For use on fixed steel ladders meeting OSHA 29CFR 1926.1050 and ANSI A14.3-1984. Rung spacing should be 12 inches (30.5 cm), clear distance between the side rails should be at least 16 inches (40.6 cm), clearance behind the ladder should be at least 7 inches (17.8 cm), and clearance on the climbing side of the ladder should be at least 30 inches (76.2 cm). The maximum intended load on the ladder must be determined by the qualified person responsible for the design, installation and use of the system. The criteria defining a qualified person are established by OSHA.
Capacity is two persons, each weighing up to 310 lbs (141 kg) for personnel including weight of the user-borne objects.
Maximum capacity is 620 lbs (242 kg).
The vertical davit assembly and davit mounting receptacle, when used with the MSA Dyna-Lock or Dynevac, meet ANSI Z359.1-1992, ANSI A10.14-1991, and OSHA regulations dealing with fall arrest systems. These instructions and the labels on the product, fulfill the requirements of those standards and regulations.
The vertical davit assembly and davit mounting receptacle meet the applicable requirements of OSHA regulation 29CFR1910.146 and ANSI Z117.1.
The vertical davit assembly and davit mounting receptacle must be used together. They are designed to anchor a personal fall arrest system. They may also be used to lift and lower personnel and materials.
Material used in construction of the vertical davit assembly and davit mounting receptacle is (a) square structural steel tubing conforming to ASTM A500, Grade B and (b) steel plate conforming to ASTM A36. Welds conform to AWS code specification. Plating conforms to ASTM B633. Hardware conforms to ASA B18.2.I-1965; bolts are SAE Grade 5.