Mill Creek Prefab Pressure Reducing Valve ( PRV ) Vault Installation

2026-11-03

1 . Contractor shall submit work & sequencing plan to install PRV off center from existing main ( for example : set PRV , prep bends , thrust blocks , pipe joint connections and restraint back to main , perform outage , install tees and gate valves , thrust blocks and restraint to existing main , connect to existing water , perform start - up of PRV in coordination with Pipestone , disinfection testing in coordination with Public Works ( approximately 60 ' of new pipe install ), perform outage , cut and cap existing 10 - inch DIP . a . ( East connection - Pressure Class 350 ): Install approximately 20 - LF DIP and two ( 2 ) 45 - degree DIP bends inclusive of mechanical joints , mega lugs , all - thread , concrete thrust blocks , 10 - inch gate valve FLG x FLG , and 10x10 tee on existing main . b . ( West connection - Pressure Class 250 ): Install approximately 20 - LF DIP and two ( 2 ) 45 - degree DIP bends inclusive of mechanical joints , mega lugs , all - thread , concrete thrust blocks 10 - inch FLGxFLG gate valve , and 10x10x10x8 cross on existing main . 2 . Water Outage Impacted Customers : Sunnyside , Hillside , Eider Creek , and TRWWTP3 . PRV inlet is east side of new vault . 4 . PRV outlet is on the west side of new vault . 5 . Contractor shall coordinate a workday ( or late night ) outage for DIP HP water main in coordination with Public Works to provide 72 - hour notice to impacted customers . 6 . Contractor must propose means and methods prior to start of work and is limited to a water outage that does not exceed six ( 6 ) hours total in any 24 - hour period . 7 . Contractor shall perform a soil proctor test prior to backfill and thrust block activities . Allow 7 - 10 days for optimum density & moisture lab results . 90 % compaction is needed in a green space . 8 . A minimum of 12 - inches of Class 1 shall be set as vault base . See more

Telluride

2026-04-29