1、 Collection of SANS standards in electronic format (PDF) 1. Copyright This standard is available to staff members of companies that have subscribed to the complete collection of SANS standards in accordance with a formal copyright agreement. This document may reside on a CENTRAL FILE SERVER or INTRA
2、NET SYSTEM only. Unless specific permission has been granted, this document MAY NOT be sent or given to staff members from other companies or organizations. Doing so would constitute a VIOLATION of SABS copyright rules. 2. Indemnity The South African Bureau of Standards accepts no liability for any
3、damage whatsoever than may result from the use of this material or the information contain therein, irrespective of the cause and quantum thereof. ISBN 978-0-626-22183-6 SANS 493:2009Edition 2.1Any reference to SABS 493 is deemedto be a reference to this standard(Government Notice No. 1373 of 8 Nove
4、mber 2002)SOUTH AFRICAN NATIONAL STANDARD Steel refuse bins Published by SABS Standards Division 1 Dr Lategan Road Groenkloof Private Bag X191 Pretoria 0001Tel: +27 12 428 7911 Fax: +27 12 344 1568 www.sabs.co.za SABS SANS 493:2009 Edition 2.1 Table of changes Change No. Date Scope Amdt 1 2009 Amend
5、ed to change the designation of SABS standards to SANS standards, and to update referenced standards. Acknowledgement The SABS Standards Division wishes to acknowledge the valuable assistance derived from the manufactures of steel refuse bins. Foreword This South African standard was approved by Nat
6、ional Committee SABS SC 122A, Packaging Packaging, in accordance with procedures of the SABS Standards Division, in compliance with annex 3 of the WTO/TBT agreement. This document was published in October 2009. This document supersedes SABS 493:1973 (edition 2). A vertical line in the margin shows w
7、here the text has been technically modified by amendment No.1. SANS 493:2009 Edition 2.1 1 Contents Page Acknowledgement Foreword 1 Scope . 3 2 Definitions 3 3 Requirements . 3 3.1 Materials 3 3.2 Size and dimensions . 4 3.3 Construction 5 3.4 Strength . 6 4 Marking 6 5 Sampling and compliance with
8、the specification . 6 5.1 Sampling . 6 5.2 Compliance with the specification . 7 6 Inspection and methods of test 7 6.1 Inspection 7 6.2 Test for the rigidity of the bottom 7 6.3 Resistance to edge drops . 8 6.4 Test for strength of handles 8 6.5 Test for zinc coating 8 Figures 1 to 4 9-11 Appendix
9、A Applicable standards 12 Appendix B Notes to purchasers . 12 SANS 493:2009 Edition 2.1 2 This page is intentionally left blank SANS 493:2009 Edition 2.1 3 Steel refuse bins 1 Scope 1.1 This specification covers zinc-coated steel refuse bins with removable lids and nominal capacities of 85 L and 57
10、L. NOTE 1 The titles of standards referred to by number in the specification are given in appendix A. NOTE 2 Requirements that must be specified by the purchaser are listed in appendix B. 2 Definitions 2.1 For the purposes of this specification the following definitions shall apply: defective bin or
11、 lid that fails in one or more respects to comply with the appropriate requirements of the specification lot at least 10 and not more than 8 000 items (each item comprising a bin complete with lid) or not more than 8 000 bins or lids (if these are supplied separately), of the same size, from one man
12、ufacturer, submitted at any one time for inspection and testing refuse household and other refuse, excluding hot ashes and live coals 3 Requirements 3.1 Materials 3.1.1 Steel All plates, hoops, handles, rivets, and weld metal used in the construction of bins and lids shall be of mild steel of the ap
13、propriate thickness specified. 3.1.2 Zinc The composition of the zinc used in the coating of the bins and lids shall be such as to allow the bins and lids to comply with the requirements of 3.3.6. SANS 493:2009 Edition 2.1 4 3.2 Size and dimensions 3.2.1 Size The bins shall have a nominal capacity o
14、f 85 L or 57 L, as specified by the purchaser. 3.2.2 Bins and lids The dimensions of finished bins and lids shall conform to the appropriate values given in table 1. Table 1 Dimensions of bins and lids (with zinc coating) (see figure 1) Dimensions in millimetres 1 2 3 4 5 6 7 Bin dimensions Lid dime
15、nsions Bin size Top internal diameter Bottom internal diameter Internal depth Internal diameter Internal depth of skirt Height of doming L A B CaDbEcR, min 85 455 4 394 4 610 7 495 6 40 13 57 428 4 362 4 460 7 483 6 45 13 aMeasured vertically between the top of the bin and a point on the bottom 7 mm
16、 away from the side wall. bIf a closer fitting lid is required for a 85 L bin, a lid of the dimensions specified for the 57 L bin should be used. cMeasured at a position 15 mm away from the inner face of the skirt. 3.2.3 Handles The dimensions of the finished lid and bin handles shall conform to the
17、 values given in columns 5, 6, 8, 9, and 10 of table 2. The cross-section of the grip portion of the bin handles shall be circular and that of the lid handles rectangular. Table 2 Dimensions of handles and of bins and lids (with zinc coating) (see figure 2) Dimensions in millimetres1 2 3 4 5 6 7 8 9
18、 10 Bin handles Lid handles Clear distance to top of bin Grip portion Bin size H Clearance between handle and side of bin Length of straight portion of grip Diameter of grip portion Clearance between handle and top of lid Length of straight portion of grip Width ThicknessL max. min. I, min. M, min.
19、J, min. F, min. G, min. K, min. L, min. 85 185 178 50 100 8 30 95 19 2,0 57 140 133 50 100 8 30 95 19 2,0 3.2.4 Thickness of plates The thicknesses of the plates (prior to zinc coating) used in the manufacture of the lid, the side, and bottom of bins, and for the bottom reinforcing hoops shall confo
20、rm to the appropriate values given in table 3. SANS 493:2009 Edition 2.1 5 Table 3 Thickness of plate (prior to zinc coating) 1 2 3 4 5 Plate thickness mm, min. Bin size L Bin side Bin bottom Bottom reinforcing hoop Lid 85 1,00 1,20 3,00 0,80 57 0,80 1,00 3,00 0,80 3.3 Construction 3.3.1 Upper part
21、of bin The rim of bins shall have a bead, of external diameter 8 mm 2 mm that is such that after the zinc coating has been applied, the width of the gap between the bead and the side of the bin does not exceed 1 mm. There shall be a projection rolled in the side of the bin below the bead, positioned
22、 and of the dimensions as shown in figure 3. The handles shall be diametrically opposite to each other to within 15 mm. 3.3.2 Bottom (see figure 4) The radius of curvature of the bottom (where it meets the side) shall be at least 6 mm. The bottom shall have a reinforcing hoop whose ends are joined b
23、y welding. The hoop (and its attachment to the bin) shall be such that the lower edge of the hoop does not deviate from plane by more than 5 mm and that the clearance between the bottom of the bin and the plane of the lower edge of the hoop is at least 8 mm. 3.3.3 Seams Seams shall be either welded
24、or folded. There shall be one seam only in the side-wall and the seam between the side and bottom of the bin shall not extend above the upper edge of the bottom hoop by more than 13 mm (see figure 4). 3.3.4 Nesting Each bin shall have a positive stop (such as afforded by the handles) that is such th
25、at when two bins of the same size are nested together and are then inverted, the inner bin falls out under its own weight. 3.3.5 Lid The lid shall be made of one piece of sheet to which the handle is secured. The edge of the skirt shall have a bead, of external diameter 8 mm 2 mm that is such that,
26、after the zinc coating has been applied, the width of the gap between the bead and the surface of the skirt does not exceed 1 mm. 3.3.6 Workmanship The internal surfaces of the bin shall not be corrugated and shall be free from surface irregularities of depth or height exceeding 2 mm (other than tho
27、se caused by the markings required in terms of section 4, by rivet heads, by seams, and by the rolled projection specified in 3.3.1). 3.3.7 Finish Each bin and lid shall be completely covered by a zinc coating that complies with the requirements of SANS 121 and SANS 32 for zinc coatings. Amdt 1 SANS
28、 493:2009 Edition 2.1 6 3.4 Strength 3.4.1 Rigidity of the bottom After a bin has been tested in accordance with 6.2, the clearance between the bottom of the bin and the plane of the lower edge of the bottom reinforcing hoop shall be at least 8 mm. 3.4.2 Resistance to edge drops After a bin has been
29、 tested in accordance with 6.3, a) when the sand is removed and the bin is half-filled with water, the rate of any leakage of the water shall not exceed half a litre in 2 min, and b) there shall be no fracture of weld or plate metal other than cracks in welds that extend across less than 10 % of the
30、 greatest length of the weld or across 3 mm, whichever is the lesser. 3.4.3 Strength of handles When a bin is tested in accordance with 6.4, the handles may become bent but there shall be no fracture of a weld or tearing of the parent metal. 4 Marking 4.1 Each bin and lid shall be durably and legibl
31、y marked with the name or symbol identifying the factory in which it was made. 4.2 In addition to the markings required in terms of 4.1, each bin or lid (or both) shall be marked in accordance with the requirements of the purchaser. 5 Sampling and compliance with the specification1)5.1 Sampling The
32、following sampling procedure shall be applied in determining whether a lot complies with the requirements of the specification. The samples so taken shall be deemed to represent the lot for the respective properties. From the lot take at random the number of items, or bins, or lids (as relevant), sh
33、own in columns 2 and 3 of table 4 relative to the appropriate lot size shown in column 1. NOTE The sample for testing may be taken from the inspection sample after it has been inspected. 1) This section applies to the sampling for inspection and testing before acceptance or rejection of single lots
34、(consignments) in cases where no information about the implementation of quality control or testing during manufacture is available to help in assessing the quality of the lot. It is also used as the procedure for adjudicating in cases of dispute. SANS 493:2009 Edition 2.1 7 Table 4 Lot size and sam
35、ple size 1 2 3 4 5 Sample size items, bins, or lidsaAcceptance number Lot size items, bins, or lidsaFor inspection For testing For inspection For testing 10 66 111 65 110 180 2 3 5 1 2 2 0 0 0 0 0 0 181 301 501 300 500 800 7 10 15 3 3 3 1 1 1 1 1 1 801 1 301 3 201 1 300 3 200 8 000 25 35 50 4 4 5 2
36、2 3 1 1 2 aAs relevant. 5.2 Compliance with the specification The lot shall be deemed to comply with the requirements of the specification if after inspection and testing of the samples taken in accordance with 5.1 the numbers of defectives found do not exceed the corresponding acceptance numbers sh
37、own in columns 4 and 5 respectively of table 4. 6 Inspection and methods of test 6.1 Inspection Visually examine and measure each item or each bin or lid (as relevant) for compliance with all the relevant requirements with which compliance is not assessed by testing. 6.2 Test for the rigidity of the
38、 bottom Measure the clearance between the bottom of the bin and the plane of the lower edge of the bottom reinforcing hoop. Load the bin with sand to the appropriate of the following masses: Bin size Gross mass L kg 85 57 90 1 60 1 Secure the lid in place and drop the bin, in a vertical position fro
39、m a height of 300 mm 10 mm, ten times onto a steel plate (of thickness at least 12 mm and width at least 500 mm) that is superimposed on a plane concrete slab of thickness at least 75 mm. Between drops make good sand lost during the previous drop. After ten drops re-measure the clearance between the
40、 bottom of the bin and the plane of the lower edge of the bottom hoop. SANS 493:2009 Edition 2.1 8 6.3 Resistance to edge drops Re-load the bin as in 6.2 and so secure the lid on the bin as to minimize the sand lost in the test. Raise the bin by one handle so that the lowest point of the bottom hoop
41、 is 1 050 mm 15 mm above the plate and allow the bin to drop, but prevent the bin from falling over onto either of its handles after contact with the plate. Repeat the drop using the other handle, and continue dropping the bin from alternate handles until a total of six drops has been made, making g
42、ood, between drops, sand lost during the previous drop. Then remove the sand from the bin, examine it for compliance with 3.4.2(b) and fill it, to half its nominal capacity, with water and check for compliance with 3.4.2(a). 6.4 Test for strength of handles 6.4.1 Bin handles After subjecting the bin
43、 to the tests given in 6.2 and 6.3, secure it (empty) in an upright position and so drop a flat-bottomed mass of 9 kg from a height of 300 mm 10 mm that it strikes the centre of the grip portion of one handle of the bin. Invert the bin and secure it in the upside-down position and drop the mass onto
44、 the same handle in a similar manner as before. Repeat the above drops until a total of 14 drops has been applied, 7 in each direction, to one handle. Repeat the test on the other bin handle, and then examine the bin and handles for compliance with 3.4.3. 6.4.2 Lid handles Secure the lid, standing o
45、n the lower edge of its skirt, with the handle horizontal. So drop the mass used in 6.4.1 from the same height that it strikes the edge of the grip portion of the handle. Rotate the lid and repeat the drop onto the other edge of the grip of the handle. Repeat the above drops until a total of 8 drops
46、 has been applied, 4 to each edge of the handle, and then examine the handle and lid for compliance with 3.4.3. 6.5 Test for zinc coating After subjecting a bin to the tests given in 6.2, 6.3, and 6.4, cut specimens from the side and bottom of the bin and from the lid, and use the relevant methods g
47、iven in SANS 121 and SANS 32 to test for compliance with 3.3.6. Amdt 1 SANS 493:2009 Edition 2.1 9 Figure 1 SANS 493:2009 Edition 2.1 10 Figure 2 SANS 493:2009 Edition 2.1 11 Dimensions in millimetres Figure 3 Dimensions in millimetres Figure 4 SANS 493:2009 Edition 2.1 12 Appendix A Applicable stan
48、dards Reference is made to the latest issue of the following standards: SANS 32/EN 10240, Internal and/or external protective coatings for steel tubes Specification for hot dip galvanized coatings applied in automatic plants. Amdt 1 SANS 121/ISO 1461, Hot dip galvanized coatings on fabricated iron a
49、nd steel articles Specifications and test methods. Amdt 1 Appendix B Notes to purchasers The following requirements must be specified in tender invitations and in the order or contract: a) the size (see 3.2.1); and b) when relevant, the additional markings (see 4.2). SABS SABS Standards Division The objective of the SABS Standards Division is to develop, promote and maintain South African National Standards. This objective is incorporated in the Standards Act, 2008 (Act No. 8 of 2008). Amendments and Revisions
