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CHANGE ORDER NO. FIVE TO CONTRACT K-1314-136: BY AND BETWEEN THE NORMAN UTILITIES AUTHORITY AND ARCHER WESTERN CONSTRUCTION, L.L.C. INCREASING THE CONTRACT AMOUNT BY $324,283.30 FOR A REVISED CONTRACT AMOUNT OF $52,226,706 AND GRANTING AN EXTENSION OF 124 CALENDAR DAYS TO THE CONTRACT, AUTHORIZING ACCEPTANCE OF THE WATER RECLAMATION FACILITY (WRF) PHASE 2 IMPROVEMENTS AS OF AUGUST 1, 2017, AND EXECUTION OF MAINTENANCE BOND MB-1718-24 FOR THE WRF PHASE 2 MAINTENANCE IMPROVEMENTS.
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BACKGROUND: The Wastewater Master Plan (WWMP), adopted by the Norman Utilities Authority (NUA) in 2001, recommended that additional facilities treating an average design flow (ADF) of 21.5 million gallons per day (MGD) would ultimately be needed to serve the area approved for urban development under the 2025 Land Use and Transportation Plan. The WWMP recommended expansion of the South Water Reclamation Facility (WRF) from 12 to 17 MGD and construction of a new North WRF with an ultimate ADF of 4.5 MGD.
More recently, staff recommended and the NUA agreed that the South WRF would be rehabilitated and expanded first and the North WRF would be designed and constructed in the future when the capacity of the recently expanded Lift Station D was consumed. Based on this premise, Norman voters approved a rate increase in October 2013, in part for expanded treatment capacity at the South WRF.
Regulatory Requirements: Our Oklahoma Pollutant Discharge Elimination System (OPDES) permit for the South WRF issued by Oklahoma Department of Environmental Quality (DEQ), required construction of new disinfection facilities and compliance with final discharge limits by July 1, 2013. On September 12, 2014, the NUA and DEQ agreed to Consent Order 13-077 which included the following schedule:
1. Complete construction of disinfection facilities by January 1, 2016;
2. Attain compliance with final limits for Fecal Coliform by July 1, 2016;
3. Complete construction of all facilities by January 1, 20...
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