6-2M_R2002_E1991.pdf

Copyrighted material licensed to Stanford University by Thomson Scientific(),downloaded on Oct-05-2010 by Stanford University User.No further reproduction or distribution is permitted.Uncontrolled when printed.REAFFIRMED 2002FOR CURRENT COMMITTEE PERSONNELPLEASE E-MAIL CSasme.org-AN AMERICAN NATIONAL STANDARD Cleanouts ASME A I 12.36.2M-1991(REVISION OF ANSI A1 12.36.2M-1983)The American Society of Mechanical Engineers 345 East 47th Street,New York,N.Y.10017 Copyrighted material licensed to Stanford University by Thomson Scientific(),downloaded on Oct-05-2010 by Stanford University User.No further reproduction or distribution is permitted.Uncontrolled when printed.Date of Issuance:April 30,1992 This Standard will be revised when the Society approves the issuance of a new edition.There will be no addenda or written interpretations of the requirements of this Standard issued to this edition.ASME is the registered trademark of The American Society of Mechanical Engineers.This code or standard was developed under procedures accredited as meeting the criteria for American National Standards.The Consensus Committee that approved the code or standard was balances to assure that individuals from competent and concerned interests have had an opportunity to participate.The proposed code or standard was made available for public review and comment which 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.ASME does not take any position with respect to the validity of any patent rights asserted in connection with any items mentioned in this document,and does not undertake to insure anyone utilizing a standard against liability for infringement of any applicable Letters Patent,nor assume any such liability.Users of a code or standard are expressly advised that the determination of the validity of any such patent rights,and the risk of the infringement of such rights,is entirely their own responsibility.Participation by federal agency representative(s)or person(s)affiliated with industry is not to be interpreted as government or industry endorsement of this code or standard.ASME accepts responsibility for only those interpretations issued in accordance with governing ASME procedures and policies which preclude the issuance of interpretations by individual volunteers.No part of this document may be reproduced in any form,in an electronic retrieval system or otherwise,without the prior written permission of the publisher.Copyright 0 1992 by THE AMERICAN SOCIETY OF MECHANICAL ENGINEERS All Rights Reserved Printed in U.S.A.Copyrighted material licensed to Stanford University by Thomson Scientific(),downloaded on Oct-05-2010 by Stanford University User.No further reproduction or distribution is permitted.Uncontrolled when printed.(This Foreword is not part of ASME A1 12.36.2M-1991.)The common cleanout is one of the most important,yet frequently neglected,items in the plumbing system.The cleanout provides access to horizontal and vertical lines and stacks to facilitate inspection and the removal of obstructions.Early in the development of plumbing systems the need for cleanouts was realized.This need was met by placing a tee or similar fitting in the line with a loosely set cover over the branch opening.Escaping sewer gas and admission of surface water into the sewer proved this arrangement unsatisfactory and led to the development of the cleanout with bolted gasketed cover and to the present day common cleanout,which normally consists of an iron body or ferrule with a tapered brass plug.The inadequacy of such devices is evident upon examination.They comply only with the very minimum requirements.Existing standards are not sufficiently specific regarding weight,strength,finish,and location or installation of cleanouts.Some results are plugs which cannot be removed or break upon removal,inadequate tool openings,and hazardous protruding heads in work areas.Cleanouts in general should be gas and watertight;provide quick and easy plug removal;allow ample space for rodding tools;have means of adjustment to finish floor level;be attractive in appearance;and be designed to support whatever traffic is directed over them.The benefits of basic design standards were apparent to cleanout manufacturers and a study was initiated as an industry effort in 1961.Prior to the completion of this work,the American National Standards Committee A1 12,Standardization of Plumbing Materials and Equipment,was organized and Panel No.36 of this committee was assigned the responsibility to develop standards for cleanouts.The first meeting was held on September 12,1967.A rough draft of this Standard was submitted March 20,1968 to the Task Force members.Revisions were made and the proposed Standard was submitted to members of Panel No.36 for their approval.Following approval of the proposal by the