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SS 575-2012 - Preview | Pipe (Fluid Conveyance) | Valve
SS 575-2012 - Preview
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SS 575 : 2012
Code of practice for fire hydrant, rising
mains and hose reel systems
(Formerly CP 29)
no part of this Singapore Standard may be reproduced or utilised in any form or by any means. including photocopying and microfilming. rising mains and hose reel systems All rights reserved. Unless otherwise specified. Solaris Singapore 138628 Email : standards@spring. #01-02 South Tower.SS 575 : 2012 (ICS 13.gov. without permission in writing from SPRING Singapore at the address below: Standards SPRING Singapore 1 Fusionopolis Walk. electronic or mechanical.sg ISBN 978-981-4353-36-6 .220) SINGAPORE STANDARD Code of practice for fire hydrant.
2012 The Building and Construction Standards Committee. Singapore Individual Capacity Housing & Development Board Real Estate Developers’ Association of Singapore Land Transport Authority National Environment Agency Singapore Contractors Association Ltd Ministry of Manpower Singapore Institute of Architects Building and Construction Authority Nanyang Technological University Association of Property and Facility Managers Association of Consulting Engineers Singapore Urban Redevelopment Authority National University of Singapore Singapore Manufacturing Federation Individual Capacity JTC Corporation Singapore Institute of Surveyors and Valuers Chairman st 1 Dy Chairman nd 2 Dy Chairman Mr Paul Fok Mr Anselm Gonsalves Mr Desmond Hill Er. Lim Peng Hong Mr Larry Ng Lye Hock Assoc Prof Gary Ong Khim Chye Mr Davis Ong Wee Choon Dr Tam Chat Tim Er. Standards Council : Mr Tan Tian Chong Member. First published. Tang Pei Luen Mr Teoh Wooi Sin Co-opted Member : National University of Singapore Prof Choo Yoo Sang 2 COPYRIGHT . Standards Council Secretary : Ms Wang Wei Ting SPRING Singapore Members : Mr Boo Geok Kwang Er. appointed by the Standards Council. 1998 Second revision and re-numbered as SS 575. Chee Kheng Chye Mr Chng Chee Beow Singapore Civil Defence Force Institution of Engineers. 1984 First revision. Standards Council : Er. Ismadi Mohd Mr Benedict Lee Khee Chong Ms Andris Leong Assoc Prof Leong Eng Choon Dr Lim Lan Yuan Er. Lee Chuan Seng Member. Chan Ewe Jin Mr Chan Kok Way Er.SS 575 : 2012 This Singapore Standard was approved by the Building and Construction Standards Committee on behalf of the Singapore Standards Council on 10 August 2012. consists of the following members: Name Capacity : Mr Goh Peng Thong Member.
Fan Foo Whai Mr David Goh Dr Kang Kok Hin Mr Kua Soo Chong Er. Tang Pei Luen Member. Ng Eng Kiong Mr Ramahad Singh Dr Sun Qiqing Mr Tan Ann Kiong Mr Tan Chee Hoon Er. Joseph Toh Association of Property and Facility Managers National University of Singapore SETSCO Services Pte Ltd CNA Group Ltd Housing & Development Board Fire Safety Managers’ Association (Singapore) Institution of Facilities Management EM Services Pte Ltd Association of Consulting Engineers Singapore Singapore Civil Defence Force Energy Market Authority Building and Construction Authority Singapore Institute of Building Limited Singapore Green Building Council Public Utilities Board TÜV SÜD PSB Pte Ltd Singapore Contractors Association Ltd Public Utilities Board Institution of Engineers. Yeow Mei Leng Individual Capacity Individual Capacity Assoc Prof Chandra Sekhar Mr Bernard Cheng Kwang Meng Mr Chue Fook Chee Er. Siew Yee Cheong Er. Building and Construction Standards Committee Secretary : Ms Barbara Bok SPRING Singapore Members : Mr Eric Chan Kim Mun Mr Lee Wee Keong Mr Leo Hee Long Mr Lim Chong Yong Mr John Min Er. Matthew Kwek Yoong Yoong Cpt Lim Boon Hsing Er. Singapore Mr K Ramanathan Er. Yeow Mei Leng Members : Er. Callan Lam Co-opted Members : The Working Group appointed by the Technical Committee to assist in the preparation of this standard comprises the following experts who contributed in their individual capacity: Name Convenor : Er. Building and Construction Standards Committee Dy Chairman : Er.SS 575 : 2012 The Technical Committee on Building Maintenance and Management appointed by the Building and Construction Standards Committee and responsible for the preparation of this standard consists of representatives from the following organisations: Name Capacity Chairman : Dr Lim Lan Yuan Member. Ng Han Siong Er. Wong Tak Ming Denis 3 COPYRIGHT .
SS 575 : 2012 The organisations in which the experts of the Working Group are involved are: Association of Consulting Engineers Singapore Housing & Development Board Institution of Engineers. Singapore Singapore Civil Defence Force The Institution of Fire Engineers (Singapore Branch) 4 COPYRIGHT .
6 Tank refill time 29 4.9 Drain valves 30 4.2 Gravity feed 27 3.4 Tank construction 29 4.1 Scope 9 1.General 1.2 50 % availability 29 4.12 Tank signage 30 4.SS 575 : 2012 Contents Page Foreword 8 CLAUSES 1 Section One .3 Breeching inlets 19 2.10 Water level indicators 30 4.3 Rules and regulations 10 1.1 Water supply and pumping arrangements 24 3.1 Minimum capacity 29 4.2 Normative references 9 1.5 Design.8 Tank compartments 30 4.4 Definitions 11 1.3 Non-domestic purposes 29 4.2 Rising mains/downcomers 17 2.11 Access openings and ladders 30 4.4 Landing valves 21 3 Section Three – Design considerations for fire hydrants and rising mains/downcomers 3.14 Vortex inhibitors 31 5 COPYRIGHT .5 Automatic inflow 29 4.3 Automatic air release valve for rising mains 27 3. installation and as-built plans 14 2 Section Two – Locations and other provisions of fire hydrants and rising mains/downcomers 2.5 Pipes.13 Effective capacity 31 4.1 Fire hydrants 15 2. valves and fittings 28 4 Section Four – Water supplies and storage 4.4 Electrical earthing 28 3.7 Overflow and air gaps 30 4.
4 Compression ignition drivers 43 6 Section Six – Hose reels 6.2 Pressure loss in pipe fittings 58 9 Section Nine – Installation 9.SS 575 : 2012 Page 5 Section Five – Fire pumps 5.3 Fire hydrants 61 10.4 Water supply for hose reels 56 6.2 Electrical wiring 37 5.6 Protection of buildings under construction 60 10 Section Ten – Initial inspections and acceptance tests 10.3 Electric motor driven pumps 38 5.4 Tests on dry rising mains 61 10.8 Test records 63 57 6 COPYRIGHT .1 Conformity to standards 54 6.7 Hose reel tests 62 10.1 Conformity to standards 8 Section Eight – Hydraulic calculations 8.2 Hydrostatic test 61 10.3 Underground pipework 60 9.5 Hose reels notices 57 7 Section Seven – Components and materials 7.3 Installation of hose reels 55 6.1 Pre-test preparation of the system 60 10.1 Fire pumpsets 35 5.2 Provision and siting 54 6.5 Tests on wet rising mains 62 10.6 Commissioning tests 62 10.1 Work on site 59 9.1 Formulae 58 8.2 External pipework 60 9.5 Support of fire hydrant pipework 60 9.4 Internal pipework 60 9.
1 Values of dimensions `A’ and `B’ as defined in Figure 4.1 33 5.1a Details of typical installation of double outlet pillar hydrant in turf area 16 2.2 Water flow rates for wet rising mains 26 4.1 Vertical cross-section showing effective capacity of storage 32 4.2 Vortex plate size and location 34 7 COPYRIGHT .1 Equivalent length of pipes for fittings 59 FIGURES 2.1 Minimum metering device size 37 8.1b Details of valve pit 17 2.1 Water supply and storage requirements (assisted water supply) for private hydrant 25 3.3 Recess clearance of landing valve 23 4.2 Mounting height of breeching inlet 20 2.1 Fire hydrants 63 11.2 Rising mains 63 TABLES 3.SS 575 : 2012 Page 11 Section Eleven – Maintenance of systems and rectification of defects 11.
The revision is to bring the standard up-to-date with the Fire Code and the relevant overseas standards and practices. in the following areas: 1. 8 COPYRIGHT . Acknowledgement is made for the use of information from these publications. hose reels and foam inlets 5. engineers. Fire water pumpsets 5.SS 575 : 2012 Foreword This Singapore Standard was prepared by a Working Group appointed by the Technical Committee on Building Maintenance and Management which is under the purview of the Building and Construction Standards Committee. reference was made to the following publications: 1. Water supplies and storage 4.1 : 2005 with permission of SAI Global under licence 1202-c039. Attention is drawn to the possibility that some of the elements of this Singapore Standard may be the subject of patent rights. Design considerations for hydrants and rising mains 3. Terms and definitions 2. AS 2941 : 2008 Fixed fire protection installations – Pumpset systems 3. installation and commissioning 2.1 : 2005 Fire hydrant installations – Part 1: System designs. Australian Standards can be purchased at http://www. NFPA 14 : 2007 Installation of standpipe and hose systems 6. SPRING Singapore shall not be held responsible for identifying any or all of such patent rights.14 are reproduced from AS 2419. In preparing this standard. AS 2419. This Code is intended to provide good guidance on fire hydrants. BS 5306-1: 2006 Code of practice for Fire extinguishing installations and equipment on premises – Part 1: Hydrant systems. Code of practice for fire precautions in buildings (Singapore Civil Defence Force) Table 4.2 and Subclause 4. The information therein serves to promote the understanding of such systems by architects. Compliance with a Singapore Standard does not exempt users from legal obligations. SS CP 52 : 2004 Code of practice for automatic fire sprinkler systems 8. SS CP 48 : 2005 Code of practice for water services 7.1.com. BS 5306-0 : 2011 Code of practice for fire extinguishing installations and equipment on premises – Part 0: Guide for selection of installed systems and other fire equipment 4. Omission of Annex A which will be covered under the Fire Code. The revisions of Singapore Standards are announced through the issue of either amendments or revised editions. Singapore Standards are subject to periodic review to keep abreast of technological changes and new technical developments.saiglobal. 2. NOTE 1. SS 532 : 2007 Code of practice for the storage of flammable liquids 9. rising mains and hose reel systems in the area of fire protection. Figure 4. contractors and owners.
For dated references. For undated references. domestic and industrial engines and boilers BS 5041-1 Fire hydrant system equipment – Part 1: Landing valves for wet risers BS 5041-2 Fire hydrant systems equipment – Part 2: Landing valves for dry risers BS 5041-3 Fire hydrant systems equipment – Part 3: Inlet breechings for dry riser inlets BS 5041-4 Fire hydrant systems equipment – Part 4: Boxes for landing valves for dry risers BS 5041-5 Fire hydrant systems equipment – Part 5: Boxes for foam inlets and dry riser inlets BS 5163 series Valves for waterworks purposes BS EN 694 Fire-fighting hoses – Semi-rigid hoses for fixed systems BS EN 671-1 Fixed fire fighting systems – Hose systems – Part 1: Hose reels with semi-rigid hose BS EN 837-1 Pressure gauges – Bourdon tube pressure gauges – Dimensions. BS 143 and 1256 Threaded pipe fittings in malleable cast iron and cast copper alloy BS 1212-1 Float operated valves – Specification for piston type float operated valves (copper alloy body) (excluding floats) BS 1212-2 Float operated valves – Specification for diaphragm type float operated valves (copper alloy body) (excluding floats) BS 1212-3 Float operated valves – Specification for diaphragm type float operated valves (plastics bodied) for cold water services only (excluding floats) BS 2869 Fuel oils for agricultural. testing and upkeep of fire hydrant.SS 575 : 2012 Code of practice for fire hydrant. metrology.1 Scope This Code shall apply to the planning. only the edition cited applies. 1. requirements and testing BS EN 1092 series Flanges and their joints 9 COPYRIGHT . wet and dry rising mains and hose reel systems on building premises. the latest edition of the referenced document (including any amendments) applies. installation. rising mains and hose reel systems Section One – General 1. It does not apply to street fire hydrants used in lieu of on-site fire hydrants or to supplement the coverage afforded by street fire hydrants.2 Normative references The following referenced documents are indispensable for the application of this standard.
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