1、AN AMERICAN NATIONAL STANDARDASME A112.14.6-2010(Revision of ASME A112.14.6-2006)FOG (Fats, Oils, and Greases) Disposal SystemsINTENTIONALLY LEFT BLANKASME A112.14.6-2010(Revision of ASME A112.14.6-2006)FOG (Fats, Oils, andGreases) DisposalSystemsAN AMERICAN NATIONAL STANDARDThree Park Avenue New Yo
2、rk, NY 10016 USADate of Issuance: August 20, 2010ThisStandardwillberevisedwhentheSocietyapprovestheissuanceofanewedition.Therewillbe no addenda issued to this edition.ASME issues written replies to inquiries concerning interpretations of technical aspects of thisStandard. Periodically certain action
3、s of the ASME A112 Committee may be published as Cases.Cases and interpretations are published on the ASME Web site under the Committee Pages athttp:/cstools.asme.org as they are issued.ASME is the registered trademark of The American Society of Mechanical Engineers.This code or standard was develop
4、ed under procedures accredited as meeting the criteria for American NationalStandards. The Standards Committee that approved the code or standard was balanced to assure that individuals fromcompetent and concerned interests have had an opportunity to participate. The proposed code or standard was ma
5、deavailable for public review and comment that provides an opportunity for additional public input from industry,academia, regulatory agencies, and the public-at-large.ASME does not “approve,” “rate,” or “endorse” any item, construction, proprietary device, or activity.ASMEdoes not take any position
6、withrespect to the validityof any patent rightsassertedin connectionwith any itemsmentioned in this document, and does not undertake to insure anyone utilizing a standard against liability forinfringement of any applicable letters patent, nor assumes any such liability. Users of a code or standard a
7、re expresslyadvised that determination of the validityof anysuch patent rights, and the riskof infringement of such rights, is entirelytheir own responsibility.Participation by federal agency representative(s) or person(s) affiliated with industry is not to be interpreted asgovernment or industry en
8、dorsement of this code or standard.ASME accepts responsibility for only those interpretations of this document issued in accordance with the establishedASME procedures and policies, which precludes the issuance of interpretations by individuals.No part of this document may be reproduced in any form,
9、in an electronic retrieval system or otherwise, without theprior written permission of the publisher.The American Society of Mechanical EngineersThree Park AvenueNew York, NY 10016-5990Copyright 2010 byTHE AMERICAN SOCIETY OF MECHANICAL ENGINEERSAll rights reservedPrinted in U.S.A.TABLE OF CONTENTSF
10、oreword . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ivASME A112 Committee . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
11、. vCorrespondence With the A112 Committee . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . vi1 General . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12 General
12、 Requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23 Special Requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24 Testing . . . . . . .
13、 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35 Marking . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4iiiFOREWORD
14、The American Society of Mechanical Engineers has prepared this Standard for establishing specifications regarding theconstruction and application of FOG (fats, oils, and greases) disposal systems. It also is intended to serve as a guide forproducers, distributors, architects, engineers, contractors,
15、 installers, inspectors, and users; to promote understandingregardingdesigns, materials, applications, and installation; and toprovideguidelines foridentifying FOG disposal systemsthat conform to this Standard.In 1994, the Plumbing and Drainage Institute (PDI) agreed to work with The American Societ
16、y of Mechanical Engineersfor the development of a Grease Interceptor Standard. That Standard is known as ASME A112.14.3, and it serves as aderivative of that collaboration. PDI has a membership of organizations that manufactures products for the plumbingindustry. The basic aim of PDI is to contribut
17、e its combined talents and resources to the advancement of plumbingengineering and the plumbing industry. This Standard was developed with the assistance of PDI.For morethan a century,greaseinterceptorshavebeen used inplumbing wastewater systemsto permit thefreeflowofdrainage from sinks and similar
18、equipment and to prevent grease accumulations from clogging connecting piping andsewer lines. In 1883, Nathaniel T. Whiting of California applied for a patent on a grease interceptor, which was issued inOctober 1884.Whitings design principle does not differ greatly from present-day grease intercepto
19、rs.For the next 50 years, there was no coordinated effort to standardize ratings or to establish performance requirementsfor grease interceptors. Ratings were determined by each manufacturer for its interceptors, which were produced in avariety of sizes and types in an effort to meet engineers speci
20、fications and satisfy code requirements.In late 1940 and early 1941, prior to U.S. entry into World War II, grease interceptors were specified for army posts tomeet specifications of the Construction Division, Office of the Quartermaster General. These specifications called forinterceptors, which pr
21、oved inadequate; it immediately became apparent that a comprehensive engineering and testingprogram was needed to rate grease interceptors properly. Apart from prevention of sewage systems clogging, properlyrated and sized grease interceptors wereessential to the recoveryof oils and grease so badlyn
22、eeded for the war effort. Asa result, a series of conferences involving the Research Committee of the Plumbing and Drainage ManufacturersAssociation (now the Plumbing and Drainage Institute), representatives of the Quartermaster General, Surgeon General,Army Corps of Engineers, and others was held t
23、o develop a testing program to establish flow rates and grease holdingcapacity for uniform rating of grease interceptors manufactured at that time.The program that emerged from these conferences included exhaustive laboratory testing of each grease interceptor atthe Iowa Institute of Hydraulic Resea
24、rch at Iowa State University. This phase of the program was covered in acomprehensive report issued in August 1945. Using the guidelines established in Iowa, the Research Committeecontinuedthetesting programattheUnitedStatesTesting Company,Inc.,which culminated inthepublication ofStandardPDI-G101 in
25、 1949 and the rating of applicable grease interceptors.Since its initial publication, Standard PDI-G101 has been widely accepted and is referenced in most plumbing codes. Ithas been reprinted in its original format many times and serves as the definitive standard for determining separation andretent
26、ion efficiency of grease interceptors.Restrictions and regulations regarding proper disposal of retained FOG promulgated subsequent to PDI-G101 andASME A112.14.3 resulted in the development of various devices that not only separate and retain FOG, but internallydispose of retained FOG by means of ma
27、ss and volume reduction by processes including, but not limited to, thermal,chemical, electrical, and biological. It is devices having this disposal characteristic to which this Standard applies. Due tothe differences between this technology and those described in PDI-G101 and ASME A112.14.3, such a
28、s internal disposal,the ASME A112 Standards Committee suggested the development of this Standard. This Standard applies to greaseinterceptors using the hydromechanical principles of PDI-G101, ASME A112.14.3, or the gravity interceptor principles ofIAPMO/ANSI Z 1001.This revision was approved as an A
29、merican National Standard on June 14, 2010.ivASME A112 COMMITTEEStandardization of Plumbing Materials and Equipment(The following is the roster of the Committee at the time of approval of this Standard.)STANDARDS COMMITTEE OFFICERSD. W. Viola, ChairS. A. Remedios, Vice ChairF. Constantino, Secretary
30、STANDARDS COMMITTEE PERSONNELR. H. Ackroyd, Rand EngineeringS. R. Aridi, NSF InternationalJ. A. Ballanco, J. B. Engineering however, they should not containproprietary names or information.Requests that are not in this format will be rewritten in the appropriate format by the Committeeprior to being
31、 answered, which may inadvertently change the intent of the original request.ASME procedures provide for reconsideration of any interpretation when or if additionalinformation that might affect an interpretation is available. Further, persons aggrieved by aninterpretation may appeal to the cognizant
32、 ASME Committee or Subcommittee. ASME does not“approve,” “certify,” “rate,” or “endorse” any item, construction, proprietary device, or activity.Attending Committee Meetings. The A112 Standards Committee schedules meetings as needed,which are open to the public. Persons wishing to attend any meeting
33、 should contact the Secretary ofthe A112 Standards Committee. The A112 home page contains information on future meeting datesand locations.vi1 GENERAL1.1 ScopeThisStandardestablishes requirementsforFOG(fats,oils,andgreases)disposal systems.FOGdisposal systemsshallbedesigned to(a) remove FOG from eff
34、luent(b) retain separated FOG(c) internally dispose retained FOG by means and methods of mass and volume reduction as required by para. 4.3.2Theuseofalternatematerialsormethodsarepermitted,providedtheproposedmaterialandmethodcomplies withtheperformance requirements and intent of this Standard.1.2 Un
35、its of MeasurementWhere values are stated in U.S. Customary units and the International System of Units (SI), the U.S. Customary unitsshall be considered as the standard.In this Standard, gallons (U.S. liquid) per minute is abbreviated “gpm” and liters (metric liquid) per minute isabbreviated “L/min
36、”.1.3 ReferencesThe following is a list of publications referenced in this Standard:AASHTO H2044, Standard Specifications for HS20, Highway LoadingPublisher: American Association of State Highway and Transportation Officials (AASHTO), 444 North Capitol Street, NW,Washington, DC 20001 (http:/www.tran
37、sportation.org)ACI 318, Specification for Steel ReinforcementPublisher: American Concrete Institute (ACI), 38800 Country Club Drive, Farmington Hills, MI 48331(http:/www.aci-int.org)ASME A112.3.1, Stainless Steel Drainage Systems for Sanitary, Storm, and Chemical Applications, Above and InGroundASME
38、 A112.14.3, Grease InterceptorsASME B1.20.1, Pipe Threads, General Purpose (Inch)Publisher: The American Society of Mechanical Engineers (ASME), Three Park Avenue, New York, NY 10016-5990; OrderDepartment: 22 Law Drive, P.O. Box 2900, Fairfield, NJ 07007-2900 (http:/www.asme.org)ASTM A 888, Standard
39、 Specification for Hubless Cast Iron Soil Pipe and Fittings for Sanitary and Storm Drain, Waste, andVent Piping ApplicationsASTM C 3303, Standard Specification for ConcreteASTM C 94, Standard Specification for ReadyMixed ConcreteASTM C 15004, Standard Specification for Portland CementASTM C 26001, S
40、tandard Specification for AirEntraining Admixtures for ConcreteASTM C 61803, Standard Specification for Coal Fly Ash and Raw or Calcined Natural Pozzolan for Use in ConcretePublisher: American Society for Testing and Materials (ASTM International), 100 Barr Harbor Drive, West Conshohocken,PA 19428-2
41、959 (http:/www.astm.org)IAPMO/ANSI Z 1001, Grease InterceptorsPublisher: International Association of Plumbing and Mechanical Officials (IAPMO), 5001 East Philadelphia Street, NW,Ontario, CA 91761 (http:/www.iapmo.org)PDIG101, Testing and Rating Procedure for Grease Interceptors With Appendix of Siz
42、ing and Installation DataPublisher: Plumbing and Drainage Institute (PDI), 800 Turnpike Street, North Andover, MA 01845(http:/www.pdionline.org)UL 499, Electrical Standard for Heated AppliancesUL 917, Standard for ClockOperated SwitchesUL 1004, Standard for Electric MotorsUL 1585, Standard for Class
43、 2 and Class 3 TransformersPublisher: Underwriters Laboratories, Inc. (UL), 333 Pfingsten Road, Northbrook, IL 60062-2096 (http:/)USEPA Method 1664 (A), FOG (Fats, Oils haveaminimum diametersizeof20in.(510mm)diameteror20in.(510 mm) 20 in. (510 mm); and shall be provided with a fitted, watertight cov
44、er. Manholes shall be capable ofwithstanding all anticipated loads and comply with IAPMO/ANSI Z 1001, which requires that all manholes have aleakresistant closure that, when properly installed, cannot slide, rotate, or flip exposing the opening, and that does notrequire the use of mechanical fastene
45、rs.4 TESTING4.1 Water Test4.1.1 Test Procedure. A sampling from each manufacturers production run shall be watertested. One sample shall betested for each size FOG disposal system manufactured.Sample FOG disposal systems shall be assembled in accordance with the manufacturers instructions, set level
46、, andwater raised to the flow line of the outlet fitting.4.1.2 Acceptance Criteria. FOG disposal systems shall show no leakage from section seams, pinholes, or otherimperfections. Any leakage is cause for rejection.4.1.2.1 When leakage occurs, additional water testing shall be made from new samples
47、after corrective measures inproduction or installation have been completed. Test reports shall show the total number of FOG disposal systems tested,number passing, number failing, location, and cause of leakage. When leakage occurs, corrective measures taken shall bereported.4.2 Efficiency Test (Hyd
48、romechanical Type Only)4.2.1 Test Procedure. The hydraulic efficiency of the FOG internal disposal systems, based on hydromechanical greaseinterception, shall be determined in accordance with ASME A112.14.3 or PDIG101. For flows exceeding PDIG101capacities, theefficiencyshallbecalculated asprescribe
49、dinpara.7.7ofPDIG101. Hydraulicefficiency,asusedhere,istheFOG separation and retention efficiency of the FOG disposal system With the disposal function inactive. The separationand retention efficiency of the FOG disposal system shall comply With the requirements of para. 7.8 of PDIG101.4.2.2 Acceptance Criteria. The minimum hydraulic efficiency shall be 90% or greater.4.3 Performance Testing4.3.1 Test Procedure (Hydromechanical Based). Test the FOG disposal system as follows:(a) Measure the total liquid volume of the system at the point of disch
