Cal. Code Regs. Tit. 8, § 2941.2 - Washing Insulators Supporting Energized Conductors or Equipment
(a) Testing of
Water.
(1) The minimum resistivity of water
shall be 500 ohm/in3.
(2) Every load of water shall be tested
immediately prior to use.
(b) Grounding and Bonding Requirements When
Using Conductive Hoses.
(1) When washing with
a hand gun or utilizing fixed sprinklers, the pumper truck shall be bonded to
the same metal structure supporting the insulators being washed.
(2) All equipment used in the washing
procedure shall be bonded to the metal structure supporting the insulators
being washed.
(3) During washing
operations, employees shall not be permitted to step on or off the truck or
metal structure, or touch any part of the truck, conductive hoses or metal
structure while standing on the ground.
(4) When washing has been completed, the
nozzle operator shall be required to remain stationary in his position and
observe until the truck operator has disconnected the hose and the truck bond
from the metal structure.
(c) Grounding and Bonding Requirements When
Using Non-Conductive Hoses.
(1) When a
non-conductive hose is used and the operator is in contact with the metal
structure, the gun, if conductive, shall be bonded to such
structure.
(d)
Operational Checks. Prior to the start of washing operations each day, a check
shall be made of the insulator washing equipment. Such check shall include, but
is not limited to the following: aerial lift equipment, pumps, communication
equipment and lights.
Notes
Note: Authority cited: Section 142.3, Labor Code. Reference: Section 142.3, Labor Code.
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