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Riverdale-Southfield Neighborhood
Water, Stormwater & Roadway Improvement Project

Project Number 2041
Onyx Corporation, Acton MA
Project Manager:
Hardik Raval, Water Systems Engineer, Water/Sewer Division 978-318-3250,
Project Overview :

Drinking water, drainage and roadway infrastructure improvements have been initiated in the Riverdale-Southfield Neighborhood.   The project, planned and administered through Concord Public Works, will cost upwards of 2 million dollars.  The first phase of work, including the replacement of water and drainage systems and temporary pavement repairs, was completed over the summer of 2014.  The second phase of work, which will involve the reconstruction of the roadway, is scheduled to be completed during the summer of 2015. 

Phase I:  Water & Drainage System Improvements 

Schedule:  Completed - 2014 construction season.  

Contractor:  Onyx Corporation, Acton MA

Scope of Work:  Water main and storm drainage improvements were performed along the following streets: Southfield Rd, Southfield Cir, Dana Rd, Garden Rd, Pilgrim Rd, Riverdale Cir, and Riverdale Rd.  The work included the replacement of over 7,300 feet of 8-inch water main, associated structures and water services (laterals) located within the public Right-of-Way.  Stormwater improvements where performed along Riverdale Road (involving the installation of 880 linear feet of drainage pipe and 17 structures), Southfield Road (involving the installation of 825 linear feet of drainage pipe and 16 structures), and Pilgrim Road (involving 470 linear feet of drainage pipe and 10 structures).

Phase 2: Roadway Improvements

Schedule: Planned for the 2015 construction season. 

Contractor:  To Be Determined

Scope of Work:  The roadway reconstruction work is currently in the design phase.  The project proposes the reclamation of the existing pavement to support the installation of a new roadway surface.  The reclamation process grinds the road pavement into the subbase material.  This new subbase material will be regraded to correspond to the new drainage installed as part of the Phase I work. Where necessary, driveway aprons will be adjusted to correspond to the new roadway grades.  Project details will become refined as the design is advanced through the winter.  Additionally portions of Pilgrim Road are being evaluated for a possible full box replacement.  This treatment is more involved and removes and replaces the subbase material below the pavement surface. Again, the actual limits of this work will be determined as the design is advanced over the winter.   

Excavator digging trenches to install the water main.
Valve assembly ready to be installed in the ground.
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