Spillway 480v Bus Pictures and Information.pdf
PDF 5 MB Posted
- Attached to
- McNary Dam Cantilever Scaffolding Rental
- Solicitation number
- W912EF25QA057
About this file
These images document detailed scaffolding and structural measurements for a spillway crane installation, likely at a dam facility. The photos provide critical dimensional details for scaffolding placement, including: 41.5 inches from deck to crane rail concrete surface, 107 inches between toe board and curbing, 5'9" from curb face to dam face, and 96 inches clearance height for scaffolding assembly. The images show a complex industrial infrastructure with a large crane system positioned on a concrete bridge-like structure, situated against a backdrop of arid mountainous terrain. Additional notes indicate that current spillway crane personnel baskets are unavailable as they are hooked to spillway leafs, and scaffolding work platforms must carefully navigate structural constraints like pier noses and overhead pipes that are part of the spillway hoist system.
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Text version
Photo orientation looking north
East crane rail concrete measures 41.5 inches from the deck to the concrete surface that the crane rail is attached to. Scaffolding must clear this.
107 inches between toe board and curbing
41.5 inches from deck to surface of crane rail concrete
This space could be used to build the scaffolding.
Vehicle turnout
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<---5'9" from face of curb to face of dam--->
Spillway crane personnel basket used for inspecting the bus. Both spillway cranes are hooked up to spillway leafs and can not be moved thus making these baskets unavailable.
This photo shows the pier noses for the spillway.
The scaffolding work platform must clear them.
From top of crane rail concrete to the floor of the scaffold work platform is approximately 6 feet.
<---------------------------------------------TOP of concrete with crane rail
41.5 inches from deck to surface of the crane rail concrete.
<---- Scaffolding assembly must roll under this. The measurement from the deck to the bottom of this is 96 inches. This cannot be removed.
This pipe is also part of the spillway hoist
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| Spillway 480v Bus Pictures and Information.pdf |
| Spillway Deck South.pdf |
| Spillway Deck Looking North.pdf |
| Spillway Crane Rail.pdf |
| View of Upstream Pier Noses for Work Platform.pdf |
| Spillway 480v Bus Good Upstream View.pdf |
| Spillway Upstream Concrete Height.pdf |
| Spillway Hoist Height Restriction.pdf |
File details come from the government source that posted it. Updated .