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Massachusetts Water Resources Authority
Update on MWRA Training Programs
November 18, 2015
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Training Categories
MWRA Training
Succession Planning
Maintaining Knowledge and Skills
Acquiring & Maintaining Professional Licenses/Cer=fica=ons
Professional/Career Development
Facility Rehab & Start-‐up Vendor Training
Safety
Ensuring Accountability and Workplace Conduct
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Succession Planning
• Mobile Pumps • Operator Job Shadowing • M&O Rota=on • Cer=fied Water/Wastewater Maintenance Technician Level I (IMI)
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Maintaining Knowledge /Skills
• ASCE Managing the Design Process • ASCE Design & Installa=on of Buried Pipes • Specifica=on Wri=ng • Environmental Compliance Strategies • Wastewater Pumps & Hydraulics • Fundamentals of Secondary Treatment • Industrial Waste Treatment • Chemical Delivery • Hydraulics Ins=tute – Pump System Op=miza=on • Hands-‐on Microbiology • Sampling for NPDES Permit & Process Control
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Acquiring and Maintaining Professional Licenses/Certifications
• Water and Wastewater Operator • O & M Collec=on Systems • Wind Turbine Climbing & Rescue • CDL • Hois=ng • Professional Engineer (PE) • Underground Storage Tanks (UST) • Backflow Device Inspector/Tester • Cer=fied Control Systems
Technician (CCST)
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Professional/Career Development
• Vehicle Maintenance Technical Training • Supervisory Development • Blueprint Reading • Business Wri=ng • MIS Classes
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Facility Rehab and Start-up Vendor Training
Spot Pond Covered Storage Start-‐up Vendor Training Overview
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Safety
• OSHA 40, 24, 10, 8 • Hot Works Welding Safety • Safety Awareness • Confined Space • Lockout/Tagout • Electrical Safety for Non-‐Electricians • MBTA & Keolis Right of Way & Track Safety • Right to Know
Hot Works Welding Safety
MBTA & Keolis Right of Way & Track Safety
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Ensuring Accountability and Workplace Conduct
• Ethics • Diversity • Harassment Preven=on • Drug and Alcohol Abuse • Ac=ve Shooter
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Contract 7275 Valve and Piping Replacements
Various Facili=es Deer Island Treatment Plant
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Massachusetts Water Resources Authority
November 18, 2015
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North System Flow Shutdown – Event Overview
# of Valves / Flow meters Total # of Shutdowns
Force Main Dewatering System* NA 2* Winthrop Terminal Facility* 21 / 6 18* (9 x 2) North Main Pump StaKon 20 / 10 30 (10 x 3) Total* 41 / 16 50* *7 completed to date. WTF: There is poten=al to eliminate 12 full North Systems shutdowns, may be able to limit shutdowns to WT flows only.
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Summary of Shutdowns Through 11/17/15
• Total of 11 shutdowns to date
• 4 trial shutdowns 5/20 – Chelsea Creek & Winthrop Flows only 6/10 – Ward & Columbus Park Headworks only 6/24 – All North System Flows for 4 hours 7/22 -‐ All North System Flows for 8 hours
• 7 contractor shutdowns 9/1 5 hour: Install FM dewatering system 10/20 8 hour: Remove 1st WT 48” FM Isola=on valve 10/26 approx 6 hour: Install 1st WT 48” FM Isola=on valve 11/2 5 hour: Remove 2nd WT 48” FM Isola=on valve 11/5 approx 7 hour: Install 2nd WT 48” FM Isola=on valve 11/9 5 hour: Remove 3rd WT 48” FM Isola=on valve 11/16 5.5 hours: Install 3rd WT 48” FM Isola=on valve
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North System Shutdowns and Temporary Dewatering System
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DITP force main (between NMPS & WT and the Grit Facility) water level must be lowered by 40 i, (approx. 500,000 gal) to safely remove valves at NMPS & WT
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Temporary Dewatering Suction Manifold
• Temporary dewatering connec=on • Dewater 500,000 gallons to Primary • Approx. 60 minutes to dewater • Accomplished with 3 -‐ 10,000 gpm pumps • Automa=cally controlled by level
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Dewatering System Install / Shutdown on 9-1-2015
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Winthrop Terminal Facility Valve Replacement
Completed to date: • Three 48-‐inch Plug Valves on WTF Force Mains
Replaced ‒ Each valve -‐ 19,000 lbs
‒ 10 i off flow / near ceiling ‒ Restricted by fire service lines &
conduits ‒ 35 bolts (1.25” dia.) per side ‒ 6 restraining rods ‒ Dresser coupling with 30 bolts
• Allowed two Shutdowns (11pm to 7am) per valve
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Winthrop Terminal 48” Valve Removal – Sequence of Work
Day(s) in Advance:
• Exercise/replace 70 bolts on valve • Exercise/replace 6 restraining bolts • Exercise/replace Dresser coupling – 30 bolts • Arrange scaffolding • Move service pipes/electrical conduits in way
Morning of Work: • Set up crane -‐ Rig Valve • Verify dewatering system opera=on • Remove 1/3 of bolts on valve • Set rigging for blank flanges • Inventory supplies, extra components available on site
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Crane to Place Valves into Position
Crane used to aid work Crane boom penetrates roof & 1st floor through 3 foot square opening to support valve in lower level • 19,000 lb valve • Pre-‐Rigged for drop/lii • Must be level – only 0.5” to 1.5” space
between piping
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Winthrop Terminal 48” Valve Removal – Sequence of Work
Day of Work:
• 1 hr to dewater force main – confirm liquid level • Maximum of 7 hrs to complete work
‒ Remove remaining bolts (valve supported by crane)
‒ Remove restraint rods ‒ Remove dresser coupling – verify ample
spacing ‒ Drop valve ‒ Install blank flange & mega-‐lug blank ‒ Re-‐install restraining bolts ‒ Install strong backs on blanks ‒ Install jacks for lateral support between pipe
sec=ons ‒ Restore pumping opera=on
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Removal of 48” Force Main Isolation Valves
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Remove Existing Valves
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Remove Existing Valve by Wall
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Rig New Valve into Building
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Install New 48” Plug Valve
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Rig New Valve into Position / Make Final Connections
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Install New Coupling Assembly
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Future Valve Replacement Challenges – North Main Pump Station
Isola=on Bumerfly Valve
New Flange • Larger valves – 60”
• Tight confining spaces
• Rigging from ceiling (no crane openings)
• No flange on elbow – pipe must be cut
• S=ll working in 7 hr construc=on window
• Once cunng begins – point of no return
• NS Flows can not be restored un=l blank is
installed on force main.
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MWRA Collection System – Only North Flows Impacted
North System Tributary Areas Winthrop Terminal Facility System • BWSC (E. Boston) • Revere • Winthrop Chelsea Creek Headworks System • Arlington • Bedford • Belmont (por=on) • BWSC (Charlestown) • Burlington • Cambridge (por=on) • Chelsea • Everem • Lexington • Malden • Medford • Melrose • Reading • Somerville • Stoneham • Wakefield • Wilmington • Winchester • Woburn Columbus Park Headworks System • BWSC (Downtown, S. Boston, Dorchester) • Milton Ward Street Headworks System • Belmont (por=on) • Brookline • Cambridge (por=on) • Newton • Waltham • Watertown
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• NS Shutdowns scheduled between 11PM-‐7AM – When flow condi=ons allow – All work Weather dependent
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When are the Shutdowns Occurring?
Shutdown Period Recovery Period
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Collection System Monitoring Locations
Cri=cal loca=ons will be monitored Staff will be recording eleva=ons every 15 minutes Immediately no=fy the EOC when the eleva=on reaches a pre-‐determined eleva=on at each sta=on
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Elevation Readings at the Monitoring Locations
Staff record eleva=ons every 15 minutes throughout shutdown.
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Elevation Readings at the Monitoring Locations
Staff in the EOC monitor facility eleva=ons to compare against model simulated system response.
80.00
85.00
90.00
95.00
100.00
105.00
110.00
115.00
11/5/15 21:36 11/6/15 0:00 11/6/15 2:24 11/6/15 4:48 11/6/15 7:12 11/6/15 9:36 11/6/15 12:00 11/6/15 14:24
Level (U)
Date & Time
Chelsea Creek Headworks Model Predic=on 207 MGD ADF Elev. (i) PI Data Measured Level (Ft.) Model Predic=on 155 MGD ADF Elev. (i)
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Elevation Readings at the Monitoring Locations
Staff in the EOC monitor in system meters to compare against model simulated system response.
80.00
85.00
90.00
95.00
100.00
105.00
110.00
115.00
120.00
11/5/15 21:36 11/6/15 0:00 11/6/15 2:24 11/6/15 4:48 11/6/15 7:12 11/6/15 9:36 11/6/15 12:00 11/6/15 14:24
Level (U)
Date & Time
Meter SO-‐BO-‐3 Model Predic=on 207 MGD ADF Elev. (i) PI Data Measured Level (i)
Model Predic=on 155 MGD ADF Elev. (i)
LocaKon: Arlington Ave, Charlestown (SECWRA: 035 Sta. 0009+72) Interceptor: Metropolitan Sewer, Somerville-‐Medford Branch Sewer
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Massachusetts Water Resources Authority
Emergency Response Drill Wachusett Reservoir
November 18, 2015
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• Pan Am Railway line along the Wachusem Reservoir • Typically two freight trains per day • Carrying a variety of chemicals including crude oil • Train derailments fairly common in the United States and Canada
Concern Over Train Travel by the Wachusett Reservoir
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• MWRA • Department of Conserva=on and Recrea=on • Department of Environmental Protec=on • Pan Am Railways • South Wachusem Regional Emergency
Planning Commimee • Federal Railroad Administra=on • Transport Security Agency • Environmental Protec=on Agency • Mass State Police • Mass Emergency Management Agency • Mass Department of Transporta=on
The Participants
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• Mass Department of Fire Services • Mass Fusion Center • University of Massachusems Amherst • West Boylston Fire Department • Boylston Fire Department • Holden Fire Department • Sterling Fire Department • Clinton Fire Department • West Boylston Water District • Clinton DPW / Water District • Boylston Water District • Anna Marie College
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• Monitor rail car contents • Work with Pan Am Railways on
track condi=on and train speed • Work with the DCR on deploying
booms • Reservoir modeling by University
of Massachusems, Amherst • Spill Emergency Response Plan • Research into water treatment
effects on chemicals
Precautions Taken
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• Desktop drill on December 16, 2014
• Field drill on October 15, 2015 ‒ 1 train ‒ 20 bags of peat moss ‒ 230 par=cipants
Exercises Simulating a Train Derailment
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• Train derails on the Quinapoxet Causeway in the Thomas Basin
• One rail car ruptures and spills 30,000 gallons
• Two rails cars develop slow leaks
• Red placards read “1267”
The Train
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• Peat moss was used to simulate floa=ng crude oil
Peat Moss
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The Drill Begins
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Incident Command System and Unified Command
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WB FD, MWRA, DCR, DEP
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Status Briefing
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Remote Sites – Cosgrove and Carroll WTP
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First Boom
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Subsequent Boom Deployments – Route 12
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Boom in Front of Cosgrove Intake
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• text
Water Quality Sampling
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Sampling Data Base
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• More frequent status updates • Second common radio channel • Possible Wiki use for event log • Bemer ICS resource tracking • CWTP EOC reconfigura=on • Bemer Cosgrove boom moorings • Surface transport model needed • More robust Mobile Lab GC/MS
Lessons Learned
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Massachusetts Water Resources Authority
Remediation of Direct Discharges at Wachusett Reservoir
November 18, 2015
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Wachusett Reservoir is Surrounded by Major Roads Stormwater Runoff and Risk of Spills = WQ threats
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Water Quality Threat – Hazardous Spills
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Direct Discharge: Location Where Runoff Is Directed To The Reservoir, Through A Pipe Or Other Structure
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• Conducted in 2008 • Iden=fied priority areas for
treatment or removal
• Made ini=al recommenda=ons: – Phase I – Phase II
Initial Road Drainage Assessment
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Prior Work: Cosgrove Intake Stormwater Improvements 1998
All local roof, pavement drainage and misc. building flows collected and directed to 2-‐25K Gal. storage tanks
Storage tanks discharge to constructed underground drainage system and out-‐of-‐basin at surface drain.
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• Design awarded 2009 • MassDOT funded construc=on,
completed in 2012 • Eliminated 6 direct discharges; two
local BMPs • Total cost -‐ $1.9 Million
Phase I Project – Completed
Cosgrove Intake
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Phase I BMP – Infiltration Basin at Rt 70
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Phase I BMP - Bioretention Basin at Clinton Courthouse
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Phase I BMP – Bioretention Basin at River Road
• All BMPs inspected by DCR 2x/year; and aier any storm > 3 inches.
• DCR agreement w/ MA DOT for each project
sta=ng DCR will maintain BMPs.
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Phase II Project - 3 Areas
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Area 1 - Route 12/140 Causeway – Existing Conditions
Road runoff down hill and directly to reservoir from road
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Area 1 - Route 12/140 Causeway – Proposed Design
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Area 2 - Beaman Street Bridge – Existing Conditions
Road runoff down hill to reservoir
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Area 2 - Beaman St. Bridge – Proposed Design
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Area 3 - South Bay – Existing Conditions
Road runoff to reservoir via direct discharges
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Area 3 - South Bay – Proposed Design
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Area 3 - South Bay – Proposed Design
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Area 1 -‐ Route 12 Causeway Design awarded. MassDOT bid Sept. 2015 Construc=on 2016
$ 3.0 M (excluding water main -‐ at Town cost) Area 2 -‐ Beaman St. Bridge
75% Design completed Public Hearing Fall 2015 An=cipated accelerated Bid in 2016/Construc=on 2017
$1.0 M (excluding water main -‐ at Town cost) Area 3 -‐ South Bay
75% Design completed Public Hearing Fall 2015 $ 1.4 M
Phase II Project Status
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• Program Underway to Eliminate/Mi=gate Roadway Spills/Stormwater Discharges
• Priori=zed Based Upon Loca=on/Poten=al Water Quality Impacts.
• DCR Watershed/MWRA/MassDOT and Town of West Boylston Coordina=ng
• MWRA Funding Design: $698,000
• MA DOT Funding Construc=on: $8,091,400
Wachusett Reservoir Direct Discharge Summary
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Project Summary Table
Project DCR Fiscal Year Budgets*
Total Design Cost included in DCR Budget ConstrucKon Year MassDOT Funding PotenKal addiKonal
DCR costs
Phase I Phase I – Cosgrove Intake roadway area
improvements FY9 – 12 $173,000 2012 $1,900,000 -‐
Phase II Conceptual Study FY12 $ 45,000 -‐ -‐ -‐
Area 1 -‐ Rt 12 Causeway Improvements FY12-‐16 $191,000 2016 $3,000,000*** -‐
Area 2 -‐ Beaman St. Bridge Improvements FY13-‐16 $116,000 2020** $1,001,800*** $60,000
Area 3 -‐ South Bay Improvements FY15-‐16 $173,000 2020 $2,189,600 $60,000
Total $698,000 $8,091,400 $120,000 *Water Supply Protec=on Trust-‐ approved ** An=cipated accelera=on to 2016/17 *** Excluding town-‐funded water main
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Massachusetts Water Resources Authority
Northern Intermediate High Section 110 Reading and Woburn
Construction Contract Award
November 18, 2015
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Northern Intermediate High Redundancy Loop
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Northern Intermediate High Contract 7471
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Bid Results for Contract 7471
General bids were opened on October 22, 2015 as follows: Albanese D&S $9,888,000 P. Gioioso and Sons $9,945,400 Fed Corp $10,054,809 Baltazar Contractors Inc. $10,417,000 Albanese Brothers Inc. $10,897,000 Revoli Construc=on $11,032,450 RJV Construc=on $11,888,000 P. Caliacco Corp. $12,178,000 The Dow Company $12,713,000 McCourt Construc=on Company $15,811,000
Engineers Es)mate $10,100,000
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Contractor
• Low bidder is Albanese D&S • Prior MWRA projects:
• Northern High Service Pipeline Improvements-‐Sec=on 53
• Northern Intermediate High Stoneham-‐Reading Connec=on
• Cummingsville Branch Replacement Sewer
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Recommendation
• Staff have determined that Albanese D&S is qualified to construct contract Northern Intermediate High Sec=on 110 – Reading and Woburn and is the lowest responsible and eligible bidder
• Staff recommends the award of Contract 7471 to Albanese D&S in the
amount of $9,888,000 for a contract dura=on of 808 calendar days
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Construction Schedule
• Construc=on No=ce to Proceed November 2015
• Construc=on Substan=al Comple=on December 2017
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Massachusetts Water Resources Authority
Wachusett Aqueduct Pumping Station Construction Contract Award
November 18, 2015
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MWRA Transmission System
Pumping Station
Carroll WTP
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Carroll WTP Supply – Cosgrove Tunnel
Cosgrove Tunnel Supply
Wachusem Aqueduct Extension
Carroll WTP
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Carroll WTP Supply – Wachusett Aqueduct for Redundancy
Wachusem Aqueduct Supply
Wachusem Aqueduct PS
Carroll WTP
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Major Design Elements
• 240 mgd pumping sta=on located near the end of the Wachusem Aqueduct • Security Gate Improvements
Carroll WTP
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WAPS and Carroll WTP Site
Wachusem Aqueduct Terminal Chamber
Forebay Channel
Wachusem Aqueduct Pumping Sta=on Site
Carroll WTP
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• 122ʹ′ x 68ʹ′ and 51ʹ′ high masonry building • Surge tank • Storage yard
Wachusett Aqueduct Pump Station Rendering
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Basement Plan
• Seven 40 mgd pumps with 700 hp motors (six for 240 mgd and one stand-‐by) • Control valves on pump discharge to prevent surges • Overflow Channel
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Section
• Constant speed ver=cal turbine pumps • Intake Channel • Overflow Channel
To CWTP
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Entrance Improvements
• K-‐12 Security Gates • Guard House • Canopy
To CWTP
To Marlborough PS
To Interim Corrosion Control Facility
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Entrance Improvements
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Bid Results for Contract 7157
General bids were opened on October 15, 2015 as follows: • BHD/BEC JV 2015, A Joint Venture $47,011,000 • Walsh Construc=on Company $47,789,433 • PC/R.H. White, Joint Venture $47,855,000 • Carlin Contrac=ng Co., Inc. $49,586,840 • Daniel O’Connell’s Sons $49,967,433 • J.F. White Contrac=ng Co. $50,467,433 • Engineer’s Es)mate $60,500,000
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Contractor
Low bidder is BHD/BEC JV 2015, A Joint Venture: • Barlema Heavy Division
• Barlema Engineering Corpora=on
• Numerous Prior MWRA projects including John J. Carroll Ozone Treatment Plant
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Recommendation
• Staff have determined that BHD/BEC JV 2015 is qualified to construct the Wachusem Aqueduct PS and is the lowest responsible and eligible bidder
• Staff recommends the award of Contract 7157 to BHD/BEC JV
2015, A Joint Venture in the amount of $47,011,000 for a contract dura=on of 1,260 calendar days
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Construction Schedule
• Construc=on No=ce to Proceed December 2015
• Construc=on Substan=al Comple=on June 2019
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