07730 Roof Accessories final.doc

11/02 (R 08/03)

08-811

SECTION 07730 - ROOF ACCESSORIES

PART 1 - GENERAL

1.1 RELATED DOCUMENTS

A. Drawings and general provisions of the Contract, including Sections A through M of the Contract and other Division 1 Specification Sections, apply to this Section.

1.2 SUMMARY

A. This Section includes the following:

1. Roof hatch safety railing.

2. Roof ladder safety post.

3. Roof edge safety railing.

4. Ridge or Off - ridge mounted trolley system.

B. Related Sections include the following:

1. Division 7 Fall Protection System for constant force cable fall restraint system.

1.3 SUBMITTALS

A. Product Data: For each type of roof accessory indicated. Include construction details, material descriptions, dimensions of individual components and profiles, and finishes.

B. Shop Drawings: Show fabrication and installation details for roof accessories. Show layouts of roof accessories including plans and elevations. Indicate dimensions, weights, loadings, required clearances, method of field assembly, and components. Include plans, elevations, sections, details, and attachments to other work.

1.4 QUALITY ASSURANCE

A. The publications listed below form a part of this section to the extent referenced:

B. AMERICAN SOCIETY FOR TESTING AND MATERIALS (ASTM)

C. AMERICAN NATIONAL STANDARD INSTITUTE (ANSI)

D. ANSI Z 359.1 American National Standard Safety Requirements for Personal Fall Arrest Systems And Components.

E. OCCUPATIONAL HEALTH AND SAFETY ADMINSTRATION (OSHA)

F. OSHA 1926.502 Fall Prevention Systems and Criteria and PracticesSheet Metal Standard: Comply with SMACNA's "Architectural Sheet Metal Manual" details for fabrication of units, including flanges and cap flashing to coordinate with type of roofing indicated.

1.5 DELIVERY, STORAGE, AND HANDLING

A. Pack, handle, and ship roof accessories properly labeled in heavy-duty packaging to prevent damage.

1.6 PROJECT CONDITIONS

A. Field Measurements: Verify size of openings for each type of roof accessory by field measurements before fabrication and indicate measurements on Shop Drawings.

PART 2 - PRODUCTS

2.1 METAL MATERIALS

A. Aluminum Extrusions and Tubes: ASTM B 221 (ASTM B 221M), alloy and temper recommended by manufacturer for type of use, mill finished.

B. Steel Shapes: ASTM A 36/A 36M, hot-dip galvanized to comply with ASTM A 123/A 123M, unless otherwise indicated.

C. Steel Tube: ASTM A 500, round tube, baked-enamel finished.

D. Galvanized Steel Tube: ASTM A 500, round tube, hot-dip galvanized to comply with ASTM A 123/A 123M.

E. Galvanized Steel Pipe: ASTM A 53/A 53M.

2.2 MISCELLANEOUS MATERIALS

A. Fasteners: Same metal as metals being fastened, or nonmagnetic stainless steel or other noncorrosive metal as recommended by roof accessory manufacturer. Match finish of exposed fasteners with finish of material being fastened. Provide nonremovable fastener heads to exterior exposed fasteners.

B. Gaskets: Manufacturer's standard tubular or fingered design of neoprene, EPDM, or PVC; or flat design of foam rubber, sponge neoprene, or cork.

C. Roofing Cement: ASTM D 4586, nonasbestos, fibrated asphalt cement designed for trowel application or other adhesive compatible with roofing system.

2.3 ROOF HATCH SAFETY RAILING SYSTEM

A. Safety Railing System: Manufacturer's standard complete system including rails, clamps, fasteners, safety barrier at railing opening, and all accessories required for a complete installation.

1. Height: 42 inches (1060 mm) above finished roof deck.

2. Pipe or Tube Posts and Rails:

a. 1-1/4-inch (31-mm) ID galvanized pipe or 1-5/8-inch (41-mm) OD galvanized tube., or

b. Round pultruded reinforced fire retardant yellow fiberglass treated with a UV inhibitor.

3. Flat Bar: 2-inch- (50-mm-) high by 3/8-inch- (9-mm-) thick galvanized steel.

4. Self-Latching Gate: Fabricated of same materials and rail spacing as safety railing system. Provide manufacturer's standard hinges and self-latching mechanism.

5. Pipe Ends and Tops: Covered or plugged with weather-resistant material.

6. Provide weep holes or another means to drain entrapped water in hollow sections of handrail and railing members that are exposed to exterior or to moisture from condensation or other sources.

7. Fabricate joints that will be exposed to weather in a watertight manner.

8. Close exposed ends of handrail and railing members with prefabricated end fittings.

9. Fasteners and hardware: Manufacturer's standard.

10. Performance characteristics:

a. High visibility safety yellow color shall be molded in.

b. Hatch rail system shall attach to the capflashing of the roof hatch and shall not penetrate any roofing material.

c. Hatch rail system shall satisfy the requirements of OSHA 29 CFR 1910.23 and shall meet OSHA strength requirements with a factor of safety of two.

d. UV and corrosion resistant construction with a twenty-five year warranty.

B. Available Manufacturers:

1. Bilco Company (The).

2. BlueWater Mfg., Inc

3. Custom Curb, Inc.

4. Dur-Red Products.

5. Garlock Equipment Co.

6. J. L. Industries, Inc.

7. Milcor Inc.; a Gibraltar Company.

8. O'Keeffe's Inc.

9. Precision Ladders, LLC.

10. Roof Products & Systems Corporation.

11. ThyCurb; Div of Thybar Corporation.

2.4 ROOF LADDER SAFETY POST

A. Roof Ladder Safety Post: Manufacturer's standard ladder safety post. Post to lock in place on full extension. Provide release mechanism to return post to closed position.

1. Height: 42 inches (1060 mm) above finished roof deck.

2. Material and Finish: Steel tube, galvanized.

3. Diameter: Pipe with 1-5/8-inch (41-mm) OD tube.

B. Performance characteristics:

1. The ladder safety post shall be pre-assembled from the manufacturer

2. Tubular post shall lock automatically when fully extended.

3. Safety post shall have controlled upward and downward movement.

4. Release lever shall disengage the post to allow it to be returned to its lowered position.

5. Post shall have adjustable mounting brackets to fit ladder rung spacing up to 14” on center and clamp brackets to accommodate ladder rungs up to 1-3/4” in diameter.

C. Post: Shall be manufactured of high strength square tubing. A pull up loop shall be provided at the upper end of the post to facilitate raising the post.

D. Material of construction: steel.

E. Balancing spring: A stainless steel spring balancing mechanism shall be provided to provide smooth, easy, controlled operation when raising and lowering the safety post.

F. Hardware: All mounting hardware shall be Type 316 stainless steel.

G. Finishes: hot dip galvanized steel (Model LU-2) H. Available Manufacturers:

1. Bilco Company (The). [BASIS OF DESGN

2. Custom Curb, Inc.

3. Dur-Red Products.

4. Hi Pro International, Inc.

5. J. L. Industries, Inc.

6. Milcor Inc.; a Gibraltar Company.

7. O'Keeffe's Inc.

8. Precision Ladders, LLC.

2.5 ROOF EDGE SAFETY RAILING

A. Provide and install Free Standing, Non-Penetrating Railing System(s) for roof edge fall protection. This system has been tested and documented to meet OSHA Regulations 29 CFR 1926.502 and 29 CFR 1910.23. Provide copies of test results as part of the submittal package.

B. Include all labor, materials, equipment, transportation and services required to complete the installation of the guardrail system as shown on the drawings

C. Basis of Design Product: Subject to compliance with the requirements, provide:

1. SafetyRail 2000 Guardrail System

BlueWater Mfg., Inc.

Phone: (866) 898-5237, fax: (952) 926-0515

Email: info@bluewater-mfg.com

2. Subject to compliance with the requirements, products that may be incorporated into the work include, but are not limited to products manufactured by the following

a. Flexguard, available from Flexible Lifeline Systems; 719-282-9010; www.flexiblelifeline.com

b. Railguard 200, available from Garlock Equipment Co.; 800-328-9522; www.railguard.net

c. Kee Guard available from Kee Safety Ltd; www.keysafety.com

d. PGR-M, Portable Guard Rail System available from Diversified Fall Protection Inc.; www.portableguardrail.com

D. Product Description: SafetyRail 2000™ Guardrail System on roof edges as shown on the drawings. Railing system shall:

1. Include Toe Board brackets

2. Designed to withstand a minimum 200 pounds of test load in any direction.

3. Include a top rail and mid rail.

4. Extend to a height of at least 42" from the finished roof deck.

5. Be free of sharp edges and snag points.

6. Product label shall include easy reading Logo decal along with a warning label informing the installers to read the enclosed instructions located in the instruction tube.

E. Railing and Base:

1. 1. Rail shall be 1 5/8” O.D. Hot Rolled Pickled Electric Weld Tubing

2. The free standing base shall be cast of Class 30 Gray Iron material.

3. The base shall have four (4) receiver posts for accepting the rails

4. The base shall also have roof pads to protect roof membrane

5. The receiver posts shall have a positive locking system not a friction locking system. This insures a quick visual check will let the inspector know that the rails are secured to the base.

6. The receiver posts shall have a slot to enable the rails to be mounted in any direction to allow for fast set-ups and flexibility when installing.

F. Hardware:

1. The securing pins shall be made from 1010 carbon steel. The pins shall be zinc plated and yellow chromate dipped. The pins shall consist of a collared pin and a lanyard that connects to a lynch pin.

G. Finish:

1. Rails: Specify factory finish Safety Yellow Powder Coat Paint, Hot Dipped Galvanized.

2. Bases: Specify factory finish Safety Yellow Powder Coat Paint, Hot Dipped Galvanized.

2.6 RIDGE OR OFF-RIDGE MOUNTED TROLLEY SYSTEM

A. The provision of a ridge or off-ridge mounted trolley system is a Contractor’s option in lieu of the cable restraint system ONLY for Building 25. Refer to drawings.

B. Basis of Design for Ridge Mounted trolley system: H39 SAFERIDGE SAFETY SYSTEM

1. The Saferidge System consists of a plastic coated steel or aluminum (powder coated) sheet, an isolating layer and a powder coated extruded aluminum section. The mobile eyebolt is manufactured from anodized aluminum extruded sections complete with stainless steel eye piece and ancillary parts, all running on plastic-covered roller bearings.

2. Components: Saferidge Safety System with CE Mark to European Patent No. 00593150 comprising a plastic coated steel sheet ridge section, isolating layer and powder coated extruded aluminum section complete with mobile eyebolt, all fixings and end-stops and entry gate.

a. Include two safety harnesses as part of system.

3. Finish / Color: To match metal roof color of Building 25.

4. Fastening: To be fixed strictly in accordance with the directions, issued by Saferidge Ltd and supplied with the system, all for use by the installer. (No other fastener may be used).

5. Install per manufacturers’ written instruction, with the fasteners provided, including closing all joints as work proceeds to 2mm clearance gap.

C. Basis of Design for the Off Ridge Mounted trolley system: Safetraxx System

1. The Safetraxx System is manufactured using extruded aluminum section complete with a slotting arrangement down the length of each wing, which is then powder coated in the required color. The standard Starter and Finisher lengths incorporating an exit and entry gate and milled slot for the Endstop is used. System includes a stainless steel eye piece and ancillary parts, all running on plastic-covered roller bearings. The Safetraxx System used in-conjunction with a standing seam type panel, is to be supplied with a clamping method of securing the Safetraxx System to the roof panel. Provide a clamp arrangement suited to the particular seam profile of the metal roof of Building 25.

2. Components:

a. The clamp arrangement will utilize either a two-piece S/S section formed to match the seam profile or an extruded aluminum block extruded to match the seam profile. The suitability of the clamp design dictates the clamp specification. The clamps are located on the seam.

b. Include two fully approved body harness with a connecting lanyard which incorporates an energy absorbing device as part of system. This equipment is to be used in conjunction with the Safetraxx work positioning down slope rope which incorporates an arrester device (sometimes referred to as a rope jammer) to ensure the operative can adjust the length of rope so as to maintain at all times a light tension on the system.

3. Finish / Color: To match metal roof color of Building 25.

4. Fastening: To be fixed strictly in accordance with the directions, issued by Saferidge Ltd and supplied with the system, all for use by the installer. (No other fastener may be used).

5. Install per manufacturers’ written instruction, with the fasteners provided, including closing all joints as work proceeds to 2mm clearance gap.

PART 3 - EXECUTION

3.1 EXAMINATION

A. Examine substrates, areas, and conditions, with Installer present, to verify actual locations, dimensions, and other conditions affecting performance of work.

1. Verify that substrate is sound, dry, smooth, clean, sloped for drainage, and securely anchored and is ready to receive roof accessories.

2. Verify dimensions of roof openings for roof accessories.

3. Proceed with installation only after unsatisfactory conditions have been corrected.

3.2 INSTALLATION

A. General: Install roof accessories according to manufacturer's written instructions. Anchor roof accessories securely in place and capable of resisting forces specified. Use fasteners, separators, sealants, and other miscellaneous items as required for completing roof accessory installation. Install roof accessories to resist exposure to weather without failing, rattling, leaking, and fastener disengagement.

B. Install roof accessories to fit substrates and to result in watertight performance.

C. Metal Protection: Where dissimilar metals will contact each other or corrosive substrates, protect against galvanic action by painting contact surfaces with bituminous coating or by other permanent separation as recommended by manufacturer.

1. Coat concealed side of uncoated aluminum roof accessories with bituminous coating where in contact with wood, ferrous metal, or cementitious construction.

2. Underlayment: Where installing exposed-to-view components of roof accessories directly on cementitious or wood substrates, install a course of felt underlayment and cover with a slip sheet, or install a course of polyethylene underlayment.

3. Bed flanges in thick coat of asphalt roofing cement where required by roof accessory manufacturers for waterproof performance.

D. General: Install roof accessories level, plumb, true to line and elevation, and without warping, jogs in alignment, excessive oil canning, buckling, or tool marks.

E. Roof Hatch Safety Railing Installation:

1. The installer shall check as-built conditions and verify the manufacturer’s hatch rail system details for accuracy to fit the application prior to fabrication. The installer shall comply with the ladder safety post manufacturer’s installation instructions.

2. The manufacturer shall furnish fasteners necessary for installing hatch rail system on hatch.

F. Ridge or Off Ridge Trolley System. (the following is based on “Saferidge” Installation. “Safetraxx” Installation is similar):

1. Install per manufacturers’ written instruction, with the fasteners provided, including closing all joints as work proceeds to 2mm clearance gap.

2. Remove all drilling debris, dust and any other foreign matter before finally fixing sheets into position.

3. Protect Saferidge adequately during fixing and up to Practical Completion against mechanical damage, corrosion and disfigurement.

4. Rectify any defects as quickly as practicable to minimize damage and nuisance. Check fastenings on completion add adjust as necessary to ensure they are watertight and the Saferidge System is secure.

5. Fasteners

a. Shall be specified and supplied by the manufacturer with each assembly of components.

b. Type(s, Number and Location of Fastenings: as determined by the Manufacturer.

6. Thermal Movement: Draw together track ends and compress gaskets fitted to provide 2mm gap between ends of tracks.

7. Structural Movement Joints: Do not run the Saferidge System over structural movements joints. Obtain specific advice from the Manufacturer.

8. Filler Pieces: Replacement filler pieces shall be obtained by the installer from the roof deck manufacturer to the specification as per drawing, issued by Saferidge Ltd.

9. Ancillary Components

a. Supply travelling eyebolt(s), end-stops, slope rope(s) and rope securing eye(s) as specified by Saferidge Limited to run on the Saferidge System and provide compliance with BSEN795.

10. Sealing Ends: Sealant - Type(s) recommended for the purpose by sheet manufacturer. Ensure continuity and effectiveness of weather seal, at end length of the Saferidge. Do not over compress, gasket joints. End cap flashing to be supplied by Saferidge Ltd.

11. Warning Notices: Install warning notice with each end-stop set as supplied by manufacturer, bearing the words "DO NOT REMOVE".

12. Alignment: Alignment of the Saferidge must take account of the adjacent workmanship of the roof deck construction to ensure all fastenings are securely driven.

3.3 TOUCH UP

A. Touch up factory-primed surfaces with compatible primer ready for field painting in accordance with Division 9 painting Sections.

B. Galvanized Surfaces: Clean field welds, bolted connections, and abraded areas and repair galvanizing to comply with ASTM A 780.

CLEANING

C. Clean exposed surfaces according to manufacturer's written instructions.

END OF SECTION 07730

FALL PROTECTION ( NIH-NIAID RML ( HAMILTON, MT

ROOF ACCESSORIES 07730 - 8