Great British Energy – Nuclear (GBE-N) has outlined plans for an early works package with an estimated contract value range of £730M to £1.1bn.
A preliminary market engagement notice published on 20 August sets out the scope of the package, which covers civils, infrastructure, buildings and MEP, and earthworks.
The package covers key enabling activities required to prepare the (unlisted) site for main construction.
The early works package forms part of GBE-N’s Owner’s Scope, which encompasses the planning, licensing, design and construction activities necessary to enable a Technology Partner to install and commission small modular reactor (SMR) technology.
SMR is a category of nuclear fission reactors that are significantly smaller in size and power output than traditional gigawatt-scale nuclear plants. GBE-N has spearheaded a competition to select preferred technologies, naming Rolls-Royce SMR as a preferred designer for projects at sites like Wylfa in North Wales (main image above).
The estimated contract period is from 1 June 2028 to 1 June 2034, with a possible extension to 1 June 2037 and the work includes design from RIBA Stage 4 and delivery of ground-related enabling activities, including species relocation, remediation services, site clearance, site establishment and construction utilities.
The package also includes supporting infrastructure such as drainage and haul roads to support bulk earthworks.
The early works will establish the correct ground levels and create safe access routes for subsequent phases. They will provide the foundational physical platform needed to de-risk, mobilise and accelerate the main works programme, according to the notice.
GBE-N considered splitting the packages into two but has decided to consolidate them into one package to minimise interface risk.
GBE-N cautioned that the positions and timelines presented are based on current information and assumptions. It said the scope, dates, values and sequencing may change as programme maturity develops and further validation is undertaken.
GBE-N will hold a preliminary market engagement webinar on 3 September from 10am to 11.45am. The webinar will provide the market with an insight into the contracts to be procured under the Owner’s Scope, with a focus on the Early Works package. It will also cover the intended procurement approach, scope of works and services, and indicative contracting approach for the Early Works package.
GBE-N said it may hold further engagement events before tender launch to cover each procurement package individually.
The estimated publication date for the tender notice is 1 March 2027 and the package is identified as being particularly suitable for small and medium-sized enterprises.
Suppliers wishing to attend the webinar must register their interest before attending.
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