Standards, Specifications & Drawings

InteriorStandards

UPDATE

Below are Lakehaven's current standards, specifications & drawings for water & sewer system design & construction, for Developer Extension projects. Lakehaven is currently undergoing review of some of these standards, specifications & drawings, and will be updating this web page & information accordingly. If there are any questions on Lakehaven's requirements for Developer Extension projects, please contact Lakehaven's Engineering Technician assigned to a specific project or Development Engineering staff.

Contact Us

  1. Email the Department

    Physical Address
    Water Operations Building B
    31627B 1st Avenue S
    Federal Way, WA 98003

    Mailing Address
    P.O. Box 4249
    Federal Way, WA 98063

Sewer System (Lakehaven & Edgewood)

  1. Sewer System Facilities Design, Material & Construction Standard Specs-2002 (PDF) [Oct 1 2015]
  2. Sewer System Standard Plan Drawings &Typical Installation Plans-2015 (PDF) [Oct 1 2015]

Water System (Lakehaven)

  1. Water Standard Plan & Typical Drawings-Dec2017 (PDF) [Dec 29 2017]
  2. Water System Facilities Design, Material & Construction Stds & Specs-1995/1997 (PDF) [Oct 1 2015]