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Scottish Trunk Road Network - North West Unit - A82 Glen Gloy Retaining Wall
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Descriptions
Outline:The existing drystone retaining wall which supports the A82 from the east side, has collapsed in several locations, for approximately 75m in length. The scheme involves the removal of the existing wall and construction of up to approximately 50m in length of reinforced embankment with a shotcrete facing. The wall will be reinforced by passive ground anchors (Estimated 112 No). The proposed sprayed concrete facing will be reinforced with steel mesh to distribute the loading onto the ground anchors. The ground anchors and headplates will be high yield steel. The bolts and headplates will be encapsulated within the reinforced concrete facingWall Details:The maximum height of the structure is anticipated to be approximately 3.6m. The proposed anchor layout is 1.5m centre to centre (c/c) horizontal spacing and a 1m c/c vertical spacing. The anchors would be arranged in an offset grid layout. Weep holes will be installed through the sprayed concrete facing.Other Works:187m of drainage, above the failed wall will require to be replaced/renewed. 30m of VRS will require to be replaced, and the verge reinstated.Environmental:The River Gloy lies within 50m of the A82 carriageway and work site. The site lies on the boundary with an Ancient Woodland area as defined by Scottish Natural Heritage (SNH). A Site Environmental Management Plan (SEMP) will be completed with measures to be adhered to during construction. Measures will be utilised during construction to minimise disturbance to species, such as controls on working times, types of machinery and limitation of vibrations.
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Tender Regions
CPV Codes
45233120 - Road construction works
45221100 - Construction work for bridges
45221111 - Road bridge construction work
45233100 - Construction work for highways, roads
71500000 - Construction-related services
45200000 - Works for complete or part construction and civil engineering work
45233124 - Trunk road construction work
45220000 - Engineering works and construction works
45233130 - Construction work for highways
45222000 - Construction work for engineering works except bridges, tunnels, shafts and subways
18924000 - Trunks
Keywords
turnkey projects
asphalt roadwork
public works
garment trunks
river span build
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storage trunks
travel trunks
infrastructure
site preparation
vintage trunks
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overpass erection
multi-lane highway works
traffic bridge build
construction work
structural construction
civil highway span build
waterproofing services
civil engineering
rural road construction
carriageway building
engineering construction
general engineering work
highway ramp build
highway overpass build
hydraulic structures
crossing infrastructure
major route construction
site clearing services
road pavement works
asphalt span erection
earthworks services
trunk route pavement
utilities trenching
trunk road construction
civil engineering bridge
special civil works
non-bridge civil works
bridge construction
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residential road works
civil bridge building
site utilities installation
heavy equipment operation
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integrated engineering works
transport bridge structure
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arterial road installation
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Construction structures and materials
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