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DKS 2817:2018

Furniture — Wooden office table — Specification © KEBS 2018 First Edition 2018

KENYA BUREAU OF STANDARDS (KEBS)

DKS 2818:2018

© KEBS 2018 – All rights reserved

TC Representation

The following organizations were represented on the technical committee. Mr. Charles Kalomba Kenya National Federation of Jua Kali Association (KNFJKA) Mr. Eliud Mbiyu Shauri Moyo Furniture Association Mr. Lucas O. Oduk Galua Fabricators Ltd Mrs.Sylvia Gitonga Directorate of Occupational Safety and Health Services (DOSHS) Mr. Ronald Ngala Village Furnitures Ms. Rose Mboya Kenya Industrial Research and Development Institute (KIRDI) Oyoo T.O. Secretariat Kenya Bureau of Standards (KEBS)

REVISION OF KENYA STANDARDS

In order to keep abreast of progress in industry, Kenya Standards shall be regularly reviewed. Suggestions for Improvements to published standards, addressed to the Managing Director, Kenya Bureau of Standards, are welcome.

© Kenya Bureau of Standards, 2006 Copyright. Users are reminded that by virtue of section 6 of the Copyright Act, Cap. 130 of the laws of Kenya, copyright subsists in all Kenya Standards and except as provided under section 7 of this Act, no Kenya Standard produced by Kenya Bureau of Standards may be reproduced, stored in a retrieval system in any form or transmitted by any means without prior permission in writing from the Managing Director.

DKS 2818:2018

DRAFT KENYA STANDARD

Furniture — Wooden office table — Specification

KENYA BUREAU OF STANDARDS (KEBS)

Head Office: P.O. Box 54974, Nairobi-00200, Tel.: (+254 020) 605490, 602350, Fax: (+254 020) 604031 E-Mail: [email protected], Web: http://www.kebs.org

Coast Region Lake Region North Rift Region P.O. Box 99376, Mombasa-80100 P.O. Box 2949, Kisumu-40100 P.O. Box 2138, Nakuru-20100 Tel.: (+254 041) 2229563, 2230939/40

Tel.: (+254 057) 23549, 22392 Tel.: (+254 051) 210553, 210555

Fax: (+254 041) 229448 Fax: (+254 057) 21814 Fax: (+254 051) 2210076 E-Mail: [email protected]

E-mail: [email protected]

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KENYA STANDARDS DKS 2818:2018


Foreword Kenya Bureau of Standards is a national standards body (NSB). The work of preparing Kenya Standards is normally carried out through national technical committees. Each member body interested in a subject for which a technical committee has been established has the right to be represented on that committee. National organizations, governmental and non-governmental, in liaison with KEBS, also take part in the work.

Kenya Standards are drafted in accordance with the rules given in the KS ISO/IEC Directives, Part 2.

The main task of technical committees is to prepare National Standards. Draft Kenya Standards adopted by the technical committees are circulated to the technical committee members for balloting. Publication as a Kenya Standard requires approval by at least 2/3 of the members casting a vote.

Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. KEBS shall not be held responsible for identifying any or all such patent rights.

This Kenya Standard was prepared by Technical Committee KEBS/TC 164, Furniture.

During the preparation of this standard, reference was made to the following documents: IS 3663: 1993: Dimensions of tables and Chairs for office purposes The assistance derived from these publications is hereby acknowledged.

KENYA STANDARD DKS 2818:2018

© KEBS 2018 – All rights reserved 3

Wooden Office tables — Specification

1 Scope

This Draft Kenya Standard prescribes the requirements and methods of test for wooden tables for office use.

2 Definitions 2.1 Table/Desk a grouping of furniture items and components, providing a horizontal or slightly inclined work surf ace or work surf aces, either fixed or adjustable in height, that facilitates the perf ormance of tasks in an office-like environment. 2.2 lip

solid strip of wood often decoratively cut, used to finish the edge of a large element such as a top or edge of drawers, etc; Lipping is the process of setting lip onto a surface 2.3 ergonomics the study of the relationship between people and their environment, especially the science that seeks to adapt work and working conditions to the worker.

2.4 Horizontal surface definitions 2.4.1

Primary surface

a surface which has the apparent potential for the highest loading or a surface on which

a person may sit. In cases where more than one horizontal surface of a desk exists, there

may be more than one primary surface. 2.4.2

Secondary surface

a surf ace used for storage (e.g. a shelf) or a dedicated surface located more than 762 mm

above the floor. 2.4.3

D edicated surface

a surface located at 762 mm or less from the floor w which is occupied exclusively by the

equipment placed on the surface. 2.4.4

Adjustable keyboard surface

a moveable surface w which is occupied primarily by the keyboard.

2.4 Office table

2.4.1 length O The length O of office table is the horizontal dimension of the longer side of the top of the work surface. 2.4.2 width P The width P is the horizontal dimension of the shorter side of the top of the work surface. 2.4.3



height H the height H is the vertical dimension from the floor to the top of the work surface measured on the front edge of the surface at the mid-point of the length. 2.4.4 legroom the free space for the legs and feet under the work surface 2.4.4.1 height R the height R is the vertical dimension from the floor to the underside of the top of the desk, table or worktop. 2.4.4.2 length T The length T is the horizontal dimension across the kneehole. 2.4.4.3 Width S the width S is the horizontal dimension of the legroom at the underside of the top of the desk, table or worktop. 2.4.4.4 Width S1 the width S1 is the horizontal dimension of the legroom measured at a reference point Y 100 mm above the floor.

3 Footrest 3.1 The working position may need to include a footrest in which case the footrest shall comply with the following: 3.1.1 It shall be free standing. 3.1.2 It shall ensure sufficient space for the feet and allow changes in position. The top surface shall be flat. 3.1.3 Its dimensions shall be as specified in clause 5.3.

4 Modesty panel Wooden office tables shall be fitted with modesty panel. When a modesty panel is fitted it shall provide operator privacy under the work surface. The modesty panel shall finish no greater than 400 mm from the floor when the work surface is in its highest position, and shall not interfere with work surface height adjustment. 5 Classification 5.1 General. The wooden table for office use shall be classified in accordance with their tabletops.

5.2 Classification. Wooden tabletops shall be of the following types

Type description

GP Painted surface for general purpose

GW Painted/enamelled surface, wash-able counters, etc

DV Decorative, veneered surface for use as decorative, polished or waxed veneered table tops for office and domestic purposes

DP Overlayed with plastic, high pressure decorative laminates



6 MATERIALS 6.1 Table tops

Tabletops shall be made from hard and soft solid wood and block boards. Office table tops shall not be made from chip boards or MDFs. Note: The hard wood shall include Mahogany, Meru oak, eucalyptus, caphor, etc while the soft wood include cyprus, pine, podo, etc.

6.1.1 Block board

Block boards used in the manufacture of table tops shall conform to the requirements of the latest edition of KS 302. 6.1.2 Solid wood The solid wood used in the manufacture of table tops shall conform to the requirements of KSXX. 6.2 Decorative Laminates. If decorative laminates are used as finishing on Table tops, they shall meet requirements of clauses 6.2.1, 6.2.2, 6.2.3, 6.2.4 and 6.2.5. 6.2.1 Plastics Decorative plastic laminate used for surface of Type DP wooden table tops shall conform to CDXX

1 (Under development) and shall be of mat finish or glossy finish.

6.2.2 Veneer decorative laminates, if used, shall conform to the requirements of latest edition of ISO 18776:2008. 6.2.3 Formica decorative laminates, if used, shall conform to the requirements of the relevant part of ISO 4586:2015. 6.2.4 Perspex/glass decorative laminates shall conform to the requirements of ISO 11963:2012. 6.2.5 Vanish. Varnish used for making GP, GW and DV Types of tabletops shall conform to the KS 161: 1995 (Confirmed in 1999). 6.3 Adhesives Adhesives used for joinery shall conform to the latest edition of KS 509. 6.3 Wooden Screws shall conform to CDXX

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7 DIMENSIONAL REQUIREMENTS 7.1 Nominal dimensions of the table tops

7.1.1 Work surface area The nominal dimensions of the work surface or table top shall be in accordance with table 1. The following requirements s h a l l apply: (a) The work surface area shall be adequate for the tasks to be performed at the desk.

It shall be large enough to accommodate a screen, keyboard and associated

equipment and leave sufficient room for w r i t i n g and for the resting of hands and

arms. The desk shall also be large enough to permit items used regularly to be within

easy reach of the operator from the normal operating position (see Figure 2 (a)) .

(b) For s i n g l e task o p e r a t i o n s (e.g. Keyboard work), t h e w o r k s u r f a c e

s h a l l have minimum dimensions of 1200 mm 800 mm. (c) For mixed t a s k s (e.g. Keyboard a n d c le r ica l w ork), the work surf ace sha l l ha ve

minimum dimensions of 1600 mm 800 mm (see Figure 2 (a)).



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(d) Under the desk there shall be ample knee space, sufficient room to prevent a mobile

unit from protruding beyond the front of the work surface and be of sufficient height

to not impede a full work surf ace adjustment if storage facilities are located under an

adjustable desk.

7.2.2 Height adjustable work surfaces The following requirements apply:

(a) Work surfaces with height adjustment capability in the vertical direction shall have a

minimum travel of 150 mm (see Figure 1(c)). (b) Where adjustable, t he top of the work surface shall include a range of movement

between 610 and 760 mm from the floor (see Figure 2 (a)) .

(c) If the desk height adjustment is provided in steps, they shall be not more than 25 mm apart. NOTE: Continual adjustment of the desktop is preferable. 7.2.3 Mechanically assisted controls The following requirements s h a l l apply: (a) All controls shall be easily operated from the seated position without requiring

excessive physical effort or any special tools or equipment, and without risk of

trapping the fingers.

(b) The control mechanism should be smooth and quiet in operation, and stable

when the control is released, e.g. the height control shall not wind down under gravity

alone.

(c) Control knobs, buttons or handles shall be smooth and comfortable to the hand

and positioned to avoid personal injury and damage to clothing. They shall also be placed

or shielded to avoid accidental operation. Knobs and handles shall not be easily

removable.

(d) The function and direction of movement of each control shall be clearly marked or otherwise o b v i o u s . Mechanical and e l e c t r i c a l controls s h a l l comply with t h e conventions for directions of movement set out in IEC 447.

(e) Indicators shall also be provided so that the operator can readily see the position of the work surf ace within the adjustment range.

7.2.4 Fixed height work surfaces

NOTE: A fixed height desk fit ted with an adjustable keyboard platform is an alternative to the preferred option of a height adjustable desk.

For fixed height work surf aces, the height of the work surface shall be not less than 680 mm and not greater than 735 mm with the keyboard platform being vertically adjustable within a 120 mm range below the work surf ace. The height should be 700 mm to 720 mm.

7.2.5 Work surface thickness The maximum thickness of the work surface over the

leg space including any supporting structure shall be 33 mm (recommended

thickness = 25 mm or thinner).

7.2.6 Work surface finish The following requirements shall apply:

(a) The work surface should be a light colour and have a satin or matt finish. 39883 (b) T he

specular reflectance of gloss should be 50% or less w hen measured with a 60º

gloss instrument in accordance with A STM D 523 Standard test method for specular

gloss greater than 0.50.

(c) The work surface finish should also be easy to clean and enable the user to w rite

on a single sheet of paper without backing.

7.2.7 Leg space The following requirements apply:



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(a) Sufficient space should be provided under the work surface to allow free leg

movement without obstruction.

(b) The minimum knee space shall be 650 mm wide and 450 mm deep (see Figure 3 ).

For fixed height work surfaces the minimum height of the knee space shall be

645 mm.

(c) Leg space depth front to back, measured at a distance above the floor of 120 mm shall be a minimum of 600 mm (see Figure 3 ). Leg space depth should be available over a full 650 mm width.

NOTES:

1 Leg space depth is measured horizontally from front to back. This c r i t e r i o n ensures users are able to sit at the desk without encountering restriction at knee level.

2 Leg space width is measured horizontally with any fixed or mobile storage unit or any other equipment in place. The minimum requirement is necessary to allow changes in leg posture and to facilitate chair swivel for reaching to the side or getting on and off the chair.

(d) When an adjustable keyboard platform is fitted, the 650 mm wide unobstructed knee space should be maintained. Where this is not possible the mechanism supporting the platform shall not protrude into the knee space by more than 80 mm at any setting. The mechanism shall be free of sharp edges, protrusions and entrapment hazards that could cause injury to the seated user.

7.2.8 Modesty panel When a modesty panel is fitted it shall provide operator privacy under

the work surf ace. The modesty panel shall finish no greater than 400 mm from the floor

when the work surf ace is in its highest position, and shall not interfere with work surface

height adjustment.

NOTE: It is recommended that there be a minimum gap of approximately 120 mm from the floor. 7.2.9 Standing desk Where a desk is not adjustable, the work surf ace shall be a maximum of 950 mm in height (preferred 900 mm). Where the work surf ace is adjustable in height, it should at least include the range of 900–1100 mm from the floor.

The nominal dimensions of the office tabletops shall be as given in table 2.

7.3 Footrests (see Fig. 1)

The dimensions of footrests, if provided, shall be: Length Q1: 450 mm, Min. Width Q2: 350 mm, Min Height Q3:

Fixed: front edge l1, 40 ± 5 mm rear edge l2, 100 mm, Min Adjustable: front edge l1, 35 mm, Min slope 10

o to 20

o

Figure 1. Ergonomic dimensions of table



DIMENSIONS IN MM

Figure 2. Dimensions for Office table/desk



Table 1: Dimensions of Wooden Table Tops

All dimensions in millimetres

Length Width

1200 600 1200 700 1500 900 1800 900 1800 1200

NOTE-Tolerance of length and width is 6 mm.

Figure 3.Leg Space Dimensions 8 Functional Safety 8.1 The corners/edges of the table top shall not have sharps and shall be well rounded. A minimum radius of 2 mm shall be recommended. 8.2 All surfaces of the table including the underside of the table top, shall be free of projection and

other hazards that could cause personal injury or damage to clothing. 8.3 Motors should not cause interference or damage to equipment memory. 8.4 Wiring and cabling shall comply with relevant Standards.

9 Lipping Lipping shall be given to the boards on all the four sides in any of the following manner: a) Solid Wood Lipping — This shall be externally given by either giving 6 mm to 12 mm thick

strip of seasoned wood to cover the full thickness of the table top, or by providing a wooden moulding of 12.5 mm thickness which is glued and inserted into a suitable groove, cut in the sides of the board. Care shall be taken that the timber is well seasoned; well preserved, and as far as possible matches in colour and texture with the face of the table top.



197.156.139.206

b) Veneered Lipping — The lipping may also be done by glueing a strip of veneer of thickness not less than 0.5 mm, or plywood of thickness not less than 1 mm.

c) Lipping of Decorative Plastic Laminates — The lipping for wooden table top type DP may be of strips of decorative plastic laminate of thickness 0.8 mm to 1.4 mm and of design to match or contrast with the surface of the table top and fixed on to the sides by use of adhesives as given in (a).

9.3 Wooden table tops type DV shall be made from veneered particle boards of decorative type with well matched veneered surface of the specified timber. Usual decorative timber used for tabletops of this type are teak wood and rosewood. The lipping of Type DV table tops shall be of the same timber as the decorative veneered and shall match in colour, figure and texture of the decorative veneer ed surface. 9.4 Wooden table tops Type GP and GW shall be made from wood particle boards or veneered particle boards, or blockboards or general purpose plywood and lipped in accordance with 6.2 (a), (b) or (c). Wooden table tops for Type GW shall be made from base material bonded with Type BWR of adhesives and of suitable timbers which can take backing enamel painted and suitably baked. 10 TESTS Tabletops shall be tested as in accordance with latest editions of KS ISO 4211, Parts 1,2,3 and 4 and shall pass test. 10.1 Dimensions The samples shall be checked to conform to the dimensions and tolerances specified in table 1 and figures 2 and 3 above. 10.2 STRENGTH AND DURABILITY REQUIREMENTS

10.1 GENERA L The t e s t s s p e c i f i e d i n C l a u s e s 1 0 .2 a n d 11. 2 s h a l l b e

c o n d u c t e d in sequence and on the same desk.

NOTE: W here a desk has a return; it is to be tested in its assembled state for all tests other than the drop and racking tests.

10.2 PERFOR MAN CE R EQU IR EMEN TS 10.2.1 Horizontal surface static load test When tested in accordance with Appendix

A , the following shall apply: (a) No structural breakage deformation or loss of serviceability shall result from

the application of the functional loads. (b) Any deflection of the work surf ace resulting from application of the functional load

shall not exceed 1% of its length, and any residual deflection of the work surface

after testing shall not exceed 10 mm. (c) A pull force (w eight) to overcome the anti-rebound or interlock device and to fully

extend the drawer shall not exceed 4.1 kg. (d) No failure that would cause personal injury shall result from the application of the

proof loads. 10.2.2 Top load cyclic test When tested in accordance with Appendix B, the

following shall apply: 39883 (a) No structural damage, deformation or loss of serviceability shall result from the application of the test load. (b) A pull force (w eight) to overcome the anti-rebound or interlock device and to fully

extend the drawer shall not exceed 4.1 kg.



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10.2.3 Lock test for drawers supported by work surfaces When tested in

accordance with Appendix C, the drawer shall not open during the pull test, the locking

mechanism shall operate normally after the test and no component shall become

dislodged. 10.2.4 Outstop test for drawers supported by work surfaces When

tested in accordance with Appendix D, t h e unit shall not structurally fail or

show loss of serviceability, including outstops and mounting hardware. 10.2.5 Rebound test for drawers supported by work surfaces When

tested in accordance with Appendix E, the following shall apply: (a) No opening shall exceed 40 mm at any at-rest position. (b) The unit shall have no structural damage or loss of serviceability. 10.2.6 Racking test When tested in accordance with Appendix F, the following

shall apply:

(a) The desk shall be serviceable and the locking systems operational. (b) There shall be no structural damage or loss of rigidity to the end panels,

legs, glides, castors or base. (c) A pull force (w eight) to overcome the anti-rebound or interlock device and to fully

extend the drawer shall not exceed 4.1 kg.

10.2.7 Drop test When tested in accordance with Appendix G , the following shall

apply: (a) There shall be no structural breakage or loss of serviceability particularly that could

cause personal injury to the user. (b) A pull force (w eight) to overcome the anti-rebound or interlock device and to fully

extend the drawer shall not exceed 4.1 kg. 10.2.8 Leg strength test When tested in accordance with Appendix H, the following

shall apply: (a) Functional l o a d s shall have no structural breakage, deformation, loss of rigidity or

loss of serviceability as a result of application of the functional load. (b) Proof loads shall have no failure that would cause personal injury from application of a

proof load applied once. 10.2.9 Horizontal and vertical adjustment t e s t s When t e s t e d in accordance

with Appendix I, the unit shall remain functional with no reduction in adjustment range and

no structural damage that could cause personal injury.

11. STABILITY REQUIREMENT

11.1 GENERA L The test below shall be p e r f o r m e d on the same desk that w as tested in

Clause

1 0 2 .

11.2 PERFOR MAN CE R EQU IR EMEN T When tested in accordance with Annex J, the

following shall apply: (a) The desk shall not tip over.



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(b) No structural breakage or loss of serviceability of a desk or components shall

result from application of the test.

12. REQUIREMENTS FOR COMPONENETRS AND MATERIALS

12.1 R ESISTAN CE TO HU MI DI TY C HA N GES 12.1.1 General When a desk is specified to be used in high humidity or possible

cycling humidity environment, material, adhesive and finish shall be resistant to changing

environmental conditions and comply with criteria specified in A FRDI Test Method 104.

The following conditions shall be applied for testing:

(a) Humidity 35%, temp. 23 ±2º C, time 3 weeks.

(b) Humidity 65%, temp. 23 ±2º C, time 3 weeks.

(c) Humidity 95%, temp. 23 ±2º C, time 3 weeks.

12.1.2 Performance requirement When tested in accordance with A FRD I Test

Method 104 there shall be no apparent defects or changes (splitting, gaps, glue failure,

delamination veneer or cracking).

12.2 METAL CO MPON ENTS The following requirements apply: (a) All metal components, shall be finished to leave no sharp, rough or dangerous

surfaces. (b) All exposed metal surfaces where a risk of corrosion exists shall be treated with a

non-corrosive, durable coating prepared and applied in accordance with coating

manufacturers ’ recommendations. The finish shall have adequate resistance to w ear. (c) Chromium plating where required shall comply with A S 1192. The surfaces are to be

prepared and plating applied in accordance with sound trade practices.

13. MARKING, INSTRUCTUONS AND TEST REPORT

13.1 MAR KIN G REQUI R EMENTS A ND INS TRU CTION S All desks shall be supplied

with full operating instructions and clearly marked with the following:

(a) The manufacturer’s/suppliers or importer’s name and address.

(b) The date of manufacture.

13.2 TEST R EPORTS Test reports shall be reproduced in full, be provided on request and

include a summary of compliance with the functional requirements in this Standard. and

shall include the information listed in the Paragraphs titled ‘Report’ in Appendices A to K . NOTE: Manufacturers making a statement of compliance with this Kenya Standard on a product, packaging, or promotional material related to that product are advised to ensure that such compliance is capable of being verified.

KENYA STANDARD NWI 08:2017


Construction The construction shall be checked for conformity to the particulars in the order and type as given in clause 3. When tested in accordance with KS ISO 7172, it shall pass test. 7.3 Surface Finish The surface shall be checked to be smooth, uniform, non-glossy and free from any stain and warp. 7.4 Glue Adhesion The adhesion of plastic overlay, rexine or other overlay, surface veneer and tipping shall be checked by forcible separation at the glue line with the use of a prising knife. The glue line shall offer resistance of to forcible separation and the opened surface should show some adherent fibres, when tested in accordance with KS 302. 7.5 Leading Test The tabletop shall be supported on full length of the board of triangular edge supports parallel to each other and 800 mm apart and to the full depth of the table top. It shall then be loaded at the centre, l00 mm portion, uniformly by first putting on it a wooden batten 100 mm wide and minimum 75 mm thick and full length of the depth of the table top. Over this shall be put suitable loads at the centre by either a suitable loading machine or iron weight suitably increasing the load to a maximum of 500 N and in lots of 100 N. The load shall be left for a period of 24 hours and removed thereafter. The table top shall show: a) no sign of warp, b) no separation of surface paint or overlay or underlay, and c) no damage to the lipping. 7.6 Resistance of the Surface to Dry heat The surface of the wooden tabletops Types DP and GW shall be tested for resistance to dry heat in accordance with KS ISO 4211-3 7.7 Resistance of the Surface to Wet Heat The surface of the table tops Type DP and GW shall be tested for resistance to wet heat in accordance with KS ISO 4211-2 7.8 Resistance of Surface to Marking by Oils and Fats When tested in accordance with IS 5807 (Part 3): 1971 the test sample surface of Type GP and GW shall conform to clauses 6 and 7 of IS 5807 (Part 3): 1971. 7.9 Resistance of Surface to Marking by Liquids The surface of the test sample of Type GP and GW shall be tested in accordance with KS ISO 4211 (Part 3). The minimum qualifying average rating shall conform to clause 8 of IS 5807 (Part J) 1975. 7.10 Type Test 7.10.1 Resistance of Surface to Mechanical Damage The surface of the test sample shall be tested for impact, cross-cut and scrape test in accordance with KS ISO 4211 (Part 4).



7.11 Stability test When tested in accordance with KS ISO 7172, the table shall pass the test.

8 FINISH The wooden table shall have a smooth finish on the surface and the sides and shall be delivered in a neat and dry form.

9 PACKAGING AND MARKING 9.1 PACKAGING

Each table shall be suitably packed to protect it from damage during transportation. 9.2 MARKING All wooden tabletops shall be marked with a registered trademark or a suitable mark identifying the manufacturer, the type, the sizes and thickness of the wooden tabletop.

KENYA STANDARD NWI 08:2017


ANNEX A (Normative Reference)

LIST OF REFERRED STANDARDS

IS No. TITLE IS 287: 1973 Recommendations for maximum permissible moisture content for timber used for different purposes (second revision) KS ISO 12466-1: 1999 Plywood for general purposes (second revision) IS 401 1982 Code of practice for preservation of timber (third revision) KS 509: 1985 Synthetic resin adhesives for plywood phenolic and aminoplastic (first revision) KS 94: 1985 Synthetic resin adhesives for construction work (non-structural) in wood (first Revision) IS 1141: 1973 Code of practice for seasoning of timber (first revision) KS 02-302: 1983 Blockboards for general purposes — Specification KS ISO 7172: 1988 Furniture — Tables — Determination of stability (Confirmed 2012) KS ISO 4211-2 Furniture — Test for surfaces — Part 2: Assessment of resistance to wet heat. KS ISO 4211-3 Furniture — Test for surfaces — Part 3: Assessment of resistance to dry heat. KS ISO 4211-3 Furniture — Test for surfaces — Part 4: Assessment of resistance to impact. IS 2046: 1969(CD XX

1) Decorative thermosetting synthetic resin bonded laminated sheets (first revision)

IS 3087:1985 Wood particle boards (medium density) for general purposes (first revision) IS 3097:1980 Veneered particle boards (first revision) IS 4835:1979 Polyvinyl acetate dispersion based adhesives for wood (first revision) IS 5807 (Part 1): 1975 Method of test for clear finishes for wooden furniture IS 5807 (Part2): 1975 Resistance to wet beat (first revision) IS 5807 (Part 3 ) 1971 Resistance to marking by oils and fats IS 5807 (Part4): 1975 Resistance to marking by liquids IS 5807 (Part6): 1978 Resistance to mechanical damage IS 6760:1972(CDXX

2) Slotted countersunk head wood screws

IS 12406: 1988 Medium density fibre boards for general purposes.

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