Wac Manhole. Employees entering manholes containing unguarded uninsulated energized lines or parts of electric equipment operating at 50 volts or more are required to be qualified electrical employees under wac 296 45 065. 1 guarding manholes and street openings.
However attendants required under wac 296 45 205 7 are not permitted to enter the manhole. A when covers of manholes or vaults are removed the opening shall be promptly guarded by a railing temporary cover or other acceptable temporary barrier to prevent an accidental fall through the opening and to protect employees working in. Requirements for ladders contained in chapter 296 876 wac apply except as specifically noted in subsection 2 of this section.
However attendants required under wac 296 45 205 7 are not permitted to enter the manhole.
A working space such as a manhole vault tunnel or shaft that has a limited means of egress or entry that is designed for periodic employee entry under normal operating conditions and that under normal conditions does not contain a hazardous atmosphere but that may contain a hazardous atmosphere under abnormal conditions. When ndsu scientists and research graduates conducted testing of the gpk pvc manhole adapter they found that the system bonded so strongly that over 3 tons psi was required to break the. Gpk s wac system uncompromising strength north dakota state university located in fargo nd is renowned for its elite research institutions in many fields. However attendants required under wac 296 45 205 7 are not permitted to enter the manhole.
