Vertical Datum City of Walnut creek research

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sfsurvey
Posts: 1
Joined: Tue May 24, 2022 7:24 am

Vertical Datum City of Walnut creek research

Post by sfsurvey »

Can anyone help me with research in Contra county County City of Walnut Creek? I am looking for sanitary sewer plans, Central Sanitary Sewer and benchmarks on the same datum as the plans. Circa 1970s 1980s.

thanks for your help
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PE_PLS
Posts: 216
Joined: Mon Oct 06, 2008 6:00 pm

Re: Vertical Datum City of Walnut creek research

Post by PE_PLS »

These plans would most likely be on the NGVD29 datum. I've never encountered any Walnut Creek specific datum. You would need to call CCCSD (Central San) to get copies of any sanitary sewer plans.

http://records.pw.contra-costa.org/WebL ... .aspx?cr=1

The link above has a link to all of the NGVD29 benchmarks in Contra Costa County.
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