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PS/23/19 - B714 Coal Glen Embankment Slip Remediation and Culvert Extension
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Descriptions
Ayrshire Road Alliance (ARA) wishes to rectify ongoing movement within the carriageway of the B741 highway to the north-east of Clawfin, East Ayrshire. Evidence of ground movement is located within the westbound lane of the highway where tension cracking has developed. The westbound section of the carriageway has also settled by approximately 40mm from the surrounding carriageway. The works to be carried out comprise: -Repair of existing highway embankment showing signs of slope instability by excavating out failed materials and replacing with engineered fill at a gentler regraded slope of 1V:3H with counterfort drainage; -Repair of existing culvert through installation of a CIPP lining (Contractor designed); -10m extension of existing culvert with precast concrete box culvert (Contractor designed) to accommodate regraded slope; -Construction of transition unit with manhole access at location where existing and extended culverts meet (Note: Manhole access chamber is to be Contractor designed); -Construction of new outfall headwall (Contractor designed) with scour protection through installation of erosion control matting at outfall location; -Widening of highway verges to 2m width on both sides of the highway with installation of verge marker posts and post and mesh fencing; -Installation of highways surface water drainage system with direct outfalls to Coal Glen watercourse at northern inlet to existing culvert and to the transition unit between existing and extended culvert.
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Tender Regions
CPV Codes
45233220 - Surface work for roads
45223200 - Structural works
45113000 - Siteworks
45233000 - Construction, foundation and surface works for highways, roads
Keywords
skeleton works
siteworks
road surfacing
groundwork services
industrial site setup
infrastructure siteworks
urban road overlay
infrastructure flatworks
highway foundation works
structural construction
civil road surface build
highway base structure
earthworks support
construction siteworks
superstructure erection
rural road paving
road surface laying
utility siteworks
basic structure construction
site facility preparation
reinforced structure build
road surface construction
road groundwork installation
roadbed and pavement build
supporting frame assembly
carriageway surface operations
civil structure installation
foundation and framework works
structural shell creation
subgrade and asphalt works
load-bearing system build
construction site preparation
bituminous road surface works
street foundation and surfacing
site development services
Workflows
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