Source: https://tendernation.io/opportunities/01a13bdb-5031-7232-83dd-fa04024a618b/windsor-girls-school-boiler-replacement closed GB open procedure Reserved for SMEs and VCSEs # Windsor Girls School Boiler Replacement [Windsor Learning Partnership](https://tendernation.io/buyers/windsor-learning-partnership) Estimated value Not stated Published 13 Apr 2026 Deadline Closed 11 May 2026 ## Who can bid - Reserved for SMEs and VCSEs Only small and medium-sized enterprises and voluntary, community and social enterprises can bid, so you are not competing with large firms. [PPN 005: reserving below-threshold procurements](https://www.gov.uk/government/publications/ppn-005-reserving-below-threshold-procurements/ppn-005-guide-to-reserving-below-threshold-html) - Open to suppliers based in the UK The buyer has limited bidding to suppliers with substantive operations in this area. [PPN 005: reserving by supplier location](https://www.gov.uk/government/publications/ppn-005-reserving-below-threshold-procurements/ppn-005-guide-to-reserving-below-threshold-html) - Below-threshold contract Buyers cannot shortlist bidders on suitability before tenders are in, so everyone gets to submit a bid (except some larger works contracts). [Procurement Act 2023, section 85](https://www.legislation.gov.uk/ukpga/2023/54/section/85) - Open procedure Anyone can submit a full tender; there is no shortlisting stage. [More contracts for small businesses and VCSEs](https://tendernation.io/opportunities/reserved-for-smes-and-vcses) ## About this tender Small Plant Room: - Provision of all RAMS prior to commencement of work - Heras fencing to secure area of works during project, including warning signs - Removal and disposal of all associated waste during project - Isolation of current gas, water and electrical supplies to facilitate works - Removal and disposal of existing boilers - Supply and fit 4 x Vaillant Ecotec VU GB 120kw modular boilers - Boilers to be installed in 1 x banks of 4 on manufacturer supplied frames - Supply and install 1 x 480kw insulated plate to plate heat exchangers connected to existing system - Supply and install new gas fired water heater and flue systems - Supply and install pressurisation unit to new boiler system - Alterations to existing BMS system to accept new boilers - Alterations to existing electrical supplies to facilitate new install - Provision of scaffolding for installation of new flue system and connection to boilers \*Weather compensation to new boilers - Existing pumps to be retained - Alteration to all existing primary pipework to facilitate installation of new boilers \*Installation of phenolic foil faced lagging to all pipework - Manufacturer commissioning to new boilers - Water treatment to existing heating pipework - Provision of M&E file upon completion - Provision of all relevant certification - Provision of contingency amount for asbestos survey and removal if required. Sports Hall Plant Room: - Provide relevant RAMS prior to commencement of work - Apply cordex floor protection to area of work - isolate gas, water and electrical supplies - Remove and dispose of existing combined hot water and boiler unit - Supply and install 2 x new Vaillant ecoTEC 65kw condensing boiler - Alter pipework to boiler room as required - install new 300 litre unvented hot water cylinder - Install back up immersion supplies - Carry out chemical cleans of system - Install 35mm magnaclean magnetic sludge filter - Run new correctly sized gas supply externally from gas meter to new boilers - Run new condensate pipework to new boilers \*refill and inhibit system - Balance heating - Provide gas safety certificate \*Provide Compliance certificate - Provide manufacturers warranty 5 years - Make good to external brickwork - Clearance of all waste Read full description ## CPV classification Construction work Source Find a Tender (UK) · Notice ocds-h6vhtk-068118-2026-04-13T14:12:08+01:00 [View official notice](https://www.find-tender.service.gov.uk/Notice/ocds-h6vhtk-068118-2026-04-13T14:12:08+01:00) Never miss a tender like this again Get AI summaries, deadline alerts and a bid pipeline for tenders matched to your business. 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