SECTION 07227 - FALL PROTECTION DEVICES
PART 1 – GENERAL
1.01 SUMMARY
A. Section Includes: Roof tie-down system of fall restraint and fall arrest for worker safety. Roof fall protection anchorage system shall consist of single point anchors secured to ribs of standing seam metal roof. Anchors shall not penetrate roof.
B. Related Sections:
1. Section 07411 – “Metal Roof Panels” for standing seam roofing.
2. Section 07720 – Roof Accessories: Accessories installed on or in roofing (other than structural or mechanical items).
1.02 SYSTEM DESCRIPTION
A. General: Provide structural fall restraint and fall arrest system capable of withstanding loads and stresses within limits and under conditions specified in OSHA and other applicable safety codes. Provide fall protection anchors permanently attached to roof structure.
B. Design Requirements: Anchors and accessories comprising system of following types:
1. Guardian Standing Seam Roof anchors, spaced as indicated, for safety snap connection by individual workers capable of withstanding a 5,000 pound load or safety factor of 2 meeting the requirements of OSHA 1926.502(d)(8).
2. Continuous stainless steel cable lifeline restrained by single clamped mechanical terminations at anchor points, suitable for multiple safety snap connections along cable between anchors.
3. Tensioning system with tension indicator.
4. Pass-thru technology allowing workers cable shuttle to run freely past intermediate anchors without the worker having to disconnect / re-connect to the fall protection system.
C. Performance Requirements: System and components tested for resistance of following loads:
1.
2.
3.
Fall Restraint: 4 persons simultaneously applied.
Fall Arrest: 2 persons.
Design fall protection anchors to resist at least 5,000 pound applied in any direction at a height of approximately 2 inches above top of roof deck or provide engineered system designed meeting the requirements of OSHA 1926.502(d)(8).
4. Design system to limit loads on horizontal lifeline anchors to 2,500 pounds.
1.03 SUBMITTALS
A. Product Data: For each type of fall prevention device specified, including manufacturer's standard fabrication details and installation instructions.
B. Shop Drawings: Show layout, profiles, and anchorage details. Include anchor calculations to demonstrate the integrity of anchor assembly as well as connection to the standing seam metal roof. Shop drawings & calculations to be stamped by a Professional Engineer registered in the state the project is located.
C. Maintenance Data: Written instructions for maintenance of fall prevention safety devices to be included in the operation and maintenance manual.
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D. In House Test Reports: Indicate anchor fabrication complies with performance requirements.
E. Signage: Provide laminated sign showing system layout to be installed at roof access locations.
1.04 QUALITY ASSURANCE
A. Manufacturer Qualifications: Firm having at least 10 years continuous experience in manufacturing fall safety equipment similar to systems specified and exhibiting records of successful in-service acceptability and performance.
B. Professional Engineer Qualifications: A professional engineer who is legally qualified to practice in jurisdiction where the Project is located and who is experienced in providing engineering services of the kind indicated. Engineering services are defined as those performed for installations of roof anchors that are similar to those indicated for this Project in material, design and extent.
C. OSHA Standards: Comply with Occupational Safety and Health Administration Standards for the Construction Industry 29 CFR § 1926.500 Subpart M (Fall Protection), and with applicable
State Administrative Code safety standards for Fall Restraint and Fall Arrest.
C.
D.
F.
Source Limitations: Obtain all roof anchors through one source from a single manufacturer.
Welding: Qualify procedures and personnel according to AWS D1.1, “Structural Welding
Roof fall protection anchorage system shall be acceptable to manufacturer and installer of metal roofing and shall not void roofing warranty.
1.05 COORDINATION
A.
Coordinate installation of standing seam metal roof reinforcements and anchorages, as designed and provided by standing seam metal roof designer, to receive fall protection anchors.
1.06 WARRANTY
A.
Provide manufacture’s standard warranty to guarantee products will be free from defects for a period of 12 months. Warranty period shall become effective on date of substantial completion.
PART 2 - PRODUCTS
2.01 MANUFACTURERS
A. Provide fall protection system manufactured by Guardian Fall Protection Inc., 6305 S. 231 st
Street, Kent WA, phone 800-466-6385, fax 800-670-7892, or equal.
2.03 MATERIALS
A. Guardian Permanent Standing Seam Anchor.
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B.
1. 6061 T6 Aluminum
C.
Standard Clamps:
1. Manufactured from 6061-T6 aluminum extrusions conforming to ASTM B221 or aluminum castings conforming to ASTM B85 and to AA Aluminum Standards and
Data.
2.
3.
Clamp model: No. S-5
Set screws: 300 series stainless steel, 18-8 alloy, 3/8” diameter, with round nose point,
4. two per clamp. Cup-point setscrews not permitted
Attachment bolts: 300 Series stainless steel, 18-8 alloy, 10 mm diameter, with flat washers.
Pass-through lifeline components: 304 Stainless Steel
D.
Lifeline Cable: 5/16”x7x7 stainless steel 316 wire rope.
E.
Detachable Cable Shuttles: Stainless Steel (Grade 304)
F.
Fasteners: Unless otherwise indicated, provide Type 304 stainless-steel fasteners or zinc-plated fasteners with coating complying with ASTM B 633 F 1941, Class Fe/ZN 5. Select fasteners for type, grade, and class required.
2.04 COMPONENTS
A. Guardian Hybrid Standing Seam Roof Anchors for attachment of pass-thru Horizontal Lifeline.
B. Standard Clamps:
1. Manufactured from 6061-T6 aluminum extrusions conforming to ASTM B221 or
2.
3. aluminum castings conforming to ASTM B85 and to AA Aluminum Standards and
Data.
Clamp model: No. S-5-U
Set screws: 300 series stainless steel, 18-8 alloy, 3/8” diameter, with round nose point,
4. two per clamp. Cup-point setscrews not permitted
Attachment bolts: 300 Series stainless steel, 18-8 alloy, 10 mm diameter, with flat washers.
C Tensioner Set: Stainless Steel and Aluminum tensioning unit with turnbuckle and tension indicator.
D. Intermediate supports: Intermediate straight and elbow units to attach to CB roof anchors with adapter cap allowing cable to slide freely.
E. Lifeline: Continuous 8 mm stainless steel cable as tested by fall protection device manufacturer to permit worker mobility and safety.
F. Terminations: Terminations to attach cable to end anchors. Cable clamps are not acceptable.
G.
Connectors: Detachable cable shuttle providing secure attachment to cable at any location.
2.05 FABRICATION
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A. Fabricated work true to dimension, square, plumb, level and free from distortions or defects detrimental to appearance and performance.
G.
Guardian Hybrid Anchors shall be installed in accordance with fall protection manufacturer’s requirements.
2.06 FINISHES
A. Powder-Coat Finish: Prepare, treat and coat galvanized metal to comply with manufacturer’s written instructions as follows:
1. Prepare galvanized metal by removing grease, dirt, oil, flux, and other foreign matter.
2. Color: To match metal roofing.
B. Fabricated work true to dimension, square, plumb, level and free from distortions or defects detrimental to appearance and performance.
PART 3 – EXECUTION
3.01 EXAMINATION
A. Examine framing, substrate and panel seaming to verify conditions comply with structural requirements for proper system performance.
B. Proceed with installation of roof anchors only after verifying conditions are satisfactory.
3.02 INSTALLATION
A.
General: Installation of Anchor Posts to be performed by contractor according to manufacturer’s instructions and recommendations.
B.
Clamps:
1.
Install clamps in accordance with manufacturer’s instructions.
2.
Place both set screws on same side of clamp.
3.
Tighten set screws to manufacturer’s recommended torque which depends on the
C.
manufacturer, type & gauge of the standing seam.
Provide on-site inspection and supervision of installation of lifeline components by factorytrained representative.
3.04 FIELD QUALITY CONTROL
A.
B.
Randomly test set screw torque using calibrated torque wrench.
Manufacturer’s Field Service: Engage a factory-authorized service representative to inspect components, assemblies, and equipment installations, including connections. Perform proof load test.
3.06 OPERATOR TRAINING
A.
Engage a factory-authorized service representative to demonstrate the correct and safe use of the fall protection anchorage system to the Owner’s maintenance personnel.
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B. Replace damaged or malfunctioning items.
END OF SECTION
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