Crane-Way Doors

Section 08341-Crane-Way Doors

Part 1-General

1.1	Related Documents

A.	 Drawings and general provisions of the contract, including general and supplementary conditions and division 1 specifications apply to this document.

1.2	Summary

A.	The work in this section includes:

1.	Crane-way swing doors–manually operated.
2.	Crane-way top hung swing doors-power operated.
3.	Door Operators.
4.	Door Controls.
5.	Door Hardware.
6.	Design of all components and operating system to make door system fully operational.

A.	Related Sections

1.	Division 5 Section-Structural Steel.
2.	Division 9 Section-Painting.

1.3	Submittals

A.	General:  Submit each item in this article according to the conditions of the contract and division 1 specifications.

B.	Product data includes but not limited to the following:

1.	Submit drawings showing details of Construction, installation and operation;  Size, shape and thickness of materials; joints and connections; reinforcing; hardware; mechanical devices; electrical devices; and design and detail data for work of other trades affected by Crane-way doors.

2.	Diagrams and performance and characteristic curves of equipment and systems.

3.	Shop painting and finishing specifications.

4.	Design data, catalog cuts and descriptive literature edited to show fully, but only, the Crane-way door components required.

5.	Engineering design calculations for mechanical & door drive systems.

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6.	Submit complete schematic wiring diagram, with complete location of controls with the runs of conduit, location of junction boxes and full details of control mountings.

7.	Submit complete manuals containing instructions for proper operation and maintenance of the doors to the owner.

They shall contain complete:

A.	Operating instructions
B.	 Maintenance & lubrication instructions
C.	A suggested list of spare parts
D.	A manufacturer’s catalog for each component in or on the doors

1.4	Guarantee

	The equipment furnished under the specifications shall be guaranteed for a period of one 
year, from the date of acceptance there of, either for beneficial use or final acceptance, whichever is earlier against defective materials and workmanship.  Upon receipt of notice from the owner of failure of any part of the guaranteed equipment during the guarantee period, the affected part or parts shall be repaired or replaced by at the expense of the contractor.

1.5	Quality Assurance

1.5.1	Manufacturer’s Qualifications

A.	Only crane-way door manufacturers who have had experience in the manufacture of Crane-way doors and who are now regularly engaged in the design  and manufacturing of the type of door specified and can submit evidence of installations of comparable design, construction and size with proven durability will be qualified for work of this section.

B.	Acceptable Manufacturer: International Door, Inc. – Canton, MI, USA, 
Tel: 734-459-3000.

1.5.2	Installer’s Qualifications

The installation supervisor shall be an authorized representative of the door manufacturer.  Mechanics shall be skilled and experienced in the erection of Crane-way doors of type and size required for this project.

1.6	Delivery, Storage and Handling

Deliver materials which are not shop installed in containers, boxes or crates bearing the manufacturer’s name, brand and model number.  Store materials and equipment in locations with adequate ventilation, free from dust and water, and so as to permit access  for inspection and handling. Handle with care to prevent damage.  Remove damaged items that can not be restored to like new condition and provide new items.

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1.7	Design Requirements

A.	Door Design:  The Crane-way doors shall be designed by the manufacturer in    
Accordance with the criteria specified.  Doors shall operate without binding, interference, or damage to weather stripping.  Doors shall fit closely and be free from warping.

B.	 Steel Design:  AISC S335, AISI SG-673.

C.	Structural Performance:  Provide Crane-way doors capable of withstanding the effects of gravity loads and the following loads and stresses without evidencing permanent deformation of door components.

D.	Wind Load:  Uniform pressure (velocity pressure) of 15 bf/sq. ft. acting inward and outward in accordance with ASCE 7-95.  Maximum deflection under full design load shall be 1/120 of span.

PART 2- Products

2.1	Manufacturers and Products

A.	Manufacturer: Subject to compliance with requirements.  Provide products as manufactured by International door, Inc. (734) 459-3000, or approved equal by the Architect and Owner.

B.	Model # IDI-CRW-2002

2.2	Material

A.	Structural Steel:  AISC S335 and ASTM A 36/A 36M or ASTM A572 GRD50.

B.	Formed Steel:  AISI SG-673.

C.	Sheet Steel:  ASTM A 569/A 569M hot-rolled steel sheet, commercial quality, or ASTM A 366/A cold-rolled steel sheet, stretcher grade, commercial quality.

D.	Galvanized Steel:  ASTM A 569/A 653M, coating designation G 90 galvanized steel sheet, commercial quality.

E.	Interior/Exterior Covering:  Flat galvanized steel liner sheets, 14 gage or thicker as required by the door designer’s analysis.

F.	Insulation:  Provide insulation that:

1.	Contains no asbestos;
2.	Is permanently secured in place behind the exterior covering; and
3.	Has a flame spread rating of 75 or less and a smoke-developed rating of 100 or less when tested in accordance with ASTM E 84.

G.	Cold-Formed Steel Members:  Cold-formed steel primary framing members shall be 
not less than ¼ inch thick.
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H.	Performance:  Maximum leakage rate of installed shall not exceed 4 cfm per lineal foot of door leaf.  Flow rates are at a pressure difference of 0.30 inch of water.

I.	Wire Rope: Wire rope shall be classified and certified by original manufacturers to be elevator rope.  Select size and classification to be required by design calculations and manufacturers’ load tests.  Minimum safety factor shall be 6.25.

2.3	Construction

A.	Doors

1.	Frames and Framing: Doors shall be of welded construction.  Joints shall develop 100 percent of the strength of the framing members.  Members shall be continuous throughout the height or width of the door.  When required, prepare splices to facilitate field assembly in accordance with standard practice.  Frames and framing members shall be true to dimensions and square in all directions; no leaf shall be bowed, warped or out of  line in  the vertical or horizontal plane of the door opening by more than 1/8 inch in 20 feet.  Provide diagonal bracing so that the completed leaf assembly will be braced to withstand shipping, assembly and operational loads.  Exposed welds and welds which interfere with the installation of various parts such as cover sheets shall be ground smooth.

2.  Exterior and Interior Cover Sheets: Where flat sheets are attached as either 
exterior and interior sheets, the clear unsupported area attached as either exterior covering or interior liner sheets, the clear unsupported area shall not exceed 25 square feet.  Make edges of exterior sheets weather tight with sealant.   

B.	Hinges shall be heavy duty with minimum required as shown on plans.  Hinges shall be designed to support design loads with 5.0 factor of safety.

C.	Locking pins, mechanically operated and interlocked with door operator are required at both bottom door guides joints.  Locking pins and support frame shall be designed  to withstand wind loads on hinged door and main door without consideration of locking pins.

D.	 Wind struts shall be capable of withstanding wind loads on entire Crane-way door and swing door without consideration of locking pins.

E.	Control panel shall be NEMA 12 rated.

F.	Motor operator shall have 3 HP, 1800 RPM, 460 V, 3-phase, 60 HZ motor with heavy duty worm reducer.  Capacity of reducer shall be greater than four times design load.

G.	Push buttons shall operate under constant pressure.

H.	Indicating lights shall be clearly visible during broad daylight from a distance of 300 feet.

I.	Starters:  Provide magnetic reversing starters in NEMA ICS 1, Type 12 enclosures equipped with access door-controlled, fussed safety disconnect switches.  Starters 

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Shall be factory wired with overload and under voltage protection, mechanical and electrical interlocks, auxiliary contacts, relays and timing devices as required, control 
Circuit transformers and a numbered terminal strip.  The control circuit transformer shall reduce the voltage in the control circuits to 115 or less, and shall conform to UL 506.

J.	Limit Switches: Provide limit switches to prevent over travel and bumping.  Provide for Crane-way door to stop in the fully open and fully closed positions.  The limit switches shall be positive acting, snap action, lever arm type with actuating cams designed with sufficient over travel to permit the door to come to a complete stop without overtravelling the limit switches.

K.	Warning Devices:  Provide a clearly audible signal on Crane-way door system.  The warning device shall:

1.	Operate when the push button is actuated for movement of the door system in 
Either direction;

2.  Sound 5 seconds before the door moves, and while the door is moving; and consist 
of not less than a 6 inch diameter bell (min. 100 dB at 10 feet) or equivalent decibel-rated horn, loud enough to be heard in the hangar and on the apron.

2.4	Door Operation

A.	Swing door must be open before Crane-way door can be operated.

B.	Crane-way door must be closed and locked before swing doors can be operated.

C.	Indicating lights for Crane-way door and lock positions.

D.	Locking device in locked position to prevent door operation from either up or down position.

E.	Moving crane in the building shall be interlocked with Crane-way door operation in such a way that when crane is in the vicinity of swing of Crane-way door, the door operation should not be possible.  

2.5	Weathering

A.	Weather Stripping:  Provide adjustable and readily replaceable material.  Provide on 
Vertical edges, sills and heads to afford a weather tight installation.

B.	Neoprene:  Use flat-type, two-ply, cloth-inserted neoprene or extruded, double flap, 
single or dual opposed solid neoprene material on vertical edges and sills.  The two-ply material shall have a minimum thickness of 1/8 inch and shall be retained continuously for its full length and secured with rust-resistant fasteners 12 inches o.c.

C.	Fasteners:  Either zinc-coated or calcium-plated steel.

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Part 3- Execution

3.1	Protective Coatings

3.1.1	Shop Painting

Before shipment all steel members and hardware shall be painted one (1) sprayed on coat of rust-inhibitive primer.  All steel shall be thoroughly cleaned prior to painting to remove all oil, rust and other foreign material.  Machined surfaces and neoprene weathering shall not be painted.

3.2	Erection

Assembly doors and accessories in accordance with approved shop drawings.  Do not erect until the work of other trades in preparing the opening has been completed.  After completing erection and before starting field painting, clean interior and exterior door surfaces.  Clean abraded surfaces, field welds, and field bolts; and coat with priming paint.  Field painting as specified in Section 09900, “Painting”.

3.3	Field Quality Control

A.	Manufacturer’s Field Services:  Provide an authorized representative of the door manufacturer to supervise erection of doors.

B.	Acceptance Test

1.	Contractor shall perform complete operating tests for all door leaves.  Perform no less three complete opening and closing cycles, all safety controls, and no such other tests as specified in the Contractor’s approved door test procedure plan.  Notify the Owner’s Representative a minimum of seven (7) days prior to the beginning of door tests.

2.	Any defects disclosed by the tests shall be corrected, final adjustments of the doors operating equipment shall be turned over to the Owner in a completely acceptable and proper operating condition.  Tests of previously defective items repaired or replaced by the contractor shall be accomplished at no additional cost to the owner.

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