Proposed - Massachusetts Water Resources Authority

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Project Budget Summaries and Detail of Changes Project Index Waterworks System Improvements Integrated Water Supply Improvement Program 98 Drinking Water Quality Improvements S.542 John J. Carroll Water Treatment Plant (JJCWTP) 99 S.543 Quabbin Water Treatment Plant 104 S.545 Blue Hills Covered Storage 106 S.550 Spot Pond Storage Facility 108 Transmission S.604 Metro West Tunnel 111 S.615 Chicopee Valley 116 S.597 Winsor Dam Hydroelectric 118 S.616 Quabbin Transmission Rehabilitation 121 S.617 Sudbury Aqueduct Repairs 123 S.620 Wachusett Reservoir Spillway Improvement/Winsor Dam Repair 125 S.621 Watershed Land 127 S.623 Dam Projects 129 S.625 Long Term Redundancy 131 Distribution & Pumping S.677 Valve Replacement 134 S.712 Cathodic Protection of Distribution Mains 136 S.730 Weston Aqueduct Supply Mains (WASMs) 138 S.721 Southern Spine Distribution Mains 143 S.727 Southern Extra High Redundancy & Storage 145 S.719 Chestnut Hill Connecting Mains 148 S.704 Rehabilitation of Other Pumping Stations 151 S.722 Northern Intermediate High (NIH) Redundancy & Covered Storage 153 S.713 Spot Pond Supply Mains - Rehabilitation 155 S.723 Northern Low Service Rehabilitation - Section 8 158 S.702 New Connecting Mains - Shaft 7 to WASM 3 160 S.692 Northern High Service (NHS) - Section 27 Improvements 163 S.693 Northern High Service (NHS) - Revere & Malden Pipeline Improvements 164 S.731 Lynnfield Pipeline 167 S.618 Northern High NW Trans Section 70-71 169 S.708 Northern Extra High Service - New Pipelines 170 S.735 Section 80 Rehabilitation 172 Other Waterworks S.753 Central Monitoring System 173 S.763 Distribution Systems Facilities Mapping 176 S.765 Local Water Pipeline Assistance Program 178 S.766 Waterworks Facility Asset Protection 180 Business & Operations Support S.933 Capital Maintenance Planning/Development 182 S.881 Equipment Purchase 184 S.925 Technical Assistance 186 S.931 Business Systems Plan 187 S.932 Environmental Remediation 194 S.934 MWRA Facilities Management & Planning 196 S.935 Alternative Energy Initiatives 198
S. 104 Braintree-Weymouth Relief Facilities Project Purpose and Benefits Contributes to improved public health Provides environmental benefits Fulfills a regulatory requirement Extends current asset life Improves system operability and reliability In accordance with a DEP administrative consent order, construction of relief facilities and the resulting reduction in community infiltration and inflow will provide capacity for peak sewage flow from Braintree, Hingham, Holbrook, Randolph, Weymouth, and sections of Quincy. This project will reduce surcharging in Braintree and Weymouth, and reduce frequent overflows into the Weymouth Fore River during wet weather. Project History and Background The Braintree-Weymouth interceptor system and pump station serves Braintree, Hingham, Holbrook, Randolph, Weymouth, and sections of Quincy. Because of population increases, the sewerage system cannot handle the volume of sewage received. Sewage overflows are severe and frequent along the Weymouth Fore River during wet weather. Interim rehabilitation work was required to ensure continued operation of the existing Braintree-Weymouth Pump Station during the long-term design and construction period. After initially proceeding with a dual track design approach for part of this project, MWRA decided to construct a deep rock tunnel rather than a marine pipeline from the new pump station to the Nut Island shaft of the Inter-Island Tunnel to Deer Island. Construction of the Emergency Mill Cove Siphon was completed in June 1998. Construction of the deep rock tunnel was completed in September 2003, and the North Weymouth Relief Intercept was completed in June 2002. The Intermediate Pump Station and sludge pumping facilities at Deer Island were completed in April 2005. The Fore River Siphons construction contract was completed in May 2005. Construction of the Replacement Pump Station was completed in April 2008. Rehabilitation of Section 624 was completed in December 2010. Scope Sub-phase Design 1/CS/RI – Tunnel & IPS Sediment Tests Design 2/CS/RI – Surface Tunnel Construction & Rescue Intermediate Pump Station Construction No. Weymouth Relief Interceptor Construction Scope Design of the tunnel and IPS. Includes completion of design modifications for sludge pumping facilities at Deer Island and residuals filtrate facilities at Fore River. Tests required as part of the evaluation of marine pipeline option. Design of remaining construction including siphons and replacement pump station. Construction of a 2.9-mile, 12-feet diameter tunnel beginning at the Nut Island shaft of the Inter-Island Tunnel and ending at the Fore River Staging Area. Two 14-inch sludge pipelines within the tunnel will convey Deer Island sludge from the Inter-Island Tunnel to the pelletizing plant. 0.4 miles of twin 12-inch pipelines within the tunnel will convey filtrate from the pelletizing plant to the Intermediate Pump Station. 2.5 miles of 42-inch force main will carry flows and filtrate to the Inter-Island Tunnel. Also includes a MOA with Quincy, Braintree, and Weymouth for tunnel rescue and fire support services. Construction of a 45-mgd pump station and headworks in North Weymouth. Also includes modifications to the sludge pumping facilities at Deer Island and the filtrate facilities at Fore River. Construction of 2,000 linear feet of 60-inch gravity sewer running from the Intermediate Pump Station and along the Exelon Energy site. Interception and Pumping - 17
Page 1 and 2: Capital Improvement Program Propose
Page 3 and 4: MASSACHUSETTS WATER RESOURCES AUTHO
Page 5 and 6: FY13 Proposed Capital Improvement P
Page 7 and 8: FY09-13 Spending Cap In June 2008,
Page 9 and 10: Highlights of changes from FY12 Fin
Page 11 and 12: Transmission: ($6.9) million Winso
Page 13 and 14: $3.4 billion of senior revenue bond
Page 15 and 16: Please refer to Attachment C for a
Page 17 and 18: Major Planned Spending for Fiscal Y
Page 19 and 20: The following graph displays the va
Page 21 and 22: Capital Improvement Program FISCAL
Page 23: Project Budget Summaries and Detail
Page 27 and 28: Project Status 11/11 97.4% Status a
Page 29 and 30: Expenditure Forecast (in $000s) and
Page 31 and 32: Project Status 11/11 35.2% Status a
Page 33 and 34: FES/FERS Biofilters Design & Constr
Page 37 and 38: Equipment Prepurchase Technical Ass
Page 39 and 40: Pump Station Feasibility MWRA consi
Page 43 and 44: Changes to Project Scope, Budget, a
Page 45 and 46: Sub-phase Interceptor Renewal #4 Ev
Page 47 and 48: Sub-phase NIH Electrical & Grit/Scr
Page 49 and 50: Sub-phase Section 156 Design/Build
Page 51 and 52: S. 146 Inspection of Deer Island Cr
Page 53 and 54: S. 206 Deer Island Treatment Plant
Page 55 and 56: Sub-phase Equipment Replacement: Cr
Page 57 and 58: Sub-phase Utilities: Heat Loop Pipe
Page 59 and 60: Sub-phase Specialties: Clarifier Re
Page 61 and 62: S. 210 Clinton Wastewater Treatment
Page 63 and 64: S. 211 Laboratory Services Project
Page 65 and 66: S. 271 Residuals Asset Protection P
Page 69 and 70: Channel, East Boston, and Alewife B
Page 71 and 72: MWRA’s NPDES permit and the varia
Page 73 and 74: Project South Dorchester Bay Sewer
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S. 339 North Dorchester Bay CSO Pro
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Project Status 11/11 96.9% Status a
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Expenditure Forecast (in $000s) and
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Explanation of Changes Revised cos
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Changes to Project Scope, Budget, a
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South Dorchester Bay Sewer Separati
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Explanation of Changes N/A CEB Imp
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of 2007, allowing DEP to issue a fi
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S. 359 Reserved Channel Sewer Separ
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S. 360 Brookline Sewer Separation P
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S. 361 Bulfinch Triangle Sewer Sepa
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S. 324 CSO Planning and Support Pro
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Explanation of Changes Project cos
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Integrated Water Supply Improvement
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changes to comply with the Stage 2
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Sub-phase Walnut Hill Ultra Violet
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S. 543 Quabbin Water Treatment Plan
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S. 545 Blue Hills Covered Storage P
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S. 550 Spot Pond Storage Facility P
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In September 2009 construction bega
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Sub-phase Owner Controlled Insuranc
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S. 615 Chicopee Valley Aqueduct Red
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S. 597 Winsor Station/Pipeline Impr
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Winsor Station/Pipeline Improvement
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Ware River Intake Valve Replacement
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the impacted facilities. The first
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Watershed Land Annual Spending $4 $
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permitting, design and construction
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S. 677 Valve Replacement Project Pu
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S. 712 Cathodic Protection of Distr
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S. 730 Weston Aqueduct Supply Mains
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Sub-phase Construction - Boston WAS
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Explanation of Changes Project c
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Sub-phase Section 107 Phase 1 Const
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Sub-phase Redundancy Pipeline/Stora
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S. 719 Chestnut Hill Connecting Mai
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Sub-phase Pump Station Rehabilitati
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Sub-phase Section 89/29 Rehab Desig
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Completion of this project will fac
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S. 723 Northern Low Service Rehabil
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S. 702 New Connecting Mains - Shaft
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S. 693 Northern High Service - Reve
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S.708 Northern Extra High Service -
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S. 735 Section 80 Rehabilitation Pr
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Sub-phase Communications Structures
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S. 763 Distribution Systems Facilit
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S. 765 Local Water Pipeline Assista
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S. 766 Waterworks Facility Asset Pr
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S. 933 Capital Maintenance Planning
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S. 881 Equipment Purchase Project P
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S.925 Technical Assistance Project
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Center and OCC infrastructure equip
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Sub-phase Phase VI (FY04-12) Scope
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Sub-phase DITP/OMS GIS/TV Inspectio
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S. 932 Environmental Remediation Pr
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S. 934 MWRA Facilities Management a
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S. 935 Alternative Energy Initiativ
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CEB Impacts Deer Island Wind Phase
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Understanding the Expenditure Forec
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Massachusetts Water Resources Autho
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Program / Project Contract No. Noti
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APPENDIX 3 New Capital Projects Add
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APPENDIX 4 Overview of the FY13 Pro
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Program and Project Total Budget Am
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APPENDIX 5 Master Plan/CIP Status
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Priority Four Important Projects Ri
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Monitor system needs and plan appro
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Appendix 5 Master Plan/CIP Status (
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Subphase/Project Appendix 6 Project
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Subphase/Project Total Contract Amo
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APPENDIX 7 Municipality and Project
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APPENDIX 7 PROJECT/MUNICIPALITY(s)
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Municipality Project Number/Project
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APPENDIX 8 MUNICIPALITY/PROJECT(s)
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APPENDIX 9 MWRA Completed Projects
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Appendix 9 S.117 Slade’s Siphon $
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Appendix 9 S.350 Union Park Detenti
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Appendix 9 S.615 Chicopee Valley Aq
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Appendix 9 S.714 Southern Extra Hig
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APPENDIX 10 Expected Useful Life of
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Proposed - Massachusetts Water Resources Authority

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