Contractor: RJV Construction Corporation Contract Value: $11,235,500 - - PowerPoint PPT Presentation

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Contractor: RJV Construction Corporation Contract Value: $11,235,500 - - PowerPoint PPT Presentation

Nov 16, 2023 234 likes •619 views

Massachusetts Water Resources Authority MWRA Pipeline Contract No. 7448 Contractor: RJV Construction Corporation Contract Value: $11,235,500 Schedule: November 2014 May 2017 February 11, 2015 MWRA Service Area MWRA provides wholesale

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Massachusetts Water Resources Authority

MWRA Pipeline Contract No. 7448

February 11, 2015

Contractor: RJV Construction Corporation Contract Value: $11,235,500 Schedule: November 2014 – May 2017

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MWRA Service Area

  • MWRA provides wholesale water and wastewater services to over 2.5 million customers

in 61 communities

  • On average, MWRA delivers about 200 million gallons per day to its water customers, with

a peak demand of 350 million gallons

  • MWRA collects and treats an average of 350 million gallons of wastewater per day, with a

peak capacity of 1.2 billion gallons

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Abundant Reservoirs

Quabbin Reservoir Storage: 412 billion gallons Depth: 150 feet Length: 17.9 miles Width: 3 miles Wachusett Reservoir Storage: 65 billion gallons Depth: 129 feet Length: 8.5 miles Width: 1 mile

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John J. Carroll Water Treatment Plant

  • Complete in July 2005
  • Treatment Processes:

– Ozone and UV for primary disinfection – Corrosion control – Chloramination for secondary disinfection – Fluoridation

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  • Construction of UV facilities at the Carroll Treatment Plant completed last Spring

Addition of UV Disinfection At Carroll Treatment Plant

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Drinking Water Quality I s Excellent

  • MWRA sends an annual report to every

household in the service area

  • Water quality is consistently excellent

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Renewable Energy At MWRA

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MWRA Metropolitan Water System

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MWRA Section 36 Replacement

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New MWRA Pipeline – Brunswick Ave and Hillsdale Road

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  • To improve the condition of the

existing water main − Hydraulic Capacity − Reliability MWRA Section 36 Replacement - Project Goals

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  • To provide redundancy and flexibility
  • Avoid potential service disruption (breaks,

leaks)

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MWRA Section 36 - Robbins Road

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Replace old 16-inch water main with new 24-inch water main

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Replace old 16-inch water main with new 24-inch water main Hawthorne Avenue

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  • Replacement of an existing 16-inch water main with

a new 24-inch water main, valves and appurtenances

  • Installation of a new 36-inch water main, valves and

appurtenances

  • Relocation and replacement of utilities including

water, sewer and drain lines

  • Pavement restoration

MWRA Section 36 Replacement – Project Elements

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  • Department of Public Works
  • Police Department - Traffic Unit
  • Fire Department
  • Private Utility Companies
  • Community Residents
  • Conservation Commission

Project Coordination

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  • 1. Sewer line inspection and cleaning
  • 2. Conduct pre-construction videos

a. Streetscape b. Residences

  • 3. Rodent Survey
  • a. Develop baseline
  • b. Determine application

Construction Measures

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Construction Measures (continued)

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  • 4. Tree Inspection

a. Trimming/pruning b. Fertilizing c. Removal

  • 5. Pre-drilling on Brunswick (March 2015)
  • 6. Paving

a. Temporary paving for 1 construction season b. Permanent paving approximately 1 season later

  • 7. Post construction survey
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Construction Measures (continued)

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  • 8. Temporary water bypass installation with

service interruptions (100 houses)

  • Advance notice to residents
  • Hours 9:00AM – 4:00PM
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Tentative Construction Schedule continued

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STREET SCHEDULE Brattle St to Massachusetts Ave Installing 24” MWRA water main March – May 2015 Massachusetts Ave Installing 24” MWRA water main May – June 2015 Robbins Rd from Mass Ave to Gray St Installing 24” MWRA water main, 8” sewer and portions of 8” water and 15” drain June – September 2015 Robbins Rd from Gray St to Hawthorne Ave Installing 24” MWRA water main August – November 2015 Hawthorne Ave from Robbins Rd to Park St Installing 24” MWRA water main November - December 2015 Park Ave Installing 24” MWRA water main and 12” drain March 2016 – August 2016

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Tentative Construction Schedule

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STREET SCHEDULE Brunswick Rd Installing 36” MWRA water main, 8” sewer and 8” water March 2015 – July 2015 Hillsdale Rd Installing 36” MWRA water main, 8” sewer and 8” water July 2015 – September 2015 Pleasant St at Brunswick Rd Installing 54” MWRA water main, 8” sewer and 8” water September 2015 – November 2015 Spring St at Hillsdale Rd Installing 36” MWRA water main, 8” water and 12” drain October 2016 – December 2016

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Similar Construction

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Similar Construction

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Jeff McLaughlin (617) 305-5762 jeffrey.mclaughlin@mwra.com

MWRA Contact I nformation

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