|
||
Home Page • Fixed Ladders • Galvanized Roof Hatches • Aluminum Roof Hatches |
||
• Submittal Sheets • CSI Specifications • Pitch Corrected Layouts • |
||
SECTION 07721 ROOF HATCHES PART 1 - GENERAL 1.1 Summary A Section includes: 1. Roof hatches installed on or in roofing system indicated on Drawings and specified herein. Includes related 2. Safety railing system. B Related Sections: 1. Section 05500 - Metal Fabrications. 2. Section 07720 – Roof Accessories. 3. Section 07721 – Roof Hatch Railing System. 4. Section 07910 - Joint Sealants. 5. Section 09900 – Paints and Coatings. 6. Division 15 – Mechanical. 7. Division 16 – Electrical. 1.2 Submittals A Comply with Section [01300] [01330] [01340] [_______]. B Shop Drawings: Indicate configuration and dimension of components, adjacent construction, required clearances and 1. Hatch Units: Show types, elevations, thickness of metals, and full size profiles. 2. Hardware: Show materials, finishes, locations of fasteners, types of fasteners, locations and types of operating 3. General: Show connections of units and hardware to other Work. Include schedules showing location of each C Product Data: Manufacturer’s technical data for each type of hatch assembly, including setting drawings, templates, 1. Include complete schedule, types, locations, construction details, finishes, latching or locking provisions, and D Manufacturer's Installation Instructions: Indicate installation requirements and rough-in dimensions.
E Quality Control Submittals: 1. Statement of qualifications. F Contract Closeout Submittals: Comply with Section [01700] [01770] [01780] [01790]. 1. Operating and maintenance manuals. 1.3 Quality Assurance A Comply with Section [01400] [01410] [01430]. B Qualifications: 1. Manufacturer/Installer: Company specializing in manufacturing and installation of components specified in this C Single Source Responsibility: Obtain roof hatch units and frames for entire Project from 1 source and 1 single D Fire-Resistance Ratings: Where fire-resistance classification is indicated, provide fire rated units listed by E Regulatory Requirements: 1. OSHA Compliance: Provide hatch safety railing system as required by OSHA Standard 1910.23 and 1910.27 1.4 Delivery, Storage, and Handling A Comply with Section [01600] [_______]. B Deliver materials to Project site ready use. C Exercise proper care in handling of Work so as not to injure finished surfaces. Protect Work from damage after it is in D Store materials under cover in a dry and clean location off the ground. Remove materials that are damaged or 1.5 WARRANTY A Provide manufacturer's written 5-year warranty per Section [01795] [_______]. B Warrant materials and workmanship against defects after completion and final acceptance of Work. 1. Repair defects, or replace with new materials, faulty materials or workmanship developed during guarantee PART 2 - PRODUCTS 2.1 Manufacturer Brooklyn Park, MN 55428 2.2 Manufactured units A Aluminum Roof Hatches: 1. Cover and liner: 11 gauge (0.090-inch) aluminum cover with 1 inch rigid fiberboard insulation and 18 gauge 2. Curb: 11 gauge (0.090-inch) aluminum curb with 1 inch rigid fiberboard insulation.
a. Concrete Installation: 11-gauge aluminum double wall curb (curb liner at exterior). b. Sloped Roof: Configure curb to match roof pitch. 3. Hinges: [Zinc plated steel] [Optional Type 316 stainless steel] tamper-proof hinge contained within hatch 4. Latch: [Zinc plated steel] [Optional Type 316 stainless steel] slam latch with turn handle and
a. Mortise cylinder preparation to receive special mortise cylinder lock. Locks specified in Division 8 b. Heavy-duty detention deadbolt lock (high security applications) preparation. Locks specified in 5. Springs: Greased heavy-duty compression springs in telescoping tubes. 6. Hardware: [Zinc plated steel] [Optional Type 316 stainless steel] hold open arm(s) with rubber handle 7. Mounting Flanges: a. Single Wall Curb: 3-1/2 inch. b. Double Wall Curb: 2-1/2 inch. 8. Acceptable Product: Model B-RHA [Indicate size] 2.3 SAFETY RAILING SYSTEM A Top rail, mid rail, and chain or swinging gate, with hatch curb acting as toe plate. 1. Test load: 200-pounds. B Height: Minimum 42 inches above finished roof deck. C Pipe: Galvanized, 1-1/4 inch ID, A53 Grade B seamed pipe or galvanized, 1-5/8 inch OD A500 seamed tube. D Flat Bar: 2 inch by 3/8 inch thickness, A36 mild steel. E Chain System: 3/16-inch proof coil ASTM specification, zinc plated with quick link on fixed end. F Pipe Ends and Tops: Covered or plugged with weather and light resistant material. G Bolts and Washers: 3/8 inch by 2-1/2 inch, grade Z, zinc plated. H Sealant: Recommended by manufacturer. I Finish: Factory-applied hot dipped galvanized. J Acceptable Product: Hatch Safety Railing System, Model Number XXXX 2.4 FINISHES A General: Comply with NAAMM's "Metal Finishes Manual for Architectural and Metal Products" for recommendations B Finish designations prefixed by AA comply with system established by Aluminum Association for designating C Aluminum: Mill finish. PART 3 - EXECUTION 3.1 EXAMINATION A Comply with Section [01700] [_______]. B Verification of Conditions: Examine areas and conditions under which Work is to be performed and identify conditions C Verify that deck, curbs, roof membrane, base flashing, and other items affecting Work of this Section are in place and D Verify tolerances and correct improper conditions. E Do not proceed until unsatisfactory conditions have been corrected. 3.2 Installation A Install roof accessory items and components per manufacturer's instructions. B Coordinate installation of components of this Section with installation of roof deck, roof structure, roofing membrane, C Coordinate installation of sealant and roofing cement with Work of this Section to ensure water tightness. D Coordinate installation of flashing flanges into reglets. E Separate metal from incompatible metal or corrosive substrates, including wood, by coating concealed surfaces, at F Flange Seals: Unless otherwise indicated, set flanges of accessory units in a thick bed of roofing cement to form a 3.3 ADJUSTING A Adjust movable parts for smooth operation. B Operational Units: Test-operate units with operable components. Clean and lubricate joints and hardware. Adjust for 3.4 CLEANING A Clean exposed surfaces per manufacturer's written instructions. Touch up damaged metal coatings. END OF SECTION
A-Mezz Industrial Structures, Inc. |