WP3380- Hard Landscaping (lot 1), Soft Landscaping (lot 2), & Kerb modifications (lot 3) and edge protection - CTA Main Works
Soft Landscaping
There is a requirement for a subcontractor who can support us with our soft landscaping requirements.
Removal of existing undergrowth on embankment side and replanting with hedera hibernica (circa 1150m2).
Works include working on steep incline (typically 1:1.6) using fixed line system or similar. Works are immediately adjacent/above services including high pressure fixed fire supression systems and immediately adjacent to live highway traffic and footpaths. Supplier will be responsible for fertiliser, weed suppression mat, irrigation system (inc design) and planting of new vegetation.
Hard Landscaping
There is a requirement for some hard landscaping which will include the lay of permeable black tarmac surface for evacuation area, circa 370m2. There is also "road kerb & furniture modification" and a fair amount of edge protection and security fencing.
There is a also a road kerb & furniture modification" requirement as well as edge protection which may form part of this package. The scope is still under development
Costain Limited (H7-Heathrow)London1 Jun 2026WAC-513499
WP3380- Hard Landscaping (lot 1), Soft Landscaping (lot 2), & Kerb modifications (lot 3) and edge protection - CTA Main Works
Soft Landscaping
There is a requirement for a subcontractor who can support us with our soft landscaping requirements.
Removal of existing undergrowth on embankment side and replanting with hedera hibernica (circa 1150m2).
Works include working on steep incline (typically 1:1.6) using fixed line system or similar. Works are immediately adjacent/above services including high pressure fixed fire supression systems and immediately adjacent to live highway traffic and footpaths. Supplier will be responsible for fertiliser, weed suppression mat, irrigation system (inc design) and planting of new vegetation.
Please find our GA for soft landscaping
Hard Landscaping
There is a requirement for some hard landscaping which will include the lay of permeable black tarmac surface for evacuation area, circa 370m2. There is also "road kerb & furniture modification" and a fair amount of edge protection and security fencing.
There is a also a road kerb & furniture modification" requirement as well as edge protection which may form part of this package. The scope is still under development
Costain Limited (H7-Heathrow)London1 Jun 2026WAC-513503
We have a security fencing requirement as part of our CTA tunnel main works
1100mm high key clamp rail - 30m + 30m
2400mm high green security mesh - 60m +26m
1200mm high green security mesh - 44m
1500mm high saferoad phoenix alum parapet - 85m
total we are talking about 4 types of fence for around 300m length
Costain Limited (H7-Heathrow)London1 Jun 2026WAC-513561