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Disclosure to Promote the Right To Information
Whereas the Parliament of India has set out to provide a practical regime of right to information for citizens to secure access to information under the control of public authorities, in order to promote transparency and accountability in the working of every public authority, and whereas the attached publication of the Bureau of Indian Standards is of particular interest to the public, particularly disadvantaged communities and those engaged in the pursuit of education and knowledge, the attached public safety standard is made available to promote the timely dissemination of this information in an accurate manner to the public.
इंटरनेट मानक
“!ान $ एक न' भारत का +नम-ण”Satyanarayan Gangaram Pitroda
“Invent a New India Using Knowledge”
“प0रा1 को छोड न' 5 तरफ”Jawaharlal Nehru
“Step Out From the Old to the New”
“जान1 का अ+धकार, जी1 का अ+धकार”Mazdoor Kisan Shakti Sangathan
“The Right to Information, The Right to Live”
“!ान एक ऐसा खजाना > जो कभी च0राया नहB जा सकता है”Bhartṛhari—Nītiśatakam
“Knowledge is such a treasure which cannot be stolen”
“Invent a New India Using Knowledge”
है”ह”ह
IS 3270 (1966): Specification for Stock and Single FlukeStock Anchors [TED 17: Shipbuilding]
IS:3270-1966
Indian Standard
SPECIFICATION FOR STOCK AND SINGLE FLUKE STOCK
ANCHORS ( FOR HARBOUR USE)
( Second Reprint MAY 1997 )
UDC 629.12.015.64
BUREAIJ OF INDIAN STANDARDS MANAK BHAVAN, 9 BAHADUR SHAH ZAFAR MARC
NEW DELHI 110002’
Gr 3 Ajh-il 1967
IS:3270-1966
Indian Standard
SPECIFICATION FOR STOCK AND SINGLE FLUKE STOCK
ANCHORS ( FOR HARBOUR USE) Marine Engineering and Shipbuilding Sectional
Committee, EDC 56
Chairman Re@wnting REAE-ADN T. B. BOSE In personal capacity ( 17, Tz’voli Court, IA, Ballygungr,
Circular Road, Calcutta ) Memberx
CAPT P. ALEXANDER The Company Bombay
of Master Mariners of India,
CAPT P. S. VAIUXZISWAE (Alternate ) SEEI F. V. BADAMI
SHRI K. BAXVE~JEE .%a~ V. G. DAMLE
SH~I S. J. VOKES ( Alternate) SH~I A. V. DANDEIIALB SHRI P. R. DAVE DIRECTOR OB MARINE EN~I-
NEEnINO DIRECTOR OB NAVAL CONS-
TRUCTION ( Alternate ) SHBI B. K. GUPTA
AFCO Ltd, Bombay
Hindustan Shipyard Ltd, Visakhapatnam Alcock Ashdown & Co Ltd, Bombay Indian Navy
Directorate General of Shipping ( Ministry of
) Transport & Aviation ), Bombay
SERI A. KRISENAN ( Alternate CAPT GURSA~AN SINGE Directorate General of Shipping ( Ministry of
CAPT M. S. PATEL (Alternate ) Transport & Aviation ), Bombay
SHRI B. HILL SERI R. MCINTOSH (Alternate)
Lloyd’s Register of Shipping, Calcutta
Saar S. K. JOSHI Kirloskar Oil Engines Ltd, Poona SHRI N. D. GUPTA ( Alternate )
SERI S. KASTEUFX Institution of Marine Technologists, Bombay SBRI K. N. G. MENON ( Alternate )
SHRI KIEPAL SINGE The Indian National Steamship Owners’ Association_
CAPT R. D. KOHLI Bombay
SHRI B. D. WADIA ( Alternate ) The Shipping Corporation of India Ltd, Bombay
SERIS. Y. KOTWAL . Siemens Engineering and Manufacturing Co of India
SHRI J. L. A~ARWAL (Alternate) Ltd, Bombay
COL D. A. MEHTA SHRI T. A. SHAIKH ( Alternate )
Scindia Workshop Ltd, Bombay
SHRI S~AREEF MOLOOBHOY Ahmed S. Moloobhoy & Sons, Bombay ( Continued on page 2 )
BUREAU OF INDIAN STANDARDS MANAK BHAVAN, 9 BAHADUR SHAH ZAFAR MARG
NEW DELHI 110002
iS:3270-1966
( Continurdfrom page 1 ) Members Representing
Srxar K. PARTEASARATHY Directorate General of Shipping ( Ministry of Transport & Aviation ), Bombay
Soar J. G. PATELL Garden Reach Workshops Ltd, Calcutta SERI EDWARD RAJABATNAM ( Alternate )
SHRI S. K. PAUL The Commissioners for the Port of Calcutta SHIU A. SINGE (Allem& )
Da T. S. RAQEURAX Mazagon Dock Ltd, Bombay SE&I S. B. DESA~ ( Alternate )
SHRI T. M. SAN~HAVI The Institute of Marine Engineers, Bombay SHEI T. K. T. SRISAILAM ( Alkrnah 1
SHEI D. S. SWETH SHRI B. S. SOOD
SHRI G. M. RANA ( Aftcrnntc ) SHRI J. M. TRINDADE SHaI M. VELU SHEI S. J. VOKES SERI M. V. PATANKAB,
Director ( Me& Engg )
Hindustan Shipyard Ltd, Visakhapatnam Bombay Port Trust, Bombay
Rivers Steam Navigation Co Ltd, Calcutta Central Institute of Fisheries Technology, Ernakulam Indian Engineering Association, Calcutta Director General, IS1 (Ex-&io Member)
SHBI K. S. SUBRAXANIAM
Officer on Special Duty ( Mech Engg), IS1
Hull Installation Subcommittee, EDC 56 : 3 Convener
SRRIM.G.~UTTY
Mem bus Sasr F. V. BADAMI
DIEECTOE OF NAVAL CONSTRUC- TION
SHBI B. HILL SH~I R. MCINTOSH ( Alfemate)
CAPT R. D. KOHLI SHRI B. D. WADIA ( _4Itcrn& )
CAPT M. P, G. MENON PROF S. C. MITRA Saar K. PA~TEASA~ATHY
SHRI J. G. PATELL Da T. S. RA~HURAM
Hindustan Shipyard Ltd, Visakhapatnam
Directorate General of Technical Development ( Ministry of lndustry & Supply )
Indian Navy
Lloyd’s Register of Shipping, Calcutta
The Shipping Corporation of India Ltd, Bombay
The Company of Master Mariners of India, Bombay Indian Institute of Technology, Kharagpur Directorate General of Shtpping ( Ministry of
Transport & Aviation ), Bombay Institution of Marine Technologists, Bombay Mazagon Dock Ltd, Bombay
SHEI H. C. SETHNA ( Allamete 1 SHBI R. L. ROYCHAUDWBY Central Institute of Fisheries Technology, Ernakulam
Panel for Anchors, Anchor Chains and Anchoring Equipment, EDC 56 : 3 : 1
C0IZVCYl.W
SH~I M. G. KUTTY Hindustan Shipyard Ltd, Visakhapatnam Members
SEXI S. C. BISWAE Mukand Iron & Steel Works Ltd, Bombay Da S. K.&ATTERJI ( Al¬e )
SHRI B. HILL Lloyd’s Register of Shipping, Calcutta PBOX S. C. MIT~A I.-&an Institute of Technology, Kharagpur
PROF P. K. PAL (Alternate) SHBI K. PABTI~A~ABATEY Directorate General of Shipping ( Ministry of
Transport & Aviation), Bombay
2
IS:3270-1966
Indian Standard
SPECIFICATION FOR STOCK AND SINGLE FLUKE STOCK
ANCHORS (FOR HARBOUR USE)
0. FOREWORD
0.1 This Indian Standard was adopted by the Indian Standards Institution on 27 December 1966, after the draft finalized by the Marine Engineering and Shipbuilding Sectional Committee had been approved by the Mechani- cal Engineering Division Council.
0.2 An anchor is designated by its nominal weight, The dimensions of the anchor and,its component parts depend upon the nominal weight and the design features of the anchor. The dimensions of the stock and single fluke stock anchors are same except that nominal weight of the single fluke type is 80 percent of the double fluke type.
0.3 This standard is one of a series of Indian Standards on anchors. Other standards in this series are:
IS : 3267 - 1966 General requirements for anchors IS : 3268 - 1965 Specification for stockless anchors ( for ships’ use ) IS : 3269-l 966 Specification for stock anchors ( for ships’ use )
0.4 In the preparation of this standard, assistance has been derived from the following:
JIS F 3361-1957 Anchors. Japanese Industrial Standards Committee PNW 83051- 1961 Admiralty anchor. Polish Standards Committee Rules and regulations for the construction and classification of steel
ships. Lloyd’s Register of Shipping, 1966
1. SCOPE
1.1 This standard specifies the dimensions and material for stock and single fluke,stock anchors ( for harbour use 1.
.2. TERMINOLOGY
2.1 For the purpose of this standard, the definitions given in IS : 3267-1966* shall apply.
*General requirements for anchors.
3
IS : 3270 - 1966
3. DIMENSIONS AND WEIGHT
3.1 Weight and dimensions for stock and single fluke stock anchors ( for harbour use ) and their various components shall be as given in Tables 1 and 2. All the dimensions are based on the basic dimension A = S = 22.7 +Yi-c, where G is nominal weight of stock anchor.
3.1.1 The weight and dimensions for stock anchors, single fluke stock anchors and anchor shackles shall be as given in Table 1 (see P 7 ) read with Fig. 1 and 2.
\ ANCHOR SHACKLE
SHANK
Al ENLARGED VIEW
FLUKE OR PALM
FIG. 1 DIMENSIONS FOR STOCK ANCBORS ( FOR HARBOUR USE )
3.1.2 The weight and dimensions for stock together with its locking arrangement shall be as given in Table 2 ( see P 7 ) read with Fig. 3.
4
ANCHOR SHACKLE
*2 A20
-i h27
LIFTING SHACKLE _
FIG. 2
ANCHOR A20
-A
r SHANK
ENLARGED VIEW AT X
DIMENSIONS FOR SINGLE FLUKE STOCK ANCHORS AND ANCHORSHACKLES(FORHARBOUR
IS:3270- 1366
DETAIL AT X
54
--
@
WASHER
HOI SPL
J_ PI
s7 Q
T
S
.E FOR
.I1 PIN
a %
‘17
COTTER
FIG. 3 DIMENSIONS FOR STOCK WITH LOCKING ARRANGEMENT
3.2 The dimensions of various parts of stock and single fluke stock anchor or ar
Clu: b our use ) shall not vary by more than 4 percent from the specific d
. The variation of any dimension from the specified value shall not exceed 20 mm.
3.3 Machining tolerances shall conform to coarse series of IS : 2 102- 1962*.
3.4 The weight of different components shall not vary by more than 5 per- cent from the specified value of the weight of these components, provided the total weight of anchor is not less than the nominal weight given in Tables 1 and 2.
4. MATERIAL FOR CONSTRUCTION
4.1 The material for the construction of stock anchors, single fluke stock anchors and their various components shall be as specified in IS : 3267-1966t.
*Recommendations for mwhining deviations for dimensions without specified tolerances,
tGenera1 requirements for anchors.
6
Is:3no-1966
TABLE 1 WEIGHT AND DIMBNSIONS FOR STOCK ANCHORS. SMGLF. FLUKE STOCK ANCHORS AND ANCHOR SHACKLES (FOR KARBOUR USE)
(U~u3.1,3.1.1~3.4,~Fi~.Ik?)
All dimcnsioru in millimctrcs.
wrmlrr 0, BALI= A, A. A. A. A, A, A, A. A, AU A,1 Al. Al. A,. Au A,, A,. A,. A,. A” A,, A*. AU A,, Au .I, .4,, At. An sawrr, HXAD
-AND sa*cxlE IN A p 22.7.yF
kx
,z E 400 300 :z 2 2 057 595 I373 ,732 76 95 lo8 136 204 162 59 122 154 216 272 913 724 935 742 135 170 56o 706 495 624 22 385 IZ g 1984 lo9 I56 234 :z 177 312 1045 IO71 195 ao9 715 :: z&z I 500 I200
:g 2 972
2ooo 1600 l6uo I 200 3 269 3lmo 2100 2400 1800 327 3 738
2 Ill2 120 172 241 93 194 343 I I50 I I78 215 a89 787 z: 612 2 495 137 I96 294 I08 222 392 I315 I 347 245 1017 a99 7oa
:g 4oiJa 3200 4ooo 32M) 2403 3ooo 388 360 4115 4 435 2g60 2 747 151 233 216 349 324 128 II9 245 264 432 466 1447 I560 1483 I 599 270 291 1 1207 120 1067 990 43 47 770 a30
3144 fZ 136 280 494 1656 I697 309 1281 1133 49 882 6MM :zz :zJ :z 412 4709
:tz 6400 64Oo 4800 434 454 4961 5189 3311 3464 la2 191 143 150 295 309 521 545 I I 745 a25 I I 789 a70 326 341 I I412 350 I I249 194 52 54 972 929
~ors -nor other nominal weights, with the +cn propwtionr. required dimensions mry be calculated.
407 513 38 61 40 43 :: :;
I? 5”: ;:
lo6 I34 50 64 63 79 243 193 II 27 127 154 73
I:: 278 ;‘6 :;
104 83 153 193 120 221
I69 80 306 132 243 % 60 I:: 739 69
I,” ;: 7; 193 92 I14 350
I7 :; 20 154 278
aI a77 k$ 122 132 176
::
:‘5 :t 212 229 101
::
126 I36 385 415 z’3 54 166 I78 330 306
931 a7 140 91 99 243 144 441 25 2; :E 350
1026 981 :: 148 I54 213 222 I% I04 109 256 268 122 127 152 159 464 486 ;; 65 68 209 369 386
TABLE 2 WKIGHT AND DIMENSIONS FOR STOCK OF STOCK ANCHORS AND SINGLE FLUKE STOCK ANCHORS (FOR HAKBOUR USE)
(Qnurrr3.1,3.1.2&3.4,tndFig.3.
All dimension. in millinxtra.
Anchor Fhikc G Swck c; G; "
Anchor SI z 0
G, i & 6
5M) 1200 2
loo la0 a82 1031 :iz % 227
zz 327
I 1274 112 1301 1490 208 Ii-i
ZE :iz 4oo 600 I401 1602 1639 I a74 229 262
s u, z x 0 5
1:: I26 1% 41 16 110 99 7 121 II 158 38 61 159 52 it 138 I25 9 152 14
127 la2 I17 60 159 143
I:
174 17 ;: E ii 140
200 129 66 26 174 157 192 :; 252 60 97
I6o 229 I47 75 29 199 la0 I3 219 288 69 III 4m 3200 808 360 1764 2 063 288 I76 I4o 68 252 162 83 32 220 241 317 76 122 29
Ei 4800 4cQo 1200 I 000 388 412 2 I901 019 2361 2223 330 310 202 190 151 161 :: 272 288 175 I85 89 95 z: 237 251
E 1'6 ;'3
81 132 227 I6 E 25 341 363 ::
i% 56M) 6400 1400 1600 434 454 2127 2225 24al 2601 347 363 213 222 I69 I77 82 86 2M I95 loo 104 39 41 265 277 I8 I7 291 304 ;: 95 154 I: ;z
Norr - For otbcr nominal weigh-, with the given pmportionr, required dimcmioas may bc c&&red.
As in the Original Standard, this Page is Intentionally Left Blank
lSt3270-1966
4.2 The material for washer, cotter and lifting shackle shall be Grade 2 forged steel conforming to IS : 326 I- 1966. or &st steel conforming to IS : 2985- 1964t.
4.3 The chain and split pin shall be of mild steel and of suitable size in proportion to that of washer and cotter.
5. TESTS
5.1 Stock anchors and single fluke stock anchors shall be tested according to the tests given in IS : 3267-1966$.
l Spccificatkm far carbon steel forgings for rhipbuildiig industry.
jSpeci6cation for steel castings for ship’s strw$ure.
$Gamal rcquircmalts for 8nchors.
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