Loretta Lake Drawdown Update
Following is a tentative schedule of the Loretta Lake Dam Project: this can change based on bids and contractor availability, but Jay believes the earliest start for drawing down the lake will be August 15. If for some reason the work cannot proceed on time, the project will be postponed until 2023. We are planning to have Jay and DNR officials speak and answer your questions at the town board meeting June 13th at 5:00 p.m.
DNR Plan Approval ………………………………………………………………….. April 11, 2022
Authorization to Bid From County……………………………………………… April 13, 2022
Final Plan Updates and Commence Advertising ………………………….. April 27, 2022
Bid Opening ……………………………………………………………………………. May 13, 2022
Award by County Board (if needed)……………………………………………. May 19, 2022
Submit Bid Tabulation to DNR for Approval…………………………………. May 23, 2022
Notice of Award from DNR………………………………………………………… June 13, 2022
Pre-Construction Conference ………………………………………………………. July 5, 2022
Notice to Proceed ………………………………………………………………………. July 5, 2022
Begin Construction……………………………………………………………………. July 15, 2022
Begin Drawdown …………………………………………………………………. August 15, 2022
Submit shop drawings for gates……………………………………………… August 15, 2022
Complete drawdown at 6” per day (22days ±)……………………… September 6, 2022
Complete Concrete Repairs……………………………………………… September 15, 2022
Install stop logs in Bay 3 while passing 25% of base flow…….. September 15, 2022
No increase in lake level after…………………………………………… September 25, 2022
Completion of all onsite work except gates………………………….. October 15, 2022
Complete gate fabrication (allowed 120 days after approval)……….. Dec. 13, 2022
Install gates………………………………………………………………………………. April 3, 2023
Raise lake to Normal Pool……………………………………………………………. May 5, 2023
Final inspection ………………………………………………………………………….. May 5,2023
One-year warranty ……………………………………………………………………. May 5, 2024
The above schedule allows bid review by the County Board, no increase in water levels after September 25th, completion of all onsite work by middle of October, allows 120 days to fabricate the gates after the shop drawings are approved, gates installed by spring of 2023 and water level can then begin to be restored. This schedule will allow the lake to be used for most of the summer of 2022 and refilled by early summer of 2023.