permanent canal closures & pumps · the corps awarded the approximately $615 million contract...
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BUILDING STRONG®
US Army Corps of Engineers
BUILDING STRONG® 1
Permanent Canal Closures & Pumps
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BUILDING STRONG®
Interim Closures Structures (ICS) Locations – Provide 100-year level of Risk Reduction
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BUILDING STRONG®
• Phase I Constructed Storm Surge Barrier and Installed Pumps (June 2006)
• 5,000 cfs - 18 hydraulic pumps and 14 hydraulic portable pumps
• Phase II Added Additional Pumping Capacity (Aug 2007)
• 4,000 cfs - 11 direct drive pumps
• Pumping Capacity: 9,000 cfs
Current ICS Barriers and Pumps
19 December 2013 3
• Phase I Constructed Storm Surge Barrier and Installed Pumps (2006)
• 2,000 cfs - 10 hydraulic pumps
• Pumping Capacity: 2,000 cfs
• Phase I Constructed Storm Surge Barrier and Installed Pumps (2006)
• 2,400 cfs - 12 hydraulic pumps
• Phase II Added Additional Pumping Capacity (Aug 2007)
• 2,600 cfs - 8 direct drive pumps
• Pumping Capacity: 5,000 cfs
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BUILDING STRONG®
Permanent Canal Closures and Pumps Public Involvement during IER 5
► Nine (9) Public Meetings held 12 Jun 2007 – 20 May 2009 • Criteria
Risk and Reliability Constructability Human and Environmental Impacts Operations and Maintenance
► Decision Record Signed 30 Jun 2009
PPA ► Executed 12 Mar 2010
RFP Community and Stakeholder Involvement ► Series of three (3) Public Meetings held 19 Nov 2009- 24 Mar
2010 ► CPRA, SWB, JP, SLFPA-E, OLD and EJLD
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BUILDING STRONG®
Apr 2013 Reaffirm Award to PCCP - $615M 6 May 2013 Design NTP Issued
9 May 2013 Logistics Meeting w/DB Contractor
20 May 13 Pre- Design Conference 9:00 AM at Marriot
21 May 13 Post Award Conference
4 Jun 13 Initial Design Conference
5-6 Jun 13 Design Build Workshop
14 Jun 13 PCCP Ground Breaking 25 Jun 13 Pre-Partnering Meeting
30 Jul 2013 Formal Partnering Conference
Nov 2013 Start Construction Jan 2017 Construction Complete
PCCP Milestone Schedule
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BUILDING STRONG®
Permanent Canal Closures and Pumps
Design and construction of closure structures and pump stations at or near the mouth of each outfall canal (17th Street, Orleans Ave., and London Ave.) operating in series with the existing Sewerage and Water Board of New Orleans (SWBNO) pump stations.
Reaffirmed award on Apr 17, 2013 to PCCP
Constructors a Joint Venture
Notice to proceed issued on May 6, 2013
Contract value is approximately $615 million
Contractual Completion early 2017
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BUILDING STRONG®
17th Street – 12,600 CFS / 94,255 GPS 15 generators (2.6 MW each), six 5,000 hp pump motors, two 2,500 hp pump motors
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Conceptual
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BUILDING STRONG®
17th Street – Gated Bypass / Trash Screens
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Bypass Open - 96 – 100% Conceptual
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BUILDING STRONG® 9
17th Street Aerial View (late Nov 2013)
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BUILDING STRONG® 10
17th Street West Side Bypass Cofferdam (late Nov 2013)
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BUILDING STRONG®
Orleans Avenue – 2,700 CFS / 20,197 GPS 4 generators (2.6 MW each), three 2,500 hp pump motors
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Conceptual
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BUILDING STRONG®
Orleans Avenue – Gated Bypass / Trash Screens
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Bypass Open - 96 – 100% Conceptual
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BUILDING STRONG®
Current Layout Orleans Avenue
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Primary Entrance
Secondary Entrance
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BUILDING STRONG® 14 Conceptual - From Marconi Drive
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BUILDING STRONG® Conceptual - From Crystal Street
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BUILDING STRONG®
Orleans Avenue Aerial View (late Nov 2013)
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BUILDING STRONG®
Orleans Avenue Surcharge (late Nov 2013)
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BUILDING STRONG®
London Avenue – 9,000 CFS / 56,060 GPS 11 generators (2.6 MW each), four 5,000 hp pump motors, two 2,500 hp
pump motors
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Bypass Open - 96 – 100% Conceptual
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BUILDING STRONG®
London Avenue – Gated Bypass / Trash Screens
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Conceptual
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BUILDING STRONG®
Current Layout London Avenue
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Secondary Entrance
Primary Entrance
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BUILDING STRONG® 21
Conceptual - From Pratt Drive/Lark Street
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BUILDING STRONG®
London Avenue Aerial View (late Nov 2013)
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BUILDING STRONG® 23
London Avenue Surcharge (late Nov 2013)
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BUILDING STRONG®
PCCP – Permanent Canal Closures and Pumps
Milestones Contractual Milestones
Notice to Proceed 06-May-13
Contract Completion Date (1336 Cal Days) 17-Jan-17
Construction Milestones 17th St Milestones
Orleans Ave Milestones
London Ave Milestones
Open new Bypass Gate Structure to Channel Flow 4/26/2014 11/25/2014 1/30/2015
Sluice Gates Complete 12/04/15 07/14/15 11/07/15
Dewater Pump Station Cofferdam Complete 11/24/14 08/20/14 11/22/14
Generator Building Dry In Complete 03/05/15 01/27/15 03/23/15
Rough Set First Pump 04/01/15 12/30/15 04/11/15
Pump Station & Auxiliary Building Dry In Complete 09/09/15 05/07/15 08/24/15
Water Up Pump Station Cofferdam Complete 10/12/15 06/14/15 10/11/15
Generators Operational w/ Power to Pump Motors 01/08/16 08/25/15 12/23/15
1st Pump Test 4th QTR 2015 3rd QTR 2015 1st QTR 2016
Contractual Complete 1/17/2017 1/17/2017 1/17/2017
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BUILDING STRONG®
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Vehicle Access Over Screening Platform with Access to Gate Structure
Pump Station Control Room 50 Ton Bridge Crane
Pumps with Vertical Gear Motor
Siphon Discharge
Climber Screen
Overhead Door
Spare Parts Storage Area
Canal Side Lake Side
Formed Suction Intake
Air Scour Floodwall El. +18.0’
Sheet Pile Cut-Off Wall Rip Rap
Generator Building
Rip Rap
17th and London Top of Building 52.9 ft Orleans Top of Building 49.9 ft
Canal Depth -29.8
17th Street
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BUILDING STRONG®
Approved Traffic Haul Routes
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BUILDING STRONG®
What to expect during construction ► Elevated noise levels from pile driving, generators, etc.
• Pile Driving Activities : 7:00 AM and 9:00 PM ► Increased truck traffic (trucks will utilize approved
haul routes) *plan reviewed and approved by State of LA DOTD, City of New Orleans, Jefferson Parish
► Temporary road closures ► Extended work hours (up to 24 hours per day)
Efforts to minimize impacts during construction
► Noise and vibration monitoring plan to ensure that construction stays within city ordinances
► Coordinating with City of New Orleans Department of Public Works on temporary road closures
► GPS tracking system to monitor contractor truck route ► Construction signage indicating work ongoing /
workers present; signage with construction impact hotline
Following Construction Operated during storm events Operated during routine maintenance
• Twice Monthly during Hurricane Season (June 1 - November 30) • One monthly (December 1 – May 31)
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Construction Impacts and Mitigation