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 4551 (1968): Lifeboat Crutches [TED 19: MarineEngineering and Safety Aids]

IS : 4551.l!l68

Indian Standard SPECIFICATION FOR

LIFEBOAT CRUTCHES

Marine Instruments and Safety Aids Sectional Committee, EDC 68

Chairman

CAPTGURSAHAN SIN~H

Members

CAPT S. B. AOA

RePresenting

Directorate General of Shipping ( Ministry of Trans- port & Shipping ), Bombay

CAPT D. MUN~AT ( Alternnte ) Ericson & Richards, Bombay

CAPT P. ALEXANDER The Company of Master Mariners OF India, Bombay CAPT P. S. VANCHISWAR ( Alternate )

CHIEF MECHANICAL ENOINEER, THE COMMISSIONERS FOR THE

Inter Port Consultations Cell, Calcutta

PORT OB CALCUTTA CHIEF MECHANICAL ENQINE-

ER, BOMBAY PORT TRU%~ ( Alternate ) SHRI V. G. DAMLE AFCO Ltd, Bombay

SHRS S. J. VOKES ( Alternate ) DEPUTY DIRECTOR OF WEAPONS Indian Navy

POLICY AND TACTICS SHRI J. E. GILL E. W. Stevens & Co Ltd, Calcutta SHRI K. GURURAJA CAPT R. D. KOHLI

Bharat Electronics Ltd, Bangalore

CAPT D. A. BEALE (Alternate) The Shipping Corporation of India Ltd, Bombay

SHRI V. KRISHNAMURTHY Directorate General of Technical Development ( Ministry of Industrial Company Affairs )

Development &

CAPT H. S. MAINI The Indian National Steamship Owners’ Association,

SHKI SHAR~EF MOLO~BHOY Bombay

SHRI T. V. S. RAO Ahmed S. Moloobhoy & Sons, Bombay Hindustan Shipyard Ltd, Visakhapatnam

SHRI C. S. R. ANJAN~YTXD ( Alternate) DR E. SCHIMMEL Siemens Engineering & Manufacturing Go of India

Ltd, Bombay SHRI 0. P. TALWAR ( dlternnte )

SHRI P. A. SHAPARIA SHRI C. N. MISTRY ( Alternate)

Shaparia Dock & Steel Co Pvt Ltd, Bombay

SHRI M. VELU SHRI M. V. PATANKAR,

Central Institute of Fisheries Technology, Ernakulam

Director ( Mcch Engg ) Director General, IS1 ( Ex-oj?cio Member )

Secretary

SHRI K. S. SUBRAMANIAM Officer on Special Duty ( Mech Engg ), ISI

( Continued on page 2 )

INDIAN STANDARDS INSTITUTION MANAK BHAVAN, 9 BAHADUR SHAH ZAFAR MARG

NEW DELHI 1

IS : 4!551- 1968

( Contim4edjiom page 1 )

Life Saving Equipment Subcommittee, EDC 68 : 1

Ghwencr

CAPT R. L. RIKHYE

Rejresenling

Directorate General of Shipping ( Ministry of Trans- port & Shipping ), Bombay

Members

CmS.S. BACASURRAMANIAM The Indian National Steamship Owners’ Association, Bombay

SHRI S. K. CHANDA The Industrial Wood Works (P) Ltd, Calcutta SHRI K. C. SARKAR ( Alternate )

SILT MORAN RAMAN Indian Navy LT CDR R. B. SUBRAMANTAN ( Alternate )

SHRI A. C. SEKHAI~ Forest Research Institute and Colleges, Dehra Dun C~pr P. S. VANCHISWAR The Company of Master Mariners of India, Bombay SHRI S. J. VORES AFCO Ltd, Bombay

SHRI V. G. DAMLE ( Alternate j

IS:4551-1968

Indian Standard SPECIFICATION FOR LIFEBOAT CRUTCHES

0. FOREWORD

0.1 This Indian Standard was adopted by the Indian Standards Institution on 18 March 1968, after the draft finalized by the Marine Instruments and Safety Aids Sectional Committee had been approved by the Mechanical Engineering Division Council.

0.2 Crutch is one of the essential equipment of lifeboat.

0.3 The number of crutches to be provided with each lifeboat is covered by statutory rules.

0.4 This standard generally incorporates the requirements under the Mer- chant Shipping Act, 1958 and the rules made thereunder, and in addition lifeboat equipment is subject to the approval by the Government of India, under the said Act and the Rules.

0.5 In the preparation of this standard considerable assistance has been derived from STAS 1382-1950 ‘ Specification for rowlocks for marine use ’ issued by Oficiul de Stat Pentru Standarde.

0.6 For the purpose of deciding whether a particular requirement of this standard is complied with, the final value, observed or calculated, expres- sing the result of a test, shall be rounded off in accordance with IS : 2-1960*. The number of significant places retained in the rounded off value should be the same as that of the specified value in this standard.

1. SCOPE

1.1 This standard specifies the method of manufacture, material and dimensions of crutches.

2. TERMINOLOGY

2.0 For the purpose of this standard, the following definitions shall apply.

2.1 Crutch- Crutch is a swivel metal fitting in which the oar rests when ---

*Rules for rounding off numerical values ( reuised ) .

3

IS : 4551- 1968

rowing and acts as a fulcrum for the oar and transfers the thrust from the oar to the lifeboat.

2.2 Gunwale-Fore and aft member forming the upper most sides of the boat at the termination of the shell. Gunwales are pierced suitably to receive the crutches.

3. RECOMMENDED NUMBER OF CRUTCHES

3.1 The recommended number of crutches to be carried by each lifeboat, according to length of boat is given below:

Length of Lifeboat Number of in Me&es Crutches

4.25 and under 6 Over 4.25 to 5.50 8 Over 5.50 to 7.30 9 Over 7.30 to 8.50 11 Over 8.50 12

4. MANUFACTURE

4.1 Crutches when forged out of steel in one piece, shall be galvanized after the smith’s work.

4.1.1 Crutches may also be made out of aluminium alloy or malleable cast iron. 4.2 At the lower end of the crutch, a hole shall be provided to attach it by a lanyard or galvanized chain to the boat.

4.3 The crutch shall be removable from the gunwale.

4.4 Crutch of hinged type may also be used.

5. MATERIAL

3.1 Crutch shall be made of material conforming to IS : 1875-1966*, IS : 2590-1964T and IS : 2107-1962:.

5.2 Galvanizing shall be according to IS : 2629-1966s.

6. SHAPE AND DIMENSIONS

&I The shape and dimensions of crutches shall be according to Fig. 1.

7. TOLERANCE

I.1 Tolerance on dimensions shall be as shown in Fig. 1.

*Specification for carbon steel billets, blooms and slabs for forgings ( revised j. tSpecification for primary aluminium ingots for remelting for general engineering

purposes. $Specification for whiteheart malleable iron castings. SRecommended practice for hot-dip galvanizing of iron and steel.

4

16i.rQ

f

40

Sk--- 16*19-

Ml dimensions in millimetres.

FIG. 1 DIMENSIONS FOR LIFEBOAT

5

I

I

, ,

CRUTCH

13: t4

---I 35

8 115**

1

INDIAN STANDARDS INSTITUTION

The Indian Standards Institution (ISI), which started functioning in 1947, is the national standards organization for India. Its principal object is to prepare standards on national and inter- national basis and promote their general adoption.

The overall control of ISI, which is run and financed jointly as a non-profit making body by the Government and private enterprise, is exercised by the General Council, composed of representatives of Central and State Governments; leading trade, scientific and technological or anizations;

% and subscribing

members. The Union Minister of In ustry is the ex-ofncio President of ISI.

The Present technical activity of ISI is carried out through 8 Division Councils for Agricultural and Food Products: Chemical; Civil Engineering; Consumer Products; Electrotechnicai; Mechanical Engineering; Structural and Metals; and Textile. All technical work relating to the formulation and revision of standards is done by committees appointed by and under the direction of their respective Division Councils. These committees consist of experts drawn from manufacturing units, technical institutions, purchase organizations and other concerned bodies.

To make available benefits of Indian Standards to the common man, ISI has introduced its Certification Marks Scheme under the Indian Standards Jnstitutlon (Certification Marks) Act, 1952, as amended by the Amendment Act, 1961. According to this Act,

E uality goods conforming to Indian Standards can carry the ISI ertification Mark. This Mark is a third-party guarantee of

quality of marked goods. Licences to use the ISI Certification Mark are granted to manufacturers using reliable methods of quality control subject to overall inspection by ISI.

In the international field, ISI represents India on the Inter- national Organization for Standardization (ISO) and the Inter- national Eiectrotechnical Commission (IEC). IS0 and IEC respectively link 54 and 40 countries, and function through I I8 and 58 technical committees; ISI participates in 83 technical committees of IS0 and all the technical committees of.lEC. The committees and subcommittees of IEC and IS0 for which ISI holds the secretariat deal with: Electric Fans, Lac, Mica, Pictorial Markings for Handling of Goods, Liquid Flow Measurements in Open Channels, Procedures for Inter-conversion of Values, Spices and Condiments, and Stimulant Foods.

S: ( Reaffirmed 2002 )