IS 8521 (Part 2): Industrial Safety Faceshields--Specification, Part 2: With-Wire-Mesh Visor

12 Pages·1994·2.1 MB·English

by  Bureau of Indian Standards (BIS)

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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.
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“The Right to Information, The Right to Live” “Step Out From the Old to the New”
IS 8521 (Part 2) (1994, Reaffirmed 2009): Industrial Safety
Faceshields--Specification, Part 2: With-Wire-Mesh Visor.
UDC 614.893.6.614 : 838.442
“!ान $ एक न’ भारत का +नम-ण”
Satyanarayan Gangaram Pitroda
““IInnvveenntt aa NNeeww IInnddiiaa UUssiinngg KKnnoowwlleeddggee””
“!ान एक ऐसा खजाना > जो कभी च0राया नहB जा सकता हहहहै””ै”
Bhartṛhari—Nītiśatakam
“Knowledge is such a treasure which cannot be stolen”

15S521 (pjart'~ ) :199,4
REAFFIRMeD
Indian Standard
INDUSTRIALStXFETY FA'CESHIELDS -
..... SPECIFICATION
PART 2 WITH WIRE~MESHVISOR
UDC .6J4-893·6·614 :838'442
(C) BIS 1994
BU>R.~AU OF INDIAiN S.TANDARDS
MANA~ BH1\VA"N", 9 BAHADURSHAHZAFAR MARG
NEW DELHI·· 110002
February 1994 Price Group 3
Industrial'Safety Sectional Committee, CHD 008
FOREWORD
This standard was adopted by the Bureau of Indian Standards, after the draft finalized by the Industrial
Safety Sectional Committee had been approved by the Chemical Division Council.
IS 8521 ( Part 1 ) : 1977 'Specification for industrial faceshield: Part 1 With plastic visor' is meant for
use by industrial workers in tool working operations against chips and saw dust, in metal machining
operation against flying particles, in buffing, polishing and grinding operation where particles may
strike the face, in spot welding and in handling of corrosive materials. The industrial safety faceshields
( with wire mesh visor) covered by this standard may be used to protect face against heat and glare
from the furnaces and wherever heated material is handled.
In the preparation of this standard, assistance has been taken from the ANSI Z-87.1-1984 'Practice for
occupational and educational eye and face protection', published by the American National Standards
Institute, USA.
The composition of the committee responsible for formulation of this standard is given at Annex A.
For the purpose of deciding whether a particular requirement of this standard is complied with, the
final value, observed or calculated, expressing the result of a test or analysis, shall be rounded off in
accordance with IS 2: 1960 'Rules for rounding off numerical values (revised)'. The number of
significant places retained in the rounded off value shall be the same as that of the specified value III this
standard.
IS 8521 ( Part 2 ) : 1994
Indian Standard
INDUSTRIAL SAFETY F ACESHIELDS
SPECIFICATION
PART 2 WITH WIRE-MESH VISOR
1 SCOPE wire-mesh shall be made out of wire of 0·5 mm
diameter.
This standard prescribes requirements for indus
trial faceshields with wire mesh visor used for 5 REQUIREMENTS
protection of the face against heat and glare
during furnace operations and operations 5.1 Design
involving hot material, molten metal and slags,
and their methods of test and sampling. The faceshields shall be designed to provide
protection to the face (that is, the front of
2 REFERENCES the head including forehead, eyes, cheeks, nose,
mouth and chin) and neck, when required,
2.1 The following Indian Standard is necessary
from heat and glare during furnace operations
adjunct to this standard:
and handing of hot materials, molten metal and
IS No. Title slags. Both Type 1 and Type 2 faceshields shall
be designed for comfort and shall be worn
4905 : 1968 Method for random sampling directly on the user's head.
3 CLASSIFICATION The faceshields of both the types shall consist
essentially of a headgear including an adjustable
The faceshie Ids shall be of two types depending
upon the size of the visor as mentioned below: h.ead-band and crown band, a durable tilting
Vlsor support with or without crown protector,
Type 1 - Faceshields with visor size of metal wire-mesh visor and a removable and
230 mm in width and 230 mm in replaceable sweatband. The faceshield shall be
length, and similar to Fig. 1 and shall also comply with the
test requirements specified in 5.4.
Type 2 - Faceshields with visor size of
305 mm in width and 230 mm in 5.1.1 Headgear
length.
The design of the headgear shall be such as to
4 MATERIALS hold the vis.or and visor support comfortably
and firmly III place on the wearer's head, and
4.1 Materials used in the manufacture of face
shall have provision for tilting the visor away
shields shall be non-magnetic, heat resistant
from the face. Adjustable bands of the face
and shall have mechanica 1 strength and light
shield headgear shall be of the positive locking
ness of weight. The materials shall also be non
type of adequate range and adjustable at back
irritating to the skin.
and top with the help of rat chat or wing nut
4.2 The headgear of the faceshield shall be arrangement. The headgear shall be adjustable
fabricated of suitable heat resistant materials of without the use of tools and shall hold firmly in
at least 1'4 mm thickness. Headgear shall pJace after being so adjusted. The crown strap
consist of a crown band of at least 25 mm or band shall be attached to, and extended
width, an adjustable head-band and sweatband. between, the front and rear centres or from the
The adjustable devices shall be made of n011- middle sides of the headband. It shall form an
sparking heat resistant material capable of arch over the head to assist in positioning and
withstanding temperatures up to 150°C without holding the headgear in place. All mechanisms
getting deformed and sha1l have no sharp and movements shall be protected so that the
edges. we~rer's hair cannot catch in the adjusting
deVIces. Not less than the forehead portion of
4.3 Visor shall be manufactured in the fOlm of the headband shall be provided with a remova
plain weave type wire mesh with stainless steel ble and replaceable cushioned sweatband that
or other such non-magnetic materials~ The shall be non-irritating and non-toxic.
IS 8521 ( Part 2 ) : 1994
FIG. 1 FACESHIELDS WITH WIRE-MESH VISOR
5.1.2 Visor Support goggles when used. The tension of the tilting
mechanism shall be sufficient to hold the visor
The faceshield visor support shall be furnished in up or down position without slippage.
with or without a crown protector as agreed
5.1.3 Visor
to. between the purchaser and the supplier.
VIsor support shall be made of suitable heat The wiremesh visor shall be made of stainless
resistant materials of at least 1·4 mm thickness steel wire and weaving area between the wires
and designed for easy removal or replacement shall be 1 mm2. Edges of wire-mesh of the visor
of visor. Visor supports shall be provided with shall be covered on all sides with soft aluminium
snap fastener studs or a combination of snap sheet of 10 mm width and minimum 0'5 mm
fastener studs with other suitable holder studs thickness. The upper side of the visor shall also
for attaching the visor in a secured manner. be covered with soft aluminium sheet of mini
Studs shall be equidistantly spaced to provide mum O' 5 mm thickness and 20 mm width. The
for maximum interchangeability. Support shall aluminium sheet shall be ri vetted to the visor
be attached to the headgear by friction joints with suitable material. Bottom corners and
whlch permit tilting of the visor either upward sharp edges shall be rounded off. The wire.mesh
to be clear of the horizontal vision line or down visor shall be similar to that shown in Fig. 2
ward to a position of maximum protection with and shall also comply with the test requirements
clearance for the nose, and over eye-glasses or given in 5.4.
FIG. 2 VISOR, WIRE-MESH
2
IS 8521 ( Part 2 ): 1994
5.1.4 Srveatbands b) Name and type of faceshield;
Sweatbands shall be of non-toxic, non-irritating, c) Special visors or accessories, if provided;
cushioning material and shaH be of removable d) Date of manufacture; and
and replaceable type. Sweatbands shall cover e) Batch/Code number.
not less than the forehead portion of the
headband. 6.3 Instructions regarding the use of disin.
fection and maintenance of the equipment shall
5.2 Workmanship
be provided by the manufacturers in an un
ambiguous manner along with each faceshield.
Workmanship shall be such that all faceshields
shall be free from any defects which might
7 SAMPLING
affect appearance, functionability, and service
ability. 7.1 Lot
5.3 Interchangeability All faceshie Ids of the same type, class, and si:ze
All parts having the same manufacturer's part manufactured from the same material under
number shall be directly and completely inter~ similar conditions of production shall be
changeable with respect to instailation and grouped together to constitute a lot.
performance.
7.2 Sample Size
5.4 Disinfection Test
The number of faceshields to be selected from
5.4.1 All faceshield materials shall be such as each lot shall depend upon the size of the lot
to withstand, without visible deterioration and and shall be in accordance with Table 1.
corrosion, washing in detergent and warm
water; rinsing to remove all traces of detergent; Table 1 Scale of Sampling
and disinfection by one or more of the following
methods:
Lot Size Sample Size Acceptance
Number
a) Immersion for 10 minutes in a solution
of formalin made by mixing one part of (1) (2) (3)
40 percent formaldehyde solution with
Up to 100 20
9 parts of water at room temperature
101 to 150 32 2
( 27 ± 2°e );
151 to 300 50 3
b) Subjection to a moist atmosphere of
301 to 500 80 5
formaldehyde of 90 percent humidity for
501 to J 000 125 7
a period of iO minutes at room tempera
ture ( 27 ± 2°e ); and 1 001 to 3 000 200 10
3 001 and above 315 14
c) Immersion for 10 minutes in a solution
of modified phenolics, hypochlorite, or
quaternary ammonium compounds in 7.2.1 These faceshields in the sample shall be
strength specified by the manufacturer at selected from the lot at random. For this
room temperature ( 27 ± 2°C ). purpose reference may be made to IS 4905 :
1968.
6 PACKING, MARKING AND
INSTRUCTIONS FOR USE 7.3 Each of the faceshields selected in the
sample shall be subjected to the test mentioned
6.1 Faceshields and accessories shall be packed
in the standard. A facesield failing to meet
in a manner which shall ensure safe delivery at
anyone or more of the requirements of the
destination.
standard shall be considered as defective. The
6.2 The containers shall be marked with at lot shall be considered as conforming to the
least the following information: requirements of this standard jf nu mber of
defectives found in the sample is less than or
a) Identification of the source of manu equal to the corresponding acceptance number
facture; given in column 3 of Table 1.
3
IS 8521 ( Part 2 ) : 1994
ANNEX A
( Foreword)
COMMITTEE COMPOSITION
Composition of Industrial Safety Sectional Committee, CRO 008
Chairman Representing
SHRI K. C. GUPT A National Safety Council, Bombay
Members
SHR! PREM BA WEJ A Hindustan Aeronautics Limited, Bangalore
SHRI B. VIJAY KUMAR ( Alternate)
SHRI BRAGW ATI PRASAD Employees State Insurance Corporation, Calcutta
SHRI SATISH CRANDEll. ( Alterna te )
DR S. C. CRA WLA Directorate General of Technical Development, New Delhi
SHm M. K. BANERJEE (Alternate)
SHRI P. K. CHATTERJEE Defence Institute of Fire Research, New Delhi
SHRI H. S. KAPRAW AN ( Alternate)
DIBEUl'OR ( MINES SAl!'ETY ) Directorate General of Mines Safety, Dhanbad
SHRI A. K. RUDRA \ Alternate)
SHRI H. S. GAHLAUT Institute of Fire Engineers ( India ), New Delhi
SHRI B. R. MEHT A ( Alternate)
SHIt! V. K. GOEL Central Boiler Board, New Delhi
SHR! M. L. AHUJA ( Alternate)
SHRI S. P. GOENKA Mining, GeOlogical and Metallurgical Institute of India, Calcutta
SHRI N. DUT'.l'A (Alternate)
SHRI M. KANT Safety Appliances Manufacturers Association, Calcutta
SHRI KraIT MARU ( Alternate)
DRJ. MAHAPATRA Standing Committee on Safety for Steel Industries, Ranchi
SHRI M. K. MALHOTRA Directorate General, Factory Advice Services and Labour Institute,
Bombay
SHRI H. N. MIRASHI Factory Inspectorate, Government of Maharashtra, Bombay
DR H. MUKHERJEE Chief Controller of Explosives, Nagpur
SHRI C. M. SHARMA (Alternate)
SHRI R. N. MUKHERJEE Central Mining Research Station, Dhanbad
SImI A. BANERJEE ( Alternate)
SImI S. K. MUKHERJI Standing Fire Advisory Council, New Delhi
SHRI A. K. GHOSH ( Alternate)
SHRI P. S. PRUTHI Indian Pesticide Association, New Delhi
SnRI SURESH KAPooR (Alternate)
SHRI P. RAJENDRAN Directorate <?eneral, Civil Aviation ( National Airport Authority),
New DelhI
SHRI H. S. RAW AT ( Alternate
SHRI A. RAMAMURTHY Rhabha Atomic Research Centre, Bombay
SHRI K. RAVICHANDRA M:nistry of Petroleum and Natural Gas (Oil Industries Safety
Directorate), New Delhi
SHEI M. SRIVASTVA (Alternate)
SHEI A. J. REGO National Safety Council, Bombay
SHRI A. K. CHATTERJEE ( Alternate)
SHRI M. R. SAMPATH Indian Cotton Mills Federation, Bombay
SHRI O. N. DAGA (Altemate )
SHRI SURENDltA KUMAR Indian Chemical Manufacturers Association, Calcutta
SHRI R. P ARTHASARTHY (Alternate)
REPRESENTATIVE Central Leather Research Institute, Madras
REPRESENT ATIVE Confederation of Indian IndustIies, New Delhi
REPRESENTATIVE Indian Space Research Organization, Government of India
( Department of Space), Andhra Pradesh
REPRESENT ATIVE National Institute of Occupationa 1 Health, Ahmedabad
DR R. K. SINGH, Director General, BIS ( EX-Qlficio Member)
Director (Chemicals)
Member-Secretary
SHRI P. MUKHOPADHYAY
Joint Director ( Chemicals)
( Continued on page 5 )
4
IS 8521 ( Part 2.) : 1994
( Continuedfrom page 4 )
Composition of Personal Protective Equipment ( Non-Respirators)
Subcommittee, CHD 08 : 02
Convener Representing
SHRI M. K. MALHOTRA Directorate General, Factory Advice Services and Labour Institute
Bombay
Members
SHUlj.CHAKRABORTY Steel Authority of India Ltd ( Durgapur Steel Plant ), Durgapur
SHRI R. K. POOJ ARI ( Alternate)
SHUI M. KANT Safety Services, Bombay
SHIll KAMLESH DAND (Alternate)
SHUI G. B. MEHTA Century Rayon, Kalyan
SHUI R. N. MUKHERJEE Central Mining Research Station, Dhanbad
DR S. RAHUT National Test House, Calcutta
DRJOGESH NIJHAWAN (Alternate)
SHR! HEATHCLIFF V AZ Francis Leslie, Bombay
SMT Z:&.EN A V AZ ( Alternate)
REPRESENTATIVE Office of the Development Commissioner, New Delhi
REPRESENT ATIVE Bharat Hea vy Electrical Ltd, Trichi