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है”ह”ह

IS 11588 (1986): Beating Board [PCD 22: Sports Goods]

IS : 11588 - 1986

lndian Standard SPECIFICATION FOR BEATING BOARD

Sports Goods Sectional Committee, CPDC 4

Chairman

DR R. L. ANAXD

Represmting

Netaji Subhash National Institute of Sports, Patiala

Members

DR C. M. MUTHIAH ( Alternate to Dr R. L. Anand)

SHKI A. K. ANAND Nelco ( India) Pvt Ltd, Meerut SRRI R. K. BOSE Office of the Development Commissioner, Small

Scale Industries. New Del hi SHRI CHANDER MOEAN SINQH SERI A. N. CHOUDHARY

____ Pioneer Sports Worcs Pvt Ltd, Jalandhar

SEIRI K.GOPINATH (.fhrnak) Jaya Shree Textile & Industries Ltd, Rishra

SHRI R. S. CHOUHAN Sports Authority of India, New Delhi SERI V. H. DESAI Ilac Ltd, Bombay

SERI D. D. PARSHETYE ( -&mate ) Ministry of Youth Affairs & Sports Directorate of Industries ( Quality Marking

Scheme ) Government of West Bengal, Calcutta

DEPUTY SECRETARY SARI R. K. GHOSH

SHRI B. B. CHAKI ( ~hxnnte ) SARI S. P. GHOSH

SHRI J. K. KHANNA ( Alternate ) SHRI G. P. KED~A

Central Leather Research Institute, Madras

Prolific Engineers, Delhi SHRI D. C. AQ~ARWAL (Alternate 1 ) SHRI STJBEASH JAIN ( Alternate II )

SHRI VIJAY KHARBANDA Freewill & Company, Jalandhar SM~I R. C. KOHLI Beat All Sports, Jalandhar SHBI TILAK RAJ KoHLI International Sports, Meerut

SRRI M. L. KOHLI ( Attemte) SERI SATYA PRAKABH MAnAJAN Delhi Sports Goods Manufacturers Association,

Delhi SHRI K. K. MEERA F. C. Sondhi & CO India Pvt Ltd, Jalandhar CDR T. MIVHRA Services Sport Control Board, New Delhi

S&N_LDR p. GOVINDAN ( Alternate)

( Contimed on page 2 )

Q Copyright 1986 INDIAN STANDARDS INSTITUTION

This publication is protected under the Indian Coprright Act (XIV of 1957 ) and

reproduction in whole or in part by any means except with written permission of the publisher shall be deemed to be an infringement of copyright under the said Act.

IS:I1588- 1986

( Continuedfrom page 1 )

Members RcpIcJenting

PREHDENT All India Sports Goods Manufacturers Federation

SECRETARY ( Alternate ) ( Regd ), Meerut

Pnxsr~E~r Sports Goods Manufacturers & Exporters Association, Jalandhar

SECRETARY (Alternate) SHRI S. C. RATNAM Madura Coats Ltd, Korathi

SHRI D. KUMAR ( Alternate ) SHRIK. K. ROHAT-AQI Directorate of Industries, Government of Uttar

SHRI I. D. GUPTA ( Alternate ) Pradesh, Kanpur

SHRI MOHI-UD-DIN SHAH Industries & Commerce Directorate, Government of Jammu & Kashmir, Srinagar

MANAGER (Alternate ) SHRI R. D. SHARMA Sports Goods Export Promotion Council, New

Delhi SHRI T. K. SURI ( Altcrnatc )

SHRI S. N. SHARMA SHRI N. K. SHUKLA (Alternate)

Forest Research Institute & Colleges, Dehra Dun

SHRI G. S. SIVIA Association of Indian Universities, New Delhi SHRI M. L. SURI Directorate of Induatries ( Quality Marking

DR A. S. SETHI, Scheme ) Government of Punjab, Chandigarh

Director General, 1SI ( Ex-ojkio Member ) Director ( Consr Prod & Med Instrs )

Secretary SHRI M. K. BHATIA

Deputy Director ( Consr Prod & Med Instrs ), IS1

Gymnasium Equipment Subcommittee, CPDC 4 : 10

Convener SHRI D. K. TANDON Netajt Subhash National Institute of Sports,

Patiala

Members SHRI GURDIAL SINGE (Alternate to

Shri D. K. Tandon ) SHEI J. M. KALIA Delhi Sports Goods Manufacturers Association,

Delhi SHRI T. R. KOHLI International Sports, Meerut

SHRI EM. L. KOHLI ( Alternate ) SHRI PURAN GRAND MADAR U. P. Gymnastic Works, Lucknow CDR T. MISHRA Services Sport Control Board, New Delhi

SQR-LDR P. GOVINDAN ( Alternate ) PRESIDENT All India Sports Goods Manufacturers Federation

( Regd ), Meerut SECRETARY ( Alfcrnafe )

SARI K. K. ROHATAGI Directorate of Industries ( Quality Marking Scheme ), Government of Uttar Pradesh, Kanpur

SHRI D. K. DINESE ( Alfrrnutr ) SHRX N. K. SHUHLA Forest Research Institute & Colleges, Dehra Dun SRRI M. L. SURI Quality Marking Centre for Sports &. Leather

Goods, Directorate of Industries, Government of Punjab, Jalandhar

2

IS : 11568 - 1986

Indian Standard

SPECIFICATION FOR

BEATING BOARD

0. FOREWORD

0.1 This Indian Standard was adopted by the Indian Standards Institution on 27 March 1986, after the darft finalized by the Sports Goods Sectional Committee had been approved by the Consumer Products and Medical Instruments Division Council.

0.2 While preparing this standard, assistance has been derived from BS 1892 : Part 2 : Section 2.4 : 1972 ‘Specification for gymnasium equip- ment: Part 2 Particular requirements: Section 2.4 Beating boards, spring boards, balancing benches and jump stands’, issued by the British Standards Institution.

1. SCOPE

1.1 This standard covers requirements for beating boards used in gymnastics.

2. DIMENSIONS

2.1 The dimensions shall conform to Fig. 1.

3. MATERIALS

3.1 The following materials shall be used in the construction of beating boards:

Battens Any of the following species shall be used for battens:

a) b) cl 4 e)

Cedrus deodara ( deodar ),

Dysoxylum malabaricum ( white cedar ),

Fraxinus spp. ( ash ),

Tectona grandis ( teak ), and

Terminalia alata ( laurel ).

3

IS : 11588 - 1986

Take-of board Laminated board ( laminated/plywood )

Beech, birch or sissoo having 22 & 1 mm thickness, made up of seven laminates and bonded with urea formaldehyde synthetic resin.

or

Plywood

BWR grade, 22 f 1 mm thick, 1 l-ply plywood conforming to IS : 303-1975*.

JPPER END TAXE-OFF. BOARD

TOE BATTEN

L RUBBER SCREWED OR STAPLED AT SIDES’

704 !+3* All dimensions in millimetres.

FIG. 1 BEATING BOARD

3.1.1 If laminated board is used for making take-off board, it shall be constructed from seven laminates, each of 3 mm thickness with two cross laminates under the face laminates.

*Specification for plywood for general purposes (second revision).

4

IS : 11588 - 1986

4. CONSTRUCTION

4.1 The upper surface of the board shall be covered with a non-slip material with a elastic layer under it The top surface of the beating board shall be cross-brushed with medium coarse sand paper to give a secure foothold. A batten of minimum length of 600 mm shall be fixed at the lower end by five 44-mm long wood screws in screw cups inserted through the board. At the upper end of the board, a batten not less than 690 mm long shall be fixed in the same manner.

4.2 Rubber strip feet shall be secured to the underside of the floor supports at each end as shown in Fig. 1 and in such a manner that if the rubber is accidentally detached, no fixing heads can make contact with the floor.

4.3 Staples shall be of an industrial type, having a breaking strength of 650 N and shall be adequately protected against rust.

5. TEST

5.1 Elasticity of the Beating Board - For testing the elasticity of the beating board, a mass of 6 000 N ( 600 kg ) shall be placed at a distance of 300 mm from the front edge in the centre of the highest point. This load shall produce lowering ( deflecting of the board ) within 82 -& 5 mm. When the load is removed the board shall come back to its original position.

6. MARKING

6.1 The equipment shall be prominently marked with the manufacturer’s name, initials or recognized trade-mark.

6.1.1 The beating boards may also be marked with the ISI Certification Mark.

NOTE - The use of the IS1 Certification Mark is governed by the provisions ofthe Indian Standards Institution ( Certification Marks ) Act, and the Rules and Regulations made thereunder. The IS1 Mark on products covered by an Indian Standard conveys the assurance that they have been produced to comply with the requirements of that standard under a well-defined system of inspection, testing and quality control which is devised and supervised by IS1 and operated by the producer. IS1 marked products are also continuously checked by IS1 for conformity to that standard as a further safeguard. Details of conditions under which a licence for the use of the IS1 Certification Mark may be granted to manufacturers or processors, may be obtained from the Indian Standards Institution.

7. PACKING

7.1 The equipment shall be packed as agreed to between the manufacturer and the purchaser.

5

dS : ll.588 - 1986

8. SAMPLING AND CRITERIA FOR CONFORMITY

8.1 Lot - In any consignment all the beating boards manufactured from the same raw material, under similar conditions shall be grouped together to constitute a lot.

8.1.1 For ascertaining the conformity of the lot to the requirements, the standard samples of beating boards shall be collected and tested separately for each lot.

8.2 Number of beating boards to be selected at random from the lot depends upon the size of the lot and shall be in accordance with co1 1 and 2 of Table 1.

TABLE 1 SAMPLE SIZE AND CRITERIA FOR -CONFORMITY

LOT SIZE

(1)

up to 15

16 >> 25

26 ,, 50

51 ,, 100

101 ,, 150

151 and above

SAMPLE SIZE ACCEPTANCE NUMBER

(2) (3)

3 0

5 0

8 1

13 1

20 2

32 3

8.2.1 The number of beating boards in a sample shall be selected at random from a lot and in order to ensure the randomness of selection, see IS : 4905- 1968*.

8.3 Number of Tests and Criteria for Conformity - All the beating boards in a sample shall first be examined for dimensions, materials, construction and test. If any board is found to be failing in any of these requirements, it shall be considered as defective. The lot shall be considered as conforming to these requirements if the number of defective beating boards in a sample does not exceed the number given in co1 3 of Table 1.

*Methods of random sampling.