( Reaffirmed 2002 ) Indian Standard SPECIFICATION FOR DRAWING FILING EQUIPMENT (Second Revision ) UDC 684-455-5 : 74482 0 BIS 1993 BUREAU OF INDIAN STANDARDS MANAK BHAVAN, 9 BAHADUR SHAH ZAFAR MARG NEW DELHI 110002 December 1993 Price Group 6 Furniture Sectional Committee, CED 35 FOREWORD This Indian Standard (Second Revision) was adopted by the Bureau of Indian Standards, after the draft finalized by the Furniture Sectional Committee had been approved by the Civil Engineering Division Council. This standard was first published ing changes have been effected: in 1964 and subsequently revised in 1974. In this revision, the follow- 1) Referred Indian Standards have been updated. 2) Inclusion of performance requirement of finish for steel and wood. In the formulation of this standard due weightage has been given to international co-ordination among the standards and practices prevailing in different countries in addition to relating it to the practices in the field in this country. The committee responsible for the preparation of this standard is given in Annex C. 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 should be the same as that of the specified value in this standard. IS 2695 : 1993 Indian Standard SPECIFICATION FOR DRAWINGFILINGEQUIPMENT (Second Revision / I SCOPE 1.1. This standard lays down dimensional and other requirements of drawing filing equipment, such as plan chests, vertical filing equipment, lateral filing equipment for small drawings and roll sles for large drawings. 3.4.2 Suspension by Pressure Equipment in which drawings may be filed by suspending them in space provided in the cabinets and holding them in position by pressure. Access for filing or removing drawings is provided from the top or from the front of the cabinet. 4 MATERIAL 4.1 Material used in the manufacture of drawing filing equipment shall conform to those given m 4.1.1 to 4.1.6. Materials other than those specified in 4.1.1 to 4.1.6 may be used if SC agreed between the purchaser and the manufacturer. 4.1.1 Wood It shall conform to the requirements in 2 of IS 4116 : 1988. 4.1.2 Mild Steel Sheets Mild steel sheets shall conform to Grade 0 of IS 1079 : 1988 or Grade 0 of IS 513 : 1986. 4.1.3 Mild Steel Angles 2 REFERENCES 2.1 The Indian Standards given in Annex A are rleccssary adjuncts to this standard. 3 TERMINOLOGY 3.0 For the purpose of this following definitions shall apply. standard the 3.1 Lateral Filing Equipment for Small Drawings Filing equipment consisting of rails carrying pockets suspended by carrier bars which slide along the rails so that the pockets may be spread out to facilitate filing and removal of drawings. Drawings are contained in separate folders which slide into the pockets. 3.2 Plan Chests Cabinets specified cd,ntaining drawers which slide horizontally and hold the drawings in a horizontal position and consist of plinth or leg stand, drawer sect'nns and a top. 3.3 Roll Files for Large Drawings Mild steel for hot rolled angle sections shall conform to IS 1977 : 1975. Hot rolled mild steel angles shall conform to IS 808 : 1989. Angle and channel sections may also be cold formed from steel strip, conforming to IS 513 : 1986. 4.1.4 Electrodes Electrodes for gas, arc and spot welding shall conform to IS 1278 : 1972, IS 814 : 1991 and IS 4972 : 1968 respectively. 4.1.5 Screws Screws shall conform IS 1365 : 1978. 4.1.6 Adhesives Adhesives used for joining shall conform to IS 849 : 1957, IS 851 : 1978, IS 852 : 1969 or IS 4835 : 1979. 4.2 Pockets for lateral filing of drawings shall be made of durable material. 1 Cabinets or racks containing tubes or pigeonholes in which rolled drawings may be filed Cabinets consist of a plinth, horizontally. sect;cns containing tubes, or pigeon-holes and a lop. 3.4 Vertical Filing Equipment 3.4.1 Suspension by Pins or Prongs to IS 6760 : 1972 01 Cabinets in which drawings may be filed by suspending them by their top edges from pins or prongs. The suspending edges of drawing sheets are stiffened by attaching a reinforcing strip in which holes are punched to receive the pins or prongs. Access for filing or removing drawing is provided from the top or from the front of the cabinet. IS2699:1993 5 PLAN CHESTS 5.0 General 5.2.2.2 Suspension a 1 Wooden drawers - Wooden drawers shall be suspended in a such a way that they slide easily and smoothly when fully loaded ( see Fig. 14 ). shall be b) S tee1 drawers - Steel drawers suspended by channels or slides and when fully loaded, slide easily and smoothly on cantilever slides which may be provided to enable the drawers to beopened to the full extent ( see Fig. 1B ). 5.2.2.3 Handles Plan chests are used for horizontal filing of drawings of sizes AQ and Al ( see Annex B, Fig. 1A and 1B ). 5.1 Dimensions 5.1.1 PIan Chests The overall height and depth ( back to front) plan chests shall be as follows: of a) Overall height from floor including plinth or leg stand ( see Note ) b) Overall width 900 mm When specified, the dividers may be fitted within the drawers to accommodate drawings of diffec) Depth ( back to front ) rent sizes. The fixing of the dividers shall be such that the drawings do not slip under them or get NOTE - The plan chests may have maximum overall height of 1400 mm from floor including Dlinth or 1e.g damaged while they are being removed. stand where the upper drawers frequent reference purposes. are not to be used foi To suit the size of drawings being filed ( see Annex B) 950 mm Suiiable means, such as handles shall be provided to allow the drawers to be easily opened without injury to the fingers. 5.2.2.4 Dividers 5.2.2.5 Card holder shall be Card holder of the largest size which accommodated shall be provided. 5.2.2.6 Locks Locks, IC necessary, may be provided. can be 5.1.2 Drawers The internal dimensions of the drawers as given in Table 1. 5.1.3 Plinth height than 75 mm. of chests shall be not less Table 1 Internal Dimensions of Drawers ( Clause 5.1.2 ) All dimensions in millimetres. Width Height Deptb Min r--h--7 ( Back to A4ax Min (1) 841 x 1 189 594 x 841 (2) 900 650 (3) 1 250 900 (4) 25 25 (5) 100 100 5.2.3 Plinths and Leg Stands The plinth or leg stands shall be flush with the back and sides and recessed at the front. Leg stands when provided shall be of a sufficiently large section in order not to damage the floor and shall be provided with rubber pads to prevent cabinets from slipping in normal use. 5.2.4 Top The top shall be flush with the sides and back, and all sharp corners shall be rounded. 5.2.5 Flaps and Hoods A hinged or weighted flap shall be provided to prevent curling of the drawings, at the front of the drawer. extending for not less than 100 mm from the back of the drawer shall be provided to prevent curling of the drawings ( see Fig. 1A ). 5.2.7 The plinth or leg stand, drawer section and top shall be secured to one another at the back and front. 2 5.2.6 Hoods fixed to each drawer 5.2 Construction 5.2.1 The chests shall be rigidly constructed and provided a firm and adequately supported top surface which will not deflect under normal use and restrict the free movement of the drawers. 5.2.2 Drawers 5.2.2.1 General The drawers shall open and close easily and .smoothly when fully loaded. Each drawers shall be removable but shall be fitted with a stop to prevent inadvertent withdrawal. The stops sha!l be so positioued that the front of the hood IS visible when the drawer is opened. 1250 MIN INTERNAL DIMENSION OF DRAWER 900 T-j MIN INTERNAL DIMENSION `I ELEVAT!ON P-X BACK I I.-.1 `k36aER ~?AD PLAhK `\ licv LFG STAF!D', 4 S E C T I 0 F,! X X 75 MIN SECTION ! ,. VY `bLASTiC OR METAL ROLLER (MOSTLY USE3 FOR HEAVY DRAWERS) ENLARGED DETAIL OF DRAWER All ENLARGED DETAIL `A' SHOWING FIXING OF ROLLER dimensions IA in millimetres. Timber BALL BEARING PLATED HANDLE "CHROMIUM LABEL PLATED HOLDER _Y-75mm MIN PLINTH 16 FIG. 1 Steel TYPICAL PLAN CHESTS FILING CABINET 3 -IS 2695 : 1993 6 VERTICAL FILING EQUIPMENT 6.0 General Vertical files are used for filing drawings of sizes AO, Al, A2 and A3 ( see Annex B and Fig. 2 ). 6.1 Dimensions 6.1 .l The dimensions of the cabinets for vertical filing of drawings shall be such that it is possible to accommodate drawings with ample clearance. Filing shall be arranged in the manner as given in Table 2. Table 2 Vertical Filing in millimetres. When Drawings are Held by Compression Pressure (3) File with 1 189 edge horizontal File with 594 edge horizontal File with 420 or 594 edge horizontal File with 297 or 420 edge horizontal 6.2.4.1 In lid opening cabinets, a device shall be fixed to guard against the inadvertent falling of the lid. 6.2.5 In drawer shall open and loaded. Suitable the cabinets shall fingers. type of cabinets, the drawers close easily even when fullymeans for closing and opening be provided without injury to 6.3 A card holder of minimum size 100 x 50 mm shall be provided. 7 LATERAL FILING EQUIPMENT 7.0 General It covers equipment for lateral filing of dratvings of sizes A4 and A5 ( see Annex B ). 7.1 Dimensions 7.1.1 The maximum overall dimensions of three types of such filing cabinets shall be as given in Table 3. NOTE - The minimum clearances required for the filing cabinets to be put into recesses or openings, where required, shall be as follows: a) For top of cabinet b) For each side of cabinet 20 11117 All dimensions DgizF When Drawings are Suspended on Pins or Prongs (2) Suspended from 1 189 edge Susrsr$e~ from g Suspended from 420 or 594 edge Suspended from 297 or 420 edge (1) 841 x 1 189 594 x 841 420 :: 594 291 j 420 IO n:rn 2 mm c) For depth of cabinet 6.1.2 Drawings together of various sizes may be filed in this type of equipment. Table 3 Maximum Overall Dimensions of Piling Cabinets All dimensions Dimensions E. 6.2 Construction of the units shall be such that the cabinet is stable when fully loaded and in all working positions. 6.2.2 Pins or prongs shall be of such a material that their shape and position are maintained conditions and all the under fully-loaded drawings are properly supported by them at all working positions. 6.2.2.1 Pins or prongs may be of single pattern ( see Fig. 2 and Fig. 2A ) or double pattern ( see Fig. 2B ). 6.2.3 The minimum space between the ends of the pins or prongs when positioned for filing or removing drawings shall be 40 mm. 6.2.3.1 Access shall be provided at the front the cabinet to retrieve fallen drawings. of 6.2.1 The construction in millimetres. TwoDrawer Type (3) TbreeDrawer Type (4) 1 080 FWlr- (11 i) (2) Overall height finished floor to top of the net including stal Depth from back Width from level cabipedeto Drawer Type !5) 750 1 5?3 ii) iii) face 700 470 700 470 7s;o <,iO 7.1.2 Drawer Dinlensions The minimum clear internal dimensions cf the drawers for all the three types shall be suitable for holding suspension holders ( see 7.1.3 ) running on cradle strips having centre-to-centre distance of 385 mm, the height of the largest holder being 225 mm. 7.1.3 The dimensions of the folders and succen.sion holders shall be as given in Table 4. 4 6.2.4 In case of front opening cabinets, stops and springs shall be provided to assist closing. A stop shall also be provided to limit the maximum amount of opening. LA PRE-PUNCHED ADHESIVE HOLDER (FOR SINGLE PRONG PATTERN) 28 PRE-PUNCHED ADHESIVE HOLDER (FOR DOUBLE PRONG PATTERN) `-SUPPORT k DRAWING SHEETS SIZES A0 TO A3 OPENING TO TAKE OU: THE Fjl_I .EN CRAV:lYGS l' FIG. 2 Table 4 TYPICAL VERTICAL PLAN FILING CABINBT( SINGLE PRONG PATTERN) Dimensions of Folders and Suspension Holders 7.1.4 The dimensions specified in 7.1.1 shall not vary by more than f 5 mm. ( Clause 7.1.3 ) All dimensions Drawing Size in millimeters. Suspension Holder Folder $-__--_h--_ c-__.L--7 Distance Folded Folder Front from Edge Edge Edge Underside of Cradle Strip to Fold (2) 215 155 (3) 310 220 (4) 230 170 (5) 325 240 7.2 Construction The metal filing cabinets shall be fabricated accordance with IS 3313 : 1983. 7.3 Housing of Equipment 7.3.1 When fitted into a cupboard or rack, it is recommended that the full length of the cradle strips be accessible for filing ( see Fig. 3 ). in (1) 210 :: 297 148 x 210 7.3.2 The plinth shall be not less than 75 mm. 7.4 A card holder shall be fixed to each suspension holder with a minimum sight size of 50 x 10 mm. .B3 2695 : 1993 CRADLE STRIP -, SUSPENSION `~ "1 \ -KNOB LLABEL HOLDER /' I t DRAWER HANDLE FIG. 3 TYPICAL SKETCH OF A FOUR-DRAWERTYPE METAL FILING CABINET 81.2 Plinth shall 8 ROLL FILES FOR LARGE DRAWINGS be not less than 75 mm. 8.8 General It covers equipment for filing drawings larger than those given in Annex B ( see Fig. 4A and Fig. 4B ). 8.1 Dimensions 8.1.1 The pigeon-holes shalI be of circular or square section of such a size as will accommodate rolled drawings of 50 mm diameter. me depth of the pigeon-holes shall be 50 mm more than the length of the rolled drawings (see Fig. 4A ). In case of brackets or hooks to accommodate 50 mm diameter rolled drawings fhe horizontal and verticals pacing between the hooks shall be not less than 700 and 100 mm respectively ( see Fig. 4B ). 8.1.3 The tube length shall be 50 mm less than the length of the rolled drawing so that when the lid is removed, the rolled drawing will stick out 50 mm beyond the tube and can be easily pulled out. The lid for the tube shall be such that it completely covers the exposed portion of the rolled drawing in the tube. 8.2 Construction 8.2.1 The cabinets or racks shall be rigidly constructed. In case of cabinets, the plinth, filing section and top shall be flush at sides, back and front* NOTE - Suitable closing arrangement provided if so desired by the purchaser. 6 may be 8.1.4 IS 2695 : 1993 8.2.2 A card holder with a sight size 100 x 50 mm shall be provided at the front of each cabinet or rack. 10 PERFORMANCE FINISH REQUIREMENT OF 10.1 Wood It shall be as per 9 of IS 4116 : 1988. 10.2 Steel 10.2.1 Hardness Test Test to be carried Set 1 ) : 1988. out as per IS 101 ( P.,rt 5: 8.2.2.1 In addition, the tube shall be fitted with devices to hold index cards to show the contents of the tube. 9 FINISH 9.1 Drawing filing equipment given in 9.1.1 and 9.1.2. 9.1.1 Steel 9.1.1.1 All dents, burrs and sharp edges shall be removed from the various components and they shall be pickled, scrubbed and rinsed to remove grease, rust, scale or any other foreign elements. shall be finished as 10.2.2 Flexibility and Adhesion Test Test to be carried out as per 2 of IS 101 ( Part 5/ Set 2 ) : 1988. 10.2.3 Impact Resistance Test Test to be carried Set 3 ) : 1988. Condensation out as per IS 101 ( Part 51 . Under Continuous 9.X.1.2 After pickling, all the mild steel parts shall be given phosphating treatments in accordance with IS 3618 : 1966 followed by a coat of suitable primer, such as red oxide. NOTE - 10.2.4 Resistance to Humidity Test to be carried out ( Part G/Set 1 ) : 1988. 11 PACKING 11.1 All the component as per 2 of IS 101 Putty shall be applied to all the surfaces requiring filling and shall conform to IS 110 : 1983. Aluminium primer shall conform to IS 5660 : 1970. 9.1.1.3 Two coats of enamel paint shall then be applied as follows: a) Undercoat as per IS 149 : 1950, such a way that during transit. 12 INFORMATION THE PURCHASER parts shall be packedi n no damage is caused to them TO BE SUPPLIED BY b) Finish coat with synthetic stoving enamel conforming to IS 2932 : 1974 or IS 2933 : 1975, and c) The components shall thereafter be baked at a specified temperature in an oven heated uniformly. The finish shall be smooth and uniform with a hard and tough film of enamel strongly adhering to the surface. The finish shall be free from all visible defects and shall not chip, when tapped lightly with a pointed instrument. 9.1.2 Powder coating as specified in IS 13871 : 1993 may be done on the mild steel components if required by the purchaser. 12.1 The purchaser shall supply the following information to the supplier along with the order: a) Type required; `4 Colour of finish; 4 The material, whether steel or wood; and d) Where alternative methods of construction and finish are specified, they shall be clearly stated in the order. 13 MARKING 13.1 All drawing filing equipment shall be marked suitably to identify the manufacturer. 13.2 They may also be marked with the Standard Mark. 8 IS 2695 : 1993 ANNEX A ( Clause2.1 ) LIST OF REFERRED IS No. Title INDIAN STANDARDS IS No. Title 101 Methods of sampling and test for paints, varnishes and related products: 1064 : 1980 1079 : 1988 1278 : 1g72 Paper sizes ( second revision ) Hot rolled carbon steel sheet and strip ( fourth revision ) Filler rods and wires for gas welding ( second revisiorz ) ( Part _5/Sec 1 ) : Part 5 Mechanical test on 1988 paints, Section. 1 Hardness tests ( thzrd revzszon) ( Part S/Set 2) : Part 5 Mechanical test . on 1365 : 1978 1977 : 1975 1988 ~~;ts;d&$!nn revision ) ;e,;ex~b$~~ Slotted countersunk screws ( third revision ) head ( Part S/See 3) : Part 5 Mechanical 1988 test on Section 3 Impact paint, resistance ( falling ball test ) ( third revisiozz ) Structural steel ( ordinary quality ) ( second revision ) Enamel, synthetic, exterior (a) undercoating, (b) finishing (Jirst revision ) 2932 : 1974 ( Part 6ISec 1 ) : Part 6 Durabilitv tests. Section *to humidity 1988 ' 1 Resistance under conditions of condensation 110 : 1983 Ready mixed paint, brushing, grey filler, for enamels for use over primers (first revision ) Ready mixed paint, spraying, stoving, for undercoating, enamels and general purposes colour as required Cold-rolled low carbon steel strips ( third sheets and revision ) 2933 : 1975 Enamel coating, revision ) exterior (a) under(b) finishing (first 3313 : 1983 i49 : 1950 Specification for steel Eiying cabinets for genera1 office purposes ( second revision ) Phosphate treatment of iron steel for protection and against corrosion Specification for wooden shelving cabinets ( adjustable type ) Specification for polyvinyl acetate dispersion based adhesives for wood ( jirst revision > Resistance trodes spot welding efec- 3618 : 1966 513 : 1986 808 : 1989 Dimensions steel beam, and angle revision ) for hot rolled column channel sections ( third 4116: 1988 4835 : 1979 814: 1991 Covered electrodes for metal arc welding of carbon and carbon manganese steel Specification for cold setting casein glue for wood Specification for synthetic resin adhesives for construction work ( non-structural ) in wood (first revision ) Specification for animal glue wood-working for general purposes (first revision ) 4972 : 1968 849 : 1957 851 : 1978 5660 : 1970 6760 : 1972 13871: 1993 Ready mixed paint, brushing, aluminium-red oxide primer countersunk Slotted wood screws Specification coatings for head powder 852 : 1969 9 IS 2695 : 1993 ANNEX B [ Clauses5.0, 5.1.1(b), 6.0, 7.0 and 8 0 ] SIZES OF DRAWING B-l The sizes of trimmed and untrimmed SHEETS drawing sheets of sizes A0 to A5 are given below: Designation Trimmed Size Untrimmed Size, Min mm 880 x 1230 625 x 880 450 x 625 330 x 450 240 x 330 165 j< 240 NOTE - In arriving at the trimmed sizes of drawing paper, the following basic principles, which have been dealt with in IS 1064 : 1961 have been taken intc consideration: a) Two successive sizes of the series are obtained by halving or doubling. Consequently, the surface areas of two successive sizes are in the ratio of1 :2. b) The formats or forms are geometrically similar to one another. The sides of each size being in the ratio of 1 : l/2. c) The surface area of the basic size A0 is one square metre. A0 Al A2 A3 A4 A5 841 594 420 297 210 148 x x x x x x 1189 841 594 420 297 210 IS 2695 : 1993 ANNEX B ( Foreword > . Chairman SRRI J. A. PANCRAL Members SHRI J. G. SEWAK ( Alternate to Shri.1. A. Panchal ) SHI:IJ. C.-8EIIKI SHRI S. (:. CHAIJHA S~nr RAJENDRA PRASAD( Alternate) SHrUJAYANTrLAL M. DALAL SHRI GAUTAM ~MAHAJAN( Alternate) Sn~r AJIT DESAI SHRI V. K. RHA~CT ( Alternate) DIXECTOI~ 4S~~~ V. K. AG~~ARWAL ( Alternate ) SIIRI ANIL DOPHI Srrur S. A. SHINDE ( Alfernatc ) SARI I. P. FI~CXZREDO SI~RI H. H. JAMSHEDJI ( Alternate i SHRI S.P.GOENKA SRXI HARISA K~AITAN ( Alternate ) SHRI SANJ~~~ JAIN SHRI R. M. KAXKHANIS ( Altnnotc) SHRI H. c. KULSHRESHTHA SRRI S. S. BHATIA ( Alternate ) Srrn1 K. S.L.\lJLY SHRI HR;MAN C. VISSANJI ( Alternate ) SERI M. M. MISTRY SIIRIMATI M. CEEEM~ SHRI K.K. MISRRA (Alternat 1 . SHRI V. D. NARANo SARI L. R. PAHWA SRIU S. K. KAY ( Altcrnatc ) SERI V.N. PATEL SH~I P. A. PATEL ( Alternate `, SHRIP.RAJQOPALAN PROF V. P. R AORI SHRI 0. P. RATRA SHRI M. K. RISEI SHRIXATT TRIPLI KHURANA I Alternate 1 SHRI S. N. S~NYAL SHRI S. P. BADORI ( Alternate ) SI~LI R. L. SHARMAS~nr UTPAL SEN ( Alternate ) SHRI Y.R.T~NEJA, Director-in-Charge( Civ Engg) National Institute COMMITTEE Furniture Sectional COMPOSITION Committee, CED 35 Ahmadabad Representing of Designs, Small Scale Steel Furniture Manufacturers Association, New Delhi Directorate General of SlIpplies and Disposals, New Delhi All India Plastics Furn Plastics Central Neolux Godrej Ltd: Manufacturers Nagpur Research Institute, Roorkre Association, Bombay Building India Pvt Ltd, Bombay and Boyce hlfg Co Ltd, Bombay Chamber Industries of Commerce and Industry, Port Blair Andaman Supreme Director Ltd, Sew Delhi ( Delhi Administration ), Delhi of Education The Indian PI> wood Mfg Co Pvt Ltd, Bombay Organization, New Delhi Branch, Army Headquarters, New Delhi National Buildings Engineer-in-Chief's Office of the Development Commissioner ( SSI ), New Delhi Indian Tourism Development Corporation, New Delhi Chandan Metal Products Pvt Ltd, Vadodara Indian Institute of Technology, Bombay School of Plannine and Architecture. New Delhi Building Materials and Technology Promotion Council, Central Public Works Department, New Delhi Forrst Indian Director Research Insiitute, Dehra Dun Ltd, New Delhi New Delhi Oil Corporation General, BIS ( &-officio Member j Member-Secretary SHRI R. S. JUNEJA Deputy Director ( Civ Engg ), BIS Metal Furniture Subcommittee, Convener SHRI M. R. A~NIHOTRI Members SIIRI V.K. A~ARWAL SHRI AJAYKUWAR AQARWAL( Alternate) .%SSISTANT DIRECTOR (PLASTIC) SHRI~~HAQWANDASS SRRI S. C. CHADHA SHRI I. C. KHANNA ( Alternate 1 SRRI I. P. FI~UEREDO . SHRIBWTI MEDHA GODUIL SHRI P.S. KH~NOL~AIX SHRI J.R~X~~RAJAN ( Alternate) Hindustan Aluminium School of Planning CED 35 : 1 and Architecture, Corporation New Delhi Ltd, Bombay National Buildings Organization, New Delhi Central Buildings Research Institute ( CSIR ), Roorkee Directorate General of Supplies and Disposals, New Delhi Godrej and Bovce Mfg Co Pvt Ltd, Bombay Energy and Labour Department, Industries, Maharashtra Goodlass Nerolac Paints Ltd, Bombay Government of 11 IS 2695 :1993 ( Continuedfrom page 11 ) Mm hers SRRIS.K.KINRA DEPUTY DIRECTOR (MECR ) ( Alteznutc) MAXAGINC~ SHBI SHRI DIRECTOR SHIV Keprssenting Office of the Development New Delhi Small Scale Steel New Delhi Commissioner ( Small Scale Industries ), Furniture Manufacturers Associatidh ( Regd ), KUMAR KAPAHI ( Alternnte ) National Chandan Institute Metal of Design, Products Ahmadabad Pvt Ltd, Vadodara Army Headquarters, New Delhi PANCHAL SHRIJ. G. S~wan ( Altcrnafc ) SHIU V. N. PATEL SHRI P. A.PATEL (Altcrnate~ SRRI H. K. RAI~ERA J.A. SHEI TILA~ RAJ ( cilternate ) Engineer-in-Chief's Branch, 12 Standard Mark Mark is governed by the provisions of the Bureau of Indian made thereunder. The Standard 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 BIS and operated I by the producer. Standard marked products are also continuously checked by BIS for conformity to that standard as a further safeguard. Details of conditions under which a licence ; for the use of the Standard Mark may be granted to manufacturers or producers may be / obtained from the Bureau of Indian Standards. Standards Act, 1986 and the Rules and Regulations The use of the Standard _ ._ Bureau of Indiau Standards BIS is a statutory institution established under the Bureau 01 Indian Standards Act, 1986 to promote harmonious development of the activities of standardization, marking and quality certification of goods and attending to connected matters in the country. Copyright BIS has the copyright of all its publications. No part of these publications may be reproduced in any form without the prior permission in writing of BIS. This does not preclude the free use, in the course of implementing the standard, of necessary details, such as symbols and sizes, type or grade designations. Enquiries relating to copyright be addressed to the Director ( Publications ), BIS. 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 reaffirmed 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 by referring to the latest issue of `BIS Handbook and Standards Monthly Additions'. Comments on this Indian Standard may be sent to BIS giving the following reference: Dot No. CED 35 ( 5229 ) Amendments Issued Since Publication Amend No. Date of Issue Text Affected i BUREAU OF INDIAN STANDARDS Headquarters: Manak Bhavan, 9 Bahadur Shah Zafar Marg, New Delhi 110002 Telephones : 331 01 31, 331 13 75 Regional Offices 1 Central i Manak Bhavan, 9 Bahadur Shah Afar NEW DELHI 110002 Marg Telegrams : Manaksanstha ( Common to all o&es ) Telephone I 331 01 13 75 31 37 84 99, 37 85 61 37 86 26, 37 86 62 I 53 38 43, Eastern : l/14 C. I. T. Scheme VII M, V. I. P. Road, Maniktola CALCUTTA 700054 Northern Southern t SC0 445-446, Sector 35-C, CHANDIGARH 160036 600113 53 16 40 53 23 84 : C. I. T. Campus, IV Cross Road, MADRAS I 235 02 16, 235 04 42 235 15 19, 235 23 15 632 92 95, 632 78 91, 632 78 58 632 78 92 Western f Manakalaya, E9 MIDC, Marol, Andheri ( East ) BOMBAY 400093 BANGALORE. Brancher : AHMADABAD. BHOPAL. BHUBANESHWAR. COIMBATORE. FARIDABAD. GHAZIABAD. GUWAHATI. HYDERABAD. JAIPUR. LUCKNOW. KANPUR. PATNA. THIRUVANANTHAPURAM.