MWRA

Broadway plaza restoration
Cleaning and Cement Mortar Lining
- 5,000 feet of 56-inch steel water main
- 8,310 feet of 60-inch steel water main
Installing 150 feet of 56-inch steel water main and 2 butterfly valves
Installing 320 feet of 60-inch steel water main and 2 butterfly valves and 1 meter
Installing 30 feet of 60-inch steel water main
Replacement of ductile iron water mains and gate valves
Replacement of drain lines, drain manhole and catch basin structures
Replacement of sanitary sewer lines and manhole structures
Replacement of Master Meter 90
Installing new check valve assembly at existing Meter 171 in underground structure
Installing valves, precast valve vaults, air valves, blow- off assemblies, manholes
Completed

Installed 13,200 feet of 48-inch ductile iron water main and 9 butterfly valves
Connection to Section 110 36-inch water main at Gillis Pump Station
- 48-inch x 36-inch tee
- 36-inch RSGV in 8’ x 8’ ID pre-cast concrete vault
- 6-inch bypass valve and pipeline
Connection to Section 110 48-inch water main at Cottage Street
Installation of 2,500 feet of 8-inch ductile iron water main and 22 gate valves
Installation of 3 hydrants
Installing valves, precast valve vaults, air valves, blow- off assemblies, manholes
Removal, handling, transportation and disposal of
- 16,000 cubic yards of rock
- Contaminated soil and groundwater
Completed June 20th, 2021

Installed 7,200 feet of 48-inch ductile iron water main and 6 butterfly valves
Installation of 485 feet of 48-inch steel water main
Installation of 150 feet of 36-inch ductile iron water main and appurtenances
Installation of 100 feet of 24-inch ductile iron water main three 3 gate valves
Installation of 1,650 feet of 16-inch ductile iron water main 1 gate valve
Connections to existing Section 110 36” water main and Section 89B 24” water main
Installation of 5,500 feet of 6-inch to 12-inch ductile iron water mains and gate valves
Installing valves, precast vaults, air valves, blow-off assemblies, and manholes
Installation of 1,500 feet of 8-inch to 30-inch drain lines and manhole structures
Installation of 1,600 feet of 4-inch to 12-inch sanitary sewer lines and manhole structures
Installation of 25 feet of 130-inch by 73-inch corrugated metal pipe culvert at Sweetwater Brook
Installing one new meter in underground vaults with electrical and communications equipment
Removal, handling, transportation and disposal of
- 10,000 cubic yards of rock
- Contaminated soil and groundwater
Completed September 13th, 2018

Cleaning and Cement Mortar Lining
- 4,500 LF of 36-inch cast iron watermain
- 10,800 LF of 20-inch cast iron watermain
- 500 LF of 20-inch steel watermain
Installing 3,600 LF of 36-inch DI watermain
Installing 6,400 LF of 24-inch DI watermain
Installing 400 LF of 20-inch DI watermain
Connections to shaft 7 with 30-inch watermain and new meter 120 vault
Replacement of 2,400 LF of 20-inch DI water mains and gate valves for the City of Newton
Replacement of drain lines, drain manhole and catch basin structures
Replacement of sanitary sewer lines and manhole structures
Installing valves, precast valve vaults, air valves, blow- off assemblies, manholes

Massachusetts Water Resources Authority