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ISO11 Fumigation Lobby Replacement Project - Civil Works and CDM Principal Designer/Principal Contractor Role

THE PIRBRIGHT INSTITUTE

This public procurement record has 3 releases in its history.

TenderUpdate

22 Sep 2026 at 12:10

UK4 - Tender Notice
TenderUpdate

17 Aug 2026 at 09:13

UK4 - Tender Notice
Tender

06 Aug 2026 at 16:40

UK4 - Tender Notice
Summary of the contracting process

The Pirbright Institute is seeking one supplier for the ISO11 fumigation lobby replacement project at its site in Woking. The requirement is construction and civil engineering work, including the CDM Principal Designer and Principal Contractor roles, conversion of structural engineer drawings into construction drawings, and liaison with the local authority for Building Control. The works include temporary biocontainment, strip-out of an existing fumigation chamber and autoclave, new openings, loading and unloading areas, flooring and finishes to maintain hygienic, sealable ISO11 standards, security-rated double doors, external staircase replacement and plantroom door replacement. The supplier must coordinate integration with the fumigation lobby supplier and provide operation and maintenance information, as-built drawings and Building Control completion certificates. An optional price is also sought for bringing room G44 into ISO11.

The procurement has reached tender: the buyer invited offers through a below-threshold open competition. It is a single-lot requirement for one supplier, with electronic submission allowed. Enquiries were due by 2 September 2026 at 4:00pm, and offers were due by 30 September 2026 at 12:00 noon. The contract is scheduled to run from 6 November 2026 to 5 October 2027. The published estimated value is £154,166 excluding tax and £185,000 including tax. Bids will be evaluated on quality at 60% and price at 40%. The supplier is responsible for the full project delivery, including design coordination, construction, Building Control liaison, temporary containment, waste arrangements and completion documentation. The contract also includes an option for additional refurbishment works to room G44.

This opportunity suits a main contractor or construction-led consortium with experience in controlled, hygienic or biosecure environments, civil works and building alterations. Competitors need to be able to take responsibility for both design coordination and construction under the CDM Regulations, work carefully beside a temporary biocontainment wall, and deliver finishes and thresholds that preserve sealability and allow pallet-truck and forklift access. Relevant capability includes structural and construction drawing production, liaison with Building Control, brickwork, rendering, flooring, door installation, security-rated doors, external access structures and plantroom works. The supplier must coordinate with another specialist fumigation-lobby provider, manage covered metal and construction waste during a six-month quarantine period, and produce operation and maintenance records, as-built drawings and completion certificates. The requirement is suited to firms able to manage a complex live-site refurbishment from design through completion.

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Notice Information

Notice Title

ISO11 Fumigation Lobby Replacement Project - Civil Works and CDM Principal Designer/Principal Contractor Role

Notice Description

This opportunity ("Contract") is for a single supplier to provide: 1. Civil Works and CDM Principal Designer/Principal Contractor Role for the ISO11 Fumigation Lobby Replacement Project. 2. Conversion of Structural Engineer's drawings to Construction Drawings. 3. Liaison with Local Authority to ensure compliance with Building Control. This will include providing drawings and information as required by the Local Authority and hosting them during site visits. Fees for Building Control will be paid for by The Pirbright Institute. 4. Construction of a Temporary Biocontainment Wall which will allow the area to be externalised from ISO11 to enable construction works to take place. The wall shall provide a bioseal between the working area and the contained area. Suppliers must allow for works carried out close to this wall to be carried out with care and attention to prevent damage to the wall. 5. Strip out of existing fumigation chamber and autoclave. 6. Remove door between G48 & G44 (ISO8), brick up and render. 7. Remove the external door in G62, brick up and render. 8. Create opening into G49/G62 area after temporary containment barrier is in place. 9. Create new loading area in G49 / G62 area. This will include making good the floors, walls and ceiling to the same standards as ISO11 to maintain sealability. Remove and make good any raised door threshold so that there is smooth access to the fumigation lobby for pallet trucks. 10. Create space for new Fumigation Lobby and construct flooring inside Fumigation chamber to match with the flooring in ISO11 and ensure the threshold in and out of the fumigation lobby is flush to the floor so pallet trucks can access without any obstacles. 11. Remove current double doors in G51, brick up and render. 12. Create new opening to G51 and supply/install new double doors with SR4 security rating. 13. Create new unloading area in G51 with double door entry from the external hard standing (currently underneath the staircase). Walls and ceilings to be rendered and painted with wipeable paint for hygienic areas. Floor to be constructed to same standard as internal flooring to match that of the fumigation chamber to ensure unobstructed access to pallet trucks. 14. Remove and replace external staircase to allow forklift truck access to room G51 and maintain access to the first-floor plantroom. 15. Replace double doors to first floor plantroom and decorate. 16. The supplier is to make allowance to liaise with the fumigation lobby supplier to ensure they have the details to integrate the new fumigation lobby into the refurbished area. 17. The supplier shall allow for covered skip for metal and construction waste to be stored on site for 6 months quarantine before disposing off site. 18. The Pirbright Institute would also like to obtain an option cost to refurbish room G44, so that it can become part of ISO11. The supplier is to allow for upgrade the flooring to the same standard as ISO11 so that there is unobstructed access between G44 & G48 areas, walls and ceiling to be refurbished to ensure they maintain sealability. The works in 6 will apply to the door in G44 between G40 and G47 if this option is ordered. 19. The supplier is to provide CDM Principal Designer and Principal Contractor Role for the entire project. Details of this are shown in ITT Part 1 - Appendix 1 - Civil & CDM Scope of Works. 20. On completion, an O&M is to be submitted which provides details of works from design to completion. This shall include as built drawings and Building Control Completion Certificates.

Notice Details

Publication & Lifecycle

Open Contracting ID
ocds-h6vhtk-06de5f
Publication Source
Find A Tender Service
Latest Notice
https://www.find-tender.service.gov.uk/Notice/089575-2026
Current Stage
Tender
All Stages
Tender

Procurement Classification

Notice Type
UK4 - Tender Notice
Procurement Type
Standard
Procurement Category
Works
Procurement Method
Open
Procurement Method Details
Below threshold - open competition
Tender Suitability
Not specified
Awardee Scale
Not specified

Common Procurement Vocabulary (CPV)

CPV Divisions

45 - Construction work

71 - Architectural, construction, engineering and inspection services

79 - Business services: law, marketing, consulting, recruitment, printing and security

CPV Codes

45000000 - Construction work

45200000 - Works for complete or part construction and civil engineering work

71247000 - Supervision of building work

71311000 - Civil engineering consultancy services

71311100 - Civil engineering support services

71320000 - Engineering design services

71322000 - Engineering design services for the construction of civil engineering works

79415200 - Design consultancy services

79933000 - Design support services

Notice Value(s)

Tender Value
£154,166 £100K-£500K
Lots Value
£154,166 £100K-£500K
Awards Value
Not specified
Contracts Value
Not specified

Notice Dates

Publication Date
22 Sep 20262 weeks ago
Submission Deadline
30 Sep 2026Expired
Future Notice Date
Not specified
Award Date
Not specified
Contract Period
6 Nov 2026 - 5 Oct 2027 6-12 months
Recurrence
Not specified

Notice Status

Tender Status
Active
Lots Status
Active
Awards Status
Not Specified
Contracts Status
Not Specified

Buyer & Supplier

Contracting Authority (Buyer)

Main Buyer
THE PIRBRIGHT INSTITUTE
Contact Name
Available with D3 Tenders Premium →
Contact Email
Available with D3 Tenders Premium →
Contact Phone
Available with D3 Tenders Premium →

Buyer Location

Locality
WOKING
Postcode
GU24 0NF
Postcode Area
Guildford
Country
England
Major Region (ITL 1)
TLJ South East (England)
Basic Region (ITL 2)
TLJ2 Surrey, East and West Sussex
Small Region (ITL 3)
TLJ25 West Surrey
Delivery Location
TLJ25 West Surrey
Local Authority
Guildford
Electoral Ward
Normandy & Pirbright
Westminster Constituency
Surrey Heath

Further Information

Notice Documents

Open Contracting Data Standard (OCDS)

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The Open Contracting Data Standard (OCDS) is a framework designed to increase transparency and access to public procurement data in the public sector. It is widely used by governments and organisations worldwide to report on procurement processes and contracts.

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