Projects

In And Around Your Community

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Hallsdale-Powell Utility District (HPUD) has completed many improvements to its sewer collection system and its main wastewater treatment facility since the 2004 TDEC Commissioner’s Order. Those actions have eliminated violations at the WWTP and reduced sanitary sewer overflows (SSOs).  However, SSO’s continue to occur at a higher than acceptable level.  Consequently, as of August 27, 2014 the aforementioned Commissioner’s Order was superseded by Consent Order 14-0044 requiring the elimination of SSO’s by 2024. This Order resulted in the development and implementation of a revised plan to address the SSO’s through a combination of ongoing investigative and rehabilitation initiatives as well as new improvements initiatives including equalization tanks and interceptor replacement.

Program Phase 3: Sanitary Sewer Rehabilitation

Project Description: Hallsdale-Powell Utility District (HPUD) completed a wastewater collection system rehabilitation program to address infiltration and inflow issues within the collection system to comply with the Tennessee Department of Environment and Conservation’s Consent Order # 14-0044. As part of this program, HPUD rehabilitated areas of the system that were identified via preventative maintenance and inspection efforts. The collected scope of Work was issued for bid and awarded for construction as Sanitary Sewer Rehabilitation Program Phase 3 – Contract 1. The scope of work consisted of lining and/or replacement of approximately 27,850 linear feet of sanitary sewer pipeline, 140 point repairs, and 425 manholes as shown in the Story Map for Phase 3 Rehab.

Program Phase 4: Sanitary Sewer Rehabilitation

Project Description: Hallsdale-Powell Utility District (HPUD) is in Phase 4 of its wastewater collection system rehabilitation program to address infiltration and inflow issues within the collection system to comply with the Tennessee Department of Environment and Conservation’s Consent Order # 14-0044. As part of this program, HPUD is rehabilitating areas of the system that have been identified via preventative maintenance and inspection efforts. HPUD staff identified rehabilitation elements for inclusion in Phase 4 of the Sanitary Rehabilitation Program. The Phase 4 elements consist of the lining and/or bursting of approximately 44,400 linear feet of sanitary sewer pipeline, 460 service laterals, 190 point repairs, and 337 manholes with 2,445 vertical feet of lining as shown in the Story Map for Phase 4 Rehab.
The Interactive Map tour highlights some of the work that occurred during the rehab project.

Interactive Map

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Project 3: Beaver Creek Solids Handling Improvements (Completed)

Clean Water State Revolving Fund Project

 

Project Description: This project consists of the construction of several solids handling improvements at the Beaver Creek Wastewater Treatment plant, including converting an existing tank to waste activated sludge equalization with coarse bubble aeration; converting existing clarifiers and digesters to a jet aeration aerobic digestion system; adding a new rotary drum thickener with polymer system to an existing dewatering building; constructing a new dewatering building to contain new centrifuges with polymer system, feed pumps, and shaftless screw conveyors; constructing a new sludge cake covered storage pad; and re-roofing three existing buildings at the plant.

Contract Summary:

Project Engineers: CTI Engineering, Inc.
Prime Contractor: Smith Contractors, Inc.
Project Start Date: May 26, 2016
Project Completion Date: December 2017
Contract Amount: $7.55 Million

 

Project 2: Dry Gap Sanitary Sewer Wet Weather Overflow Tank
(Completed)


Project Description: The 5 Million Gallon Dry Gap Tank was designed to help alleviate sanitary sewer overflows (SSOs) during peak rain events when the sewer system is overwhelmed with heavy rainfall of high intensity or duration. The tank was put into service in February 2017 and has been successful in reducing SSO’s in the surrounding area. The project was funded under the Clean Water State Revolving Fund (SRF).

 

 

Contract Summary:

Project Engineers: Robert G. Campbell & Associates
Prime Contractor: J. Cumby Construction, Inc.
Project Start Date: August 24, 2015
Project Completion Date: February 2017
Original Contract Amount: $4,961,000

 

The time lapse photography illustrates some of the work during the initial phases of construction.

Phase 3: Sanitary Sewer Rehabilitation Project (Completed)

Contract 1 is now complete. Project details are listed below:

Contract Summary:

Project Engineers: Jacobs Engineering Group
Prime Contractor: Morgan Construction, Inc.
Notice to Proceed Date: January 5, 2015
Original Contract: 330 Calendar Days
Contract Extensions: 4 days
Final Completion Date: August 1, 2016
Original Contract Amount: $3,366,540.00

The Interactive Map tour highlights some of the work that occurred during the rehab project.

Interactive Map

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