1、_ INDD C335.30 88 = 2595532 0077903 087 ANSI-C135.30 ADOPTION NOTICE ANSI-C135.30, “Ground Rods, Ferrous, Zinc-Coated for Overhead or Underground Line Construction,“ was adopted on October 3, 1994 for use by the Department of Defense (DoD). Proposed changes by DoD activities must be submitted to the
2、 DoD Adopting Activity: Commanding Officer, Naval Construction Battalion Center, Code 156, 1000 23rd Avenue, Port Hueneme, CA 93043-4301. DoD activities may obtain copies of this standard from the Standardization Document Order Desk, 700 Robbins Avenue, Building 4D, Philadelphia, PA 19111-5094. The
3、private sector and other Government agencies may purchase copies from the American National Standards Institute, 11 West 42nd Street, New York, NY 10036. Custodians : Army - ER Navy - YD-1 Air Force - 85 Adopting Activity Navy - YD-1 FSC 5965 DISTRIBUTION STATEMENT A. Approved for public release; di
4、stribution is unlimited. ANSI C335-30 88 W 0724350 0504b83 343 W ANSI C135.30-1988 r I for zinc-coated ferrous ground rods for overhead or underground line construction Approved July 28,1988 Secretariat: National Electrical Manufacturers Association 1 Scope and application 1.1 Scope This standard co
5、vers zinc-coated ferrous ground rods used in overhead or underground line construction, or both. 1.2 Application The ground rods covered by this standard shall conform in all respects to the basic dimensional and performance requirements hereinafter stated. The text, specifications or standards refe
6、rences, and associated figures supplement each other and all shall be con- sidered as parts of this standard. Page 1 of 4 pages revision, and parties to agreements based on this American National Standard are encour- aged to investigate the possibility of applying the most recent editions of the sta
7、ndards indi- cat ed be low. ANSI B18.21.1-1972, Lock washers) ANSI CI 35.1 -1 987, Galvanized steel bolts and nuts for overhead line construction ANSVASTM Al 53-82, Specifications for zinc coating (hot-dip) on iron and steel hardware) 3 Material All ground rods and couplings shall be made of one of
8、the following classes of materials: 2 Normative references The following standards contain provisions which, through reference in this text, constitute provisions of this American National Standard. At the timeof publication, the editions indicat- ed were valid. All standards are subject to Hot roll
9、ed steel which has been produced by the open-hearth, basic oxygen, or electric-fur- nace process, malleable type ferrous castings, or other ferrous materials. All of these materi- als shall be of grades and qualities suitable to meet the requirements of this standard. This standard has been administ
10、ratively withdrawn. Contact the Secretariat for more recent information. An American National Standard implies a consensus of those substantially concerned with its scope and provisions. An American National Standard is intended as a guide to aid the manufacturer, the consumer, and the general publi
11、c. The existence of an American National Standard does not in any respect preclude anyone, whether he has approved the standard or not, from manufac- turing, marketing, purchasing, or using products, processes, or procedures not conforming to the standard. American National Standards are subject to
12、periodic review and users are cautioned to obtain the latest editions. The American National Standards Institute does not develop standards and will in no circumstances give an interpretation of any American National Standard. Moreover, no person shall have the right or authority to issue an interpr
13、etation of an American National Standard in the name of the American National Standards Institute. CAUTION NOTICE: This American National Standard may be revised or withdrawn at any time. The procedures of the American National Standards Institute require that action be taken to reaffirm, revise, or
14、 withdraw this standard no later than five years from the date of approval. Purchasers of American National Standards may receive current information on all standards by calling or writing the American National Standards Institute. - Copyright CI 1992 by em American National Standards Institute, 11
15、West 42nd Street, New York, N.Y. 10036 ANS12C992/15 ANSI C135.30 88 = 0724350 0504682 088 Page 2 of 4 pages 4 Dimensions 4.1 All dimensions shall, before galvanizing, be in accordance with the text and figures. 4.2 Lock washers shall be the regular carbon- steel helical-spring type conforming to ANS
16、I 818.21.1 -19721, unless another type is speci- fied. 5 Threads Threads of ground rods and couplings shall be in accordance with ANSI C135.1-1987. 6 Strength and rigidity Ground rods and couplings shall be of sufficient strength and rigidity to resist bending, to pre- vent excessive mushrooming of
17、the top (which would prevent installation of the proper clamp), and to prevent distortion of the threads beyond the usable point, when installed by normal driv- ing methods under normal conditions. 7 Corrosion protection 7.1 All ground rods and accessories shall be zinc coated. The coating shall be
18、applied by: a) the hot-dip process in accordance with ANSIIASTM A-1 53-82). or I Nominal diameter (i nches) 518 518 51% 314 314 Nominal length (feet) 6 8 10 8 10 b) another method producing a zinc coating that meets the requirements of ANSUASTM A-1 53-82 for adhesion, purity, and thick- ness applica
19、ble to the class of material being coated. 7.2 Internal threads of couplings and nuts and holes in internally coupled rods need not be zinc-coated. 8 Sizes and types Diameters, lengths, and types of ground rods shall be in accordance with table 1. Tolerances on rod diameters: IT1/32 inch. Tolerance
20、on rod lengths: k3 inches. Styles of points of ground rods are shown in figure 1. Examples of types of ground rods are shown in figure 2. 9 Finish Ground rods shall be free of seams, slivers, and other injurious defects. All surfaces except points shall be reasonably smooth and free of sharp edges o
21、r projections. 10 Marking of shipments Each shipment shall be marked with the manu- facturers name and catalog number. Table 1 - Ground rods Drive head Ferrous clamps attached Plain Sectional internally Sectional exter na1 I y a , 1 a a ANSI CI 35.30-1 988 ANSI CL35.30 BB 0724350 0504b83 T34 Page 3
22、of 4 pages I Nominal Style-1 Style-2 Style-3 Chisel or Pyramid, Cone slash diamond or point point pinch point Figure 1 -Ground rods - Points for ground rods Style-4 Projectile point ANSI C135.30-1988 ANSI C335.30 BB W 0724350 0504b84 950 W Page 4 of 4 pages I TYPE DRAWING ONLY I I SECTION A-A I TYPI
23、CAL CLAMP BOLT TYPICAL DRIVE HEADS OTHER TYPE CLAMPING DEVICES OPTIONAL +.o05 n 0 -IL +.o05 .3125.000DIA. INTERME DIATE IL +.o00 .312 -*Oo5 DIA. DIA. SPLINED COUPLING PIN, OTHER TYPES OPTIONAL Sectional in tern al I y co up1 ed Allowable variations a=1/6 c= 1/16 e=3/16 b=1/32 d=1/8 x=O INTERMED IATE
24、 UA TERMINAL NOTE: REQUIRES USE OF +E+ - DRIVING CAP STUD OR - BOTH ENDS Sectional externally coupled A single-letter superscript indicates that the plus and minus value are the same: for example, 2C=2f1/16 A double-letter superscript indicates that the plus value is that of the first letter and the minus value is that of the second letter: for example, ldb= 1 i- 118- 1/32 Figure 2 - Ground rods -Type drawing only (All dimensions in inches) ANSI C135.30-1988
