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3 PART SPECIFICATION: PART 1 – GENERAL 1.01 SECTION INCLUDES:
A. The work of this section consists of the furnishing of all labor, equipment, materials and devices required in conjunction with the installation of RoofTop Safety Hatch
B. Manufacturer must supply a letter from the roofing manufacturer that the system to be installed will not void the roof warranty.
1.02 RELATED SECTIONS:
A. Division 5 – Metals Section
B. Division 7 – Roofing Division
C. Division 10 – Safety Equipment
1.03 REFERENCES:
A. American Society for Testing and Materials (ASTM):
1. A 123-89a Zinc (Hot-Dip Galvanized) Coating on Iron and Steel Products.
2. A 153-82 Zinc Coating (Hot-Dip) Steel and Iron Hardware.
3. A 167-92b Stainless and Heat-Resisting Chromium-Nickel Steel Plate, Sheet and Plate.
4. A 570-92 Steel, Sheet and Strip, Carbon, Hot-Rolled, Structural Quality.
5. G23-88 Plastic UV Aging.
6. RHG models include components or materials that are ASTM certified under Specifications A792/A792M-06a; A653/A653M-06a; C726-05 and A36/A36M-05.
B. The Occupational Safety and Health Administration (OSHA) Standards1. OSHA regulation Title 29 of 1910.232. OSHA regulation Title 29 of 1910.27
C. National Roofing Contractors Association (NRCA): NRCA Roofing and Waterproofing Manual, current edition.
D. Sheet Metal and Air Conditioning Contractor's Association, Inc. (SMACNA): Architectural Sheet Metal Manual, current edition.
1.04 SUBMITTALS:
A. Product Data: Submit manufacturer's product data sheets. Including installation instructions for each fabricated unit.
B. Manufacturer must meet requirements under section 1910.23 and 1910.27 of OSHA Standards.
C. Contractor must supply a letter from the roofing manufacturer that the system to be installed will not void the roof warranty.
1.05 QUALITY CONTROL:
A. The Contractor or his representative on request will inspect the completed installation and report in writing that the design requirements meet with the Manufacture's requirements.
1.06 WARRANTY:
A. The Product Manufacturer shall provide a full system material warranty necessary to cover all cost of repairs and/ or replacement of all components of the system against defects in manufacturing for the period of seven years. Warranty will include Acts of God, vandalism, neglect, metal finish or improper installation.
Part 2 – PRODUCTS:
2.01 MANUFACTURER:
A. The RoofTop Safety Hatch system shall be manufactured by RoofTop Accessories P.O. Box 1671 Tomball, Texas 77377 phone 866.536.5506 fax 281.516.9002 www.rooftopaccessories.com
2.02 MATERIALS Rail:
A. Pipe: 1 5/8" OD A53 Grade B seamed steel.
B. Safety Finish: Safety yellow powder coated.
C. Chain: Zinc plated 3/16" ASTM proof coil with hoop and rings as required.
D. Accessories: Zinc plated threaded rods, caps, nuts, bolts and washers.
E. Railing Camps: Welded in place u clamp with allen screw or as required.
F. Self closing , rigid steel gate powder coated safety yellow
2.03 Material Hatch:
A. Hatch is 14 gauge galvanized steel with 12” high curb and 3 5/8” wide flange for securing to roof deck. The cover in-cludes a 14 gauge galvanized steel exterior and 22 gauge liner with an EPDM gasket door seal.
B. Hardware includes a heavy-duty hinge, heavy-gauge automatic holdopen arm with red grip, compression-operated shock-absorbing cylinders, exterior handle with integral padlock hasp and interior latching handle with padlock hasp. Pre-installed bolts on the counter flashing assist in retaining the membrane materials against the curb.
C. The curb includes 1” fiberboard insulation surrounding the base. The cover has 1” fiberglass insulation in the space between the exterior cover and liner.
D. Hatch has a Bonderite pre-treated gray hammertone powder coating.
2.04 MODELS:
A. Models: Net Opening
1. SH3036 30” x 36”
2. SH5430 54” x 30”
3. SH3636 36” x 36”
4. SH4848 48” x 48”
5. G2436 24” to 36” Gate
PART 3 – EXECUTION:
3.01 INSTALLATION:
NOTE: This product is designed for installation on a flat roof. Please consult the factory if a roof is sloped more than 30°.
Prepare opening through roof deck of width and length as specified. Opening must be positioned so as to not impair structural integrity of roof.
A.Coordinate with installation of roof deck and other substrates to receive roof hatch. Use vapor barriers, roof insulation, and roof flashing to ensure weather tight and waterproof installation. Supporting structure must withstand lateral and thermal stresses, as well as inward and outward loading pressures.
B. Position the roof hatch as follows:
When installing over a 30”x36” ladder opening, position the roof hatch so that the ladder is opposite the hinge side.
When installing over a stairway opening, position the roof hatch so that the hold-open arm is at the head of stairway.
C. For renovation/retrofit installations: Bend back roofing material to allow roof hatch to sit on roof deck.
D. For new installations: Install prior to application of final roofing material.
1. Set roof hatch base flange in thick bed of roofing cement to form seal.
2. Secure the roof hatch to the deck of the roof using the mounting holes in flange, to the supporting structural substrate.
3. Complete the installation in accordance with accepted roofing industry practice.
4. Apply final roofing material, extending over the roof hatch flanges.
5. Apply insulation material or caulk along inside perimeter of roof hatch to ensure weather tight seal.
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