How to win: WECDIS & Combat System Interface Unit (WIU CSIU)

About this contract

The National Armaments Director Group, part of the Ministry of Defence, intends to award a contract for the design, manufacture, installation and assurance of a replacement Warship Electronic Chart Display and Information (WECDIS) Interface Unit (WIU) and Combat System Interface Unit (CSIU) (together the Interfaces) to OSI Maritime Ltd (OSI). The contract will be for a term of two years and have an estimated value of £15m (inc VAT). It is considered that this contract can be awarded under Section 41 of the Procurement Act 2023 because the direct award justification specified in paragraph 6 of Schedule 5 (single supplier – technical reasons) applies. This is because the WIU and CSIU are required to interface with an upgraded WECDIS being procured from OSI (and which was the subject of a separate transparency notice (reference X) published on X) and both Interfaces need to be integrated into the wider architecture of systems currently installed on Royal Navy platforms, all of which are supplied, supported and assured by OSI. These include the Electronic Chart Precise Integrated Navigation System (EPCIS) and Warship Automatic Identification System (WAIS). Only OSI has the necessary

How to win contracts like this

• ✓Answer against the marking scheme, not the question text — Defence Equipment and Support scores each response, so map your evidence to the published criteria and weightings.
• ✓At £12,500,000, expect quality and social value to carry a large share of the score — price alone rarely wins goods work.
• ✓Show recent, comparable delivery: name similar goods contracts you've delivered for public bodies, with measurable outcomes.
• ✓Start early: deadlines are tight and a strong bid takes iteration.

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