§192.189. Vaults: Drainage and waterproofing.
49 C.F.R. § 192.189
Each vault must be designed so as to minimize the entrance of water.
A vault containing gas piping may not be connected by means of a drain connection to any other underground structure.
Electrical equipment in vaults must conform to the applicable requirements of Class 1, Group D, of the National Electrical Code, NFPA-70 (incorporated by reference, see § 192.7).
Notes, amendments, and revision history
Amendments
[35 FR 13257, Aug. 19, 1970, as amended by Amdt. 192-76, 61 FR 26122, May 24, 1996; Amdt. 192-119, 80 FR 181, Jan. 5, 2015]
Authority
Authority: 30 U.S.C. 185(w)(3), 49 U.S.C. 5103, 60101 et. seq., and 49 CFR 1.97.
Source
Source: 35 FR 13257, Aug. 19, 1970, unless otherwise noted.
Amendments
[35 FR 13257, Aug. 19, 1970, as amended by Amdt. 192-76, 61 FR 26122, May 24, 1996; Amdt. 192-119, 80 FR 181, Jan. 5, 2015]