CITY COUNCIL AGENDA ITEM
ACTION REQUESTED:
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Approve the award of Bid 21-017, 2021 Sanitary Sewer Manhole Rehabilitation, to Spectra Tech, LLC for an amount not to exceed $182,680, plus a 5% contingency
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DEPARTMENT: Water Utilities
SUBMITTED BY: Darrell Blenniss, Director
BOARD/COMMISSION REVIEW:
N/A
BACKGROUND:
The Sanitary Sewer Manhole Rehabilitation program began in 2000. The program is part of the following requirements:
* Illinois Environmental Protection Agency (IEPA) required Capacity, Management, Operations and Maintenance (CMOM) plan
* Ten-year Infiltration and Inflow Reduction Program under Naperville's National Pollutant Discharge Elimination System (NPDES) permit IL0034061
Naperville's proactive approach to combating infiltration and inflow (I&I) into the sanitary sewer system yielded positive results. Since 1998, the population of Naperville increased by roughly 30,000 people or about 20%. However, the average amount of water treated at the Springbrook Water Reclamation Center decreased by roughly 18% over the same period.
The Water Utilities issued Bid 21-017 seeking a contractor to rehabilitate 50 existing sanitary sewer manholes, most of which are old brick or concrete block manholes. The bid specifications require installation of a non-cementitious coating to all interior surfaces including channel, bench, barrel, cone and chimney sections of the manhole. Over the past 20 years, the specified coating product has withstood winter freeze-thaw cycles without cracking. The no-dig process creates a manhole liner that seals out stormwater induced infiltration and ground water inflow. The majority of manholes included in the bid are located in the downtown and college areas.
DISCUSSION:
Advertisement Date: 6/07/2021 Notices Sent: 92
Bid Opening Date: 6/22/2021 Plan holders: 15
Bids Received: 3
Bids were received from the following vendors:
VENDOR...
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