R.C.S.A. § 19-13-B51h
Well pits
Cite as Conn. Agencies Regs. § 19-13-B51h
(a) The use of a well pit shall be avoided whenever practical. When used, it shall be large enough to permit ready access to equipment.
(b) A well pit and its juncture with any other structure shall be watertight, or suitably drained to insure dryness as provided in section 19-13-B51i.
(c) Every conduit or similar connection with a well pit shall be made watertight.