80829600 SCOPE OF WORK.docx
DOCX document 16 KB Posted
- Solicitation number
- W911PT24Q0012
About this file
This scope of work document outlines the requirements for a cross trolley rail and wheel replacement project for Crane B426 at an unspecified location. The contractor will remove existing welded rail hold down clips and rail sections from two bridge girders, vacuum debris, grind hold down clip locations, install new 25-pound crane rail with joint bars adjusted to a 10-foot-0-inch trolley wheel gage and staggered joints, weld new hold down clips at 24-inch centers, and transfer the trolley to repeat the process on the opposite side of the bridge. The contractor will also remove and replace two trolley drive wheels and two trolley idler wheels provided by Watervliet Arsenal, including removing wheels, disassembling and reassembling with new bearings, ensuring matched tread diameters within 0.010 inches, and reinstalling wheels on the trolley frame. All materials except the replacement wheels and labor are to be provided by the contractor.
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| File | Type | Posted |
|---|---|---|
| W911PT-24-Q-0012 Cross Trolley.pdf |
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Text version
SCOPE OF WORK Cross Trolley Rail & Wheel Replacement Crane B426
1. Remove welded rail hold down clips from both bridge girders. Clips are welded and will have to be ground or torch cut off.
1. Remove existing rail sections and lower to the ground.
1. Vacuum dirt and debris full length of both girders. Ground hold down clips locations as required to install replacement crane rail.
1. Install new ASCE 25# crane rail with joint bars.
1. Adjust rail section to 10’ – 0” trolley wheel gage, stagger rail joints.
1. Weld new #114 rail hold down clips at 24” centers.
1. Transfer Trolley to opposite side of bridge and repeat rail change out process to completion
1. Old crane rails will be disposed of by Contractor.
1. Trolley Wheel work – Remove and replace two (2) trolley drive wheels and two (2) trolley idler wheels (Wheels provided by Watervliet Arsenal)
1. Remove four (4) wheels from crane. Disassemble wheels, remove bearing housing, couplings and axles.
1. Wheels to have matched tread diameters +/-.010”
1. Reuse existing axle couplings and bearing housing
1. Install wheel bearings (provided by contractor), two (2) bearings per each wheel.
1. Wheels will be reassembled, lubricated, and placed back into trolley frame
1. All materials (except Wheels) and labor to be provided by the contractor.
File details come from the government source that posted it. Updated .