Carriageway Coring Contract 2018-20

Descriptions

Since the inception of the New Roads and Street Works Act 1991, (NRSWA), and its associated Regulations and Codes of Practice there has been a statutory requirement that all excavations conducted in the public highway as part of street works must be reinstated to the requirements contained in the Specification for the Reinstatement of Openings in Highways, (SROH), current at the time of reinstatement. The responsibility for complying with those requirements lies with the Works Promoter.The implementation of a coring programme will determine if the statutory undertakers currently operating in Flintshire are meeting the required standards.Introduction and OverviewFlintshire carry out visual inspections of work promoter’s work to determine compliance with the SROH.A visual inspection will look primarily at the surface characteristics of a reinstatement and will compare them against the intervention levels as detailed within the SROH. The long term performance of a reinstatement is dependant, not only on the surface characteristics but also on the underlying properties of that reinstatement and the correct placement of the reinstated materials.The proposed coring programme will enable Flintshire to carry out detailed investigatory sampling and testing to determine the level of non-compliance in Flintshire.Samples will be taken randomly at category B stage (6 months after works), this will enable the service to use the result to promote good working practices with reinstatement teams still operating in the area.The proposed coring programme will take place over a period of 2 years, with the option a 3rd year, should the failure rates in the last 6 months of the second year be below 80%.A total of 480 core samples will be taken (20 per month), a random section process will take place, proportionate to the level of Utility activity for the first 6 months of the contract (an additional 240 cores if the contract is extended into 3rd year). The selection process after 6 months will be determined by the results, with additional cores taken from undertakers with high failure rates.NOTE: To register your interest in this notice and obtain any additional information please visit the Sell2Wales Web Site at http://www.sell2wales.gov.wales/Search/Search_Switch.aspx?ID=77465.