N.J. Admin. Code § 7:9A-10.6 - Specific requirements for mounded soil replacement disposal field installations
(a) Mounded soil
replacement disposal fields shall be constructed as follows:
1. An excavation shall be made to the
required depth throughout the entire area of the disposal field and extended
laterally in all directions a minimum of two feet beyond the perimeter of the
disposal field.
2. This excavation
shall be backfilled with suitable fill material and the fill material mounded
up over the excavation to produce a mound of the desired height in which to
install the disposal field.
3. The
sides of the mound shall be constructed with slopes of three to one or less.
Alternatively, lateral support for the fill layer may be provided by a
retaining wall that meets the requirements described at
7:9A-10.5(e)5.
(b) Requirements and restrictions
relating to site regrading shall be the same as those prescribed for
conventional installations in
7:9A-10.3(b).
(c) Excavation prior to placement of fill
material shall be carried out as specified in
7:9A-10.3(c)2
through 5.
(d) Fill material shall
meet the requirements of
7:9A-10.4(d).
(e) Construction of the disposal field and
distribution network shall be as prescribed for conventional installations in
7:9A-10.3(d).
(f) Filter material shall be as prescribed
for conventional installations, in
7:9A-10.3(e).
(g) Backfill and final grading shall be as
prescribed for mounded installations, in
7:9A-10.5(h).
Notes
See: 43 N.J.R. 478(a), 44 N.J.R. 1047(a).
In (a)3, inserted the second sentence.
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