HomeMy WebLinkAbout4b. Construction of A Water System - Connecting to Existing Notes
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Water Mains_MASTER2018Rev1.docx
CONNECTION NOTE:
For connections to existing water mains, all wet tap connections to existing pipelines,
whether for mainline extension or service laterals, shall be performed by the district. The
contractor shall furnish the tapping sleeve or tee, valves and all other materials as called
for in the Water Agencies’ Standards, http://www.sdwas.org/, Standard Specifications
section, in accordance with the approved materials list. The contractor shall provide all
equipment, labor and traffic control required for the excavation and installation of the
connection including but not limited to excavation by hand or machine, pouring of thrust
and anchor blocks, installation of gate casing, painting and wrapping of fittings, backfill and
compaction of trench area and pavement replacement.
CONNECT TO EXISTING LATERAL:
Contractor to remove existing end cap, thrust block and temporary blow off. Contractor to
connect to existing lateral using a minimum pipe length of 60 inches.
CONNECT TO EXISTING STUB:
Contractor shall excavate, remove thrust block and end cap, make connection to existing
stub, and backfill. Approximate thrust restraints shall be installed on each connection
between pipes of different materials or different outside diameters.