FINAL DRAFT UGANDA STANDARD

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FINAL DRAFT UGANDA STANDARD FDUS 1906-1 First Edition 2018-04 -16 Library

1 FINAL DRAFT UGANDA STANDARD FDUS First Edition Library furniture and fittings Part 1: Timber Specification Reference number UNBS 2018

2 Compliance with this standard does not, of itself confer immunity from legal obligations A Uganda Standard does not purport to include all necessary provisions of a contract. Users are responsible for its correct application UNBS 2018 All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilised in any form or by any means, electronic or mechanical, including photocopying and microfilm, without prior written permission from UNBS. Requests for permission to reproduce this document should be addressed to The Executive Director Uganda National Bureau of Standards P.O. Box 6329 Kampala Uganda Tel: /1/2 Fax: info@unbs.go.ug Web: ii UNBS 2018 All rights reserved

3 Contents Page Foreword... v 1 Scope Normative references Terms and definitions Material requirements Wood particleboards Veneered particleboards Plywood Blockboards Timber Adhesive Wood screws Paints, enamels and varnishes Dimensions and tolerances Dimensions Tolerances Fabrication Bays Uprights Single faced unit racks Double faced unit racks General Shelf planks Partition Label holder Loading Bay guide holders Book trolley Catalogue cards tray and cabinet Dimensions and construction of tray Dimensions and construction of cabinet General Dimensions Construction Catalogue cards box Catalogue cards work tray Control region fittings Control region Counter Control gates Charging trays Reading room table Study table Periodicals display rack UNBS 2018 All rights reserved iii

5 Foreword Uganda National Bureau of Standards (UNBS) is a parastatal under the Ministry of Trade, Industry and Cooperatives established under Cap 327, of the Laws of Uganda, as amended. UNBS is mandated to coordinate the elaboration of standards and is (a) a member of International Organisation for Standardisation (ISO) and (b) a contact point for the WHO/FAO Codex Alimentarius Commission on Food Standards, and (c) the National Enquiry Point on TBT Agreement of the World Trade Organisation (WTO). The work of preparing Uganda Standards is carried out through Technical Committees. A Technical Committee is established to deliberate on standards in a given field or area and consists of key stakeholders including government, academia, consumer groups, private sector and other interested parties. Draft Uganda Standards adopted by the Technical Committee are widely circulated to stakeholders and the general public for comments. The committee reviews the comments before recommending the draft standards for approval and declaration as Uganda Standards by the National Standards Council. The committee responsible for this document is Technical Committee UNBS/TC 12, Furniture. UNBS 2018 All rights reserved v

7 FINAL DRAFT UGANDA STANDARD FDUS : 2018 Library furniture and fittings Part 1: Timber Specification 1 Scope This Final Draft Uganda Standard specifies the requirements for the following items of wooden furniture meant for use in a library: a) unit book rack; b) bay guide holder; c) book trolley; d) catalogue cards tray and cabinet; e) catalogue cards box; f) catalogue cards work tray; g) control region fittings; h) charging trays; i) reading room table; j) study table; k) periodicals display rack; l) chairs; and m) display stand. 2 Normative references The following referenced documents referred to in the text in such a way that some or all of their content constitutes requirements of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. ISO 9089, Wooden screw-specifications ISO 13609, Blockboards and batten boards for general use-specification. ISO 19210, Adhesives -- Wood adhesives for non-structural applications ISO 25537, Mirror, specification US ISO 12465, Plywood for general purpose use- specification UNBS 2018 All rights reserved 1

8 US 839, Particleboards specification 3 Terms and definitions For the purposes of this document, the following terms and definitions apply. 3.1 bay Part of the face of a rack between two consecutive uprights 3.2 double faced unit rack Rack consisting of three uprights forming four open bays, two on each face 3.3 label holder groove along the front edge of the shelf plank designed to hold the shelf label so as to allow its movement from end to end 3.4 partition or bay stop divider fitted between the bay-pairs opening into the two opposite sides of a unit book rack 3.5 shelf plank horizontal support for books, spanning a bay 3.6 single faced unit rack Rack consisting of three uprights forming two bays 3.7 upright Vertical supporting element of a rack 4 Material requirements 4.1 Wood particleboards Wood particleboards required for the manufacture of various items of furniture shall conform to ISO and shall be of type FPSI or FPTH, that is, flat pressed single-layer board or flat pressed three-layer board. Wood particleboard used for wooden racks, cabinets, etc., which require baking paints or enamel finishes shall be manufactured with only BWR type of adhesives like phenol formaldehyde. 4.2 Veneered particleboards Both interior and exterior grades of veneered particleboards may be used where the furniture items are to be finished with air-drying paints or varnishes. Where oven-baking paints, enamel or varnishes are to be used, only exterior grade veneered particleboards shall be used. 4.3 Plywood Plywood used in the manufacture of various items of furniture and fittings for use in libraries shall conform to US ISO Any of the three grades, namely BWR, WWR and CWR of plywood may be used for items which are to be finished with air-drying paints, enamel or varnishes. Where items are finished with oven-drying 2 UNBS 2018 All rights reserved

9 paints, enamel or varnishes, only BWR grade of plywood shall be used. The plywood used shall not be inferior to Type BB. 4.4 Blockboards Blockboards shall conform to ISO and shall be of Grade 1 or 2, where air-drying finishes are adopted and Grade 1 only where oven-drying finishes are adopted in the manufacture of furniture items and fittings prescribed in this standard. 4.5 Timber Any of the species of timber recommended for furniture and cabinet making shall be used in the manufacture of wooden furniture and fittings used in libraries. The timber used shall have a moisture content not more than 15 %. 4.6 Adhesive Adhesive used for joinery work shall conform to ISO Wood screws Wood screws shall conform to ISO Paints, enamels and varnishes These shall conform to the relevant Uganda Standards, wherever they exist, for air-drying as well as stoving finishes 5 Dimensions and tolerances 5.1 Dimensions The overall dimensions of the unit book racks shall be as given in Table 1. Generally a 350-mm centre-tocentre distance should be adopted for shelves. 5.2 Tolerances The overall dimensions specified in Table 1 shall not vary by more than5 mm. The wooden book racks shall be rectangular at all the measurable surfaces within a tolerance of ± 8 mm between the two diagonals of the rectangle. Table 1 Dimensions of unit book racks S/No. Unit book rack Height mm Width mm Depth mm i Double - faced ii Single - faced UNBS 2018 All rights reserved 3

10 6 Fabrication 6.1 Bays Each bay shall have seven shelf planks out of which three (the topmost, central and the bottommost) shall be fixed and four shall be adjustable. NOTE The heavy and outsize books should be kept on their sides instead of on their bottom edges. 6.2 Uprights The uprights shall be of not less than 35 mm thickness. 6.3 Single faced unit racks Single faced unit racks shall be fabricated according to the specifications 6.4 Double faced unit racks General A typical illustration of a double faced unit rack is shown in Figure Shelf planks The thickness of shelf planks shall be not less than 25 mm. The depth of the shelf plank on top, centre and bottom of the rack shall be 450 mm. The depth of the adjustable shelf plank shall be 220 mm to allow space for the partition to be inserted between the bay pairs, opening into opposite faces. 4 UNBS 2018 All rights reserved

11 6.4.3 Partition To prevent the books in one face from getting mixed up with those of the other face, a partition (or bay stop) shall be provided. The partition shall start from the bottom of the topmost fixed plank and stop 150 mm above the top of the bottommost fixed plank Label holder The label holder shall be wrought along the front edge of each shelf plank and shall admit card strips 15 mm wide. It shall be in the form of a wedge shaped groove from end-to-end to hold the shelf label strips. 6.5 Loading Notwithstanding the provisions of minimum thickness, the shelf planks shall be designed to carry a static load of 40 kg per shelf plank per bay; and the bottom shelf plank in case of double faced unit racks shall be designed to carry a load of 80 kg. 7 Bay guide holders The external dimensions of bay guide holders shall be 400 mm x 200 mm. It shall be provided with a groove arrangement so that the guide could be slid along the length. It shall also have hooks for suspension from a rod or from rings above. 8 Book trolley 8.1 The essential features of a book trolley are shown in Figure The trolley shall have two pairs of sloping shelves and one flat bottom shelf for books of large size. UNBS 2018 All rights reserved 5

12 8.3 The height of the trolley shall be 750 mm the same as that of a table. 8.4 The planks shall be suitably supported such as by iron rods and the uprights rigidly connected to each other and shall fulfill the loading requirements. 8.5 Suitable protection may be provided at the bottom corners and the ends of uprights to minimize damage due to knocking against other furniture or fittings or walls or pillars. 8.6 The trolley shall be fitted with four rubber tyred ball-bearing wheels; one of the swiveling type at each end and two of the fixed type in the centre. 9 Catalogue cards tray and cabinet 9.1 Dimensions and construction of tray The size of the catalogue cards tray is based on the card size of 125 mm x 75 mm Each tray shall be constructed as shown in Figure The external dimensions of the tray shall be 155 mm x 100 mm x 430 mm. The side and back planks shall be 12 mm thick and 55 mm high. The front plank of the tray shall be 155 mm wide and 1.00 mm high A central strip (not shown in Figure 3) shall be provided at the bottom of the tray to receive a device to prevent the sliding of the card rest. It shall be 30 mm x 5 mm The bottom of the tray shall also be fitted with two reapers 25 mm x 5 mm (not shown), properly centered and inter-connected. The bottom shall not be covered in order to prevent collection of dust A brass rod or a rod of similar corrosion resisting material, 5 mm in diameter shall be fitted right through the centre of tray to lock up the cards. A knob shall be screwed to the rod projecting through the face plank, to permit pulling out of the rod. The rod shall be held at the back of the plank with a hook To prevent the tray from being accidently pulled entirely out of the socket, a self locking gravity catch shall be fixed suitably. 6 UNBS 2018 All rights reserved

13 A brass label holder shall be provided at the face plank just above the centre. The face plank may also be fitted with a knob or a handle to pull the tray A movable card rest with a hole in the appropriate position for the brass rod to pass through it shall be fitted. A fixed card rest adjacent to the face plank or a suitable slope of the rear of the face plank, shall also be provided. 9.2 Dimensions and construction of cabinet General The cabinet shall consist of two parts: a) the cabinet, and b) the stand on which the cabinet rests Dimensions The dimensions of the cabinet shall depend upon the number of trays it carries. The overall dimensions of the catalogue cards cabinets having different number of trays shall be as given in Table 2. Table 2 Dimensions of catalogue cards cabinets S/No. Number of trays Length mm Height mm Depth mm Stand Body i ii iii iv v vi vii Construction A typical illustration of the cabinet consisting of 36 trays in six columns of six trays each is shown in Figure 4. UNBS 2018 All rights reserved 7

14 The planks used for the sides, 20 mm thick, back, bottom and top shall be used The front of the cabinet shall be divided into six vertical columns by means of five intermediate planks 20 mm thick and 100 mm wide The front of the columns shall be connected with the back of the cabinet by pairs of cross bearers at regular intervals to give a clear socket opening for the tray to fit in. The cross bearer shall have 20 mm thickness and 25 mm width Suitable arrangements shall be made to lock at least two consecutive columns by one device A pull out slide, where desired, may be provided within the cabinet. 10 Catalogue cards box 10.1 The catalogue cards box shall be constructed as shown in Figure 5. 8 UNBS 2018 All rights reserved

15 10.2 The box and its lid shall be of equal height, so that when fully open each of them rests on the table top The bottom part shall be provided with a brass label holder and a pair of flat bra and hooks. The lid shall have the eyes to take the hooks. 11 Catalogue cards work tray Catalogue cards work tray is functionally the same as the catalogue cards box but it is more like a tray (see Figure 6). A fixed and a movable card rest shall be provided as in UNBS 2018 All rights reserved 9

16 12 Control region fittings 12.1 Control region The size of control region shall depend on the following: a) size of library; b) clientele of the library; c) number of books issued out; and d) records to be maintained at the counter The dimensions of control region shall depend on number of persons operating the control region. The essential dimensions required to enable operation per person shall be as indicated in Figure UNBS 2018 All rights reserved

17 12.2 Counter, The counter shall have three shelves all round except at places intended to be occupied by the circulation staff as shown in Figure 7, where kneehole space, 600 mm wide, shall be provided. At a height of mm from the ground there shall be a transparent plate shelf or a wooden shelf with plastic laminates all around. This shelf shall be cantilevered and there shall be no vertical support near the working edge of the counter so that an un-interrupted space is available on the counter deck for free movement of trays. The vertical barrier between the counter deck and the shelf at the farther edge shall be of wood with plastic laminates or veneers. If the counter is to be against a wall the side which touches the wall may not be provided with the shelf Control gates The control gates shall consist of either 3 single leaf door with a gravity hinge or another similar device. The clear passage when the central gate is open, shall be approximately 500 mm. 13 Charging trays 13.1 Charging trays are meant for containing readers tickets and may have one, two, three or four compartments The essential dimensions of the charging trays depend upon the size of the tickets issued. The overall dimensions of various trays shall be according to Newark Charging System or Browne Charging System as given in Table 3. The outer planks shall be of 18 mm thickness and the inner partitions for making compartments shall be 12 mm thick. UNBS 2018 All rights reserved 11

18 14 Reading room table 14.1 The size of the reading room table shall be 900 mm x 600 mm for single and mm x 600 mm for three readers. A typical illustration of the reading room table is shown in Figure 8. The height of the table top shall be 750 mm The minimum kneehole space per reader shall be 450 mm deep, 650 mm high and 600 mm wide The footrest, either in the form of a fixed rod or as a separate pipe shall be provided at the height of 150 mm from the floor. 15 Study table 15.1 A study table shall have the same dimensions as the reading room table for a single reader, that is, 900 mm x 600 mm. It may have additional provisions for the following: a) side drawers with locking arrangement; and b) shelf space for keeping documents on the top of the table with lighting arrangement A typical illustration of the study table is shown in Figure 9. Dimensions in millimeters 12 UNBS 2018 All rights reserved

19 Figure 9 Typical illustration of study table 16 Periodicals display rack 16.1 Dimensions The overall dimensions of the periodicals display rack shall be as follows: a) height: 1910 mm; b) width: 1435 mm; and c) depth: 405 mm 16.2 Construction A periodicals display rack shall consist of twenty five compartments in five rows. Each compartment shall be of the size 265 mm x 345 mm and it shall be fitted with a display shelf having a handle cum label holder. The outer sides of the rack shall be of 18 mm thick teak board. The uprights, top and bottom shelves shall also be made of teak board of 18 mm: thickness. Intermediate horizontal shelves shall be of 12 mm commercial ply and the display shelves shall be of teak wood frame with 5 mm teak ply. A typical illustration of a periodicals display rack is shown in Figure 10. UNBS 2018 All rights reserved 13

20 17 Chairs 17.1 The essential dimensions of wooden chairs shall be as given in to and illustrated in Figure The height of top of the seat of the chair above floor level shall be 450 mm. 14 UNBS 2018 All rights reserved

21 The maximum effective depth of the seat shall be 450 mm. This shall be measured from a vertical line through the centre of the front edge of the seat to a vertical lint through the centre of the back edge of the seat The seat shall be either horizontal or sloping downwards between 2º to 3º, from front to back The minimum width of the seat shall be 450 mm The minimum distance between the insides of the arms should be not less than 460 mm. The height of the elbow rest above the effective seat height shall be 200 mm. The arm rest may have a setback of 75 mm from the front edge of the seat The height of back rest above the top of the seat shall be 450 mm The chairs shall be fitted with noise-prevention pads in the legs The chair seats shall not be hard or upholstered but shall preferably be of woven material to ensure ventilation and slight yielding when in use The back rest of the chair shall be curved in plan or so shaped to give comfort to the body. It shall neither be too curved to restrict the movement of the back nor be too flat The height of the seat for counter chair shall depend upon the height of the counter. 18 Display stand 18.1 The display stand shall be of 910 mm x 910 mm or mm x mm size. It shall be made of any soft surface board like perforated board, straw board, etc. and shall be capable of holding pins The display stand may either be single or double as required. 19 Finishing 19.1 Wood panel components shall be given a coat of primer paint and filler. Wood putty shall be applied to all the surfaces requiring filling and shall conform to the relevant Indian Standards. After preparing the surfaces two coats of enamel or paint, that is, one under-coat and one finishing coat shall be given. Alternatively, the surfaces may be stained and polished. The finishing coat shall be of synthetic air-drying enamel or stoving enamel for wood work. The enamel or paint shall be of exterior type and of a finish and colour as required. In case of stoving enamels or paints, the components of the finished furniture items shall be stored at suitable temperature and for suitable time as advised by the manufacturer of the enamel The finish shall be smooth, uniformly applied and free from visible defects. It shall be well based and shall not readily chip or flake. The dry film thickness shall be not less than10 mm All other components shall be finished in colour as agreed to between the purchaser and the manufacturer. 20 Marking All items manufactured in accordance with this standard shall be legibly and indelibly marked with the following: a) manufacturer s name, address/trademark; UNBS 2018 All rights reserved 15

Certification marking Products that conform to Uganda standards may be marked with Uganda National Bureau of Standards (UNBS) Certification Mark shown in the figure below.

This mark can be used only by those licensed under the certification mark scheme operated by the Uganda National Bureau of Standards and in conjunction with the relevant Uganda Standard.

25 Certification marking Products that conform to Uganda standards may be marked with Uganda National Bureau of Standards (UNBS) Certification Mark shown in the figure below. The use of the UNBS Certification Mark is governed by the Standards Act, and the Regulations made thereunder. This mark can be used only by those licensed under the certification mark scheme operated by the Uganda National Bureau of Standards and in conjunction with the relevant Uganda Standard. The presence of this mark on a product or in relation to a product is an assurance that the goods comply with the requirements of that standard under a system of supervision, control and testing in accordance with the certification mark scheme of the Uganda National Bureau of Standards. UNBS marked products are continually checked by UNBS for conformity to that standard. Further particulars of the terms and conditions of licensing may be obtained from the Director, Uganda National Bureau of Standards. UNBS 2018 All rights reserved 19

DRAFT UGANDA STANDARD

DRAFT UGANDA STANDARD DUS 193-1 First Edition 2018-09-dd Steel wires and wire products for fencing Part 1: Barbed wires Specification Reference number UNBS 2018 Compliance with this standard does not,