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C.F.R - Table of Contents

  • Title 1 - General Provisions
  • Title 2 - Grants and Agreements
  • Title 3 - The President
  • Title 4 - Accounts
  • Title 5 - Administrative Personnel
  • Title 6 - Domestic Security
  • Title 7 - Agriculture
  • Title 8 - Aliens and Nationality
  • Title 9 - Animals and Animal Products
  • Title 10 - Energy
  • Title 11 - Federal Elections
  • Title 12 - Banks and Banking
  • Title 13 - Business Credit and Assistance
  • Title 14 - Aeronautics and Space
  • Title 15 - Commerce and Foreign Trade
  • Title 16 - Commercial Practices
  • Title 17 - Commodity and Securities Exchanges
  • Title 18 - Conservation of Power and Water Resources
  • Title 19 - Customs Duties
  • Title 20 - Employees' Benefits
  • Title 21 - Food and Drugs
  • Title 22 - Foreign Relations
  • Title 23 - Highways
  • Title 24 - Housing and Urban Development
  • Title 25 - Indians
  • Title 26 - Internal Revenue
  • Title 27 - Alcohol, Tobacco Products and Firearms
  • Title 28 - Judicial Administration
  • Title 29 - Labor
  • Title 30 - Mineral Resources
  • Title 31 - Money and Finance: Treasury
  • Title 32 - National Defense
  • Title 33 - Navigation and Navigable Waters
  • Title 34 - Education
  • Title 35 - Panama Canal
  • Title 36 - Parks, Forests, and Public Property
  • Title 37 - Patents, Trademarks, and Copyrights
  • Title 38 - Pensions, Bonuses, and Veterans' Relief
  • Title 39 - Postal Service
  • Title 40 - Protection of Environment
  • Title 41 - Public Contracts and Property Management
  • Title 42 - Public Health
  • Title 43 - Public Lands: Interior
  • Title 44 - Emergency Management and Assistance
  • Title 45 - Public Welfare
  • Title 46 - Shipping
  • Title 47 - Telecommunication
  • Title 48 - Federal Acquisition Regulations System
  • Title 49 - Transportation
  • Title 50 - Wildlife and Fisheries

CFR > Title 49 - Transportation > SUBTITLE B—Other Regulations Relating to Transportation > CHAPTER I—PIPELINE AND HAZARDOUS MATERIALS SAFETY ADMINISTRATION, DEPARTMENT OF TRANSPORTATION (Parts 105–199) > SUBCHAPTER D—PIPELINE SAFETY (Parts 186–199) > PART 193—LIQUEFIED NATURAL GAS FACILITIES: FEDERAL SAFETY STANDARDS > SUBPART C—Design (§193.2101 to §193.2189-193.2233) > 193.2173—Water removal.

193.2173—Water removal.

(a) Impoundment areas must be constructed such that all areas drain completely to prevent water collection. Drainage pumps and piping must be provided to remove water from collecting in the impoundment area. Alternative means of draining may be acceptable subject to the Administrator's approval.
(b) The water removal system must have adequate capacity to remove water at a rate equal to 25% of the maximum predictable collection rate from a storm of 10-year frequency and 1-hour duration, and other natural causes. For rainfall amounts, operators must use the “Rainfall Frequency Atlas of the United States” published by the National Weather Service of the U.S. Department of Commerce.
(c) Sump pumps for water removal must—
(1) Be operated as necessary to keep the impounding space as dry as practical; and
(2) If sump pumps are designed for automatic operation, have redundant automatic shutdown controls to prevent operation when LNG is present.
[45 FR 9203, Feb. 11, 1980, as amended by Amdt. 193-17, 65 FR 10959, Mar. 1, 2000]




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