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AC 150/5300-4B 6/24/75 <br />e. Lighting plans are included in the typical set of plans for general <br />guidance. However, the specialized nature of airport lighting <br />requires particular attention to numerous details which cannot be <br />adequately illustrated in the limited space available in the <br />typical stet. Chapter 11 discusses airfield lighting systems and <br />other visual aids. <br />f. Specifications are an essential part of the total data needed for <br />construction. They stipulate information pertaining to the method <br />and manner of performing the work, as well as the quantities and <br />quality of materials to be furnished under the contract. Federally <br />aided projects require use of the specifications given in Advisory <br />Circular 150/5370-10, Standards for Specifying Construction of <br />Airports, or use of an acceptable substitute, such as a pertinent <br />specification of the State Highway Department. In any event, local <br />conditions, practices, and needs must be considered in the compila- <br />tion of the project specifications. As a general guideline, prepare <br />concise and simple specifications. The decision to use local <br />materials should be based on an economical analysis and local <br />experience. <br />(1) Included in the typical set of plans are references to typical <br />specifications given in Advisory Circular 150/5370-10. For <br />example, the base course for a flexible pavement is referenced <br />to FAA Specification Number P-208, Aggregate Base Course. <br />(2) Depending upon local conditions, the engineer may wish to use <br />specification P-208 within the scope of the standard speci- <br />fication by selecting the proper variables such as the <br />aggregate gradation or by modifying it to meet specific local <br />conditions. A comparable state highway specification could be <br />substituted for the P-208 depending on the economics of the <br />individual situation. <br />Page 92 <br />Chap 14 <br />Par 83 <br />• <br />• <br />