Proposed Fire Service Upgrade Royal Botanic Gardens · PDF fileProposed Fire Service Upgrade Royal Botanic Gardens 1000 Ballarto Road Cranbourne VIC Fire Hydrant & Hose Reel Services

Proposed Fire Service Upgrade

Royal Botanic Gardens

1000 Ballarto Road Cranbourne VIC

Fire Hydrant & Hose Reel Services Specification

Prepared for:

Royal Botanic Gardens Board

Issue:

1 Pre-Tender Issue 11 Feb. 2015

P1 Building Permit Issue 19 Mar. 2015

P2 Updated Building Permit Issue 18 Jul. 2016

Project No:

RBG 14111

Prepared by: ____________________________________________________________________________________________________

A. Christofi & associates Pty Ltd

Suite 4, 707 Mt Alexander Road Moonee Ponds VIC 3039

Ph: (03) 9372 7411

Fax: (03) 9372 7422

E-mail: [email protected]

Web: www.christofi.com.au

mailto:[email protected]

Royal Botanic Gardens - Cranbourne Fire Services Specification Page 3

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Project: RBG 14111 Revision: P2 Building Issue Date: 18 7 2015 A. Christofi & associates Pty Ltd

TABLE OF CONTENTS

1. GENERAL 6 1.1. GENERAL ....................................................................................................... 6 1.2. DEFINITIONS .................................................................................................. 6 1.3. ABBREVIATIONS ........................................................................................... 7 1.4. RELEVANT AUTHORITIES ............................................................................ 7 1.5. CODES AND REGULATIONS ........................................................................ 7 1.6. GUIDES, HANDBOOKS & PRACTICE / TECHNICAL NOTES ...................... 8 1.7. AUTHORITY APPLICATIONS, PERMITS AND FEES ................................... 9 1.8. PRINCIPLE (HEAD) CONTRACT AND ARCHITECTS CONTRACT ............. 9 1.9. SITE VISIT ....................................................................................................... 9 1.10. MEETINGS ...................................................................................................... 9 1.11. LICENCING & REGISTRATION ..................................................................... 9 1.12. WORKMANSHIP & CERTIFICATE OF COMPLIANCE.................................. 9 1.13. OCCUPATIONAL HEALTH & SAFETY.......................................................... 9 1.14. HOARDING & BARRIERS .............................................................................. 9 1.15. PROTECTION & SAFETY WITH EXISTING SERVICES................................ 9 1.16. SAMPLES ....................................................................................................... 9 1.17. CLEANING UP ................................................................................................ 9 1.18. MATERIAL AND PRODUCT CERTIFICATION ............................................ 10

1.18.1. MATERIALS AND PRODUCTS WITHOUT CERTIFICATION......................................10 1.18.2. CONTACT WITH DRINKING WATER ..........................................................................10

1.19. EXISTING SERVICES ................................................................................... 10 1.20. PIPE LOCATING SERVICE .......................................................................... 10 1.21. CONNECTIONS TO EXISTING SERVICES ................................................. 10 1.22. SITE CONDITIONS AND ALLOWANCES .................................................... 10 1.23. TEMPORARY PLUMBING FOR SITE SHEDS ............................................. 10 1.24. COMPACTION TEST RESULTS .................................................................. 10 1.25. INSTALLATION TO BE SUB-LET ................................................................ 10 1.26. REQUESTS FOR INFORMATION ................................................................ 11 1.27. SUBSTITUTIONS AND VARIATIONS TO DESIGN ..................................... 11 1.28. DEFECTS LIABILITY PERIOD ..................................................................... 11 1.29. PREVENTATIVE MAINTENANCE PERIOD ................................................. 11 1.30. WARRANTIES .............................................................................................. 11 1.31. DANGEROUS GOODS ................................................................................. 11

2. DESCRIPTION OF SERVICES 12 2.1. SCOPE OF WORK ........................................................................................ 12 2.2. SCOPE OF WORKS - MAJOR ITEMS ......................................................... 12

2.2.1. GENERAL ......................................................................................................................12 2.2.2. COLD WATER INC. DOMESTIC COLD WATER .........................................................12 2.2.3. FIRE SERVICES ............................................................................................................13

2.3. DOCUMENTATION - SPECIFICATION, DRAWINGS, & DESIGN REPORT 13 2.4. WORK BY OTHER TRADES ........................................................................ 13

2.4.1. ASSOCIATED BUILDERS WORKS ..............................................................................13 2.5. WORKS BY WATER AUTHORITY CONTRACTORS .................................. 14 2.6. DISCREPANCIES ......................................................................................... 14

3. MATERIALS & EQUIPMENT 15 3.1. GENERAL ..................................................................................................... 15 3.2. PIPE MATERIALS ........................................................................................ 15

3.2.1. POLYVINYL CHLORIDE – PVC-O (FOR PRESSURE PIPE 100 DIA. & OVER) ........15 3.2.2. POLYETHYLENE – PE (FOR PRESSURE PIPE) ........................................................15 3.2.3. COPPER AND BRASS TUBE AND FITTINGS .............................................................16 3.2.4. GALVANISED STEEL PIPE AND FITTINGS (FOR PRESSURE PIPE) ......................16 3.2.5. DUCTILE IRON ..............................................................................................................16

3.3. EQUIVALENT PRESSURE PIPE SIZING SCHEDULE ................................ 16 3.4. EQUIPMENT GENERALLY .......................................................................... 17 3.5. EQUIPMENT SUPPLIERS & MANUFACTURERS ....................................... 17

4. TRENCH EXCAVATION AND BACKFILLING 19 4.1. GENERAL EXCAVATION REQUIREMENTS ............................................... 19 4.2. SOIL REPORT & SOIL CLASSIFICATION .................................................. 19 4.3. SETTING OUT .............................................................................................. 19 4.4. CLEARING AND GRUBBING ....................................................................... 19 4.5. TRENCH EXCAVATION ............................................................................... 19 4.6. TRENCHES PARALLEL OR NEAR FOOTINGS .......................................... 19 4.7. EXCAVATION OF ROCK .............................................................................. 20 4.8. SAFETY AT EXCAVATIONS ........................................................................ 20 4.9. DE-WATERING OF EXCAVATIONS ............................................................ 20


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4.9.1. PUMPS FOR DEWATERING ........................................................................................20 4.10. WATER CHARGED GROUND ..................................................................... 20 4.11. HAND DIGGING ............................................................................................ 20 4.12. NON-DESTRUCTIVE DIGGING .................................................................... 20 4.13. OVER-EXCAVATION OF TRENCHES ......................................................... 20 4.14. BACK FILLING OF TRENCHES ................................................................... 21

4.14.1. BACKFILL UNDER BUILDINGS, ROADS & PAVEMENTS ..........................................21 4.14.2. BACKFILL BEYOND BUILDING ENVELOPE & UNPAVED AREAS ...........................21

4.15. CLAY PLUG FOR TRENCHES ..................................................................... 21 4.16. TREE ARBORIST ......................................................................................... 21

5. INSTALLATION OF SERVICES - GENERAL 22 5.1. UNIFORMITY OF INSTALLATION ............................................................... 22 5.2. SETTING OUT .............................................................................................. 22 5.3. CAPPING & SEALING PIPING ..................................................................... 22 5.4. BREAKAGES AND DEFECTS TO MATERIALS ......................................... 22 5.5. PROXIMITY TO OTHER SERVICES ............................................................ 22 5.6. REJECTION OF INSTALLATION ................................................................. 22 5.7. ANCHORAGE BELOW GROUND ................................................................ 22

5.7.1. PRESSURE PIPE SYSTEMS ........................................................................................22 5.8. CONSTRUCTION OF THRUST BLOCKS .................................................... 23 5.9. CONCRETE AND MORTAR ......................................................................... 23 5.10. PIPING IN WALLS ........................................................................................ 23 5.11. EXISTING IN-GROUND SERVICES ............................................................. 23 5.12. EXPANSION FITTINGS ................................................................................ 23 5.13. BUILDING EXPANSION JOINTS ................................................................. 23 5.14. PROTECTION OF IN-GROUND METAL PIPING IN CORROSIVE AREAS . 23 5.15. COVERS OVER PITS, INSPECTION OPENINGS AND VALVES ................ 23 5.16. PIPE FIXING AND SUPPORTS .................................................................... 24 5.17. CO-ORDINATION WITH OTHER BUILDING SERVICES AND BUILDING ELEMENTS 25 5.18. DEPTH OF COVER OVER IN-GROUND SERVICES ................................... 25 5.19. FLEXIBLE JOINTS FOR GROUND MOVEMENT ........................................ 25 5.20. PIPES THROUGH ABOVE GROUND CONCRETE OR MASONRY ............ 25 5.21. FIRE PROTECTION OF PIPE PENETRATIONS .......................................... 26

5.21.1. METAL PIPES ...............................................................................................................26 5.21.2. NON-METAL PIPES ......................................................................................................26

5.22. CORE HOLES AND SLEEVES ..................................................................... 26 5.23. IDENTIFICATION OF SERVICES ................................................................. 26

5.23.1. PIPE AND VALVE LABELS ...........................................................................................26 5.23.2. UNDERGROUND MARKING TAPE ..............................................................................26

5.24. PIPE BEDDING AND LAYING BELOW GROUND - WATER SERVICES ... 26 5.25. PROTECTION OF WATER SUPPLIES ........................................................ 27 5.26. IN GROUND SERVICES IN CONTAMINATED AREAS - WATER SERVICES27 5.27. ISOLATION FROM DISSIMILAR METALLIC PIPES & MATERIALS - WATER SERVICES ................................................................................................................ 27 5.28. WATER CHARGED OR FILLED GROUND - WATER SERVICES .............. 27 5.29. FLEXIBLE JOINTS ON PRESSURE PIPES FOR GROUND MOVEMENT .. 27 5.30. CLEANING & FLUSHING OUT OF PIPES & EQUIPMENT ......................... 27

5.30.1. WATER FOR FLUSHING COPPER PIPING ................................................................27 5.31. COPPER PIPE – INSTALLATION & TIME OF FULL USE........................... 27 5.32. LOCATION OF VALVES............................................................................... 27 5.33. ELECTRICAL SAFETY PRECAUTIONS AND EARTHING ......................... 27

6. COLD WATER SERVICE 28 6.1. CONNECTION TO AUTHORITY WATER MAIN .......................................... 28 6.2. WATER METERS (MAIN METERS) ............................................................. 28 6.3. WATER SERVICE RETICULATION ............................................................. 28 6.4. PROTECTION OF WATER SUPPLIES ........................................................ 28 6.5. PROTECTION FROM WATER HAMMER .................................................... 28 6.6. BACKFLOW PREVENTION ASSEMBLIES ................................................. 28

6.6.1. INSTALLATION OF TESTABLE BACKFLOW PREVENTION ASSEMBLIES .............28 6.6.2. ACCESSIBILITY ............................................................................................................29

6.7. MINIMUM PRESSSURE & FLOW AT TAPWARE OR PLUMBING FIXTURES 29 6.8. MAXIMUM PRESSURE AT TAPWARE & APPLIANCES ............................ 29 6.9. REMOTE METER READERS ....................................................................... 29

7. FIRE HYDRANT AND HOSE REEL SERVICE 30 7.1. FIRE HYDRANTS ......................................................................................... 30

7.1.1. EXTERNAL FEED & ATTACK HYDRANTS .................................................................30 7.1.2. INTERNAL HYDRANTS ................................................................................................30

7.2. FIRE HYDRANT VALVES (MILLCOCK OUTLETS) ..................................... 30 7.3. POSITIONS OF FIRE FIGHTING EQUIPMENT ............................................ 30


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7.3.1. FIRE HYDRANTS ..........................................................................................................30 7.3.2. FIRE HOSE REELS .......................................................................................................30

7.4. FIRE HYDRANT PIPEWORK PROTECTION FROM DAMAGE BY FIRE .... 30 7.5. FIRE HYDRANT ISOLATING & CHECK VALVES ....................................... 31

7.5.1. ABOVE GROUND ISOLATING VALVES ......................................................................31 7.5.2. BELOW GROUND ISOLATING VALVES .....................................................................31

7.6. FIRE HOSE REELS ...................................................................................... 31 7.7. FIRE HOSE REEL CABINETS ..................................................................... 31 7.8. FIRE HOSE REEL ISOLATING VALVES ..................................................... 32 7.9. FIRE EQUIPMENT SIGNAGE ....................................................................... 32 7.10. PIPEWORK IDENTIFICATION ..................................................................... 32 7.11. REPORT UNDER REGULATION 309 .......................................................... 32 7.12. REPORT UNDER REGULATION 1003 ........................................................ 32 7.13. EXISTING FIRE SERVICES .......................................................................... 32

8. DRAWINGS, OPERATION & MAINTENANCE MANUALS AND KEYS BY CONTRACTOR 33

8.1. SHOP (FABRICATION) / CO-ORDINATION DRAWINGS ........................... 33 8.2. AS CONSTRUCTED DRAWINGS ................................................................ 33 8.3. OPERATION AND MAINTENANCE MANUALS .......................................... 33

8.3.1. SCHEDULE OF ROUTINE MAINTENANCE PROCEDURES ......................................34 8.3.2. SCHEDULE OF VALVES ..............................................................................................34

8.4. KEYS FOR VALVES & COVERS ................................................................. 34

9. INSPECTIONS 35 9.1. INSPECTIONS BY VICTORIAN BUILDING AUTHORITY............................ 35 9.2. INSPECTIONS BY INDEPENDENT PLUMBING INSPECTOR .................... 35

10. TESTING AND COMMISSIONING 36 10.1. GENERAL ..................................................................................................... 36 10.2. PRESSURE PIPES - WATER SERVICES .................................................... 36

10.2.1. PRE-PREPARATION OF THE SYSTEM ......................................................................36 10.2.2. HYDROSTATIC TEST - FIRE SERVICE AND COMMON WATER SUPPLY PIPING .36 10.2.3. HYDROSTATIC TEST - PRESSURE PIPING OTHER THAN FIRE SERVICE ...........36 10.2.4. AIR TEST .......................................................................................................................36

10.3. VALVES AND FITTINGS – TEST ................................................................. 36 10.4. BACKFLOW PREVENTION DEVICES ......................................................... 37 10.5. FIRE SERVICE COMMISSIONING / TEST ................................................... 37

10.5.1. DISPOSAL OF WATER FROM FLOW TEST ...............................................................37 11. TENDER SUBMISSION 39

11.1. TENDER FORM FOR:................................................................................... 39 11.2. ALTERNATIVE SOLUTIONS, VARIATIONS & EXCLUSIONS TO DESIGN 39 11.3. TENDER COST BREAKDOWN .................................................................... 41

11.3.1. RATES FOR LABOUR...................................................................................................43 11.3.2. RATES FOR MATERIALS .............................................................................................43

11.4. SCHEDULE OF EQUIPMENT ....................................................................... 43 11.5. INSURANCE ................................................................................................. 44 11.6. MANAGEMENT AND SITE STAFF .............................................................. 44 11.7. WORKS BY OTHERS / SUB-CONTRACTED .............................................. 44


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1. GENERAL

1.1. GENERAL All works as shown on the project Drawings and described within this Specification shall be carried out in accordance with the relevant Australian Standards, Codes, Regulations and Authority requirements.

All materials and equipment to be used on this project shall be the best of their respective kind, approved for use by the relevant authority and free from any defects.

1.2. DEFINITIONS Unless otherwise noted in the Contract, the following definitions apply and are relevant for this project's Specification, Drawings and any other instruction issued by this office:

“Allow For”. To be read as the Contractor’s responsibility to carry out specified work as if it were fully documented as supply, deliver and install in the Specification.

“Arrange for installation”. To be read as the Contractor’s responsibility to supply, deliver and install the work, all in

accordance with applicable Australian Standards, Codes of practice, the requirements of the NCC and any Authority having jurisdiction over the work, as specified.

“Authority”. Means the Relevant Authority having jurisdiction over the Installation and/or property.

"Builder". Means the Builder appointed by the Principal to undertake that role, or the Owner Builder.

“Fire Authority”. Means the Fire Authority having jurisdiction over this property.

“Local Authority”. Means the Council or Shire Office having jurisdiction over this property.

"Water Authority". Means the Water Authority having jurisdiction over this property.

“Contract”. Means the agreement between the Principal and the Contractor, which may include the Drawings and

Specification for this project prepared by A. Christofi & associates P/L.

“Contractor”. Means the Services Contractor who has an agreement to undertake the works for this project as

indicated in this Specification. Where the words “Hydraulic Contractor”, “Fire Contractor” or similar are used, these shall mean “Contractor”. Unless otherwise noted in the Contract.

“Drawings”. The current version of the services Drawings by A. Christofi & assoc P/L for this project.

“Ensure”. Means the Contractor’s responsibility to ensure that the work as documented and specified in this contract

is fully compliant, performs satisfactorily and in accordance with the intent of the design.

“Fire Services”. Means piping systems which may include fire hydrants, fire hose reels, fire sprinkler, fire drenchers

and all associated water supply piping systems and equipment as necessary and as documented under this Contract.

“Hydraulic Services”. Means plumbing systems which may include sanitary plumbing, sewer drainage, trade waste,

domestic water, gas, rainwater, common water supply, fire hydrants, fire hose reels and all associated equipment as necessary and as documented under this Contract.

“Independent Plumbing Inspector”. A Registered Plumbing Inspector carrying appropriate professional indemnity

insurance, and not associated with the Plumbing Industry Commission.

“Independent Registered Fire Tester”. A person registered with the Australian Fire Safety Practitioner’s Accreditation Board Inc. who has the authority to test piping and or equipment and provide written reports.

“Installation”. Means the proposed works installed under this Contract, and documented by A. Christofi & assoc P/L.

“Manufacturer’s Recommendations”. Means the current published recommendations from the manufacture outlining

specific instructions for the correct method/s of installation to ensure proper operation of their relevant product/s.

"May". Is intended to imply an option which will be available only at the discretion of the Superintendent.

“Office”. Means the Office of A. Christofi & associates P/L.

“Or Equal”. Refers to an alternative brand / model of a product specified on the Drawings or Specification, that has

been approved by this Office and is equal in every respect to the product specified.

“Principal”. Means the entity with which the Contractor has an agreement to undertake the works.

“Provide”. Is the Contractor’s responsibility to supply, deliver, install and warrant the work, all in accordance with

applicable Australian Standards, Codes of practice, the requirements of the NCC and any authority having jurisdiction over the work, as specified.

“Engineer”. A person who possesses the required qualifications and is registered with the Building Practitioners

Board as a Registered Building Practitioner in the category of Engineer. This can include Mechanical, Structural, Civil, Electrical, Fire, Geotechnical and Acoustic.

“Registered Plumbing Inspector”. Person who is licenced with the Plumbing Industry Commission and carries out professional plumbing inspection services and provided written reports.

“Relevant Building Surveyor”. Person who is registered with the Building Practitioners Board as a Building Surveyor

and who has been commissioned by the principle to undertake Building Surveying duties for this project.


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"Replace". Means de-commission, disconnect, make safe and remove from site existing equipment without damage

or impairment of any remaining systems or equipment. Then Provide new equipment to the existing and fully compatible with remaining systems or services.

"Should". Is advisory and means that the referenced item is a preferred option.

“Specification”. The current version of this Specification by A. Christofi & assoc P/L.

“Superintendent”. Means the person appointed by the Principal to undertake that role. Where “Engineer”,

“Consulting Engineer”, “Construction Manager”, “Project Manager” or similar are used, these shall mean “Superintendent” unless otherwise noted in the Contract.

1.3. ABBREVIATIONS AS/NZS Australian & New Zealand Standard

NCC National Construction Code (formerly BCA, Building Code of Australia)

C Celsius

CCTV Closed circuit television

CFA Country Fire Authority

Dia. Diameter

DN Diameter nominal

EPA Environment Protection Authority

Fc Concrete strength

FRL Fire resistance level

HDPE High density polyethylene

KN Kilo Newtons

KW Kilowatts

kPa Kilopascals.

m meter.

mm Millimetre

PN Pressure nominal rating

PVC Polyvinyl chloride

PVC-O Polyvinyl chloride, by-axially orientated

PE Polyethylene

PE-X Crossed linked polyethylene

1.4. RELEVANT AUTHORITIES The whole of the work shall be carried out in accordance with the relevant Authorities having jurisdiction over the work, which shall include but not be limited to the following:

South East Water,

Country Fire Authority,

Victorian Building Authority (Formerly Building Commission & Plumbing Commission),

Controlling City Council,

VicRoads

Energy Safe Victoria,

Environmental Protection Authority,

WorkSafe Victoria,

The Relevant Building Surveyor

Liaise and co-ordinate with all relevant Authorities to Ensure compliance with their requirements.

1.5. CODES AND REGULATIONS The entire Installation including materials, fittings, equipment, testing, methods, workmanship and other components shall be carried out in accordance with the relevant Standards and Regulations, including applicable amendments or replacements, having jurisdiction over the work, which shall include but not be limited to the following:

AS 1074: Galvanised Steel Pipes & Fittings,

AS/NZS 1200: Pressure Equipment,

AS/NZS 1221: Fire Hose Reels,

AS 1271: Safety Valves and other valves for Boilers,

AS 1345: Identification of Contents of Piping, Conduits & Ducts,

AS 1379: Specification and Supply of Concrete,

AS 1428: Design for Access & Mobility,

AS 1432: Copper Tubes for Water, Gas and Sanitation,

AS 1478: Chemical Admixtures for Concrete, mortar and Grout,

AS/NZS 1477: PVC Pipes & Fittings for Pressure Applications,

AS 1646: Elastomeric seals for water works purposes,


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AS 1910: Water Supply – Float Control Valves,

AS 2032 Installation of PVC Pipe Systems,

AS 2033 Installation of Polyethylene Pipe Systems,

AS 2118: Automatic Fire Sprinkler Systems,

AS 2129: Flanges for Pipes, Valves & Fittings,

AS/NZS 2280: Ductile Iron Pressure Pipes & Fittings,

AS 2304: Water Storage Tanks for Fire Protection Systems,

AS 2419 Part 1 to 3: Fire Hydrant Installations,

AS 2441 Installations of Fire Hose Reels (Inc. Amendments No 1) ,

AS 2566 Plastics Pipe Laying Design,

AS 2638: Gate Valve for Water works Purposes – Metal & Resilient Seated,

AS/NZS 2648: Underground Marking Tape,

AS 2845: Water Supply Backflow Prevention Devices,

AS/NZS 2865: Safe Working in a Confined Space,

AS 2870: Residential Slabs & Footings,

AS 2941: Fixed Fire Protection Installations – Pump-set Systems,

AS/NZS 3500 Part 0: Glossary of Terms,

AS/NZS 3500 Part 1: Water Supply (Inc. Amendments No 1 & No. 2),

AS/NZS 3500 Part 2: Sanitary Plumbing & Drainage (Inc. Amendments No 1 to No 4),

AS/NZS 3500 Part 3: Stormwater Drainage (Inc. Amendments No 1 & No 2),

AS/NZS 3500 Part 4: Hot Water Supply (Inc. Amendments No 1 & No 2),

AS/NZS 3500 Part 5: Domestic Installations (Inc. Amendments No 1 to No 4),

AS 3600: Concrete Structures,

AS/NZS 3666: Air Handling & Water Systems of Buildings -Microbial Control,

AS 3688: Copper and Copper Alloy Fittings,

AS/NZS 3718: Water Supply – Tapware,

AS 3795: Copper Alloy Pipes,

AS/NZS 3879: Solvent Cements & Priming Fluids for Use with uPVC Pipes & Fittings,

AS 3996: Access Covers & Grates,

AS/NZS 4020: Testing of Products for Use with Drinking Water,

AS 4032: Water Supply – Valves for the Control of Hot Water Supply Temperatures,

AS 4087: Metallic Flanges for Waterworks,

AS/NZS 4129: Fittings for Polyethylene (PE) Pipes for Pressure Applications,

AS/NZS 4130: Polyethylene (PE) Pipes for Pressure Applications,

AS/NZS 4331: Metallic Flanges,

AS/NZS 4401: Plastic Piping Systems for Soil and Waste Discharge Inside Buildings – Polyethylene,

AS/NZS 4441: Oriented PVC (PVC-O) for Pressure Applications,

AS 4794: Non-return Valves for Waterworks Purposes – Swing Check & Tilting disc,

AS 4795: Butterfly Valves for Waterworks Purposes,

AS 4809 Copper Pipe and Fittings – Installation and Commissioning,

AS/NZS 4999 (int): PVC-U Maintenance Shafts,

AS 5200: Technical Specification for Plumbing & Drainage Products,

AS 5601 (formerly AG 601) Gas Installations,

All other publications relevant to the Installation available from the Standards Association of Australia,

National Construction Code (NCC) Volumes 1 & 2,

National Construction Code (NCC) Volume 3 (Plumbing Code of Australia),

Building Regulations SR 68,

Plumbing Regulations SR No 136,

Gas Safety (Gas installation) Regulations,

Health (Legionella) Regulations,

Occupational Health & Safety Act including applicable Regulations and Codes,

All publications referred to shall be the latest issue & revision at the time of tender submission and include all Amendments where applicable.

1.6. GUIDES, HANDBOOKS & PRACTICE / TECHNICAL NOTES

Water Metering & Servicing Guidelines by South East Water, Yarra Valley Water & City West Water,

Installation of Rainwater & Greywater Systems in Australia,

Building Commission, Practice Notes,

Victorian Building Authority (Formerly Plumbing Industry Commission) Technical Solutions notes.


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Energy Safe Victoria, Gas Information Sheets,

All publications referred to shall be the latest issue & revision at the time of tender submission and include all amendments where applicable.

1.7. AUTHORITY APPLICATIONS, PERMITS AND FEES Liaise with all relevant Authorities to procure all necessary permits for the Installation and pay all fees and charges in connection with the work in a timely manner. Authority fees and charges are all works relating to connection of Authority assets as indicated on the Drawings. These shall include costs for the installation of water main branches to serve the property, water meter costs, and administration charges.

1.8. PRINCIPLE (HEAD) CONTRACT AND ARCHITECTS CONTRACT This Specifications & Drawings shall be read in conjunction with the Principle (Head) Contract. All conditions and requirements over and above this Specifications & Drawings shall be allowed for and implemented in the Installation.

1.9. SITE VISIT Thoroughly inspect the site prior to tendering and take into account any conditions likely to affect the performance or extent of the Contract. Where appropriate, remove covers concealing in-ground existing services to confirm size, depth, material type and condition. Where appropriate and allowed by the building owner/operator inspect existing services within false ceiling spaces, roof spaces and sub-floor spaces.

1.10. MEETINGS Attend all meetings to co-ordinate services with other building trades and as requested by the Superintendent.

1.11. LICENCING & REGISTRATION Contractors engaged in plumbing work on this project must be licensed to carry out plumbing work in accordance with the Plumbing Regulations S.R. No 136 in the appropriate class of work carried out.

1.12. WORKMANSHIP & CERTIFICATE OF COMPLIANCE All work shall be installed by first class tradespersons holding an Authority approved licence to perform the work and who are familiar and experienced with the proposed work. Installation shall be made with best plumbing practice and workmanship.

A Certificate of Compliance in accordance with the Plumbing Industry Commission requirements shall be issued to the consumer, or Building Surveyor where appointed, within 5 days of completion of the installation. All work subject to a Compliance Certificate shall carry insurance to protect the consumer against defective workmanship for a period of six years.

1.13. OCCUPATIONAL HEALTH & SAFETY All work to be installed in accordance with the Worksafe Victoria & the Occupational Health & Safety Act and applicable Regulations & Codes.

Carry out the work in a safe, secure and tidy manner. Provide, erect and maintain for the duration of the project, warning signs, temporary fences, barriers and night lights adjacent to any works including excavations and stacks of materials, which would be a danger to persons or traffic of any kind as required by the Regulations and the Superintendent.

1.14. HOARDING & BARRIERS Provide temporary hoarding, barriers, signage and temporary protection for buildings around the work site as required.

1.15. PROTECTION & SAFETY WITH EXISTING SERVICES Care must be taken to protect & avoid existing services, structures and works in and around the site and adjoining streets.

Prior to any trench excavation, obtain knowledge of all in-ground structures, authority services, private services, and other potential in-ground hindrances, which may be encountered when carrying out the works. Any existing services shown on the Drawings are indicative only and are not accurate. Reinstatement to damaged services shall be performed immediately and without increase to the Contract sum. The Principal shall be indemnified from all claims arising from any such damage.

1.16. SAMPLES

Samples to be provided to the Superintendent and / or Architect for approval prior to Installation shall include:

Valves covers and valve boxes,

Fire hydrants,

Fire hose reels,

Fire service cabinets where provided under this Contract,

1.17. CLEANING UP On completion of the Installation, clean up all items relating to the Installation and carry off site all surplus materials and debris arising from this Contract to the satisfaction of the superintendent.


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1.18. MATERIAL AND PRODUCT CERTIFICATION Every part of the installation must be installed in an appropriate manner to achieve the requirements of the Plumbing Code of Australia (PCA) using materials and products that are fit for purpose for which they are intended.

Materials and products listed in Table A2.1 of the PCA, which are used in the Installation must be certified and authorised.

Product Certification and authorisation must meet the certification & authorisation procedures set out in Part G of the PCA.

Evidence to support that the use of a material, product or Installation shall be in the form of a current Certification Mark issued in accordance of Part G of the PCA.

A current list of material and products available at www.abcb.gov.au (Schedule of Specifications). Only materials and products on this list which are marked in accordance with the WaterMark Certification Scheme are recognised as being authorised for use in the Installation. Watermark labelling must be permanent and clearly visible on all required materials and products.

1.18.1. MATERIALS AND PRODUCTS WITHOUT CERTIFICATION

Where materials and/or products have been specified which do not have a Certification Mark, it is the responsibility of this Contractor to make all appropriate applications to the Plumbing Commission for a ‘one-off’ approval, pay all required fees and procure all required approvals prior to installation of products.

1.18.2. CONTACT WITH DRINKING WATER

All materials and products, including linings and coatings, in contact with drinking water and / or rainwater shall comply with AS/NZS 4020 and be certified and authorised in accordance with the Plumbing Code of Australia.

1.19. EXISTING SERVICES The Drawings do not purport to show all existing services, whether within or external to the property. It is the responsibility of this Contractor to obtain details of all existing services relevant to the project to avoid services clashes. Confirm size and prove on site, location and depth of all relevant existing services prior to commencing any work.

Obtain details of all relevant existing underground services, as necessary, which shall include information from:

Visual on site inspection,

Exploratory hand digging,

‘Melbourne One Call service, phone 1100,

Directly from Controlling Authorities which own or control services in the area of the proposed works,

Property services plans – Sewer,

The owner or operator of the property and

Where required, a Professional Pipe & Cable Locator, engaged and paid under this Contract.

The Contract sum shall be deemed to INCLUDE the cost of dealing with existing services, as above, which the existence of May, or MAY NOT be indicated on the Drawings or provided on any other information available from the relevant Authority or client.

Where the presence of unknown existing services is likely to have a significant impact on the Tender price, the Contractor has the ability to clearly outline a provisional sum in the Tender for this anticipated cost.

1.20. PIPE LOCATING SERVICE Where indicated on the Drawings, allow in Tender and engage the service of a Professional Pipe & Cable Locating service to accurately locate & mark on site all existing in-ground services as necessary to avoid damage during excavation.

1.21. CONNECTIONS TO EXISTING SERVICES Pipe connections to existing services, whether Authority of privately owned, shall be proved on site prior to ordering any materials and commencement of any works. This shall include new branch connections and abandonment of existing branch connections. Where work is required to Authority owned assets, it is the contractor's responsibility to liaise and co-ordinate this work with the Authority, and or Authority's approved contractor carrying out the work.

1.22. SITE CONDITIONS AND ALLOWANCES Not part of this Specification. Refer to the main Contract.

1.23. TEMPORARY PLUMBING FOR SITE SHEDS Any temporary plumbing work shall be carried out by a licensed plumbing practitioner and a Certificate of Compliance shall be issued. Use approved plumbing fixtures, materials & pipe joining methods. Securely fix above ground drains / waste pipes ad protect from construction damage. Water supply shall be from a safe potable water source only and have no cross connections.

1.24. COMPACTION TEST RESULTS Compaction test results shall be supplied by the Contractor in written & certified format. The tests shall be carried out by an independent certified NATA testing company. All test results shall be in accordance with the relevant Australian Standard.

1.25. INSTALLATION TO BE SUB-LET Any Installation for this project, which is sub-let by the Contractor shall be carried out strictly in accordance with the Drawings & Specification and the main Contract with the Principle.


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1.26. REQUESTS FOR INFORMATION Where queries on the design and documentation arise, the Contractor is expected to formally issue Requests for Information to the Superintendant seeking advice. Incorrect installations due to assumptions made by the Contractor for circumstances where Requests for Information are applicable and could have been issued prior to the installation will not be accepted.

1.27. SUBSTITUTIONS AND VARIATIONS TO DESIGN Any proposed substitutions of piping, fittings, equipment and any proposed variations to the design as indicated on the Drawings & Specifications to be notified to this Office with a Request for Information (RFI) via the Architect / Superintendant for consideration.

Approval for substitutions and variations to the design shall only be given with specific written instructions from the Superintendent in consultation with this Office.

1.28. DEFECTS LIABILITY PERIOD Provide a twelve (calendar) months Defects Liability period for all works carried out, from date of Practical Completion at no additional cost to the project beginning at the date of Practical Completion. The Defects Liability Period shall apply to all materials and items of equipment relating to the Installation.

Rectify all defects arising under proper use of the Installation throughout the duration of the Defects Liability Period at no additional cost. Carry out additional tests and/or Authority approvals for any required replacement of pipelines, fittings, and/or equipment.

Provide reports to the Superintendant as required detailing call-out information which shall include date, purpose of visit, duration, rectification work & result.

At the completion of the Defect Liability Period, carry out a final inspection with the Superintendant.

1.29. PREVENTATIVE MAINTENANCE PERIOD Breakdown maintenance for the Installation of this Contract shall be performed during the whole of the twelve (calendar) months Defects Liability Period at no additional cost to the project.

Preventative maintenance shall include:

Regular maintenance visits by qualified plumber.

Instructions to building occupants as required for operation of Installation.

Responding to breakdown calls in a timely manner.

Replacement of components of the Installation as required or where they show undue wear.

Clearing filters as required.

Adjustments to fittings & equipment as required for proper operation.

Where a major defect is present or unsatisfactory operation is evident, the Preventative Maintenance period shall be extended until such time as that particular item has operated to the satisfaction of the Superintendant for a period of one (calendar) month.

1.30. WARRANTIES All works completed under this Contract shall be warranted against defective workmanship, equipment, materials, fittings and against non-compliance of equipment or systems with specified performance of operation as specified by these documents.

Obtain warranties for all items of equipment provided from suppliers or sub-Contractors for the works. Where the manufacturers of items of equipment give standard warranty periods in excess of the Defects Liability Period assign such warranties to the Principal prior to Final completion.

1.31. DANGEROUS GOODS These documents DO NOT incorporate additional fire fighting equipment to adhere to the Dangerous Goods Act (Storage & Handling). If dangerous goods are to be stored on the premises, the owner / occupier will require to consult the Dangerous Goods (Storage & Handling) Regulations and relevant Fire Authority to install additional fire fighting equipment and other provisions as necessary.


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2. DESCRIPTION OF SERVICES

2.1. SCOPE OF WORK The Installation specified in this section shall include all labour, materials, supply and fixing of all necessary equipment and components for the complete Installation as shown on the Drawings and Specification.

The Installation provides for the supply, installation, testing, commissioning and maintenance of services.

Include, for the provision of all, cartage, freight, tools, plant, appliances and all other works necessary though not specifically mentioned, to the true intent and meaning of this Specification and the accompanying Drawings, to the entire satisfaction of the Superintendent.

2.2. SCOPE OF WORKS - MAJOR ITEMS The Installation shall include but not be limited to the following major items:

2.2.1. GENERAL

Provisional sum of $7,000.00 (gst not applicable) for South East Water fees and charges,

Procurement of all relevant Authority permits and payment of all related fees and charges,

Payment of all charges for insurance and storage,

Arrange, manage & liaise required works to Authority assets with Water Authority,

Provide traffic management services as required,

Excavations to expose mains for works by Water Authority approved Contractors,

Investigations identifying location and condition of existing services,

Professional pipe locating services,

Excavations for pipe trenches & pits, backfilling and compaction,

Boring under roads / pavements as required,

De-watering of trenches, excavations and low areas of the site as required for the installation of works,

Insulation of piping systems,

Supply & utilisation of safety equipment necessary to carry out the works,

Supply and installation of pipe sleeves to form penetrations for pipework,

Penetrations through structure for the passage of proposed services under this Contract,

Removal of building surfaces for the installation of above ground pipe and fittings,

Repair / reinstatement of existing services, where damaged by this Contractor,

Provide samples to the Superintendent for approval,

Abandonment of redundant existing services including cut & seal at point of origin,

Diversion of existing services,

Identification of services including trench marking tape and pipe & valve labels,

Flushing of pressure piping system,

Testing of entire Installation,

Installation inspections by Independent Plumbing Inspector (additional to Victorian Building Authority Inspections),

Commissioning of equipment and issue of reports,

Play an active role in co-ordination of services on site to avoid clashes.

As Constructed drawings and Operation & Maintenance Manuals,

Provide the building owner/occupier keys for operation of equipment such as valves, access covers at floor level etc.

Twelve months defects liability period for the works carried out for this project,

2.2.2. COLD WATER INC. DOMESTIC COLD WATER

Arrange, manage & liaise required works to Authority water assets with Water Authority and Water Authority approved Contractors,

Water connection to existing cold water pipe system on property,

Common water supply into property,

Main meter/s and isolation valve/s assemblies,

Check meter assemblies,

Test & reconnect backflow prevention valve assemblies,

Isolating valves and other necessary valves and fittings,

Testing & servicing or replacement of existing valves,


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2.2.3. FIRE SERVICES

Fire hydrant reticulation service,

Fire hydrant equipment,

Provision for future fire booster assembly,

Bollards for fire hydrants,

Signage for Fire services,

Isolating valves and other necessary valves and fittings,

Testing & servicing or replacement of existing valves,

Pressure & flow test and hydrostatic test of fire service system complete with Report by an Independent Registered Fire Tester,

Installation of dual check valves to fire hose reels

2.3. DOCUMENTATION - SPECIFICATION, DRAWINGS, & DESIGN REPORT The documents outlined below form the main components of this Contract for the Installation:

Document (A4) Title Job No / Reference

Fire Services Specification

Design Report for Fire Hydrants & Hose Reels

RBG 14111

RBG 14111

Drawing Title Drawing No.

General notes, materials and locality plan RBG 14111 – F1

Part site plan -Sheet A RBG 14111 – F2

Part site plan -Sheet B

Visitors Centre layout & details

RBG 14111 – F3

RBG 14111 – F4

The layout of piping and equipment as shown on the Drawings is diagrammatic only and is not to be scaled. The Drawings do not purport to show every or any pipe bend, fitting, expansion joint, inspection opening, junction, pipe offset or other items necessary for the complete installation and proper operation of the system. Allow to Provide and install all such items including fixings, terminations, connections and compliance with all controlling Authorities. Allow For all offsets and other measures as necessary to avoid clashes with other building services, structure or building elements.

All required piping, fittings, valves, drains and other items to be included for the proper operation and maintenance of the plumbing system.

Where the requirements of the Drawings differ from this Specification, the greater amount of work shall apply.

Where any item is not documented in this Specification or Drawings, but is required by the Water Authority or Regulations, the contractor shall Provide such item as part of the work for this Contract.

Set out all services to suit actual on-site dimensions as shown on the architectural and other drawings. Obtain measurements and other information necessary to carry out the Works. Figured dimensions documented shall take precedence over measurements scaled over the Drawings.

All existing services shown on Drawings are indicative only, are not accurate and have been derived from record drawings available at the time of design.

These Drawings shall be read in conjunction with all other relevant Architectural and other consultant’s Drawings and Specifications, and with such other written instructions as may be issued during the course of the Contract.

Liaise with all relevant Contractors on the project to co-ordinate services and establish final levels for construction.

Where Drawings specify equipment or fittings which cannot be obtained, then details of alternatives shall be submitted to the superintendent for approval.

2.4. WORK BY OTHER TRADES Detailed below are items interfacing with the proposed Installation that are to be supplied and installed by other building trades. Liaise and co-ordinate with other building trades as required ensuring the proper operation and completeness of the Installation.

2.4.1. ASSOCIATED BUILDERS WORKS

Saw-cutting & reinstatement to ground surfaces for the installation of services trenches, which shall include works to floors, pavements, road surfaces in asphalt, concrete & other materials.

Provide temporary and permanent stormwater drainage provisions to the site during all stages of construction. All drainage to comply with the requirements of the Environment Protection Authority,


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Deepening of footings to a founding depth approved by the Structural Engineer, where they are in close proximity or adjacent to services trenches. This includes services trenches which may be present on adjacent properties and redundant services trenches from previous building/s on this site.

Protective crash rails or bollards for services which are likely to be damaged by vehicles,

All cuttings, patchings, framing up & making good of building surfaces for the passage of services piping.

Fire Authority required signage to fire equipment,

Main valve & meter wire mesh enclosure or bollards at property boundary,

Removal of redundant plumbing, fire service piping from site,

Apply for and pay all associated costs to obtain a Regulation 1003 Report from the CFA for the fire service system.

2.5. WORKS BY WATER AUTHORITY CONTRACTORS Works to Authority assets shall only be carried out by Licenced Contractors who are approved with the relevant Water Authority to work on their assets.

This Contract shall include to arrange, appoint, manage and liaise with the Water Authority approved contactor for the following works:

Installation of water supply branch on water main for connection of water services,

Removal of existing water supply branch / branches which shall be redundant,

All fees and charges for work carried out by Authority approved Contractors shall be part of this Contract.

All excavation works to expose pipes for works by approved Contractors are part of this Contact.

2.6. DISCREPANCIES Any discrepancies or omissions found in the Drawings and Specification during the Tender period shall be immediately reported to the Contracts Officer for clarification by this Office.

Discrepancies or omissions found during the construction period shall be reported via a Request For Information to the Superintendent before the commencement of any work; claims of redundant work as a result of failing to do so shall not be considered valid.


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3. MATERIALS & EQUIPMENT

3.1. GENERAL All materials, equipment & all necessary components shall be first quality, purchased new and of current manufacture. Components used during temporary installations such as site sheds and submersible pumps shall not be re-used for the Installation.

Where the Contractor believes any material, equipment or other component in the Drawings or Specification is not appropriate for the Installation, he is to notify the Project Manager and make allowances in his Tender Submission.

Variations to the selected materials & equipment on the Drawings shall generally not be accepted unless specific written approval has been given by the Superintendent in consultation with this Office.

3.2. PIPE MATERIALS All fittings, components, jointing methods, flanges, sockets and solder / welds used with materials shall be compatible in every way. All materials used in the Installation shall be selected to Ensure they are fit for their intended purpose.

All pipe materials in the Installation, which are listed in the Plumbing Code of Australia Table A2.1, must have a certification mark and be listed on the Watermark Product Database. All other materials, which are not listed must be tested, stamped and performance suitable for the application.

Selection of materials & fittings shall suit their application. Contractor shall ensure the pipe material selection and fitting methods are within the limits of the use that the material can withstand as recommended by the manufacturer including the manufacturer’s recommended pressure range limits.

Refer to the Materials Schedule on the Drawings for the SELECTION of materials to be used for this project.

Materials shall adhere to the Specifications as following:

3.2.1. POLYVINYL CHLORIDE – PVC-O (FOR PRESSURE PIPE 100 DIA. & OVER)

Polyvinyl chloride (PVC-O) pressure pipes shall be Series 2 (ductile iron compatible) and manufactured to AS/NZS 4441. Use Iplex PVC-O ApolloBLUE PN 16 Or Equal pressure pipe for installations 100mm and over. Allowable working pressure for pipe and fittings shall be PN 16.

In ground pipe lengths to be spigot & socket type with Iplex Or Equal BLUEseal rubber ring joint system.

Fittings shall be Crevet (Iplex) Or Equal ductile iron fittings (series 2) complying to AS \NZS 2280 with Crevet Griptite rubber ring sockets (series 2) for in-ground installations or table E flange joints for above ground installation – all with allowable working pressure of 16 rated (min).

Use Iplex Plus bactericidal jointing fluid Or Equal with all ApolloBLUE pipes and ductile iron rubber ring sockets. Allow For expansion and contraction as recommended by manufacturer.

Provide concrete thrust blocks of required size and configuration to prevent movement to pipe system including pipe and all pipe fittings as noted in this Specification and as recommended by the manufacturer. Engage the services of a suitably qualified Engineer, where required, to design the thrust blocks.

Do not install this pipe system in areas where extreme movement is expected from highly reactive soil or soil in problem sites.

Where in-ground pipes are laid in areas without a paving over, Ensure there is adequate cover of 750mm over the pipe to provide support – all as required by pipe manufacturer.

This pipe system shall not be laid in ground in areas contaminated with chemicals deleterious to PVC, including organic solvents.

3.2.2. POLYETHYLENE – PE (FOR PRESSURE PIPE)

Polyethylene (PE) pipe shall be manufactured to AS/NZS 4130, with fittings manufactured to AS/NZS 4129.

Use Iplex or Equal Poliplex PE pipe & fittings using PE 100 resin. Standard Dimension Ratio shall be SDR 11.

All fittings on the pipe system shall be Iplex or Equal ELGEF PE 100, SDR 11.

Allowable working pressure rating for pipes and fittings shall be PN 16.

Fire service and water service systems of 63mm size (50mm nominal) & over shall have pipes and fittings joined using Iplex electrofusion welding or butt welded method.

Persons carrying out connections must be competent, trained persons and certified by a Registered Training Organisation and welding procedures must be in accordance with PIPA Industry Guidelines POP001.

Ensure the welding process is carried out strictly in accordance with the manufacturer’s recommendations. These shall include instructions for cutting pipes, cleaning pipe ends, scraping pipe ends, max. ovality of pipe ends, clamping pipe for welding, welding, cooling and prevention of contamination. Butt-fusion welds shall be smooth and without protrusions to the internal walls which would have an effect on pressure & flow performance.

The contactor is responsible obtaining all required tools for the welding / joining process. Any defective joints / welds shall be replaced and re-tested.

Use straight pipe lengths without joins, bends, tees, etc. Where possible for pipes located under a building.


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Domestic water systems up to 50mm (40mm nominal) shall have pipes and fittings joined using Iplex or Equal Poly16 Plus Compression Fittings (screwed) with PN 16 minimum working pressure.

Pipes and fittings for domestic water shall not be used as part of a water meter assembly or vertical riser. Pipes and fitting shall not be used within 1m of a water heater and shall not be used where subjected to direct sunlight.

Minimum cover over top of buried pipe as per manufacturer’s requirements. Piping shall not be used in external above ground positions. Provide suitable thrust blocks where PE pipe joins to other materials with rubber ring fittings.

3.2.3. COPPER AND BRASS TUBE AND FITTINGS

Copper tubing shall be MM Kembla or equal seamless solid drawn and shall comply with AS 1432, Copper Tubes for Water, Gas and Sanitation.

Brass tubing shall be MM Kembla DR Brass or equal manufactured from an inhibited brass alloy, which is virtually immune to dezincification.

Brass & copper fittings shall be MM Kembla or equal.

All copper & brass tube & fittings shall be no less than Type B grade as defined in AS 1432.

Copper & brass tube shall be jointed throughout by brazing or press-fit joint system using purpose made joints and fittings which have been factory made and tested. Hand-made fittings shall not be used.

Silver brazing alloys and copper-phosphorus brazing alloys for capillary jointing of copper and copper alloy pipes and fittings shall comply with AS 1167.4 and contain a minimum of 1.8% silver & a maximum of 0.05% cadmium.

Soft solder shall not be used in the jointing of copper pipe or copper alloy pipes and fittings.

Press-fit jointing system shall be Veiga Propress or equal, which shall include double press-fit joints and Visible Test Safety to joints for visible leakage (or pressure drop for gas joints) to un-pressed joints. Purpose made fittings shall be used for water and gas pipe systems.

Copper fittings for use with copper and brass tube shall be in accordance with the relevant dimensions profile and material specified in AS 1432, AS 1585 or AS 1645 as appropriate.

3.2.4. GALVANISED STEEL PIPE AND FITTINGS (FOR PRESSURE PIPE)

Galvanised steel pipes and fittings shall be Dixon or Equal ActiveFire approved hot dipped roll grooved and BSP threaded complying with AS 1074, AS 1579, AS 1769, AS 1722 & ASTM A135-01.

Each straight length of pipe shall be marked permanently throughout its length at intervals not exceeding 1m and a minimum height of 10mm as per AS 2419.1.

Steel pipe in accordance with AS 1074 shall be:

Heavy pipe in sizes up to and including 80mm and

Medium pipe in sizes above 80mm.

Pipe joints 40mm and over shall be roll groove type using Dixon or Equal Rigid Galvanised roll grooved couplings (victaulic type). Use Dixon or Equal Flexible Galvanised roll grooved fittings where required for expansion / movement. Grooves shall not be cut into pipes. Use purpose made Dixon approved roll grooving machines. Steel pipe fittings shall be dimensionally compatible with the pipe in accordance with AS 1074 & ASTM A135.

Pipe joints under 40mm shall be Dixon or Equal screwed fittings.

Minimum working pressure for galvanised steel pipe system including all pipe, fittings & couplings shall be 2000 kPa.

Where fittings or couplings in galvanised steel pipe are used below ground for individual fire hydrant risers or short pieces not exceeding 1.5m in length, the entire joint containing the fitting or coupling shall be double wrapped with a petrolatum type tape system.

All steel pipes shall be galvanised internally, externally, and at their ends in accordance with AS/NZS 4792. The galvanised coating shall have a minimum zinc-coated mass of 300 g/m2.

Welding of any fittings to galvanised pipe shall not be carried out.

Any disturbance of the protective coating by cutting, roll grooving or handling shall be repaired with a zinc-rich primer or equivalent in accordance with AS/NZS 4792.

Fire hydrant and hose reels pipework shall be painted or labelled in accordance with AS 1345.

Galvanised steel piping shall not be used for the domestic (potable) cold water system.

Light steel galvanised pipe shall not be used.

3.2.5. DUCTILE IRON

Ductile iron pipes and fittings shall be Iplex or Equal Irontite complying with AS/NZS 2280, AS 1646 & ISO 16132.

Allowable working pressure rating for pipe shall be PN 35 (standard issue).

External coating of pipe shall be metallic zinc with a 2 part epoxy resin pain as finished layer. Internal lining shall be cement mortar applied by a centrifugal process and finished with a seal coating.

Ductile iron fittings for above ground applications shall be Crevet (Iplex) flanged type, table E with an allowable operating pressure of PN 16. Protected from corrosion shall be by a thermal bonded polymeric coating both inside and outside.

3.3. EQUIVALENT PRESSURE PIPE SIZING SCHEDULE Pipe sizes shown on Drawings are nominal bore only and are NOT manufacturer’s marked sizes. All pipe sizes to be installed in accordance with the following schedule:


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Acceptable Manufacturer's Equivalent Pipe Size, mm dia.

Nominal size, mm, specified

on Drawings

DN

Pressure Pipe Gravity Pipe

Copper Type B

Galvanised Steel

Ductile Iron

PVC-O PN16

PE (SDR11) and PE-X

PVC-U DWV

HDPE

15 18 20 25 32 40 50 65 80

100 150

15 18 20 25 32 40 50 65 80

100 150

- - -

25 32 40 50 65 80

100 150

- - - - - - - - -

100 150

- - - - - - - - -

100 150

16 20 25 32 40

50(PE) 63(PE) 90(PE)

110(PE) 125(PE) 180(PE)

- - -

25 32 40 50 65 80

100 150

- - - - -

50 56 75 90

110 160

DN Nominal Size

NOTE: Refer to appropriate Standards for pipe Class and equivalent material dimensions

3.4. EQUIPMENT GENERALLY Warranties for all equipment shall be 12 months from the time of installation not the time of delivery to the site.

Equipment shall be installed in strict accordance with the manufacturer's installation instructions and guidelines.

Equipment shall be purpose made, factory assembled and fully tested prior to delivery on site.

3.5. EQUIPMENT SUPPLIERS & MANUFACTURERS

Selection of equipment, Or Equal, as per the Schedule below:

Item Supplier /

Manufacturer Model Description / Comments

Gate & sluice valves 80 dia. +

Dura Resilient seated gate & sluice valve

Ductile iron, PN 16 rated, resilient seated with EPDM encapsulated wedge. Sluice valves shall be clockwise close, and to the approval of the local Fire brigade.

Coat with thermal bonded polymeric coating internally & externally to AS 4158.

Butterfly valves, (gear operated) 80 dia. +

Dura Cast iron body, stainless steel shaft & disc, PN 16 rated, EDPM liner & gear operated with wheel (clockwise close). Epoxy coated.

Check valves 80 dia. +

LWG Zurn Check valve (Single detector without by-pass)

Ductile iron, PN 16 rated (min). Check valve to be straight through flow path, resilient seated and supplied coated with thermal bonded polymeric coating internally & externally to AS 4158. Check valve to be coloured red.

Detector check valves 100 dia.+

LWG Zurn Detector check valve, single

Testable device to AS 2845.1. Ductile iron, PN 16 rated (min). Isolating valves (resilient seated) shall be provided on each side of the check valve. Provide a 25mm (nominal, UNO on drawings) by-pass pipe complete with isolating valves, testing port and water meter.

Check valve to be straight through flow path, resilient seated and supplied coated with thermal bonded polymeric coating internally & externally to AS 4158. Check valve to be coloured red.

Once installed, the check valve shall be tested by a licensed and endorsed backflow prevention tester. Registration form and test report submit to the relevant Water Authority.

Gate valves up to 50 dia.

CIMberio CIM 70BSCR PN 20. Brass body, bonnet, wedge & stem ring. Aluminium alloy handle.


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Ball valves up to 50 dia.

CIMberio CIM 312CR butterfly handle CIM 11CR lever handle

PN 32. Brass body, ball, cap & stem.

Fire hydrants Kline Fire Refer Drawings Assembly to include hydrant riser, hydrant valve, bull head tee and couplings. Hose connection fittings shall be selected and installed to suit the controlling Fire Brigade.

Fire hose reels Kline Fire Refer Drawings Assembly to include reel, hose, brackets, valves, nozzle, guide arm, and mounting stands where applicable. Purchase as an assembled package.

Fire boosters Kline Fire Refer Drawings Assembly to include risers, valves, couplings. Purchase as an assembled package.

Fire booster head fittings

Dobbie Dico Refer Drawings

Fire service cabinets

Kline Fire Refer Drawings Metal cabinets including doors, cabinet feet, door locks etc. shall be purchased as an assembled package.

Fire hydrant accessories

Kline Fire Includes lockouts, caps / chains and adaptors

Backflow preventors: Dual check

LWG Zurn Wilkins 700 For sizes 15 to 40mm (non-testable)

Backflow preventors: Double check

LWG Zurn Wilkins 350 Testable device. Installed as package complete with isolating valves and strainer. Refer drawings for assembly details.

Backflow preventors: RPZD

LWG Zurn Wilkins 375 Testable device. Installed as package complete with isolating valves and strainer. Refer drawings for assembly details.

Underground marking tape

LWG Zurn 80mm wide, color coded Refer drawings

PE sleeve for in-ground metal piping

Crevet Further detail in this Specification

Covers at surface level

Gatic Select to suit application Applicable for inspection chambers, pits, in-ground trade waste pits, drain inspection openings.

Valves boxes and sluice valve covers

Crevet Select to suit application

Pipe marker, Valve & meter tags, equipment name plates

LWG Zurn Select & order to suit application

Further detail in this Specification

Underground marking tape

LWG Zurn 80mm wide, color coded Refer drawings

PE sleeve for in-ground metal piping

Crevet Further detail in this Specification

Petrolatum tape Denso

Valves boxes and sluice valve covers

Crevet Select to suit application

Pipe marker, Valve & meter tags, equipment name plates

LWG Zurn Select & order to suit application

Further detail in this Specification

Sluice valve keys

Plumbtool 1150mm sluice valve key & handle

Kit complete with accessories and PVC container


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4. TRENCH EXCAVATION AND BACKFILLING

4.1. GENERAL EXCAVATION REQUIREMENTS Excavations shall be carried out in accordance with the Worksafe Victoria.

Comply with the provisions of the Occupational Health and Safety (OHS) Act and applicable Regulations & Code including Practice for Safety Precautions in Trenching Operation.

Excavations over 1.5m deep must be carried out under the supervision of a person holding appropriate permit recognised under the OHS Act. Ensure appropriate shoring, benching or battering for the trench is provided in accordance with Worksafe Victoria requirements.

Obtain the necessary Road Opening Permits as required from controlling Authorities.

4.2. SOIL REPORT & SOIL CLASSIFICATION Obtain a copy of the soil report and take into account any soil conditions likely to affect the in-ground installation and extent of this Contract. Contractor to be aware of the soil classification and allowances for ground movement / settlement as required. Be aware of expected ground water inflow at nominated depths for site dewatering requirements.

4.3. SETTING OUT The general areas of the building/s, services and site works within the Contract shall be set out by suitable hurdles, pegs or markers. Use a common datum to established levels.

All setting out shall be carefully checked against the Drawings prior to commencement of any excavations and any discrepancies must be clarified.

4.4. CLEARING AND GRUBBING Clear, grub and dispose of debris & previous construction scrub along the alignment of the underground service. Trees shall generally remain, unless those which have been approved by the Superintendant and owner/arborist can be removed. Remaining trees shall be protected to avoid damage during the trench excavation and trench filling works.

Where services are outside the general area of clearing of a site, clearing shall be limited to the width of easements or 3.0 metres in other cases.

4.5. TRENCH EXCAVATION Trench excavation shall generally be the open cut method from the surface, in accordance with the lines, grades and depths shown on the Drawings. Where appropriate or practical, bore under paths and roads with all due care to avoid clashing with existing in-ground services.

Trench widths shall be kept as narrow as possible, allowing for the minimum clearances to the sides of the pipes as per AS/NZS 3500.

Where excavations extend through existing pavements, the pavements shall be saw-cut at a distance of 200mm from each side of the trench and re-instated, or alternatively bore under paving for pipe installation.

Where excavations extend through lawn, the side of the trench shall be defined by cutting through the turf. The turf shall be cut into sods and together with all topsoil under them (to 150mm overall depth) shall be removed, stacked and nurtured for re-use.

For all excavations of trenches beyond the limits of all paved and lawn areas the excavations shall be carried out so that the initial topsoil is placed to one side while the sub-soil is placed to the other.

Excess or unsuitable materials from trench excavation shall be removed from the site.

Where existing pavements are required to be removed for the installation of trenches, re-instatement of pavement material shall be of similar type, color, thickness and finish to match the existing pavement and installed flush with existing levels.

4.6. TRENCHES PARALLEL OR NEAR FOOTINGS Contractor to Ensure that any trench excavation works do not compromise the required angle of repose from footings for any building or structure. The angle of repose is not constant value and must be determined by the relevant Structural Engineer or recognized expert

The location and maximum depth of a trench located parallel to a footing of any structure shall be controlled by the following factors:

Angle of repose from the adjacent footing as determined by the Structural Engineer or recognized expert,

Depth of the adjacent footing,

Soil type including moisture content, and

Compacted or undisturbed ground.

Where possible, the trench excavation shall have a nominal minimum 2.0m offset from the adjacent footings.

Alternatively, position the trench above and beyond the angle of repose of the adjacent footing.

Where this is not possible, adopt the maximum available offset and Ensure to advise the Superintendant and this office that the footings adjacent the services trench require to be deepened to a founding depth approved by the Structural Engineer.


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The final location of the trench in critical areas shall be determined by a suitably qualified Engineer, who shall take into account the above factors.

If shoring or underpinning of an existing building, part of a building, or other structure is required, it shall be carried out by a suitably qualified expert, under the direction of a Structural Engineer, prior to any excavation works.

4.7. EXCAVATION OF ROCK Carry out a site inspection and utilise the information from the soil report (where provided) to make an assessment of the nature of the existing soil conditions beneath the surface.

Additional payment for rock in trench excavation shall only be considered where material cannot be removed by a 20 tonne Hydraulic excavator fitted with a single tooth ripper and/or tiger teeth or boulders with a min. dimension of 1m.

Blasting is not permitted for excavation work.

4.8. SAFETY AT EXCAVATIONS While excavations are left open, take all necessary precautions to prevent accidents and Provide suitable temporary barricading, fences, bridges, ramps, warning signs, lighting, and any other necessary protective devices at all locations of potential risk.

Where required for the protection of workers, or to protect other construction, including pavements, sheeting, walling, props, struts, bracing or other methods to Ensure the stability of the excavation shall protect excavations.

4.9. DE-WATERING OF EXCAVATIONS Take all necessary precautions to prevent water from entering the trench, excavation or low areas of the site, which includes basement areas. Ensure to prevent water overflowing onto the site from other areas.

The water removed shall be discharged into allocation which will not cause a nuisance or damage to property. Obtain Authority approvals for discharging water to an Authority drainage point. Where necessary provide filtration / trade waste equipment as required to remove sediments and contaminants prior to connection to an Authority drain.

Where any trench or excavation is filled with water or damaged, it shall be made good or the excavation extended to solid ground. Services must not be installed within trenches which contain water.

No additional payments shall be made for extra excavation or backfilling material as a consequence of failure to remove water from excavations.

4.9.1. PUMPS FOR DEWATERING

Where water enters a trench or excavation, it shall be removed by temporary drainage pumps, or bailing or siphoning as necessary as it collects. An adequate number of pumps shall be kept on site at all times to remove any water in the excavations and Ensure waterways are diverted from entering excavations.

Provide suitable temporary pump/s, All Purpose or equal, which shall be vortex solids handling with automatic float control switch and in-built motor over temperature. Provide discharge hose kits with quick couplings. Determine duty of pumps to ensure maximum inflow of water is accommodated.

NOTE: Temporary dewatering pump/s shall NOT be re-used for any permanent pumps required for this project.

4.10. WATER CHARGED GROUND The water level shall be lowered below the base of the proposed trench and maintained at that level during excavation, laying of the drain and backfilling of the trench. Consideration shall be given to the effect on adjacent buildings and the trench as a result of de-watering.

Water services of 50mm or larger shall not be laid in water charged or filled ground unless appropriate supports for pipe restraint have been designed by a Qualified Engineer.

4.11. HAND DIGGING Hand digging in lieu of mechanical excavators shall be carried out where excavating within 600mm of known existing services and the Authority connection point. Contractor to carry out inspections, obtain Authority & other existing services information and carry out pipe locating techniques to locate in-ground services as detailed in this Specification prior to any excavating. Variations for repairs to known existing services where damaged by a mechanical excavator shall not be approved.

Existing trees remaining shall be carefully assessed and hand digging shall be carried out as required to avoid disturbance of the tree roots. Where an Arborist’s report, is available for this building site, all recommendations with regard to the protection of the tree root system shall be implemented.

4.12. NON-DESTRUCTIVE DIGGING Use non-destructive digging method (hydro excavation) as alternative to hand digging. Use reputable contractor for non-destructive digging works.

4.13. OVER-EXCAVATION OF TRENCHES The excess depth of over-excavated trenches shall be filled with bedding material compacted to achieve a density as near as possible to the original soil density and to the satisfaction of the Superintendent.

Where unsuitable material is encountered at the base of excavations, obtain the Superintendent's prior approval before excavating and making good as directed and/or specified.

Except where over-excavation is authorised the Contractor shall bear the cost of the over-excavation and making good.


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4.14. BACK FILLING OF TRENCHES Initial backfill of trenches shall be the same material as specified for bedding and shall be carefully packed and compacted around pipes in 150mm layers. Avoid displacement and damage to pipes and fittings. Backfill material shall not be dropped from a height of more than 1 metre unrestricted fall.

All filling material shall be free of builder’s waste, bricks, concrete pieces, rubbish, topsoil, organic matter and lumps of clay or rock with a dimension in excess of 75mm.

Do not back fill excavations until the relevant construction or services installation works have been inspected, tested and approved.

Where required by the Superintendent, density testing of compacted backfill shall be undertaken at the Contractor's expense to confirm that the specified compaction has been achieved.

4.14.1. BACKFILL UNDER BUILDINGS, ROADS & PAVEMENTS

Backfill material under existing and future buildings, roads or pavements shall consist of Class 2 crushed rock - 20mm size - placed in 200 mm loose layers and compacted to 98% Standard Maximum Dry Density to the underside of floor slab or pavement. Quality of backfill shall be equal to Vic Roads Specification. The Standard Maximum Dry Density for materials shall be obtained in accordance with AS 1289. Approved imported granular material May be used as an alternative material subject to approval the Superintendent. Use cement stabilized soil for backfilling to trenches in close proximity to footing/s. All work to public roads shall be performed strictly in accordance with the Specifications and satisfaction of VicRoads or Local Council / Shire as applicable.

4.14.2. BACKFILL BEYOND BUILDING ENVELOPE & UNPAVED AREAS

Backfill beyond the building envelope or in unpaved areas shall consist of selected material won from site excavations, where suitable. Excavated material from the site may be suitable for final backfill, provided it is free from rocks, hard mater, organic material, builder's waste. Material shall be broken up so that it does not contain soil lumps larger than 75mm, which would prevent adequate compaction. This backfill material shall be placed in 300mm (max.) loose layers and compacted to 90% Standard Max. Dry Density. Compact backfill material to minimize subsidence and to restore the trench to the normal surrounding ground surface level.

Turf sods in lawn areas, which were removed and stored, shall be set firmly in position flush with adjacent surfaces and filled around with topsoil.

In garden areas, the top of the back filling shall be topsoil and mulch to match existing strata.

In other areas, back filling shall be completed with topsoil and finished with a slight mound to Allow For settlement.

4.15. CLAY PLUG FOR TRENCHES All services trenches in any soil classification shall be sloped away from the building and be backfilled with clay and/or other non-permeable material such as Bentonite chips in the top 300mm of the trench, within 1.5m of the building. The clay used for backfilling shall be compacted.

Where pipe trenches pass under the footing system the trench shall be backfilled at the line of the external wall with a 500mm long impervious material, clay other non-permeable material such as Bentonite chips, to ‘plug’ the trench and restrict the ingress of water beneath the footing system.

4.16. TREE ARBORIST Where proposed trench routes are within the drip line or canopy outline of significant or heritage listed trees, this Contractor shall appoint and pay all associated fees for a report by a qualified Arborist to determine final trench routes.


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5. INSTALLATION OF SERVICES - GENERAL

5.1. UNIFORMITY OF INSTALLATION Uniformity of manufacture, type, model (& color where applicable) of each component shall be preserved throughout the Installation.

5.2. SETTING OUT Generally, all piping at buildings shall be concealed from view where possible within stud walls, cavities or in plumbing ducts unless otherwise indicated.

All pipes shall be arranged so as to provide suitable access for maintenance or replacement without disturbing others. Pipes and fittings shall not be buried in inaccessible locations unless specifically directed by the superintendent.

Allow For all bends and offsets necessary to avoid other services and to meet structural and architectural conditions. Care shall be taken to arrange any exposed pipe work to obtain a neat appearance and true alignment.

Pipes shall be arranged with valves and inspection openings in convenient positions for servicing through access panels provided in walls, ducts, ceilings, etc. Access panels to be Provided by Contractor to suit location of valves.

Install appropriate unions to valves and fittings to permit easy removal and replacement from pipes.

Pipe work shall generally not be permitted to be chased into masonry walls.

Exposed runs of insulated piping shall be supported so that a clear space of not less than 50 mm is left between the pipe insulation and the nearest wall or ceiling surfaces.

5.3. CAPPING & SEALING PIPING During construction, leave all unfinished work in a safe condition and protect the works against damage. At all times open ends of pipes shall be sealed off in such a manner as to prevent the entry of foreign matter into the lines. Use purpose made fittings for end caps where possible. Rags, wood, paper and duct tape will not be acceptable for this purpose.

Water services laid in trenches shall be totally sealed to prevent contamination from water within the trench.

5.4. BREAKAGES AND DEFECTS TO MATERIALS Patching of pipes or fittings shall not be permitted. All defective installations shall be cut out and replaced with new to the approval of the Superintendent.

Every bend and offset in a pipe shall be free from any wrinkling, flattening, buckling, cracks or other evidence of physical damage to the pipe any protective coating or lagging the pipe may have. Ensure pipes & fittings are protected from excessive ambient heat.

5.5. PROXIMITY TO OTHER SERVICES In-ground and above ground piping including conduits shall be installed with minimum separation from other services as stipulated in the Australian Standards including AS/NZS 3500, AS 5601 & AS 2419.

5.6. REJECTION OF INSTALLATION Make good or alter to comply, the complete installation or any portion which is defective or fails to fulfil the requirement of this Contract with the approval of the Superintendent. Failure to do this within the time limit specified by the Superintendant May result in the installation being rejected and requiring complete replacement. Such rejection shall not be a cause for extension of time or additional costs.

5.7. ANCHORAGE BELOW GROUND Concrete thrust blocks shall be installed to below ground services to provide adequate restraint and prevent unwanted movement. A Qualified Engineer shall take into account the soil conditions where the pipe is laid and determine the location and size of thrust blocks.

Thrust blocks shall be concrete with one side bearing against a firm vertical or horizontal face of the excavation as appropriate so the full hydrostatic forces in the piping are transmitted to the surrounding soil without the maximum bearing pressure of the soil and piping material being exceeded.

Thrust blocks shall be installed to provide adequate restraint of piping where required by AS/NZS 3500 and as required by the pipe manufacturer’s recommendations.

5.7.1. PRESSURE PIPE SYSTEMS

Pressure pipe systems installed below ground with rubber ring joints shall be restrained by thrust blocks in accordance with the manufacturer’s instructions and a qualified Engineer. Thrust blocks shall be installed as a minimum:

At all bends or junctions;

At the termination of piping;

At valves installed in the piping;

At the reducing fitting in the direction of the smaller pipe;

At changes of direction in excess of 5 deg and

At grades in excess of 1 in 5.


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The requirements for the installation of thrust blocks to non rubber ring jointed pipes systems to be evaluated on site and installed only if deemed necessary to ensure the stability of the pipe.

5.8. CONSTRUCTION OF THRUST BLOCKS The positioning of thrust blocks on the piping system shall be in accordance with the pipe manufacturer and the Soil Engineer. Thrust blocks shall be constructed of concrete with one side bearing against a firm vertical or horizontal face of the excavation and arranged so the full hydrostatic forces in the piping are transmitted to the surrounding soil without the maximum bearing pressure of the soil and piping material being exceeded.

5.9. CONCRETE AND MORTAR Concrete used for pipe anchoring including thrust blocks and supports shall be ‘ready-mix’ or ‘site-mixed’ and shall have a minimum characteristic compressive strength of 20 MPa as per AS 3600. Water used for concrete mixing shall be free from impurities which are harmful to the mixture or reinforcement. Steel reinforcing used within the concrete shall comply with AS/NZS 4671.

5.10. PIPING IN WALLS Water service piping located in timber or metal framed walls shall be installed as follows:

Timber stud & plate framework: Where un-insulated piping is used, a collar of lagging material or a neutral cure silicone sealant shall be used to fill the annular space.

Metal stud & plate framework: Holes drilled or formed in metal studs or plates shall be accurately sized to enable suitable grommets, insulations or a short sleeve of oversized pipe firmly secured in the framework to be inserted around the pipe, to ensure no direct contact between the pipe and the framework but to allow free longitudinal movement of the pipe through the grommet, lagging or sleeve.

Pipes in cavities of brick veneer construction shall be installed to avoid the transfer of moisture from the outer wall to the inner wall.

Holes and notches within studs, plates, beams, bearers, joists and other structural components are within the limits of the requirements of AS/NZS 3500.1.

5.11. EXISTING IN-GROUND SERVICES Where existing services are encountered which cause an obstruction / clash with a proposed service, or damaged in the course of performing the work under the Contract, the following shall be undertaken:

If the service is to remain; repair, divert, or relocate the services as required.

If the service is above ground and is to be abandoned; cut & seal or disconnect at point of origin, make safe and remove from the site.

Where the service is located in-ground and is to be abandoned; cut & seal or disconnect at the point of origin, and make safe.

5.12. EXPANSION FITTINGS Where required, all piping systems of all materials shall be Provided with expansion fittings at intervals and or fittings to prevent stress in pipe work and to conform to the manufacturer’s recommendations and AS/NZS 3500.

5.13. BUILDING EXPANSION JOINTS Where any pipes cross a building expansion joint, Provide a pipe expansion joint in a readily accessible position. Pipe expansion joint capacity shall be equal to building expansion joint.

5.14. PROTECTION OF IN-GROUND METAL PIPING IN CORROSIVE AREAS In ground metal pipes including bends, tees, fittings and valves etc. shall be protected in the following manner:

Continuously wrap with a sealed polyethylene sleeve,

Provide an impermeable flexible plastic coating; or

Continuously wrapped in a petrolatum taping material.

Hot water piping in-ground shall be pre-insulated as detailed in this Specification.

5.15. COVERS OVER PITS, INSPECTION OPENINGS AND VALVES Where indicated on the Drawings, fit metal covers to AS 3996, constructed of sold ductile iron for all types pits, inspection openings to surface and valve covers.

Covers for pits shall consist of a surround frame fitted with a solid ribbed plate / dish cover construction filled with structural grade concrete. Covers shall have lifting key holes formed in the cast iron near the edge of the cover suitable for the use of standard Gatic type lifting keys. Plastic plugs shall be Provided in all lifting holes.

Covers for sewer applications shall be gas-tight.

With the exception of solid top covers, all covers and frames must be filled with structural grade concrete. Concrete infill used in light duty covers shall have strength of 32 MPa. Concrete infill must be poured and allowed to cure with covers installed in frames.

The final line and grade of all covers shall match the finished line and grade of the adjoining floor, pavement, kerb and/or channel or landscaped area as appropriate.

All covers to pits located within tiled areas shall be installed with brass edge strips to accommodate tiles within covers.


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All cover and frame seating surfaces shall be cleaned. Apply Manhole Sealing Compound to all vertical and horizontal seating surfaces of the frame. Do not use lubricating greases.

Class rating of all covers to be in accordance with AS 3996;

Class A – 10kN

Pedestrian precincts which are inaccessible to motor vehicles.

Class B – 80kN

Footpaths or footways where it is possible for a vehicle to mount the footway or for light vehicles, such as park tractors, or livestock to use the pedestrian facility.

Class C – 150kN

For use in areas normally reserved for pedestrians and only occasionally open to vehicles, such as delivery or clean-out purposes, where wheel loads will not exceed 3.7 tonnes, or –

For use in carriage ways of minor residential roads carrying slow moving commercial vehicles (generating no impact loading) where wheel loads will not exceed 7.5 tonnes.

Class D – 210kN

For unrestricted use on carriage ways of arterial and other roads which may carry fast moving heavy vehicles where wheel loads will not exceed 5.2 tonnes, or

For restricted use in areas trafficked by slow moving heavy vehicles (generating no impact loading) where wheel loads will not exceed 10.5 tonnes.

5.16. PIPE FIXING AND SUPPORTS Brackets, bolted clips, saddles, hangers used for pipe support shall be:

Formed of a suitable material;

Securely attached to the building structure and not to any other service;

Able to withstand the applied loads and restrained for lateral movement;

Protected against corrosion where exposed to corrosive environment;

Made from compatible / like materials for the section where contact with the piping may occur;

Clamped securely to prevent movement, unless provided to allow for thermal movement;

Installed so that there is minimal load on the joints.

All pipework shall be free to move without causing stresses in the pipework or in the pipe joints.

Pipe fixings and supports for water service shall be installed so that movement cannot occur while a valve is being operated and so that the weight of the valve is not transferred to the pipe.

The method of support or spacing of pipes by means of brazing or welding a short section of any material to the surface of each pipe shall not be permitted.

Any proposed alternative methods for fixings must be approved. Pipes in single runs shall be supported with approved PVC coated clips and threaded rods fixed into structure with masonry anchors. Spigot and socket pipes must be supported behind each collar.

Fixings to concrete or masonry surfaces shall be made with loxins Or Equal expanding type anchors used in accordance with manufacturer’s instructions.

Where an Acoustic Consultant’s report has been carried out for this project, all requirements therein for fixing methods to be adhered to.

Where pump-lines are located within a building, they shall incorporate a flexible coupling. Locate the coupling between the pump-line and the pump as required to reduce noise emission along pump-line.

Additional clips and hangers shall be installed where stipulated by pipe manufacturer’s recommendations and where required to allow for varying pressure effects of the pipe system.

Any pipe or fitting which may be subjected to strain or torsion shall be securely fastened against twisting or any other unwanted movement.

Note: Refer to the Fire hydrant & hose reel section of this Specification for additional requirements for hydrant pipe supports.


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PRESSURE PIPEWORK - MAXIMUM SPACING OF BRACKETS & CLIPS

Maximum Spacing of Supports, meters

Nominal pipe size, mm

Copper, copper alloy and stainless steel

pipes

Galvanised steel and ductile iron

pipes

uPVC, polyethylene, cross-linked polyethylene and polypropylene pipes

Horizontal or graded pipes

Vertical pipes

15 1.50 2.00 0.60 1.20 20 1.50 2.00 0.70 1.40 25 2.00 2.00 0.75 1.50 32 2.50 2.50 0.85 1.70 40 2.50 2.50 0.90 1.80 50 3.00 3.00 1.05 2.10

65 3.00 3.00 1.20 2.40 80 4.00 4.00 1.35 2.70 100 4.00 4.00 1.50 3.00 125 4.00 4.00 1.70 3.40 150 4.00 4.00 2.00 4.00

5.17. CO-ORDINATION WITH OTHER BUILDING SERVICES AND BUILDING ELEMENTS This Contractor shall take an active role to Ensure the Installation is co-ordinated with other building services and building elements.

Obtain detailed information from other Sub-Contractors prior to Installation which may affect the works specified herein. Information for co-ordination shall include design documentation, shop/fabrication drawings and penetration drawings. Co-ordinate the works as necessary to satisfy the performance and programme of the project.

Allow For all required pipe offsets to Ensure all services are co-ordinated with other trades, building structure and existing services. Co-ordination shall include above and below ground services.

Obtain all dimensions required for locations of tapware and fixtures from Architectural documentation.

Refer to fabrication / shop drawings to co-ordinate and determine final positions of services to avoid clashes.

5.18. DEPTH OF COVER OVER IN-GROUND SERVICES All in-ground services shall be provided with a minimum cover as specified by AS/NZS 3500, AS 2419 & AS 5601, unless the pipe product-specific standard specifies, or manufacturer recommends, a greater depth of cover. Factors such as type of service pipe, pipe material, loading conditions & type of surface over pipe shall be considered when determining minimum depth of cover. Depth of cover shall be measured from the top of the pipe socket or inspection opening to the finished surface level.

5.19. FLEXIBLE JOINTS FOR GROUND MOVEMENT Obtain a copy of the current Soil Report for this project and identify the soil classification and any other conditions which may affect the pipe conditions. Where the soil conditions of this site are such that movement or settlement is expected to occur, the Contractor shall carry out adequate measures to Ensure the integrity piping system and any required grades will not be compromised as a result of ground movement. Expected soil movement for the following site classifications as per AS 2870 are as follows:

Soil Class A: -

Soil Class S: 0-20mm surface movement

Soil Class M: 20-40mm surface movement

Soil Class H1: 40-60mm surface movement

Soil Class H2: 60-75mm surface movement

Soil Class E: 75+mm surface movement

Soil Class P: 75+mm surface movement

The above movements and any other specific soil movement conditions as per the Soil Report shall be accommodated in the pipe system via flexible joint fittings and other approved methods.

5.20. PIPES THROUGH ABOVE GROUND CONCRETE OR MASONRY Pipe crossing through above ground concrete floors or walls shall be approved by the Structural Engineer. Services through non-fire rated walls or floors shall be wrapped with a flexible, moisture resistant material so as to prevent direct contact between pipe and concrete or brickwork. Alternatively pipe sleeves shall be installed prior to concrete pouring where appropriate.


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Services through fire rated walls or floors shall be installed as detailed in the sub-section of this Specification ‘Fire Protection of Pipe Penetrations’.

Pipes cast horizontally within slabs shall be appropriately lagged with purpose made 12mm moisture resistant foam lagging to accommodate any anticipated pipe expansion. Lagging to include vertical sections of pipe entering or exiting the slab. A pipe sleeve/conduit can be used as an alternative to lagging where appropriate. In all situations, pipes must not be in direct contact with concrete.

Pipes casts vertically within concrete columns shall not be permitted.

5.21. FIRE PROTECTION OF PIPE PENETRATIONS Openings in fire rated walls or floors from piping installed under this contract shall be protected in the following manner:

5.21.1. METAL PIPES

Core holes and sleeves shall be 12mm greater than the pipe it serves. Services passing through openings in fire rated floors and walls, shall be Provided with approved fire sealant which shall completely fill the cavity and provide the required fire rating.

5.21.2. NON-METAL PIPES

All pipe penetrations through fire rated walls or floors shall be fitted with purpose made fire stop collars in accordance with AS 1530, National Construction Code and manufacturer’s recommendations.

5.22. CORE HOLES AND SLEEVES Set out core holes and sleeves required to complete the works. Obtain approval for core holes & sleeves and locate to prevent weakening of the building structure. Make good core hole sleeves and pipe chases after installation of piping.

5.23. IDENTIFICATION OF SERVICES

5.23.1. PIPE AND VALVE LABELS

All services pipes and valves within the Installation shall be identified by purpose made coded self adhesive markers and name tags. Use purpose made pipe markers and name tags.

Pipe markers shall be located adjacent to all junctions, valves, service appliances, bulkheads, wall penetrations and the like, and at spacings not greater than 8m along the service all in accordance with AS 1345 - Identification of the Contents of Piping Conduits and Ducts.

Markers shall be grouped together for piping in series, where possible. Markers shall clearly identify contents of pipe incorporating lettering on basic identification color, contrasting border and arrowhead for direction of flow.

Valves within valve boxes for services shall also be provided with name tags.

Valve boxes housing main isolating valves for individual buildings or main groups of fixtures shall be Provided with a purpose made, clearly visible & durable valve label on the lid of the valve box.

All services equipment and storage tanks shall be appropriately identified by self adhesive markers and/or name tags.

All valves and other equipment to be provided with name tags of brass or durable plastic with embossed lettering. Tags shall clearly identify valve / equipment and identify function of valve / equipment.

The background color of the marker shall be as follows:

Water service: - Green

Fire service: - Red

Sewerage: - Cream

Refer to the Fire Hydrant & Hose Reel Section of this Specification for details of painting and labelling of hydrant piping, valves & valves boxes.

5.23.2. UNDERGROUND MARKING TAPE

All in-ground services shall be Provided with marking tape conforming to AS 2648.1 - Underground Marking Tape. Marking tape shall be 100mm wide minimum and incorporate stainless steel tracer wire to enable detection with a pipe locating device.

Marking tape shall be installed at a nominal 300mm above the obvert of the pipe for its entire length in ground.

The background color of the tape shall be as per the pipe labels as indicated in this Specification.

5.24. PIPE BEDDING AND LAYING BELOW GROUND - WATER SERVICES Water services shall be surrounded with not less than 75mm of compacted sand or fine grained soil with no hard-edged objects permitted to come in contact with or rest against any pipe or fitting. Pipes shall be laid in a narrow trench and be compacted in a manner that will not damage the piping.

Water service pipes located beneath concrete slabs on ground shall comply with the following:

There shall be a minimum distance of 75mm between the pipe and the underside of the slab. Alternatively, small bore domestic water pipes May be laid in a solvent cement jointed PVC conduit using DWV pipes. Where the pipe exits the conduit, the openings shall be made watertight.

The pipe ends shall be crimped or capped prior to pouring of the concrete and measures shall be taken to protect the pipe from damage.

Any pipework which penetrates the slab shall be made at right angles to the surface of the slab and shall be lagged with an impermeable flexible material of not less than 10mm thickness for the full depth of the slab penetration.


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The number of pipe joints shall be kept to a minimum.

Pipes must not extend through any expansion joint in the concrete.

Water service pipes crossing through below ground beams or footings shall be installed with an annular space of not less than 25mm and filled with a liner of flexible moisture resistant material.

5.25. PROTECTION OF WATER SUPPLIES Only drinking / potable water shall be supplied to plumbing fixtures, outlets and equipment used for human consumption, food preparation, utensil washing, or personal hygiene.

No device or system that may cause contamination of a water supply shall be connected directly or indirectly to any part of a water service without appropriate cross-connection or backflow prevention control suitable for the level of hazard.

5.26. IN GROUND SERVICES IN CONTAMINATED AREAS - WATER SERVICES Any area subject to bacterial or chemical pollution shall be deemed to be a contaminated area.

The installation of any in-ground water service in or through a contaminated area shall not be permitted unless the water service is laid through a watertight, corrosion resistant conduit of sufficient length and strength to provide adequate protection to the pipe.

5.27. ISOLATION FROM DISSIMILAR METALLIC PIPES & MATERIALS - WATER SERVICES Protection against galvanic corrosion shall be provided for all in-ground metal piping including joining of ferrous and non-ferrous pipes and fittings.

Provide a plastic connector between dissimilar metals of threaded type joints. Flanged connections shall be installed with purpose made isolation kits containing insulating gaskets between flanges, insulating sleeves along the bolts and insulating washers under the bolt-heads and nuts.

Metal pipes & fittings penetrating steel frames shall be prevented from contact with each other. Pipes shall pass through plastic grommets inserted into the frame. Alternatively lag pipes as required to prevent contact.

5.28. WATER CHARGED OR FILLED GROUND - WATER SERVICES Water services of 50mm dia. or larger shall not be laid in water-charged or filled ground, unless supports have been specifically design by a suitable qualified Engineer.

5.29. FLEXIBLE JOINTS ON PRESSURE PIPES FOR GROUND MOVEMENT In-ground pressure pipes entering or exiting the building envelope shall be Provided with appropriate flexible sections of pipe such as stainless steel braided hoses to absorb anticipated ground movement levels.

5.30. CLEANING & FLUSHING OUT OF PIPES & EQUIPMENT All piping, valves and fittings shall be thoroughly cleaned before installation, removing all scale, burrs, fins & obstructions.

All piping systems containing potable water including associated tanks, water heaters, vessels and equipment shall be thoroughly flushed out and purged as soon as possible after installation to remove all foreign matter.

Pressure piping shall be cleaned and flushed as many times as necessary until the flushed water runs completely clear.

Water services used to supply drinking water shall be protected against contamination during installation, commissioning/testing and repairs. If any water service is exposed to foreign substances or contaminated supply, the service shall be flushed, chlorinated (if copper pipe) and tested before being placed in service.

Where flushing is proposed to be undertaken after the installation of thermostatic mixing or tempering valves, all strainers and thermostatic elements/sensors shall be removed, cleaned and replaced after flushing.

5.30.1. WATER FOR FLUSHING COPPER PIPING

Water from the Authority reticulation system shall be used for flushing purposes. Where this is not available and only non-disinfected water is available for flushing, it shall be disinfected in accordance with AS 4809:2003 Appendix D.

5.31. COPPER PIPE – INSTALLATION & TIME OF FULL USE Where full use of a copper cold water piping system takes place longer than 8 weeks from the time installation, the following procedures shall occur:

The piping system shall be kept completely full and clean water shall be flushed frequently from each fixture until the system is used.

OR

The piping system shall be drained completely and dried out by blowing air through the system, then, if practicable, the piping shall be sealed to prevent intrusion of water and foreign matter.

When the system is connected to the permanent water supply with all taps and valves installed, all draw-off points shall be opened until clear water exits the system.

5.32. LOCATION OF VALVES All isolating valves within buildings shall be positioned in an accessible location adjacent fixtures or equipment. Valves located in ceilings, ducts or walls shall be located behind access panels.

5.33. ELECTRICAL SAFETY PRECAUTIONS AND EARTHING Safety precautions to be observed when cutting into pipe work or disconnecting meters, fittings and devices on pipework.


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6. COLD WATER SERVICE

6.1. CONNECTION TO AUTHORITY WATER MAIN Details of water main/s indicated on Drawings are copied from Authority asset plans and have not been confirmed on site.

Water supply shall consist of a connection to the existing Authority water main as indicated on the Drawings all in accordance with the Water Authority's policies and guidelines.

Install stop valves, check valves, water meters, dirt boxes, testing ferrules, and backflow prevention valves, pressure gauge lines and other fittings as indicated on the Drawings, or as necessary for the proper operation of the Installation.

Carry out all excavation and backfilling to install the water main connection and extension to the property boundary. Make good all disturbed footpaths, kerb & channel, roadway areas to the approval of the relevant Council Authority.

All associated costs for the installation of the tapping, extension to the property and making good of existing elements shall form part of this Contractor’s costs.

6.2. WATER METERS (MAIN METERS) Re-position water meters in relation to this project as indicated on Drawings. Meter positions including corresponding isolating valve shall be fully accessible at all times.

Water meter assemblies shall be in accordance with the Water Metering & Servicing Guidelines issued by City West Water, South East Water & Yarra Valley Water.

Meter assemblies to be installed in a manner to avoid obstructions to driveways and other paths. Meters and any associated components of the assembly shall not be installed below ground unless indicated on the Drawings.

Provide meter reading devices to the Water Authority’s requirements for meters which are not easily accessible for reading.

Provide a galvanised steel and wire mesh cage with lockable access doors around the meter assembly for protection, where required, and as indicated on the Drawings.

6.3. WATER SERVICE RETICULATION Re-connect to the existing cold water reticulation system including meters, fittings, valves, valve covers, backflow prevention devices, trenching, clips & fixings, anchor blocks as indicated on the Drawings.

Only potable water complying with the current version of the Australian Drinking Water Guidelines shall be supplied to plumbing fixtures, tapware, equipment and appliances for human consumption.

6.4. PROTECTION OF WATER SUPPLIES The water service system shall be installed and maintained to prevent contaminants from entering the system. No device or system that may cause contamination of a water supply shall be connected directly or indirectly to any part of a water service without the appropriate cross-connection or backflow prevention control suitable to the degree of hazard.

6.5. PROTECTION FROM WATER HAMMER Take all precautions to prevent water hammer and rectify it wherever it occurs. Provide and install water hammer arrestors in appropriate locations to reduce water hammer. Install additional pipe clamps as required to reduce water hammer. Make adjustments to pipe locations as required to reduce water hammer. Install pressure regulating valves as required to lower pressure.

6.6. BACKFLOW PREVENTION ASSEMBLIES Provide and install backflow prevention device assemblies in accordance with AS/NZS 3500.1.2 and as shown on the Drawings. Assemblies shall include stop valves and strainers as required by AS/NZS 3500.1.2 and the manufacturer.

Backflow prevention devices shall comply with AS/NZS 2845.1.

Testable backflow prevention devices at the property boundary shall be registered with the controlling Water Authority.

Any water service downstream of a backflow prevention device shall not be reconnected to the water service upstream of the backflow prevention device without the installation of an additional backflow prevention device of the same hazard rating.

Routine maintenance procedures for all backflow prevention devices within the property shall be incorporated in the Operation and Maintenance Manual.

Hose connection vacuum breakers shall be brass construction and permanently fitted to all hose taps.

Where necessary, employ the services of a Licensed backflow prevention Officer to investigate on site and determine the hazards and requirements for backflow prevention.

6.6.1. INSTALLATION OF TESTABLE BACKFLOW PREVENTION ASSEMBLIES

Line strainers in accordance with AS/NZS 3500.1 shall be fitted to the upstream side of backflow prevention devices as recommended by the device manufacturer and shall include double check valves and reduced pressure zone devices except where used in fire service installations.


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Testable backflow prevention devices shall be fitted with resilient seated (drop tight when closed) isolating valves at both upstream and downstream of the device.

Provide protection from damage and freezing to the device assemblies.

Do not install in an area with a corrosive or polluted atmosphere.

In line devices shall be installed with appropriate connections & fittings to permit easy removal and replacement.

Position devices so that any leakage from air ports, vents and discharge outlets (RPZD) is readily visible but not constitute a hazard or nuisance.

6.6.2. ACCESSIBILITY

All device assemblies shall be readily accessible for ease of maintenance, testing and replacement and without the requirement for ladders or scaffolding. Do not bury device assemblies in ground.

Where devices are fitted with test taps, their location shall ensure necessary clearance to carry out testing and maintenance as required.

6.7. MINIMUM PRESSSURE & FLOW AT TAPWARE OR PLUMBING FIXTURES The Installation shall be capable of delivering minimum water supply pressure and flow at tapware and plumbing fixtures, all in accordance with AS/NZS 3500.1.

6.8. MAXIMUM PRESSURE AT TAPWARE & APPLIANCES Where cold water supply pressure (and heated water where pressure where applicable) exceeds 500 kPa (static) at tapware or appliances, pressure regulating valve/s shall be installed on the system as required to limit the pressure to below 500 kPa.

Pressure regulating valves set lower than 500 kPa or additional pressure regulating valves shall be installed as required where the selection of appliances such as dishwashers and other appliances are known and require a maximum pressure lower than 500 kPa.

Pressure regulating valves to be installed with isolating valves to allow removal and maintenance.

6.9. REMOTE METER READERS Remote meter readers shall be Provided to the main meter where required by the Water Authority. Readers shall be installed in accordance with the Water Authority and manufacturer’s requirements.

Readers shall generally be installed to meters where full 24 hour / 7 day access is not available to meters or where access keys / cards are required to open doors to access meters.


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7. FIRE HYDRANT AND HOSE REEL SERVICE

7.1. FIRE HYDRANTS Fire hydrants shall be installed in accordance with AS 2419 and the Drawings. Ensure all required clearances to hydrant valve outlets (millcocks) and hand-wheels are provided for the hydrants. Ensure required heights of hydrant valves are adhered to. A clearance of 1m shall be provided directly in front of the hydrant outlet for the connection and laying of hoses. Hydrant positions & clearances shall be in accordance with the Drawings, this Specification and AS 2419.1.

7.1.1. EXTERNAL FEED & ATTACK HYDRANTS

External hydrants shall consist of a 100mm galvanised iron fire service pipe riser connecting to two individually valve controlled hydrant valves (millcock outlets). Concrete thrust blocks supporting the pipe bend in-ground shall finish at 25mm above the surrounding ground surface level. Where damage to the hydrant is possible by vehicles, Provide concrete bollards appropriately positioned for protection. Provide cabinets with signage where indicated on the Drawings, or specified by the Architect. Orientation of Feed hydrant valves (millcocks) shall be towards the associated hardstand for the Authority fire appliance.

7.1.2. INTERNAL HYDRANTS

Internal hydrants shall consist of a single hydrant valve (millcock outlet) connecting to a 100mm fire service pipe.

Where damage to the hydrant is possible by vehicles, Provide concrete bollards appropriately positioned for protection.

Provide cabinets with signage where indicated on the Drawings, or specified by the Architect.

7.2. FIRE HYDRANT VALVES (MILLCOCK OUTLETS) Hydrant valves (millcock outlets) shall comply with AS 2419.2, have a nominal bore of 65mm diameter and have their outlets fitted with hose connections and threads approved by the controlling Fire Authority. Provide Storz connection fittings to outlets where required by the controlling Fire Authority.

Standard purpose made cap and chain shall be Provided to each hydrant millcock. Where hydrants are prone to vandalism, provide protection by installing purpose made caps over each hand-wheel incorporating a 003 lock.

7.3. POSITIONS OF FIRE FIGHTING EQUIPMENT Drawings must not be scaled to determine required positions of fire hydrants, hose reels. Where a Regulation 309 Report has been provided by the relevant Fire Authority, the Contractor shall install all fire equipment and in positions as specified in the report.

Contractor to be aware of and install positions of all fire fighting equipment in accordance with the Drawings and Regulations and to required distances from designated exit doors and distances away from buildings and other elements, which shall the include the following:

7.3.1. FIRE HYDRANTS

AS 2419.1 - Fire Hydrant Installations,

Not less than 10m away from the building it is protecting, unless it is protected from a wall construction of FRL 90/90/90 extending not less than 2m each side and 3m above the ground adjacent to the hydrant,

Not less than 10m away from any high voltage main electrical distribution equipment,

In a position not obstructed or obscured by obstacles, stored goods, vehicles, vegetation etc,

In a position so the hydrant is protected from possible mechanical damage by vehicles,

Within 20m of a hardstand capable of supporting a fire pumping appliance, and

Readily accessible to fire fighters.

7.3.2. FIRE HOSE REELS

National Construction Code,

AS 2441 – Installation of Fire Hose Reels,

Within 4m of a designated exit, and

In a position to avoid a hose extending through a fire or smoke door to obtain floor coverage.

7.4. FIRE HYDRANT PIPEWORK PROTECTION FROM DAMAGE BY FIRE Where the building is not protected by an automatic fire sprinkler system, the internal & external fire hydrant piping system shall be protected by the following methods:

supported by walls, columns, floors, beams or roofs with a Fire Resistance Level, FRL (as defined by the National Construction Code) of not less than 60/-/- and pipe supports and hangers that have an FRL of 60/_/_, while maintaining a pipe support temperature of not less than 500 Deg. C when tested in accordance with AS 1530.4. or

Installed in a fire isolated stair or fire resisting shaft.

Exposed internal pipework shall be protected from mechanical damage where appropriate.


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Fire hydrant pipework and other pipework associated with the hydrant system shall be adequately supported by either:

a pipe support system, which the individual components shall comply with AS 2419.1 clause 6.8.5; or

pipe supports and fasteners which are capable of supporting five times the mass of the pipework filled with water plus a mass of 115kg at each point of support. In addition to providing support for the pipework, pipe-support systems shall be capable of preventing sway in the pipework.

Components of the pipe support system shall be of ferrous material. In aggressive environments, or where exposed to weather, all steelwork in supporting systems, including anchors, shall be adequately protected against corrosion.

All pipe fittings, fasteners and hangers shall be galvanised internally, externally and their ends in accordance with AS/NZS 4680.

Pipe supports shall be protected from direct contact with copper pipe or copper fittings.

7.5. FIRE HYDRANT ISOLATING & CHECK VALVES Provide valves in all locations shown on the Drawings in accordance with the relevant clauses of this Specification.

Allow For additional isolating valves than that shown on the Drawings where necessary for testing purposes.

Refer to the Materials & Equipment Section of this Specification for selection of valves.

7.5.1. ABOVE GROUND ISOLATING VALVES

Above ground isolating valves for low rise installations (effective height under 25m) shall be full flow, indicating type outside screw & yoke wheel gate valves. Alternatively use low torque wheel operated multi-turn post indicator butterfly valves with all metal actuating mechanisms. All above ground valves shall be closed by a rotating wheel (clockwise) and shall be secured or locked in the open position with padlock series approved by the controlling Fire Authority. Provide valve labels identifying the isolating valve and the valve number inscribed in uppercase letters not less than 8mm high as follows:

VALVE No XX

FIRE MAIN VALVE – SECURE OPEN

Similar labelling shall be provided to all access panels covering isolating valves for fire services.

All ring main isolating valves shall be located to permit ready access by Fire Brigade personnel in an emergency.

7.5.2. BELOW GROUND ISOLATING VALVES

Below ground valves shall be sluice valves operable by a sluice valve key complying with AS 2638. Provide suitable access cover at surface level which can withstand anticipated traffic load. Clearly identify sluice valve with a permanent reflective marker or paint in 25mm letters on the access cover with details of valve type and valve number.

All isolating valve numbers shall be reflected on the fire booster block plan.

7.6. FIRE HOSE REELS Existing hose reels shall remain including the water supply connection.

A 25mm dual check valve shall be installed to each existing hose reel, where it connects to the domestic cold water system. All existing hose reels in the Visitors Centre are connected to the domestic cold water system.

Any relocations or new hose reels shall adhere to the following:

Fire hose reel service shall be complete with all necessary piping, branches, fittings, valves and connections as indicated completely in accordance with the requirements of the Local Fire Authority, National Construction Code, AS 2441 and AS 1221.

Hose reels shall be of the fixed hose reel type with extended arm and 36m (or 50m where specified on the Drawings) of 19mm hose and with a 25mm stop valve incorporating a nozzle locking device.

Drum size of hose reel shall to be suitable for the cupboard space provided whilst maintaining required clearances.

Fire hose reels shall be positioned so that there is no interference with the running out of the hose in its intended direction or directions of use.

The manufacture and performance of the hose reels and hoses shall be in accordance with the requirements of AS 1221. The Installation of the hose reel shall comply with requirements of Australian Standard 2441 and shall have a minimum clearance of 100mm around the reel.

Fire hose reels located in backflow prevention zones shall have the water supply inlet installed with a backflow prevention device with a hazard rating in line with the hazard rating of the zone.

Fire hose reels installed on domestic water services shall have a dual check valve backflow prevention device installed at the water supply inlet at the stop valve.

Fire hose reels located externally or in an aggressive environment shall be provided with a cabinet or cover over the drum.

7.7. FIRE HOSE REEL CABINETS Where a cabinet or enclosure is provided, the opening door shall:

Not encroach on the required width or path of travel to an exit or doorway; and

Not obstruct the hose from being run out in any of its intended directions of use.

The cabinet or enclosure shall be marked with the words ‘FIRE HOSE REEL’ in 50mm letters in a color providing a high contrast with the background color.

The cabinet and its door shall provide radial clearance around the drum of not less than 100mm.


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Fire hose reel cupboards shall not contain any non-fire fighting equipment such as piping, valves, meters or fittings.

7.8. FIRE HOSE REEL ISOLATING VALVES Where a fire hose reel pipe branch from a hydrant supply serves two or more fire hose reels or is larger than 25mm, it shall be fitted with an isolating valve at the connection point into the fire hydrant service.

Each fire hose reel main supply isolating valve shall be secured in the open position by a padlocked metal strip or device and have attached an engraved non-ferrous metal tag with 8mm upper case letters: FIRE HOSE REEL SERVICE – LOCK OPEN.

Where practical, fire hose reel main supply valves shall be located either external to the building or within a fire isolated stairway, passage or ramp.

7.9. FIRE EQUIPMENT SIGNAGE Signage for fire equipment shall be purpose made, weatherproof, with durable clear lettering in uppercase only and in a colour directly contrasting the background.

Refer to the Drawings for details of signage.

Signage shall be in accordance with the Fire Authority guidelines.

7.10. PIPEWORK IDENTIFICATION All fire hydrant pipework shall be painted or labelled in accordance with AS 1345. Labelling of piping shall be in accordance with the Identification of Services section of this Specification. Manufacturer’s pipe markings shall be in accordance with Method A or B of AS 2419.1.

7.11. REPORT UNDER REGULATION 309 Not applied for by this office.

7.12. REPORT UNDER REGULATION 1003 Not applicable

7.13. EXISTING FIRE SERVICES Existing fire services to remain alive at all times during construction phase other than final connection.

Prepare and install new fire services in readiness for final connection to existing fire service. Time taken for final connection to be kept to a minimum and shall be to the approval of the local Fire Brigade.

This Contractor to advise the local fire brigade the details of the final connection to the existing fire service.


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8. DRAWINGS, OPERATION & MAINTENANCE MANUALS AND KEYS BY CONTRACTOR

8.1. SHOP (FABRICATION) / CO-ORDINATION DRAWINGS Prepare in conjunction with other trades concerned, detailed workshop drawings. Drawings shall be prepared by a competent draftsperson at a scale of 1 : 50. Quality shall be at least equal to the tender Drawings and shall show all co-ordination elements, such as structural elements and other services together with sufficient information to Ensure that pipe work and equipment will be installed within false ceilings and plumbing duct areas. Information to include layout & size of pipe work, horizontal dimensions of pipe work and invert levels.

Manufacturer's detailed drawings of prefabricated components can be submitted as Shop Drawings for consideration.

Shop drawings to be prepared for the following areas:

Water supply mains connection, common water service, main isolating valve, water meter assembly, detector check valve assembly for domestic cold water, & fire services.

Manufacture and/or Installation as applicable shall not be commenced prior to review of the drawings by the superintendent.

Submit drawings to the superintendent at least fourteen days prior to fabrication or Installation of equipment and services.

Provide sufficient copies of the drawings to all other disciplines to Ensure co-ordination with all other sections of the work.

The approval of the shop drawings does not remove the Contractor the responsibility for the co-ordination of the complete system or the compliance with all relevant codes, regulations and controlling Authorities.

8.2. AS CONSTRUCTED DRAWINGS Ensure accurate and legible field records of the Installation are made progressively as laying and backfilling proceeds.

All changes / deviations from the design Drawings shall be recorded and documented on As Constructed Drawings including but not limited to pipe sizes, pipe locations, pipe materials, equipment locations, fixture locations, meter locations, fire hydrant/hose reel locations, equipment specification, valve & fitting selection, invert levels (to AHD) etc.

As constructed drawings to also include actual locations and any relevant information of existing services, found on-site as part of investigation and installation of services.

Any section or element of the Installation which is not readily visible, i.e. in-ground or built in without ready access shall be recorded and documented with accurate horizontal dimensions from prominent building elements (not building grids)

and invert levels of drains to AHD and depths of water pipes, pump-lines and gas services to AHD.

As Constructed drawings shall be produced from ‘DWG’ format electronic files. Save all associated electronic files related to the As Constructed drawings on a compact disk (CD) in AutoCAD 2007 version or later. Electronic files in AutoCAD format of the design Drawings of the project can be provided from A. Christofi & Assoc. on request.

Provide 3No hard copy sets in color, full size not reduced scale, and 1No CD/DVD of completed As Constructed drawings. Standard of drafting and scale of As Constructed drawings shall be equal to the design Drawings. All drawings shall be labelled ‘AS CONSTRUCTED’ with the contact details of the Contractor. Drawings shall be dated and all unnecessary and irrelevant information removed.

8.3. OPERATION AND MAINTENANCE MANUALS Provide 3 bound copies of the Operation and Maintenance Manual for the Installation. Binders shall be A4 size, hard covered, multi-ring and labelled with the project description and service on the spine of the binder. Include dividers and plastic jackets to contain documents which are not suitable for binding, i.e. original certificates.

Provide a DVD containing all information in the Operation & Maintenance Manual in a PDF file format and also As Constructed drawings in a PDF & DWG file format.

A draft Operation & Maintenance Manual shall be submitted for review.

The Manual shall be compiled to include the following information:

Index of sections,

Contact phone number of this Contractor including after hours emergency details,

Contact details for 12 months operating & maintenance period,

Contact details for equipment & fixture suppliers,

Operating procedures for all systems and equipment,

Manufacturer’s technical data for sanitary fixtures, tapware, equipment, piping, valves & fittings,

Guarantees / warranties for fixtures, equipment, piping & fittings from manufacturers,

Itemised list of periodic testing requirements for essential services equipment including fire services,

Inspection reports from independent Registered Plumbing Inspector,

Test & Commissioning reports for the following equipment:


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1. Fire hydrant, hose reel system (by Registered Fire Tester)

Certificate of Compliance (Plumbing Industry Commission),

Correspondence from Water Authorities,

As Constructed drawings,

Shop / Co-ordination drawings.

Schedule of routine maintenance procedures (refer description below),

Schedule of valves (refer description below),

8.3.1. SCHEDULE OF ROUTINE MAINTENANCE PROCEDURES

Provide a comprehensive itemised Schedule of Routine Maintenance Procedures within the Operation & Maintenance Manual.

8.3.2. SCHEDULE OF VALVES

Provide a valve schedule within the Operation & Maintenance Manuals to show a comprehensive list of valves in the Installation, which shall include but not limited to isolating valves, backflow preventors, check valves Indicating the following in the schedule:

Service the valve relates to,

Valve type,

Valve size,

Valve position & access,

Areas of building / site controlled by this valve (for isolating valves)

Testing requirements for on-going maintenance.

8.4. KEYS FOR VALVES & COVERS As part of the Contractor's Scope of Works, provide for the owner / operator, purpose built keys suitable for the following:

Key for sluice valve/s – 1No set 1150mm sluice valve key & handle kit. This key shall be positioned within the booster cabinet or if no cabinet then within a purpose made metal cabinet (same construction as a booster cabinet) positioned in a secure location, labelled and locked with a 003 lock.

Key / tool for operating gate valve/s which are in ground and accessible via a valve box,


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9. INSPECTIONS

9.1. INSPECTIONS BY VICTORIAN BUILDING AUTHORITY Inspections of all required Installations shall be booked in accordance with the requirements of the Plumbing Industry Commission.

Installations shall be prepared for inspections as required by the Plumbing Industry Commission. All non-complying items shall be rectified as part of this Contract.

9.2. INSPECTIONS BY INDEPENDENT PLUMBING INSPECTOR Inspections in addition to those required by the controlling Water Authority shall be arranged for and all fees and charges shall be part of this Contractor’s costs. The inspections shall be carried out by a professional independent Registered Plumbing Inspector carrying appropriate professional indemnity insurance such as HMM Inspection Services Or Equal, ph 9830 6710.

Inspections shall be carried out for the following in-ground and above-ground services:

Fire hydrant piping, in-ground.

Cold water including common service from main to meter.

All non-complying items identified by the inspection shall be rectified as part of this Contract and re-inspected.

All inspection reports to be incorporated into the operational and maintenance manual.


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10. TESTING AND COMMISSIONING

10.1. GENERAL The Installation including piping, fittings, and other associated equipment and their components shall be given sufficient tests and other such tests as the Superintendent considers necessary to bring the system into proper working order.

Tests shall be carried out in the presence of the Superintendent. Notify the Superintendent and /or inspectors at least 48 hours in advance of conducting the tests, so arrangements can be made to witness the tests.

Repair or, if required by the Superintendent, Replace defective work with new work without extra charge. Repeat tests until all work is proven satisfactory.

Restore to its original condition, any work damaged or disturbed by tests, engaging the original trades to do the work of restoration.

Provide all labour, equipment, instruments, materials and power to carry out all tests to all services shown on the Drawings and as required by the relevant Australian Standards, Codes and Authorities.

Underground piping shall be tested after it has been laid and jointed and sufficient filling placed over the centre of each pipe to hold it in position but before the joints are covered, in order that all joints may be inspected. Do not test until 48 hours after the pouring of any anchor blocks in the line under test.

Testing of pipe systems shall include visual inspection of all pipe joints.

10.2. PRESSURE PIPES - WATER SERVICES

10.2.1. PRE-PREPARATION OF THE SYSTEM

Upon completion of pipe Installation, all trapped air within the system shall be removed and the system fully flushed to remove any debris. Refer also to section ‘Installation of Services’ of this Specification for further information on flushing of piping.

Where specific fittings or components of equipment are not designed to withstand the test pressure then these items shall be blanked off by by-pass during the test and separately tested at their maximum working pressure. Tapware and any other similar fitting which is rated below the test pressure shall be temporarily isolated for the piping test period and tested separately at their maximum working pressure.

Testing shall be carried out on all piping prior to being insulated or concealed in plumbing ducts, chases, ceilings and trenches.

Isolate and test piping in sections where it is not practical to test the entire installation in one session. Allow for isolating valves as necessary to carry out testing in sections.

10.2.2. HYDROSTATIC TEST - FIRE SERVICE AND COMMON WATER SUPPLY PIPING

All new fire service Installation (including new common water supply piping from the Authority main to the fire service piping) shall be tested to achieve at the highest elevation not less than 1700 kPa or 1.5 times the working pressure, whichever is greater. The test must be applied for duration of not less than 2 hours and any section or fitting which fails to withstand the test shall be Replaced.

Where existing fire service piping shall be tested, the minimum test pressure requirements of the Building Commission’s Practice Notes – 2002-38, Section 4 shall be adhered to. All necessary precaution shall be made prior to testing to Ensure that no property damage or injuries occur from burst or leaking pipe systems. Where required, install isolating valves on existing pipe system to ensure that individual sections of piping are tested one at a time. Select positions of isolating valves to ensure the test process is manageable and not create a risk. Take all necessary precautions when testing existing piping under buildings.

10.2.3. HYDROSTATIC TEST - PRESSURE PIPING OTHER THAN FIRE SERVICE

Pressure piping shall be tested to achieve, at the highest elevation, not less than 1500 kPa or 1.5 times the working pressure, whichever is greater. The test must be applied for duration of not less than 1 hour and any section or fitting which fails to withstand the test shall be Replaced.

10.2.4. AIR TEST

Seal & cap all new sanitary outlets and test each section of new piping as appropriate. An initial test pressure of approx. 15 kPa shall be subjected to the section of piping being tested. When approx. 15 kPa is reached, the air pressurizing equipment shall be turned off. Air pressure shall stabilize for a minimum of 3 minutes while checking for leaks. Once stabilized, commence the test by allowing the pressure to fall 10 kPa and then record the time and drop min pressure over the minimum duration as specified in the Table in Testing Section of AS 3500.2. All tests shall not have a pressure drop greater than 3 kPa over the minimum test duration specified in AS 3500.2.

10.3. VALVES AND FITTINGS – TEST Check and test the operation of all new valves, including isolation valves, check valves, and other new fittings to Ensure proper operation.


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10.4. BACKFLOW PREVENTION DEVICES The main existing testable backflow prevention device at the Admin. building shall be tested & commissioned by a Licensed Backflow Prevention Tester and all related fees and charges shall be part of this Contractor’s costs. Maintain in a proper working order and tested for operational function at intervals not exceeding 12 months.

A test report of all the testable backflow prevention devices at the property boundary (containment protection) shall be issued to the relevant Water Authority.

10.5. FIRE SERVICE COMMISSIONING / TEST Engage an Independent Fire Tester registered with the Australian Fire Safety Practitioner’s Accreditation Board Inc. to carry out commissioning, tests and compliance reports in accordance with the requirements of this Specification, AS 2419, AS 2441, AS/NZS 3500.1, controlling Fire Authority and the Building Commission’s Practice Notes including the Notes– 2002-38.

Pay all fees associated with works carried out by the Fire Tester.

Services to be carried out by Registered Fire Tester shall include, but not limited to the following:

Item Activity

New Fire service piping system: Hydrostatic test & check for compliance with AS 2419.

New Common water supply from water main: Hydrostatic test & check for compliance with AS 2419.

New Fire hydrants: Pressure & flow test & check for compliance with AS 2419.

New Fire hose reels: N/A

Existing fire service piping with new connections: Hydrostatic test & check for compliance with AS 2419 & Victorian Building Authority Practice/Technical notes.

Existing Street hydrant N/A

Existing Fire hydrants: N/A.

Existing Fire hose reels: Pressure & flow test & check for compliance with AS 2441.

Relocated Fire hose reels: Pressure & flow test & check for compliance with AS 2441

Compliance reports subject to conditions shall not be accepted. Non-complying reports shall be issued to the Superintendent and this Office for review and instructions for rectification works or other procedures as necessary to obtain a complying system. Additional testing shall be carried out until full compliance is met.

All test results and compliance certificates to be incorporated into the operational and maintenance manual.

10.5.1. DISPOSAL OF WATER FROM FLOW TEST

The Fire Tester shall dispose water from the fire hydrant and fire hose reel commissioning (flow) tests to a suitable drain without damage to private or public property.

Where provisions for disposal of water can not readily be accomplished from hydrant or hose reel outlets, a permanent test connection shall be provided (by the Contractor), together with the means of disposing of test water to a suitable drain.


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11. TENDER SUBMISSION

11.1. TENDER FORM FOR:

FIRE HYDRANT & HOSE REELS SERVICES

PROJECT: ROYAL BOTANIC GARDENS - CRANBOURNE

A. Christofi & associates Pty Ltd

Suite 4, 707 Mt Alexander Road Moonee Ponds VIC 3039

Ph: (03) 9372 7411

Fax: (03) 9372 7422

E-mail: [email protected]

_________________________________________________________________________________________________

We hereby tender for the complete works in accordance with the A. Christofi & assoc. Pty Ltd Specification & Drawings for the sum set out below:

FIXED LUMP SUM PRICE EXC. GST $.......................

PROVISION SUM - WATER AUTHORITY FEES $7000.00 (NO GST APPLICABLE)

OTHER PROVISIONAL SUMS $.......................

GST $.......................

TOTAL FIXED LUMP SUM INC. GST $.......................

11.2. ALTERNATIVE SOLUTIONS, VARIATIONS & EXCLUSIONS TO DESIGN

Contractor to complete the following:

Alternative solutions, variations or exclusions not covered by these Tender documents: YES / NO

Details are as follows:

1. ________________________________________________________________________________

2. ________________________________________________________________________________

3. ________________________________________________________________________________

4. ________________________________________________________________________________

5. ________________________________________________________________________________

6. ________________________________________________________________________________

7. ________________________________________________________________________________

Signature & Date…………………………………………………………………………………………

Name & Position Held…………………………………………………………………………………...

Name of Contracting Company………………………………………………………………………..

Address of Contracting Company……………………………………………………………………...

mailto:[email protected]


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11.3. TENDER COST BREAKDOWN

Complete the following Tender Cost Breakdown:

COMPONENT COST (EXC GST)

Site establishment, temporary supplies and connections: $.....................

Pipe & cable investigation / locating works: $.....................

Excavation, bedding & backfilling: $.....................

Cold water service: $.....................

Fire hydrant service: $.....................

Boring costs $.....................

Fire fighting equipment: $.....................

Painting, labelling & tagging services: $.....................

Shop / Co-ordination drawings: $.....................

Plumbing Inspections (Independent) $.....................

As constructed drawings, maintenance manuals & keys: $.....................

Water Authority - Application fees/charges, installation of branches: $.....................

Testing by this Contractor: $.....................

Testing & commissioning by Registered Fire Tester: $.....................

Removal & reinstatement of ground surfaces for the installation of piping: $.....................

Miscellaneous – define_________________ $.....................

SUB-TOTAL FIXED LUMP SUM $.....................

Goods & services tax: $.....................

TOTAL FIXED LUMP SUM PRICE INC. GST $.....................

Signature & Date…………………………………………………………………………………………



Address of Contracting Company……………………………………………………………………...


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11.3.1. RATES FOR LABOUR

The following rates shall exclude GST and be used for additional work and variations if required.

Apprentice $.................../hr + gst

Plumber $.................../hr + gst

Site Foreman $.................../hr + gst

Out of Hours Work ……………..%

Handling Margin ……………..%

11.3.2. RATES FOR MATERIALS

Rates must include for all required components to install the pipe in the position nominated below, i.e. include trenching costs for ‘In-ground’ position and include clips / fixings for ‘above ground’ position.

'In-ground' means trench excavation, bedding, pipe laying, backfill & compaction for straight pipe route.

'Above grd' means install pipe with clips/fixings for straight pipe route.

Note that pipe sizes shown are nominal sizes only, not manufacturer’s sizes.

In-ground pressure pipe Pipe Size (mm) Rate per meter

Material - PE 40 $................

50 $................

80 $................

100 $................

150 $................

Above grd fire service Pipe Size (mm) Rate per meter

Material - Gal 100 $................

150 $................

11.4. SCHEDULE OF EQUIPMENT Proposed equipment suppliers shall be nominated by the Tenderer as follows:

Equipment Supplier / Manufacturer

1. Main sluice & gate valves ………………………………………….

2. Isolating valves generally ………………………………………….

3. Fire fighting equipment ………………………………………….

Signature & Date…………………………………………………………………………………………



Address of Contracting Company……………………………………………………………………......


_____________________________________________________________________________________________________________________________________


11.5. INSURANCE

Public Liability Insurance: Name of Insurer.......................................................

Policy Number..........................................................

Expiry Date...............................................................

Limit of Liability.........................................................

Relevant Exclusions.................................................

Work Cover Insurance: Name of Insurer.......................................................

Policy Number..........................................................

Expiry Date...............................................................



Contract Works Insurance: Name of Insurer.......................................................

Policy Number..........................................................

Expiry Date...............................................................



11.6. MANAGEMENT AND SITE STAFF

Project Manager: Name .....................................................................

Phone Number..........................................................

Experience...............................................................

Site Foreman: Name .....................................................................

Phone Number..........................................................

Experience...............................................................

Other staff: Position .....................................................................

Name .....................................................................

Experience..................................................................

11.7. WORKS BY OTHERS / SUB-CONTRACTED

List Work:.................................... Company name.........................................................

Experience................................................................

List Work:.................................... Company name.........................................................

Experience................................................................

Signature & Date…………………………………………………………………………………………



Address of Contracting Company……………………………………………………………………......

Documents

Proposed Fire Service Upgrade Royal Botanic Gardens · PDF fileProposed Fire Service Upgrade Royal Botanic Gardens 1000 Ballarto Road Cranbourne VIC Fire Hydrant & Hose Reel Services