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6/24/75 AC 150/5300-4B • CHAPTER 14. CONSTRUCTION PLANS 82. GENERAL. The purpose of a set of plans is to show the location, charac- ter, dimensions, and details of the airport and the work to be done. Such plans enable competitive bidding and lead to achievement of economic construction while maintaining high standards. Accordingly, it is in the best interests of all parties involved in airport develop- ment to prepare a set of plans and specifications as part of the con- struction contract. 83. TYPICAL SET OF PLANS. A typical set of airport,plans has been developed as a guide to the preparation of a complete and up-to-date set of plans for construction of utility airports. The typical set is included as Appendix 4 to this circular and should be used in conjunction with the information provided herein. Furthermore, it is emphasized that the plans provide guidance only and are not to be copied for development of an airport component. Only qualified engineers should prepare the actual construction plans for an airport project. a. The number of drawings and the extent of information needed for any specific development will vary depending on the scope and character of the project. Plans for expansion of facilities at an existing airport will usually require less engineering and fewer drawings than for the initial development of an airport. b. Technical standards which should be utilized in the preparation of construction plans are listed in Appendix 5, Bibliography. These standards form the basis of the typical set of plans. How- ever, it is not intended that such standards be applied blindly. In certain circumstances, a deviation from a standard either to a lesser or greater degree may be warranted. Therefore, it is advisable to closely coordinate preparation of the project plans with FAA airport engineers. The locations of offices which can provide this service are listed in Advisory Circular 150/5000-3. c. An engineer's report should be an integral part of the data furnished for the project. This report should state the basis of the engineer's design. Subjects discussed should include drainage analysis, soil and subgrade determinations, recommended paving sections, turfing, all unusual features of the design, and any deviation from standards. The engineer's report need not be given to construction bidders. d. The project layout plan has been included in the typical set of Plans to obtain a complete picture of present and future development of the airport. However, it is strongly emphasized that the airport layout plan must be formulated prior to any initiation of construc- tion plans. Master planning cannot be effectively done concurrently with preparation of the project plans. (See Advisory Circular • 150/5070-6) Chap 14 Par 82 Page 91