ERECT-A-TUBE, INC. BI-FOLD DOOR TEE-HANGAR SPECIFICATIONS

1.0 Tee hangars shall be supplied by a manufacturer who is regularly engaged in the manufacture of aircraft hangar buildings and hangar doors. The tee hangar package shall be supplied as a complete system and furnished by a manufacturer who provides hangar doors and hangar buildings as an integral hangar building package. The hangar manufacturer shall have been engaged in the manufacture for a minimum of five years and upon request from owner provide a list of completed hangar projects. The hangar building shall be as manufactured by Erect-A-Tube, Inc., Box 100, Harvard, Illinois 60033, (815) 943-4091.

1.2 Alternate Manufacturers - Bidders shall base their bids on furnishing steel buildings manufactured by Erect-A-Tube, Inc. unless a product substitution has been submitted for a different manufacturer, and provided such product substitution is approved in writing by the Engineer/Owner prior to the bid date, via written addendum to the specifications. In the event Contractor wishes to submit an alternate building manufacturer for consideration by the Engineer/Owner, the Contractor shall submit to the Engineer/Owner, a minimum of 14 days prior to the bid date, a complete technical proposal based on the alternate system, including the following material: equipment brochures, detailed technical data sheets, detailed drawings, detailed dimensional layout diagrams, detailed operational description, evidence of manufacturing capability and experience of outside major fabricator.
If any of the above materials specified for the product substitution proposal are not included in the product substitution proposals, those proposals shall be considered nonresponsive and incomplete and shall be rejected by the Engineer/Owner.
In addition to the above material, all product substitution proposals on the basis of alternate building manufacturer must include a list of five (5) existing applications supplied by the alternate manufacturer of comparable complexity and functional capability, along with a list of the names of the applications, names of the operating and owner personnel, telephone numbers and addresses so that the list can be used for the purpose of references by the Engineer/Owner. The proposal shall also include detailed information regarding redesign of foundations required for alternate manufacturer plus an itemized estimate of all costs that will result directly or indirectly from acceptance of such alternate manufacturer including costs of redesign and claims of other Contractors affected by the resulting change. In the event the contract is based on an alternate building manufacturer, it is the Contractor's responsibility to see that the alternate manufacturer provides a system that meets the complete detailed functions specified herein.

2.0 Hangar sizes shall be as defined below:

2.1 Width shall be as measured from center line to center line of endwall columns.

2.2 Length shall be as measured from center line to center line of endwall columns.

2.3 Eave height shall be as measured from the top of the eave purlin or door truss to the bottom of column baseplate.

2.4 Bi-fold hangar door size shall be the clear opening.

3.0 Primary structural framing shall be main load carrying structural members. They shall include door trusses, rafters, interior columns and exterior columns.

3.1 Rafters shall be steel wide flange beams "W" shaped ASTM A36 and shall be prepunched for purlin connections, door truss, and interior column connections. Rafters shall be complete with factory-welded ridge splice plates, and designed to support specified loads.


3.2 Door truss shall span width of bi-fold hangar door opening and shall be shipped full length for ease of construction. Door truss design shall be integral with door design. Door truss shall be factory welded with chords 4" x 4" x 1/8" minimum square structural welded steel tube ASTM A500 GR.B. and 3" x 1" x 1/8" minimum diagonal webbing. Door truss shall be prepunched for column connection and bi-fold door hinges prelocated on upper door truss chord.

3.3 Door columns shall be manufactured of steel wide flange beams "W" shapes ASTM A36 and shall be W6 x 15 pounds per foot minimum with prewelded base plate and door truss saddles.

3.4 Interior column shall be square structural welded steel tube ASTM A500 with prewelded base plates and girt clips.

4.0 Secondary framing shall be the structural members which carry the loads to the primary framing systems; and shall include the purlins, girts, wind bracing and miscellaneous structural members.

4.1 Purlins shall be nominal 8" deep "Z" shaped members; and shall be manufactured of 16, 14, or 12 gauge steel designed for specified loads, and shall be fabricated of material based on the requirements of ASTM A570 or ASTM A572 as applicable.

4.2 Exterior wall girts shall be fabricated from 4" square structural weld steel tube or rolling formed cee sections of ASTM 570 or ASTM A572 as applicable.

4.3 Interior partition girt shall be fabricated from 4" x 16 ga. red oxide steel "CEE" sections, when specified.

4.4 Provide wind bracing, rafter bracing, sheeting angles where required.

5.0 Structural field connections shall be bolted (unless otherwise noted). All primary bolted connections, as shown on manufacturer's drawing, shall be furnished with high strength bolts conforming to the physical specifications of ASTM A-325 or shall be Grade 5. All Grade 5 bolts shall be zinc plated.

6.0 All structural members shall be shop primed red oxide.

7.0 Roof sheets shall be 26 ga. galvalume coating conforming to ASTM specification A-792 with panel configuration with 1-1/8" min. high major ribs 12" on center. Panel coverage shall be 36" and shall be furnished full length from building eave to ridge purlin. A pre-formed ridge cap shall be provided.

7.1 Galvalume coating shall be as provided by Bethlehem Steel Corporation Bethlehem, PA 18016.

8.0 Wall sheet shall be 26 ga. Galvalume coating conforming to ASTM specification A446 with a siliconized polyester coating. Panel configuration shall be 1-1/8" min. major ribs 12" on center. Wall sheet shall be furnished full height.

8.1 Siliconized polyester coating shall be as provided by Dexter Midland Division, The Dexter Corporation, and shall be Dexstar 850 and conform to ASTM D-523-67 (72) (1), ASTM D-2794-74, ASTM D-968, ASTM D-2247-68, ASTM B-117-68.

9.0 Partition sheet shall be 29 ga. Galvalume. Panel configuration shall be full height or 8'-0" high, as specified.

10.0 Building trim shall include eave trim, gable trim, corner trim, service door trim, bi-fold hangar door trim. All trim shall be 26 ga. and manufactured of flat stock material equal in quality to wall sheets and color as selected from manufacturer's standard color chart. Trim pieces shall be packaged for shipment at factory.

10.1 Roof caulking shall be at all roof sheet side laps and at pre- formed ridge caps. Roof caulk shall be a tape sealant type and shall be pre-formed butyl rubber base and shall be supplied as a 3/16" x 3/8" extruded shape.

10.2 Inside and outside semi-rigid cross-linked polyethylene foam closure shall be provided as required to provide a bird proof building. Inside closure shall be self-adhesive.

10.3 Fasteners provided as follows:

10.3A Roof fasteners shall be #12-14x1" Atlas Ultimate zinc-alloy head on carbon steel shank, hex head, with dual seal washer.

10.3B Roof stitch screws shall be #12x3/4" A.B. Atlas Ultimate zinc-alloy head screws with washers.

10.3C Wall fasteners shall be #12-14x1" hex head color match self-drilling sheet metal screws with washer.

10.3D Wall sheet stitch screws shall be 1/4"-#14x3/4" hex head color match self-drilling lap screw with washer.

10.3E Partition sheet fasteners shall be #12-3/4" hex head zinc plated self-drilling screws.

10.3F All sheet metal screws shall be installed as shown on building manufacturer's erection plans.

11.0 Building Design

11.1 Design loads shall be as stated herein and as clearly set forth in order document and shall be in accordance with Erect-A-Tube standard design practices.
Live Load
Dead Load
Wind Load

11.2 Design calculations, drawings and documents shall contain information requested for permits and approval and sufficient information for building erection and shall be as applied to Erect-A-Tube products furnished.

11.3 Foundation reactions shall be furnished by Erect-A-Tube. Design of floors and foundation shall be the responsibility of others.

12.0 Bi-fold doors shall be as manufactured by Erect-A-Tube, Inc. and shall be integral with hangar building design. Door framing members shall be square tube jig welded in full size panels. Door frames shall have prelocated top hinges factory located to align with door truss hinges. Structural steel shall be ASTM A500 Grade B square structural welded steel tubing.

12.1 Electric bi-fold door operator shall be mounted on center of door truss and shall be provided with adjustable turnbuckles and fastened securely. Motor shall be 3/4 H.P. 230 V.A.C. single phase thermally protected and supplied with a reset button. Motor shall be totally enclosed capacitor start. Cable drum shall be a direct drive drum by shaft mounted gearbox. Gearbox shall be oil bath two-stage gearbox, bronze worm gear, hardened steel spur gears, tapered roller and ball bearings. Door operator shall be pre-wired at factory complete with 24 V.A.C. momentary-up, constant-pressure- down push button control, magnetic controllers, geared rotary limit switch attached to cable drum designed to coordinate reversing operations, spring-set electric brake, and up-stop safety switch; mercury tilt type to disconnect power in case of over travel. Power connection shall be by heavy duty 230 volt plug for easy connection.

12.2 Bi-fold door hardware shall include 3" dia. bottom guide roller with sealed bearing and column followers, door side camlocks shall be self unlatching type with white vinyl pull handles attached to vertical end members, center cane bolt pin 1" dia. minimum and embedded floor sockets, 16" minimum center plated door poppers and skid plates, all require hinge pins, 3/16" dia. 7x19 galvanized aircraft cables with wire rope clips and thimbles, bottom and top 2 ply rubber astragals, 5" dia. steel sheave wheels with ball bearings.


12.3 Bi-fold door shall be installed according to manufacturer's installation instructions.

13.0 Each bi-fold door shall be provided with 3'-0" x 6'-0" steel entry door, 26 ga. trim package, weatherstripping, lockset keyed and master keyed.

14.0 Building manufactured to provide contractor with anchor layout plan and column reactions.

TYPICAL 10-UNIT N51-42


ERECT-A-TUBE, INC. TEE-HANGAR SPECIFICATIONS SLIDING DOOR SERIES


1.0 Tee hangars shall be supplied by a manufacturer who is regularly engaged in the manufacture of aircraft hangar buildings and hangar doors. The tee-hangar package shall be supplied as a complete system and furnished by a manufacturer who provides hangar doors and hangar buildings as an integral hangar building package. The hangar manufacturer shall have been engaged in the manufacture for a minimum of five years and upon request from owner provide a list of completed hangar projects. The hangar building shall be manufactured by Erect-A-Tube, Inc., Box 100, Harvard, Illinois 60033, (815) 943-4091.

2.0 Hangar sizes shall be as defined below:

2.1 Width shall be as measured from center line to center line of endwall columns.

2.2 Length shall be as measured from center line to center line of endwall columns.

2.3 Eave height shall be as measured from the top of the eave purlin or door truss to the bottom of column base plate.

2.4 Manual horizontal sliding door size shall be the clear opening.

3.0 Primary structural framing shall be main load carrying structural members. They shall include door trusses, rafters, interior columns and exterior columns.

3.1 Rafters shall be steel wide flange beams "W" shaped ASTM A36 and shall be prepunched for purlin connections, door truss, and interior column connections. Rafters shall be complete with factory welded ridge splice plates, and designed to support specified loads.

3.2 Door truss shall span width of door opening and shall be shipped full length for ease of construction. Door truss design shall be integral with door design. Door truss shall be factory welded with chords 4" x 4" x 1/8" minimum square structural welded steel tube ASTM A500 GR.B. and 3" x 1" x 1/8" minimum diagonal webbing. Door truss shall be prepunched for column and rafter connections.

3.3 Door columns shall be manufactured of steel wide flange beams "W" shapes ASTM A36 and shall be W6 x 15 pounds per foot minimum with prewelded base plate and door truss saddles.

3.4 Interior column shall be square structural welded steel tube ASTM A500 with prewelded base plates and girt clips.

4.0 Secondary framing shall be the structural members which carry the loads to the primary framing systems; and shall include the purlins, girts, wind bracing and miscellaneous structural members.

4.1 Purlins shall be nominal 8" deep "Z" shaped members and shall be manufactured of 16, 14, or 12 gauge steel designed for specified loads, and shall be fabricated of material based on the requirements of ASTM A570 or ASTM A572 as applicable.

4.2 Exterior wall girts shall be fabricated from 4" square structural weld steel tube or rolling formed cee sections of ASTM 570 or ASTM A572 as applicable.

4.3 Interior partition girt shall be fabricated from 4" x 16 Ga. red oxide steel "CEE" sections, when specified.

4.4 Provide wind bracing, rafter bracing, sheeting angles where required.

5.0 Structural field connections shall be bolted (unless otherwise noted). All primary bolted connections, as shown on manufacturer's drawing, shall be furnished with high strength bolts conforming to the physical specifications of ASTM A-325 or shall be Grade 5. All Grade 5 bolts shall be zinc plated.

6.0 All structural members shall be shop-primed red oxide.

7.0 Roof sheets shall be 26 Ga. galvalume coating conforming to ASTM specification A-792 with panel configuration with 1-1/8" minimum high major ribs 12" on center. Panel coverage shall be 36" and shall be furnished full length from building eave to ridge purlin. A pre-formed ridge cap shall be provided.

7.1 Galvalume coating shall be as provided by Bethlehem Steel Corporation, Bethlehem, PA 18016.

8.0 Wall sheet shall be 26 Ga. Galvalume coating conforming to ASTM specification A446 with a siliconized polyester coating. Panel configuration shall be 1-1/8" min. major ribs 12" on center. Wall sheet shall be furnished full height.

8.1 Siliconized polyester coating shall be as provided by Dexter Midland Division, The Dexter Corporation, and shall be Dexstar 850 and conform to ASTM D-523-67 (72) (1), ASTM D-2794-74, ASTM D-968, ASTM D-2247-68, ASTM B-117-68.

8.2 Optional Kynar 500 exterior finish available through Erect-A-Tube, Inc.

9.0 Partition sheet shall be 29 Ga. Galvalume. Panel configuration shall be full height or 8'-0" high, as specified.

10.0 Building trim shall include eave trim, gable trim, corner trim, service door trim, hangar door trim. All trim shall be 26 Ga. and manufactured of flat stock material equal in quality to wall sheets and color as selected from manufacturer's standard color chart. Trim pieces shall be packaged for shipment at factory.

10.1 Roof caulking shall be at all roof sheet side laps and at pre- formed ridge caps. Roof caulk shall be a tape sealant type and shall be pre-formed butyl rubber base and shall be supplied as a 3/16" x 3/8" extruded shape.

10.2 Inside and outside semi-rigid cross-linked polyethylene foam closure shall be provided as required to provide a bird proof building. Inside closure shall be self-adhesive.

10.3 Fasteners provided as follows:

10.3.1 Roof fasteners shall be #12-14x1" Atlas Ultimate zinc-alloy head on carbon steel shank, hex head, with dual seal washer.

10.3.2 Roof stitch screws shall be #12x3/4" A.B. Atlas Ultimate zinc-alloy head screws with washers.

10.3.3 Wall fasteners shall be #12-14x1" hex head color match self- drilling sheet metal screws with washer.

10.3.4 Wall sheet stitch screws shall be 1/4"-#14x3/4" hex head color match self-drilling lap screw with washer.

10.3.5 Partition sheet fasteners shall be #12-3/4" hex head zinc plated self-drilling screws.

10.3.6 All sheet metal screws shall be installed as shown on building manufacturer's erection plans.

11.0 Building Design

11.1 Design loads shall be as stated herein and as clearly set forth in order document and shall be in accordance with Erect-A-Tube standard design practices.
Live Load
Dead Load
Wind Speed
Wind uplift on steel panels Class 90

11.2 Design calculations, drawings and documents shall contain information requested for permits and approval and sufficient information for building erection and shall be as applied to Erect-A-Tube products furnished.

11.3 Foundation reactions shall be furnished by Erect-A-Tube. Design of floors and foundation shall be the responsibility of others.

12.0 Door Framing Hardware

12.1 Standard: Red oxide finish on all roll formed shapes and door assembly components.

12.2 Bottom Track Aluminum T Track. Tail of track placed directly in concrete threshold with polyurethane cartridge caulk. No exposed fasteners. Easy replacment. 10'-0" lengths.

12.3 Top Guide Track. Top track for fixed guide assembly. Cee section 9 x 4 X 12 ga. maximum deflection 1/2" +/-. One cee member can track 2 door leafs (inner and outer). Each door leaf operates on its track system.

12.4.1 Door framing for a 42' x 12' opening will consists of two panels 21' x 12' bi-parting. All members to be 6" cees prepunched for easy field assembly. All framing connections are secured with angle clips and fasteners. Bottom members are slotted for wheel installation.

12.4.2 Each 21' x 12' door panel will contain a 3068 walk door with frame, leaf, hinges and locksets. Locksets to be Schlage 'F' series with tulip style, 26D finish.

12.5 Top Guide Assembly. This top guide assembly shall be adjustable in the vertical position for alignment with top track. Guide assembly to consist of 2" diameter roller with roller pins and A-36 guide sub assembly for easy attachment to verticals.

12.6 Bottom Wheel Assembly. 8" phenolic groove wheel with 1/2" spanner bearings and axle grease fitting. Mounted in steel frame assembly.

12.7 Vertical Weather Seal. 3/16 x 6 astragal with astragal stripping. Fasten 12" O.C. with #12 x 3/4 Tek.

12.8 Center Vertical Weather Seal. 1/8 x 4 astragal secured with astragal stripping. Fasten 12" O.C. with #12 x 3/4 Tek.

12.9 Bottom Horizontal Weather Seal. 1/8 x 4 astragal secured by sandwiching exterior door sheets to bottom horizontal member. 1-1/8" to the weather is recommended for exposure.

12.10 Cane Bolts. Each door panel shall have adequate cane bolt assemblies to resist wind load. Cane bolts to be 1" diameter x 18" long. Embeddment into concrete floor shall be 3" minimum.

13.0 Optional Natural Flow Roof Vent manufactured by Erect-A-Tube, Inc.

14.0 Building manufactured to provide contractor with anchor layout plan, column reactions.