Specification_for_Flintville_Hatchery_Pipe_Repair_Release_3.pdf
PDF 7 MB Posted
- Attached to
- TWRA Flintville Hatchery Pipe Repair-UPDATED
- Solicitation number
- Event 32801-13898
- Issued by
- Lawrence County, Tennessee
About this file
This is a specification document for the Tennessee Wildlife Resources Agency (TWRA) soliciting repair services for pipe installation at the Flintville Hatchery in Lincoln County, Tennessee. The project involves the installation of 1,200 feet of 12-inch SDR 35 pipe (supplied by TWRA) and includes excavation of a 1,500-foot trench (24 inches wide by 30 inches deep), grading for proper water flow, pipe installation with 57-grade stone encasement, installation of discharge and bypass structures with gate valves, pressure testing per ASTM F1417, road crossing repairs using ductile iron pipe and concrete pavement, construction of an 80-foot exposed suspended pipe section over a creek with mechanical joint ductile iron pipe and support structures every 20 feet, and grass restoration. The site visit is scheduled for Tuesday, April 28, 2026, at 10:00 AM CT at 49 Fish Hatchery Road, Flintville, TN 37335. All work must be completed during June and July 2026, with a preferred completion date of Tuesday, June 30, 2026, and a deadline of no later than Friday, July 31, 2026, with final project completion by August 31, 2026. The primary points of contact are Hatchery Manager Steven Day (615-981-9321, Steven.Day@tn.gov) and Contract Manager Nickki Davis (615-781-6603, Nickki.Davis@tn.gov).
The contractor must possess a valid contractor's license and must submit shop drawings for TWRA Engineering Division approval before construction begins. TWRA is responsible for obtaining all permits and marking utility locations. The contractor must call the Hatchery Manager three business days prior to beginning work, and work cannot be performed on weekends or state-declared legal holidays. Special considerations include crossing Fish Hatchery Road (County Road) at approximately 60 feet using 12-inch ductile iron pipe with restrained joints, sawing and removing a 20-foot by 10-foot section of asphalt to a depth of 36-48 inches, and allowing one month before placing concrete to accommodate settling. The contractor is responsible for all road restoration within 90 days and coordinating with the Lincoln County Highway Department (931-433-2585). Payment will not be issued until all work is completed and approved by the TWRA Engineering Division. No estimated contract value or budget range is specified in the specification document.
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Text version
Specifications Release 3
For Tennessee Wildlife Resources Agency (TWRA) For Flintville Hatchery Pipe Repair
ITB 32801-13898
A. Scope: This solicitation is for the one-time purchase of repair services for the installation of a 1,200 feet, 12-inch SDR 35 pipe (supplied by TWRA) at TWRA’s Flintville Hatchery at 49 Fish Hatchery Road, Flintville, TN 37335 (Lincoln County). All work shall be completed in accordance with the following work scope and specifications below.
B. Point of Contact:
1. Hatchery Manager Steven Day at 615-981-9321 or Steven.Day@tn.gov
2. Contract Manager Nickki Davis at 615-781-6603 or Nickki.Davis@tn.gov
C. Site Visit
1. See Appendix A-D for site images related to the project.
2. The site visit is recommended but not required in accordance with Terms and
Conditions 1.2. TWRA is not responsible for errors or omissions in bids resulting from failure to visit the site.
3. Contractors do not need to make an appointment to attend the site visit.
4. Site Visit Date/Time: Tuesday, April 28, 2026, 10:00 AM CT.
5. Address: Flintville Hatchery
49 Fish Hatchery Road Flintville, TN 37335
D. Project Details Overview
1. Tennessee Wildlife Resources Agency (TWRA) is responsible for all permits, which have already been obtained.
2. Tennessee Wildlife Resources Agency (TWRA) is responsible for marking any utility locations.
3. Contractor shall have applicable contractor license to complete work.
4. Contractor shall meet with TWRA’s Engineering Division to ensure proper construction of the project.
5. Contractor shall provide TWRA with shop drawings of the job. Drawings shall be approved by TWRA before construction shall begin.
6. Contractor shall call Hatchery Manager Point of Contact three (3) business days prior to beginning job so arrangements can be made.
7. Work shall not be completed on weekends or legal holidays as declared by the
Commissioner of the Tennessee Department of Human Resources (“DOHR”). See the following website for the list of approved State holidays:
https://www.tn.gov/about-tn/state-holidays.html.
8. Payment shall not be made until all work has been completed and has been approved by the TWRA Engineering Division.
E. Project Details
1. Work shall be completed during June 2026 and/or July 2026 to keep disturbance of trout production to a minimum.
2. The pipe repair shall be completed no later than Friday, July 31, 2026, but would prefer Tuesday, June 30, 2026.
3. The project shall be completed by August 31, 2026.
4. The Contractor shall install 1,200 feet of 12-inch SDR 35 pipe. See Appendix A for images of the pipe.
5. Layout area where pipe shall be placed. See Appendix D for images.
6. Shall shoot grade to determine fall needed for adequate water flow to maintain gravity flow.
7. Shall excavate 1500’ x 24” x 30” trench.
a. The spoils shall be stockpiled on site for back fill.
b. Excavation shall be done in sections of roughly 150’ at a time.
8. Shall place 12” SDR35 pipe that will be supplied by TWRA.
9. Installation of a discharge, overflow, or bypass structure upstream of the tie-in to the existing metal pipe. This will allow flow to be diverted to the stream if repairs to the line are needed in the future.
a. The contractor shall supply and install a “T” on the supply (at a location determined by the owner).
b. The contractor shall supply and install a gate valve on the supply line one (1) foot downstream of the “T” and a gate valve on the diversion pipe one (1) foot from the “T.”
c. The contractor shall then continue the diversion pipe to the existing stream at a location determined by the owner.
10. Shall furnish and install stone to encase pipe. Use 57 grade stone.
11. Shall fill with dirt that was previously removed.
12. Once pipe is installed, shall connect to existing water supply with 12” valve to start the flow of water.
13. Contractor shall perform a post-installation pressure test of the 12" SDR 35 pipe to ensure that it is installed properly and leak-free. The post-installation pressure test shall be in accordance with ASTM F1417; pressurized to 3.5-4.0 PSIG (pounds per square inch gauge), with a maximum of 9 PSIG.
14. Shall furnish and spread grass seed and hay/straw to promote regrowth of grass.
The grass seed can be the contractor’s choice.
https://www.tn.gov/about-tn/state-holidays.html
15. Shall leave the work area in a clean and orderly fashion.
F. Special Considerations
1. County Road.
a. Contractor shall be responsible for all signs and coordination with Lincoln County Highway Department. Phone number 931-433-2585.
b. Installation shall cross the Fish Hatchery Rd, (County Road) at an angle of ~60 feet. See Appendix C for images.
c. In place of the 12-inch SDR 35 pipe, Contractor shall use a 12-inch: 13.20-inch outside diameter (OD) with Pressure Class 350 ductile iron pipe (DIP).
d. Shall use a restrained joint, such as TR Flex, are under the pavement.
e. Shall saw cut, demo, remove, and haul off 20’ x 10’ section of asphalt where the pipe will cross the road. Minimum depth shall be 36–48 inches.
f. Shall furnish, install, and compact 825b pug mix in the area of road to be replaced.
g. To allow for any settling to occur, Contractor shall allow one (1) month before returning to place concrete.
h. Details from the Lincoln County Highway Department permit application.
Contractor agrees to be responsible for any and all damages which might occur and does herby agree to hold harmless the Lincoln County Highway Department from any responsibility associated with the construction or location of said construction.
Contractor agrees to fill any cuts or bores made in the road with crushed stone within twelve (12) inches of the road top surface, stone is to be compacted so there shall be no settling of the roadway. The balance of the twelve (12) inches shall be fill with either concrete or hot-mix and flush with existing road surface.
No cut shall be made at any other location except which is designated on the county road map and described on the permit. Contractor also agrees to repair any cut or bore which causes a dip and/or hump in the road.
No construction shall be allowed within three (3) feet of the paved portion of roadway unless permit provides otherwise. Following construction, the construction area shall be restored to its previous condition within 90 days of the completion of the construction. Settlement and/or compaction of the construction area for an additional 120 days. The contractor shall be responsible for all repair work and shall be responsible for bearing the cost and expense of any work/repairs done by Lincoln County Highway Department associated with unsatisfactory performance of the construction.
2. Suspended Over Creek (~80 feet)
a. Section where pipe will be exposed -- suspended section over creek (~80 ft). See Appendix B for images.
b. Shall furnish and install 12” Mechanical Joint Ductile Iron Pipe.
c. Shall furnish and install supports for holding the pipe elevated to keep slope for water flow.
d. See Appendix B for supports details to be placed every twenty (20) feet.
APPENDIX A
Exposed Pipe
APPENDIX B
Suspended section over creek (~80 ft).
Pipe Support Detail
12"
APPENDIX C
County Road
APPENDIX D
Layout Area
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