Louvres C4 - KCSL

Kilnbridge have secured the HS2 Old Oak Common Station Works Package WP10.2 for construction of the Headhouses and Ancillary Buildings. Part of the scope requires the design, manufacture & installation of various ventilation and envelope louvre systems to numerous satellite buildings around the station complex. Those buildings include the following:

• South Portal • North portal • West Core • East Core • Various smaller vent structures

The scope of works includes a large number of louvre types ranging in size and build up and will include a range of different specification and performance criteria such as:

- Acoustic Louvres (various ratings to meet specifications ) - Mechanical louvre (varied to meet specifications) - Louvres to meet various requirements including security, acoustic, fire and weather proof ratings - Various finishes and materials - Isolators applicable to reduce any risk of bi-metallic corrosion. - Pest control mesh (varied to meet specifications) - Securing to various substrates - all louvre materials should be compliant to Class A-S3D2 in accordance with BS EN 13501-1:2007 - Fire rating to comply with BROOF (t4) requirements (varied class ratings to meet specifications for roof louvres) - and all ancillary items where required. This includes detailing all openings including additional supports around the openings. Works include also mock ups, samples and quality benchmarks

The Sub subcontract works includes the provision of all necessary People, Equipment, Plant and Materials for the design, testing (where required including potential post installation testing to verify performance), manufacture and possible installation of various louvre systems

The Subsubcontractor will be responsible for progressing the louvre schedule and associated Stage 4 drawings through design for manufacture and in some cases, installation. This will require submission to, and acceptance from, the Subcontractor, the Contractor's representatives and the Employer to ensure the provided Sub subcontractors design satisfies the intent prior to construction. All in accordance with the Contractors design procedure and technical assistance requirements.

The scope also includes the design, supply, installation, management and removal of any temporary works required to execute the sub subcontract works and the provision of sufficient temporary protection of the louvres. The works will require multiple visits throughout the contract duration from design stage to completion.

Quantity of louvres - circa 800+m2

Expected Subsubcontract award Jan 25

Construction is to be carried out over a 2.5 year period commencing in Q1 2026 and completing in late Q2 2028. Multiple visits will be required over this period.