Park Water Plant Flow Meter Replacement

Key Accomplishments

Johnston Construction Company

• The company furnished and installed a 16-inch bypass water main around the new meter vault to maintain operational flexibility during construction and future maintenance.
• The bypass system included 20-inch-by-16-inch tapping saddles, 16-inch tapping valves, ductile-iron piping, fittings, bends, and associated connections to the existing water system.
• JCC installed new 16-inch isolation valves and 20-inch-by-16-inch reducers to connect the meter vault piping to the existing transmission main.
• The project included removal of the existing flow meter and installation of new 20-inch piping and fittings to restore the existing water-main configuration.
• JCC coordinated planned shutdowns, tapping operations, piping connections, and system transitions with City of Salisbury Water Works personnel to maintain dependable water-service operations.
• The company installed electrical power and signal wiring between the new flow meter and the Park Water Treatment Plant for meter operation, monitoring, and communication.
• JCC furnished and installed a vault drainage system that included a sump, sump pump, discharge piping, electrical service, and dry well.
• The work included installation of one-inch polyethylene tubing between the flow meter vault and treatment plant to support water-sampling operations.
• JCC provided excavation, trench support, dewatering, bedding, backfill, concrete, utility coordination, and restoration required to complete the underground work.
• The company coordinated temporary maintenance of plant flows and existing stormwater drainage throughout construction.
• JCC completed equipment installation, electrical terminations, system testing, operational verification, as-built documentation, cleanup, and final site restoration.
• Johnston Construction Company performed the Park Plant Flow Meter Replacement project for the City of Salisbury at the Park Water Treatment Plant in Salisbury, Maryland.

B & R Electrical Contractors

• B & R Electrical Contractors performed the electrical work supporting installation of a new 16-inch magnetic flow meter and precast concrete meter vault at the City of Salisbury’s Park Water Treatment Plant.
• BRE furnished the conduit, wire, boxes, devices, connections, and related electrical materials required for the new flow-meter installation.
• The company installed power conduit and wiring serving the magnetic flow meter, flow-meter transmitter, sump pump, and receptacles within the meter vault.
• BRE installed signal wiring between the magnetic flow meter, transmitter, and treatment-plant building to support flow monitoring and instrumentation functions.
• The company routed the flow-meter and receptacle conduit and wire to the building near the existing electrical service panel.
• BRE coordinated its connections to the flow meter and transmitter furnished by others.
• The work included underground electrical conduit and ductbank installation between the flow-meter vault and the Park Water Treatment Plant building.
• BRE performed the electrical excavation required for the underground conduit and ductbank system.
• The company furnished and installed electrical boxes, devices, pull points, conduit fittings, and associated components required for the completed installation.
• BRE coordinated its electrical work with JCC’s meter-vault construction, water-main piping, bypass piping, isolation-valve installation, sump system, and site work.
• The company obtained the electrical permit required for its portion of the project.
• BRE reviewed and submitted required product information and operations and maintenance documentation for materials within its scope.
• The work included startup support and verification of the electrical connections serving the flow meter, transmitter, sump pump, and vault receptacles.
• BRE prepared as-built and record drawings documenting the completed electrical installation.