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GREATER LAWRENCE GREATER LAWRENCE SANITARY DISTRICTSANITARY DISTRICT
MassRecycle 2016 R3 ConferenceMassRecycle 2016 R3 ConferenceMarch 29, 2016
TOPICSTOPICS
• Background on the Greater Lawrence Sanitary District (GLSD)
• Feasibility Study• Overview of Project• Successes/Challenges• Schedule• Questions?
GLSD ORGANIZATIONGLSD ORGANIZATION• District Established by Chapter 750 of the
Massachusetts Acts of 1968• Board of Commissioners• Operational Since April 1977• Serves:
o Lawrence, Methuen, Andover, North Andover, Dracut, MA and Salem, NH
o Population of over 200,000 o As Septage disposal location for 40 communities
• Second largest WWTP in Massachusetts (52 MGD design flow )
• Co-digestion at the GLSD facility is feasible with proper revenue stream
• Could process ~28,000 gpd of SSO (source separated organic) material in existing digestion system
• Could process up to 92,000 gpd of SSO material if build a 4th digester
• Can meet up to 40% of the Commonwealth’s goal for SSO Diversion
FEASIBILITY STUDY FEASIBILITY STUDY CONCLUSIONSCONCLUSIONS
SUCCESSESSUCCESSES • $8M in Grant Funding
• Preliminary Design Report/Final Design Complete
• Community and Environmental Impact Study
• Amended Host Agreement
• Contract with Waste Management to supply Pre-Processed SSO
• Bids Opened March 16th
CHALLENGESCHALLENGES • Financing an Atypical
Wastewater Project
• Understanding the Risks
• Community Acceptance
• Procuring Pre-Processed SSO
• Noise/Air Permitting
• Market Analysis
PROPOSED SCHEDULEPROPOSED SCHEDULE
QUESTIONSQUESTIONSBenjamin R. Mosher, P.E, BCEEPrincipal, CDM [email protected]
Richard E. WeareGLSD Capital Projects [email protected]
Cheri R. Cousens, P.E.Executive Director [email protected]
