11 24 24 ROOF FALL PROTECTION 20 Nov 2019.pdf

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MCBCL FALL PROTECTION STANDARD NOVEMBER 2019

SSM FALL PROTECTION FOR TO BE USED IN ALL SSM ROOFS WITH SLOPES GREATER THAN 3/12

BEST VALUE SPEC DESCRIPTION

Design, furnish, install, and certify a complete and useable permanent fall protection system, inclusive of all components, appurtenances, fasteners, end stops, carriages, and equipment necessary for safety of maintenance workers. Salient characteristics which will be reviewed under best value source selection include:

1. Compliance with all Occupational Health and Safety regulations.

2. Design system to accommodate 3 users at one time.

3. Design must be performed, signed, and sealed by a Professional Engineer from the manufacturer experienced in the design of horizontal lifeline fall arrest systems. Submit qualifications of engineer.

4. Design must provide for access from the roof hatch (where provided) to the roof ridge, allowing for continuous worker tie off to reach the ridge line. For buildings without a roof hatch, design must provide for access from the roof eave (at an acceptable location) to the roof ridge, allowing for continuous worker tie off to reach the ridge line. D‐rings are acceptable for ascent and decent parallel to standing seams, or propose alternative method.

5. Low profile and architecturally pleasing systems are preferred, and will be evaluated higher than more obtrusive designs. Choice of finishes in powder coated or anodized aluminum alloy are preferred. Concealed fasteners are preferred.

6. After fall protection system is installed, the manufacturer's authorized representative shall inspect and operate the system and make any final adjustments. The manufacturer's authorized representative shall issue a certificate attesting to the system's design and installation, and formally submit to the USG.

7. Fall protection system shall be installed under the direction of manufacturer's authorized trained personnel.

8. Train designated US Government personnel on‐site regarding proper use of system.

9. Submit horizontal life line and anchorage connector systems for approval by the designer of record and the installation public works group's cognizant architect or designated fall protection expert. The chosen fall protection system must be compatible with the Base Exterior Architectural Plan, low-maintenance, designed for service in harsh coastal conditions, and compliant with ANSI/ASSP Z359 requirements. The following proprietary systems would meet government requirements, but other options may be proposed by the contractor, subject to final approval by the government:

1) 3M Capital Safety Roofsafe Rail System

2) Miller ShockFusion Horizontal Lifeline Roof System

3) Kee Safety KeeLine Engineered Lifeline Solution

10. Color must comply with the MCBCL Base Exterior Architectural Plan (BEAP) and the USG Architect. Submit color samples for approval.

11. All fall protection anchorages must be designed for a minimum 3,100 lb nominal live load capacity in accordance with UFC 3-301-01 chapter 2-4.2 section 1604.11. Anchorages, including any supporting structure, must be designed to allow future replacement of the horizontal lifeline system or anchorage connectors regardless of the required capacity of the chosen horizontal lifeline system or anchorage connectors. Anchorages that support two or more independent horizontal life line spans at a single point must be designed for the combined load effects of the horizontal life line systems in accordance with ANSI/ASSP Z359.6.