is.8521.1.1977

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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 interestto the public, particularly disadvantaged communities and those engaged in the pursuit ofeducation and knowledge, the attached public safety standard is made available to promote thetimely dissemination of this information in an accurate manner to the public.

!"#$% '(%)

!"# $ %& #' (")* &" +#,-. Satyanarayan Gangaram Pitroda

Invent a New India Using Knowledge

/0 )"1 &2 324 #' 5 *)6 Jawaharlal Nehru

Step Out From the Old to the New

7"#1 &" 8+9&") , 7:1 &" 8+9&") Mazdoor Kisan Shakti Sangathan

The Right to Information, The Right to Live

!"# %& ;

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IS : 8521 (Part 1) - 1977( Reaffirmed 2007 )

Indian StandardSPECIFICATION FOR INDUSTRIAL

SAFETY FACESHIELDSPA RT I WITH PLASTICS VISOR

UDC 614.891.3 : 614.893.6 : 658.382.3

Copyright 1977

I N D I A N S T A N D A R D S I N S T I T U T I O N

MANAK BHAVAN, 9 BAHADUR SHAH ZAFAR MARG NEW DELHI 110002

November 1977Price Rs 7.00 Gr 4

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AMENDMENT NO. 1 JULY 1979TO

IS : 8521 ( Part I ) - 1977 SPECIFICATION FORINDUSTRIAL SAFETY FACESHIELDS

PA RT I WITH PL AS TI CS VISORAlterations

( Page 10, clause 4.2.1, line 2 ) Substitute ' a headform conformingto IS : 7692-1977* ' for ' a standard wooden head form, size 7 ' .

( Page 11, clause 4.2.2 , lines 3 and 4 ) Substitute 'new sewingmachine needle of size 18 , conforming to IS : 2181-1973* (see N o t e ) '

for ' new sewing machine needle No . 135 17, size 2 5 ' .

Addenda

( Page 10 ) Add the following new foot-note at the end:

'*Speci ficati on for wooden headf orm for testi ng of he lm et s. '

( Page 11, clause 4.2.2 ) Add the following new note after 4.2.2:'NOTE IS : 2101-1973* follows size designations according to class 15 1

syst em ( also known as Singer Sys tem ). Need le size 18 of that system c or re spo ndsto designat ion 100 of the In te rn at io na l S ystem of Size Design ations of sewi ngmachine needles. '

( Page 11, foot-note ) Add the following new foot-note at the end:

'*Specifi cation for househ old sewing ma ch in e needle s for household p urp ose s.'

( ISAC )

Reprography Unit, BIS, New Delhi, India

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Industrial Safety Advisory Committee, ISAC

ChairmanBRIG G. R. CHAINANI

Members

RepresentingDire ctor ate Gen er al, Fa cto ry Advice Service and

Labour Institutes (Mi nis try of La bo ur ),Bombay

S H R I P. R. SURENDRANATHAN ( Alternate toBrig G. R. Chainani )

SHRI BIMAL BANERJEESHRI BACHA PBASAD ( Alternate )

SHRI U. C. B AN ER JEESHRI M. N. ARORA ( Alternate )

SHRI SUS HIL BHATTACHARYA

Hind Mazdoor Sabha, Bombay

Indian Airlines Corporation, New Delhi

United Trades Union Congress, CalcuttaSHRI PR AT UL CHO WDH URY ( Alternate )

DR M. K. CHAK RABO RTY

DR B. SINGH ( Alternate )SHRI N. CH AKRA BORT Y

SHRI S. RAGHAVAN ( Alternate )DR S. K. CH AT TE RJ EE

DR A. K. BA NE RJ EE ( Alternate )CH IE F MECHANICAL ENGINEE R,

N O R T H E R N R A I L WA Y , N E WD E L H I

SHRI J. S. D AR A

SHRI B. K. D HA R

LT- C O L D. K. G H O S E ( Alternate )SHR I D. M. D HA R

DIRECTOR ( COMMERCIAL )D E P U T Y D I R E C T O R

( COMMERCIAL ) ( Alternate)SHRI S. K. JAGNANISH RI B. D. JO SH I

Central Mining Research Station ( C S I R ) ,Dhanbad

Ministr y of Shipping & Tran spo rt

Dire ctor ate Gen era l of He alt h Services, NewDelhi

Railway Board ( Ministry of Railways )

In dia n Nationa l Tr ad e Union Congress, New Delh i

Builders ' Association of In dia , Ca lcu tta

Standing Committee on Safety for the SteelIndustry, Durgapur

Central Electricity Authority, New Delhi

Indian Cotton Mills Federation, BombayAll India Trade Union Congress, Delhi

( Continued on page 2 )

Copyright 1977INDIAN STANDARDS INSTITUTION

This publication is protected under the Indian Copyright Act (XIV of 1957) andrepro ductio n in whole or in pa rt by any mea ns except with writt en permission of the pu bl is he r shal l be deemed to be an in frin ge men t of copyrig ht under the said Act.

IS : 8521 (Part I ) - 1977

Indian StandardSPECIFICATION FOR INDUSTRIAL

SAFETY FACESHIELDSPART I WITH PLASTICS VISOR

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IS : 8521 (Part I ) - 1977

2

( Continued from page 1 )

Members

SHRI S. H. K AM ATSHRI A. R. KESHAVA MURTHYSHR I H. D. KH AN NASHRI P. N. ME HR OT RA

S H R I G. B. M E N O N ( Alternate )SHRI I . N. M UR T Y

Representing

All India Manufacturers' Organization, BombayMinistry of CommunicationsInd ian J ut e Mills Association, Cal cut taSta ndi ng Fire Advisory Com mitt ee ( Ministry of

Home Affairs ), New Delhi

Chief Controllerate of Explosives, NagpurSHRI CHARANJIT LAL ( Alternate )

SHRI S. NAMBIDR N. M. PA NT

Hindustan Aeronautics Ltd, BangaloreTh e Safety First Association of In di a, New Delhi

SHRI V. K. M U R T H Y ( Alternate )SHRI S. G. RANADE

LT-COL B. N. S. RAOSHRI S. P. KAPOOR ( Alternate )

SHRI S. R. C. RAOREPRESENTATIVE

S H R I K. C. GANGULY ( Alternate )SHRI I. C. SARIN

DR K. M. SAXENA ( Alternate )SHRI P. SESH ADRI

SHRI JAGJIT SINGH ( Alternate I )

SHR I P. C. EASAW ( Alternate II )SHR I D. K. SI RKA R

COL SUKHDEV SINGHSHRI N. RAGHAVAN ( Alternate )

TEC HNIC AL ADV ISE E ( BOI LER S )SHRI P. K. THAKUR

Directo rate Gener al of Or dn an ce Factories( Ministry of Defence ), Calcutta

Mini stry of Defence ( DG I )

Hindustan Steel Ltd, BhilaiDirectorate General of Mines Safety, Dhanbad

Employee s Stat e Insu ran ce Corporation, New Delhi

Minis try of Petr oleu m & Chemicals

Indian Chemical Manufacturers' Association,Calcutta

National Safety Council, Bombay

Central Boilers Board, New DelhiIndian Roads Congress, New Delhi

SHRI G. VISHWANATHAN ( Alternate )SHRI S. VENKASWAMYDR G. M. SAXENA,

Director ( Chem )

Deputy

Directorate General of Civil Aviation, New DelhiDirector General, ISI ( Ex-officio Member )

SecretarySHRI P. S . ARO RA

Director ( C h em ) , ISI

S a fe ty E q u i p m e n t S u b c o m m i t t e e , I S A C / S - 2

ConvenerSHR I D. M. DH AR

MembersSH RI J. J. ADH IA

SHRI M. V. RAO ( Alternate )SHRI K. BARDHAN

SHRI J. P. AGARWAL (Alternate)

Hindustan Steel Ltd, Durgapur

Century Spinning and Manufacturing Co Ltd,Bombay

Ministry of Defence ( DGI )


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IS : 8521 ( Part I ) - 1977

Type 2 Faceshields with crown protectorTyp e 3 Faceshiel ds with provision for at ta ch me nt to a safety

helmet.

2.1.1 All the abov e types of faceshields ma y be with or without chincovers.

2.2 Classes Fac eshields of Type 3 shal l be of ei the r of th e two classesmentioned below :

Class 1 Faceshields for attachment to a full brim helmetGlass 2 Faceshields for attachment to brimless helmet

3 . R E Q U I R E M E N T S

3.1 Genera l Requi rements

3.1.1 Design T h e faceshields covered by this specification shal l bedesi gned to pr ov id e pro tec ti on to th e face ( th at is, th e front of th e he adincludi ng foreh ead, eyes, cheeks, nose, mo ut h, and chin ) an d neck, wh enre qui red , from flying particles and sprays or splashes of haz ar do us liquids,mo lt en me ta l an d slag. Typ e 1 and Ty pe 2 faceshields shall be desi gnedfor comfort an d a re to be wo rn d irectly on th e the user's he ad . T ype 3

shall be designed as an attachment for safety helmets.3.1.2 Materials Mate ri al s used in th e ma nuf ac tu re of faceshields

shall combi ne mec han ica l stren gth a nd lightness of weig ht an d shall benon- ir ri ta ti ng to th e skin. Me ta l par ts shall be corrosi on resistant. Plastics parts shall be of slow-burning type.

3 .2 Spec i f i c Requi rements

3.2.1 Type 1 T h e faceshields shall consist essentially of a hea dg ea r,incl uding an adjustable he ad ba nd and crown ba nd ; a dur abl e tilting visorsuppo rt wit hout cro wn pro tect or; colourless tr ans par ent visor a nd arem ova ble an d repl acea ble sw eat ban d. T h e faceshield shall be similar toFig. 1 and shall comply with the test requirements specified in 4.

3.2.1.1 Headgear T h e faceshield he ad ge ar shall be fabricated ofgood grade vulcanized fibre, acetate butyrate or equal material of at least1.4 mm thickness. He ad ge ar shall consist of a crown ba nd of at least 25 mmwi dth , an adjustable he ad ba nd an d swe atba nd. T h e adjusting devicesshall be ma d e of non- spark ing ma ter ial an d shall hav e no sha rp edges.The design shall be such as to hold the visor and visor support comfortablyan d firm ly in place on th e wea rer 's head , a nd shall pro vid e for tiltingt he visor away from th e face. Adjustab le ba nd s for th e faceshield he ad ge arshall be of th e positive locking typ e of ad equ at e ran ge. T h e he ad ge arshall be adju stab le, wi th ou t th e use of tools, an d shall hold firml y in place

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IS : 8521 ( P a r t I) - 1977

after bein g so adjus ted. T h e crown stra p or ba nd shall be att ach edto, a nd ex ten d bet wee n, t he front an d rea r centres or from th e midd lesides of th e he ad ban d . It shall form an ar c over th e he ad to assist in positioning and holding the headgear in place. All mechanisms andmovements shall be protected so that the wearer's hair cannot catch inth e adjus ting devices. Not less th an the forehe ad por tion of the hea db an dshall be pro vid ed with a remova ble and replace able cushioned swea tban dthat shall be non-irritating and non-toxic.

FI G. 1 FACESHIELD, T Y P E 1 ( WI TH OU T CRO WN PROTECTO R )

3.2.1.2 Visor support The faceshield visor support shall be furnishedwith out a crow n protect or. Visor supp orts shall be ma d e of vulc aniz edfibre, acetate butyrate or equal material at least 1.4 mm thick and designedfor easy rem ov al or re pl ac em en t of visor. Visor supports shall be pro vid edwit h sna p fastener studs or a com bin ati on of sn ap fastener studs wit hothe r suitable ho ld er studs for att ach ing th e visor in a secure ma nn er .Stu ds shall be equ idis tan tly spaced to pr ovi de for ma xi mu m int erc han ge-abi lity. Sup port shall be at tac he d to th e he ad ge ar by friction joints whi chwill pe rm it tilting of th e visor eit her up wa rd to be clear of th e ho ri zonta lvision line or do wn wa rd to a position of ma x im um protect ion wit h

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IS : 8521 (Part I) - 1977

cl ea ra nce for th e nose, an d over eye-glasses or goggles wh en used . T h etensio n of th e tilting me cha ni sm shall be sufficient to ho ld th e visor in upor down position without slippage.

3.2.1.3 Visor Unless oth erw ise specified, eac h faceshield shall befurnished with a colourless, transparent plastics visor conforming to thedime ns ions given be low for the visor size specified. Plastics visors shall besimilar to tha t sho wn in Fig. 2 a nd shall com ply with th e test req uir ements given in 4. T h e facesh ields of Type 1 sha ll be furn ished wi th visorof size A.

FI G. 2 VIS OR, PLASTICS

3.2.1.4 Sweatbands Sweatbands shall be of non-toxic, non-irritating,cushioning mat eri al an d shall be of remo vabl e a nd repla ceabl e type .Sw ea tb an ds shall cover not less tha n th e foreh ead por tion of the he ad ba nd .

3.2.2 Type 2 T h e faceshield s sha ll consist e ssentia lly of a he ad ge ar ,visor support with crown protector, visor and a removable and replaceablesw ea tb an d. T h e faceshields shall be similar to Fig. 3, an d shal l conformto the test re qu ir em en ts given in 4.

3.2.2.1 Headgear T h e faceshield he ad ge ar shall be of th e adjustable positive-locking type and shall be similar to the requirements forType 1 headgear ( 3.2.1.1 ).

3.2.2.2 Visor support The faceshield visor supports shall be furnished wi th a crown prote cto r at least 70 mm wide from the to p o f the visor

Size Number

AB

Dimensions

Width Length cm30.0+2.5

023.0+2.5

0

cm23.0+2.5

015.0+2.5

0

Thickness

Minmm1.0

1.0

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IS : 8521 ( Part I ) - 1977

FI G. 3 FACESHIELD, T Y P E 2 ( W I T H CR OW N PROTECTO R )

support at its maximum width. Crown protector shall be made ofvul cani zed fibre, acet ate but yra te or equa l mate rial , at least 1.4 mm thickan d shall be an in teg ral pa rt of th e visor support. Visor suppor t shall be

provided with snap fas tener studs or a combination of snap fas tener studswith other suitable holder studs for attaching the visor in a secure manner.Studs shall be equidistantly spaced to provide for maximum interchange-ability. Ten si on joints an d tilting mec han is m shall conform to the a pplicable requirements for Type 1 visor supports ( 3.2.1.2 ).

3.2.2.3 Visor Unle ss otherwise specified eac h facesh ield shal l befurnished wit h colourless tr ans par en t visor conforming to sizes men tio nedunder 3.2.1.3. Visor shal l be simi lar to Fig. 2 and shal l comply wi th th etest requirements given in 4.

3.2.2.4 Sweatbands Sw ea tb ands for th e faceshield hea dg ea r shallcomply with the requirements for Type 1 sweatband ( 3.2.1.4 ).

3.2.3 Type 3 The faceshields shall be of the tilting type designed forquick an d easy at ta ch me nt to, an d re mova l from, safety hel met s. Class 1

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IS : 8521 (Part I) - 1977

faceshie lds shall be de signed for att aching to full-brim hel met s an d class 2faceshields shall be suitable for att ac hin g to brimless type helm et. T h efaceshield shall consist essentially of an a tt ac hm en t me ch an ism , anadjustable visor support and a colourless transparent plastics visor.

3.2.3.1 Attachment mechanism T h e device or met hod of atta chm entof the Type 3 faceshield assembly to the safety helmet shall provide a firmsure fit to ensu re prot ectio n an d pe rm it easy rep lac eme nt. Me ta l or

plastics frames shall be provided for holding the assembly to the helmetan d supporting visor. Snap -on atta chm ent s are per mitte d prov ided theassembly is supported by a strap or equal method which will hold thefaceshield securely to helmet and not become accidently detached in use.

3.2.3.2 Class 1 faceshields Class 1 facesh ields shal l be designed forat ta ch in g to safety he lme ts wit h a full br im similar to Fig. 4. At ta ch me ntme ch an is m shall inclu de friction joi nts for ho ld ing the visor a nd p er mi teasy tilting up wa r d so th a t bo tt om of visor is above the hel met bri m.Te ns io n of th e friction jo int s shall be such th at th e visor ca n be he ld in theup or do wn position wit ho ut slipping. T h e faceshield shall be furnishedwi th ou t a cro wn pro tect or; visor size an d thickness shall be as me nti on edunde r 3.2.1.2. T h e faceshield shall be simil ar to Fig. 4 an d shall comp lywith the test requirements given in 4.

3.2.3.3 Class 2 faceshields Class 2 faceshields shall be designed forat ta ch in g to safety caps ( br iml es s with viso r ) simila r to Fig . 5. The yshall inclu de a crow n pro tect or at least 70 mm wid e at ma xi mu m wi dt h.Cr own pro tec tor shall be ma de of vulc aniz ed fibre, acetate bu ty ra teor an equ al ma te ria l at least 1.4 mm thick. Fri ctio n join ts shall com plywith the req ui re me nt s for class 1. Vis or size an d thickness shall be as givenunde r 3.2.1.2. Unless otherw ise specified ( see 5.2 ), class 2 facesh ieldsshall be similar to Fig. 5 an d shall com ply wi th th e test re qu ir em en tsgiven in 4.

3 .3 Spec ia l Vi so rs and Ac ces so r ie s When special or additional visorsare required such as fibre visor, coloured plastics, special sizes or thickness,they shal l be as specified a nd sha ll be designed to fit th e visor suppor t andshall be int er ch an ge ab le wi th clear-plastics visor of th e same man ufa ctu re r.When specified ( see 5.2 ), special accessories such as c hin pr otec tors a ndwider crown protectors for Type 2 and Type 3, Class 2 shall be furnished.

3 .4 In t e r changeab i l i t y All parts hav ing the same manu fact urer 's pa rtnumber shall be directly and completely interchangeable with each other

with respect to installation and performance.3 .5 Mark ing Ea ch he ad ge ar , plastics visor, or att ac hm en t shall be

permanent ly and legib ly mar ked whereby the manufacturer may be readilyident ified . Plastics visors sha ll also be ma rk ed with the ir thickness to th enea res t 0.1 mm an d colou red visor for glar e pro tect ion shall be ar t he

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IS : 8521 ( P a r t I) - 1977

FI G. 4 FACESH IELD, T Y P E 3, CLASS 1

( WITH ATTACHMENT TO SAFETY HELMET, FULL BRIM )

shad e num ber designati on. Addi tion al marki ng, wh en require d, shall be asspecified ( see 5.2 ).

3 . 6 Wo r k m a n s h i p Wo rk ma ns hi p shall be such th at all faceshieldsfurni shed shal l be free from any defects whi ch migh t affect ap pe ar an ce ,functionability, or serviceability.

4. TESTS

4. 1 Vi s u a l a n d D i m e n s i o n a l E x a m i n a t i o n Eac h of th e samp leshields selected shall be visually and dimensionally examined to verifycom pli anc e wit h this specification. Any sh ield in the sampl e con tai nin gone or mo re visual or dimen siona l defects shall not be tak en for further

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IS : 8521 (Part I) - 1977

tests an d if the nu mb er of defective shields in any sample exceeds 2.5 pe rcen t of the s amp le size, thi s sha ll be th e cause for reject ion of th e lotrepresented by the sample.

FI G. 5 FACESH IELD, T Y P E 3, CLASS 2( WITH ATTACHMENT TO SAFETY HELMET, BRIMLESS )

4 .2 Phys i ca l Re qu i r em en t s Two faceshields from the sample shall beselec ted at r and om an d tes ted as given bel ow. Fo r tests on faceshields ofT y p e 3, th e latter shall be at ta ch ed to the appli cab le hel met s an d th entes ted . Fai lur e of eit he r faceshield to mee t any of tests given b elow shall

be the cause for rejection of the entire lo t.

4.2.1 Impact Resistance Mo unt the faceshield on a hol de r consistingof a st an da rd wo od en he ad form, size 7, mo un te d vertically on a w oo de nsupport fastened securely to a bas e. Do this so th at th e he a db an d fitssnugly ar ou nd th e per iph ery of the base of the he ad a n d t he crown stra p

is in contact with th e crown port ion of th e he ad . Provi de an add iti ona lsupp ortin g block, app rox imat ely 2 5 mm wid e an d curved to conform to thesh ap e of th e plastics visor, as a suppor t for th e visor at its lower en d or , ifthe faceshield is provided with a chin rest, as a support under the chin rest.T h e faceshield will th en rest in a position such th at th e axis of th e

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IS : 8521 ( Par t I ) - 1977

cyli ndric al visor is hor izo nta l an d th e oute r surfa ce of the visor is upp ermost. Ma ke the impa ct test at roo m te mpe rat ure ( 2 0 to 30 C ) u nde rno rm al hum id it y conditions . Dr op freely from a hei ght of 1 me tr e on toth e apex of th e visor at a poin t approx imat el y 8 cm below the to p edg e of

the visor, a 22.5 mm diameter steel ball, weighing approximately 50 g.T h e visor shall not be fracture d nor sep ara te d no r re mov ed from any of its points of f astening to the headgear by t he impact of t he st eel ball.

4.2.2 Penetration Resistance Mo un t th e faceshield in the m an ne r described in 4.2.1 a nd test unde r similar conditi ons. D ro p freely a poi nte d

projectile of suitable size, cons is ting of a new sewing machine needlenu mb er , 135 17, size 25, fastened into a hol der, weig hing app rox im at el y50 g, need le point do wn wa rd , from a hei ght of 1 me tr e on to th e ape x ofth e visor at a poin t app rox im at ely 8 cm bel ow the top edge of th e visor.T h e projectile m ay be gui ded , bu t not restri cted, in its fall by dro ppi ng itth ro ug h th e tube e xte ndi ng to wit hin appr oxi mat ely 10 cm of the faceshieldvisor. T h e visor shall not be fractu red no r pier ced thr oug h by th e im pa ctof the projectile.

4.2.3 Visible Transmittance De te rm in e the tota l visible ( lumi nous )tr ans mi tt anc e of clear or colour ed visors by any s ta nd ar d me th od . Clearvisors shall tr ansm it no t less than 85 per cent of th e incid ent visiblera di at io n. Colo ured visors shall tra nsm it as follows:

Shade Percent Transmittance

Light 50 7Me di um 23 6Dark 14 6

4.2.4 Flammability Inse rt one end of a 13 cm 1.2 cm s trip of th ema te ri al in a blue-f lame Bunsen bu rn er . Inc li ne t he strip at 45 with th e13 cm longi tudi nal axis hori zont al. T h e bur ne r fla me shall be 20 mmhig h. After 30 seconds, remo ve th e bu rn er from the strip an d allow th estrip to burn . Me as ur e th e ra te of bur nin g. T he clear or coloured plasticsvisor shall burn at a rate not greater than 8 cm per minute.

4.2.5 Disinfection All faceshield mat eri al s sha ll be such as to wit hsta nd, wit hout visible dete rior ati on, was hing in d eterg ents an d wa rm wate r,rins ing to re move all t races of det erg ent , a nd disinfection by one of thefollowing methods:

a) Im me rs io n for 10 minute s in a solution of formal in ma de by placing one par t of 40 percent formaldehyde solut ion in 9 partsof wa te r at ro om te mp er at ur e ( 25C );

b) Subjection to a moi st a tmosphere of formaldehyde for a periodof 10 minutes at room temperature ( 25C ); and

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IS : 8521 ( Part I ) - 1977

c) Immersion for 10 minutes in a solution of modified phenolics,hypochlorite, or quaternary ammonium compounds in strengthspecified by the manufacturer at room temperature ( 25C ).

5. PACKING AND MARKING

5.1 Faceshields and accessories shall be packed in a manner which shallensure safe delivery at destination.

5.2 The containers shall be marked with at least the following information:a) Name and type of faceshield,

b) Special visors for Type 1, Type 2 or Type 3, Class 2 if provided,

andc) Special visors or accessories, if provided ( see 3.3 ).

5.2.1 The faceshields may also be marked with the ISI CertificationMark.

N O T E The use of the ISI Cert ifica ti on Mark is governed by the provisions ofthe In di an Stan dard s Inst ituti on (Certi ficatio n Ma rk s) Act an d the Rules an dRegul ations ma de the reu nde r. Th e ISI Ma rk on products covered by an In di anSt anda rd conveys the a ssu ranc e t hat they hav e been pr oduced to com ply with therequirements of that standard under a well-defined system of inspection, testing andquality control which is devised and supervised by ISI and operated by the producer.ISI marked products are also continuously checked by ISI for conformity to thatst an da rd as a further safeguard. Det ails of conditions under which a licence for theuse of the IS I Certification Ma rk m ay be grant ed to manufactu rer s or processors,may be obtained from the Indian Standards Institution.

6. SAMPLING

6.1 Lot All faceshields of the same type, class, and size presented at onetime shall be considered a lot for the purpose of inspection.

6.2 Sample Size The number of faceshields to be selected for a lotshall depend on the size of the lot and shall be as given below:

Lot Size

Up to 5051 100

101 300301 500501 800

801 1 3001 301 3 2003 201 and above

Sample Size

All5075

150225

300450750

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13


MembersSHRI K. N. BHATTACHARYA

SHRI N. K. SARAN ( Alternate )SHRI N. C. BRAHMA

SHRI A. DAS GUPTASHRI B. DA S G U P TA ( Alternate )

DR A. K. GH OS H

SHRI P. R. ROY ( Alternate )SH RI P. P. JA IN

SHRI A. P. AGARWALA ( Alternate )SHRI S. S. MAZUMDAR

RepresentingThe Safety First Association of India (Bihar

Branch ), Jamshedpur

Ind ian Che mica l Man ufa ctu rer s' Association,Calcutta

Adigee Industries, Calcutta

Central Mining Research Station ( C S I R ) ,Dhanbad

Mines Service Corporation, Asansol

Indian Oxygen Ltd, CalcuttaSHRI K. C. KARMARKAR ( Alternate )

SHRI I . N. MURTY Chief Controllerate of Explosives, NagpurSHRI CHARANJIT LAL ( Alternate )DR M. PANCHOLYSHRI C. PEREIRA

National Ph ys ical Lab ora to ry ( CSIR ), New De lh iJoseph Leslie & Co, Bombay

SHRIMATI C. L E S L I E ROY ( Alternate )SHRI S. G. RANADE

SHRI GAUTAM V. SHAHSHRI J. V. SHAH ( Alternate )

SHRI S. D. S HR OF FSHRI LAL SAJNANI ( Alternate )

SHRI D. K. SIR KARSHRI A. C. SRIVA STAVA

SHRI R. L. ARORA ( Alternate )COL SUKHDEV SINGH

SHRI N. RAGHAVAN ( Alternate )SHRI P. R. SURENDR ANA THAN

SHRI K. C. G U P TA ( Alternate )SHRI FRANCIS LES LIE VAZ

Directo rate Gene ral of O rd na nc e Factories( Ministry of Defence ), Calcutta

Safety Equipment Corporation, Bombay

Pradeep Safety Pvt Ltd, Bombay

Synthetics and Chemicals Ltd, BareillyDirectorate General of Mines Safety, Dhanbad

National Safety Co un ci l, Bombay

Directorate General, Factory Advice Service andLabour Ins tit ute s ( Mini stry of Labo ur ),Bombay

Francis Leslie & Co, BombaySHRI HEATHCLIFF VAZ ( Alternate )

Panel for Faceshields, ISAC/S-2:P3

Convener

SHR I D. M . DH AR

Members

SHRI K. C. GU PT A

Durgapur Steel Plant, Durgapur

Dire ctor ate Gen era l, Factory Advice Service andLabour Instit utes ( Minis try of Labo ur ),Bombay

SHRI M. K. MALHOTRA ( Alternate )


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IS : 8521 ( Part I ) - 1977


MembersSHR I P. P. JA IN

SHRI A. P. A GAR WAL ASHRI FIDA HUSAIN MAKATI

SHRI TAIYABADISHRI B. K. P AN DEY

DR K. P. SRIVAS TAVASHRI C. P ER EI RASHRI HEATHCLIFF VAZ

SHRI FRANCIS LES LI E

RepresentingMines Service Corporation, Asansol

( Alternate )Fida Traders, Bombay

MAKATI ( Alternate )Gene ral Glass & Ceramic Research Inst itu te

( CSIR ), Calcutta( Alternate )

Joseph Leslie & Co, BombayFrancis Leslie & Co, Bombay

VA Z ( Alternate )

14

Documents

is.8521.1.1977