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s Part 4500—Power, Water, Das, and Cen­tral Steam Heat [Supplementary Utilities Order U-l-f, as Amended Jan. 22, 1944] § 4500.7 Supplementary Utilities Or­der U-l-f—(a) Definitions. For the purposes of this supplementary order: (1) “Domestic consumer” means a prospective consumer who is requesting an extension of service to a building used exclusively for dwelling purposes. (2) “Industrial consumer” means a prospective consumer who is requesting an extension of service to a building used in whole or in part for the manufac­ture, processing or assembly of products or materials. (3) “Commercial consumer” means a prospective consumer not classified in this order as “domestic” or “industrial.” (b) Permission to build certain exten­sions. In accordance with the provisions of paragraph (i) of Utilities Order P-1, * 1 2 3 extensions of electric, water, gas, and central steam heating facilities may be made or connected by producers when all of the following conditions are satis­fied: (1) Where construction or remodeling by the consumer is involved, no specific direction, order, certificate or other au? thorization for construction has'been is­sued by the War Production Board to authorize such construction or remodel­ing. If such authorization has been is­sued, the construction of utility facili­ties is governed by Supplementary Utili­ties Orders U-l-d or U-l-h. (2) In the case of gas or electric facili­ties primarily to serve cooking appliances, (i) the dwelling proposed for connection Is not equipped with a range of any kind, and (ii) complete facilities to a cooking range location are not installed for serv­ing either a gas range or an electric range, except that extensions to serve a gas or electric range which the consumer has used in a dwelling which he previously oc­cupied may be made even though facili­ties for serving another type of range are already installed. (3) In the case of facilities to serve in­dustrial or commercial consumers, the consumer (i) is engaged in the manufac­ture of a product' or in the conduct of a JAN. 22, 1944 [As Amended] Corrected Copy U -l-f WAS PRODUCTION BOARD (Corrected Copy) business or activity listed in Schedules I or II of CMP Regulation 5, as amended; or (ii) is an electric, water, gas, steam heat, telephone or telegraph utility; or (iii) is engaged in the petroleum indus­try, except in retail marketing, asi those terms are defined in Preference Rating Order P-98-b; or (iv) is engaged in the business of mining, or of burning refrac­tories, and has been assigned a serial number under Preference Rating Order P-56; or (v) is engaged in the business of radio communication or radio broad­casting; or (vi) is a school, church, or hospital. (4) Extensions, including any part built by or for the consumer, can be built within the limits of the Utilities Con­struction Standards, shown in Schedule I of this order, including any part built by or for the consumer. (5) The total cost of material for each extension, exclusive of any part built by or for the consumer, does not exceed $1500. No job or project may be sub­divided to come within these limits. (6) No other producer can render the same service with lesser amounts of criti­cal material. (7) The extension does not duplicate an adequate service already installed or constitute a stand-by service. (c) Other orders. This order does not constitute a release, in the case of gas producers or consumers, from the restric­tions of Utilities Order U-7 or Limitation Order L-174. ?Issued this 22d day of January 1944. War Production Board, By J. Joseph Whelan, Recording Secretary. Schedule I—Utilities Construction Standards The material used in extensions permitted by Supplementary Utilities Order U-l-f must conform to the limitations set out in this Schedule I and must not exceed, in dollar value, the limits of paragraph (b) (5). A. PERMITTED TYPES OP CONDUCTOR AND PIPE I. Domestic extensions, a. Electric conduc­tor for primary, secondary, and service drop: (1) Any type or size of conductor having conductivity equal to or less than that of No. 6 AWG copper, or (2) Any type or size of conductor which can be obtained froip the excess inventory of any producer. (b) Pipe: (1) For mains over 4" in diameter.(l) cast iron or non-metalllc pipe or (ii) steel pipe In cases where instaUation conditions, high working pressures, or danger of breakage or leakage make the use of a substitute material Impracticable or dangerous. (2) For mains 4” in diameter and smallei and all service connections, any type of pipe n. Commercial and industrial extensions. No limitation, except as shown below in B. XL B. PERMITTED QUANTITIES OF CONDUCTOR AND METALLIC PIPE <t I. Domestic extensions. a. For electric service, not more than 1,000 conductor feet, Including primary, secondary, and service drop. b. For gas or central steam heating service, not more than (1) 400 pounds of steel pipe or 1800 pounds of cast iron pipe, or (2) a combination Involving not more than 400 pounds of steel pipe and not more than 1800 pounds of cast iron pipe, this quantity of cast iron pipe to be diminished by twice the weight of steel pipe used. , c. For water extensions, not more than (1) 400 pounds of steel pipe or 1800 pounds of cast iron pipe or 1,000 pounds of lead or lead alloy pipe, or (2) one of the following com­binations: (1) 400 pounds of steel pipe and not more than 1800 pounds of cast iron pipe, this quantity of cast iron pipe to be diminished by twice the weight of steel pipe used. In addition, a lead goose-neck is permitted. (2) 1,000 pounds of lead or lead alloy pipe and not more than 1800 pounds of cast iron pipe, this quantity of cast iron pipe to be diminished by the weight of-any lead or lead alloy pipe used. (3) 400 pounds of steel pipe and not more than 1,000 pounds of lead or lead alloy pipe, this quantity of lead or lead alloy pipe to be diminished by twice the weight of steel pipe used. I V n. Commercial and industrial extensions. The smallest sizes and quantities of equip­ment, conductor and pipe required to furnish f service at mlnirhum standards. C. PERMITTED QUANTITIES OP NON-METALLIC PIPE Non-metalllc pipe of a length not greater than that length which would be installed if cast iron pipe were used as permitted lh B above. ? GPO— War Board 9482— p. 1