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 14270-1 (1995): Shipbuuilding - Pyrotechnic distresssignals for ships, Part 1 General requirements [TED 19:Marine Engineering and Safety Aids]

:. a;. . . . . IS-14270 ( Part 1 ) : 1995

Indian Standard . .._ .-- __ .: : : :

SHIPBUILDING ~R~TE~HNICDISTRESS SIGNALS FOR SHIPS PART 1 GENERAL REQUIREMENTS

UDC 662.12 : 629.12 I

o BlS 1995

BUREAU OF INDIAN STANDARDS MANAK BHAVAN. 9 BAHADUR SHAH ZAFAR MARG

NEW DELHI 110002

March 1995 Price Group 3

Marine Instruments and Safety Aids Sectional Committee,,TE 20

I his standard was adopted by the Bureau of’lndian Standards, after the draft finalized by the Marine Instruments and Safety Aids Sectional Committee had been approved by the Transport Engineering Division Council.

Pyrotechnic distress sibnals form tiaris of the lifeboats and liferafts equipment in accordance with Life Saving Appliances Rules, 1986 under the Merchant Shipping Act, 1958.

The Indian Standards covering the whole range of pyrotechnic distress signals is being published in the following parts:

Red flare parachute signal

Red star rocket signal

White flare signal

White flare parachute signal

Explosive qhell signal

Explosive rocket signal

Orange smoke signal

Red flare signal

Part 2

Part 3

Part 4

Part 5

Part 6

Part 7

Part X

Part 9

While formulating these standards, assistance has been derived from GB 3107.1-3107.9-1982 ‘Standards of Pyrotechnic Signals for Ships’ issued by China State Bureau of Standards. The provisions of IM() Resolution A.521 (13) have also been covered in the standards.

The committee responsible for the preparation of this standard is given in Annex A.

In reporting the results of a test or analysis made in accordance with r?;is standard, if the final value, observed or calculated, is to be rounded off, it shall be done in acco$dance with IS 2 : 1960 ‘Rules for rounding off numerical values ( reviseti~‘.

n

IS 14270 ( Part 1) : lYY5

Indian Standard

SHIPBUILDING - PYROTECHNIC DISTRESS SIGNALS FOR SHIPS PART 1 GENEilAL REQUIREMENTS

1 SCOPE

This Indian Standard specifies getteral requiretnettts for pyrotechnic sigttals used for ships, life boats attd life rafts at the time of distress. Its functiott cottform to the signal equipment standard for the seagoittg vessels, SOLAS Convention (1974) and Etttertaitt- ment regulatiotts for Preventing Collisiott at sea (1972).

2 TERMINOLOGY

For the purpose of this stattdard the followittg definitions shall apply.

2.1 Pyrotechnic Signal

Pyrotechnic sigttal is the general term for the distitt- guished or cotttact signals considering the chetttical and physical phettotttettott of souttd, flattte or stttoke produced while igniting the chetnical tnixutre like gutt powder.

2.2 Explosive ‘Iype

Explosive type is the reaction tnethod in which souttd attd smoke are given out by igttitittg chetttical mixture.

2.3 Flame Type

Flame type is the reaction tnethod which has the flattte burning and light attd flame are given out when the chetnic.al mixture is ignited.

2.4 Smoke ‘Qpe

Stnoke type is the reactiott tnethod which has tto tlattte but stnoke is given out on ignitittg the chetnical mixture.

2.5 Colour Qpe

Colour type is the reactiott method in which colour is etnitted ott the surface of the water whett chetttical mixture comes ittto contact with water.

3 PYROTECHNIC TYPES AND BASIC: PARAMETERS

3.1 Types attd basic paratneters of the pyrotechttic sigttals for ships shall confortn to the stipulatiotts givett in Table 1.

3.2 The tnaterials of the sound tnodel pyrotechttic sigttals shall be of tton-metallic which do ttot iujure people.

1

4 GENERAL REQI TIKEMENTS

4.1 Ignition Devices

4.1.1 The igttitiott devices of the pyrotecltttir signal products shall be safe attd dependable, easy to operate attd shall be set off by pulling or by striking. It shall be indelibly marked with clear attd precise operating instructions.

4.13 A parachute Uare and hand Uare shall ltave integral ttteatts of ignition.

4.1.3 Igttitiott devices shall be packed with the sigttal shell, attd rouvenieutly placed in a ready to ignite condition.

4.1.4 Action time of the iguitiott devices shall not exceed 4 s attd shall uot he Icss tltatt 2 s.

4.2 Appearance and Composition of Products

4.2.1 Appearattcc of tltc product shall be such that tltc igttitittg and the firing ettd of the pyrotechnic sigttals shall be able to be distinguished durittg day aud uigltl.

4.2.2 Uttder the unfavourable cottditiotts aud by wet or cold ltattds uot wearittg gloves, it shall be possible lo fire. the pyrotechnic sigttal attd sits applied force shall not bc tttore tltau 7 kg.

4.2.3 After ittttttersiott for 24 hours under water al a depth of 1 ttt, the perfortttauce of the pyrolecltuic signal sltall ttot be affected. It shall futtctiott effectively after beittg ittttttcrsed in the ready to use couditiott for 5 mittutes uttder 10 cttt of water. It shall also fttttctioti effectively wheu subjected to a salt spray (20 percent ttatriutit chloride solution) at a tetttperaturr of +3S°C 5 3°C for al least 100 It.

4.3 The various pyrotechnic sigttals shall be able to be used ttortttally withiu a tetttperature range of -30 to + 65°C.

4.4 The various pyrotechttic sigttals shall be put to durability vibratiott tests as per the stipulations of Table 2aud it shall not get igttited or exploded during test.

4.5 The various pyrolechttic sigttals shall ttot igttitc or explode when dropped freely frottt a height of 3 ttt on a steel plate surface.

4.6 The various pyrotecltttir siguals: iu order to satisfy the detttattds of utility, shall separately cottforut (0 Ihd specificaliott rcquirctttcuts of individual producti covered itt separate lttdiatt Stattdards.

4.7 Validity period of tltc various pyrolcchrtic sigttals accordittg to the storage rottditiotts stipulated in tltis standard shall not he less than 3 years starling frotlt its tttattufacturittg dale.

IS 14270 ( Part 1) : 1995

Table 1 Types and Basic Paranwters of Pyrotechnic Signals

(Clortsr 3.1)

2. E?xplosive shell Sound Throw Throw into the open air on the side of the ship, signal chemical reaction gives out explosion sounds which shall be heard at a distance nut less Ihan 2 nautical miles

3. Red tlare parachute Flame Rocket ‘l’hc rocket is fired 3(K) m into the air, signal for ships parachute hangs red flare which shill1 last for

not less than 40 seconds, tl;lrc strength being not less than 30 000 c;~ndel:~ and rate elf de&c-ent not more than 5 m/r,

4. White flare parachute Kocket Kuckct is fired 300 m inlo the air, par;lchute signals for ships hangs white tlarc which shall last for not less

than 40 sru~nds, tlare strength being not lchh than 30 O(K) candela acid rate of descent nor more than 5 m/s

5. Red star r:bcke( signal for ships Flame Rocket Rocket is fired 300 m in!o the air, which gives out red llare for not less than X scccmd, Ilarc strength being not less lhan X0 000 tXll&lil

6. Red lldc signal fnr ships Flame Ilandlc Signal chemical ~:lickcontinu~~usly gives red nare for I:ut less thdn 60 seconds, Ilarc strength being IIOI Icss than I5 O(K) candela

7. White flare signal for ships Flame llandle Signal chemical stick c~~ntinu~~tisly gives white tlare for noL less lhan 60 seconds, with tlare strenglh being not ICSS than 15 O(K) candeiii

x. Orange smoke signal for ships Smoke Float l%Ming 011 tilt! SUrlilCe of water, Signill hy chcmcial reacticm with sea water gives cm1

(>r;inge smoke for WI less than 3 minutes which shall Ix seen from a distance of not less tllilll 2 nautical milts

SI 5Pe Fotm launching Basic Paremelers NO. Method

(‘1 (2) (3) (4) (5)

1. Explosive rocket Sound Rocket Rocket is tired 300 m into the air, signal chcmcial reaction gives nut explosive sound, which shill1 IX heard ;It a distance not less than 5 nautical miles

0. Self activating smoke signal Smoke Float for life htioys

Floating on the SlJrhce of wiltcr, si,gniil by chemcial reaction with sea water gnu oul

orange smoke for not less than 15 minutes which shall Iw seen fro171 il distance of nol less Illiltl 2 nautical miles

Table 2 Vibration Tests

(Clauses 4.4 and 5.2.2)

St No. Frequency HZ

I. IO

2. 20

3. 30

5 TESTIN(;

Amplitude ol’ Dumtion Vihretion Minu&

*I .oO 30

*0.30 30

d.15 30

5.1 Visual Test

Visual lest shall hc carried oul according lo the slipula- lions of this slandard, as regards Ihc ~~~nponcnls, tcsl

saluplcs and packing. Its external appcaraucc is to bc observed, its size is to he rheckcd with the con~nou or

special niesuring tool, its quality is to be measured with weighting apparatus and from the burning test, the theoretical aud chcmcial pcrl’orn~ancc like the llarc strength, colour and tinlc arc to bc mcasurcd. Further its marking has 10 bc varil‘ird and packing of lhc l’inishcd product and the shipment packing also lo bc chcckcd.

5.2 Vibration Test

5.2.1 Usr lest sanlplc firtn cuough w1iic.h ilIT lo Ix> I’ixcd on lhc vibralion lcsl cquipnicnt and while fixing lhc WI saq~lrs, ils firing dirccdion shall 1~ sanlc ah 1ha( ol’lhc Vibrilliou anipliludr.

2

IS 14270 ( Part 1 ) : 1995

5.2.2 Accord& to the stipulations of Table 2, the 5.7.2 Rclcasiug trst shall IIIC~SLITC the utility perfor- vibratiou is couthrued for 30 miuutrs 011 every itiauct’ paraulctcr stipulalcd by the product standard. frequeucy point. Its frequency may vary ~1% aud amplitude may vary *15%. 5.X Chef-ill 1’crforn~itnc~ Test

5.2.3 The test samples after the vibration test, shall undergo inspection of the exterual apyearauce and cou- uectiug items and also the release test is to he carried out.

5.3 Dropping Test

5.3.1 Each test sample. is freely dropped ou a steel plate (approximately 6 nm thick cenlcuted to a concrete floor) surface once from a height of2 111, with its firing eod ve.rtically directed towards the steel plate. It shall remain in safe couditiou after this test aud shall subsequently be opcratrd and fuuctiou rffective~y.

5.4 Low Temperature Test

5.4.1 Withiu the test space allow the temperature to be ulaiutaiued at the marked range of -3O’C lbr at Imast 48 h. Its temperature tluctuatiou speed in every S miu shall bc at au average of 0.7 to l.oOC/n~in.

5.4.2 Place the test sarnples inside the low temperature test space, a,ftrr transferring to the constant temperature mark of -3OOC. After S min, check up its extemal appearance and connecting item aud inuuediately carry out the release test.

5.5 High Temperature Test

5.5.1 The test space shall collfonn to the stipulations of 5.4.1, but its marked value shall be withiu the raugr of 2.O*Chuin.

5.5.2 Put the test samples inside the high temperature test space after transferring to the marked constant temperature of +65”C for at least 48 h. After 8 nliu check up the extrmal appearalice and connecting item and also inuncdiate.Iy carry out the release test.

5.5.3 Subject the sample to a temperature of +6S*C and 90% relative humidity for at least 96 h, followed by 10 days at 20 to 25°C aud 6.5% relative humidity. The sample shall functiou effectively.

5.6 Water Proof Test

5.6.1 The depth of the test water trough shall uot be less thau 130 CIII and water temperature shall be 20 f YC.

5.6.2 Immerse the test samples in the water trough, its water depth not being less thau 100 cm. Take out thr test sanlplr after 24 h. Check the external appearance aud immediately carry out the release test.

5.7 Release Test

5.7.1 Rcleasc test of the various pyrotechnic signals shall bc carried out at the proper test field as per the opcratioa manual of the product.

5.8.1 The various pyrotechnic signals, at the time of the design or whenever rrccessary, shall not ouly under- go the illdividuai item prrfonuauce test, as per 5.2 to 5.7, but also uudergo the gerleral performance test aud the same test samples shall also undergo release test after undergoing the water-proof endurance, low temperature arld high temperature tests.

5.8.2 Low clnd High Tempcrtrtw~ Test Cycle

After undergoing the low temperature test, as per 5.4, the test sample shall bc placed in blowing willd of 20 r 5% for 4 h to enable it to co~nc back to the room temperature. Then subject the test sample to the high temperature test as per 5.5. After the high temperature test, the test samples shall be placed in blowing wiltd of20 + 5°C for 4 h to enable it to come back to the room temperature.

5.8.3 The water-proofaud vibration test of the samples shall separately be carried as per 5.2 aud 5.6.

5.8.4 The test samples shall undergo the exterual appearance aud connecting items checks separately, before aud after each test, aud the relrasc test shall be carried out after the general yrrfonnancc test to examine its utility performance.

5.8.5 A rocket parachute tlare rocket shall fuuctiou efficiently when tested by firing at au augle of 4Y IO the horizontal.

5.8.6 When a rocket Hare parachute is oye,rated from a baud held position it shall be demonstrated that the recoil of rocket is minimal.

5.9 A hand tlarr shall be activated aud shall bun1 for a period of uot less thau me minute. After burning for 30 s it shall be immersed tmder 100 mm of water for a period of 10 s and shall contiuue burning for at least further 20 s.

5.10 A baud llarc shall be activated 1.2 IU above a test pau 1 mt coutainieg two litres of heptaue tloatiug ou a layer ofwater. The. tcs! shall be conducted at an ambient temperature c?f +2O”C to 25%. The tlare shall be allowed to burn completely aud the heptane shall not be ignited by the Hare or material from the flare.

5.11 Abuoyant smoke, signal shall be subjected to tests as under.

5.11.1 Following temperature cycling oue smoke signal shall br activated and the11 shall operate ie seawater at a tempature of - 1°C. A second smoke signal shall be activated aud theu shall operate in seawater at a temperature of 30°C. After the smoke signals have been emitting smoke for 1 m they shall be fully submerged for a period of uot less than 10 s aud shall coutiaue emitting smoke during and after submer- sion and demonstrate a total period of smoke emissiorr of uot less that1 3 min.

3

IS 14270 ( Part 1) : 1995

511.2 A smoke sittgal shall fttttctiott itt water covered by a 2 tntn layer of heytattc without igttitittg the heplattc.

5.11.3 Laboratory testing of a sttmke sigttal shall es- tablish that at least 30 pcrccttt obscuratiott throughout tlte tnittitttutn etnissiott tittte is attaittcd wheu the smoke is drawtt through a 19 ctn diameter duct by a fan capable of yrodttcittg att etttrattcc air Bow of 1X.4 ut3/tnitt. The rolour of the stttoke shall be orange as per the diagram of the Ittterttatiottal Illutninatiott Cotntniltee.

511.4 A stnoke sigttai shall be tested in waves at least 300 tntn high. The signal shall function properly for not less than 3 mitt.

6 INSPECTION

6.1 Mattufacturittg ittspecfiott of every pyrotechttic sigttais is dotte batchwise after obtaittittg appearance certificate frotn the statutory authorities. Every batch of 480 pieces is separately exatnined accordtttg to this stattdard attd the individual product standard.

6.2 The vibratiott at various pyrotechnic signals is divided ittto delivery ittspectiott attd routitte ittsyectiott.

6.3 Delivery Inspection of the Products

6.3.1 The test satnples for the delivery ittsyectiott shall be selected from each batch of products. On delivery inspection, if the quality attd size of atty itettt is ttot accordittg to the stipulatiotts of this standard, double the quatttity ofthese itettts are inspected attd if they are still ttot in cottfortnity with the stiyttlatiotts, the whole lot is settt back for alterations. If the performance of atty ilettt is ttot itt conformity with its stipulation, then agaitt the whole lot is sent back for alterations.

6.3.2 The altered products tttay be settt agaitt for delivery inspection; for the recheck two sets of samples shall be taken and the ittspectiott is to be carried out as per the delivery ittsyection stipulation. If still, they are found to be ttat cottfortnittg to the stiptlatiotts, thett that batch is rejected.

6.4 Check of the Validity Period

6.4.1 Of the products produced after obtainittg the test certificate, three rest samples after the delivery inspection, shall be stored as per the stattdard storage cottditiotts attd within the validity period of 3 years, the release test is to be carried out.

6.4.2 The validity period is detertnittcd by the release test results of the samples attd by the specification requiretnettt of the product, their the products may be exetnpted frottt the validity period ittspectiott. If the cotnpositiott techttology or the tnaterials of the products are changed, or when the productiott is reviewed after stopping it for an year, thett the products are to be tested agaitt for its validity period.

7 MARKING

7.1 On the outer surface of every shell of various pyrotechnic signal there shall have the followittg

markittgs:

a) Sigttai type; b) Nutttbkr of this Ittdiatt Stattdard; c) Use attd basic parattteters’ d) Source of tnattufacture ani trade mark, and

e) Manufactttrittg year, tnotttit, batch ttuntber and validity date.

7.2 On every yackittg container of the tittished product, there shall be the foliowittg sGpttlated tttarkittgs:

a) b) Cl 4 e)

Sigttal type;

Nutttber of this Indian Standard;

Quatttity of sigttals iuside the contaker;

Source of manufacture and trade tnark; and

Mattufactttrittg year, tnottth, batch ttutnber attd validity date.

7.3 On every trattshiymettt yackittg cotttainer there shall be the foilowittg stipulated markings:

Sittgal type, quatttity attd total weight;

The outer lettgth x width x height of the con- taitters;

Source of tttattufactttre and trade mark; attd

Words iiks: ‘INFLAMMABLE’, ‘EXPLOSIVES’, ‘KEEP DRY’, ‘AVOID SHAKE’, ‘FRAGILE’, ‘HANDLE WITH CARE’ attd schematic diagram.

7.4 Markittgs shall be clear attd indelible attd schematic diagratn shall be sitnple attd expressive.

8.1 Packittg OS ihe tinished pyrotechnic signals shall conform IO the foilowittg stiyttlatiotts:

a)

b)

4

4

e)

Each pyrotechttic signal shall have air tight trattsyarettt polythette packings. Packittg cotttainer of the fittished product shall be water proof, hard plastic or metal.

Products of same type or batch ntttnber shall have otte packing cotttaitter. Also the type attd quantity of the sigttals according to the ships, life boats and life rafts tnay be packed into otte packittg con- tainer.

lttside the packing container of the tittished products there shall be cushiottittg material between each product.

8.2 Trattshipmettt packittg of the pyrotechttic sigttals shall conform to the following stipulations:

The desigtt of the trattshiptttent packing con- tainer shall cottforttt to the transportation, security, safety and dependability requirements. Ittside the trattshiptttent packittg container, there shall be same variety of products and any

4

IS 14270 ( Pat-t I ) : 1995

multiple. of six such as 60, 72 or 120. before, placiug in the ship, lifeboat or liferaft shall be

c) If the packiug contaiuer of the finished product properly stored in the warehouse iu au atmospheric

is of metallic material, traushipmeut pack& temperature of -10 to +40°C, aud a relative humidity

coutaiuer may be of uou- metallic materials aud of not more thau 80 percent.

vice-versa. 9.2 The products packed as per the stipulation of 7.1

9 STORAGE and 7.2, shall be properly placed iu the ship, lifeboat or raft in a place with proper heat and moist preveutiou;

9.1 The goods packed as per the stipulations in ‘7, its atmosphrric temperature beiug -30 to +6S°C.

ANNEXA (For-eword,)

COMMITTEE COMPOSITION

Marine Instruments and Safety Aids Sectional Committee, TE 20

Chairman

CAPY S. S. NAWADE

Members

SHRI A. K. PWHAD (Alternate to Cspt S. S. Naphacle )

CAPT S. B. AGA

SHRI D. R. BAPAT SHRI K. R. EA~WARAN (Alternate )

SHRI S. K. RAW SHRI S. K. GANULY (Alternate )

CAPT N. N. BHANSAU

DR A~H~K CHANDRA SHRI V. V. SINGH (Alternate )

SHIU A. K. CHOPRA

De~un DIRECIDR LT CDR A. ANAND ( Alternate )

SHRI p. R. Gova SHRI M. K. AGARWAL (Alternate )

CAPT T. D. HAURI CAPT A. K. GHATAK (Alternate )

SHRI K. T. KWHIIPAIIL SHRI V. CHANDRA BOSE (Alternate )

SHRI V. M. KULKARNI SHRI G. 1. MUKADAM (Alternate )

SHRI C. N. MLWRY

SW P. MITRA SHRI K. J. RAY ( Alternate )

CAPT N . H . SADARANOANI CAPT A. K. RANADE (Alternate )

SHRI JATINDEJLA R. SALOT SHRI HARISH R SALOT (Alternate )

DR T. K. SIVADAS SHRI K. RAMAKRISHNAN (Alternate )

SHW A SHEXAGIRI RAO SHRI P. KRISHNARAO (Alternate )

Representing

Director General Shipping, Bombay

Ericson & Richards, Bombay

Mather & Platt (India) Ltd, Bombay

CYalcutta Port Trust, CYcutta

The C’ompany of Master Mariners of India, Bombay

Ministry of C’ommonication, New Delhi

Indian Register of Shipping, Bombay

Ministry of Defence (NHQ), New Delhi

Ministry of Surface Transport (SBR Wing), New Delhi

The Shipping Cbrporation of lndia L.td, Bombay

Chchin Shipyard Ltd, (hchin

Mazagon Dock Ltd, Bombay

Shaparia Dock & Stee! C’o Private Ltd, Bombay

Alcock Ashdown & Co Ltd, Bhavnagar

Indian National Shipowners Association, Bombay

Vijay Fire Protection Systems Pvt Ltd, Bomhy

Central Institute of Fisheries Technology, Cbchin

Hindustan Shipyard Ltd, Visakhapatnam ( C’cntinued on puge 6 )

5

IS 14270 ( Part 1) : 1995

( C‘onlinued from page 5 )

Mcmhcr\ Representing

<=DR A. c’. Srlu Ministry of Defence, DQA (N), New Delhi

SHRI V. S. VASISHT ( Alternate )

CDR A. P. V. THAMPAN Ministry of Defence, Directorate of Systems, New Delhi

ASSITANT DIRE~-~ROF SYSTEMS [W] ( Alfernate )

SHRI N. S. JUD(~E Director (+eneral, HIS (Ex-officio Member)

Director (Transport Engg.)

Member Secretary

&RI N. S. JUDGF

Director (Transport En=.), HIS

Composition of Life Saving Equiymeut aud Accessories Subconlmittee, TE 20 : 2

Convener

C’APT SUDHIR KUMAR

Members

C:APT&ATTEIUEE

SHR, T. K. C:HAll-ElUEE SHRI T. FERNADEZ ( Alternate )

SHRl E ". bKNlK

SHRI R. V. SOJAN (Alternate )

CAPT M S. KARNIK

SHRIS. MITRA SHRI M. ROY ( Alternate )

SHIU C. N. MIHRY

SHRJSHAREEF MO~~O~HOY SHRI ARIFF MUNJEE ( Alfernate )

SHRI J. K. NANUA SHRI S. K. BAIRA ( Alternate )

SW K. K. PALIT C?APT A. KUMAR ( Afternute )

SHRI FKILCHAND N. PATEL

(RAPT S. PIUtisH SHRI M. K. ADINA (Alternate )

SHRI P. A. R-lsHNAN C:DR A. NAMYANAN (Alternate I ) SHRI P. V. RAMAKR~~HNAN (Alternate II)

CAP-~ N . H SADARANFAR~

SHRI DIUP SARANGDHAR

SHRI A. SENGUPTA Stun B. R. K. GU~A (Alternate i ) SHRI S. V. RAM~HANDA?~ (.4lternate II )

CDR M.M. SINGH

LT CDR N. BANERIEE (Alternate )

C‘MDE RATAN SIN~H SHRI M. K. ADITYA ( Akernatc)

SHPJ K. S. SU~RAMANIAM SHRI K. R. L. AIYER (Alternate )

SHR~ S.SURYANAR~~ANAN

Director General Shipping, Bombay

Meridian Inflatables Pvt Ltd, Bombay

Swastik Rubber Products Ltd, Pune

Mazagon Dock Ltd, Bombay

The Company of Master Mariners of India, Bombay

Garden Reach Shipbuilders and Engineers Ltd, Calcutta

Shaparia Dock apd Steel Co Pvt Ltd, Bombay

Ahmed S Moloobhoy & Sons, Bombay

Geeta Engineering Works Pvt Ltd, Bombay

The Shipping Corporation of India Ltd, Bombay

R. L. 8c Company, Bombay

Ministry of Defense (R& D), New Delhi

Vadyar Boats Pvt Ltd, Madras

The Indian National Shipowners Association, Bombay

Indian Register of Shipping, Bombay

Lloyd’s Register of Shipping, Bombay

Ministry of Defence (NHQ), New De!hi

Directorate of Standardization, Ministry of Defence, Ne,.v Delhi

Institution of Marine Technulogists, Bombay

Bharat Traders, Bombay

6

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Review of Indian Standards

Amendments are issued to standards as the need arises on the basis of comments. Standards are also reviewed periodically; a standard along with amendments is reafl%-med when such review indicates that no changes are needed; if the review indicates that changes are needed, it is taken up for revision. Users of Indian Standards should ascertain that they are in possession of the latest amendments or edition.

This Indian Standard has been developed from Dot No. TED 20 (914)

Amendments Issued Since Publication

___~~

Amend No. Date of Issue Text Affected

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Headquarters:

Manak Bhavan, 9 Bahadur Shah Zafar Marg, New Delhi 110002 Telegrams : Manaksanstha Telephones : 331 01 31, 331 13 75 ( Common to all offices )

Regional Offices : Telephone

Central : Manak Bhavan, 9 Bahadur Shah Zafar Marg NEW DELHI 110002

Eastern : l/14 C. I. T. Scheme VII M, V. I. P. Road, Maniktola

CALCUTTA 700054

Northern : SC0 335-336, Sector 34-A, CHANDlGARH 160022

Southern : C. I. T. Campus, IV Cross Road, MADRAS 600113

Western : Manakalaya, E9 MIDC, Marol, Andheri ( East ) BOMBAY 400093

i

331 01 31 331 13 75

37 84 99, 37 85 61

37 86 26, 37 86 62

I

60 38 43 60 20 25

235 02 16, 235 04 42

235 I5 19, 235 23 15

632 92 95, 632 78 58 632 78 91, 632 78 92

Branches : AHMA.DABAI). BANGALORE. BHOPAL. BHUBANESHWAR.

COIMBATORE. FARIDABAD. GHAZIABAD. GUWAHATI. HYDERABAD.

JAIPUR. KANPU K . LUCKNOW. PATNA. THTRUVANANTHAPURAM.

PrInted at New India Printing Press, Khurja, India