Submit shop drawings in accordance with Vale Specification SPEC

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1 1/8 1.0 PURPOSE This specification describes the minimum requirements for Roll-up Rubber Doors. The latest standards, codes and regulations apply to all other requirements not specifically mentioned. In case of a conflict Vale will furnish a written interpretation. This door system consists of a roll-up type action combined with a Styrene Butadiene Rubber (SBR) curtain..0 DRAWINGS The following drawings form part of this specification: B Rubber Roll Up Doors Plans, Elevations and Details 3.0 GENERAL 3.1 MANUFACTURER S DRAWINGS Submit shop drawings in accordance with Vale Specification SPEC Include schedule identifying each unit, with door marks and numbers relating to numbering on drawings and door schedule if any. The drawings will clearly show thickness of materials, construction details, attachments and reinforcing for hardware and other pertinent information. For power operated doors the above will also include electrical schematic drawings. Indicate mortises, reinforcements, anchorages, locations of exposed fasteners, openings (glazed, paneled or louvered) and arrangement of standard hardware. Units will not be ordered until the respective drawings have been approved. Verify all dimensions with job conditions before fabricating. Submit shop drawings well in advance of required fabrication to avoid construction delay. 3. DELIVERY AND STORAGE Deliver, store and handle units so as to prevent twisting, warping and damage. Do not remove units from crates or other protective covering until ready for installation. Supply and install hardware in accordance with the approved shop drawings.

2 /8 3.3 DESIGN CRITERIA Design vertical lift door curtain and assembly to withstand the wind load as per the Building code. A minimum design wind load of 0 psf within door opening area, unless noted higher on the project drawings or higher value is calculated as per the Building Code. The door design shall be such that the jambs, weight box, guides and drive mechanism for a column required to carry and transfer the entire weight of the door and counterbalancing mechanism down to the floor. At the same time, transferring lintel wind load to the jambs. 4.0 CURTAIN Curtain to be composed of SBR (Styrene Butadiene Rubber) material, 1/4" thick c/w one-ply, 110 lbs. nylon cord centre, tensile strength 1740 psi, 60 to 65 durometer, providing normal resiliency and flexibility at temperatures ranging from -40 deg.f to 150 deg.f. Provide curtain with windloks on vertical edges of the rubber curtain. Bottom of curtain to be notched at bottom bar bolt locations to eliminate possible curtain damage due to accidental impacts and provide ease of bottom bar removal. Curtain to have reflective strips running the full width and on both sides of the rubber curtain at the 6-0 level for safety purposes. 5.0 BOTTOM BAR A bottom bar is to extend the full width of the lower edge of the rubber curtain to maintain the bottom edge of the curtain parallel to the door threshold at all times. Provide a "break-away" centre section to reduce risk of damage during accidental impacts and provide ease of straightening during re-assembly. 6.0 SPRING COUNTERBALANCE BARREL The rubber curtain is to be coiled on a barrel of sufficient size to carry the door load with a deflection of not more than.03" per foot of opening width and is to be evenly balanced by 100,000 cycle, oil-tempered, helical outboard torsion springs.

3 3/8 GUIDES The guide assemblies are to be constructed to maintain the windloks within the guides at curtain pressures of up to 0 lbs. per square foot, while enabling the windloks to disengage at pressure higher than 0 lbs. per square foot. 7.0 END BRACKETS The end brackets are constructed of 1/4" steel plate c/w sealed, heavy-duty, self-aligning bearings with cast iron housings to support both the spring and idler barrels. Bearings to be load-rated at 580 lbs. dynamic and 3460 lbs. static. 8.0 FINISH All metal to be prime-coated and factory-finished in the manufacturer's standard colour. Paint system is to be in accordance with Standard SPEC ELECTRICAL OPERATION Electric door operators to be CSA and UL approved, extra heavy-duty gearhead-type c/w pre-wired, number-coded, wall-mounted control cabinet. Motors shall be IEEE 841 Certified (1 HP or larger). Allow for the following speeds: DOOR OPENING Max Door Speed up to 150 sq. ft. 4 IPS sq. ft. 18 IPS sq. ft. 1 IPS sq. ft. 10 IPS Operator to be equipped with rotary screw-type limit switches to control open and close door positions as well as a solenoid-operated brake system c/w 360 deg. external compressing brake shoe to stop and hold door in any position. Operator to be equipped with built-in manual emergency chain hoist, with a floor level disconnect device. Built-in electrical interlock to prevent motor operation during use of manual chain hoist CONTROL PANEL WIRING Power wiring must be a minimum of 14 AWG stranded copper.

4 4/8 Control wiring to be a minimum of 16 AWG stranded copper. Provide 600 volt insulated single conductor, stranded (seven strands minimum) copper heat and flame retardant wiring rated 105 deg.c. Provide wiring in continuous lengths, without splices between connection points, installed in channels or neatly tied and clamped to panel. Terminate all wiring on terminal blocks if not terminated on devices. No more than one (1) wire at any one terminal is acceptable, except where a jumper wire is necessary. Identify all wires at both ends with permanent sleeve type wire markers, with wire numbers as shown on the manufacturer s control schematic drawings ENCLOSURE Panel enclosure must be rated EEMAC 1 unless otherwise specified. Door to be hinged with provision for padlock. A warning sign stating the highest voltage to be encountered within the panel must be prominently displayed on the door. 1.0 FUSIBLE DISCONNECTING MEANS Disconnecting means must be an EEMAC rated flange operated visible-blade disconnect switch. Flange mounted operating handle must be interlocked with the enclosure door such that the door cannot be opened with the switch in the closed position unless a defeater is deliberately operated. Motor circuit fuses shall be Class C. Provide label stating maximum fuse sizes CONTACTORS Contactors must be EEMAC rated and a minimum of size 1. Coils must operate on 10 volts AC and to be electrically and mechanically interlocked to prevent energization of up and down contactors simultaneously OVERLOAD PROTECTION An overload relay must be provided complete with 3 heater elements appropriately sized to protect the motor from thermal damage.

5 5/ GROUNDING Green insulated bonding conductors must be provided between the enclosure, the backpanel, and the door. Provide terminals for connection of bonding conductors from cables entering the panel ENTRAPMENT PROTECTION Door operation and external entrapment protection shall comply with UL Standard 35 Door, Drapery, Gate, Louver, and Window Operators and Systems ACCEPTABLE MANUFACTURERS Acceptable manufacturers of electric operators are as follows: Manaras Door Lec - Canada - Canada 18.0 MANUAL OPERATION (FOR POWER FAILURE) Provide manual chain hoist with galvanized steel endless hand chain. Chain hoist to be of sufficient capacity so as to operate door at a maximum pull requirement of 0 to 30 lbs. Sprocketing for door and operator shafts to be connected by #50 ANSI chain and sprocketing and to allow for the door speeds as described earlier in this section TRAVELLING WINDBAR Doors in excess of 140 sq. ft. opening area to be equipped with travelling windbars to enable maximum door operating speeds during periods of excessive windloading or negative pressure. Windbar barrel to be constructed of 4" O.D. mechanical steel tubing with a minimum wall thickness of.134" and supported by 1-1/4" x.19" wall mechanical steel tubing shafts at either end. Travelling windbar shafts to be fitted with -3/4" O.D. solid steel rollers c/w.750" CR shafts and sealed radial bearings. Rollers to travel in 3" x 11 ga. roll-formed galvanized tracks mounted vertically on each guide.

6 6/8 Travelling windbar to be raised or lowered during door operation by " x.065" thickness 100% polyester straps, tensile strength 6000 psi. 0.0 EXECUTION Examine all applicable drawings to determine structural steel framing and architectural details which will affect door installations, provisions for supports and connection for operators, track and mounting hardware. Examine completed work on which door installation is dependent. Determine whether sufficient headroom and clearances are provided. Immediately report to the "Vale" representative discrepancies, if any, in the drawings or in field conditions which will affect the installation. 1.0 INSTALLATION Install the doors in strict accordance with the manufacturer's printed instructions. Erect and secure the units square and level, free from warp, twist or superimposed loads. Set and fasten the tracks and guide assembly, operator and counterbalance in correct alignment within safe tolerances which will ensure uniform bearing of the door rollers on the tracks along the full length of the tracks, and proper travel of the door sections without binding. The completed assembly must be placed in correct operating condition. When closed, the doors must make weathertight closure along all edges and joints..0 WARRANTY The manufacturer must furnish a written warranty against defects in workmanship and materials for a period of five (5) year from date of acceptance of the installation. The warranty must be provided prior to release of final holdback payment. 3.0 REFERENCE DOCUMENTATION The following documents are related to this specification and shall be used to their latest revision: SPEC-0801 SPEC-1001 SPEC SPEC-1400 SPEC SPEC SPEC Vendor, Fabrication, and Shop Drawing Requirements Masonry Requirements Cast-in-Place Concrete Structural Steel Quality Requirements Steelwork - Fabrication Steelwork Erection Epoxy System for Steel Heavy Industrial and Underground.

7 7/8 SPEC-1600 SPEC OBC CSA ANSI CGSB EEMAC UL SSPC Caulking - Interior Sealants Building Code Canadian Standards Association American National Standards Institute Canadian General Standards Board Electrical and Electronic Manufacturers Association of Canada Underwriters Laboratories Steel Structures Painting Council

8 8/8 4.0 REVISION AND TRANSITION NOTES Revision notes describe: what was changed, and if applicable, why it was changed, and the plan to implement the change, including whether changes are retroactive. Note: The revision notes are a summary of the changes and may not necessarily be a complete list. A risk code is entered for each revision and if applicable, the revision notes will describe how risk was addressed for the revision. Risk Code A Risk Category This revision is a minor change and/or introduces no risk. B C Risk has been addressed for this revision by the reviewer and approver. Low risk or no new hazards identified. For this revision, a PHR or other risk management tool has been used to address risk and minimize hazards. This risk assessment has been documented and is available through Central Engineering. Rev 1 Revision Notes Document format and number changed to suit updated Vale Engineering Document System. This specification replaces former standard Rev Risk Code Approved by Reviewed by Issue Date YYYY/MM/DD --- A.A. A.A. 013/1/ Review Format updated no other changes A A.Alaeddine M.Verrilli