Completed 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  Consequently, as of August 27, 2014 the aforementioned Commissioner’s Order was superseded by Consent Order 14-0044 requiring the elimination of SSO’s by 2024.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.


Red Hawk & Brushy Valley Lift Station

These improvements were made to repair aging parts, update system controls, and make the stations more efficient in the future. Lift station reliability continues to be a focus of the HPUD collection system improvement efforts. The District’s Capital Improvements Plan (CIP) has provisions for continued upgrades and rehabilitation of existing pump stations. HPUD personnel will continue to monitor the pump station’s performance within the collection system to determine if any sites will require major rehabilitation in future years.

PROJECT ENGINEERS: W.K. Dickson & Co.
PRIME CONTRACTOR: Design & Construction Services, Inc.
PROJECT START DATE: Sept. 2022
IN-SERVICE DATE: March 2024
CONTRACT AMOUNT: $666,900


Beaver Creek Interceptor Replacement Projects

 

Phase 1: The Beaver Creek Interceptor Improvement Project consisted of replacement of the existing 36-inch diameter interceptor beginning at the Beaver Creek WWTP and continuing for approximately 10,900 linear feet into the HPUD collection system near Powell Presbyterian Church in Powell. The existing interceptor was replaced with a new 48-inch diameter interceptor, accompanying manholes and other structures, 300 linear feet of sewer line near West Emory Road and Clinton Highway, and 2,200 linear feet of sewer line replacement. An additional 14,500 linear feet of lines and manholes are planned to be rehabilitated. The project was necessary to address infiltration and inflow issues within the collection system while adding capacity for future development in this area.

PROJECT ENGINEERS: Jacobs Engineering Groups, Inc.
PRIME CONTRACTOR: Garney Companies, Inc.
PROJECT START DATE: March 2020
IN-SERVICE DATE: July 2022
CONTRACT AMOUNT: $18 MILLION

 

Phase 2: The Beaver Creek Interceptor Improvement Project Phase 2 was the continuation of replacing the existing 36-inch diameter with a new 48-inch diameter interceptor from where Phase 1 stopped approximately 13,740 linear feet to Morton View Lane. The project also included the replacement of approximately 3,300 linear feet of gravity sewer line ranging from 12-inch to 8-inch in diameter. The project was necessary to addressed infiltration and inflow issues within the collection system while adding capacity for future development in this area.

PROJECT ENGINEERS: Jacobs Engineering Groups, Inc.
PRIME CONTRACTOR: Cleary Construction, Inc.
PROJECT START DATE: April 27, 2020
IN-SERVICE DATE: July 2022
CONTRACT AMOUNT: $21.9 MILLION

Beaver Creek Clarifier and Hydraulic Capacity Improvements Project 

 

The Beaver Creek Clarifier and Hydraulic Capacity Improvement Project was necessary to replace failing equipment that was over fifty years old and causing numerous maintenance issues. This project consisted of improvements to maximize capacity from clarifiers for peak loading. The project included demolition of the existing chlorine contact tank and installation of ultraviolet disinfection equipment at the Beaver Creek WWTP. The UV system is online and providing daily disinfection to the effluent water. A new lift station was also installed to help with the discharge of clean water. Another portion of the project focused on improvements to the clarifiers. These improvements have added capacity for future flows as our community continues to grow.

PROJECT ENGINEERS: Foxpe, LLC.
PRIME CONTRACTOR: Southern Constructors, Inc.
PROJECT START DATE: May 2020
IN-SERVICE DATE: May 2022
CONTRACT AMOUNT: $5.38 MILLION

Brown Gap Interceptor Replacement Project

 

The Brown Gap Interceptor project started at Brown Gap Road and extended upstream to Beeler Road. The project consisted of upsizing the existing sewer mains which included the following: approximately 10,140 linear feet of 21-inch diameter pipe, 658 linear feet of 16-inch diameter pipe, and 3,600 linear feet of pipe ranging from 12-inch to 8-inch in diameter. It also included the replacement of the existing manholes and service connections. Due to left over funds on the project, the scope was increased to include the replacement of approximately 2,300 linear feet upstream. This included the replacement of all manholes and service connections. The completion of this project has reduced inflow and infiltration while adding capacity to the collection system for future growth in the area.

PROJECT ENGINEERS: robert g. campbell & associates
PRIME CONTRACTOR: hurst excavating, llc
PROJECT START DATE: january 2019
PROJECT COMPLETION DATE: march 2021
CONTRACT AMOUNT: $6.98 MILLION

Downtown Powell Sewer Rehabilitation Project

 

Hallsdale-Powell Utility District worked with Robert G. Campbell & Associates (RGC&A) on a rehabilitation project to upgrade the sanitary sewer system in downtown Powell. The project included the gravity sewer main line pipe bursting of approximately 5.600 linear feet of 8-inch in diameter and 10,500 linear feet of cured in place pipe (CIPP). The project was designed to rehabilitate/repair the sewer laterals and manholes associated with the main line rehabilitation. The project has corrected numerous areas of defective pipe and manholes that were allowing groundwater to enter the collection system.

PROJECT ENGINEERS: robert g. campbell & associates
PRIME CONTRACTOR: husrst excavating, llc
PROJECT START DATE: February 2020
PROJECT COMPLETION DATE: april 2021
CONTRACT AMOUNT: $1.31 MILLION

Temple Acres Sewer Rehabilitation Project

 

Hallsdale-Powell Utility District worked with WK Dickson on the rehabilitation of the gravity sewer mains, manholes, and customer service connections in the Temple Acres neighborhood. The sewer mains in this area were primarily concrete and were deteriorating and in need of rehabilitation/replacement. This neighborhood also contributed to the flow into the North Fork Interceptor Phase 2 project. The rehabilitation project consisted of approximately 13,000 linear feet of 8-inch diameter cured in place pipe (CIPP), rehabilitation of 60 manholes, and 115 customer service connections. This rehabilitation project significantly reduced overflows due to inflow and infiltration in the collection system.

PROJECT ENGINEERS: wk dickson & co., inc.
PRIME CONTRACTOR: sak construction, llc.
PROJECT START DATE: august 2020
PROJECT COMPLETION DATE: april 2021
CONTRACT AMOUNT: $1.29 MILLION

North Fork Phase 2 Interceptor Replacement Project

 

Hallsdale-Powell Utility District worked with WK Dickson to design improvement options to the North Fork Interceptor sewer due to overflows during large rain events and the future development in the area. These improvements began at Ledgerwood Road and extended upstream toward Stillbrook Ln. Sewer overflows in this area have been significantly reduced because of this project.

PROJECT ENGINEERS: wk dickson & co., inc.
PRIME CONTRACTOR: merkel bros. construction, inc.
PROJECT START DATE: october 2020
PROJECT COMPLETION DATE: june 2021
CONTRACT AMOUNT: $498,060.90

Bishop Road/Taggart Lane Sewer Improvements Project

 

Hallsdale-Powell Utility District worked with Cannon & Cannon, Inc. for improvements to the sewer mains located around Bishop Road, E Emory Road, and Taggart Lane due to overflows during large rain events, the potential of future development in the area, and the TDOT Bishop Road relocation project. These improvements were concentrated around Bishop Road at E Emory Road and extended to HPUD’s Interceptor line.

PROJECT ENGINEERS: cannon & cannon, INC.
PRIME CONTRACTOR: merkel bros. construction, inc.
PROJECT START DATE: November 2020
PROJECT COMPLETION DATE: September 2021
CONTRACT AMOUNT: $918,394.00

Bright Lane Lift Station

Hallsdale-Powell Utility District worked with W.K. Dickson to relocate and redesign the Bright Lane lift Station. The new lift station was repositioned on the same property with a new wet well, controls, etc. These improvements help HPUD’s assets in this area with potential future development. The construction of this project was completed in early summer 2020.


Temple Baptist Lift Station

 

HPUD has also completed improvements to the existing Temple Baptist Lift Station. The improvements to this station include new pumps and controls. The improvements to this lift station will allowed HPUD to replace aging equipment and make the lift station operate more efficiently. The construction on this project was completed in fall 2020.


Beaver Creek Interceptor Replacement Project Phase 3

 

The Beaver Creek Interceptor Improvement Project Phase 3 continued with the replacement of the existing 36-inch diameter interceptor from behind Morton View Lane to the east side of Interstate 75. This project consisted of approximately 5,500 linear feet of the new 48-inch diameter interceptor along with the improvement of approximately 650 linear feet of smaller diameter pipes in the area. The project reduced inflow and infiltration while adding capacity to the collection system for future growth.

PROJECT ENGINEERS: robert g. campbell & associates
PRIME CONTRACTOR: cleary construction, inc.
PROJECT START DATE: october 2018
PROJECT COMPLETION DATE: october 2019
CONTRACT AMOUNT: $5.22 MILLION

Sanitary Sewer Rehabilitation Project Phase 4

Hallsdale-Powell Utility District has completed phase 4 of the 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. HPUD staff identified rehabilitation elements for inclusion in Phase 4 of the Sanitary Rehabilitation Program. The Phase 4 elements consisted 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.

PROJECT ENGINEERS: JACOBS ENGINEERING GROUP
PRIME CONTRACTOR: insituform technologies, INC.
project start date: august 2017
FINAL COMPLETION DATE: october 2019
ORIGINAL CONTRACT AMOUNT: $4.13 million

Beaver Creek Solids Handling

 

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.

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

 


Dry Gap Sanitary Sewer Wet Weather Overflow Tank

 

 

 

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).

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.


Sanitary Sewer Rehabilitation Project Phase 3

 

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

Hallsdale-Powell Utility District 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 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.

PROJECT ENGINEERS: JACOBS ENGINEERING GROUP
PRIME CONTRACTOR: MORGAN CONSTRUCTION, INC.
project start date: JANUARY 5, 2015
Original Contract: 330 Calendar Days
Contract Extensions: 4 Days
FINAL COMPLETION DATE: AUGUST 1, 2016
ORIGINAL CONTRACT AMOUNT: $3.36 million
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