DS-CS-08 - Steel Buildings Rev 0

ENGINEERING SPECIFICATIONS

Steel Buildings

DS-CS-08

Rev Date Description Author Checked By Approval Technical

Approval Management

0 2007/08/24 Issued for Use JG KD JG RS

Table of Contents

1.0 Scope 3

2.0 Reference Documents 3

3.0 Documentation 5

4.0 Definitions 6

5.0 Design Requirements 6

6.0 Heating and Ventilation 7

7.0 Materials 7

8.0 Accessories 9

9.0 Permanent Building Safety Fall Arrest System 11

10.0 Structural Steel Coatings 11

11.0 Handling and Storage 12

12.0 Preparation or Erection 12

13.0 Erection 12

14.0 Clean-Up 12


Steel Buildings

DS-CS-08

Issue: 2007/08/24 Rev. 0

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1.0 Scope

1.1 This specification covers the design, materials, accessory items and erection of prefabricated steel rigid frame and self framing buildings.

2.0 Reference Documents

2.1 Steel buildings shall be in accordance with the latest editions of the following regulations, codes, standards and specifications. In all cases where more than one regulation, code, standard or specification applies to the same conditions, the most stringent one shall apply. Conflicts among any of the provisions of these listed codes, standards or specifications shall be referred to Husky for resolution.

2.2 Industry Reference Documents

Canadian General Standards Board (CGSB)

CGSB 41-GP-6M Sheets, Thermosetting Polyester Plastics, Glass Fiber Reinforced

Canadian Institute of Steel Construction (CISC)

CISC Code of Standard Practice for Structural Steel for Buildings

CISC Handbook of Steel Construction

Canadian Standards Association (CSA)

A440 Window, Door, and Skylight Insallation

B167 Safety Standard for Maintenance and Inspection of Overhead Cranes, Gantry Cranes, Monorails, Hoists, and Trolleys

C22.1 Canadian Electrical Code, Part I

C22.2 Canadian Electrical Code, Part II

C22.3 Canadian Electrical Code, Part III

G40.20/40.21 General Requirements for Rolled or Welded Structural Quality Steel/Structural Quality Steel

G164-M Hot Dip Galvanizing of Irregularly Shaped Articles

S16 Limit States Design of Steel Structures

S136 Specification for the Design of Cold Formed Steel Structural Members

W47.1 Certification of Companies for Fusion Welding of Steel

W48 Filler Metals and Allied Materials for Metal Arc Welding

W59 Welded Steel Construction (Metal Arc Welding)

W178.1 Certification of Welding Inspector Organizations

W178.2 Certification of Welding Inspectors

Z259.2 Self-Retracting Devices for Personal-Fall Arrest Systems


Steel Buildings

DS-CS-08

Issue: 2007/08/24 Rev. 0


Canadian Sheet Steel Building Institute (CSSBI)

CSSBI Publication No. 18.26-78 Metric Practice Guide Steel Deck and Cladding

CSSBI 10M Standard for Steel Roof Deck

CSSBI 20M Standard for Sheet Steel Cladding for Architectural, Industrial & Commercial Applications

CSSBI 30M Standard for Steel Building Systems

CSSBI Sheet Steel Facts No. 6 Metallic Coated Sheet Steel for Structural Building Products

American Society for Testing and Materials A123 Specification for Zinc (Hot Dip Galvanized) Coating on Iron and Steel

Products

A307 Standard Specification for Carbon Steel Bolts and Studs, 60,000 psi Tensile Strength

A325 Standard Specification for Structural Bolts, Steel, Heat Treated, 830 MPa Minimum Tensile Strength

A490 Standard Specification for High Strength Steel Bolts, Classes 10.9 and 10.9.3 for Structural Steel Joints

A653/A653M Sheet Steel, Zinc-Coated (Galvanized) or Zinc-Iron Alloy Coated (Galvannealed) by Hot-Dip Process, Structural (Physical) Property

A924/A924M General Requirements for Sheet Steel, Metallic Coated by Hot-Dip Process

D2244 Standard Practice for Calculation of Colour Tolerances and Colour Differences from Instrumentally Coloured Coordinates

American National Standards Institute

ANSI 359.1 Safety Requirements for Personal Fall Systems, Subsystems and Components

ANSI Z97.1 Safety Glazing Materials Used in Buildings

National Building Code of Canada

Provincial Building Codes

Provincial Health and Occupational Safety Act

2.3 Related Husky Documents

DS-CS-01 Structural Engineering Design Criteria

DS-CS-02 Supply and Fabrication of Structural Steel

DS-CS-03 Erection of Steel Structures

PS-MW-05 Paint


Steel Buildings

DS-CS-08

Issue: 2007/08/24 Rev. 0


3.0 Documentation

3.1 Design drawings shall conform to the requirements of Section 4 of CSA Standard CAN/CSA-S16.

3.2 All design documentation including calculations and drawings required for construction shall be stamped and signed by a Professional Engineer registered in the respective province that the project is being executed.

3.3 Prior to preparation of construction drawings for buildings, preliminary drawings showing plan and elevations of each building shall be submitted to Huskys Engineer for approval.

3.4 The Contractor shall submits copies of shop and erection drawings and bills of materials to Huskys Engineer for approval, at least, 2 weeks prior to the start of fabrication, unless noted otherwise in the project documents.

3.4.1 Fabrication will not begin until the shop and erection drawings have been approved by Huskys Engineer. If corrections are required the Contractor shall make the required changes to the drawings and re-submit the drawings for approval.

3.4.2 Where building design is by the Contractor, the shop and erection drawing shall bear the seal of a Professional Engineer registered in the province where the project is being executed.

3.4.3 The shop and erection drawings shall provide: Details of all members and their splices and connections, Connection design details providing information for the preparations of shop detailing and

fabrication, The marking and position of each member, including any temporary bracing and

connections required for the erection.

3.5 Review and approval of the Contractors drawings by Huskys Engineer does not relieve the Contractor of responsibility for completeness, accuracy, details, and conformance with codes and standards.

3.6 If welding is involved in the erection of steel structures, the Contractor shall submit a copy of the following certificates or qualifications to Huskys Engineer for review and approval at least 14 days before the start of welding:

Canadian Welding Bureaus welding certificate for the company undertaking welding, per CSA W47.1, Division 1 or 2.1.

Canadian Welding Bureaus approved welding procedures to be used, per CSA W59-M. Canadian Welding Bureaus qualification test record(s) of the welder(s) or operator(s) per

CSA W47.1.


Steel Buildings

DS-CS-08

Issue: 2007/08/24 Rev. 0


4.0 Definitions

4.1 Husky means Husky Oil Operations Ltd. or its designated representatives.

4.2 Huskys Engineer means the Engineer responsible for the integrity of the project regarding structural design. This could be an EPCM consultant working on behalf of Husky.

4.3 Contractor means the entity that supplies, fabricates and installs the building including all sub-contractors.

4.4 Huskys Inspector means the person authorized for inspection on behalf of Husky.

4.5 Huskys Representative means the person at the construction site that represents Huskys interests.

5.0 Design Requirements

5.1 The building design shall be carried out by a qualified Professional Engineer who is registered to practice in the province where the structure will be located. All drawings shall be stamped by the Professional Engineer.

5.2 Where engineering design is by the Contractor, the foundation design loads and reactions shall be included on the building drawings.

5.3 Where engineering design is by the Contractor, preliminary foundation loads and reactions shall be provided by the Building Vendors with the quotation.

5.4 The buildings shall be designed to be weathertight.

5.5 Design Loads

5.5.1 The building shall be designed for the environmental design data found in the Provincial Building Code and in accordance to Part 4 and the Appendices of the Provincial Building Code and National Building Code of Canada.

5.5.2 Design of rigid frame and bracing shall be based on the assumption that the columns are hinged at the base and that anchor bolts are installed snug-tight.

5.5.3 The maximum permitted drift shall be 1:300, or 1:400 for building structures that support cranes.

5.5.4 The building shall be designed to accommodate the following additional loads, unless specified otherwise on the Drawings: Rigid Frame Process Type Building

10 kN on each rafter midway between apex and eaves, 15 kN on each column at two-thirds of the eave height with an eccentricity of 300mm on the strong axis, 10 kN compressive load at the top of each column, Traveling cranes, monorails, HVAC equipment, and any other loads that may be listed in the data sheets or in the scope of work.


Steel Buildings

DS-CS-08

Issue: 2007/08/24 Rev. 0


Rigid Frame Electrical Type building 1 kPa uniform load hung from the building frames or end gables and applied to the entire area of the building.

Self Framing buildings

0.25 kPa uniform load hung from the underside of the roof lining.

6.0 Heating and Ventilation

6.1 Building HVAC will preferably be designed for the building by a Professional Engineer registered to practice in the Province where the structure will be located. In lieu of an HVAC system designed by a Professional Engineer, refer the heating and ventilating general guidelines below.

6.2 Ventilation Guidelines

6.2.1 All buildings shall be ventilated to provide 3 changes per hour minimum, unless specified otherwise below.

All buildings shall have one 300 mm x 300 mm intake louvre mounted high and one exhaust fan mounted low for every 30 m2 of building volume. Louvres and fans shall be evenly spaced and on opposite building walls to provide complete ventilation of the building with no dead spaces. Buildings smaller than 30 m2 shall have as a minimum one 300 mm x 300 mm intake louvre and one 300 mm x 300 mm exhaust fan.

Larger louvres and fans shall be considered as the building size dictates. Before increasing size from the standard 300 mm x 300 mm ensure there is adequate building coverage. The only large sizes that should be used are 600 mm x 600 mm and 900 mm x 900 mm, or manufacturers nearest equivalent.

For buildings located in an electrically classified area, contact the Project Electrical Engineer for requirements regarding minimum air changes in the building.

For buildings with equipment designed to handle toxic or flammable materials provide a minimum of 6 air changes per hour.

For buildings with equipment designed to handle toxic or flammable materials and containing an open flame provide a minimum of 30 air changes per hour.

6.3 Heating Guidelines

6.3.1 Building heating shall be designed with the capability of maintaining temperatures above freezing, unless noted otherwise in the project documents.

7.0 Materials

7.1 Structural Steel

7.1.1 All material shall conform to or exceed CSA Standard G40.21-M, Grade 350W.

7.1.2 Purlins and girts may be fabricated from light gauge steel conforming to S136.

7.1.3 Structural steel shall be free of mill scale, rust, dirt, oil and other deleterious matter.


Steel Buildings

DS-CS-08

Issue: 2007/08/24 Rev. 0


7.1.4 The minimum thickness of any element for main structural sections shall be 6mm for hot rolled structural sections. Main structural sections can be defined as members required for the overall stability and integrity of the structure. Elements thinner than 6mm, but not less than 4.8mm, may be used for secondary and miscellaneous sections.

7.2 Fasteners for Structural Steel

7.2.1 All shop connections shall be welded in accordance with CSA Standard W59.

7.2.2 All field connections shall be bolted using high-strength bolts conforming to ASTM A325.

7.3 Wall and Roof Panels

7.3.1 The cladding for walls shall be galvanized sheet steel conforming to ASTM A924M with a Z275 zinc coating and shall have baked enamel finish.

7.3.2 The exterior cladding for self framing buildings roof and wall panels shall be minimum 22 gauge, depending upon loading and span.

7.3.3 The exterior cladding for rigid frame buildings roof and wall panels shall be minimum 24 gauge, depending upon loading and span.

7.3.4 Husky standard building colours, based upon the 8000 series by Stelco/Dofasco are:

Walls and Roof Gold Spec no. QC-8276 Doors and Trim Metro Brown Spec no. QC-8228 Interior White White Spec no. QC-8317

7.3.5 The interior cladding shall be 24 gauge for rigid frame and 26 gauge for self framing buildings.

7.3.6 The interior cladding shall be steel galvanized and painted the same quality as the cladding.

7.3.7 The insulation shall be a minimum of RS1 3.65 (R20) for roof and RS1 2.13 (R12) for wall, unless noted otherwise on the drawings.

7.3.8 A 6 mil polyethylene vapour barrier shall be provided between the interior cladding and insulation.

7.3.9 Translucent roof and wall panels shall be double glazed translucent panels, which are fire retardant, and light stabilized. Panels shall be designed to withstand roof snow loads and have minimum light transmission of 70%.

7.4 Flashing and Trim

7.4.1 Flashing or trim shall be provided and caulked at windows, doors, openings, eaves, gables, ridges, end walls and pipe openings as necessary to ensure weather tight joints.

7.4.2 Flashing shall be shop formed where practical.


Steel Buildings

DS-CS-08

Issue: 2007/08/24 Rev. 0


7.4.3 Flashing shall be of the same materials and gauge as the respective inside and outside panel sheets.

7.4.4 Base flashing shall be provided around the entire building perimeter and securely fastened to the building floor.

7.4.5 Unless noted otherwise on the drawings, base flashing for buildings on steel skids shall extend from the under side of building wall to grade.

7.5 Sealing

7.5.1 Sealants and closure strips shall be as recommended by the building manufacturer to provide a weathertight structure. Liner panels shall have sealant factory applied to joints as recommended by the manufacturer.

7.6 Fasteners for Sheet Steel

7.6.1 Fasteners for interior liner sheets shall be self tapping sheet metal screws applied in accordance with manufacturers recommended methods.

7.6.2 Fasteners for exterior roof and wall panels shall be #14 x 20 mm hexagonal head screws type A with conical shaped neoprene bonded washer. Fasteners shall be stainless steel or shall be coated with 1.0 mil Dyko zinc chromate plating.

8.0 Accessories

8.1 Windows

8.1.1 Windows shall conform to the requirements of CSA A440.

8.1.2 Windows shall be manufacturers standard industrial horizontal sliding type, of galvanized steel or aluminum construction.

8.1.3 Safety glass shall be provided for all windows.

8.1.4 Windows shall be double glazed.

8.1.5 Window openings shall be framed and finished and shall be complete with bug screens and locks.

8.2 Doors

8.2.1 Mandoors shall be 915 mm x 2135 mm x 45 mm thick, 18 GA. industrial type steel insulated RSI 2.13 (R-12) metal swing doors.

8.2.2 Mandoor frames shall be 16 GA galvanized steel equipped with an extruded aluminum door stop having a continuous weather strip insert which provides a positive weather seal.

8.2.3 All mandoors shall have a 600 mm x 600 mm x 6 mm internal wire glass stationary window in the top half of the door, meeting ANSI Z97.1.

8.2.4 Threshold and sweep shall be of all metal construction and provide a positive weather seal.


Steel Buildings

DS-CS-08

Issue: 2007/08/24 Rev. 0


8.2.5 A canopy extending a minimum of 600 mm from the building and 300 mm on either side of the door opening shall be provided above doors located at sides of buildings. Canopies are not required on gable ends. Canopies shall be gable type, made from 3.4 mm pre painted steel, minimum, strong enough to carry weatherproof outdoor light fixture, dead load, snow load, impact load due to snow and ice falling from roof.

8.2.6 Sliding doors shall be industrial steel frame type RSI 2.13 (R-12) metal backed insulated when installed in insulated buildings. They shall be provided with rubber fabric drags and door tracks and trolleys shall have weather proof boxing.

8.2.7 All exterior hinged doors shall be provided with interior emergency panic hardware, hydraulic door closers, thresholds, check chain, latch handles, wind chain and locksets.

8.2.8 Hardware parts shall be of corrosion resistant materials.

8.2.9 Overhead transoms shall be provided where shown on the drawings. The size (height) of the transom shall be as noted on the drawings.

8.3 Maintenance Access Doors (Roll-Up Doors)

8.3.1 Overhead roll up doors, when specified, shall be RSI 2.13 (R-12) metal backed insulated complete with geared chain hoist, wall mounts, guides, tracks, roller shaft and counter balance spring.

8.3.2 Doors shall have sufficient strength to withstand the specified windload.

8.3.3 Maintenance access doors shall be manually chain operated, unless noted otherwise on the drawings.

8.4 Removable Panels

8.4.1 Removable access panels shall have exterior and interior panels as well as insulation of the same materials as the remainder of the building. The framed wall opening shall be of galvanized steel construction and minimum 18 GA thickness and shall have an exterior lap piece which the removable section butts against. The access panels shall be equipped with galvanized handles and barrel bolts which fasten into the 18 GA framed opening.

8.5 Ventilators and Louvres

8.5.1 Ridge ventilators, where specified on the drawings, shall be 0.8 mm galvanized or aluminized steel equipped with floor level chain operated damper control and insect screens.

8.5.2 Bird screens shall be installed in vent openings.

8.5.3 Dampers shall be butterfly type, chain operated from 1500 mm above floor level at building wall.

8.5.4 Louvres, complete with bird screens, shall be manufacturers standard, manually adjustable, galvanized or aluminized steel, and weather proof when closed.


Steel Buildings

DS-CS-08

Issue: 2007/08/24 Rev. 0


8.5.5 Where exhaust fans are required, back draft louvres shall be provided complete with screens, storm heads and filters.

8.5.6 Explosion proof fans are required as specified by the Project Electrical Engineer.

8.6 Eavestroughs, Downspouts and Ice Rakes

8.6.1 Buildings shall be complete with matching (trim colour) eavestroughs and downspouts. Ice rakes shall match the roof colour.

8.6.2 The downspouts shall come with extensions to drain the water a distance of 1500mm away from the building. There shall be a minimum of 3 concrete blocks at the outflow of the downspouts to reduce erosion. The concrete blocks shall be 900mm x 600mm x 38mm, or similar.

8.6.3 Ice rakes shall be provided along the entire length of the roof eaves. The ice rakes shall be constructed from 76mm x 76mm x 6.4mm steel angle complete with 9mm prongs on 150mm centers.

9.0 Permanent Building Safety Fall Arrest System

9.1 The building shall be provided with an engineered permanent safety fall arrest posts complete with attachments at eave and apex locations for use with retractable lifelines and comply with all manufacturers instructions and regulations for the safety fall arrest system.

9.2 The safety fall arrest system shall comply with the following standards:

CSA-Z259.2-M1979 ANSI-Z359.1 Occupational Safety and Health Act and Regulations

9.3 The fall arrest anchors shall be designed for a minimum load of 22 kN per support.

9.4 The wall/roof penetrations resulting from the safety fall arrest posts shall be sealed in such a way as to reduce maintenance required to keep the building weathertight.

10.0 Structural Steel Coatings

10.1 Painting of structural steel, where specified, shall conform to the following Husky Specifications:

DS-CS-02 Supply and Fabrication of Structural Steel

PS-MW-05 Paint


Steel Buildings

DS-CS-08

Issue: 2007/08/24 Rev. 0


11.0 Handling and Storage

11.1 All building products shall be clearly marked in accordance to the erections drawings and shipping list. The markings shall remain legible until installation.

11.2 All materials shall be packed, crated, blocked, and transported in a manner so that no damage occurs during loading, transportation, and unloading.

11.3 All materials will be stored on site in such a manner so that no damage or deterioration occurs due to exposure to weather or damaging physical contact.

11.4 All materials shall be handled during installation as specified on the erection drawings. Care shall be taken so that damage due to exposure to weather or damaging physical contact does not occur.

11.5 In the event of damage, repairs or replacements of materials shall be made expeditiously by the Contractor and to the approval of Husky. The repairs and replacements will be completed at the expense of the Contractor.

12.0 Preparation or Erection

12.1 The Contractor shall verify the locations and elevations of the as-built foundations, anchor bolts and other relevant items before erecting the steel structures. Huskys Representative shall be notified immediately of any non-conformances or discrepancies.

12.2 The Contractor shall check the minimum grout thickness for steel structure base plates before erecting the columns. Unless otherwise specified in the project documents or approved by the Huskys Engineer, the minimum grout thickness shall be 25 mm.

12.3 The Contractor shall provide all necessary protection to adjoining existing facilities to prevent damage during the erection of steel structures. Adjacent painted or coated steel surfaces, including those underneath the spots to be welded, shall be properly covered during welding to prevent damages to the coating or paint.

13.0 Erection

13.1 Structural members shall be fastened to the foundation using anchor bolts conforming to ASTM A307 for buildings on concrete foundation (by others), and using structural bolts conforming to ASTM A325 for buildings on structural steel foundations (by Building Contractor).

13.2 The nuts for the anchor bolts for the buildings on concrete foundations shall be installed snug-tight.

13.3 Structural steel framework shall be provided at all openings in walls and roof. Structural steel shall be provided for tie members and for base fasteners.

13.4 The contractor shall be responsible for all touch-up painting.

14.0 Clean-Up

14.1 At the completion of Work, the Contractor shall remove from site all tools, equipment, surplus materials and debris resulting from the Contractors operations and shall leave the site in a clean and acceptable condition.