Works - 258408-2020

Submission deadline has been amended by:  285289-2020
03/06/2020    S106

United Kingdom-Reading: Sewage-treatment plant construction work

2020/S 106-258408

Contract notice – utilities


Legal Basis:
Directive 2014/25/EU

Section I: Contracting entity

I.1)Name and addresses
Official name: Thames Water Utilities Ltd
Postal address: Procurement Support Centre — 3rd Floor East, C/O Mail Room, Rose Kiln Court
Town: Reading
NUTS code: UKJ11 Berkshire
Postal code: RG2 0BY
Country: United Kingdom

Internet address(es):

Main address:

I.2)Information about joint procurement
Access to the procurement documents is restricted. Further information can be obtained at:
Additional information can be obtained from the abovementioned address
Tenders or requests to participate must be submitted electronically via:
Tenders or requests to participate must be submitted to the abovementioned address
I.6)Main activity

Section II: Object

II.1)Scope of the procurement

Mogden STW AMP 7 Resilience

Reference number: CP0006 J010
II.1.2)Main CPV code
45252100 Sewage-treatment plant construction work
II.1.3)Type of contract
II.1.4)Short description:

Design, construct and commission resilience works to the current Mogden Sewage Treatment Works (STW) with the scope summarised as follows:

• improve the capacity of preliminary treatment;

• improve the resilience and capacity of primary and secondary treatment;

• improve the resilience of the Sludge and Digester Streams and prepare them for AMP8 work;

• provide additional onsite energy generation;

• enable the works to meet its flow and quality consent for population growth.

Contract award is expected to be May 2021 and the project is required to be complete by March 2025, unless the Options for AMP 8 works are instructed.

The contractor will be required to carry out the works without adversely impacting on the integrity of the STW and in accordance with the current permits.

II.1.5)Estimated total value
Value excluding VAT: 70 000 000.00 GBP
II.1.6)Information about lots
This contract is divided into lots: no
II.2.2)Additional CPV code(s)
45252000 Construction works for sewage treatment plants, purification plants and refuse incineration plants
71320000 Engineering design services
39350000 Sewerage works equipment
45259000 Repair and maintenance of plant
45259100 Wastewater-plant repair and maintenance work
45259900 Plant upgrade work
II.2.3)Place of performance
NUTS code: UKI75 Hounslow and Richmond upon Thames
Main site or place of performance:

Mogden, Isleworth.

II.2.4)Description of the procurement:

Mogden Sewage Treatment Works (STW) is the second largest STW in the Thames region and the country. Its catchment area in the west of London stretches from Chiswick to the north and west of Heathrow Airport.

The design flow to full treatment capacity is 1 064 Mld. The works which are the subject matter of this contract opportunity are to provide for growth, resilience and consent compliance to a design horizon of 2 036 with the population equivalent (PE) projected to be 2.4 million; the contract will also include related planning, design and engineering services.

The scope of this project comprises the following activities:

Upgrades to the inlet pumping station and preliminary treatment to provide capacity, resilience and protection to downstream processes, including:

• high voltage (HV) and low voltage (LV) electrical infrastructure;

• additional screenings capacity on the East side;

• improved grit distribution and capacity on the west side.

Capital maintenance improvement works on the East Side Primary Settlement Tanks (PSTs) 1-8.

Capital maintenance work and improved process control, to increase the resilience of the activated sludge plants (ASPs) including:

• C battery blower replacement and ASP works including RAS system improvements;

• D battery blower replacement;

• E battery blower power supply;

• remove flow restriction on North Final Settlement Tanks (FSTs) on Batteries A&B.

New sludge treatment facilities to increase capacity, improve asset reliability and provide resilience. This includes:

• additional thickened sludge blending tank with odour control;

• new raw sludge thickening streams including thickeners and strain presses with the associated pumps and polymer system;

• modifications to the sludge import facility to improve the throughput of the sludge stream;

• digester modifications including capital maintenance work on mixing systems, replacement of roofs and preparatory works for a future sludge scheme by enabling sequential primary digestion;

• replace the existing gas forwarding compressors and installation of a fourth Combined Heat and Power (CHP) engine;

• capital maintenance works to replacement or upgrade existing HV and LV Switchboards;

• modifications to the power management system and upgrade of the site SCADA (supervisory control and data acquisition) system

Other works to upgrade the capacity of the existing systems for the 2036 growth scenario.

The contractor shall also be responsible for submitting the application for planning consent, if required.

II.2.5)Award criteria
Price is not the only award criterion and all criteria are stated only in the procurement documents
II.2.6)Estimated value
Value excluding VAT: 70 000 000.00 GBP
II.2.7)Duration of the contract, framework agreement or dynamic purchasing system
Duration in months: 46
This contract is subject to renewal: no
II.2.9)Information about the limits on the number of candidates to be invited
Envisaged number of candidates: 4
Objective criteria for choosing the limited number of candidates:

As stated in procurement documents.

II.2.10)Information about variants
Variants will be accepted: no
II.2.11)Information about options
Options: yes
Description of options:

Please refer to the project brief.

II.2.12)Information about electronic catalogues
II.2.13)Information about European Union funds
The procurement is related to a project and/or programme financed by European Union funds: no
II.2.14)Additional information

Section III: Legal, economic, financial and technical information

III.1)Conditions for participation
III.1.1)Suitability to pursue the professional activity, including requirements relating to enrolment on professional or trade registers
List and brief description of conditions:

As detailed in the procurement documents.

III.1.2)Economic and financial standing
Selection criteria as stated in the procurement documents
III.1.3)Technical and professional ability
Selection criteria as stated in the procurement documents
III.1.4)Objective rules and criteria for participation
List and brief description of rules and criteria:

As detailed in the procurement documents.

III.1.5)Information about reserved contracts
III.1.6)Deposits and guarantees required:

Bonds and/or parent company guarantees of performance and financial standing may be required.

III.1.7)Main financing conditions and payment arrangements and/or reference to the relevant provisions governing them:

Please refer to the procurement documents

III.1.8)Legal form to be taken by the group of economic operators to whom the contract is to be awarded:

Consortia may be required to form a legal entity prior to award.

III.2)Conditions related to the contract
III.2.2)Contract performance conditions:

Please refer to the procurement documents.

III.2.3)Information about staff responsible for the performance of the contract

Section IV: Procedure

IV.1.1)Type of procedure
Negotiated procedure with prior call for competition
IV.1.3)Information about a framework agreement or a dynamic purchasing system
IV.1.4)Information about reduction of the number of solutions or tenders during negotiation or dialogue
Recourse to staged procedure to gradually reduce the number of solutions to be discussed or tenders to be negotiated
IV.1.6)Information about electronic auction
IV.1.8)Information about the Government Procurement Agreement (GPA)
The procurement is covered by the Government Procurement Agreement: no
IV.2)Administrative information
IV.2.1)Previous publication concerning this procedure
IV.2.2)Time limit for receipt of tenders or requests to participate
Date: 01/07/2020
Local time: 12:00
IV.2.3)Estimated date of dispatch of invitations to tender or to participate to selected candidates
IV.2.4)Languages in which tenders or requests to participate may be submitted:
IV.2.6)Minimum time frame during which the tenderer must maintain the tender
Duration in months: 6 (from the date stated for receipt of tender)
IV.2.7)Conditions for opening of tenders

Section VI: Complementary information

VI.1)Information about recurrence
This is a recurrent procurement: no
VI.2)Information about electronic workflows
Electronic ordering will be used
Electronic invoicing will be accepted
Electronic payment will be used
VI.3)Additional information:

Anticipated duration of the project is 46 months.

Sections of the project will be required to be delivered at specific milestones within the 46 months.

The figure stated in Section II.1.5) and Section II.2.6) is the current estimated maximum value of the contract. Thames Water considers that the value of this project is estimated to be in the range of GBP 60 m — GBP 70 m.

Organisations wishing to express an interest in this contract opportunity must complete and submit a pre-qualification questionnaire (PQQ) response by the date specified in Section IV.2.2). A pack of procurement documents (including the PQQ instructions and questionnaire) is available by using the link in Section I.3 of this notice, i.e.

We will be holding a webinar to help applicants understand technical aspects of our requirements. This will be held at 10 am on 16 June 2020. Organisations expressing an interest in this project and requesting a pre-qualification questionnaire using the web link in Section 1.3 of this notice will be sent a link for the webinar. By participating in this webinar you agree to it being recorded and shared with other interested parties. If you are unable to take part in the webinar then the recording will be made available.

The ITN process is being conducted in two stages with the initial 4 tenderers reducing to 2 for the second stage.

Thames Water reserves the right to change any aspect of or terminate this procurement and/or consider alternative procurement options. Under no circumstances shall Thames Water incur any liability (costs or otherwise) arising from an organisation expressing an interest in, preparing responses to and/or participating in this procurement.

Note that your client may be Thames Water Utilities Ltd or another company within the Kemble Water group structure.

VI.4)Procedures for review
VI.4.1)Review body
Official name: Thames Water Utilities Limited
Town: Reading
Country: United Kingdom
VI.4.2)Body responsible for mediation procedures
VI.4.3)Review procedure
Precise information on deadline(s) for review procedures:

Thames Water Utilities Ltd will incorporate a standstill period at the point information on the award of the contract is communicated to tenderers. That notification will provide full information on the award decision. The standstill period, which will be for a minimum of 10 calendar days, provides time for unsuccessful tenderers to challenge the award decision before the contract is entered into.

The Utilities Contracts Regulations 2016 provide for aggrieved parties who have been harmed or are at risk of harm by a breach of the rules to take action in the High Court (England, Wales and Northern Ireland).

VI.4.4)Service from which information about the review procedure may be obtained
Official name: Thames Water Utilities Ltd
Town: Reading
Country: United Kingdom
VI.5)Date of dispatch of this notice: