EKFB JV - Steel columns forming part of route wide acoustic barrier - NEC Subcontract Works - Opportunity Re-Issue April 2025

EKFB is seeking expressions of interest from weathering steel manufacturers and fabricators for the supply and/or fabrication of steel columns forming part of an acoustic barrier solution which will total approximately 25km in length and run route wide from North Chilterns to Southam. Please consider the information below and whether this opportunity is suitable for your business.

Weathering steel columns totalling approximately 8,000t:

2,590nr tall barrier fabricated posts at 5m and 6m lengths 2,250nr medium barrier 356 x 368 x 202 UC's at 4.5m lengths 360nr low barrier post 356 x 368 x 177 UC's at 3.m lengths Weathering steel plate to form base plates/stiffeners etc

Fabrication:

Lifting eye

Holes for barrier panel fixings

Base plates and stiffeners to all columns (full penetration butt welds)

Fillet welding for tall columns (c. 10mm leg length)

Earthing and bonding lugs

Surface blasted finish

EKFB are seeking expressions of interest from manufacturers/mills and from fabricators. Supply and fabrication may be contracted separately or as part of a combined package. This will be decided based upon interest and tender returns. The overall anticipated package value listed is based on a combined package.

Fabrication of the larger columns requires fillet welding to the full length of the column (5m/6m). Please clearly stipulate if you do/do not have machinery capable of automating this process.

There may also be a requirement to heat treat some of the fabricated columns. Please clearly detail if this is something that you have previous experience of.