Explanation
1. BACKGROUND
This ordinance authorizes the Director of the Department of Public Utilities to enter into a contract modification for services with Evans, Mechwart, Hambleton & Tilton, Inc. (hereafter referred to as EMH&T) on the Blacklick Creek Interceptor contract, CIP #650034-100006, to add to the contract scope to for design work needed for the Blacklick Creek Sanitary Interceptor Sewer - Shaft 1 Control Gate project, CIP #650034-100010. This will be a zero dollar contract modification as enough funding remains on the existing contract to pay for the added design work.
Design Services for both the Blacklick Creek Sanitary Interceptor Sewer and the associated Air Quality Control Facility and have been completed. Construction of the interceptor sewer was completed in 2019, and the air quality control facility has recently begun construction. Given the rapidly developing areas within the Blacklick tributary area, and the proposed high water users that will generate additional significant sewage flows that could not have been anticipated when the original projects were designed, it was determined the design of a control gate to throttle flows during wet weather to prevent overflows in the downstream areas would need to be added to the sewer system.
The design work for the Blacklick Creek Sanitary Interceptor Sewer - Shaft 1 Control Gate project was bid through the City’s RFP process. The project was advertised on the Vendor Services site and the Bonfire site from March 10, 2023, through April 7, 2023. No proposals were received for the project. EMH&T designed the Blacklick Creek Sanitary Interceptor Sewer and the associated Air Quality Control Facility, has an open contract for those projects as they are still providing services during construction, the contract has sufficient funding remaining to perform the design services needed for the new work, and EMH&T has knowledge of the design work completed to this point that other firms would not ...
Click here for full text