Mains Rehabilitation

  • THAMES WATER UTILITIES LIMITED

F14: Notice for changes or additional information

Notice identifier: 2024/S 000-038481

Procurement identifier (OCID): ocds-h6vhtk-04c0ac

Published 28 November 2024, 3:08pm



Section one: Contracting authority/entity

one.1) Name and addresses

THAMES WATER UTILITIES LIMITED

Reading

RG18DB

Contact

Thames Water

Email

procurement.support.centre@thameswater.co.uk

Country

United Kingdom

Region code

UKJ11 - Berkshire

Companies House

02366661

Internet address(es)

Main address

https://www.thameswater.co.uk/


Section two: Object

two.1) Scope of the procurement

two.1.1) Title

Mains Rehabilitation

Reference number

FA2172

two.1.2) Main CPV code

  • 45000000 - Construction work

two.1.3) Type of contract

Works

two.1.4) Short description

This project includes, but is not limited to the following packages of work:

A new chemical storage and dosing system to aid Phosphorus removal

A new pre-aeration primary tank supernatant and RAS mixing and distribution chamber

A new activated sludge aeration lane that matches existing with two new 35 m diameter final settlement tanks and RAS system

A new Tertiary Solids Removal treatment stage

A new standby power facility

A new centrate storage tank and pump system to return centrate for treatment

A new Picket Fence Thickener to operate in parallel to two existing units

A new liquor return pump station to return site liquors for treatment


Section six. Complementary information

six.6) Original notice reference

Notice number: 2024/S 000-038402


Section seven. Changes

seven.1.2) Text to be corrected in the original notice

Section number

II.1.4

Place of text to be modified

II.1.4

Instead of
Text

This project includes, but is not limited to the following packages of work:

A new chemical storage and dosing system to aid Phosphorus removal

A new pre-aeration primary tank supernatant and RAS mixing and distribution chamber

A new activated sludge aeration lane that matches existing with two new 35 m diameter final settlement tanks and RAS system

A new Tertiary Solids Removal treatment stage

A new standby power facility

A new centrate storage tank and pump system to return centrate for treatment

A new Picket Fence Thickener to operate in parallel to two existing units

A new liquor return pump station to return site liquors for treatment

Read
Text

This project includes, but is not limited to the following packages of work:

Optimisation, structural replacement or relining of distribution water mains within DMAs and bounded by district meters and the District Boundary Valves.

· Structural replacement of all service connections from the distribution mains to customer boundaries, including installation of a suitable boundary box.

· Replacement of all apparatus connected to the network including valves, hydrants, disinfection points, air valves, etc.

· Securing abandoned mains by cutting and capping. Removing surface covers, marker posts and plates of abandoned washouts, hydrants and valves etc. so that only covers relating to live apparatus remain.