Construction of Water Mains Section 36, W11C And S9-A


The work included the installation of pipelines and replacement of a meter in Arlington, and replacement of a valve in Medford. The following is a list of major items of work:

  1. Removal of existing water mains, valves, piping and manholes.
  2. Removal and testing existing Meter 86 venturi tube.
  3. Furnishing and installing by open-cut:
    • 54-inch steel water main, two 54-inch butterfly valves and chambers, and 54-inch interconnection.
    • 1,240 feet of 36-inch D.I. water main.
    • 5,065 feet of 24-inch ductile iron water main
    • 2,340 feet of 8-inch and 12-inch D.I. water mains.
    • 2,450 feet of 8-inch sanitary sewer including connection of existing sanitary service lines and installation of new sewer manholes.
  4. Furnishing and installing a new meter venturi in an underground chamber with electrical and communications equipment and all appurtenant work.
  5. Furnishing and installing valves, precast valve chambers, air valves, blow-off assemblies and all appurtenant work.
  6. Removal and replacement of 12-inch, 15-inch and 24-inch drain pipes at various locations and installation of new storm drain manholes.
  7. Removal and replacement of all water and sewer laterals exposed in open excavations.
  8. Removal, handling, transportation and disposal of rock, contaminated soil.


Massachusetts Water Resources Authority


Green International

Contract Value