Part 3 Execution 3.1 FABRICATION
2.3 MATERIALS .1 Control Systems:
.1 Clutch Operated: Engineered heavy duty chain drive pulley operating system consisting of metal clutch housing and locking plug containing minimum 6 ribs and inserted at minimum of 57mm into roller tube. Lift torque enhancement provided by Counter Balance System with integrated spring support module. Utilization of adjustment-free
continuous qualified T304 stainless steel ball chain with 49.9 kg (110 lbs) breaking strength for precise control, smooth operation and ensuring a uniform look. Chain tensioner to be compliant with WCMA safety standard A100.1-2010 and must prevent the clutch system from moving the roller shade through lowering and raising if not properly installed as specified in ANSI Standard Section 6.5.2. Components will be maintenance free from adjustments or lubrication for trouble-free operation.
.2 Dual Roller Shades: Universal mount steel brackets with 2 separate solar and room darkening blackout roller shades operating independently from each other.
.3 Roller Tube: Circular-shaped aluminum tube extruded from alloy and temper 6063 T-6. 2”outside diameter extruded tube to have a .063” wall thickness (2.5”
outside diameter to have a .079” wall thickness). Heavily reinforced with minimum six internal ribs providing additional tensile strength and allows for secure placement of clutch & end plug.
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.4 Heavy Duty Tube Bearing Plug: Die cast metal and reinforced idler assembly containing spring loaded end plug with positive locking wheel allows for up to 7/8”
adjustment and provides for a secure installation and removal of shade. Locking tube bearing plug contains minimum 6 ribs and inserted a minimum of 2-3/8” into roller tube.
.5 Bottom Bar: Extruded aluminum weight in a Sealed Pocket Hem Bar, or RB Bottom Bar for fabrics that are not seamable. Bottom bar is for tracking adjustments and provides uniform look.
.6 Mounting Hardware: Manufacturer’s standard heavy duty bracket constructed of hardened 3mm thick steel to support full weight of shade with bracket & screw hole covers to provide uniform look. Integrated leveling device for enhanced level adjustment of overall shade. Locking mechanism on bracket adapter provides for a secure installation and removal of the shade.
.7 Fascia: L shape removable aluminum extrusion valance that attaches to brackets and conceals roller shade.
.8 Blackout System: Extruded aluminum side channel with concealed mounting brackets. Bottom bar with nylon wool pile to prevent light leakage.
2.4 FABRICATION
.1 Shade measurements shall be accurate to within +/- 3mm or as recommended in writing by manufacturer.
2.5 FABRICS
.1 Black-out Shades:
.1 Openess: 0%
.2 Product: GreenScreen X-Lite
.3 Colour: as selected by Consultant from manufacturer’s standard colour range.
.2 Room Darkening Shades:
.1 Openess: 1% openness.
.2 Product: GreenScreen Eco
.3 Colour: as selected by Consultant from manufacturer’s standard colour range.
Part 3 Execution 3.1 EXAMINATION
.1 Verification of Conditions: verify conditions of substrates and surfaces to receive roll down blinds previously installed under other Sections or Contracts are
acceptable for product installation in accordance with manufacturer's instructions prior to roller window shades installation.
.1 Visually inspect substrate in presence of Consultant.
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.2 Inform Consultant of unacceptable conditions immediately upon discovery.
.3 Proceed with installation only after unacceptable conditions have been remedied and after receipt of written approval Consultant.
3.2 INSTALLATION
.1 Install shades at exterior windows as indicated.
.2 Include centre brackets where necessary to prevent deflection of head rail.
.3 Adjust to provide for operation without binding.
.4 Use non corrosive metal fasteners for installation, concealed in final assembly.
3.3 ADJUSTING
.1 Adjust roller window shades components for correct function and operation in accordance with manufacturer's written instructions.
.2 Lubricate moving parts to operate smoothly and fit accurately.
3.4 CLEANING
.1 Progress Cleaning: clean in accordance with Section 01 74 11 - Cleaning.
.1 Leave Work area clean at end of each day.
.2 Final Cleaning: upon completion remove surplus materials, rubbish, tools and equipment in accordance with Section 01 74 11 - Cleaning.
3.5 PROTECTION
.1 Protect installed products and components from damage during construction.
.2 Repair damage to adjacent materials caused by roll down blind installation.
3.6 SCHEDULE
.1 All Exterior Windows in Rooms 114, 115, 116, 119, 120, 122, 130, 136, 137, 138, 139, 204, 210, 211, 214, 215, 216, 217, 218, and 219: Room Darkening Shades .2 All Exterior Windows in Room 121 and 207: Black-out & Room Darkening
Shades
END OF SECTION
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Issued For Tender PART 1 - GENERAL
1.1 Scope of Work .1 Supply and install equipment and materials as specified.
1.2 Reference
Standards
.1 NBC, National Building Code of Canada.
.2 NPC, National Plumbing Code of Canada.
.3 CSA B52-05 Mechanical Refrigeration Code.
.4 CSA B51-09 Pressure Vessels .5 CSA B149.2-15
1.3 Related Work .1 Section 23 05 10 - Mechanical - General
1.4 Fixtures and Trim .1 Architectural drawings to govern in determination of number and location of fixtures.
.2 Exposed plumbing brass to be chrome plated.
Provide caulking between fixtures and wall, counters, and floors where required.
.3 All fixtures and trim to be CSA certified.
PART 2 - PRODUCTS
2.1 Fire Department Connection
.1 4" Stortz, location as indicated, compatible with local fire department
.2 Polished bronze exposed with identifying sign cast on plate. Threaded metal caps and chains
.3 General: Mount in locations as shown on the drawings.
2.2 Domestic Water
Piping
.1 Domestic Water Piping: Type K copper tubing to ASTM B88 for all exposed water supply piping.
.1 Fittings: cast bronze threaded fittings, Class 125 and 250, to ANSI/ASME B16.15;
bronze pipe flanges and flanged fittings, Class 150 and 300, to ANSI B16.24; Cast copper, solder type, to ANSI B16.18;
wrought copper and copper alloy, solder type, to ANSI B16.22.
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Issued For Tender .2 Joints: solder/brazing to contain less than
0.2% lead and to suit application; Teflon tape for threaded joints; rubber gaskets, 1.6 mm thick, to ANSI/AWWA C111/A21.11;
bolts, nuts, hex head, and washers to ASTM A307, heavy series.
2.3 Refrigerant Piping .1 CSA B51 rated, hard drawn copper tubing, ASTM B 88 type k or L, sized as per the manufacturers
installation instructions.
2.4 Refrigerant Piping Insulation
.1 Insulation: 12mm closed cell flexible elastomeric foam insulation, complete with adhesives, tape and insulated pipe supports, 0.036W/mK minimum, flame spread of 25 or less, smoke development rating of 50 or less.
2.5 Propane Piping .1 Piping and fittings to CSA-B149.1-15. Schedule 40 black steel piping to ASTM A53. Fitting to be malleable iron or steel to ANSI B16.3. Joints to be threaded to ANSI B1.20.1. Joint sealant to be certified to CAN/ULC-S642.
PART 3 - EXECUTION
3.1 Refrigerant Piping .1 Install piping and equipment in accordance with manufacturer's written instructions.
.2 All fitting shall be brazed and registered in accordance with B51.
.3 Perform all field tests outlined in CSA B52-09.
Test system piping at design pressure (or pressure relief device setting) for a minimum of 2 hrs.
.4 Recapture R22 refrigerant for re-use in accordance with FHR Notice, manufacturer's instructions and B52. Filter refrigerant prior to recharging system.
.5 Perform start-up and commissioning of equipment after system has been tested and charged. Include start-up report in G.C.s Operation and Maintenance Manual.
.6 Any work done on a halocarbon air conditioning or refrigeration system that is owned and/or managed by ECCC must be done in accordance with the Environmental Code of Practice for Elimination of Fluorocarbon Emissions from Refrigeration and Air
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Issued For Tender Conditioning Systems, 2014 including the following;
.1 In the event that a halocarbon containing system must be charged, a leak test will first be performed. If a leak is detected for a halocarbon containing system, the owner of the equipment (and contract authority) must be informed of the leak as soon as possible.
.2 If a leak test is conducted on a piece of air conditioning or refrigeration equipment, the contractor will affix a notice containing ALL of the information as required in Schedule 2, item 2 of the FHR 2003: a) name and address of owner of the system, b) name of operator of the system, c) specific location of the system d) description of the system e) name of certified person, f) certificate number g) name of employer of certified person h) type of halocarbon in the system i) charging capacity of the system j) date of last two leak tests.
.3 No halocarbon shall be knowingly released from a refrigeration or air conditioning system, or from a fire extinguishing system (unless to fight a fire).
.4 Any work done on an air conditioning, refrigeration, or fire extinguishing system that may result in a release of a halocarbon, the halocarbon shall first be recovered into a container designed for that purpose.
.5 In the case of a leak resulting in a release of greater that 100kg, or of unknown weight from a unit with a capacity equal to or greater than 100kg, the contractor must report the release within 24 hours to Environment & Climate Change Canada at 1-800-667-7525 and immediately inform your ECCC contact. A verbal or written report must be submitted within 24 hours followed by a written report within 14 days of detecting the release.
.6 The contractor must report all halocarbon releases over 10 kg. If a leak is greater than 10kg and less than 100kg a written report must be filed. Written reports for releases of this size must be sent to the owner of the equipment within 14 days of detecting the release.
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Issued For Tender
.7 Upon servicing a halocarbon-containing system, the service log book for the unit shall be completed by the contractor.
.8 Before dismantling, decommissioning or destroying any halocarbon containing system;
the halocarbon(s) will be recovered and a notice shall be affix to the system. The notice will meet the requirements listed in Schedule 2, Item 3 of the FHR 2003. Copy of notice to be provided to ECCC Representative.
.9 The contractor is familiar with the definitions, and prohibitions outlined in the Federal Halocarbon Regulations, 2003.
(SOR/2003-289)
3.2 Propane System .1 Propane piping to be replaced. Purge system prior to commencement of work in accordance with
reference standards.
.2 Provide new regulator and set to 11" wc. Install isolation valve upstream of regulator. Extend vent to a minimum of 3' from building opening.
.3 Assemble piping using fittings manufactured to ANSI standards.
.4 Paint exterior steel piping with minimum 2 coats of corrosion resistant paint.
.5 Purge piping in accordance with reference standard and re-fire all propane equipment.
.6 Coordinate work to minimize downtime of system.
Propane system shall not be out of service for more than 24hrs.
END OF SECTION
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Issued For Tender
1 General .1 This section covers items common to all sections of Division 21, 22, 23 and 25 and is intended to
supplement the requirements of Division 1.
.2 When reference is made to Codes and Standards in these specifications, the most recent edition of the Code or Standard is assumed
.3 All work carried out as part of this contract shall be in compliance with the Federal Halocarbon
Regulations, 2003 (FHR 2003) pursuant to the Canadian Environmental Protection Act, 1999
2 Scope of Work .1 Requirements include the provision of all labour and materials to carry out the installation of the mechanical components of the envelope upgrades at the Environment Canada Combined Services Building in Whitehorse, YT, as described in these
specifications. The scope of work includes, but is not limited to the provision of the following items:
1. Revisions to the automatic sprinkler system drain piping and fire department connection.
2. Relocation of wall hydrants as shown on the drawings.
3. Removal and refit of remote readout for water meter.
4. Removal and refit of existing ventilation wall louvers as shown on the drawings.
5. Removal and replacement of existing ventilation wall hoods.
6. Modifications to propane tube heater exhaust venting.
7. Repainting of exterior propane piping.
8. Removal and refit of existing refrigerant piping and commissioning/start-up of equipment 9. Removal and refit of existing fume exhaust fan,
and exterior stainless steel ducting.
10. TAB, Record Drawings and O&M Manuals.
11. Seismic Restraint and Vibration Isolation.
3 Seismic Restraint
Systems
.1 The Contractor shall retain a seismic engineer registered in Yukon to determine the seismic
restraint requirements for this project and become the Engineer of Record for this discipline.
Verification and certification to the satisfaction of the Authorities Having Jurisdiction will be required prior to Substantial Completion.
4 Materials .1 Standard of Acceptance means that item named and specified by manufacturer and/or catalogue number
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Issued For Tender forms part of specification and sets standard regarding performance, quality of material and workmanship and when used in conjunction with a referenced standard, shall be deemed to supplement the standard.
.2 Equipment and material shall be installed and tested in accordance with the detailed
recommendations of the manufacturer. Where there is a discrepancy between the drawings and/or the
specifications and the manufacturer's written
installation instructions, the most stringent shall be followed.
.3 All materials shall be CSA certified.
5 Intent .1 Work shall be in accordance with the specifications and their complete with all necessary components, including those not normally shown or called for, and ready for operation before acceptance.
6 Responsibility .1 Promptly advise the Owner of any specified
equipment and/or material which appears inadequate or unsuitable; in violation of laws, ordinances, rules, or regulation of authorities having
jurisdiction; of any necessary items of work omitted from the Contract Documents; or of any discrepancies in the Specification.
.2 Check drawings of all trades to verify space and headroom limitations for work to be installed. Co-ordinate work with all trades and make changes to facilitate a satisfactory installation. Make no deviations to the design intent involving extra costs to the Owner without the Owner's written approval.
.3 Ensure that equipment does not transmit noise and/or vibration to other parts of the building as a result of poor installation practice.
.4 Pay for permits required by the Authority Having Jurisdiction. Arrange for applicable inspections.
.5 Prior to tendering, a site visit is recommended for the Contractor to familiarize himself with local and existing conditions on which the work is
dependent. No additional charges will be considered for items which are not concealed.
7 Workmanship .1 Workmanship shall be in accordance with well established practice and standards accepted and
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Issued For Tender recognized by Engineer and the Trade.
.2 The Owner shall have the right to reject any item of work that does not conform to the Contract Documents and accepted standards of performance, quietness of operation, finish, and appearance.
.3 Employ only tradesmen holding valid Trade
Qualification Certificates. Tradesmen shall perform only work that their certificate permits.
Certificates shall be available for inspection by the Engineer.
.4 On request by the Owner, the Contractor shall demonstrate thorough knowledge of system and equipment being installed.
.5 Only a certified and licensed technician may install, service, leak test or charge a halocarbon containing equipment that is owned and/or managed by ECCC.
8 Drawings and
Measurements
.1 Drawings are generally diagrammatic and are intended to indicate the scope and general
arrangement of work. Do not scale the drawings.
.2 Consult the architectural drawings and details for exact locations of fixtures and equipment. Obtain this information from the Engineer where definite locations are not indicated.
.3 Take field measurements where equipment and material dimensions are dependent upon building dimensions.
9 Equipment
Installation
.1 Provide unions and flanges to permit equipment maintenance and disassembly and to minimize
disturbance to piping and duct systems and without interfering with building structure or other
equipment.
.2 Provide means of access for servicing, disassembly, and removal of equipment and components including permanently lubricated bearings.
.3 Pipe equipment drains to floor drains.
.4 Line up equipment, rectangular cleanouts and similar items parallel to or perpendicular to building walls.
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Issued For Tender 10 Protection of
Openings
.1 Protect equipment and systems openings from dirt, dust, and other foreign material with materials appropriate to system
11 Electrical .1 Electrical work is to conform to Division 26 specifications. The following electrical work is included in Division 25.
.1 All conduit, wiring, and connections 50V and under relating to mechanical systems
including installation of transformers. Refer to Division 26 for further clarification.
12 Pipe Hangers and
Supports
.1 Fabricate hangers, supports and sway braces in accordance with the most recent edition of ANSI B31.1 and MSS-SP58. Support from structural members with three piece clevis hangers. Use copper plated hangers for copper piping.
.1 Standard of Acceptance: Myatt.
.2 Space hangers as per manufacturer's recommendations, and as follows:
.1 Plumbing piping: to most stringent requirements of Canadian Plumbing Code, Territorial Code, or authority having jurisdiction.
.2 Propane piping: to most stringent requirements of CAN/CSA-B149 or
authority having jurisdiction.
.3 Within 12" of each horizontal elbow.
.4 Within 12" of each expansion joint.
.5 Not less than one hanger at joints of flexible joint roll groove pipe.
.6 Copper: rod diameter 10mm, spacing as follows: operating position. Adjust hangers to equalize load.
13 Escutcheons .1 On pipes passing through walls, partitions, floors,
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Issued For Tender and ceilings which are not concealed.
.2 Chrome or nickel plated brass or Type 302 stainless steel, one piece type with set screws.
.3 Outside diameter to cover opening or sleeve.
.4 Inside diameter to fit around finished pipe.
14 Sleeves .1 Pipe sleeves: at points where pipes pass through concrete and exterior walls.
.2 Schedule 40 steel pipe.
.3 Sizes: minimum 6mm clearance all around, between sleeve and un-insulated pipe or between sleeve and insulation.
.4 Terminate sleeves flush with surface of concrete floor, and 1" proud of other penetrations.
.5 Fill voids around pipes:
.1 Where sleeves pass through exterior walls or concrete, caulk with water resistant
caulking.
.2 Ensure no contact between copper tube or pipe and ferrous sleeve.
15 Tests .1 Give 72 hours notice of date for tests, during regular working hours.
.2 Insulate or conceal work only after testing and approval by Engineer.
.3 Conduct tests in presence of Engineer.
.4 Bear costs, including propane, for all testing under this division and Division 26, retesting, and making good.
.5 Prior to tests, isolate all equipment or other parts which are not designed to withstand test pressures or test medium.
.6 Piping:
.1 General: maintain test pressure without loss for 4 hours unless otherwise specified.
.2 Test domestic water, drainage, waste, and vent piping to NBC Plumbing Code and authorities having jurisdiction.
.3 Hydraulically test hydronic piping systems at 100 psig.
.4 Test fuel propane systems to CAN/CSA-B149 and
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Issued For Tender authorities having jurisdiction.
16 Drain Valves .1 Minimum NPS 3/4 unless otherwise specified:
straight pattern bronze with hose end male thread.
.2 Locate at all low points and section isolating valves unless otherwise specified.
17 Shop Drawings and Product Data
.1 Submit shop drawings as required in individual sections of Division 21, 22 and 23. Do not proceed with work until relevant submissions are reviewed by Owner.
.2 Shop drawings and product data shall show:
.1 Mounting arrangements.
.2 Operating and maintenance clearances. eg.
access door swing spaces.
access door swing spaces.