; (D) to improve the management of coastal change in the Arctic; and (E) to reduce risks of harm to Alaska Native subsistence and coastal communities associated with increased international maritime traffic; and (2) $2,000,000 is authorized for use to acquire hydrographic data and provide hydrographic services in the Arctic necessary to delineate the United States extended Continental Shelf. . (b) Limitation on administrative expenses for surveys Section 306 of such Act ( 33 U.S.C. 892d ) is further amended by adding at the end the following: (c) Limitation on administrative expenses for surveys Of amounts authorized by this section for each fiscal year for contract hydrographic surveys, not more than 5 percent is authorized for administrative costs associated with contract management. . 502. Waivers of bond requirements for certain contracts Section 3134 of title 40, United States Code, is amended by adding at the end the following: (c) National Oceanic and Atmospheric Administration The Secretary of Commerce may waive this subchapter with respect to contracts for the construction, alteration, or repair of vessels, regardless of the terms of the contracts as to payment or title, when the contract is made under the Act entitled An Act to define the functions and duties of the Coast and Geodetic Survey, and for other purposes , approved August 6, 1947 ( 33 U.S.C. 883a et seq.). .