I.B.08. Combined Synopsis_Attachment 4_PWS.pdf

PERFORMANCE WORK STATEMENT

FALL PROTECTION SYSTEMS

PART 1 - GENERAL

1.1 REFERENCES

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

The publications are referred to within the text by the basic designation only.

1. AMERICAN SOCIETY OF SAFETY PROFESSIONALS (ANSI/ASSP)

a. ANSI/ASSP Z359.11: (2014) Safety Requirements for Full Body Harnesses

b. ANSI/ASSP Z359.12 (2009) Connecting Components for Personal Fall Arrest Systems

c. ANSI/ASSP Z359.13 (2013) Personal Energy Absorbers and Energy Absorbing Lanyards

d. ANSI/ASSP Z359.14 (2014) Safety Requirements for Self-Retracting Devices for Personal Fall Arrest and Rescue Systems

e. ANSI/ASSP Z359.15 (2014) Safety Requirements for Single Anchor Lifelines and Fall Arresters for Personal Fall Arrest Systems

f. ANSI/ASSP Z359.2 (2017) Minimum Requirements for a Comprehensive Managed Fall Protection Program

g. ANSI/ASSP Z359.3 (2017) Safety Requirements for Lanyards and Positioning Lanyards

h. ANSI/ASSP Z359.6 (2016) Specifications and Design Requirements for Active Fall Protection Systems

i. ANSI/ASSP Z359.7 (2011) Qualification and Verification Testing of Fall Protection Products

2. ASTM INTERNATIONAL (ASTM)

a. ASTM A 36/A 36M: (2008) Standard Specification for Carbon Structural Steel

b. ASTM A 992/A 992M: (2006a) Standard Specification for Structural Steel Shapes

3. AMERICAN WELDING SOCIETY (AWS)

a. AWS D1.1/D1.1M (2015; Errata 1 2015; Errata 2 2016) Structural Welding Code - Steel

b. AWS D14.1/D14.1M (2005; AMD 1 2017) Specification for Welding of Industrial and Mill Cranes and Other Material Handling Equipment

4. U.S. NATIONAL ARCHIVES AND RECORDS ADMINISTRATION (NARA)

a. 29 CFR 1910 Occupational Safety and Health Standards

1.2 SYSTEM DESCRIPTION

A. This project has two fall arrest systems. The systems consist of 2 rails, one approximately 42ft, the other approximately 65ft with a break to accommodate the fixed crane system. These will be in the Vehicle Maintenance Bays. Each rail shall have 2 trolleys, lanyards, and other components for support of 2 people. Personnel may be located on work stands or the vehicle.

B. Engineering Analysis Design Requirements

1. Fall protection systems shall be designed by a Professional Engineer experienced in the design of fall protection systems.

2. Fall protection systems shall be designed for use above vehicles with 2 concurrent users. The system shall be designed to allow users to walk uninterrupted the entire length of each system without having to unhitch from the system to pass through intermediate support points.

3. Overall system and all components shall comply with ANSI/ASSP Z359.2, ANSI/ASSP Z359.3, ANSI/ASSP Z359.6, ANSI/ASSP Z359.7, ANSI/ASSP

Z359.11, ANSI/ASSP Z359.12, ANSI/ASSP Z359.13, ANSI/ASSP Z359.14,

ANSI/ASSP Z359.15, and ANSI/ASSP Z359.18

4. Dynamic and dead load reactions shall be generated for all intermediate and end supports of the fall protection system.

5. Design all fall protection systems to safely resist the dynamically applied loads while maintaining a safety factor of two against failure.

6. Design of fall protection systems shall be based on the understanding that the underlying structural steel supports are provided as part of the bay and are adequate to support the imposed loads. Fall Protection loads shall be furnished to the hangar structural designer.

7. Design Engineer shall prepare a fall clearance analysis verifying adequate fall distance to safely stop the worker in the event of a fall.

8. Rails shall be designed for 2 workers falling at a time with full body harness and shock absorbing lifeline with a maximum arresting force of 900 pounds per worker.

9. Design Engineer shall coordinate Fall Protection System with mechanical and electrical systems, lighting, piping and supports of the hangar.

1.3 SUBMITTALS

A. Submit the following in accordance with Section 013300.05 20 SUBMITTAL

PROCEDURES:

1. SD-02 Shop Drawings

a. Fall Protection System;

1) Sealed and signed by a licensed professional engineer responsible for preparation of engineering analysis who thereby certifies preparing or supervising preparation of data to comply with specified requirements and recognized engineering principles and practices.

2. SD-03 Product Data

a. Track System

b. Deceleration Devices

c. Harnesses

1) Include capacities, sizes, performances, test certifications, operations, safety features, finishes, and similar information.

3. SD 04 Samples

a. Full Body Harness

b. Self-Closing Carabiner

c. Self Retracting Lifeline

d. Fall Arrest Trolley

4. SD-05 Design Data

a. Engineering Analysis;

1) Sealed and signed by licensed professional engineer who thereby certifies preparing or supervising preparation of data to comply with specified requirements and recognized engineering principles and practices.

5. SD-07 Certificates

a. Fall Protection System;

1) Letter signed by manufacturer certifying that system components comply with requirements and compliance with contract documents.

2) and 29 CFR 1910 and with approved drawings and calculations.

6. SD-09 Manufacturer's Field Reports

a. Attendee List;

1) Submit list of attendees at training class in the use care and maintenance of all protection equipment.

b. Operational Test;

1) Provide Letter of Certification from licensed Design Engineer indicating completion of operational proof testing on installed systems.

7. SD-10 Operation and Maintenance Data

a. Fall Protection System;

1) For fall protection system, to include emergency, operation, and maintenance manuals. Include complete parts list. Include operation and maintenance procedures for proper use and safe operation of equipment. Include as-built or record drawings of equipment as tested and approved.

1.4 QUALITY ASSURANCE

A. Provide a list of qualifications to design the system specified and listing experience including similar projects.

B. Manufacturer shall have produced fall protection systems similar to those required for this Project full time for no less than 5 years and shall demonstrate successful installations in the last 5 years, free of litigation, injuries or fatalities resulting from their products or design.

C. System manufacturer or manufacturer's authorized representative who is trained and approved for installation of units required for this project full time for no less than 5 years and demonstrate successful installations in the last 5 years, free of litigation, injuries or fatalities resulting from their products or design.

D. Professional engineer shall be registered and be employed by the fall protection manufacturer as a full time fall arrest systems designer.

E. Welding must be in accordance with all requirements of AWS D14.1/D14.1M. Welders and welding operators must be qualified in accordance with AWS D1.1/D1.1M.

1.5 PROJECT CONDITIONS

A. The Contractor is responsible for the coordination and proper relation of his work to the building structure and to the work of all trades. Verify all dimensions of the building that relate to fabrication of the crane and notify the Contracting Officer of any discrepancy before finalizing the crane order.

1.6 DELIVERY, STORAGE, AND HANDLING

A. Deliver, store, and handle materials, components, and equipment in manufacturer's original unopened protective packaging. Store materials, components, and equipment in original unopened protective packaging off of ground, under cover, and in a dry location. Handle according to manufacturer's written recommendations to prevent damage, deterioration, or soiling.

1.7 WARRANTY

A. Provide manufacturer's warranty to correct any defective work, materials, or components for a period of one year after date of Substantial Completion and manufacturer's standard warranty.

PART 2 - PRODUCTS

2.1 SYSTEM DESIGN

A. Track System

1. Single track fall arrest system and connections to bay of structure.

2. Constructed of ASTM A 36/A 36M or ASTM A 992/A 992M steel.

3. Components shall be painted safety yellow.

B. Trolleys

1. All steel body.

2. Compatible with rail system.

3. 360-degree rotating eye.

C. Deceleration Devices: Provide 1 self-retracting lifeline/lanyard (SRL) for each user for which the system is designed. Meet or exceed applicable standards of ANSI/ASSP Z359.13, ANSI/ASSP Z359.14, and 29 CFR 1910, and meeting following requirements:

1. Maximum Load: 310 pounds.

2. Weight: 20 pounds.

3. Construction: Heavy duty self-contained, portable, sealed aluminum or stainless steel casing with 3/16 inch minimum stainless steel wire rope, with swiveling safety snap hooks, centrifugal braking system.

4. Cable Length: As required to permit personnel to access the SRL from the ground.

5. Fall Arrest Forces: Less than 900 pounds.

D. Provide one harness for each user for which the system is designed. Meet or exceed applicable standards of ANSI/ASSP Z359.11, and 29 CFR 1910. Full body harness, lightweight nylon, Class III, approved for fall arrest with back and front "Dee" ring.

E. Accessories: Meet or exceed standards of ANSI/ASSP Z359.12, ANSI/ASSP Z359.15, and 29 CFR 1910.

2.2 MATERIALS

A. Fasteners shall be designed and provided by fall protection system manufacturer. All equipment shall be provided by a single source. All materials shall be new and undamaged. Fasteners shall be designed to support a load on the system of two times the maximum design load without failure.

PART 3 - EXECUTION

3.1 INSTALLATION

A. Install according to the approved shop drawings and manufacturer's instructions. Install anchorage and fasteners in accordance with manufacturer's recommendations to obtain the allowable working loads published in the product literature and in accordance with this Section. Do not load or stress fall arrest system until all materials and fasteners are properly installed and ready for service. Deform threads of all bolted connections after nuts have been installed and torqued to the proper tension or provide prevailing torque lock nuts.

3.2 FIELD QUALITY CONTROL

A. After erection, Contractor and Contracting Office shall jointly inspect installed system and components to determine compliance with specifications and approved submittals.

Systems shall remain out of service until inspection is complete and Letter of Certification has been received by Contracting Officer.

B. After erection and inspection, statically test the fall protection system in service to determine that each component of system operates as specified, is properly installed and adjusted, and is free from defects in material, manufacture, installation, and workmanship. Rectify deficiencies disclosed by testing and retest system or component to prove that system is fully operational. Any weights required for static proof testing shall be provided by the Contractor.

C. Provide a minimum of 1 class (4 hour minimum) of operator and maintenance training after system has been installed and proof tested. Training is to be for the users and maintainers of the system conducted at the installation site. The Contractor shall submit attendee list.

3.3 CLEANING

A. Remove loose materials, crating, and packing materials from premises.