Leachfield Construction

SUBMITTAL PROCEDURE FOR LEACHFIELD / CONSTRUCTION SYSTEMS ON COMMONS
(Steps are to be performed in sequence)
1.0 TEMPORARY RESERVATION FOR USE OF COMMON AREA FOR A PRIMARY OR FUTURE EXPANSION
LEACHFIELD
1.1 Submit a signed application for Temporary Reservation of common area for
leachfield.
1.2 Submit verification by a state qualified designer/engineer and Sonoma County that
sewage disposal requirements for your project cannot be accomplished on your lot and that
investigation of all such possibilities has been exhausted.
1.3 Submit two copies of all available site information relative to the above mentioned
soils investigation and preliminary reports.
1.4 Submit a vicinity map showing your lot and proposed leachfield location in relation
to surrounding lots and adjacent roads.
1.5 Following Staff review of submittal materials and review by the Project Review
Committee (PRC) if the proposed leachfield area is approved, you will be granted a Temporary
Reservation. If not approved, you will be so notified and advised of additional steps
to be taken.
1.6 Temporary Reservation shall expire if requirements for Provisional Permit
have not been met within 6 months after date of issuance of said reservation.
2.0 PROVISIONAL PERMIT FOR THE USE OF COMMON AREA FOR A PRIMARY OR FUTURE EXPANSION
LEACHFIELD
2 1 Submit a signed Permit/Application to use Common Area for Leachfield
Construction and Operation.
2.2 Submit two copies of Preliminary Septic System Plans. including a drawing of
the proposed transmission line route.
2.3 Staff will review the Preliminary Septic System Plans following which you
will be advised to revise and resubmit plans or to proceed with Final Plans.
2.4 Submit (upon completion of staff plan check) two copies of Final Septic System
Plans, wet-stamped and signed by the preparing designer/engineer, including a final
drawing of proposed sewage effluent transmission line route.
2.5 Submit two copies of a legal (metes and bounds) description , wet stamped
and signed of the proposed leachfield area. and transmission line route with Final
Plans.
2.6 Obtain Preliminary Design approval for your proposed building construction
from TSRA Design Committee.
2.7 Following Staff review, if the proposed septic system plans are approved, you will
be granted a Provisional Permit. A deposit amount for encroaching onto commons will
be specified.
2.8 Provisional Permit shall expire if requirements for Permanent Permit (see
next page) have not been met within three (3) years or date of expiration of Sonoma County
"vesting certificate", whichever occurs first.
3.0 PERMANENT PERMIT FOR USE OF COMMON AREA FOR A PRIMARY OR FUTURE EXPANSION
LEACHFlELD
3 1 Obtain Final Design approval for proposed building construction from TSR
Design Committee.
3.2 Obtain Construction Compliance Permit for proposed building construction (a
Construction Compliance deposit in the amount of $1,500.00 is required).
3.3 Obtain an Encroachment Permit for all work to be performed on common area
(an Encroachment Permit deposit amount to be determined, plus $100 fee are
required).
4.0 AS-BUILT DRAWING REQUIREMENTS FOR LEACHFlELDS AND EFFLUENT TRANSMISSION
LINES CONSTRUCTED
4.1 Following completion of construction of Ieachfields, effluent transmission lines,
or any other improvements to the satisfaction of Sonoma County and TSRA,
"as-built" drawings, prepared, wet-stamped and signed by the designer/engineer
of record, shall be submitted to TSRA as permanent file records of those improvements.
Said "as-builts" in an acceptable form shall be received prior to release of the
Encroachment Permit deposit.
If such "as-builts" are not submitted, then a signed/sealed certification
letter shall be submitted in its place certifying that the work has been completed in
conformance with the original plans previously submitted and accepted by TSRA.

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