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Morrissey Blvd. Drainage Conduit
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| Dredging Operation at Morrissey Blvd. |
Purpose
The Morrissey Boulevard Drainage Conduit Project (MBDC) is being undertaken by the Boston Water and Sewer Commission (Commission) on behalf of the Massachusetts Water Resources Authority (Authority) in conjunction with the Authority's North Dorchester Bay CSO Storage Tunnel Project (NDBST). This work will help improve water quality in North Dorchester Bay.
| Project Updates | |
|---|---|
| 1/15/2010 | January Progress Report | 11/5/2009 | November Update | 10/9/2009 | October Progress Report | 10/9/2009 | October Update | 8/21/2009 | August Progress Report | 7/15/2009 | Summary of Work | 7/10/2009 | July Progress Report | 7/1/2009 | July Update | 6/1/2009 | June Update | 5/8/2009 | May Progress Report | 5/1/2009 | May Update | 4/1/2009 | April Update | 3/1/2009 | March Update |
The MBDC was included in the Authority's 2004 Supplemental Facilities Plan and Environmental Impact Report on the Long-Term CSO Control Plan for North Dorchester Bay and Reserved Channel and is part of the court-ordered cleanup of Boston Harbor. The MBDC and NDBST will enable the BOS087 outfall located near Mother's Rest to be eliminated. Stormwater flows generated from smaller storms will be conveyed to the NDBST while stormwater flows generated from larger storms will be redirected to the MBDC. Along the northbound (in-bound) Frontage Road of Morrissey Boulevard, all stormwater flows will be conveyed to the MBDC.
Schedule
Final design of the MBDC was completed in spring 2007.
Construction of the MBDC began in September 2007 and was completed in July 2009.
Stormwater monitoring of the MBDC will be conducted for 2 years following the completion of the MWRA’s North Dorchester Storage Tunnel Project which is currently scheduled to be completed in May 2011.
Note: Construction of the Diversion Structure (upstream end of MBDC) that connects the MWRA’s NDBST with the MBDC was performed under a separate contract that began in December 2006 and was completed in July 2007.
Project Coordination and Construction Activity
The Commission is committed to working closely with the Department of Conservation and Recreation, Mayor's Office, Boston Public Works Department, Boston Transportation Department, Department of Environmental Protection, and other city departments, public and private utilities, state and federal agencies and, most importantly, with abutters to the project to ensure its successful undertaking and completion. Effective project coordination will also help mitigate many of the short-term construction related impacts that will be associated with the project.
The Commission will adhere to all City and State regulations and ordinances governing construction in public roadways. All dust, debris and excavate will be strictly controlled and monitored. In an effort to streamline and expedite all temporary and permanent roadway resurfacing activity, the Commission will complete all pavement restoration work as part of this project in accordance with the requirements of the Department of Conservation and Recreation and Boston Public Works Department. Similarly, pavement and grounds impacted by this construction on private property will be restored under this contract.
Project Area
The MBDC extends from Savin Hill Cove (downstream end) to the State Police barracks on Wm. Day Blvd (upstream end). The project area is characterized by large businesses and educational and cultural institutions with residential neighborhoods in outlying areas.
Scope of Work
The main components of the storm drainage project include:
- Outfall basin at Savin Hill Cove
- 50 linear feet of twin 9-ft by 8-ft box conduits from UMass-Boston Access Road to outfall basin
- 2,900 linear feet of 12-ft by 12-ft box conduit along Frontage Road of Morrissey Blvd northbound.
- 75 linear feet of 8-ft by 8-ft box conduit across Mt. Vernon Street
- 250 linear feet of 36-in drain pipe in Mt. Vernon St. up to entrance of Morrissey Blvd southbound
- 580 linear feet 8-ft by 8-ft box conduit across Bayside Exposition Center property
- Diversion structure in Mass. State Police Barracks parking lot
Community Relations
The Commission is committed to a proactive community relations program. The program is designed to keep residents, businesses and elected officials informed about the project by holding public meetings before construction begins, listing details of the project on the Commission's website, and meeting with business and civic groups and elected officials to provide periodic updates, as requested or appropriate.
Project staff will work closely with businesses, educational and cultural institutions and residents of abutting neighborhoods regarding traffic management issues, such as maintaining access for employees, visitors and students, deliveries, and trash removal. In addition, before construction begins, a notice will be mailed or posted announcing the work to be performed on the street.
Contacts
For further information or questions please contact the person indicated below at (617) 989-7000.
Design Issues, Edward Duggan, Senior Design Engineer
Construction Issues, Irene McSweeney Woodfall, Director of Construction
Community Relations, Thomas Bagley, Deputy Director of Communications