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File #: 2018-536    Version: 1 Name:
Type: Resolution Status: Passed
File created: 1/8/2018 In control: Board of Directors
On agenda: 1/24/2018 Final action: 1/24/2018
Title: GLWA-CON-212 Lake Huron Water Treatment Plant Mechanical Improvements
Sponsors: Cheryl Porter
Indexes: Water Operations
Attachments: 1. GLWA-CON-212 Bid Tab, 2. GLWA-CON-212 Approval Checklist Form
Title
GLWA-CON-212
Lake Huron Water Treatment Plant Mechanical Improvements

Body
Agenda of: January 24, 2018
Item No.: 2018-536
Amount: $7,660,000.00


TO: The Honorable
Board of Directors
Great Lakes Water Authority

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

DATE: January 5, 2018


RE: Contract No. GLWA-CON-212
Lake Huron Water Treatment Plant Mechanical Improvements
Vendor: Detroit Contracting, Inc.


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-CON-212, "Lake Huron Water Treatment Plant Mechanical Improvements" with Detroit Contracting, Inc., at a cost not to exceed $7,660,000.00 for a duration of two (2) years and three (3) months; and authorizes the CEO to take such other action as may be necessary to accomplish the intent of this vote.
BACKGROUND
The Lake Huron Water Treatment Plant (LH WTP) was completed and put into service in 1976. The heating, ventilation, air conditioning (HVAC) and de-humidification systems are all original to the completion of the LH WTP. The failure of the dehumidification system allows condensation to occur on pipes and equipment in the filter gallery, and in combination with the chlorine in the atmosphere from disinfection, creates a corrosive environment that significantly reduces the life span of equipment, particularly electronic instrumentation and controls. In addition, modifications will be made to the electrical room ventilation to reduce moisture, dissipate heat, and maintain a positive pressure. This change will reduce the low levels of atmospheric chlorine and comply with the Michigan Department of Environmental Quality (MDEQ) standards for air exchange rates Finally, the replacement of the dehumidification unit with a desiccant wheel type unit will further reduce moisture in ...

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