Massachusetts Water Resources Authority Water Resources Authority Settlement Agreement for Various...
Transcript of Massachusetts Water Resources Authority Water Resources Authority Settlement Agreement for Various...
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Massachusetts Water Resources Authority
Report on 2016 Water Use Trends and Drought Status
January 18, 2017
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Total Consumption by MWRA Communities (1980 to 2016)
150
170
190
210
230
250
270
290
310
330
1980 1985 1990 1995 2000 2005 2010 2015
mgd
2016 --200.7. mgd
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Daily System Demand
100
150
200
250
300
350
mgd
System Demand
max day 2016
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Boston Water Use (1900 to 2016)
40
60
80
100
120
140
160
1901
1911
1921
1931
1941
1951
1961
1971
1981
1991
2001
2011
MG
D 2016 average = 65.5 mgd
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Fully Supplied Communities Demand (2000 to 2016)
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Fully Supplied Communities (Annual Base and Outdoor Use)
2000 2002 2004 2006 2008 2010 2012 2014 2016
mgd
050
100
150
200
250
IndoorOutdoor
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Partially Supplied Communities
Annual demands shown as barplots, while daily is shown as a linegraph on this composite plot.
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Reservoir Withdrawals Reservoir Withdrawals –– 5 Year Running Average
190200210220230240250260270280290300310320330340350
1980 1985 1990 1995 2000 2005 2010 2015
Mill
ion
of G
allo
ns P
er D
ay
5-yr Running Average Safe Yield
5-year average withdrawal = 204.3 mgd
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Massachusetts Drought Status Designations
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It Has Continued To Be Dry In the Service Area
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5%
50%25%
95%
75%
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Driest Summer on Record
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JAN FEB MAR APR MAY JUN JUL AUG SEP OCT NOV DEC Annual
Long-term Average 3.64 3.36 4.01 3.57 3.37 3.46 3.04 3.40 3.29 3.44 4.01 4.09 42.7
2016 Total 3.27 4.18 3.17 2.91 2.83 1.33 0.87 1.72 1.38 5.46 2.7 3.25 33.07
Driest summer ever recorded. Total only 3.92 inches
Inches of Precipitation at Logan Airport
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Cum
ulat
ive
Yie
ld -
Mill
ion
Gal
lons
1000
030
000
5000
070
000
9000
011
0000
Jan
Feb
Mar Apr
May Jun
Jul
Aug
Sep Oct
Nov
Dec
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QuabbinQuabbin Watershed Watershed -- Cumulative Yields
5%
50%
25%
95%
75%
2016 Cumulative Yields
1965 Cumulative Yields
1964 Cumulative Yields
2015 Cumulative Yields
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60
70
80
90
100
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
% F
ull
20002001200220032004200520062007200820092010201120122013201420152017
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QuabbinQuabbin Reservoir Volume
Below Normal
Normal
Warning
2002
2016
20172003
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Quabbin Reservoir Projections Quabbin Reservoir Projections –– Starting January 1, 2017
1-Month 3-Months 6-Months 12-Months
Median YieldBelow Normal Below Normal Normal Normal
Dry (75th Percentile) Below Normal Below Normal Below Normal Normal
Driest(of Record) Below Normal Below Normal Below Normal Below Normal
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Communities That Received Emergency Drought Assistance in 2016
Community Amount Supplied (Million Gallons)
Worcester 847.3
Cambridge 515.2
Burlington 7.9
Ashland 3.2
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• Quabbin Reservoir remains in Below Normal status • There is sufficient water to meet MWRA member
community demand • Plus help adjacent communities that are stressed by
the drought
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Summary
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Massachusetts Water Resources Authority
Settlement Agreement for Various Design Contracts and Hatchery Pipeline and
Hydroelectric Project Amendment No. 2Contract 7017A
January 18, 2017
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Settlement Agreement
Design Errors and Emissions Stantec (Formerly Fay, Spofford, and Thorndike)
Contract ProjectConstruction
Cost6584 Lynnfield/Saugus Pipeline $4.92 M7259 North Dorchester Bay Vent building $5.16M
7085A CWTP Secondary Gaseous Oxygen $ 1.23M
Settlement Agreement
• $70,000 Credit to MWRA for Design Errors and Omissions• Applied to Contract Hatchery Pipeline and Hydroelectric
Project
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Amendment No. 2 Amendment No. 2 -- $146,000
• Design Improvements $ 83,737
• Meter, Valve and Hydrant at Hatchery Mixing Basin• Value Engineering/Cost Reduction• Permit Fee Reimbursement
• Engineering Services During Construction and and Three Month Time Extension $62,263
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Amendment No. 2
• Time Extension – 3 months to September 1, 2017• Current Stantec End Date: May 31, 2018• Current Construction Substantial Completion: Sept. 1, 2017• Current Warranty End Date Sept. 1, 2018
• Negotiated Settlement- 5B and Amendment Request• Additional Services Provided $146,000• Subtract 5B Settlement $ 70,000
(N Dot Vent Blg., Saugus Pipeline, Gaseous O2)• Reallocation – Unexpended Funds $ 76,000 • Balance $ 0
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Project Status
• Pipeline on line - December 2016• Substantial Completion – September 2017
• Stainless steel pipe below Rt. 9 Bridge.
Stainless Steel Pipe Below Rt. 9 Bridge. Hydropower Building
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Massachusetts Water Resources Authority
NIH Redundancy PipelineDesign, ESDC/REI
Contract 6906
January 18, 2017
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NIH Redundancy PipelineNIH Redundancy PipelineNIH Redundancy PipelineContract 6906
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NIH Redundancy PipelineNIH Redundancy PipelineNIH Redundancy PipelineContract 6906 NIH Redundancy PipelineContract 6906 Contract 6906 -NIH Redundancy PipelineNIH Redundancy PipelineNIH Redundancy Pipeline
-- Original Project Route
Contract 7066:• 19,600 linear feet of 48-inch pipeline• Original Anticipated NTP December 2013.• Substantial Completion December 2016
Contract 7067:• 16,500 linear feet of 36-inch pipeline• Original Anticipated NTP September 2013• Substantial Completion September 2016
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NIH Redundancy PipelineNIH Redundancy PipelineNIH Redundancy PipelineContract 6906 NIH Redundancy PipelineContract 6906 Contract 6906 -NIH Redundancy PipelineNIH Redundancy PipelineNIH Redundancy Pipeline
-- Current Project RouteContract 7066:• 2,400 linear feet of 36-inch pipeline• Completed May 2015.
Contract 7471:• 8,800 linear feet of 36-inch pipeline• NTP January 2016• Substantial Completion December 2017
Contract 7478: • 7,800 linear feet of 48-inch pipeline• 2,600 linear feet of 16 and 12-inch pipeline• NTP January 2017• Substantial Completion June 2018
Contract 7067:• 14,000 linear feet of 48-inch pipeline• Anticipated NTP May 2017• Substantial Completion December 2019
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• Time Extension 39 Months(September 2017 - December 2020)
• Task 1 Project Administration $103,409
• Task 3 Engineering Services During Construction $306,722
• Task 4 Resident Engineering Services $490,723
• Amendment 2 Total $ 900,854
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NIH Redundancy PipelineNIH Redundancy PipelineNIH Redundancy PipelineContract 6906 NIH Redundancy PipelineContract 6906 Contract 6906 –NIH Redundancy PipelineNIH Redundancy PipelineNIH Redundancy Pipeline
–– Amendment 2 Summary
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Massachusetts Water Resources Authority
January 18, 2017
Northern Intermediate High, Section 110Contract No 7471 – Change Order 7
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Contract No 7471 NIH
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Plan
Added contaminated limits from soil
analysis
Original contaminated soil
limits
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GeoprobeGeoprobe on Oak Street on Oak Street -- Reading
• Pre-Characterization of Soil
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GeoprobeGeoprobe on Main Street on Main Street -- Reading
• Pre-Characterization of Soil
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Excavation and Pipe Installation
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