This project will remove deteriorated existing annular seals and replace with polyurethane elastomeric annular sealant on two wastewater digester tank covers.  It will also include the removal, repair and replacement of closed cell polyurethane spray foam insulation and urethane elastomer coating on the digester cover roofs.  The project is located at 4366 Napoleon Street SE, Iowa City, Iowa.

Project Schedule Information: 

Specified Start Date:  December 13, 2018
Milestone 1 (Digester 8101):  January 18, 2018
Milestone 2 (Digester 8201):  March 30, 2019
Final Completion:  June 30, 2019
Liquidated Damages:  $250 per day

Date plans available: 
Tuesday, November 13, 2018
Obtain from: 

Rapids Reproduction
415 Highland Avenue
Iowa City, IA   52240



Pre-bid Conference: 

Date:  Tuesday, November 20, 2018
Time:  10:00 a.m.
Location:  Wastewater Treatment Facility, 4366 Napoleon Street SE, Iowa City, IA

Project Status


Engineer's Estimate


Bid Deadline

Thursday, November 29, 2018 - 2:30pm