Federal Aviation Administration, DOT Section 151.45 and incidental costs, may be allowed even though they were incurred before that date, if they were incurred after May 13, 1946; and (4) Be supported by satisfactory evidence. [Doc. No. 1329, 27 FR 12351, Dec. 13, 1962, as amended by Amdt. 151-8, 30 FR 8040, June 23, 1965; Amdt. 151-14, 31 FR 11747, Sept. 8, 1966] Section 151.43 United States share of project costs. (a) The United States share of the allowable costs of a project is stated in the grant agreement for the project, to be paid from appropriations made under the Federal Airport Act. (b) Except as provided in paragraphs (c) and (d) of this section and in subpart C of this part, the United States share of the costs of an approved project for airport development (regardless of its size or location) is 50 percent of the allowable costs of the project. (c) The U.S. share of the costs of an approved project for airport development in a State in which the unappropriated and unreserved public lands and nontaxable Indian lands (individual and tribal) is more than 5 percent of its total land, is the percentage set forth in the following table: State Percent Alaska ...................................................................... Arizona ..................................................................... California .................................................................. Colorado .................................................................. Idaho ........................................................................ Montana ................................................................... Nevada .................................................................... New Mexico ............................................................. Oregon ..................................................................... South Dakota ........................................................... Utah ......................................................................... Washington .............................................................. Wyoming .................................................................. 62.50 60.80 53.72 52.98 55.80 52.99 62.50 56.14 55.64 52.53 60.65 51.53 56.33 (d) The United States share of the costs of an approved project, representing the costs of any of the following, is 75 percent: (1) The costs of installing high intensity runway edge lighting on a designated instrument landing runway or other runway with an approved straight-in approach procedure. (2) The costs of installing in-runway lighting (touchdown zone lighting system, and centerline lighting system). (3) The costs of installing runway distance markers. (4) The costs of acquiring land, or a suitable property interest in land or in or over water, needed for installing operating, and maintaining an ALS (as described in Section 151.13). (5) The costs of any project in the Virgin Islands. [Doc. No. 1329, 27 FR 12351, Dec. 13, 1962, as amended by Amdt. 151-17, 31 FR 16524, Dec. 28, 1966; Amdt. 151-20, 32 FR 17471; Dec. 6, 1967; Amdt. 151-35, 34 FR 13699, Aug. 27, 1969; Amdt. 151-36, 34 FR 19501 Dec. 10, 1969] Section 151.45 Performance of construction work: General requirements. (a) All construction work under a project must be performed under contract, except in a case where the Administrator determines that the project, or a part of it, can be more effectively and economically accomplished on a force account basis by the sponsor or by another public agency acting for or as agent of the sponsor. (b) Each contract under a project must meet the requirements of local law. (c) No sponsor may issue any change order under any of its construction contracts or enter into a supplemental agreement unless three copies of that order or agreement have been sent to and approved by the Area Manager. SectionSection 151.47 and 151.49 apply to supplemental agreements as well as to original contracts. (d) This section and SectionSection 151.47 through 151.49 do not apply to contracts with the owners of airport hazards, (as described in Section 151.39(b)), buildings, pipe lines, power lines, or other structures or facilities, for installing, extending, changing, removing, or relocating that structure or facility. However, the sponsor must obtain the approval of the Area Manager before entering into such a contract. (e) No sponsor may allow a contractor or subcontractor to begin work under a project until - (1) The sponsor has furnished three conformed copies of the contract to the Area Manager; and (2) The Area Manager agrees to the issuance of a notice to proceed with the work to the contractor. However, the Area Manager does not agree to the 687 VerDate Sep<11>2014 08:20 May 17, 2019 Jkt 247048 PO 00000 Frm 00697 Fmt 8010 Sfmt 8010 Y:\SGML\247048.XXX 247048