Source: https://tendernation.io/opportunities/01a13bf8-844b-73c2-bc4d-f860f1ff8065/gb-edinburgh-refurbishment-of-dgps-masts-earls-hill awarded GB open procedure # GB-Edinburgh: Refurbishment of DGPS Masts - Earls Hill [Northern Lighthouse Board](https://tendernation.io/buyers/northern-lighthouse-board) Estimated value £91,848 Published 18 Nov 2016 Deadline Closed 28 Oct 2016 ## Who can bid - 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. ## About this tender The following gives an outline description of the works: Stage 1 - Carry out a conditional survey of each mast including all fixings, connections, guys ropes and anchorage point and then report on the suitability of the masts in their current condition. Stage 2 - Disconnect top antenna wires running between all three masts. This work must be undertaken by a competent nominated antenna contractor. The removal of the antenna wires shall allow NLB Staff to undertake tuning tests to establish whether the station can be run using only the central mast. The outcome of the works at this stage shall determine the scope and timescales for further works, there are three possible options as listed: ### Option 1 Should the trials prove unsuccessful the antenna wires shall be re-connected and then stage 3a of the works shall be implemented. ### Option 2 Should the trials show a strong indication that using only the central mast will be successful the refurbishment/demolition works shall be delayed for 4 weeks to allow NLB personnel to monitor the results. After this period Stage 3b of the works will be implemented as advised by NLB Rep. ### Option 3 Should the trials prove inconclusive the NLB retain the option to extend the trial period to 6 months after which time the works will move on to either stage 3a or 3b as determined by NLB Rep. All tenderers should take note of the above and price in accordance particularly in relation to mobilisation of site. Stage 3a - Refurbishment of all three masts as detailed in the Bill of Quantities. Stage 3b - Refurbishment of the central mast only with the outer masts being taken down and removed from site as outline in the Bill of Quantities. ### Stage 4 - Demobilisation and site clearance Site visits will be conducted on Wednesday 3 August 2016 for this project. Please contact Ruth Millan, to confirm attendance. Additional information: The contracting authority considers that this contract may be suitable for economic operators that are small or medium enterprises (SMEs). However, any selection of tenderers will be based solely on the criteria set out for the procurement. The tender documents can be downloaded from our buyer profile [nlb.g2b.info](http://nlb.g2b.info), current tenders, other information Read full description ## CPV classification Masts Source Contracts Finder (UK) [View official notice](https://www.contractsfinder.service.gov.uk/notice/693762fb-adca-11e6-9901-0019b9f3037b) 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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