Source: https://tendernation.io/opportunities/01a13c97-4201-712d-9030-89c2394b167f/invitation-to-tender-for-supply-build-and-installation-of-one-drying-oven-for-e pending GB open procedure Suitable for SMEs # Invitation to Tender for Supply, Build and Installation of one Drying Oven for Explosives at HSE's Science and Research Centre, Buxton [Health & Safety Executive](https://tendernation.io/buyers/health-safety-executive) Estimated value Not stated Published 2 Feb 2022 Deadline Rolling deadline ## Who can bid - Buyer says suitable for SMEs The buyer ticked “suitable for SMEs” on the notice. Anyone can still bid. - Buyer says suitable for VCSEs The buyer ticked “suitable for voluntary, community and social enterprises” on the notice. - Open procedure Anyone can submit a full tender; there is no shortlisting stage. [More contracts for small businesses and VCSEs](https://tendernation.io/opportunities/for-small-businesses) ## About this tender The Science Division (SD) of the Health and Safety Executive invites bids for the Supply, Build and Installation of one Drying Oven for Explosives at their Laboratory located at Harpur Hill, Buxton SK17 9JN. Minimum Requirements: - Must be suitable for use in category B Building; Zone 21 Category 2 Ex II2D IIIC with a T4 temperature rating. - Oven interior size must by 1 m x 1 m x 1 m - Interior of oven must be made from AISI 316 /18/8 Stainless Steel - Must be capable of sustaining various set temperatures up to 135oC (max). - The inside oven temperature must be able to reach 105oC and maintain this temperature for a minimum of 30 days. - Must have an accuracy of set temperature for temperature inside of oven to be +/- 2oC ( inclusive of k factor) (i.e. 75 +/- 2oC or 103 +/- 2oC ) - The heating cabinet should be equipped with an inner ventilation system and continuous recording of temperature. - Heating cabinet must be double skinned and use thermal conditioning medium (i.e. thermal oil / Air etc.) - Must have an additional thermostatic regulator that will override all other controls and limit the temperature to a safe level. This is required to be variable to set from 85oC to 135oC (once set this must be tamperproof) - The temperature safety cut-off's must not be self-re-setting. - Oven must have an indicator light to show when the heater is energised. - Spatial distribution within the oven - Max +/- 2OC (inclusive of k factor ) - All electrical equipment to be suitable for Zone 21. - All sensors should be protected with Zenor barriers - Must be able to add external thermocouples within the oven (Record oven temperature and temperature of an explosive article with external thermocouple attached). - Oven Insulation material must be mineral fibre - Oven must be able to be programmable and be able to connect to either a network or standalone computer/recording system and be able to download/print the temperature traces of either the oven/articles being temperature cycle, preferably both. The bid proposal should include costs for the build, supply and fitting of the oven at our Buxton site. Fitting should also include equipment testing to ensure all is working correctly and temperatures within requirements inclusive of k factor (Uncertainty) Oven must come with a guarantee and all required certifications (UKCA marked) for use in an explosive dust atmosphere. Oven to be calibrated in situ - preferably UKAS accredited but to National Standards would be acceptable and provide the required calibration certificate. Additional information: All tender documents are available via the HSE In-Tend supplier e-procurement portal. All responses and requests for clarification must be submitted via the portal. Registration is free of charge and can be completed via the following link: [in-tendhost.co.uk/hse](https://in-tendhost.co.uk/hse) Read full description ## CPV classification Industrial or laboratory furnaces, incinerators and ovens Source Contracts Finder (UK) [View official notice](https://www.contractsfinder.service.gov.uk/notice/7a4db0b1-249d-46c8-b6af-89c431b4bc23) Never miss a tender like this again Get AI summaries, deadline alerts and a bid pipeline for tenders matched to your business. Free to start. 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