Section Env-Wq 1018.01 - Construction of Beds(a) Concrete chamber beds shall be as specified in Env-Wq 1017.02(a).(b) For a conventional stone-and-pipe system, the following shall apply: (1) The bed shall consist of a minimum of 12 inches of stone total, with a minimum of 6 inches of stone under the pipes and a minimum of 2 inches of stone over the pipes; and(2) The pipes shall be laid evenly spaced a maximum of 5 feet on center with 2.5 feet of septic stone from the pipes to the outside of the bed.(c) The bed for a chamber or LDGP system shall be as specified in the most recent manufacturer's design manual approved by the department.N.H. Admin. Code § Env-Wq 1018.01
(See Revision Note at chapter heading for Env-Wq 1000) #9086, eff 2-9-08
Amended by Volume XXXVI Number 41, Filed October 13, 2016, Proposed by #11184, Effective 10/1/2016, Expires 10/1/2026.