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PROCUREMENT OPPORTUNITY

K298 Maple Lodge STW Quality AMP 7 New Permit

THAMES WATER UTILITIES LIMITED · Contract award notice on Find a Tender

Tender information last checkedLast checked 4 Oct 2026, 20:46.

Opportunity overview

This project includes, but is not limited to the following packages of work: An additional inlet screen with civils alterations and screening handling upgrade An additional detritor and flow inlet channel, incorporating a new storm separation weir A new storm tank and river outfall, including flow transfer culvert and new storm return pumping station Upgrades to the existing six PSTs and conversion of three storm tanks into PSTs, fitted with chain and flight scraper Replacement Primary chemical dosing pumps to aid Phosphorus removal A new activated sludge plant Bank C, with new feed PS and blowers Eight new 28m diameter final settlement tanks, interconnecting pipework, distribution chambers and RAS system A new secondary chemical dosing system to aid Phosphorus removal Two new Tertiary Solids Removal treatment plants, one serving the effluent from Bank A and B, and one serving the effluent from the new Bank C An additional Drum thickener New incoming switchboard for the new DNO supply Modification and upgrade of HV/LV networks Modification and upgrade to the power management system and site-wide SCADA Modification and upgrade to the Process SCADA Additional standby powered generation Demolition and removal of redundant structures, plant and equipment N.B. Please note that this Contract Notice shows a value of £280m. The current contract value is circa £140m-£280m.

Awarded to

Amounts belong to published awards or contracts. Where several suppliers share one value, it is labelled as shared and is not a supplier-specific allocation.

Classification

No classification was supplied.

Lots

  • Lot 1Value not stated

Documents and notices

Published notice details

Additional information from the published procurement release. Fields appear only when supplied by the source; check the original notice and tender documents before acting.

Scope, procedure and submissions

Id
TC2239
Status
complete
Procurement Method
selective
Procurement Method Details
Competitive flexible procedure

Legal basis

Id
2023/54
Scheme
UKPGA

Special regime

utilities

Lots and requirements

Entry 1
Id
1
Status
complete

Buyer, suppliers and contacts

Organisation 1
Name
THAMES WATER UTILITIES LIMITED
Id
GB-COH-02366661

Identifier

Scheme
GB-COH
Id
02366661

Additional Identifiers

Entry 1
Scheme
GB-PPON
Id
PNQQ-4647-DTCV

Address

Street Address
Clearwater Court
Locality
Reading
Postal Code
RG1 8DB
Country
GB
Country Name
United Kingdom
Region
UKJ11

Contact

Roles

buyer

Details

Classifications

Entry 1
Scheme
UK_CA_TYPE
Id
privateUtility
Description
Private utility
Organisation 2
Name
KIER INFRASTRUCTURE AND OVERSEAS LIMITED
Id
GB-COH-01157281

Identifier

Scheme
GB-COH
Id
01157281

Additional Identifiers

Entry 1
Scheme
GB-PPON
Id
PVTW-7693-ZMVY

Address

Street Address
2nd Floor Optimum House
Locality
Salford
Postal Code
M50 3XP
Country
GB
Country Name
United Kingdom
Region
UKD34

Contact

Roles

supplier

Details

Scale
large
Vcse
No
Public Service Mission Organization
No
Sheltered Workshop
No

Award information

Award 1
Id
1
Title
K298 Maple Lodge STW Quality AMP 7 New Permit
Status
pending
Date
17 Feb 2026, 00:00
Main Procurement Category
works
Above Threshold
Yes
Assessment Summaries Date Sent
17 Feb 2026, 00:00

Items

Item 1
Id
1
Related Lot
1

Additional Classifications

Entry 1
Scheme
CPV
Id
45252127
Description
Wastewater treatment plant construction work

Delivery locations

Entry 1
Region
UKI
Country
GB
Country Name
United Kingdom

Value

Including VAT
280,000,000
Currency
GBP

Suppliers

Supplier 1
Id
GB-COH-01157281
Name
KIER INFRASTRUCTURE AND OVERSEAS LIMITED

Standstill Period

Ends
26 Feb 2026, 23:59

Contract period

Starts
1 Apr 2026, 00:00
Ends
29 Mar 2030, 23:59

Related lots

1

Documents

Entry 1
Id
014471-2026
Document Type
awardNotice
Notice Type
UK6
Description
Contract award notice on Find a Tender
Published
17 Feb 2026, 15:58
Format
text/html

Milestones

Entry 1
Id
1
Type
futureSignatureDate
Due
31 Mar 2026, 23:59
Status
scheduled

Recorded locations

  • Buyer location · Reading · UKJ11 · RG1 8DB · United Kingdom

Notice and amendment history

1 published notice version reviewed by ProcuraAxis.

1 VERSION
  1. 014471-2026Contract award notice on Find a Tender ·