1. Countywide CIPP Lining – GSRR Section 1 & SAK Co-op (Sewer): The Countywide CIPP Lining project involves the rehabilitation of sewer lines through lining and/or point repairs. The contractors involved in this project are RGI, IPR (GSRR), and SAK. The project is currently in the active construction phase for RGI/IPR, while SAK is awaiting approval from the Board of Contractors. The approximate length of the project is 17,732 feet, with varying diameters, typically small. The anticipated cost is $1,578,148, and the project is expected to commence in Q1 2021 and continue through 2025.
2. Countywide CIPP Lining – Insituform (Aegion) Co-op (Sewer): Similar to the previous project, this Countywide CIPP Lining initiative focuses on rehabilitating sewer lines through lining and point repairs. The contractor responsible for this project is Insituform (Aegion). The project is currently in the active construction phase and primarily deals with large-diameter sewer lines. The approximate length of the project is 2,532 feet. The project commenced in Q4 2019 and is expected to continue through 2023.
3. Pole Bridge WWTP Dewatering (Sewer): The Pole Bridge WWTP Dewatering project pertains to the construction of new sludge dewatering screw presses and associated piping at the wastewater treatment plant in Stonecrest. The contractor for this project is PW Tech. While the exact length and diameter are not specified, the project carries an approximate cost of $1,584,280. Construction is currently active and expected to last for eight months, commencing in Q1 2022.
4. Snapfinger Wet Weather Storage Tanks (Sewer): In the pre-design stage, the Snapfinger Wet Weather Storage Tanks project aims to create two new wet weather storage facilities along with pump stations and diversion structures for wastewater treatment. The contractor for this project is yet to be determined. The project does not specify the length or diameter, but it carries a significant cost of $80,000,000. Construction is anticipated to take place between 2023 and 2025, spanning a duration of 30 months.
5. Lower Crooked Creek PS 2&3 (Sewer): Also in the pre-design stage, the Lower Crooked Creek PS 2&3 project focuses on replacing existing aged pump stations with two new pump stations at the wastewater treatment plant in Stonecrest. The contractor for this project is yet to be determined. Specific details regarding length, diameter, and cost are not provided. The project is anticipated to take place between 2023 and 2025, with an estimated duration of 24 months.
6. Statler Drive Water Main Replacement (Water): The Statler Drive Water Main Replacement project involves the replacement of deteriorated cast iron and asbestos cement water mains. The contractor for this active construction project is SD&C. The approximate length of the replacement is 11,625 feet, with an 8″ diameter. The project carries an estimated cost of $4,600,000 and commenced in January 2021, with a duration of 10 months.
7. Stone Mtn/Lithonia Rd Water Main Replacement (Water): In the design stage, the Stone Mtn/Lithonia Rd Water Main Replacement project focuses on replacing deteriorated cast iron and asbestos cement water mains. The contractor for this project is yet to be determined. The approximate length of the replacement is 4,100 feet, with a 12″ diameter. The estimated cost of the project is $2,164,000, and the anticipated start date is in Q4 2022, with a duration of 8 months.
8. Mercer Rd Water Main Replacement (Water): Planned through the new Annual W/S/E, the Mercer Rd Water Main Replacement project aims to replace deteriorated cast iron and asbestos cement water mains. The contractor for this project is yet to be determined. The approximate length of the replacement is 5,544 feet, with an 8″ diameter. The project carries an estimated cost of $1,995,840 and is expected to take place between 2023 and 2025, spanning 8 months.
9. Huntsmen Bend Water Main Replacement (Water): Also planned through the new Annual W/S/E, the Huntsmen Bend Water Main Replacement project involves replacing deteriorated cast iron and asbestos cement water mains. The contractor for this project is yet to be determined. The approximate length of the replacement is 25,963 feet, with an 8″ diameter. The project carries an estimated cost of $9,346,680 and is expected to take place between 2023 and 2025, lasting for 24 months.
10. Thompson Mill Rd Water Main Replacement (Water): Planned through the new Annual W/S/E, the Thompson Mill Rd Water Main Replacement project focuses on replacing deteriorated cast iron and asbestos cement water mains. The contractor for this project is yet to be determined. The approximate length of the replacement is 9,753 feet, with a combination of 12″ and 8″ diameters. The estimated cost of the project is $3,511,080, and the anticipated duration is 12 months, between 2023 and 2025.
11. Panola Rd Water Main Replacement (Water): Also planned through the new Annual W/S/E and involving Stonecrest, the Panola Rd Water Main Replacement project centers around replacing deteriorated cast iron and asbestos cement water mains. The contractor for this project is yet to be determined. The approximate length of the replacement is 20,019 feet, with a combination of 12″ and 8″ diameters. The project carries an estimated cost of $7,206,840 and is expected to take place between 2023 and 2025, lasting for 18 months.
12. Browns Mill Rd Water Main Replacement (Water): Planned through the new Annual W/S/E and involving Stonecrest, the Browns Mill Rd Water Main Replacement project aims to replace deteriorated cast iron and asbestos cement water mains. The contractor for this project is yet to be determined. The approximate length of the replacement is 12,288 feet, with an 8″ diameter. The project carries an estimated cost of $4,423,680 and is expected to take place between 2023 and 2025, lasting for 12 months.

Notes:

1. Projects with actual bids are shown as the bid cost.
2. GSRR Section 1 costs are based on an average of $89/LF for lining/rehab from GSRR bids
3. GSRR Section 2 costs are based on an average of $714/LF for sewer replacement/upsizing from GSRR bids.
4. Tank painting costs are based on DWM historical bids.
5. Water main replacement costs are based on $45/in-dia/LF unit cost from DWM historical bids.