SOW Barkley Valve Maintenance Platform Fabrication_15 July.pdf
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- Attached to
- BARKLEY VALVE MAINTENANCE PLATFORM FABRICATION Federal contract opportunity
- Solicitation number
- W912P525QA048
About this file
This Scope of Work details a contract for culvert valve maintenance platforms fabrication at Barkley Lock near Grand Rivers, Kentucky. The U.S. Army Corps of Engineers requires fabrication of four (4) complete valve maintenance platforms to meet current OSHA safety standards, consisting of one base platform and three optional platforms. The project involves fabricating and delivering railings, grating, ladders, and structural steel for the machinery pits, with demolition and installation to be performed by the government.
The delivery schedule requires the base platform to be fabricated and delivered within 180 calendar days of contract award, with options to be exercised within 90 calendar days of the base contract award. Specific modifications include: installing new railings to meet height requirements, replacing existing rung ladders with fixed ladders, adding removable railings around the hydraulic shaft, and extending lower platform landings to eliminate safety openings. The delivery location is Barkley Lock, near Barkley Dam Road in Grand Rivers, Kentucky.
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Other files for this federal contract opportunity
| File | Type | Posted |
|---|---|---|
| W912P5-25-Q-A048_TPlans_RTA_4SEP2025.pdf | ||
| Solicitation - W912P525QA048.pdf | ||
| W912P5-25-Q-A048 TSpecs_RTA.pdf | ||
| W912P5-25-Q-A048_Bid Schedule_RTA.pdf | ||
| 2025.06.09 BLCVMP 100% USACE Submittal DWG Set.pdf |
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Text version
Scope of Work
Barkley Dam
Culvert Valve Maintenance Platforms Fabrication
Grand Rivers, Kentucky
GENERAL DESCRIPTION & PROJECT BACKGROUND
Barkley Lock has four Machinery Pits that contain the filling and emptying valves for the Lock.
Personnel access to the upper portion of the valves is accomplished by a steel superstructure anchored into the concrete walls of the pits.
The existing culvert valve maintenance access platforms at Barkley Lock must be modified to meet current OSHA regulations. There are a total of four (4) platforms, two upstream and two downstream, inside the machinery pits at Barkley Lock; see Appendix A for photographs of the existing platforms. The two downstream platforms mirror the design of the upstream platforms.
Plans and Specifications for new superstructures have been developed. The work includes fabricating and delivering railings, grating, ladders, and structural steel and incidental related work for four (4) culvert valve maintenance access pits at Barkley Lock to comply with current USACE and OSHA safety standards. Demolition of existing items and installation of new items will be performed by GOV.
This Scope is described as:
Base of one (1) platform, with three (3) Options of one (1) platform each.
Any options exercised after initial award will be provided a written notice of intent to exercise within 90 calendar days of base Contract Award
Delivery Schedule:
Line
ITEM
BASE Delivery Schedule:
0001 Fabrication of one (1) complete Valve Maintenance Platform
Delivery within 180 calendar days of Contract Award
OPTIONS
1001 Fabrication of one (1) complete Valve
Any options exercised after initial award will be provided a written notice of intent to exercise within 90 calendar days of base Contract Award 2001 Fabrication of one (1) complete Valve
Maintenance Platform Any options exercised after initial award will be provided a base Contract Award
3001 Fabrication of one (1) complete Valve
Any options exercised after initial award will be provided a base Contract Award
Delivery Location: Barkley Lock, near Barkley Dam Road, Grand Rivers, KY 42045-9802.
Railings along the upper platforms and the interior opening on the lower platforms do not meet height requirements. New railings will be fabricated and attached to the current platforms using a mix of new and existing pipe sleeves. The upper platform will also add new removable railings around the hydraulic shaft to eliminate fall hazards.
The existing rung ladders do not meet the minimum tread width requirements and will be replaced by a fixed rung ladder. The existing rung ladders between the upper and lower platforms will be removed and coated to prevent corrosion. New fixed ladders will be installed to replace the rung ladders. The rung ladders below the lower platform will not be replaced.
The landing on the lower platform at the bottom of the ladders will be increased to remove the opening in the corner of the maintenance pit near each ladder. This will include installing new structural supports and extending the grating to cover the opening. Select grating pieces will also be replaced in kind and anchored to existing structural members.
Appendix A Site Photos
Figure 1 - Downstream Land Wall Machinery Pit
Figure 2 - Downstream River Wall Machinery Pit
Figure 3 - Upstream River Wall Machinery Pit
Figure 4 - Upstream Land Wall Machinery Pit
GENERAL DESCRIPTION & PROJECT BACKGROUND
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