RFP QuestBeta
ClosedStage · contract

KBS Maritime Ltd

B Lock Penstocks Replacement

Industrial MachineryCPV 42131220 45221220 42131120 42131143 50510000 42132100 42132110 42132120 42132130
Value£5.0m
Deadline18 Jun 2026
Published20 May 2026
RegionUK-wide
Contract value in context
£5.0mtotal contract value
median £100k
this tender£0£5.4m

This is a large award for Industrial Machinery — above three-quarters of comparable contracts. Based on 5,734 valued Industrial Machinery tenders in our corpus.

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The brief

KBS Maritime have a requirement for penstock replacements at B Lock within Portsmouth Naval Base.

The project consists of 10 in number replacement penstocks in 6 chambers overall.

The penstock system controls sea water via a culvert system between the harbour, the basin and the dry docks.

These include levelling penstocks of circa 8 metres deep to drainage penstocks circa 18 metres deep.

The replacement programme will replace the current cast irons doors with new with specification to be agreed along with the associated shafts, wedges, door nut, brackets, platforms, ladders and actuation and road plates.

This project is due to commence in Q4 2026 with all to be replaced by Feb 2030.

Contractors must be able to demonstrate design, manufacture and installation of penstock replacements in a marine environment including all site management under CDM regulations and competency of Health and…

Key requirements

What the supplier must deliver

01

Contractors must be able to demonstrate design

Contractors must be able to demonstrate design, manufacture and installation of penstock replacements in a marine environment including all site management under CDM regulations and competency of Health and Safety compliance and safe practices.

02

Contractors must also possess at least five

Contractors must also possess at least five years' experience working within a marine environment.

03

Contractors who do not provide suitable

Contractors who do not provide suitable and sufficient evidence of this will not be considered.

Derived from the notice text — always confirm against the original documents.

Source & provenance
OCID
b761e5b8-1c74-4a82-a2c9-ed1d0436af5f
Stage
contract · Contract
Source
Contracts Finder
Buyer ref
20260520100108-153032
View the original notice on Contracts Finder

Contains public sector information licensed under the Open Government Licence v3.0. Source data © Crown copyright.

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