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File #: 2019-425    Version: 1 Name:
Type: Resolution Status: Passed
File created: 12/3/2019 In control: Board of Directors
On agenda: 12/19/2019 Final action: 12/19/2019
Title: Proposed Amendment No. 2 Contract No. GLWA-DB-150 Design-Build Repair for Portions of the Pennsylvania, Springwells and Northeast Raw Water Tunnels CIP#: 116002
Sponsors: Cheryl Porter, Todd King
Indexes: Water Operations
Attachments: 1. Water and Sewer Tunnel Project Status and Conner Freud Pump Stations 11.13.pdf
Related files: 2019-398
Title
Proposed Amendment No. 2
Contract No. GLWA-DB-150
Design-Build Repair for Portions of the Pennsylvania, Springwells and Northeast Raw Water Tunnels
CIP#: 116002
Body
Agenda of: December 19, 2019
Item No.: 2019-425
Amount: Original Contract $10,702,047.28
Amendment No. 1 0.00
Proposed Amendment No. 2 83,875,430.00
Total Contract Amount $94,577,477.28

TO: The Honorable
Board of Directors
Great Lakes Water Authority

FROM: Sue F. McCormick
Chief Executive Officer
Great Lakes Water Authority

DATE: December 3, 2019

RE: Proposed Amendment No. 2
Contract No. GLWA-DB-150
Design-Build Repair for Portions of the Pennsylvania, Springwells
and Northeast Raw Water Tunnels
Vendor: Ballard Marine Construction, LLC


MOTION
Upon recommendation of Cheryl Porter, Chief Operating Officer - Water and Field Services, the Board of Directors (Board) of the Great Lakes Water Authority (GLWA), authorizes the Chief Executive Officer (CEO) to enter into Contract No. GLWA-DB-150 Amendment No. 2 "Design-Build Repair for Portions of the Pennsylvania, Springwells and Northeast Raw Water Tunnels" with Ballard Marine Construction, LLC, at an increased cost of $83,875,430.00 for a total cost not to exceed $94,577,477.28 and an increased duration of 1,860 days for a total contract duration of 2,501 days; and authorizes the CEO to take such other action as may be necessary to accomplish the intent of this vote.

BACKGROUND
The inspection work conducted under CS-1623 "Inspection, Condition Assessment and Engineering Evaluation of Raw Water Intake Tunnels and Related Facilities," indicated that four sections of the Pennsylvania, Springwells and Northeast Tunnels required repairs. The four sections, ranging in length from 60 to 400 lineal feet, require repairs to address cracking that could result in soil infiltration. Left unaddressed, soil infiltration could result in raw water tunnel failure and result in loss of service for extensive port...

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