I. GENERAL REQUIREMENTS

1.0 SCOPE

This section of works includes Mobilization, Demobilization and Construction of Contract’s Temporary Facilities.

1.1 MOBILIZATION

Mobilization shall include transportation to the site of Contractor’s plant, materials, equipment, employees and furnishing of contractor’s temporary facilities.

1.2 DEMOBILIZATION

Demobilization includes dismantling and removal from the site of Contractor’s

plant, materials and equipment and all temporary facilities. Demobilization shall

also include clean-up of the site after completion of the Contract Work as approved

by the Procuring Entity Representative (PER) and transportation from the site of

Contractor’s employee.

1.3 CONTRACTOR’S TEMPORARY FACILITIES

Contractor’s Temporary Facilities shall be constructed to the dimension that can

accommodate the proposed supervision staff. The building must have its own

sanitation facilities, a First Aid room with first aid kits shall also be provided.

1.4 FIELD OFFICE AND ENGINEERS’ QUARTERS BUILDING

Contractor’s Field Office and Project Management Office shall be located at a site

designated by the PMO. Each of these two rooms shall be a semi-concrete type

with at least 60 square meters in the floor area. The building walls and ceiling shall

be painted. Each room shall have one (1) toilet and bath. All doors and windows

shall be aluminum screen. Appropriate signage acceptable to the PER shall be

installed to identify the PMO.

1.5 PROVISION OF FURNITURE AND OFFICE EQUIPMENT

Contractor shall provide its field office with contractor’s quarter before occupancy

by the PER with furniture and fixtures; office and laboratory equipment. And if the

Contractor cannot provide the articles on time, the PER shall secure the said

items and the Contractor shall immediately reimburse to the PER the cost

thereof. All office equipment, laboratory equipment, furniture and fixtures for the

Field Office and Engineers Quarter shall become the property of the City

Government upon their payment.

1.5.1 LABORATORY AND TESTING EQUIPMENT

It will be the Contractor’s responsibility to obtain samples from the site of the required quantity, including packing and transportation of samples to a laboratory accredited by the government to perform such test required. All cost pertaining hereto shall be to the account of the Contractor which is deemed prorated on Pay Items of Work.

1.6 OPERATION AND MAINTENANCE OF FIELD OFFICE AND ENGINEERS’ QUARTERS BUILDINGS

The Contractor shall be responsible for the maintenance and protection of all facilities to be provided during the duration of the Contract. He shall provide two (2) utility men to maintain all the facilities keeping them in good condition. He shall provide three (3) security guards in three (3) shifts, one (1) guard per shift to safeguard and secure, day and night, the buildings, equipment and furnishing and the personal property of the occupants, all as directed by the Engineer.

The Contractor, if requested by the PER, shall immediately replace assigned personnel for reasons arising from misconduct and/or unsatisfactory performance.

The Contractor shall pay for all electric, water and telephone bills during the entire duration of the Contract.

1.7 MAINTENANCE OF VEHICLES FOR THE CONSTRUCTION SUPERVISION STAFF

The Contractor shall maintain the vehicles in first class condition. All repairs shall be to the account of the Contractor.

The Contractor shall provide the vehicle with an adequate supply of lubricant per month as required including replacement of tires during the entire duration of the contract. The Contractor shall provide full time qualified drivers for the vehicles. The driver shall be acceptable to the PER/Engineer or his authorized representative.

The Contractor shall provide for the registration and comprehensive insurance pursuant to the Conditions of Contract of the vehicle during the contract period.

The Contractor shall maintain the equivalent substitute vehicle during any period when the specified vehicle is taken out of service for maintenance, repair or for any other reason. If the vehicle is not maintained to the

satisfaction of the Consultant staff and the Consultant staff or its representative incurs additional expenses for satisfactory maintenance of the vehicle, the Contractor shall immediately reimburse for such expenses.

1.8 ASSISTANCE TO THE PER

The Contractor shall at all times during the duration of the Contract provide for the

use of the PER all equipment, instruments and apparatus, all information and

records and qualified chainmen and laborer’s required by the PER/Engineer for

inspecting and measuring the works.

1.9 SAFETY ASSURANCE

The Contractor shall maintain adequate safety measures that shall prevent undue

damage, injury or loss of life and property. Safety regulations of Rule XV of the

National Building Code (P.D. 1096) shall at all time be observe.

1.10 PHOTOGRAPHS

The Contractor shall provide record of progress photographs taken as, when and

where directed by the PER at intervals of not more than one (1) month. The

photographs shall be sufficient in number and location to record the exact progress

of the works. The Contractor shall provide two (2) CD’s with digital images of

photographs taken in each month. The PER will select 8 images to be reproduced

in six (6) copies each of sizes 4R. The photographs retained by the PER will

become the property of the City Government and the Contractor shall supply

approved albums to accommodate them.

1.11 METHOD OF MEASUREMENT

1.12.1 The quantities for the use of Field Office and Engineers Quarters

shall be the time in months or a fraction the PER occupies or uses

such Field Office.

1.12.2 The quantities for the maintenance both of Field Office shall be from

the time the PER occupies the building and all the various items

specified are fully and satisfactorily provided by the Contractor.

Cost hereof shall include all costs for electric and water bills,

salaries/wages of security and security personnel as stated in the

contract. The unit of measure is “month”.

1.12.3 No separate payment will be made for mobilization, demobilization

and Contractor’s Facilities. All costs related hereto shall be

considered prorated on all Pay Items of Work.

1.12 BASIS OF PAYMENT

The quantities determined as provided above shall be paid for at the appropriate

contract unit price, for each of the particular pay items shown in the Bid Schedule

which price and payment shall constitute full compensation for furnishing and

maintaining such item:

PAY ITEM DESCRIPTION UNIT OF

NO. MEASUREMENT

1.1 Facilities for the PER (Rental Month

of Field Office and Engineers’ Quarters Building)

1.2 Facilities for the PER Lump Sum

(Provision of Furniture’s &

Fixtures, Miscellaneous

Appliances)

1.3 Facilities for the PER Month

(Operation and Maintenance of Field Office and Engineers

Quarters)

1.5 Facilities for the PER Each

(Photographs Furnished)

II. SITE WORK

2.1 SCOPE

This section includes Site Clearing, Earthwork, Sub base, Base Course, Site Drainage and Miscellaneous Drainage Structures and Site Improvements.

2.2 SITE CLEARING

2.2.1 SITE DEMOLITION

All structures and superficial obstructions shall be demolished and removed from the site to disposal areas approved by the PER. Payment for site demolition work will be included in the lump sum bid price by the Contractor.

2.2.2 CLEARING AND GRUBBING

2.2.2.1 CLEARING All areas within which structures or related construction has to be accomplished shall be cleared of matted roots, trees, brush, snags, vegetation, rubbish, and other objectionable matters.

All combustible materials from clearing operation shall be completely disposed of as directed by the PER.

2.2.2.2 GRUBBING Shall consist of the removal of tree stumps, forest growth, brush and rubbish from the work areas to be occupied by permanent structures and from other areas within the indicated clearing limits as directed by the PER.

2.3 EARTHWORKS

The work includes excavation, filling, backfilling and grading required and necessary for the proper completion of the project.

2.3.1 APPLICABLE DOCUMENTS The following specifications and standards referred to hereinafter by basic designation shall form part of the specifications to the extent required by the reference thereto.

AASHTO American Association of State Highway and Transport Officials

T99-84 Moisture density relations of soils using a 5.5 lbs rammer and a 12-inch drop

T147-84 The field determination of density of soil in place.

2.3.2 REQUIREMENTS

1) TOPSOIL Materials from excavation, suitable for topsoil, shall be deposited in piles separated from other excavation materials and shall be protected and maintained until needed. When used for finished grading, topsoil shall be spread uniformly over the areas in accordance with the plans and specifications.

2)ALL EXCAVATION SHALL BE PERFORMED BY CONTRACTOR to the excavation lines, grades, and slopes and profiles shown in the drawings, or as directed by the PER. All excavation shall be performed in the dry, unless otherwise approved by the PER. Contractor shall provide dewatering and drainage facilities necessary to maintain all excavation free from water.

a) EXCAVATION FOR STRUCTURES AND TRENCHES

Excavation carried out below the depths indicated on the drawings but without the approval of the Engineer, shall be refilled to the proper grade with thoroughly compacted suitable fill materials to the satisfaction of the PER, except that in excavation for footings, concrete shall be replaced to the bottom of the excavation for footings, concrete shall be replaced to the bottom of the excavations; additional work of this nature shall be at the Contractor’s expense. Shoring, bracing, and sheathing shall be removed in a manner to prevent caving in. The grading in the vicinity of excavated areas shall be done to prevent surface water from running into excavation and embankments. Water pumped from excavation shall be diverted to suitable disposal points. Trenches for pipelines shall be excavated along straight lines and unless otherwise indicated, shall provide a minimum of 150 mm between the outside of the pipe and the sides of the trench or bracing. Additional excavation shall be made for each joint to allow for jointing.

Mechanical excavation, other than rock, shall be excavated to at least 50 mm above final invert grade; the remainder of the excavation shall be shaped manually and graded to provide uniform bearing when the pipe is laid. Unless otherwise indicated, cover over water, sewer, drainage pipes shall not be less than 300 mm, except under roadways where the minimum cover shall be 600 mm.

b) EXCAVATION UNDER PAVEMENT AND CONCRETE SLABS

The entire area of the original ground under pavements and concrete slabs shall be excavated to remove all objectionable matter, sod, muck, rubbish and other unsuitable material to a minimum depth of 300 mm.

3) FILL AND BACKFILL– Fill and backfill material shall consist of suitable materials from excavation or from approved borrow areas, and shall be free from roots, wood scraps, vegetation, and other extraneous materials and from large clods of earth or stones greater that 100 mm. No fill materials shall be placed until the surface to be filled has been approved by the Engineer.

a) FILLING AND BACKFILLING FOR STRUCTURES AND TRENCHES

Backfill around structures shall be placed as the work of construction progresses, insofar as practicable. Backfilling of trenches shall progress as rapidly as construction and testing will permit. In backfilling pipe trenches, approved backfill shall be compacted in 150 mm layers to a depth of 150 mm over the pipe; the remainder of the trench shall be backfilled in well-compacted 300 mm layers, except that for trenches under roads, pavements and concrete floor slabs, the backfill shall be placed and compacted in 150 mm layers to the top of the trench.

b) EMBANKMENT– Before placing fill material, the surface upon which it will be placed shall be scarified to insure good bonding between the existing surface and the fill material. Where embankment is to be constructed on sloping ground with slopes steeper than 1 vertical to 4 horizontal, the new fill shall be cut into or benched as the embankment is brought up in layers in such a manner that the embankment materials will bond with the existing surface. The size of each bench shall be subjected to approval of the PER and shall depend on the equipment to be used.

4) EQUIPMENT -Equipment used in the performance of the work shall be subjected to approval of the PER. The quality of compaction equipment shall be adequate to assure thorough uniform compaction as rapidly as material is placed. In all area not accessible to rollers or compactors, the fill shall be compacted with mechanical hand tampers.

5) COMPACTION - In fill area, the top 200 mm shall be compacted to density of at least 95 percent of maximum density and the remaining depth of fill to not less than 90 percent of maximum density; except that under ramps, pavements, and concrete floor slabs, compaction shall not be less than 95 percent of maximum density for the entire depth fill. Unless otherwise indicated, where the existing sub grade in cuts have a density of less than 95 percent, it shall be compacted to a depth of 150 mm to the minimum of 95 percent density. Soil moisture during compaction shall be controlled between 80 and 110 percent of optimum moisture content determined in accordance with AASHTO Method T99.

6) GRADING– The Contractor shall perform all grading in the areas as indicated. Existing grades which shall remain and will be disturbed by the Contractor’s operation shall be graded to original condition or as directed by the PER. Tolerances in final grading in unpaved areas shall not exceed 30 mm above or below the grades indicated. Finished grading shall be accomplished so as to readily drain into the drainage facilities or adjacent natural drainage areas, without the formation of pockets in which water will stand.

7) SELECTED FILL MATERIAL- shall consist of pit run gravel, disintegrated rock, sand or other similar material. The Material shall not contain more than 35 percent passing the 0.075 mm (No. 200 sieve) and the fraction of the material passing the 0.425 mm (No. 40) sieve shall have a liquid not greater than 34 and plasticity index of not greater than 12.

8) GRAVEL FILL– Shall consist of hard, durable particles or fragments of stone or gravel. It shall be cleaned and free vegetable matters, lumps or balls of clay and other deleterious substances. The portion of the materials passing the 0.075 mm (No. 200) sieve shall not be greater than 5%. Material passing the 0.425 mm (No. 40) sieve shall have a liquid limit of not more than 25 and a plasticity index of not more than 6 as determined by AASHTO T89 and T90. Gravel bedding, 100 mm (4”) in depth or as shown on the drawings shall be placed, spread and compacted through tamping underneath footings, slabs on-fill and slabs on-grade.

9) DISPOSAL OF SURPLUS EXCAVATED MATERIALS– Any surplus material from excavation and grading operations shall be disposed of and spread in spoil areas designated by the Engineer except for materials classified as rubbish and debris, which shall be disposed of in dumps and in burning areas. Excavated material deposited in the spoil area shall be graded to a reasonably uniform surface.

10) QUALITY ASSURANCE PROVISIONS– All tests shall be performed by the PER with the assistance of the Contractor. Maximum density and optimum moisture content shall be determined by ASSHTO Method T-99-74. Density of soil in place shall be determined by ASSHTO Method Y-191-61.

11) SUBBASE AND BASE COURSE

11.1 AGGREGATE SUBBASE COURSE

This item shall consist of furnishing, placing and compacting aggregate sub base course and/or aggregate base course on a prepared sub grade in accordance with DPWH Specifications and the lines, grades and cross sections shown on the Plans, or as directed by the PER.

11.2 SURFACE COURSE (PCCP)

PCCP shall be constructed on the prepared base in accordance with DPWH Specifications and in conformity with the grades, thickness and typical section as shown on the Plans.

11.3 SITE DRAINAGE AND MISCELLANEOUS DRAINAGE STRUCTURES

These items shall consist of the construction of drainage and miscellaneous drainage structures in accordance with DPWH Specifications and in conformity with the lines and grades shown on the Plans as established by the PER.

III. CONCRETE AND REINFORCING STEEL BAR

3.1 GENERAL

3.1.1 SCOPE

The work includes concrete construction complete in accordance with the plans and standard specifications for concrete and reinforced concrete works.

3.1.2 REFERENCE STANDARDS

The latest edition of following standards shall form part of this specification:

ACI American Concrete Institute

211.01-85 Standard Practice for Selecting Proportions for National and Heavy weight Concrete

318-83(R86) Building Code Requirements for Reinforced Concrete

ASSHTO American Association of State Highway and Transport officials

M173-84 Concrete Joint Sealer, Hot-Poured Elastic Type Joint Filler for Concrete

ASTM American Society for Testing and Materials

A615-87 Deformed and Plain Billet-Steel Bars for Concrete Reinforced

C33-86 Concrete Aggregates

C31-88 Standard Practice for marking, Curing Concrete Test Specimen in the Field

C39-86 Compressive Strength of Cylinder Concrete of Cylinder Specimen

C94-86 Standard Specification for Ready-Mixed Concrete

C143-78 Standard Test Method for Slump of Portland cement Concrete

C150-86 Portland cement, Specification for

C309-81 Liquid Membrane-Forming Compounds for Curing Concrete

C494-86 Chemical Admixtures 3.1.3 REQUIREMENTS

Coordination shall be given with other trades to install embedded items. Before concrete is placed, embedded items shall have been properly installed and inspected, and tests for aggregates and other materials shall have been done.

3.2 MATERIALS

3.2.1 GENERAL

Concrete shall be composed of Portland cement, fine and coarse aggregates, water and admixture as specified, all thoroughly mixed and brought to the proper consistency, uniformity and temperature for final placement.

3.2.2 CEMENT

Cement shall be Portland cement conforming to ASTM Specification C150, Type 1.

3.2.3 WATER

Water used in mixing concrete shall be clean and free from injurious amounts of oil, acids, alkaline, salts, organic materials, or other substances that may be deleterious to concrete or steel.

3.2.4 ADMIXTURES

Admixture to be used shall be subjected to prior approval by the PER. The admixtures shall be capable of maintaining essentially the same composition and performance throughout the work.

a) Plasticizing admixtures shall be free from chlorides and shall conform to ASTM C949. The admixtures shall be used in concrete mixtures in accordance with the manufacturer’s instructions.

b) Calcium Chloride shall not be used under any circumstances.

3.2.5 FINE AGGREGATES

Fine aggregates shall consist of natural sand, manufactured sand, or a combination thereof. If the fine aggregate shall be a combination separately processed sizes, or if hatching shall result in a combination of natural and manufactured sand, the different components shall be hatched separately processed sizes, or if hatching shall result in a combination of natural and manufactured sand, the different components shall be hatched separately.

Fine aggregates shall consist of hard, tough, durable, uncoated particles. The specified percentages of fines in the sand may be obtained either by the processing if natural sand. The shape of the particles shall be generally rounded or cubical and reasonably free from flat or elongated pieces. The use of beach sand shall be prohibited. The fine aggregate shall conform to the following specific requirements:

Sieve Designation

Cumulative Percentage

Std. MM U.S. Std. By Weight Passing

9.5 (3/8) 100

4.75 (No. 4) 95-100

2.36 (No. 8) - 1.18 (No. 16) 45-80

0.60 (No. 30) - 0.30 (No. 50) 10.-30

0.15 (No. 100) 2.10

In addition to the grading limits shown above, the fine aggregates, as delivered to the mixer, shall have a fineness modulus of not less than 2.3 nor more that 3.0 and during normal operations, the grading of the fine aggregate shall be controlled so that the fineness modulus of at least nine (9) of ten (10) test samples of the fine aggregated as delivered to the mixer shall not vary more than 0.20 from the average fineness modulus of all samples tested during the preceding 30-day period.

The fineness modulus can be determined but dividing by 100 the sum of the cumulative percentages retained on U.S. Standard sieved Nos. 4,8,16,30,50 and 100. At the option of the Contractor, fine aggregates may be separated into two (2) or more sizes or classification, but the resulting combined sand shall be of uniform grading within the limits specified above. It can be generally assumed that a fine blending sand may be required to meet the above grading.

3.2.6 COARSED AGGREGATE

Coarse aggregate shall consist of gravel, crushed gravel or rock, or a combination thereof. The coarse aggregate as delivered to the batching plant, shall have uniform and stable moisture content. The approval of deposits shall not be construed as constituting the approval of all materials taken from the deposits, and the Contractor shall be held responsible for the specified quality of all such materials used in the work. Coarse aggregate shall consist of hard, tough, durable, clean and uncoated particles.

All foreign materials and dust shall be removed by adequate processing. The particle shape of the smallest size of crushed coarse aggregate shall be generally rounded or cubical, and the coarse aggregate shall be reasonably free from flat and elongated particles. A thin, flat and elongated particle can be defined as a particle having a maximum dimension. The coarse aggregate shall be well graded from fine to coarse. It shall be separated into size groups:

Sieve Sizes Percent by Passing

Std. U.S. Std. Sq. Mesh Weight ¾” Individual MM Sizes 1-1 ½”

Sizes

50 (2”) - 100

37.5 (1-1/2”) - 90-100

25 (1”) 100 20-55

19 (3/4”) 90-100 0-15

9.5 (3/8”) 20-55 0-5

4.75 (No. 4) 0-10 -

Use 19mm (3/4”) coarse aggregate for slab on grade, columns, beams, suspended slabs and tie beams.

Use 38mm (1-1/2”) coarse aggregate for footings

3.2.7 EXPANSION JOINT FILLER

Expansion joint filler shall be performed strips made of cane or other suitable cellular fiber securely bound together and uniformly impregnated with a suitable asphalt binder. When tested, filler shall not absorb water greater than 15 percent volume; the load required to compress the filler to 50 percent of the weakness shall not be less than 10 pounds nor more than 800 pounds per square inch.

3.2.8 MIXING CONCRETE

Concrete shall be thoroughly mixed in a mixer of an approved size and type that will insure a uniform distribution of the materials throughout the mass:

3.2.8.1 SITE MIXED CONCRETE

All concrete shall be machined-mixed for at least 1 ½ minutes after all materials including water are in the mixing drum. The time elapse between the introduction of the mixing water to the cement aggregates and placing of the concrete in final position shall not exceed 45 minutes. Placing of material in mixer shall be done in such a way that the first batch of concrete materials in the mixer shall contain sufficient excess of cement, sand and water to coat the inside of the drum without reducing the cement content of the mix to be discharged.

The tampering of concrete, that is, placing additional cement, aggregate or water during mixing period shall not be permitted.

No hand mixing shall be allowed except in case of emergency such as breakdown during pouring operations subject to the approval of the PER, and shall stop at the first allowed construction joints.

IV. MASONRY

4.1 GENERAL 4.1.1 SCOPE

The work includes furnishing labor, equipment and materials, and performing all operations required to complete concrete masonry work as shown and specified on the drawings and specifications.

4.1.2 APPLICABLE DOCUMENTS

The following specifications and standards (latest edition) shall form part of this specification to the extent required by the references thereto. ASTM American Society for Testing and Materials C144-87 Aggregate for Masonry Mortar, Std. Specs. PSA Product Standards Agency Pub. Phil. PNS 16-84 Concrete Hollow Blocks, Spec for

4.1.3 REQUIREMENTS

Concrete masonry work of the type indicated shall be provided and shall be properly coordinated with the work of other trades.

4.2 MATERIALS 4.2.1 CONCRETE HOLLOW BLOCKS

Concrete hollow block shall be a standard product of a recognized manufacturer conforming to PNS 16, sizes as indicated on the drawings.

4.2.2 CEMENT, REINFORCING STEEL, AND WATER

Cement, reinforcing steel and water shall be as specified in Section 3.0 CONCRETE.

4.2.3 LIME Lime may be either finely pulverized quick lime, slake or hydrated lime (92% hydrated) and shall be a standard product of recognized manufacturer.

4.2.4 DELIVERY, STORAGE AND PROTECTION OF MATERIALS

Delivery, storage and protection of materials shall be as specified in Section 3.0 CONCRETE and as specified herein.

4.2.4.1 Lime shall be delivered in original sealed containers plainly marked with name and brand of manufacturer, and kept dry until used. Defective lime of lime showing partial set or caking shall not be used.

4.2.4.2 Concrete Masonry Units shall, immediately upon delivery

to the job site, be stacked under covered area or otherwise protected from exposure to the weather and contact with soil. Care shall be exercised in handling the blocks to avoid breakage.

4.3 INSTALLATION 4.3.1 WORKMANSHIP

Masonry walls shall be placed level and plumb all around. One section of the walls shall not be placed in advance of the others, unless specifically approved. Unfinished work shall be stepped back for joining with new york; toothing shall not be permitted. Heights of masonry shall be checked with an instrument at sills and heads of openings to maintain the level of the walls. Door and window frames, louvered openings, anchors, pipes and conduits shall be installed carefully and neatly as the masonry work progresses. Spaces around metal door frames shall be filled solidly with mortar. Drilling, cutting, fitting and patching, to accommodate the work of others, shall be performed by skilled workers. Bolts, anchors, inserts, plugs, ties and miscellaneous metal work specified elsewhere shall be placed in position as the work progresses. Chases of approved dimensions of pipes and other purposes shall be provided; where indicated or necessary. Tops of exposed walls and partitions, not being worked on, shall be covered with a waterproof membrane, well secured in place. Walls and partitions shall be structurally bonded or anchored to each other and to concrete walls, beams and columns.

4.3.2 MORTAR MIXING

Mortal materials shall be measured in approved containers, which shall insure that the specified proportions of materials can be controlled and accurately maintained during the progress of the work. Unless specified otherwise, mortar shall be mixed in proportions by volume. The aggregates shall be introduced and mixed in such a manner that the materials will be distributed uniformly throughout the mass. A sufficient amount of water shall be added gradually and the mass further mixed, not less than 3 minutes, until a mortar of the plasticity necessary for the purpose intended shall be obtained. The mortar shall be mixed in a manner such that the quality of water can be controlled accurately and uniformly. Mortar boxes, pans, or mixer drums shall be kept clean and free of debris or dried mortar.

The mortar shall be used before the initial setting of the cement has taken place; re-tempering of mortar in which cement has started to set shall not be permitted.

4.3.3 PROPORTION

Mortar shall be mixed in the volumetric proportions of one part Portland cement, ¼ part hydrated lime and 3 parts sand.

4.3.4 MORTAR JOINTS

Mortar joint shall be uniform in thickness, and the average thickness of any three consecutive joints shall be 9.50 mm. “Gage rods” shall be made and approved prior to starting the work and shall be used throughout the work. Changes in coursing or bonding after the work has started concave with a round or approved jointer, when mortar is thumbprint hard. The jointer shall be slightly larger than the width of the joint, so that complete contact shall be made along the edges of the units, compressing and sealing the surface of the joints. Joints in masonry which will not be exposed shall be struck flush. Horizontal joints shall be tooled first. Joints shall be brushed to remove all loose and excess mortar. All horizontal joints shall be level; vertical joints shall be plumb and in alignment from top to bottom of wall within a tolerance of plus or minus 12 mm.

4.3.5 CONCRETE MASONRY UNIT WORK

The first course of concrete masonry unit shall be laid in full bed of mortar, for the full width of the unit; the succeeding courses shall be laid with broken joints. Concrete masonry units with the cells vertical shall have bed-joints formed by applying the mortar to the entire tops surfaces of the inner and outer face shells, and the head joints formed by applying the mortar for a width of about 25 mm to the ends of the adjoining units laid previously. The mortar for joints shall be smooth, not furrowed, and shall be of such thickness that it will forced out of joints as the units laid are being placed in position. Where anchors, bolts, ties and reinforcing bars occur within the cells of the units, such cells shall be solidly filled with mortar or grout as the work progresses. Horizontal tie reinforcement shall be continuous and provided in the longest available lengths. Reinforcement shall be continuous and provided in the longest available lengths. Reinforcement above and below openings shall extend and be embedded into the columns, unless otherwise shown on the drawings. Splices shall overlap not less than 150 mm. Reinforcement shall be embedded in the mortar joints in such manner that all parts shall be protected by mortar. The two top courses of filler block walls shall have their cores filled with grout when placed in position.

Unless otherwise shown on the drawings, the size and spacing of vertical bars shall be as follows: For 150 mm. (6”) CHB - 12 mm. (1/2”) dia. At 600 mm. (24”) on centers For 100 mm. (4”) CHB - 10 mm. (3/8”) dia At 600 mm. (24”) on centers For horizontal bars: - 12 mm. (1/2”) dia. At 600 mm. (24”) on centers (every third course) For 150 mm. (6”) and 100 mm. (4”) CHBs.

4.4 QUALITY ASSURANCE PROVISIONS 4.4.1 SAMPLES OF MATERIALS

Sample of cement, sand, lime, reinforcing bars and concrete hollow blocks shall be submitted for inspection and approval before delivery of these materials to the site.

4.4.2 TEST AND TEST REPORTS

The test requirements stated herein or incorporated in referenced contract documents may be waived provided certified copies of report of tests from approved laboratories performed on previously manufactured materials are submitted and approved. Test reports shall be accompanied by notarized copies from the same type, quality, manufacture and make as those proposed for this project.

V. METAL

5.1 SCOPE

The work includes the furnishing, fabrication, erection or installation, complete, of all structural steel and miscellaneous metalwork in accordance with this specification unless required otherwise in the drawings.

5.2 APPLICABLE DOCUMENTS

The following specifications and standards (latest edition) but referred to hereinafter by basic designation only, shall form part of this specification:

ASTM American Society for Testing and Materials

Structural Steel

A36/A36M-88D Structural Steel

A53-88 Steel Pipe (Galvanized) Zinc

Coated and Seamless Black and Hot Dip

A307-87 Low Carbon Steel Externally and Internally

Threaded Standard Fasteners (Tentative)

A570 – 85 Steel, Cold – Rolled Steel, Carbon,

Structural Quality

AWS American Welding Society

D1.1-85 Structural Welding Code, Steel

AISC American Institute of Steel

Construction Specification for the

Design, Fabrication Erection of

Structural Steel for Buildings

AISI American Iron and Steel Institute

Specification for the Design

Light Gage Cold-Formed Steel

Structural Members

SDI Steel Deck Institute Design Manual

NSCP National Structural Code of the Philippines

5.3 REQUIREMENTS

5.3.1 GENERAL

Fabrication and erection of structural steel shall be in accordance with AISC Specification for the Design, Fabrication and Erection of Structural Steel for Buildings, except as specified herein. The Contractor shall submit to the PER for approval shop drawings showing the proposed fabrication and installation of all metal work. No work shall be started until the shop drawings have been approved, and all work shall conform to the approved shop drawings.

5.3.2 MATERIALS

1) Structural steel shapes, plates and bars, unless otherwise shown or specified on the drawings shall conform to ASTM specification A36/A36M.

2) Light-guage steel, cold formed, shall conform to ASTM specification A570 or A611, with a minimum yield point of 33,000 psi, unless otherwise shown or specified in the drawings.

3) Bolts, nuts and washers shall conform to specification ASTM A307-87, Grade A, MKT VME 385.

4) Screws and expansion bolts shall be of a standard commercial grade, as approved by the PER, and of the sizes and types indicated.

5) Electrodes for arc welding shall be E60 or E70, AWS D1.1.

6) Pipe columns and railings shall be zinc-coated steel pipe of standard weight conforming to Schedule 40.

7) Galvanizing. Unless otherwise specified, galvanizing shall be of standard quality, hot-dipped process of 1.25 ounces per square foot of coating. Galvanized surfaces that are damaged prior to final acceptance shall be repaired using an approved repair compound to the satisfaction of the PER.

8) Miscellaneous metal items including accessories, incidentals, fastenings and anchorage, not specifically mentioned herein or in other sections but are required to complete work, and for which there are no detailed drawings, shall be provided and installed in accordance with standard practice of the trades as approved by the PER.

5.3.3 FABRICATION

The work shall be well formed to the shape and size shown and assembles as detailed. Structural members shall be fabricated and assembled in the shop to the greatest extent possible. Shearing and punching shall produce a clean, true lines and surfaces with burrs removed. Connections shall be welded or bolted as indicated. Unless otherwise shown, screws in exposed work shall be countersunk. Nuts shall be drawn up tight. Joints which are to be exposed to the weather shall be watertight. Holes shall be cut, drilled or punched at right angles to the surface of the metal and shall not be made or enlarged by burning. Holes in base or bearing plates shall be drilled.

5.3.3.1 Welding of structural steel shall be in accordance with the standard code of Arc and Gas welding in Building Construction of the American Welding Society. All welding works shall be performed by qualified welders only with accredited certification.

5.3.3.2 Shop Painting. Unless otherwise specified or indicated in the drawings, all structural steel works will be painted with epoxy

5.3.4 ERECTION

The steel structure shall be erected true to line and grades. Bracing and supports shall be introduced whenever necessary to take care of all the loads to which the structure may be subjected. Such bracing shall be left in place as long as may be required for safety. As erection progresses, the work shall be securely bolted to take care of all the dead loads, wind and erection stresses. No reaming of undersize bolt holes will be permitted and erection bolts shall not be used for lining up members.

5.3.4.1 DRIFT PINS. Drift pins may be used only to bring together several parts; they shall not be used in such manner as to distort or damage the metal.

5.3.4.2 GAS CUTTING. The use of a gas cutting torch in the field for correcting fabrication errors shall not be permitted on any major member in the structural framing. Its use may be permitted only when the member is not under stress and under subject to the approval of the PER.

5.3.4.3 BASE PLATES AND BEARING PLATES. Base plates and large bearing plates shall be supported on steel wedges or shims until the supported members have been plumbed, following which the entire bearing area shall be grouted with non-shrink cement grout.

5.3.4.4 GROUTING MORTAR FOR SETTING BASE PLATES shall be non-shrinking type of grouting mortar. The mortar, subject to the approval by the PER, can either be a mixture of Portland cement, well-graded fine aggregate, aluminum powder, and water or an approved commercial grouting mortar containing non-metallic chemical oxidizing agent. If adopted, the approved product shall be delivered to the site of the work in original sealed container bearing the trade name of the manufacturer. Surfaces to receive the mortar shall be cleaned and shall be moistened thoroughly before placing the mortar. Exposed surfaces of mortar shall be water cured with wet burlap for at least seven (7) days.

5.3.4.5 SETTING-UP. Steel shall be erected plumb, level and properly guyed. In setting or erecting of structural steel, the individual piece shall be considered plumb or level where the error does not exceed 1 to 500.

VI. CARPENTRY AND JOINERY

6.1 SCOPE

The work includes carpentry and joinery, complete in accordance with this specification unless specified otherwise in the drawing.

6.2 REQUIREMENTS

6.2.1 GENERAL

The work includes furnishing of materials, equipment and labor and performing all the works on carpentry and joinery. All framing members, where not indicated or specified, shall be provided as necessary for the proper completion of the work.

6.2.2 MATERIALS

6.2.2.1 LUMBER shall be of the following species and grades unless otherwise specified in the drawings:

USE SPECIE GRADE

Jambs, transoms, mullions, headers, sills, frames

and wood base of detachable

partition Yakal or Equivalent

1) QUALITY OF LUMBER. Lumber shall be approved quality of the respective kinds required for the various parts of the work, well-seasoned, thoroughly dry, and free from large, loose, or unsound knots, saps, shakes, and other imperfections impairing its strength, durability and appearance. Door heads and jambs shall be air dried well-seasoned for at least two (2) months before use.

2) SUBSTITUTIONS. Any lumber equally good for the purpose may be substituted for the kinds specified provided that the substitution shall be acceptable to the PER.

6.2.2.2 CEMENT FIBER BOARD

Cement Fiber Board or equivalent 6 mm thick shall be used for ceiling of all comfort rooms.

6.2.2.3 CEMENT BOARD

Smart Board, 12 mm thick, supported by aluminum T-runners as shown on reflected ceiling plans shall be used for ceilings of all offices.

6.2.2.5 FASTENERS

Fasteners shall be of the type and size best suited for the purpose as shown in the drawings.

6.2.3 PRESERVATIVE TREATMENT

All lumber and plywood shall be pressure preservative treated or its equivalent, subject to the approval of the PER. Preservative treatment shall be in accordance with the manual of recommended practice of the “American Wood Preserver’s Association”. All truss members, purlins, cleats, ceiling joists and nailers shall be coated with two (2) coats of solignum or equivalent. All lumber surfaces in contact with concrete or masonry shall be coated with one (1) brush coat of asphalt paint.

6.2.4 PROTECTION AND STORAGE

Lumber shall be protected and kept under cover both in transit and at the job site. Materials shall not be delivered long before it is required for the work.

6.2.5 WORKMANSHIP

Framing lumber and other carpentry shall be fitted closely, set accurately to the required lines and levels, and shall be secured in place in a rigid and substantial manner. Spiking, nailing and bolting shall be done in an approved manner, spikes, nails and bolts shall be of the proper size and care shall be taken so as not to split the members. All frames coming in contact with concrete or masonry shall be anchored by means of nails spaced sufficiently apart all around the contact surfaces. Bolt holes shall be drilled accurately and shall have a diameter of 3 mm more than the bolt size. All exposed wood surfaces shall be smoothly dressed and it so required, shall be well sand-papered to an even smooth surface ready for finishing.

6.2.6 HARDWARE

Items of hardware to be installed shall be as directed or as specified in the drawings and shall be fitted carefully and attached securely.

VII. MOISTURE AND THERMAL

7.1 SCOPE

The work includes furnishing all the materials and performing all operations to provide waterproofing and window glass.

7.2 MATERIALS

7.2.1 WATERPROOFING

Integrated waterproofing for the water storage tank and the roof slab shall be a product of a reputable manufacturer acceptable to the PER. Damp proofing materials shall be a product of a reputable manufacturer acceptable to the PER.

7.2.2 GLASS

Glass shall be 150 mm thick cut to size as indicated in the plans and as required by the PER.

7.2.3 FASTENERS AND ACCESSORIES

Fasteners and accessories shall be as recommended by the manufacturer acceptable to the PER.

7.3 STORAGE

Corrugated galvanized steel sheets and other moulded materials shall be stacked in level sites using lumber placed at right angles to corrugated. Stacks shall be kept covered and protected from the weather and from contact with soil.

7.4 INSTALLATION

7.4.1 WATERPROOFING

7.4.1.1 General. Waterproofing shall be applied to water storage tank, roof deck and to all areas shown in the drawings or as required by the PER.

7.4.1.2 REQUIREMENTS. All concrete or masonry surfaces shall be wood-troweled smooth, firm dry, clean and free from rubbish, loose of foreign materials and obstructions. Installation or mortar cants in the angle formed by the slab and vertical surfaces as well as formation of reglet on vertical surfaces above the slab, installation of metal fittings and similar works shall be completed before waterproofing works start.

7.4.1.3 APPLICATION. Application of waterproofing materials shall be in accordance with the manufacturer’s instructions subject to the approval of the PER.

7.4.2 GLASS WINDOWS

7.4.2.1 GENERAL. Except as specified otherwise herein, all materials shall be installed in accordance with the manufacturer’s printed erection instructions. Care shall be exercised in storing, handling and installing to prevent any damage to glass flooring. The sheets shall be of the length to suit the frame spacing. Extreme care shall be exercised in. After drilling, all glass filings and burrs shall be removed from holes prior to installing fasteners and washers. Sheets damaged by over-torque fastenings. Shall be removed and new sheets applied shall be installed. Size and spacing of fasteners used in erection shall be as recommended by the manufacturer subject to the approval of the PER.

7.4.2.2 JOINT SEALING MATERIAL. Joint sealing material shall be provided to seal all joints in and around bolt holes before inserting fasteners.

7.4.2.3 FASTENING. Roofing sheets shall be fastened at required spacing to the purlins by means of self-tapping screws, hexagonal head with neoprene washers per manufacturer’s recommendation and approved by the PER.

7.5 WATER TESTING

All waterproofed surface, roof, siding and water storage tank shall be tested for water-tightness by flushing or flooding with water as directed by the PER. Flood water shall be kept on gutters for a minimum time of one (1) hour and a minimum of twenty-four (24) hours for all waterproofed surfaces. If any leak occurs the work shall be repaired or reconstructed; test shall be repeated until satisfactory result has been attained.

VIII. DOORS, WINDOWS AND GLASS

SCOPE

This Section covers the supply and installation of doors, windows and glass walls complete with frames and accessories.

8.1 DOORS

The doors, depending on their usage shall be made of glass, metal, aluminium roll-up or wood with sizes and materials as indicated in the plan.

Unless indicated in the plan, the doors will be as follows:

Type of Door Usage

Wood offices, auxiliary and utilities room,

Glass Offices

PVC Toilet doors

8.1.2 WOODEN DOORS

This item shall consist of such fabricated wooden doors complete with jambs and hardware necessary for the proper functioning thereafter as called for in this specification unless indicated otherwise in the drawings.

8.1.2.1 TYPES OF WOODEN DOORS:

a) Solid Core Door of standard thickness shall be made of hardwood or equivalent.

b) Hollow Core Flush Door using 6mm thick marine plywood.

8.1.2.2 DOOR JAMB

Door jambs shall be made of Aluminum and Yakal or equivalent.

8.1.2.3 ACCESSORIES

Locksets, hinges and flash bolts shall be either Yale or equivalent quality preferably made in USA or Germany

8.1.3 GLASS DOORS:

Glass doors shall be a minimum of 12 mm thickness attached on an aluminum frame with standard locksets, hinges and stainless door handles as indicated in the schedule of doors. Glass doors will be combined with glass walls to form a single pay items.

8.1.4 REQUIREMENTS

a) PREFITTING AND FACTORY-PRIMING OR FACTORY FINISHING. Doors with surfaces to receive paint finish shall be furnished factory primed, and pre-finished. Final finishing shall be done in site in accordance with painting and varnishing specifications.

b) ADHESIVE AND BONDS. Adhesive and bond shall be accordance with manufacturer’s recommendations for all types of door subject to the approval of the PER. Adhesive for doors with natural finish shall be non-staining.

8.1.5 INSTALLATIONS

Door shall be installed only after completion of other work. Doors shall be fitted and trimmed as required by the opening they will cover. Door shall have clearance in accordance with door manufacturer’s requirements. Doors shall be installed only by highly trained personnel and with assistance from the manufacturer.

8.2 WINDOWS

Windows, depending on their usage shall be of aluminum framed awning glass windows, reflectorized glass wall window with awning type as indicated in schedule of windows on plan.

8.2.1 REFLECTORIZED BLACK GLASS WINDOWS:

8.2.1.1 SCOPE

The work covered by this Section consists of furnishing all equipment, materials and labor in the fabrication and installation of aluminum framed windows complete in accordance with the applicable drawings and specifications. 8.2.1.2 MATERIALS

All members 25 mm x 37.5 mm aluminum frame complete with accessories. Frame members shall be of equal leg design section at point where called for by detail drawings, and continuous angle fins, as indicated on drawings, shall be furnished.

8.3 FINISH HARDWARE AND SPECIALTIES

8.3.1 GENERAL REQUIREMENTS

1) The Contractor shall provide all rough hardware required for the completion of the work, including nails, spikes, bolts, screws, etc., and shall provide and fit in place all finishing hardware.

2) The Contractor shall provide and fit in place all hardware not herein specifically mentioned but necessary to complete the work. All such hardware, should there be any, shall conform in every respects to the hardware herein specified.

3) Finishing hardware, suitable to the service required to fully equip in the most satisfactory operative condition, for all doors, windows transom sashes, drawers, lockers and other operating members throughout the project shall be furnished and installed or fitted by the Contractor.

4) Where the exact types of hardware specified are not adaptable to the finishing, shape or size of members requiring the hardware, suitable types as applicable to the same operation and quality as the corresponding individual types specified shall be furnished subject to the approval of the PER.

8.3.2 MAKE

The model numbers herein given designate the quality and style (type, design, operation, materials and finish) of hardware designed. Any other hardware equally good, may be substituted only in cases of urgent necessity and subject to the written approval of the PER.

8.3.3 FINISH

1) Unless otherwise specified, exposed surfaces shall have the following U.S. Standard Finishes:

a) US9 (Polished, Bright Brass or Bronze). Bronze surfaces exposed on exterior of building not specified to have US26 finish.

b) US26 (Polished Chromium plated over nickel or brass). Brass or bronze surfaces exposed in toilets, lavatory and all others in the exterior of the building.

c) USP (Prime Coated for Painting) Ferrous metal surfaces, unless zinc coated.

8.3.4 FASTENINGS

Fastening of suitable size, quality and type shall be provided to secure hardware in position. Machine screws and expansion shields shall be provided for securing items of hardware to concrete, brick tile or masonry instead of wood screws.

8.3.5 EXPOSED ITEMS OF HARDWARE

1) After hardware has been properly fitted, all exposed items such as knobs, plates, pulls, locks, etc., shall be removed until final coat of painter’s finish has been applied, and then hardware installed.

2) Other items of hardware that are not to be removed before painting shall be properly marked or completely covered until final coat of painter’s finished has been applied, after which such protective cover shall be removed.

8.3.6 PLACING ORDER OF HARDWARE

1) The Contractor shall schedule his order for all hardware in such a way to avoid delay in the job.

2) No request for extension of time will be entertained by the Engineer consequence to Contractor’s delay in placing his order.

3) No substitution of hardware shall be allowed due to negligence of Contractor to place his order ahead of time.

8.3.7 DOOR KNOBS, LOCK AND LATCH STRIKES

All lock and latch strikes shall be installed in door frames at the same height from the floor. Door knobs shall be so located that the center of the knob is 1.05m from the finished floor.

8.3.8 BUTT HINGES

1) Each panel of hinged doors shall be provided with two (2) butts for doors 1.50m or less in height; three (3) butts, over 1.50m high and not over 2.10m; four (4) butts, above 2.10m in height.

2) Doors of a greater height than 2.10m, unless otherwise specified, shall be provided with an additional one (1) butt for each 0.65m or fraction thereof.

3) Size of Butt Hinges required:

THICKNESS SIZE OF BUTT

OR DOOR WIDTH OF DOOR HINGES

21 mm or 25 mm 63mm (2-1/2”) (7/8” or 1”) 28 mm (1-1/8”) 75mm x 75 mm

(3”x3”)

35 mm (1-1/8”) 0.90 m (3”) or less (3-1/2” x 3-1/2”)

44 mm (1-3/4”) 115 mm x 155 mm

(4 ½” x 4 ½”)

56 mm x 63 mm 125 mm x 125 mm

(2-1/4” x 2-1/2”) (5” x 5”)

3) Where size of the butt hinges is not sufficient to allow door to clear door trim in open position, same shall be increased.

4) Unless otherwise specified, and except for toilet or water closet compartment doors, provide in all double acting doors type Nu-Jamb No. 42024-1/2 double acting hinge or approved equivalent.

8.3.9 DOOR STOPS

Wall type door stops, cast bronze or brass, of approved type or as specified shall be provided at all doors where the door or any item of hardware thereon strikes a wall, column or other construction member.

8.3.10 BUTT HINGES (MAKE)

For all doors in butt hinges, unless otherwise specified, used button tip butts, “HAGER”, “STANLEY”, U.S., or approved equivalent, highly polished and plated with non-raising pin door opening outside. For size and number to each door, refer to Section 8.1.3.8 of this section of the specifications.

8.3.11 EXTENSION FLUSH BOLTS

1) Hinged double wood doors, except bar doors and double acting door, shall be fitted on top and at the bottom with a “CORBIN” extension flush bolts No. 2879, 600mm long (24 inches), cast bronze, polished plate 169 mm x 31 mm (6-3/4” x 1 ¼”), with dust proof strike, only on the astragal side (inactive door). Equivalent “SARGENT” flush extension bolts may be used or any approved equal.

2) For high doors, the top bolt shall be provided with sufficient length of allow the flush plate within reach from the door.

8.3.12 BAR DOORS

1) Provide and fit a set gravity pivot type hinges nickel polished finish for each bar in all toilet rooms. Locally made may be acceptable subject to the approval by the PER.

8.3.13 LOCKS

The Contractor shall provide and set complete, ready for operation, one pin tumbler cylinder lock of the medium or standard type, for each door in accordance with the schedule below. U.S. standard finishes as specified in Section 8.1.5.3, shall apply to all locks, used “RUSSWIN”, “YALE”, “CORBIN”,”WEISER”,”SCHLAGE” of the Standard Type, or approved equivalent.

The trademark and plate numbers given herein are to designate only the quality, type, operation, materials and style (design) required. 8.4.14 SCHEDULE OF LOCKSET AND DOOR CLOSERS

1) Use “Yale” lockset (or any approved equivalent) series No. 5304 “Brandywine” design; U.S. 26 (bright chrome) and door closer “Yale” intermediate size No. 93 or “Corbin” door closer No. 2 (Aluminum) bronze finish (or any approved equivalent) installed complete ready for service in accordance with the manufacturer’s institutions for the doors on all classrooms.

2) Use “Yale” lockset (or any approved equivalent) series No. 5308, “Litchwood” design; U.S. 26 (bright chrome) for all toilet doors.

IX. FIRE PROTECTION SY STEM

IX. FIRE PROTECTION SYSTEM

9.1 APPLICATION

This section applies to all sections of the specifications of the Fire Protection

System for the proposed three-storey Regional Office of the Bureau of Fire Protection Region XII. Of Koronadal Integrated Public Transport Terminal Complex

GENERAL

The term Contractor under these specifications shall mean the Fire Protection Contractor who shall enter into a contract with the Owner in respect to the Fire Protection Works.

The work to be done consist of the fabrication and furnishing of all equipment, materials, labor, supervision, plant facilities, tools, tests adjustments, commissioning, full instruction after completing the job to the maintenance personnel, warranty within the specified period, and all other necessary services to complete and make operational the Fire Protection Works.

All work shall be in accordance with the governing Codes and Regulations and Specifications. In case of conflict, the governing Codes and Regulations shall govern.

Minor details not specifically mentioned in the Bid Documents, but this Contractor shall provide necessary for the proper installation and operation, as if herein specified or shown.

This Contractor is advised to examine all documents relating to his work and verify all governing conditions prior to submission of proposal. No consideration shall be given for alleged mistakes in the preparation of bids, it being understood that the submission of proposal is an agreement to all conditions stipulated in the Bid Documents.

It is the intention of these specifications and plans to call for finished work, tested and ready for operation. Whenever the word “provide” is used, it shall mean “furnish and install, complete and ready used”.

These specifications are intended to provide a broad outline of the required installation, but are not intended to include all detail design and construction. This Contractor, if requested, shall prepare the necessary submittals for Fire Protection Consultant’s approval prior to mass fabrication and installation.

9.1.2

DESCRIPTION OF WORK

The work includes providing new fire extinguishing system for the proposed Commercial Building. The equipment, materials installation, workmanship, inspection and testing shall be in strict accordance with the required advisory provisions of National Fire Protection Association Standards & Fire Code of the Philippines except as modified herein. The work includes the following:

Complete wet stand pipe and dry stand pipe system including fire department connection pipes, valves, hose valves, hose cabinet, pressure reducing valve set, etc.

Portable fire extinguishers.

Fire pump control panel and fire services control panel.

Testing and commissioning.

Provision of operating instructions and maintenance manuals.

Training of the building’s maintenance staff for proper operation of the entire system.

QUALIFICATION OF INSTALLER

Prior to installation, submit data for approval showing that the Contractor has successfully installed fire extinguishing systems, and equipment of the same type and design as specified herein, or that he has a firm contractual agreement with a contractor having such required experience. The data shall include the names and locations of at least two installations where the Contractor or the Contractor referred to above, has installed such systems. Indicate the type and design of each system and certify that each system has performed satisfactorily in the manner intended for a period of not less than 18 months.

SUBMITTALS Submit shop drawings, manufacturer’s data and certificates for equipment, materials and finish, and pertinent details for each system as specified in each individual section, and obtain approval from the PER/Engineer before procurement, fabrication, or delivery to the job site. Approval of submittal shall not relieve the Contractor of the responsibility of inspecting such material or equipment for detects or non-conforming with the specifications.

Partial submittals are not acceptable and will be returned without review. Submittals shall include the manufacturer’s name, trade name, catalog model or number, nameplate data, size, layout dimensions, capacity, project specification and paragraph reference, applicable and technical society publication references, years of satisfactory service and other information necessary to establish contract compliance of each item the Contractor proposes to provide. Photographs of existing installations and data submitted in lieu of catalog data are not acceptable and will be returned without approval.

9.1.4.1 SHOP DRAWINGS.

Drawings shall include floor plans, sectional views, wiring diagrams, and installation details of equipment, and equipment spaces identifying and indicating proposed location, layout and arrangement of items that must be shown to assure a coordinated installation.

Drawings shall indicate adequate clearance for operation, maintenance, and replacements of operating equipment devices. If equipment is disapproved, drawings shall be revised to show acceptable equipment and be resubmitted.

9.1.42 MANUFACTURER’S DATA.

Submittals for each manufactured item shall be manufacturer’s descriptive literature of catalogued products, equipment drawings, diagrams, performance and characteristic curves, and catalog cuts.

9.1.4.3 MANUFACTURER’S INSTALLATION/INSTRUCTION.

Where installation procedures or any part thereof are required to be in accordance with the recommendations of the manufacturer of the material being installed, printed copies of these recommendations shall be furnished prior to installation. Installation of the item will be not allowed to proceed until the recommendations are received. Failure to furnish these recommendations can be a cause for rejection of the material.

9.1.5 OPERATION AND MAINTENANCE MANUAL

Furnish an operation and maintenance manual as required for each item of equipment as specified in each individual section. Furnish 4 copies of the manual bound in hardback binders of an approved equivalent. Furnish one complete manual to the Engineer for review and approval within 90 calendar days after the equipment is approved, but at least 60 calendar days prior to field acceptance testing of the equipment or system.

Furnish the remaining manuals at least 60 calendar days before the contract is complete. Inscribe the following identification on the cover: the words OPERATION AND MAINTENANCE MANUAL, the name and location of the equipment or the building and the name of the Contractor. The manual shall include the names, addresses, and telephone numbers of each contractor installing equipment, and of the local representatives for each item of equipment.

The manual shall have a table of contents and be assembled to conform to the table of contents with the tab sheets of drawings folded in. The manual shall include: wiring and control diagrams with data to explain detailed operating and control of each item of equipment, a control sequence describing start-up, operation and shutdown, description of the function of each principal item of equipment; the procedure for starting; the procedure for operating; shutdown instructions; installation instructions; maintenance instructions; lubrication schedule including type, grade, temperature range, and frequency; safety performance data and parts list.

The parts list for equipment shall indicate the sources of supply, recommended spare parts, and the service organization, which is reasonably convenient to the project site. The manual shall have complete information on the equipment, controls, accessories, and associated appurtenances provided.

9.1.6 POSTED OPERATING INSTRUCTIONS

Furnish approved operating instructions for each system and principal item of equipment as specified in each individual section for the use of the operating and maintenance personnel. The operating instructions shall include wiring diagrams, control diagrams, and control sequence for each principal item of equipment.

Operating instructions shall be printed or engraved, and shall be framed under glass or in approved laminated plastic and posted were directed. Operating instructions shall be attached to or posted adjacent to each principal item of equipment and include directions for start-up, proper adjustment, operating lubricating, shutdown, safety precautions, procedure in the event of equipment failure, and other areas as recommended by the manufacturer of each item of equipment.

9.1.7 DELIVERY AND STORAGE

Equipment and materials shall be handled, stored, and protected to prevent damage before and during installation in accordance with the manufacturer’s recommendations. Damaged or defective items shall be replaced.

9.1.8 STANDARDS PRODUCTS / SERVICE AVAILABILITY

Materials and equipment shall be standard products of a manufacturer regularly engaged in the manufacture of such products, which are of similar material, design and workmanship. The standard products shall have been in satisfactory commercial or industrial use for two years prior to bid opening.

The equipment items shall be supported by service organizations. The Contractor shall submit a certified list of qualified permanent service organizations for support of the equipment that includes their addresses and qualifications.

X. SANITARY ANG PLUMBING

10.1 SCOPE

This section consists of performing essential works in furnishing and installing piping materials and materials and other mechanical devices or fixtures necessary to construct/complete the plumbing system, fire extinguishing system, etc. in accordance with this specification unless specified otherwise in the drawings.

10.2 SPECIFICATIONS AND STANDARDS

The specifications and standard references in this specification (latest edition) shall govern in all cases where references thereto are made. In case of a where references thereto are made. In case of difference between the referenced specifications or standards and this specification or its accompanying drawings, this specification and accompanying drawings shall govern to the extent of such difference, otherwise, the specifications and standards shall apply.

ASTM American Society for Testing and Materials

A53-84 Steel Pipe (Galv.) Zinc Coated and Seamless Steel Black and Hot Dip

B370-61 Copper Sheet and Strip for Building Construction

D1785-76 Polyvinyl Chloride (PVC) Plastic Pipe Schedule 40, 80 & 120

D2466-78 Polyvinyl Chloride (PVC) Plastic Pipe Fittings Sched. 40

D2564-80 Solvent Cements for Polyvinyl Chloride (PVC) Plastic Pipe and Fittings

D2729-85 Polyvinyl Chloride Pipe and Fittings

ANSI American National Standards Institute

1985 National Plumbing Code of the Philippines as Referral. Code of the National Building Code of the Philippines

AWWA American Water Works Association

C203-62 Coal-Tar Enamel Protection Coatings for Steel Water Pipe

10.3 REQUIREMENTS

10.1.1 GENERAL

The work includes furnishing and installing water piping and appurtenances, sanitary and drainage piping, vents, plumbing fixtures and miscellaneous devices as shown in the drawings and as specified herein. No plumbing fixtures, devices, or piping shall be installed that will cause a cross connection or inter-connection between potable water piping and polluted drain, soil or waste piping.

1) Standard Products.

Materials and equipment furnished under this specification shall be standard products of manufacturer regularly engaged in the production of such materials or equipment and shall be manufacturer’s latest standard that complies with the specification requirements.

2) Defective Equipment. Defective equipment or fixtures and equipment or fixtures damaged in the course of installation or testing shall be replaced or repaired by the Contractor in a manner approved by the PER/Engineer.

3) Proposed Changes.

If departures from the contract drawings are deemed necessary by the Contractor, details of such departures including changes in related portions of the work, and the reason thereof, shall be submitted, as soon as practicable after contract award, to the PER for written approval. Approved departures shall be made at no additional cost.

4) Utilities.

Water and drainage piping shall be extended to points outside the building as indicated. Pipes shall be capped or plugged for final connections with the service pipes.

5) Code Compliance.

All materials and installation shall comply with the National Plumbing Code. Unless modified by this specification.

6) Material and Equipment List and Data Sheets.

Before starting installation of any materials or equipment, the Contractor shall submit for approval a complete list of materials and equipment to be incorporated in the work. This list shall include catalog number; cuts, data sheets, and such other descriptive information as may be required. Approval of materials will be based on manufacturer’s published data, installation and roughing-in data sheets and drawing indicating compliance with the specifications.

10.4 MATERIALS

10.4.1 SOIL, WASTE, DRAIN, AND VENT PIPE AND FITTINGS

10.4.1.1 Underground and aboveground soil, waste and drain piping shall be Polyvinyl Chloride (PVC) pipe conforming to ASTM D2729 or as shown in the drawings.

10.4.1.2 Flashing.

Vent pipes shall be flashed and made watertight at the roof with 4-pound sheet lead or 16- ounce sheet copper. Flashing shall extend not less than 200 mm from the vent pipes in all directions. Flashing shall be turned down in the pipes of hubs.

10.4.1.3 Traps.

Each fixture and piece of equipment requiring connections to the drainage system shall be equipped with a metal trap. Traps installed on threaded pipe shall be recess drainage pattern.

10.4.2 WATER PIPE AND FITTINGS

10.4.2.1 Polyvinyl Chloride (PVC) Pipe and Fittings for below ground water lines; shall conform to ASTM D1785. Fittings shall conform to ASTM D2466.

10.4.2.2 Galvanized Steel Pipe for above ground water lines; shall conform to ASTM A53. Fittings shall be malleable iron, zinc-coated and screwed.

10.4.2.3 Valves shall be all brass or bronze with rough bodies and finished trimmings, except that valves on chromium-plated brass pipe shall be finished and chromium-plated.

10.4.3 PLUMBING AND FIXTURE TRIM

Plumbing and fixture trim shall be provided complete with fittings. Exposed traps and supply pipes for all fixtures and equipment shall be connected to the rough piping systems at the wall, unless otherwise indicated.

Floor plates, wall plates, and escutcheons shall be provided as required by the fixtures specified. Stops shall be used for fixture connection between earthenware fixtures and flanges on soil pipe.

10.4.3.1 Water Closets. Vitreous China, free standing toilet, Water tank flush type. 10.4.4 MISCELLANEOUS ACCESSORIES

10.4.4.1 Floor Drain.

Floor drain shall be 100 mm x 100 mm, brass nickel plated or stainless with hinged strainer, complete with P-Traps and vents.

10.4.5 OTHER FIXTURES

Other fixtures, fittings and accessories shown or not shown on the drawings but necessary to complete the work shall be provided by the Contractor and approved by the PER/Engineer.

10.5 INSTALLATION

10.5.1 WATER PIPE AND FITTINGS

10.5.1.1

Pipes shall be installed as indicated in the drawings. The pipes shall be cut accurately to measurement, established at the building by the Contractor and shall be worked into place without springing or forcing. Care shall be taken not to weaken the structural portion of the building. All piping above ground shall be run parallel with the lines of the building unless otherwise shown or noted on the drawings.

10.5.1.2

Joints. After cutting and before threading, all pipes shall be reamed and shall have burrs removed. All screw joints shall be made with graphite and oil or with an approved graphite compound applied to make threads only. Threads shall be full cut, and not more than 3 threads on pipe shall remain exposed. Caulking of threaded joints to prevent leaks shall not be permitted. Unions shall be provided where required for disconnections.

10.5.1.3 Fittings. Branches in piping and changes in pipe sizes shall be provided with necessary fittings as shown in the drawings.

10.5.1.4 Valves. Shall be provided on all supplied fixtures as specified. Where valves are indicated on the drawings in connection with run outs, risers, branches and mains, they shall be in accordance with these specifications. securely anchored and installed flushed with the finished wall; and shall be completely concealed when the fixtures are installed:

10.5.2.1 Fixture supports and fastenings. All fixtures and equipment shall be supported and fastened in a satisfactory manner.

10.5.2.2

Where through bolts are used, they shall be provided with plates or washers at back set so that head, nuts and washer will be concealed by plaster. Bolts and nuts shall be hexagonal and exposed bolts, nuts, cap nuts and screw heads shall be provided with chromium plated brass washers.

10.5.3 WASTE, DRAIN, VENT PIPE AND FITTINGS

10.5.3.1 Pipes. Horizontal soil and waste pipe shall be given a grade of 2% where possible, but in any case not less than 1%. Vent pipes in roof spaces shall be run as close as possible to underside of roof, with horizontal piping pitches down to stacks without forming traps in pipes using fittings as required. Where circuits vent pipe from any fixture or line of fixtures shall be connected to a vent line carrying other fixtures, the connection shall be at least 1200 mm above floor on which the fixtures are located to prevent the use of any vent line as waste.

10.5.3.2 Fittings.

All changes in pipe sizes on soil, waste lines shall be made with reducing fittings or recessed reducers. All changes in direction shall be made by the appropriate use of forty-five (45) degree wyes, half wyes, long sweep quarter bend, and sixth, eight or sixteenth bends, except that sanitary tees may be used on vertical stacks. Where it becomes necessary to use short radius fittings in any other locations, the approval of the PER shall be obtained before they are installed.

10.5.3.3 Union Connection.

Slip joints shall be permitted only in traps or in the left side of the trap. Tucker or hub drainage fittings shall be used for making union connection whenever practicable in connection with dry vents.

10.5.3.4 Joints. All joints shall be air and watertight. For joining pipe the following materials shall be used.

1) All PVC Pipes shall be joined by the manufacturer’s recommended adhesive as approved by the PER.

2) Threaded joints shall be American National Standard Taper Screws threads graphite and oil compound applied to the male thread. Connection between pipes and soil pipe shall be similar and the threaded pipe shall have a ring or hard coupling screwed on to form spigot end.

10.5.4 EXCAVATION AND BACKFILL

10.5.4.1 EXCAVATION. Trenches for all underground pipes shall be excavated to the required depth and grade as shown in the drawing and in accordance with Section 2.2.3 Earthwork.

10.5.4.2 BACKFILLING. Pipelines shall have been tested, inspected and approved by the PER prior to backfilling. Backfilling materials and operation shall be in accordance with Section 2.2.3 Earthwork.

10.6 QUALITY ASSURANCE PROVISION

10.6.1 TESTS

The Contractor shall conduct all tests required and shall furnish all equipment, labor and materials necessary. All defects disclosed as the result of the test shall be repaired or remedied and the system retested, until the results are satisfactory to the PER.

10.6.1.1 Water Piping shall be subjected to a hydrostatic pressure test of 100 pounds per square inch.

10.6.1.2 Sanitary Piping.

Before the installation of any fixture, the end of the system shall be capped and all lines filled with water to the roof and allowed to stand for at least 30 minutes without leakage. After the fixtures are set, a smoke or equivalent test shall be made using an approved apparatus. Test within building shall be made with piping exposed. Underground piping shall be tested before backfilling.

XI. ELECTRICAL

11.1 ELECTRICAL GENERAL NOTES:

a. all electrical installation shall be done in accordance with these plans

and specifications. The applicable provisions of the latest edition of the Philippine electrical code, the national electrical code the city or municipality electrician & the national power corporation

b. Type of electrical voltage shall be 230volts, 3phase, 60 Hz, and there

shall be only service drop wire to the building. c. Method wiring shall be pvc for both exposed and embedded work with the

proper fitting and support service entrance conduit shall be in rigid steel conduit.

d. All wall outlets shall be installed at the following height above finished

floor level, unless otherwise specified. a. Wall switches 1.40 mts b. Convenience outlet 0.30 mts c. Panel board 1.60 mts d. Kwhm 1.6 mts

e. All materials and equipment shall be new and of approved typed to both location and purpose intended

f. all lighting and convenience receptacle circuit home runs shall be wired

not less than 3.5mm2 THW copper conductor, unless otherwise indicated in the plan

g. All lighting and power panel boards shall be circuit breaker type flush

mounted or as indicated on the plan.

h. All outdoor installation shall be weatherproof. i. Unless otherwise specified, junction and utility boxes shall be provided

whenever required although such boxes are not shown on the plan. j. All electrical work herein shall be done under the direct & immediate

supervision of a duly licensed electrical engineer. k. All 8.0 mm2 THW Copper Conductor shall be purchased by spool.

11.2 GENERAL REQUIREMENTS

11.2.1 APPLICATION: This section applies to all of the works under Section 16, “Electrical”, of this project except as specified otherwise in each individual section.

11.2.2 SCOPE OF WORK: The work shall include supply and installation of equipment, materials and all other items necessary to complete the following:

a. Secondary feeders from pole mounted transformer to

service entrance pedestal and main distribution panel b. Secondary service entrance conduits from concrete

pedestal to main distribution panel c. Power feeders from main distribution panel board to lighting

and power panel boards d. Pole mounted transformers and Panel boards enclosed

circuit breakers e. All interior lighting and power wiring and raceway system f. All lighting fixtures and wiring devices g. Conduits and wiring for interior telephone system h. Painting of electrical works and equipment i. Complete testing of electrical systems and equipment

11.2.2.1 Work not included: The following are not included in the scope of work and will be done by others: a. Telephone instruments

11.2.3 CODES, INSPECTION, PERMITS AND FEES:

All work under this contract shall be installed in accordance with the latest requirements of the Philippine National Building Code, Philippine Electrical Code (PEC), Power Company and the Telephone Co., (PLDT Co.).

11.2.3.1 Permits and Fees: All construction permits and fees required for this work shall be obtained by and at the expense of the Contractor. The Contractor shall furnish the Architect, the PER and the Owner final certificates of inspection and approval from the proper government authorities after the completion of the work. The Contractor shall prepare all shop or working drawings, as-built plans and all other paperwork required by the approving authorities.

11.2.4.3 Manufacturer’s Data: Submittals for each manufactured item shall be current manufacturer’s descriptive literature of catalogued products, equipment drawings, diagrams, performance and characteristic curves and catalog cuts.

11.2.4.4 Publication Compliance: Where equipment or

materials are specified to conform to industry and technical society publications of organizations such as American National Standards Institute (ANSI), American Society for Testing and Materials (ASTM), and Underwriters Laboratories Inc. (UL), submit proof of such compliance.

11.2.5 MANUFACTURER’S RECOMMENDATIONS: Where installation procedures or any part thereof are required to be in accordance with manufacturer’s recommendations, furnish printed copies of the recommendations prior to installation. Installations of the item shall not proceed until recommendations are received. Failure to furnish recommendations shall be cause for rejection of the equipment or material.

11.2.6 ELECTRICAL CHARACTERISTICS :

Electrical characteristics for this project shall be 220 volts, three phase, 3 wire 60 hertz.

11.2.7 GUARANTEE:

The Contractor shall guarantee that the Electrical Works are free from defective workmanship and materials and will remain so for a period of one year from date of acceptance of the work. Any defects appearing within the said period shall be remedied by the Contractor at his own expense.

11.2.7.1

The Contractor shall indemnify and save harmless the Owner, the Architect and the PER from and against all liability for injuries or disabilities to persons or damage to property occasioned by any act or omissions of the Contractor or any act of his Subcontractors, including any and all expenses, legal or otherwise which may be incurred by the Owner, the Architect or the Engineers, in the defense of any claim, action or suit.

11.3 INTERIOR WIRING SYSTEMS

11.3.1 GENERAL REQUIREMENTS: Section 16.1, “Electrical General Requirements”, applies to this Section with additions and modifications specified herein. In each of the standards referred to herein, consider the advisory provisions to be mandatory, as though the work “shall” had been substituted for “should” wherever it appears. Interpret reference in these standards to the authority having jurisdiction,” or words of similar meaning, to mean the Engineers.

11.3.1.1 Underground Service:

Underground primary service conduits shall be conduits from the service entrance pole to the main distribution panel.

11.3.2 SUBMITTALS

11.3.2.1 Manufacturer’s Data a. Receptacles b. Circuits Breakers c. Switches d. Conduit and Fittings (each type) e. Ground rods f. Device Plates g. Insulated conductors h. Outlet and junction boxes

11.3.2.2 Shop Drawings: a. Panel boards b. Wire ways c. Pull boxes d. Telephone terminal cabinets 11.3.3 PRODUCTS

11.3.3.1 MATERIALS AND EQUIPMENT, GENERAL: All materials, equipment, and devices shall, as a minimum, meet the requirements of UL standards are established for those items, and the requirements of the PEC. All items shall be new unless specified or indicated otherwise.

11.3.3.2 CONDUIT AND FITTINGS:

11.3.3.2.1 Rigid Steel Conduit or Intermediate Metal

Conduit: Zinc coated steel only, Pusan, Matsushita or approved equal.

11.3.3.2.2 Rigid Non-Metallic Conduit: PVC Schedule 40,. Neltex, Emerald or Freemen.

11.3.3.2.3 Flexible Metal Conduit:

a. Liquid-Tight Flexible Metal Conduit

11.3.3.2.4 Fittings for Metal Conduit, and Flexible Metal Conduit: All ferrous fittings shall be cadmium-or zinc- coated.

a. Fittings for rigid or intermediate conduit shall

be threaded type. Split couplings are not acceptable.

11.3.4 OUTLET BOXES AND COVERS: Zinc-coated ferrous metal.

11.3.5 CABINETS, JUNCTION BOXES, AND PULL BOXES (WITH VOLUME GREATER THAN 100 CUBIC INCHES): Hot-dip zinc-coated, sheet steel.

11.3.6 WIRES AND CABLES: Wires and cables shall meet the

applicable requirements of the PEC and UL for the type of insulation, jackets, and conductor specified or indicated.

11.3.6.1 Conductors: Conductors 8 sq.mm. And smaller shall be

stranded, and those14 sq.mm. Larger shall be stranded. All conductors shall be copper.

11.3.6.1.1 Equipment Manufacturer Requirements:

Where Contractor provides equipment whose manufacturer requires copper conductors at the terminations, or requires that only copper conductors be provided between components of equipment, it shall be the Contractor’s responsibility to provide copper conductors or all necessary splices, splice boxes, and other work required to satisfy manufacturer’s requirements.

11.3.6.1.2 Minimum Conductor Sizes: Minimum size

for branch circuits shall be 2.0mm dia.; for class 1 remote-control and signal circuits, 3.5 sq. Mm.; and for class 2 low-energy remote-control and signal circuits, 1.25 sq. mm.

11.3.6.2 Color Coding:

Provide for all feeder, branch, control and signalling circuits conductors. Color shall be green for grounding conductors, and white for neutrals, except where neutrals or more than one system are installed in same raceway or box, the other neutral shall be white with a colored (not green) stripe. The color of the ungrounded conductors in different voltage system shall be 220 volts, 3- phase a) Phase A-Red b) Phase B-Yellow c) Phase C-Black.

11.3.6.3 Insulation: Unless specified or indicated otherwise, or

required to be otherwise by PEC, all power and lighting wires shall be 600-volt, Type THW or THWN, except that grounding wire may be type TW; remote control and signal circuits shall be type TW, THWN or TF.

11.3.6.4 Bonding Conductors: ASTM B 1, solid bare copper

wire for sizes 8 sq. mm. and smaller; ASTM B 8, Class B, stranded bare copper wire for sizes 14mm sq and larger.

11.3.7 SPLICES AND TERMINATION COMPONENTS: UL 486A, as applicable for wire connectors, and UL 510 for insulating tapes. Connectors for wires 2.6 mm dia. and smaller shall be insulated pressure-type, twist-on splicing connector. Provide solder less terminal lugs on stranded conductors.

11.3.8 DEVICE PLATES:

Provide one-piece device plates for outlets and fittings to suit the devices installed. Plates on unfinished walls and fittings shall be of zinc-coated sheet steel or cat metal having round or beveled edges. Plates on finished walls shall be satin finish stainless steel or brushed- finish aluminum, minimum 0.75 mm thick. Screws shall be machine type with counter heads in a color to match the finish of the plate. Plates installed in wet locations shall use gaskets. Device plates for telephone outlets shall have a 3/8 inch bushed opening in center.

11.3.9 SWITCHES: 11.3.9.1 Toggle Switches:

Totally enclosed with bodies of thermosetting plastic and a mounting strap. Wiring terminals shall be of the screw type, side wired. Switches shall be rated quiet-type ac only 230 volts, with the current rating and number of poles indicated.

11.3.10 RECEPTACLES:

NEMA WD1, grounding type. Ratings and configurations shall be as indicated. Bodies shall be of thermosetting plastic supported on a metal mounting strap. Wiring terminals shall be of the screw type, side wired. Connect grounding pole to the mounting strap.

11.3.10.1 Weatherproof Receptacles: Provide in a cast metal box with a gasket, weatherproof,

cast-metal cover plate and a gasket cap over each receptacle opening. The cap(s) shall be provided with a spring-hinged flap. Receptacles shall be UL approved for use in “wet locations”.

11.3.10.2 Special Purpose Receptacles: Receptacles serving water heater, etc. are considered

special purpose for this project. Provide in ratings indicated. Furnish one matching plug with each receptacle.

11.3.11 PANELBOARDS:

Panel boards shall be circuit breaker equipped. Design shall be such that any individual breaker can be removed without disturbing adjacent units or without loosening or removing supplemental insulation supplied as a means of obtaining clearances as required by UL. Where “SPACE ONLY” is indicated, make provisions for the

installation of a breaker sized as indicated. All panel board locks included in the project shall be keyed alike. Directories shall be keyed alike. Directories shall be typed to indicate load served by each circuit and mounted in a holder behind protective covering. Enclosure shall be as manufactured by PG Tomas, Fuji-Haya, Beta or equal.

11.3.11.1 Panel board Buses:

Support copper bus bars on bases independent of the circuit breakers. Main buses and back pans shall be designed so that breakers may be changed without machining, drilling, or tapping. Provide a separate ground bus, as indicated, marked with a green stripe along its front and bonded to the steel cabinet for connecting grounding conductors.

11.3.11.2 Circuit Breaker:

Bolt-on, thermal magnetic type with interrupting capacity as indicated. Breaker terminals shall be UL listed as suitable for the type of conductor provided. Plug-in circuit breakers are not acceptable. Circuit breakers shall be Fuji-G.E., Mitsubishi, ITE, Square D or equal. a. Multiple Breakers: Provide internal common-trip type

with a single operating handle. Breaker design shall be such that an overload in one pole automatically causes all poles to open. Maintain phase sequence throughout each panel so that any three adjacent breaker poles are connected to Phase A, B, and C, respectively. Single pole circuit breakers provided with external tripping handles for multiple circuit breaker are not acceptable.

11.4 INTERIOR LIGHTING

11.4.1 GENERAL REQUIREMENTS: Section 16.1, “Electrical General Requirements”, applies to this section, with the additions and modifications specified herein.

11.4.2 DESCRIPTION OF WORK: The work includes providing lighting

fixtures, and battery-powered units and systems for interior use, including lighting fixtures and accessories mounted on the exterior surfaces of buildings. Materials not normally furnished by manufacturers of these devices are specified in Section 16.2, “Interior Wiring Systems”.

11.4.3 SUBMITTALS:

Data, shop drawings, and reports shall employ the terminology, classifications, and methods prescribed by the IES Lighting Handbook, as applicable, for the lighting system specified.

11.4.3.1 Manufacturer’s Data: a. Lighting fixture, including lamps and ballasts b. Emergency lighting equipment

11.5 MEASUREMENT AND PAYMENT: 11.5.1 Measurement for Payment

Measurement for payment of work covered by the various sections of the Technical Specifications shall be based on the net quantity required for the work based on the drawings unless otherwise directed by the PER. Allowance for any bulking, shrinkage, consolidation or loss of material shall be measured and paid for. In the case of lump sum bid items, the value of the actual work performed shall be calculated by the PER and shall be the basis for progress payments.

11.5.2 Payment

Payment shall be made at the Contract unit price or lump sum price of the various pay items in the Bid Schedule, which payment shall constitute full compensation for furnishing all materials, labor, equipment, tools and other construction contingencies including profit, fees, and other expenses comprising the total and complete cost of all the work involved in each work item as shown in the plans, and as specified in this Technical Specification and the Special Provisions and as directed by the PER. When the contract does not include a contract pay item for associated or ancillary work required to complete the work specified in the Bid Schedule, the cost shall be considered as included in the price paid for the listed bid item.