Source: https://tendernation.io/opportunities/01a13c8c-a790-721c-acda-dc768b8cd2de/bespoke-frontend-heated-valve-boxes-for-sample-selection-and-drying-for-atmosph awarded GB open procedure Reserved for SMEs and VCSEs # Bespoke frontend, heated valve boxes for sample selection and drying for atmospheric air. [University of Bristol](https://tendernation.io/buyers/university-of-bristol) Estimated value £76,446 Published 7 Nov 2022 Deadline Closed 28 Nov 2022 ## 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) - Small contract value Valued under £135,018 including VAT, the lowest Procurement Act threshold for goods and services. - 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 This procurement is reserved for UK SME suppliers (PPN 11/20). This project represents an expansion and enhancement of the current UK Deriving Emissions linked to Climate Change (DECC) network in order to extend measurements of greenhouse gases and ozone depleting substances within the UK, as part of the Building a Green Future Capital Award 2022/23. Systems procured will be installed at remote atmospheric measurement stations within the UK and Ireland, and data used to monitor atmospheric greenhouse gas mixing ratios. The contract is for 6 x Bespoke frontend, heated valve boxes for sample selection and drying for atmospheric air. The system requirements are as follows: - Communicate with GCWerks via RS-232 or RJ-45 connection. - Have a IEC C14 socket for its main 240V inlet. Optional to include IEC C13 to UK plug power cable. - Fit within a 19" rack and be no larger than 3U. - Dry the sample gas using a Nafion dryer with a vacuum as the counterpurge gas. - Ability to heat the valve box to 40°C. - Have a minimum of an 8 port, multiposition Valco valve with 1/16" connections. - Have a minimum of 8 Valco bulkhead unions on the front panel of the system to feed gas into the multiposition valve. - Monitor pressure of the gas stream downstream of the multiposition valve. - Have a pressure controller downstream of the multiposition valve and pressure sensor but upstream of the Nafion dryer. - Shipping included to the School of Chemistry, University of Bristol This procurement is to manage samples measured on optical spectrometers that are being procured as part of the Building a Green Future Capital Award 2022/23. The system needs to be able to measure and control gas pressure to enable remote monitoring and control of the system via GCWerks software to help reduce time needed for full operation in the network. This procurement is funded by UKRI - Natural Environment Research Council (NERC). The contract must be in place before March 2023. The contract will be on the University of Bristol Terms and Conditions. There will not be any negotiations on any of the substantive terms of the tender documents, including the Conditions of Contract. Read full description ## CPV classification Research and development services and related consultancy services Source Contracts Finder (UK) [View official notice](https://www.contractsfinder.service.gov.uk/notice/2fabb3f8-9c45-466a-b52e-a65f09df693e) 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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