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. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29. Inlets. Manholes and Junction Boxes (Section 425) The applicable portions of the Metropolitan Miami-Dade County Public Works Manual (latest edition), Part 1, Standard Details, as pertain to the design and construction of drainage wells and structures, are part of these Contract Documents. Section 425-6.7 - BACKFILLING: Add the fo]]owing to this sub-article: Select material sha]] be used for backfill adjacent to riser inlets, manholes and drainage we]] structures as detailed in the Plans. It sha]] consist of well-graded limerock or limerock and sand fill. Sand or fi]] having a high proportion of sand wi]] not be accepted as select fill. All selected fill sha]] be approved by the Engineer prior to placing. No separate payment wi]] be made for select fill, but sha]] be included in the Unit Price Bid for each particular item as indicated in the Bid Form of the Proposal. Section 425-8.2 - Adjusting Structures: This sub-article is expanded to include: Upon completion of the Work and prior to acceptance and final payment a]] such structures will be inspected by the Engineer to ensure that they are free of a]] debris and thoroughly cleaned. 30. Adiustment or Relocation of Valve. Meter, Mail Boxes and Pull Boxes (Section 425-8.2) The Work under these pay items includes any adjustments, relocation (raising, or lowering) of existing valve, meter, mail boxes and pu]] boxes. When relocation ofthe box is required, the Contractor sha]] make all necessary arrangements with the utility companies, as the utility companies are responsible to relocate the valves and meters and valve and meter boxes. Relocation of mail boxes are the Contractor's responsibility 31. Concrete Pipe (Section 449) 449-4.1 Special Requirements: Concrete Pipe sha]] meet the design requirements of the class of pipe ca]]ed for on the Bid Form of the Proposal, Pipe design shall be based upon requirements set forth in ASTM C 76 or Special Design which meet the requirements of ASTM C 655. For pipe designated as Class S, the pipe design will meet the requirements for ASTM C 655 and the 0.01" crack and ultimate D-Ioads given on the Roadway and Traffic Design Standards, Index Number 205. The Process of manufacture and the details of the pipe design, including strength of the concrete, wiU comply with the Standard Operating Procedure for the Inspection of Precast Drainage Products. At the Contractor's option non-reinforced pipe up to and including 36" diameter, may be used in place of reinforced concrete pipe designated Class S, Class I, II, III, and IV. Non-reinforced pipe sha]] meet the requirements of ASTM C 985 and the ultimate D-loads given on the Roadway and Traffic Design Standards, Index Number 205. such pipe sha]] be properly marked. Plugging of existing pipes to be abandoned in place sha]] comply with section 430 4.5 Rubber gaskets for concrete pipe joints sha]] comply with section 420. Oct. 2007, Special Provisions Page 13 of 15