AS NZS 3500 2 2 1996 amdt 1 1999 national plumbing and drain

Title AS/NZS 3500.2.2-1996/Amdt 1-1999 National Plumbing and Drainage - Sanitary plumbing and drainage-Acceptable solutions Licensee Licensed to LUU MINH LUAN on 26 Feb 2002 Conditions of use This is a licensed electronic copy of a document where copyright is owned or managed by Standards Australia International Your licence is a single user licence and the document may not be stored, transferred or otherwise distributed on a network You may also make one paper copy of this document if required Web Check-up AS/NZS 3500.2.2/Amdt 1/1999-08-05 STANDARDS AUSTRALIA/STANDARDS NEW ZEALAND Amendment No to AS/NZS 3500.2.2 — 1996 National Plumbing and Drainage Part 2.2: Sanitary plumbing and drainage — Acceptable solutions REVISED TEXT The 1996 edition of AS/NZS 3500.2.2 is amended as follows; the amendments should be inserted in the appropriate places SUMMARY : This Amendment applies to Clauses 1.3.1, 2.4.12, 2.4.13, 3.4.3, 3.10.3, 4.6.7.8, 4.6.8.1, 4.6.8.2, 4.7.1, 4.8.2, 4.9.1, 4.9.4, 5.4.2, 5.4.3, 6.2, 6.3.4.1, 6.4.2.1(d), 6.4.2.2, 7.5.2, 9.4.3, 9.13.10, 11.25.2, 11.27.4, Figures 3.5, 4.3, 4.6, 6.1, 6.2, 6.5, and Appendices A and C Licensed to LUU MINH LUAN on 26 Feb 2002 Single user licence only Storage, distribution or use on network prohibited Published on August 1999 Approved for publication in New Zealand on behalf of the Standards Council of New Zealand AMDT No AUG 1999 Page Clause 1.3.1 AMDT No AUG 1999 Page 11 Clause 2.4.12 (New) Delete ‘procedure’ and replace with ‘solution’ Add the following new clause: 2.4.12 High density polyethylene (HDPE) The following limitations shall apply to the use of high density polyethylene pipes and fittings: (a) AMDT No AUG 1999 For installation purposes — (i) the jointing of pipes and fittings, handling and general installation requirements shall be in accordance with AS 2033 (or NZS/AS 2033) and the manufacturers’ instructions; (ii) when passing through concrete footings, pipes and fittings shall be wrapped with an impermeable flexible sheath of not less than mm thick or as specified by a structural engineer; and (iii) when fully encased in concrete structures, subject to the approval of a structural engineer, pipes and fittings shall be installed in accordance with the manufacturers installation instructions (see Clause 9.4.3) Page 11 Clause 2.4.13 (New) Add the following new clause: 2.4.13 Stainless steel pipes and fittings use of stainless steel pipes and fittings: The following limitations shall apply to the (a) Austenitic stainless steel pipes and fittings shall be Type 304, 304L, 316 or 316L complying with ASTM A240/A240M (b) The fabrication of fittings and assemblies, including bending, shall not be permitted in the field (c) Stainless steel drains to be installed below ground surface shall be Type 316 ISBN 7337 2676 AMDT No AUG 1999 Page 16 Clause 3.4.3 AMDT No AUG 1999 Page 22 Clause 3.10.3 First line, delete 20°’ and replace with ‘20%’ Delete existing clause and replace with the following: 3.10.3 Maximum length The maximum combined length of an unvented branch drain and fixture discharge pipe (see Figure 3.5) shall be as follows: Licensed to LUU MINH LUAN on 26 Feb 2002 Single user licence only Storage, distribution or use on network prohibited (a) AMDT No AUG 1999 10 m from the vented drain to the weir of the fixture trap, provided that where the discharge pipe size is smaller than the unvented drain size, the maximum length of discharge pipe shall not exceed — (i) m, for water closet pans with DN80 outlets; (ii) 1.5 m, for basins and bidets fitted with ‘s’ traps; and (iii) 2.5 m, for all other fixtures (b) 10 m to the weir of a disconnector gully, or sullage dump point located in a caravan park (c) The unvented branch drain and fixture discharge pipe shall be installed in accordance with Clauses 3.10.4, 3.10.5 and Figure 3.5 Page 25 Figure 3.5 Delete ‘vanted’ and replace with ‘vented’ Add ‘1.5 max.’ to vertical length only to ‘P-trap basin’ AMDT No AUG 1999 Page 41 Clause 4.6.7.8 AMDT No AUG 1999 Page 42 Clause 4.6.8.1 Last line, delete ‘8.5 m’ and replace with ‘10 m’ Add new Item (d), as follows: (d) AMDT No AUG 1999 A lockshield (shrouded) hose tap installed in the same room, and with a graded floor Page 42 Clause 4.6.8.2 Delete existing clause and replace with the following: 4.6.8.2 Installation The charge pipe shall be in the size range of DN6 to DN15 (a) Charge pipes from flushing devices, tap sets or hot water relief valve drains shall not exceed 10 m in length (b) Charge pipes from mechanical priming devices shall be installed in accordance with the manufacturer’s installation instructions NOTE: The charge pipe to the floor gully should be installed so as not to impede access for maintenance AMDT No AUG 1999 Page 42 Clause 4.7.1 Delete existing clause and replace with the following: 4.7.1 Location 4.7.1.1 General The location of inspection openings in drains shall be in accordance with Clauses 4.7.1.2 and 4.7.1.3 Licensed to LUU MINH LUAN on 26 Feb 2002 Single user licence only Storage, distribution or use on network prohibited 4.7.1.2 Australian requirements Except where inspection chambers are provided, inspection openings for maintenance purposes (see Figure 4.4) shall be provided — (a) as close as practicable outside the building on each branch connecting one or more water closets or slop hoppers but not greater than 2.5 m; (b) at each end of the straight section of a main drain and at intervals of not more than 30 m (c) at the connection to the regulating authority’s sewer, if not provided by the authority; (d) on the downstream end where any drain passes under a building except where waste fixtures only are connected; (e) where any new section of drain is connected to an existing drain; and (f) immediately at or upstream of the upper bend of a jump-up 4.7.1.3 New Zealand requirements Inspection openings or other means of access for maintenance shall be provided in accordance with NZBC G13/AS2 AMDT No AUG 1999 Page 42 Clause 4.8.2 AMDT No AUG 1999 Page 43 Figure 4.3 Add to the end of Clause 4.8.2 ‘or in New Zealand, with those given in NZBC G13/A52.’ Item (a), delete ‘8.5 m’ and replace with 10.0 m Item (b), delete ‘DN6’ AMDT No AUG 1999 Page 46 Clause 4.9.1 Item (d), delete ‘pipes’ and replace with ‘drains’ Add new Items (e), and (f), as follows: (e) Where an equal junction is used to make the connection of a branch drain the same size as the main drain, the entry level of the branch drain may be on grade (f) Junctions installed in the vertical plane shall not be used for the connection of stacks Add new Clause 4.9.4 as follows: Licensed to LUU MINH LUAN on 26 Feb 2002 Single user licence only Storage, distribution or use on network prohibited 4.9.4 Junctions installed in vertical plane Sweep and oblique junctions are permitted to be laid in the vertical plane for the connection of a single discharge pipe or a drain, provided the vertical riser does not exceed m in height, above the invert of the main drain, and in accordance with the following: AMDT No AUG 1999 (a) Branch drains connected off the vertical riser shall be independently supported (b) Where a vertical riser is to be extended to ground level and/or the distance between the invert of the main drain and the invert of the branch drain exceeds m, concrete shall be used as follows: (i) For sweep junctions beneath the lower half of each junction to a minimum thickness of 100 mm (ii) For oblique junctions beneath the junction to a minimum thickness of 100 mm and continued up vertically to the underside of the bend fitted ot the junction fitting Page 49 Figure 4.6 Delete Figure 4.6 and replace with new Figure 4.6 Licensed to LUU MINH LUAN on 26 Feb 2002 Single user licence only Storage, distribution or use on network prohibited AMDT No AUG 1999 FIGURE 4.6 TYPICAL VERTICAL JUMP-UP FROM MAIN DRAIN TO GRADED BRANCHES AMDT No AUG 1999 Page 51 Clause 5.4.2 Delete Item (a) and replace with the following: (a) Crushed rock or gravel screenings of nominal sizes 7–10 mm Add new Item (d), as follows: (d) AMDT No AUG 1999 Sand shall be free running, capable of passing through a mm mesh sieve, and shall not contain clay, organic or any other deleterious materials Page 51 Clause 5.4.3 Delete existing clause and replace with the following: Licensed to LUU MINH LUAN on 26 Feb 2002 Single user licence only Storage, distribution or use on network prohibited 5.4.3 Pipe side support and overlay materials Pipe sidesupport and pipe overlay material shall not be inferior to pipe bedding material AMDT No AUG 1999 Page 53 Clause 6.2 AMDT No AUG 1999 Page 55 Clause 6.3.4.1 AMDT No AUG 1999 Page 55 Clause 6.4.2.1(d) Second paragraph, second last line, delete ‘Table 6.1’ and replace with ‘Appendix C’ Item (b) delete ‘(domestic only)’ Delete Item (d) and replace with the following: (d) AMDT No AUG 1999 The invert level of the trap or floor waste gully weir shall be a minimum of 10 mm higher than the soffit of the graded discharge pipe to which it connects (see Figure 6.2) Page 56 Figure 6.1 Delete ‘1.0 max.’ and replace with ‘1.2 m max.’ Delete ‘Same type of waste fixture’ and replace with ‘Combination of waste fixtures.’ AMDT No AUG 1999 Page 56 Figure 6.2 AMDT No AUG 1999 Page 57 Clause 6.4.2.2 Add to dimension ‘10 mm min.’ First line, add after ‘connected’, ‘to comply with Clause 6.4.2.1(d),’ Second last line, after the word ‘grade’, delete the rest of the sentence AMDT No AUG 1999 Page 62 Figure 6.5 For the left-hand drawing: Delete ‘more’ and replace with ‘less’ Delete Clause 6.6.1(a) and replace with Clause 6.6.1(b) AMDT No AUG 1999 Page 67 Clause 7.5.2 Delete existing clause and replace with the following: 7.5.2 Topmost fixture connected to the stack Where the topmost discharge pipe connected to the stack exceeds m for combination pan rooms sinks (DN 100), slop hoppers (DN 100), water closet pans (DN 100) and 2.5 m for all other fixtures, a trap vent shall be connected in accordance with the requirement of Clauses 7.5.1(a) and (b) AMDT No AUG 1999 Page 111 Clause 9.4.3 Delete existing clause and replace with the following: 9.4.3 Structural concrete or brickwork Piping shall not be installed in any structural concrete slab, beam, column, concrete wall or load-bearing brickwork, unless approved by a structural engineer AMDT No AUG 1999 Page 115 Clause 9.13.10 (New) Add the following new clause: Licensed to LUU MINH LUAN on 26 Feb 2002 Single user licence only Storage, distribution or use on network prohibited 9.13.10 HDPE joints HDPE manufacturers’ instructions AMDT No AUG 1999 joints shall be installed in accordance with Page 125 Clause 11.25.2 Delete the first sentence of clause and replace with the following: 11.25.2 Wall-hung Wall-hung urinals other than those with an integral trap shall be connected to a trap no smaller than DN40 or DN32 for New Zealand only AMDT No AUG 1999 Page 127 Clause 11.27.4 Delete existing clause and replace with the following: 11.27.4 Termination of discharge pipe shall terminate — AMDT No AUG 1999 The outlet from an untrapped floor drain (a) where it cannot cause damage or be a nuisance; and either (b) internally over a tundish connected to a floor waste gully, in accordance with Table 4.4; or (c) externally with a flap and within 100 mm above ground level Page 130 Appendix A Under AS, add the following: 2033 Installation of polyethylene pipe systems Under AS, delete the following: 1260 Unplasticized PVC (UPVC) pipe and fittings for sewerage applications AMDT No AUG 1999 Page 131 Appendix A Under AS/NZS, add the following: 1260 PVC pipes and fittings for drain waste and vent applications Under NZS/AS, add the following: 2033 Installation of polyethylene pipe systems Under NZBC add the following: G13/AS2 Foul water, Acceptable solution Under ASTM add the following: A240/A240M Heat-resisting chromium and chromium-nickel stainless steel plate, sheet and strip for pressure vessels AMDT No AUG 1999 Page 133 Appendix C Fourth row BATH, DN40 trap and waste, third column, delete ‘3.5’ and replace with ‘6.0’ Licensed to LUU MINH LUAN on 26 Feb 2002 Single user licence only Storage, distribution or use on network prohibited Fourth row BATH, DN50 trap and waste (NZ only), third column, add ‘3.5’ Sixth row BIDETTE/BIDET, third column, add ‘Australia only’ DN32/40 trap and waste, third column, delete ‘NP’ and replace with ‘3.5’ AMDT No AUG 1999 Page 135 Appendix C AMDT No AUG 1999 Page 136 Appendix C First row URINALS (slab), DN100 grate and DN65 trap and waste, Columns 6, and 8, delete ‘2.5’, and replace with ‘6.0’ First row WATER CLOSET PAN Add under DN100 outlet,‘DN 80 outlet’, and, in Columns 2, 3, 4, 6, and the values ‘NP’, ‘NP’, ‘10.0’, ‘2.5’, ‘2.5’ and ‘2.5’ ‘DN 80 outlet (NZ only) and in Columns 2, 3, 4, 6, and the values ‘NP’, ‘NP’, ‘2.0’, ‘2.0’, ‘2.0’, and ‘2.0’  .. .AS/ NZS 3500.2.2 /Amdt 1/1999-08-05 STANDARDS AUSTRALIA/STANDARDS NEW ZEALAND Amendment No to AS/ NZS 3500.2.2 — 1996 National Plumbing and Drainage Part 2.2: Sanitary plumbing and drainage... pipe and fittings for sewerage applications AMDT No AUG 1999 Page 131 Appendix A Under AS/ NZS, add the following: 1260 PVC pipes and fittings for drain waste and vent applications Under NZS /AS, ... to ‘P-trap basin’ AMDT No AUG 1999 Page 41 Clause 4.6.7.8 AMDT No AUG 1999 Page 42 Clause 4.6.8.1 Last line, delete ‘8.5 m’ and replace with ‘10 m’ Add new Item (d), as follows: (d) AMDT No AUG