6-1M_R2002_E1997.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.orgThe American Society of Mechanical Engineers A N A M E R I C A N N A T I O N A L S T A N D A R D FLOOR-AFFIXED SUPPORTS FOR OFF-THE-FLOOR PLUMBING FIXTURES FOR PUBLIC USE ASME A1 12.6.1 M-1997(Revision of ASME A1 12.6.1 M-1988)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:December 22,1997 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 balanced 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 determination of the validity of any such patent rights,and the risk of the infringement of such rights,is entirely their Participation by federal agency representativeb)or person(s)affiliated with industry is not to be interpreted as government or industry endorsement of this code or standard.ASME accepts responsibilityfor only those interpretations issued in accordance with governing ASME procedures and policies which preclude the issuance of interpretations by individual volunteers.own responsibility.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.The American Society of Mechanical Engineers 345 East 47th Street,New York,NY 10017 Copyright 0 1997 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.FOREWORD(This Foreword is not part of ASME A112.6.1M-1997.)Much of the design evolution of sanitary plumbingware has occurred during this century as water supply and waste systems gained universal acceptance as a basic necessity.About midway through this period,the desirability of off-the-floor water closets and their inherent advantages in improving toilet-room sanitation was recognized.Wide use of this new concept,however,was delayed for many years.When the first off-the-floor closets were designed,the problems of supporting and connecting them to waste systems had not been anticipated;and as a result there were damaged walls and partitions and leaking waste systems.Slowly,a few supporting methods were developed and marketed,but in many instances,installations of off-the-floor fixtures still presented problems.Then,subsequent to World War 11,with the introduction of the combination waste fitting and supporting system for off-the-floor water closets,installation was simplified and problems were eliminated to the extent that now this sanitary approach to modem toilet room design has become commonplace.After such a long development period,the manufacturers of fixture supports were keenly aware of the need for sound design and engineering practices.Accordingly,the benefits of basic design standards were apparent to them and a study was initiated as an industry effort in 1961.Prior to the completion of this work,ASA Sectional Committee A1 12(subsequently designated the American National Standards Committee AI 12,and currently the ASME Standards Committee A1 12,Standardization of Plumbing Materials and Equipment)was organized and Panel No.6 of this Committee was assigned the responsibility of developing standards for fixture chair carriers and other supports for off-the-floor fixtures.The original standard resulting from this assignment was granted approval by the American National Standards Institute on March 2,1972,and issue