IS 12680 : 1989 Reaffirmed 2007 Indian Standard WOODEN SOFA-CUM-BED -- SPECIFICATION © BIS 1989 BUREAU OF INDIAN STANDARDS MANAK BHAVAN, 9 BAHADUR SHAH ZAFAR NEW DELHI 110002 MARG Price Group 1 AMENDMENT NO. 1 SEPTEMBER 1993 TO IS 12680 : 1'8' WOODEN SOFA-CUM·BEDSPECIFICATION ( Page 1, clGMle 4.5 ) leIIu.ber tbe subsequent clalBel: Add the following new clause after 4.5 and ··" MedIuaa o..lty Fibreboard (MOl) MDF used for tbe manufacture of wooden sofa -cum -bed shall eoaform to IS 12406 : 1988 'Specification for medium demity fibreboard for general ,urpoeea' ." ( PtI,e 1, clGlUe ' ·· , liM S ) boanl'. (CED3S) ReDlO2raDhv UDit. 81S, NewDelhi,IDdia Insert 'or MDF' after the words 'block AMENDMENT NO. 2 FEBRUARY 1997 TO IS 12680: 1989 WOODEN SOFA·CUM·BEDSPECIFICATION ( Secondcoverpage,foreword) - Insert the following after second para: 'A scheme of labelling environment friendly products to be known 8S ECO Mark is being introduced at the instance of the Ministry of Environment and Forests (MEf), Government of India. The ECO Mark shall be administrered by tbe Bureau of Indian Standards (BIS) under the BIS Act, 1986 as per tbe Regulation No.71 dated 21 February 1991 published in tbe Gazette of tbe Government of India. For a product to be eligible for BCO Mark, it shall also carry tbe Standard Mark of the BIS besides meeting additional optional environment friendly requirements. J ( Page 1, clause 4.1 ) - Substitute the following for the existing clause: "4.1 Timber - Any species of timber specified in IS 13622 : 1993 'Indian timber for fumitures and cabinets - Classification' sball be used in the manufacture of wooden sofa-cum-bed. 4.1.1 For ECO Mark, only species of timber as specified in IS 13622 : 1993 from sources other than natural forests such as timber from industrial and social forestry plantations, shade trees from tea and coffee estates, etc, shall be used for tbe manufacture of wooden sofa-cum-bed.') (Page 1, clause 4.Z ) - Insert tbe following at tbe end of the clause: 'For ECO Mark, the particle board shall conform to the requirements specified in IS 3087:1985 for ECC Mark purposes.' ( Page 1, clause 4.3 ) - Insert the following at the end of the clause: 'For ECO Mark, the veneered particle board shall conform 10 tbe requirements specified in IS 3097: 1980 for ECO Mark purposes. J (Page 1, clause 4.4) -- IILCier1 tbe following at the end of the clause: 'For ECO Mark, the blockboard shall conform to tbe requirements specified in IS 1659 : 1990 for ECO Mark purposes.' (Page 1, clause 4.5 ) - substitute tbe following for the existing clause: c'4.S Plywoc)d - Plywood used shall conform to IS 303 : 1989 'Specification for plywood for generaI purposes ( third revision)' . Amend No. 2 to IS 12680 : 198 9 ' 4.5.1 For ECO Mark the plywood shaH conform to the requirements specified in IS 303 : 1989 for ECO Mark purposes." [ Page I, clause 4.6 (see also Amendment No.1) ] - Insert the foJJowing at the end of the clause: 'For ECO Mark, the medium density fibreboard shaH conform to the requirements specified in IS 12486 : 1988 for ECO Mark purposes: ( Page 2, clause 7 ) - Insert the following new clause after 7 and renumber the subsequent clause: '8. ADDITIONAL REQUIREMENTS FOR ECO MARK 8.1 General Requirements 8.1.1 The product shall conform to the requirements of quality and performance as specified in the standard. 8.1.2 The manufacturer shall produce to BIS environmental consent clearance from the concerned State Pollution Control Board as per the provisions of the Water (Prevention and Control of Pollution) Act, 1974 and Air (Prevention and Control ofPollution) Act, 1981 alongwith the authorization. jf required under the Environment (Protection) Act, 1986, while applying for ECO Mark. 8.2 Specific Requirements The product shall conform to the specific requirements given for ECO Mark under relevant clauses of this standard. NOTE - The manufacturer shall provide documentary evidence by way of certification or dcclaration to Ihis cffect 10 the Bureau of Indian Standards wbile applying for EeO Marlt.· [ Page 2, clause 8.1 ( renumbered as 9.1 ) ) clause after renumbered clause '.1: Insert the following new '9.2 The criteria for which the product has been labelled as ECO Mark.' (CEO 35) Reprography Unit, BIS. Now Delhi, India 2 'Furniture"Seotional Committee, BDC 35 FOREWORD This Indian Standard was adopted by the Bureau of Indian Standards on 23 May 1989, after the draft finalized by the Furniture Sectional Committee had b"n approved by the Civil EDpneeriul Division Council. .. ~ l Wooden furniture ia beiDI made in the country over a Dumber of yean. However, the sizes. finish and functions of furniture items as made by various manufacturers require to be co-ordinated. This standard is being issued with a view to rationalize the sizes, the type and functional requirements and finishes of wooden sofa.cum·~ed in the interest of the manufacturers and the cODsumer. For the purpose of deciding whether a particular requirement of this standard is complied with, the final value, observed or calculated, expressing the results of a test or analysis, shall be rounded off in accordance with IS 2 : 1960 'Rules for rounding off numerical values (,..ued)'. The number of significant places retained in the rounded off value should be the same as tbat of the specified value in this standard. IS _ . : "'I Indian Standard WOODEN SOFA-CUM-BED - SPECIFICATION I SCOPE 1.1 This standard lays down requirements of materials, functional dimensions and finishes of wooden IOfa-cum-bed used as domestic furniture. 4.4 Bloek Boardl Block boards used for the manufacture of wooden sofa-cum-bed shall conform to IS 1659 : 1919. 4.5 PlfWGod 2.1 The Indian Standards listed in Annex A are neceuary adjuncts to this standard. 3 TERMINOLOGY 3.0 For the purpose of this standard, following definitions shall apply. the 3.1 Hard Seat A seat without cushioning material. Plywood required for the manufacture of wooden sofa-cum-bed shall conform to IS 303 : 1975. Any of the three grades of plywood, th@.t is, BWR, WWR and CWR can be used where airdrying paints, enamel or varnishes are to be used or where the plywood is to be covered with decorative laminates. Where finishing is to be done with suitable over-drying paints. enamels or varnishes, only BWR grade of plywood shall be used. The plywood used shall not be inferior to Type B. 3.3 Seat Helltat top of the seat from the Boor surface. In case of cushion seats or seats with springs, the height shall be measured after applying a uniform load of 70 kg on the entire seating surface meant for littiol/sleepinlone person. The height of the seat means the distance of the 4.6 Screw. Screws shall conform to IS 6760 : 1972. 4.' AdheslYes IS 1365: 1978 or Adhesive used for joining shall conform to IS 848 : 1974, IS -851 : 197~t IS 852 : 1969 or IS 4835 : 1919. 4.8 Oeeoratl·· Plaltle La.l.atel A form of sitting room furniture capable of Decorating plastic laminates required for the being used for sittins, relaxing, sleeping, etc. manufacture of sofa-cum-bed shall conform to IS 2046 : 1969 and shall be of the design and 3.4 Sofa Seat finilh as pre~ribed by the purchaser. A seat provided or covered with cushioning 4.9 PalDt material. 3.3 Sola-eam·BecI 4 MATERIALS ~.1 Tlmben Ena1Del, polish aDd varnish shall be in accordaDctJ with the schedule liven in IS 2338 ( P~rt 2 ) : 1961: 5 DIMENSlONS A:ND TOLERANCES Timbers to be usee! for making wooden frames, etc, for aofa-c:u~-bedshall be well seasoned as liven in IS 1141 : 1973. When timbers are used, sap-wood of durable species and timbers of DOD-dllrable lpeciel shall be liven preservative treatment in acc:ordance with IS 401 : 1982. The...lpoi~'1Ue content of timber shall conform to 5.1 The overall dimensions of sofa-cum-bed shaD be as follows (see FiS. I ) a) Seat height b) Clear seat depth c) Height of back above the seat : 380 to 400 mm, : 550 to 600 mm, and : 400 to 450 mm, _-S'2111 : J9'~. 4.2 Particle IIoartl Wood ~c'tl boards required for manufacture of wObden lota-eum-bed shall conform to IS 87 J 1986, aad shall be of type FPT. that is, ftat-preued-three-layer type. ~ S.2 Toleraae. Tho overall dimensions specified in 5.1 shall Dot vary by more than :I: 5 mm. S FAlla_CATION Y--- Particle JtoanI V~ partiqle ~rd uled fpr the manufac- '.1 eo-,.,eatl tun of wooden soC,,-eum-bed shall conform to The wooden sofa-c"m·bed may be made fa ~ . , : l"Q. componCQt form &114 then a~mble4. TIlt 1 IS 12680: t98' e r GL 7.2 a_ta.e to Dr, a··t The test sample surface shall be tested for resistance to dry heat in accordance with IS SS07 (Part 1 ) : 1975. Tho minimum quali- fying average ratings shall conform to 1 of IS 5807 ( Part 1 ) : 1975. 7.3 a.lltaace to Wet Heat The test sample surface shall be tested for resistance to wet heat in accordance with IS SI07 ( Part 2 ) : 1975. The minimum qualifying average rating shall conform to 1 of IS S807 ( Part 2 ) : 1975. 7.4 Rellstaaee to Marklal by 011. aDd Fats The test sample surface shall be tested for resistance to marking by oils and fats in accordance with IS 5807 ( Part 3 ) : 1971. The test result should conform to 5 and 'of IS 5807 ( Part 3 ) : 1971. A - Seat hollht B -= Seat depth C Height or back surface above leat ~ == Included aUlte (110 to 115°) ell Flo. 1 SOPA-CUM-Bm sides shall be made from wood particle board or veneered particle board or plywood or block . board with thickness 20 mm with a tolerance of 1 mm. Joinery shall be generally as described in IS 3845 : 1965. 7.5 Rell.taDce to MarklDI by Lt,_lels The test sample surface shall be tested for resistance to marking by liquids in accordance with IS 5807 (Part 4 ) : 1975. The minimum qualif)'ing averase rating shall conform to 8 of IS 5807 (Part 4 ) : 1975. 8 MARKING 8.1 All wooden sofa-cum-bed shall be marked with a suitable mark identifying the manufacturer. 7 PERFORMANCE REQUIREMENTS OF FINISH 7.1 Every sofa-cum-bed shall be checked for good workmanship and free from any stain and warp. ANNEX A ( Clause 2.1 ) LIST 011 REFERRED INDIAN STANDARDS IS No. Titl. IS No. Title IS 287: 1973 Recommendations for maximum permissible moisture content for timber used for different purposes ( second revision ). IS 303: 1975 Plywood for general purposes ( second revision ). IS 401: 1982 Code of practice for. preservation of timber (third revision). IS 848: 1974 Synthetic resin adhesives for plywood (phenolic and aminoplastic) ( first revislon ). IS.·8S1 : 1978 Synthetic resin adhesives for construction work (Don-structural ) in wood ( first revision ). IS 852: 1969 Animal glue for general wood working purposes ( first Code of practice for finishing IS 2338 (Part 2) : 1967 of wood and wood based materials: Part 2 Schedules. IS 3087 : 1986 Wood f,article boards (first revision . IS 3097 : 1980 Veneered particle boards ( first revision ). IS 3845 : 1965 Code of practice for joints "used in wooden furniture. IS 4835 : 1979 Polyvinyl acetate dispersonbased adhesives for wood rt,lslon ). Code of practice for seasoning. of timber ( fir8t ,"ilion) IS 1365 : 1978 Slotted countersunk head screws (dia range 1·6 to 20 mm) (thirdIS 1141 : 1973 ( first rev/,loli ). Method of test for clear finishes IS S807 for wooden furniture. Part 1 : 1975 Resistance to d rl heat ( fi,,' revtston ). Part 2 : 1975 .Resistanc;e to we~. ~ea~ _< first re,,','on ). '. : ...~ rerilloll ). e IS 1659 : 1979 'Block board. (,econd r.,18lo1l ). IS 2046 : 1969 ~ ,J>eeorativc thermosettiDg sya- thetic resin bonded laminated sheets ( fir,' ,.,I,'oft ). Part 3 : 1971 Resistance to martiDI by oils and fats. . Part 4 : 1975 ResistaDce "to . iniartiDI· by liqllids. countenuDk wood IS 6160 : 1972 Slotted lCl'ews. 2 Bar... of 1MIa. Sta~.nJ. DIS il a statutory institution established uDder the 1Iw.." 0/11141." til Alt· . . to promote barmonioul development of the activitl. of Ita.elardi.tion, martial ad qualitJ _1011 of loodl and attend iD 8 to cODnected matter. in tho cOUDtry. Co,,,lPt BIS has tbe copyriabt of aU its publications. No part of these pubUcatlon. may be reproduced fa aDy form without the prior permiuioD in writiDI or BIS. Thil does Dot precludo tho lree DIe, ia the coune of implementins the standard, of neceuary detail., luch u symbol. ud lizel. type or arade delilDatioDs. Enquiries relatiDS to copyript be ad4rOlled to the Director (PublicatiODl). BIS. ae,lllo··f lIItIIaa St.ada_ Indian Standards are reviewed periodically and reviled. when neee. .ry aDd amendment, It aDy. are issued from time to time. Users of Indian Standard. should ascertain that they are in poueuioa of the latest amoDclmentl or edition. Commenu on this Indian Standard may be lent to DIS liviDS the followiDI reference : Doc: No. BOO 35 (4418) Date or Issue Amend No. Text Affecteel BUUAU OP INDIAN STANDARDS Beadquarten : MaDak BhavAIl. , Bah.dar Shah Zatar Mar" Now Delhi 110002 TeJephoDei : 331 01 31, 331 IS 75 Te. . . . : MaaaksaDltJla ( Commoa to all 0Il0eI ) llllioal 011011 : Central : Manak BhaV8D. 9 Bahadur Shah NEW DELHI 110002 zarar Mati. { Tellplao·· 331 01 31 33113 " Eutera: 1/14 C.I.T. Scheme VII N, V.I.P. Road. MaDlktola CALCUTrA 700054 Northern: 3624_ 2 1843 { 31641 seo 445-446. Sector 35-C, CRANDIGARB 160036 Southern: C.l.T. Campu.. 4 Croll Road. MADRAS 600113 Western: Maaakalaya, S9 M1DC, Marol, Alldheri (Bait) B~Y400(9) 412442 412519 { 4129 16 Branches: AHMADABAD. BANGALOIlB. BHOPAL. BRUBANBSWAR. OUWAHATI. HYDERABAD. JAIPUL ICANPUIt. PATNA. TRIVANDRUM.