FY 2023-2024 Gravity Sewer Improvements Project
2 Documents in Project
Summary
SCH Number
2024010089
Lead Agency
Ross Valley Sanitary District
Document Title
FY 2023-2024 Gravity Sewer Improvements Project
Document Type
NOD - Notice of Determination
Received
Posted
2/22/2024
Document Description
The Project entails the construction and rehabilitation, within the existing alignment, of sanitary sewer mains and related appurtenances within the town of San Anselmo, unincorporated community of Greenbrae, and town of Fairfax, located within the County of Marin. The Project would rehabilitate approximately 15,384 linear feet (LF) of sewer pipeline ranging from 4 to 14 in. and install 264 LF of new sewer main. Approximately 642 LF of existing pipe would be replaced via open cut excavation and 14,742 LF would be replaced via pipe bursting. Work would also include the installation of 39 sanitary sewer manholes to replace existing manholes and construction of one new manhole. The Project would include rehabilitation of sanitary sewer mains in the following areas: (1) Fairfax: Replacing approximately 4,067 LF of existing vitrified clay pipe (VCP) and cast-iron pipe (CIP) with high-density polyethylene (HDPE) pipe. Removing and replacing 14 existing sanitary sewer manholes with new manholes. (2) San Anselmo: Replacing approximately 5,259 LF of existing VCP and CIP with HDPE pipe. Removing and replacing 8 existing sanitary sewer manholes with new manholes. (3) Greenbrae: Replacing approximately 6,058 LF of existing VCP and CIP with HDPE pipe. Removing and replacing 17 existing sanitary sewer manholes with new manholes. Constructing one new manhole and installing a new sewer main (approximately 264 LF) via open cut excavation through paved public right-of-way on Los Cerros Dr. The primary objective of this Project is to relieve hydraulic and structural deficiencies and reduce groundwater infiltration with aging RVSD infrastructure.
Contact Information
Name
Philip Benedetti
Agency Name
Ross Valley Sanitary District
Job Title
Senior Engineer
Contact Types
Lead/Public Agency / Project Applicant
Phone
Email
Location
Cities
Fairfax, San Anselmo, unincorporated community of Greenbrae
Counties
Marin
Regions
Citywide, Countywide
Other Location Info
Multiple locations in Marin County. See NOD attachment A for location details.
Notice of Determination
Approving Agency
Ross Valley Sanitary District
Approving Agency Role
Lead Agency
Approved On
County Clerk
Marin
Final Environmental Document Available at
https://rvsd.org/DocumentCenter/View/3590/Final_ISMND_23-24-GSIP_02-20-2024-signed
Determinations
(1) The project will have a significant impact on the environment
No
(2a) An Environmental Impact Report was prepared for this project pursuant to the provisions of CEQA
No
(2b) A Mitigated or a Negative Declaration was prepared for this project pursuant to the provisions of CEQA
Yes
(2c) An other document type was prepared for this project pursuant to the provisions of CEQA
No
(3) Mitigated measures were made a condition of the approval of the project
Yes
(4) A mitigation reporting or monitoring plan was adopted for this project
Yes
(5) A Statement of Overriding Considerations was adopted for this project
No
(6) Findings were made pursuant to the provisions of CEQA
Yes
Attachments
Final Document(s) [Approved_Certified draft environmental documents]
Notice of Determination
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