How to win: WP1150 - Survey & Design - Tunnel Vent Vans & Fan Drives

About this contract

Expression of Interest Tunnel Vent, Fans and Fan Drives MEP Subcontractor Tunnel Vent, Fans and Fan Drives (Survey and RIBA 4) Scope The objective of this scope is to replace components that form part of the ventilation system at Central Terminal Area (CTA) North and South, Terminal 4 North and South and Sipson Farm, that are at their end of life. The components of concern are Fan Drives and Low Voltage Air Circuit Breakers. It is proposed that all components for the 8 No. existing Variable Speed Drives (VSD) which are close to their designed lifetime are to be replaced, together with the panel. It is proposed that all components for the 5 No. existing Direct On-Line (DOL) starters which are close to their designed lifetime are to be replaced, together with the panel are replaced with VSD's. The VSDs are to be connected to the Tunnel Control System (TCS). The incoming air circuit breakers (ACB's) and the low voltage protection devices (MCCB/MCB's) within the existing switch gear will be replaced with new devices. Where the impact is significant, this may lead to replacing the entire LV switchgear and

How to win contracts like this

• ✓Answer against the marking scheme, not the question text — Costain Limited (H7-Heathrow) scores each response, so map your evidence to the published criteria and weightings.
• ✓At £2,500,000, expect quality and social value to carry a large share of the score — price alone rarely wins services work.
• ✓Show recent, comparable delivery: name similar services contracts you've delivered for public bodies, with measurable outcomes.
• ✓Start early: it closes 9 June 2026 and a strong bid takes iteration.

BidWriter drafts your responses from your company profile, scores them against the marking scheme, and tracks your whole pipeline. Free to start — no card needed.

Related resources

Similar contracts