PROJECT NOTICE/JUSTIFICATION: This project was part of the City's ongoing program for improvements to the major wastewater treatment plant (WWTPs).
DESCRIPTION/SCOPE: This project consisted of various upgrades and improvements to the wastewater treatment plants including, but not limited to the following:
- Bar screen addition at West District WWTP
- Access shaft, lift station pump guid system rehabilitation, and odor control system rehabilitation at Upper Brays WWTP.
Malcolm Pirnie/ Arcadis US, Inc designed the project with 510 calendar days allowed for construction. The project was awarded to LEM Construction Company, INc., has completed the work under the subject Contract. The project was completed on time with additional 154 days approved by Change Order No. 2. The final cost of the project, including overrun and underrun of estimated unit price quantities and previously approved Change Order No. 1 is $6,007,432.50 a decrease of $366,367.50 or 5.75% under the original Contract Amount.
The decreased cost is a result of the difference between planned and measured quantities. This decrease is primarily the result of an underrun in Base Unit Price (Upper Brays) Items, and Extra Unit Price Items, which were not necessary to complete the project.
M/WBE PARTICIPATION: The M/WBE goal established for this project was 18%. According to Mayor's Office of Business Opportunity, the participation was 18.78%. Contractor's M/WBE performance evaluation was rated Satisfactory.