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City of Santa Monica Annual Water Main Replacement Program

CWE provided design services for the replacement and upgrades of existing water mains at three sites in the City of Santa Monica for the City’s Annual Water Main Replacement Program.  This program is a long-term effort to replace and upgrade water mains based on age, condition, and capacity demands.  CWE provided design services for new water main pipeline, encompassing approximately 2,230 lineal feet of
8-inch cast iron pipe over three project locations on Ocean Avenue, Seaside Terrace, and Olympic Drive South.  Tasks included: utility research and coordination with various utility agencies; a topographic survey for each project segment; preparation of Plans, Specifications, and Estimates (PS&Es), including traffic control plans, tie-in connections and necessary related appurtenances, water meters and laterals, air and vacuum release valve assemblies, blow-off and manual drain assemblies, and fire hydrant assemblies; utility potholing; and obtaining all necessary permits.  Construction support services included: contract document interpretation and bidding assistance, reviewing and responding to Requests for Information (RFIs) and Requests for Comments (RFCs), conducting weekly field visits, attending bi-weekly construction process meetings, and preparing final record drawings.

Project Tasks

  • Utility research and coordination
  • Topographic survey
  • Plans, Specifications, and Estimates (PS&Es)
  • Traffic control plans, tie-in connections, and necessary related appurtenances
  • Water meters and laterals
  • Air and vacuum release valve assemblies
  • Blow-off and manual drain assemblies
  • Fire hydrant assemblies
  • Utility potholing
  • Permits
  • Contract document interpretation and bidding
  • RFI and RFC responses
  • Weekly field visits
  • Bi-weekly construction process meetings
  • Final record drawings.