DOCUMENT

ITB - Concrete Pav

  • ENTITY TYPE: County
  • TYPE OF DOCUMENT: BID - ITB, IFB, ITT, RFB
This document provides information and instructions related to concrete mix design, sampling, and testing for a construction project. It specifies that the contractor is responsible for providing cylinder molds and making concrete test cylinders, which should be submitted to the Maryland Highway Administration's Office of Materials & Research. The samples must be taken to the lab on the next working day. The cost for concrete sampling and testing is considered incidental to all items bid under the contract. The document also mentions the standard specification for making and curing concrete test specimens in the field. It states that the concrete mix design for the project should conform to the current approved mix design by the Maryland State Highway Administration. The contractor is required to prepare a progress schedule and submit it to the engineer before starting work. The document also includes information about the identification of concrete cylinders and provides a notice to contractors regarding the potential changes in the amount of work and the right of the engineer to make alterations to the work. It emphasizes that the contractor should investigate and satisfy themselves about the conditions affecting the work and acknowledges that the county assumes no responsibility for the contractor's conclusions and interpretations. The document also mentions the use of shredded topsoil material for backfilling and provides instructions regarding grades for curb, gutter, and sidewalk. It states that tree roots encountered during the removal and replacement of concrete should be saw-cut and removed, and any voids left should be filled and compacted using Crusher Run (CR-6).
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