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ocds-b5fd17-82dd4cf2-0104-481b-818e-b49fda6f1387Published facts
813cb6d1-5cf1-4982-9955-f3be4e5da830-899179Review of Structural assessment load models in DMRB. There is a need for resources to support National Highways Structures Group to review of structural assessment load models in DMRB and support implementing the changes that may be required In the DMRB including liaising with NH document owners. The contract will require the following deliverables: Phase 1 - Review the NH internal paper proposing revisions to partial factors based on a lower target reliability level and make recommendations for amendments to CS454 to incorporate the proposed approach. - Review CS454 to identify areas where current design requirements are less onerous than those in CS454. This may include, but is not limited to, the treatment of Accidental Wheel Loading (AWL); and transverse deck stiffness for CS454 LM2 loading. - Identify the further work required in Phase 2 to support proposed amendments to CS454. - Desk top review of background documents used for calibration of design Eurocodes. Phase 2 - Undertake the analyses identified in Phase 1 to support proposed changes to CS454. - Advise on the feasibility of replacing non-traffic CS454 load models (e.g. wind, thermal actions, etc.) with equivalent Eurocode load models. - Advise on the feasibility of adopting Eurocode traffic loading with reduced partial factors for assessment as an alternative to CS454 - Advise on wider changes that could be implemented to CS 454 related to different levels of traffic loading. - Assess impact on wider DMRB documents related to structural assessment. Phase 3 - Support changes required to CS454, and if applicable to wider DMRB documents, within CARS to implement the recommendations arising from Phases 1 and 2, together with any additional changes proposed by NH through prior feedback. - Support through the various stages associated with NH's standards development governance as defined in the Manual for Development of Documents (MDD) - Provide editable electronic versions of all amended documents e.g. flowcharts, drawings, etc. to NH.
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813cb6d1-5cf1-4982-9955-f3be4e5da830-899179Awards and suppliers
Buyer: National Highways LimitedSupplier: WSP UK Ltd
ocds-b5fd17-82dd4cf2-0104-481b-818e-b49fda6f1387-1End dates, recurrence wording and links are shown as they appear in public notices. They do not create a new opportunity. If no later linked record appears here, that means Bidwake did not find one in the records it has loaded; it does not prove that none exists.