24- 097 - Pressure Reducing Valve Upgrade: Bosonworth Ave & 252 St. -

The City of Maple Ridge (“City”) invites Tenders for the upgrade of the Bosonworth Ave & 252 St Pressure
Reducing Valve with SCADA. The work generally consists of:
• Installation of SCADA kiosk, related instrumentation and antenna pole.
• Supply and installation of a new necessary B.C. Hydro meter and electrical power service,
grounding, field wiring of SCADA instrumentation and coordination of all work with that of
B.C. Hydro.
• Supply and installation of communications conduit for future implementation of hardwired
infrastructure.
• Connection of SCADA instrumentation to existing chamber components. City forces will be
responsible for mechanical retro fitting of the chamber (i.e. flow meter and pressure
transmitters). The contractor is not permitted to work on or tamper with any portion of the
water system. If any water shutdowns are necessary, it must be coordinated through the
Water Department.
• Road widening and installation of curb and gutter with catch basin relocation.
• Material testing including but not limited to subgrade, granular base, subbase and trench
backfill densities for road widening, sieve analysis and proctor testing, concrete curb and gutter
and parking/working pad densities, concrete testing, asphalt Marshall and core and density
testing. Additional testing may be required as requested by the contract administrator.
• Installation of a retaining wall with steps, safety rail, vehicle access pad and asphalt working
platform around the SCADA kiosk.
• Removal of dead trees and retaining existing trees as directed by the city arborist.
• Grading and topsoil/seeding of disturbed areas.
• Substantial Performance of the Work 56 working days from delivery of the kiosk after issuance of Notice to
Proceed, with Substantial Completion anticipated by no later than July 30, 2025