NSF 13-2017 Refuse Processors and Processing Systems.pdf

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1、NSF International Standard / American National StandardNSF/ANSI 13 - 2017 Refuse Processors and Processing SystemsNSF International, an independent, not-for-profit, non-governmental organization, is dedicated to being the leading global provider of public health and safety-based risk management solu

2、tions while serving the interests of all stakeholders. This Standard is subject to revision. Contact NSF to confirm this revision is current. Users of this Standard may request clarifications and interpretations, or propose revisions by contacting: Chair, Joint Committee on Food Equipment c/o NSF In

3、ternational 789 North Dixboro Road, P.O. Box 130140 Ann Arbor, Michigan 48113-0140 USA Phone: (734) 769-8010 Telex: 753215 NSF INTL FAX: (734) 769-0109 E-mail: infonsf.org Web: http:/www.nsf.orgi NSF/ANSI 13 2017 NSF International Standard/ American National Standard for Food Equipment Refuse proces

4、sors and processing systems Standard Developer NSF International NSF International Designated as an ANSI Standard May 23, 2017 American National Standards Instituteii Recommended for Adoption by The NSF Joint Committee on Food Equipment The NSF Council of Public Health Consultants Adopted by NSF Int

5、ernational March 1973 Revised May 1985 Revised November 1992 Revised August 2001 Revised June 2005 Revised April 2007 Revised April 2009 Revised August 2012 Revised June 2017 Published by NSF International PO Box 130140, Ann Arbor, Michigan 48113-0140, USA For ordering copies or for making inquiries

6、 with regard to this Standard, please reference the designation “NSF/ANSI 13 2017.“ Copyright 2017 NSF International Previous editions 2012, 2009, 2007, 2005, 2001, 1993, 1985, 1973 Unless otherwise specified, no part of this publication may be reproduced or utilized in any form or by any means, ele

7、ctronic or mechanical, including photocopying and microfilm, without permission in writing from NSF International. Printed in the United States of America.iii Disclaimers1 NSF, in performing its functions in accordance with its objectives, does not assume or undertake to discharge any responsibility

8、 of the manufacturer or any other party. The opinions and findings of NSF represent its professional judgment. NSF shall not be responsible to anyone for the use of or reliance upon this Standard by anyone. NSF shall not incur any obligation or liability for damages, including consequential damages,

9、 arising out of or in connection with the use, interpretation of, or reliance upon this Standard. NSF Standards provide basic criteria to promote sanitation and protection of the public health. Provisions for mechanical and electrical safety have not been included in this Standard because government

10、al agencies or other national standards-setting organizations provide safety requirement. Participation in NSF Standards development activities by regulatory agency representatives (federal, local, state) shall not constitute their agencys endorsement of NSF or any of its Standards. Preference is gi

11、ven to the use of performance criteria measurable by examination or testing in NSF Standards development when such performance criteria may reasonably be used in lieu of design, materials, or construction criteria. The illustrations, if provided, are intended to assist in understanding their adjacen

12、t standard requirements. However, the illustrations may not include all requirements for a specific product or unit, nor do they show the only method of fabricating such arrangements. Such partial drawings shall not be used to justify improper or incomplete design and construction. Unless otherwise

13、referenced, the annexes are not considered an integral part of NSF Standards. The annexes are provided as general guidelines to the manufacturer, regulatory agency, user, or certifying organization. 1 The information contained in this Disclaimer is not part of this American National Standard (ANS) a

14、nd has not been processed in accordance with ANSIs requirements for an ANS. Therefore, this Disclaimer may contain material that has not been subjected to public review or a consensus process. In addition, it does not contain requirements necessary for conformance to the Standard. This page is inten

15、tionally left blank.v Contents 1 General . 1 1.1 Purpose 1 1.2 Scope . 1 1.3 Alternate materials, design, and construction 1 1.4 Measurement . 1 2 Normative references . 1 3 Definitions . 2 4 Materials . 2 4.1 General . 2 4.2 Refuse-contact zone 2 4.3 Power and exterior zones . 2 4.4 Welding 2 4.5 G

16、askets and packings 2 4.6 Plastic resin systems 2 4.7 Sound-dampening materials 2 4.8 Deodorizers 2 4.9 Coatings . 3 4.10 Waste and water fittings 3 5 Design and construction . 3 5.1 General . 3 5.2 Joints and seams . 3 5.3 Fasteners . 3 5.4 Finishing . 3 5.5 Reinforcing and framing . 4 5.6 Panels 4

17、 5.7 Doors and covers . 4 5.8 Tracks and guides 4 5.9 Gaskets 4 5.10 Water inlets and storage 5 5.11 Provision for mounting . 5 5.12 Legs and feet . 5 5.13 Containers . 6 5.14 Sound-dampening materials 6 Annex A Food Equipment Joint Committee 9 This page is intentionally left blank.vii Foreword2 The

18、 purpose of this Standard is to establish minimum sanitation requirements for the materials, design, and construction of refuse processors and processing systems. This edition of the Standard contains the following revision: Issue 6 This revision updated boilerplate language in sections 5.11 and 5.1

19、1.2. This Standard was developed by the NSF Joint Committee on Food Equipment using the consensus process described by the American National Standards Institute. Suggestions for improvement of this Standard are welcome. This Standard is maintained on a Continuous Maintenance schedule and can be open

20、ed for comment at any time. Comments should be sent to Chair, Joint Committee on Food Equipment at standardsnsf.org or, c/o NSF International, Standards Department, P.O. Box 130140, Ann Arbor, Michigan 48113-0140, USA. 2 The information contained in this Foreword is not part of this American Nationa

21、l Standard (ANS) and has not been processed in accordance with ANSIs requirements for an ANS. Therefore, this Foreword may contain material that has not been subjected to public review or a consensus process. In addition, it does not contain requirements necessary for conformance to the Standard. Th

22、is page is intentionally left blank. 2017 NSF NSF/ANSI 13 2017 NSF/ANSI Standard for Food Equipment Refuse processors and processing systems 1 General 1.1 Purpose This Standard establishes minimum sanitation requirements for the materials, design, and construction of refuse processors and processing

23、 systems. 1.2 Scope Equipment covered by this Standard includes but is not limited to pulpers, disposers, and compactors used for processing refuse generated from facilities that may generate food wastes. These refuse processors are not intended for compaction of hazardous or infectious material. Sp

24、ecifically excluded are refuse collection trucks and refuse processors intended for use at transfer stations and in industrial operations. Equipment components and materials covered under other NSF or NSF/ANSI Standards or Criteria shall also comply with the requirements therein. This Standard is no

25、t intended to restrict new unit design, provided that such design meets the minimum specifications described herein. 1.3 Alternate materials, design, and construction While specific materials, design, and construction may be stipulated in this Standard, equipment that incorporates alternate material

26、s, design, or construction may be acceptable when such equipment meets the intent of applicable requirements herein. 1.4 Measurement Decimal and SI conversions provided parenthetically shall be considered equivalent. Metric conversions and significant figure rounding have been made according to IEEE

27、/ASTM SI 10. 2 Normative references The following documents contain provisions that, through reference, constitute provisions of this NSF/ANSI Standard. At the time this Standard was balloted, the editions listed below were valid. All documents are subject to revision, and parties are encouraged to

28、investigate the possibility of applying the recent editions of the documents indicated below. The most recent published edition of the document shall be used for undated references. 15 U.S.C. 1261-1278 Federal Hazardous Substances Act (FHSA)3 3 U. S. Government Printing Office, Washington, DC 20402

29、. 2017 NSF NSF/ANSI 13 2017 2 40 C.F.R. 162-180 Federal Insecticide, Fungicide, and Rodenticide Act 3 IEEE/ASTM SI 10 2010. American National Standard for Metric Practice 4 NSF/ANSI 2. Food equipment NSF/ANSI 170. Glossary of food equipment terminology 3 Definitions Terms used in this Standard that

30、have special technical meaning are defined in NSF/ANSI 170. 4 Materials 4.1 General Materials shall withstand normal use and penetration of vermin, and shall be corrosion resistant. 4.2 Refuse-contact zone Surfaces in the refuse-contact zone shall be smooth and easily cleanable. Materials shall be c

31、orrosion resistant or rendered corrosion resistant, with the exception of unprotected steel, which may be used where surfaces are self-cleaning. 4.3 Power and exterior zones Surfaces in the power and exterior zones shall be smooth and either corrosion resistant or rendered corrosion resistant. 4.4 W

32、elding Welded seams and deposited weld material shall meet the applicable requirements of 4.1, 4.2, and 4.3. 4.5 Gaskets and packings Gaskets and packings shall consist of resilient rubber, rubber-like materials, or plastic, and shall comply with the applicable requirements of 4.1, 4.2, and 4.3. 4.6

33、 Plastic resin systems Plastic resin systems may be used if in compliance with the applicable requirements of 4.1, 4.2, and 4.3. 4.7 Sound-dampening materials Sound-dampening materials shall meet the requirements of the zone in which they are located except that they are not required to be smooth. N

34、on-curing sound-dampening materials shall not be used in exposed areas. 4.8 Deodorizers Aerosol sprays, deodorizers, or disinfectants shall comply with the Federal Hazardous Substances Act3 and 4 ASTM International, 100 Barr Harbor Dr., West Conshohocken, PA 19428 . 2017 NSF NSF/ANSI 13 2017 3 the F

35、ederal Insecticide, Fungicide, and Rodenticide Act3. 4.9 Coatings Coatings containing lead as an intentional ingredient shall not be used. Coatings with an unintentional lead content (lead impurity) greater than 0.06% shall not be used. 4.10 Waste and water fittings Waste and water fittings attached

36、 to the equipment shall comply with the material requirements for the applicable zones. 5 Design and construction This section contains design and construction requirements for equipment covered within the scope of this Standard. 5.1 General Refuse processors shall be manufactured to minimize the ha

37、rborage of vermin and to permit inspection, maintenance, servicing, and cleaning. The refuse-contact zone shall be easily cleanable in accordance with the manufacturers instructions and so as not to damage the electrical system and other components. 5.2 Joints and seams In the refuse-contact zone, a

38、ll permanent joints and seams shall be sealed. Joints may be made by overlapping sheets of metal in a vertical plane to eliminate dirt-catching ledges. Ledges shall be easily cleanable. If exposed to seepage and condensation, joints and seams of integral parts shall be sealed and smooth. The process

39、ing chamber shall provide for proper disposal of liquid. 5.3 Fasteners 5.3.1 Fasteners in a refuse-contact zone shall be easily cleanable. Fasteners meeting this requirement include, but are not limited to, slot-head and Phillips-head screws, hex head fasteners, and flush-break pop rivets. Hex key s

40、crews and non-flush-break pop rivets may be used in an exterior zone provided that the heads are capped or filled. 5.3.2 Hex key screws and non-flush-break pop rivets may be used in a power zone. 5.3.3 Fasteners shall be tight fitting to the surface except as permitted in 5.3.4. 5.3.4 No more than o

41、ne locking washer and one flat washer shall be used per fastener head. The diameter of the washer adjacent to the fastening surface shall not be less than the diameter of the washer under the fastener head. External-tooth lock washers shall not be used. 5.3.5 There shall be no more than 2.5 exposed

42、threads or in (0.25 in, 6.4 mm) of exposed threads, whichever is less, in a refuse-contact zone. Exposed threads on electrical cord strain relief devices in a nonfood zone shall be exempt. 5.4 Finishing Surfaces subject to corrosion shall be corrosion resistant or rendered corrosion resistant. 2017

43、NSF NSF/ANSI 13 2017 4 5.5 Reinforcing and framing 5.5.1 Exposed reinforcing and framing members and gussets shall be easily cleanable. Reinforcing and framing members shall be designed and manufactured to prevent the harborage of vermin (see figure 1). 5.5.2 Horizontal angles of reinforcing and fra

44、ming members and gussets shall not be located where debris may accumulate. 5.5.3 Vertical channels that form hollow sections shall be closed at each end, open at each end, or readily accessible along the entire channel. All other hollow sections shall be closed at each end. 5.5.4 Mechanically handle

45、d containers are exempt from the requirements of this section. 5.6 Panels 5.6.1 Fixed Fixed panels shall conform to requirements applicable to the zone in which the panels are located. 5.6.2 Removable Where necessary for equipment inspection and maintenance, removable panels of adequate size shall b

46、e provided. Each panel shall be sized to permit removal and replacement by one person. Removable panels shall conform to requirements applicable to the zone in which the panels are located. 5.7 Doors and covers Doors and covers shall be sized to fit the opening and close properly to contain flying d

47、ebris within the enclosure during operation. Doors and covers that enclose openings and provide access to interior compartments shall be of single- or double-panel construction. 5.7.1 Single panel Single-panel doors and covers shall be manufactured to minimize the collection of foreign matter and, i

48、f possible, shall be designed without channel sections at the bottom. Channel sections, if used, shall be inverted or easily cleanable. Clean-out holes shall be provided in channels that are not inverted. 5.7.2 Double panel Double-panel doors and covers shall be manufactured to minimize the collecti

49、on of foreign matter. Hollow sections shall be sealed or vented. Vent openings into the hollow space, when provided, shall be effectively screened, with a minimum of 16-mesh (16 strands per 1.0 in 25 mm) screen or equal, and protected against the entrance of vermin, seepage, or spillage. 5.8 Tracks and guides Tracks and guides for doors, covers, and access panels shall be manufactured to minimize the accumulation of waste and spillage. 5.9 Gaskets Exposed surfaces of gaskets shall be easily cleanable. All hollow sections of gaskets shall be sealed. 5