1、B70.1-03(reaffirmed 2013)Frames and covers for maintenance holes and catchbasinsLegal Notice for StandardsCanadian Standards Association (operating as “CSA Group”) develops standards through a consensus standards development process approved by the Standards Council of Canada. This process brings to
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15、ENTONTOACOMPUTERFORTHESOLEPURPOSEOFREVIEWINGITsSEARCHANDBROWSETHISDOCUMENTANDsPRINTTHISDOCUMENTIFITISIN0$ this remains the continuing responsibility of the accredited standards-development organization. Those who have a need to apply standards are encouraged to use National Standards of Canada whene
16、ver practicable. These standards are subject to periodic review; therefore, users are cautioned to obtain the latest edition from the organization preparing the standard. The responsibility for approving National Standards of Canada rests with the Standards Council of Canada 270 Albert Street, Suite
17、 200 Ottawa, Ontario, K1P 6N7 Canada Cette Norme nationale du Canada est offerte en anglais et en franais. Although the intended primary application of this Standard is stated in its Scope, it is important to note that it remains the responsibility of the users to judge its suitability for their par
18、ticular purpose. Registered trade-mark of Canadian Standards Association National Standard of Canada (approved October 2003) CAN/CSA-B70.1-03 Frames and Covers for Maintenance Holes and Catchbasins Published in March 2003 by Canadian Standards Association A not-for-profit private sector organization
19、 5060 Spectrum Way, Suite 100, Mississauga, Ontario, Canada L4W 5N6 1-800-463-6727 416-747-4044 Visit our Online Store at www.csa.ca Approved by Standards Council of Canada Prepared by ISBN 1-55397-100-0 Technical Editor: Abraham I. Murra Canadian Standards Association 2003 All rights reserved. No p
20、art of this publication may be reproduced in any form whatsoever without the prior permission of the publisher. (Copyright page replaced October 2003) Update No. 1 B70.1-03 April 2003 Note: General Instructions for CSA Standards are now called Updates. Please contact CSA Information Products Sales o
21、r visit www.csa.ca for information about the CSA Standards Update Service. Title: Frames and Covers for Maintenance Holes and Catchbasins originally published March 2003 The following revisions have been formally approved and are marked by the symbol delta () in the margin on the attached replacemen
22、t pages: Revised Clause 4.1 New None Deleted None CSA Standard B70.1 originally consisted of 10 pages (vii preliminary and 3 text), each dated March 2003. It now consists of the following pages: March 2003 ivii and 3 April 2003 1 and 2 Update your copy by inserting these revised pages. Keep the page
23、s you remove for reference. Canadian Standards Association Frames and Covers for Maintenance Holes and Catchbasins April 2003 1 (Replaces p. 1, March 2003) B70.1-03 Frames and Covers for Maintenance Holes and Catchbasins 1 Scope 1.1 General This Standard applies to frames and covers for maintenance
24、holes and catchbasins. 1.2 In CSA Standards, “shall” is used to express a requirement, i.e., a provision that the user is obliged to satisfy in order to comply with the standard; “should” is used to express a recommendation or that which is advised but not required; and “may” is used to express an o
25、ption or that which is permissible within the limits of the standard. Notes accompanying clauses do not include requirements or alternative requirements; the purpose of a note accompanying a clause is to separate from the text explanatory or informative material. Notes to tables and figures are cons
26、idered part of the table or figure and may be written as requirements. Legends to equations and figures are considered requirements. 2 Reference Publications This Standard refers to the following publications. Where such reference is made it shall be to the edition listed below. CSA (Canadian Standa
27、rds Association) CAN3-Z299.3-85 (R1997) Quality Assurance Program Category 3 ASTM (American Society for Testing and Materials) A 48/A 48M-00 Specification for Gray Iron Castings A 536/-84 (1999)e1 Specification for Ductile Iron Castings National Research Council Canada National Plumbing Code of Cana
28、da, 1995 3 Definitions The following definitions and those of the National Plumbing Code of Canada apply in this Standard: Castings grey and ductile iron maintenance hole frames and covers, and catchbasin frames and covers. Ductile iron cast iron in which the carbon not contained in pearlite is pres
29、ent in the form of spheroid graphitic carbon. B70.1-03 Canadian Standards Association 2 April 2003 (Replaces p. 2, March 2003) Grey cast iron cast iron in which the carbon not contained in pearlite is present in the form of interlaced flake graphitic carbon. Manufacturer the foundry where the castin
30、gs are produced. Side play the maximum clearance between any two adjacent vertical surfaces in the same horizontal plane. 4 Frames and Covers 4.1 Material Frames and covers for maintenance holes and catchbasins shall be made of either grey cast iron conforming to the requirements of ASTM A 48 Class
31、30 or ductile iron conforming to the requirements of ASTM A 536 Class 65-45-12. The castings shall be produced by an established commercial method that provides adequate control over chemical and physical properties. 4.2 Dimensions 4.2.1 Minimum Design Load All castings shall be capable of withstand
32、ing, without failure, a minimum ultimate limit state design load of 140 kN distributed over an area of 220 220 mm. 4.2.2 Side Play Cover side play within the frame at the top surface of the maintenance hole frame shall not exceed 10 mm. 4.3 Finish If painted, all surfaces shall be uniformly painted
33、with one shop coat of asphalt- or tar-based black paint having a minimum softening point of 71 C. All surfaces, joints, and crevices shall be thoroughly and evenly coated. The coating shall be adherent, not brittle, and without a tendency to scale. 5 Seating Surfaces All seating surfaces on circular
34、 frames and covers shall be ground or machined to prevent rocking. 6 Quality of Work Castings shall be sound and free from poring faults, sponginess, cracks, blowholes, and any other defect that would affect durability and service life. 7 Locking Devices All locking device components shall be manufa
35、ctured from similar materials compatible with the associated frame and cover. Standards Update ServiceB70.1-03March 2003Title: Frames and covers for maintenance holes and catchbasinsPagination: 10 pages (vii preliminary and 3 text), each dated March 2003To register for e-mail notification about any
36、updates to this publicationgo to shop.csa.caclick on CSA Update ServiceThe List ID that you will need to register for updates to this publication is 2014809.If you require assistance, please e-mail techsupportcsagroup.org or call 416-747-2233.Visit CSA Groups policy on privacy at csagroup.org/legal
37、to find out how we protect your personal information.CSA Standard B70.1-03 Frames and Covers for Maintenance Holes and Catchbasins Registered trade-mark of Canadian Standards Association Published in March 2003 by Canadian Standards Association A not-for-profit private sector organization 5060 Spect
38、rum Way, Suite 100, Mississauga, Ontario, Canada L4W 5N6 1-800-463-6727 416-747-4044 Visit our Online Store at www.csa.ca ISBN 1-55397-100-0 Technical Editor: Abraham I. Murra Canadian Standards Association 2003 All rights reserved. No part of this publication may be reproduced in any form whatsoeve
39、r without the prior permission of the publisher. Canadian Standards Association Frames and Covers for Maintenance Holes and Catchbasins March 2003 iii Contents Technical Committee on Cast Iron Soil Pipe, Fittings, and Methods of Joining iv Preface vi Foreword vii 1 Scope 1 2 Reference Publications 1
40、 3 Definitions 1 4 Frames and Covers 2 4.1 Material 2 4.2 Dimensions 2 4.2.1 Minimum Design Load 2 4.2.2 Side Play 2 4.3 Finish 2 5 Seating Surfaces 2 6 Quality of Work 2 7 Locking Devices 2 8 Marking 3 9 Quality Control 3 B70.1-03 Canadian Standards Association iv March 2003 Technical Committee on
41、Cast Iron Soil Pipe, Fittings, and Methods of Joining K.S. Hui Ontario Ministry of Municipal Affairs and Housing, Toronto, Ontario Chair B. Monaghan Canadian Foundry Association, Cambridge, Ontario Vice-Chair S. Allidina CSA, Toronto, Ontario W. Bliss Tyler Pipe Industries Incorporated, Tyler, Texas
42、, USA P. Bowe Richmond Foundry, Inc., Philadelphia, Pennsylvania, USA S.L. Cavanaugh United Association of Journeymen and Apprentices, Burbank, California, USA R. Davison Intertek Testing Services NA Ltd., Mississauga, Ontario T. Dipzinski Fernco Inc., Davison, Michigan, USA S. Holloway Richmond Fou
43、ndry, Inc., Philadelphia, Pennsylvania, USA V. Kacaba Plumbers and Steam Fitters Local 46, Scarborough, Ontario M. Lengyell Underground Specialties (Cambridge) Inc., Cambridge, Ontario W.H. LeVan Cast Iron Soil Pipe Institute, Chattanooga, Tennessee, USA V. Petrozza City of Toronto, Toronto, Ontario
44、 D.G.C. Ramsay Alberta Municipal Affairs, Edmonton, Alberta J. Seidner MEA Canada, c/o Brady and Seidner Limited, Downsview, Ontario Canadian Standards Association Frames and Covers for Maintenance Holes and Catchbasins March 2003 v C. Spagnuolo City of Brampton, Brampton, Ontario G. Stuempfle Bibby
45、-Ste-Croix, Cambridge, Ontario S. Sylvain Ville de Montral, Montral, Qubec J. Vanderwater Vandem Industries Inc., Burlington, Ontario A.I. Murra CSA, Mississauga, Ontario Project Manager B70.1-03 Canadian Standards Association vi March 2003 Preface This is the first edition of CSA B70.1, Frames and
46、Covers for Maintenance Holes and Catchbasins. This Standard was prepared by the Technical Committee on Cast Iron Soil Pipe, Fittings, and Methods of Joining, under the jurisdiction of the Strategic Steering Committee on Plumbing Products and Materials, and has been formally approved by the Technical
47、 Committee. It will be submitted to the Standards Council of Canada for approval as a National Standard of Canada. March 2003 Notes: 1) Use of the singular does not exclude the plural (and vice versa) when the sense allows. 2) Although the intended primary application of this Standard is stated in i
48、ts Scope, it is important to note that it remains the responsibility of the users of the Standard to judge its suitability for their particular purpose. 3) This publication was developed by consensus, which is defined by CSA Policy governing standardization Code of good practice for standardization
49、as “substantial agreement. Consensus implies much more than a simple majority, but not necessarily unanimity”. It is consistent with this definition that a member may be included in the Technical Committee list and yet not be in full agreement with all clauses of this publication. 4) CSA Standards are subject to periodic review, and suggesti
