AWWA D107-2016 Composite Elevated Tanks for Water Storage.pdf

1、AWWA Standard SM Composite Elevated Tanks for Water Storage Effective date: Jan. 1, 2017. First edition approved by AWWA Board of Directors Jan. 17, 2010. This edition approved Jan. 16, 2016. Approved by American National Standards Institute Dec. 21, 2015. ANSI/AWWA D107-16 (Revision of ANSI/AWWA D1

2、07-10) Copyright 2016 American Water Works Association. All Rights Reserved. ii AWWA Standard This document is an American Water Works Association (AWWA) standard. It is not a specification. AWWA standards describe minimum requirements and do not contain all of the engineering and administrative inf

3、ormation normally contained in specifications. The AWWA standards usually contain options that must be evaluated by the user of the standard. Until each optional feature is specified by the user, the product or service is not fully defined. AWWA pub- lication of a standard does not constitute endors

4、ement of any product or product type, nor does AWWA test, certify, or approve any product. The use of AWWA standards is entirely voluntary. This standard does not supersede or take precedence over or displace any applicable law, regulation, or code of any governmental authority. AWWA standards are i

5、ntended to represent a consensus of the water industry that the product described will provide satisfactory ser- vice. When AWWA revises or withdraws this standard, an official notice of action will be placed on the first page of the Official Notice section of Journal American Water Works Associatio

6、n. The action becomes effective on the first day of the month following the month of Journal American Water Works Association publication of the official notice. American National Standard An American National Standard implies a consensus of those substantially concerned with its scope and provision

7、s. An American National Standard is intended as a guide to aid the manufacturer, the consumer, and the general public. The existence of an American National Standard does not in any respect preclude anyone, whether that person has ap - proved the standard or not, from manufacturing, marketing, purch

8、asing, or using products, processes, or procedures not conforming to the standard. American National Standards are subject to periodic review, and users are cautioned to obtain the latest editions. Producers of goods made in conformity with an American National Standard are encour - aged to state on

9、 their own responsibility in advertising and promotional materials or on tags or labels that the goods are produced in conformity with particular American National Standards. Caution n oti Ce : The American National Standards Institute (ANSI) approval date on the front cover of this standard indicat

10、es completion of the ANSI approval process. This American National Standard may be revised or withdrawn at any time. ANSI procedures require that action be taken to reaffirm, revise, or withdraw this standard no later than five years from the date of publication. Purchasers of American National Stan

11、dards may receive current information on all standards by calling or writing the American National Standards Institute, 25 West 43rd Street, Fourth Floor, New York, NY 10036; 212.642.4900; or emailing infoansi.org. ISBN-13, print: 978-1-62576-187-3 eISBN-13, electronic: 978-1-61300-396-1DOI: http:/d

12、x.doi.org/10.12999/AWWA.D107.16 All rights reserved. No part of this publication may be reproduced or transmitted in any form or by any means, electronic or mechanical, including photocopy, recording, or any information or retrieval system, except in the form of brief excerpts or quotations for revi

13、ew purposes, without the written permission of the publisher. Copyright 2016 by American Water Works Association Printed in USA hours of work by your fellow water professionals. Revenue from the sales of this AWWA material supports ongoing product development. Unauthorized distribution, either elect

14、ronic or photocopied, is illegal and hinders AWWAs mission to support the water community. This AWWA content is the product of thousands of Copyright 2016 American Water Works Association. All Rights Reserved. iii Committee Personnel The AWWA Standards Committee on Composite Elevated Tanks, which re

15、viewed and approved this standard, had the following personnel at the time of approval: Edwin A. Smith, Chair General Interest Members J.W. Birkhoff, Birkhoff, Hendricks, & Carter LLP, Dallas, Texas (AWWA) M.M. Coleman,* Standards Council Liaison, Wade Trim Associates Inc., Detroit, Mich. (AWWA) W.J

16、. Dixon, Dixon Engineering Inc., Lake Odessa, Mich. (AWWA) R.E. Gell, OBrien & Gere Engineers Inc., Syracuse, N.Y. (AWWA) F.S. Kurtz,* Standards Engineer Liaison, AWWA, Denver, Colo. (AWWA) S.W. Meier, Tank Industry Consultants Inc., Indianapolis, Ind. (AWWA) E.A. Smith, Jacobs, Dallas, Texas (AWWA)

17、 Producer Members G.A. Burke, Caldwell Tanks Inc., Louisville, Ky. (AWWA) W.J. Czaska, CB&I, Plainfield, Ill. (AWWA) R. Pawski, Landmark Structures Inc., Wheaton, Ill. (AWWA) D.L. Stilger, Caldwell Tanks Inc., Louisville, Ky. (AWWA) User Members R.E. McCuller, City of Grand Prairie, Grand Prairie, T

18、exas (AWWA) R.B. Potts, Louisville Water Company, Louisville, Ky. (AWWA) G. Terrell, Birmingham Water Works Board, Birmingham, Ala. (AWWA) * Liaison, nonvoting Alternate Copyright 2016 American Water Works Association. All Rights Reserved. This page intentionally blank. Copyright 2016 American Water

19、 Works Association. All Rights Reserved. v Contents All AWWA standards follow the general format indicated subsequently. Some variations from this format may be found in a particular standard. SEC. PAGE SEC. PAGE Foreword I Introduction . ix I.A Background ix I.B History . ix I.C Acceptance . ix II

20、Special Issues . x II.A Applicable Building Codes x II.B Personnel Safety Standards . xi II.C Special Loading Conditions . xi II.D Professional Engineer (PE) Certification . xi II.E Inspection and Maintenance xi II.F Cold Climates xi II.G Use of Interior Space xi II.H Aesthetics . xi II.I Structural

21、 Evaluation . xi III Use of This Standard . xii III.A General . xii III.B Specifying ANSI/AWWA D107 . xiii III.C Modification of Standard . xiii IV Major Revisions xiii V Comments . xiv Standard 1 General 1.1 Scope 1 1.2 Purpose . 1 1.3 Application 1 1.4 Drawings, Calculations, and Instructions . 2

22、1.5 Quality Assurance . 2 1.6 Equivalence Between US Customary Units and SI-Metric Units of Nonhomogeneous Equations . 2 2 References 4 3 Definitions . 7 4 General Requirements for Analysis and Design 4.1 General . 9 4.2 Design Loads 11 4.3 Analysis and Design 21 5 Steel Tank 5.1 General . 23 5.2 Ma

23、terial Requirements 24 5.3 Analysis and Design 24 5.4 Fabrication and Construction Requirements 31 6 Concrete Support Structure 6.1 General . 34 6.2 Material Requirements 36 6.3 Analysis and Design 36 6.4 Fabrication and Construction Requirements 41 Copyright 2016 American Water Works Association. A

24、ll Rights Reserved. vi 7 Foundations 7.1 General 44 7.2 Material Requirements 45 7.3 Analysis and Design 45 7.4 Fabrication and Construction Requirements 48 8 Accessories 8.1 General . 50 8.2 Ladders . 51 8.3 Platforms and Railings 51 8.4 Access Openings . 52 8.5 Permanent Rigging Devices 53 8.6 Ven

25、tilation 53 8.7 Piping 53 8.8 Lightning Protection . 55 8.9 Electrical and Lighting 55 8.10 Interior Floors . 57 8.11 Antennas and Communication Equipment 58 9 Inspection and Testing 9.1 General . 59 9.2 Geotechnical and Foundation . 60 9.3 Concrete 61 9.4 Steel Tank: Materials and Tolerances . 63 9

26、.5 Steel Tank: Welding 63 9.6 Accessories 68 9.7 Hydrotest 68 Appendixes A Commentary on Selected Sections of the Standard A.1 General .69 A.2 References .69 A.4 General Requirements for Analysis and Design 70 A.5 Steel Tank .83 A.6 Concrete Support Structure .92 A.7 Foundations 97 A.8 Accessories 9

27、9 A.9 Inspection and Testing 105 B Information Provided by Purchaser B.1 Required Information113 B.2 Purchaser Options .113 C Recommendations for Geotechnical Investigation C.1 General . 117 C.2 Design Criteria 118 C.3 Field Investigation . 118 C.4 Laboratory Testing 119 C.5 Engineering Analysis and

28、 Recommendations .120 Figures 1 Extreme Frost Penetration (depth in inches based on state averages) 47 2 Minimum Pipe Cover (cover above top of pipe in feet) by Geographic Area . 56 SEC. PAGE SEC. PAGE Copyright 2016 American Water Works Association. All Rights Reserved. vii SEC. PAGE SEC. PAGE A1 D

29、esign Spectral Acceleration .75 A2 Impulsive and Convective Design Spectral Acceleration .78 A3 Modeled Imperfection .89 A4 Total Shear, V u , Distributed to Each Shear Wall. .94 Tables 1 Coefficients for Calculation of Velocity Exposure Height Coefficient K z14 2a Site Coefficient F a15 2b Site Coe

30、fficient F v15 3 Coefficient for Upper Limit on Calculated Period C u.20 4 Steel Plate Requirements .25 5 Allowable Stresses in Shell Plates and Structural Components .26 6 Minimum Size of Fillet and Partial Joint Penetration Welds .27 7 Values of (R/t) c .29 8 Plasticity Reduction Factor Coefficien

31、ts .31 9 Alignment Tolerance of Butt Joints .34 10 Maximum Reinforcement of Shell Butt Joints 34 11 Wall Reinforcement Requirements 37 12 Minimum Factor of Safety for Foundations 45 13a Specific Reporting Requirements 60 13b Other Reports of Tests and Inspections, When Specified .60 14 Maximum Reinf

32、orcement of Shell Butt Joints at Radiograph Locations.65 A.1a Factored Design Wind Pressure C fp z(in psf) for V b= 120 mph .72 A.1b Factored Design Wind Pressure C fp z(in Pa) for V b= 54 m/sec 72 A.2 Site Classification .74 A.3 Plate Material Properties .84 A.4 Preheat Requirements for Standard We

33、ld Procedure Specifications 91 A.5 Allowable Stress in Piles Typically Used .98 A.6 Side Rail Size and Spacing (ASTM A36 Steel) 101 A.7 Fillet Weld Convexity .108 A.8 IQI Selection .109 A.9 Maximum Acceptable Rounded Discontinuities For RT 110 B.1 Optional Requirements and Defaults 113 C.1 Minimum F

34、actor of Safety for Pile Foundations 118 Copyright 2016 American Water Works Association. All Rights Reserved. This page intentionally blank. Copyright 2016 American Water Works Association. All Rights Reserved. ix Foreword This foreword is for information only and is not a part of ANSI*/AWWA D107.

35、I. Introduction. I.A. Background. A composite elevated water tank is composed of a welded steel tank for watertight containment, a single pedestal concrete support structure, a foundation, and accessories. The AWWA Standards Committee on Composite Elevated Tanks was formed to prepare a standard for

36、the design, construction, inspection, and testing of composite elevated tanks. ACI 371R, Guide for the Analysis, Design, and Construction of Ele- vated Concrete and Composite Steel-Concrete Water Storage Tanks, a nd A NSI/AW WA D100, Welded Carbon Steel Tanks for Water Storage, are used as source do

37、cuments. Work covered by this standard is usually procured under a design-build contract. It is intended that ANSI/AWWA D107 be used as a reference standard in project docu- ments prepared by purchasers and engineers specifying composite elevated water tanks. I.B. History. The AWWA Standards Committ

38、ee on Composite Elevated Tanks was formed in 1992 to prepare a standard for these structures. The first edition of ANSI/ AWWA D107 was approved by the AWWA Board of Directors on Jan. 17, 2010. This edition was approved on Jan. 16, 2016. I.C. Acceptance. In May 1985, the US Environmental Protection A

39、gency (USEPA) entered into a cooperative agreement with a consortium led by NSF International (NSF) to develop voluntary third-party consensus standards and a certification program for direct and indirect drinking water additives. Other members of the original consortium included the Water Research

40、Foundation (formerly AwwaRF) and the Conference of State Health and Environmental Managers (COSHEM). The American Water Works Association (AWWA) and the Association of State Drinking Water Administrators (ASDWA) joined later. In the United States, authority to regulate products for use in, or in con

41、tact with, drinking water rests with individual states. Local agencies may choose to impose requirements more stringent than those required by the state. To evaluate the health effects of products and drinking water additives from such products, state and local agencies may use various references, i

42、ncluding * American National Standards Institute, 25 West 43rd Street, Fourth Floor, New York, NY 10036. American Concrete Institute (ACI), 38800 Country Club Drive, Farmington Hills, MI 48331. Persons outside the United States should contact the appropriate authority having jurisdiction. Copyright

43、2016 American Water Works Association. All Rights Reserved. x 1. Specific policies of the state or local agency. 2. Two standards developed under the direction of NSF*: NSF/ANSI 60, Drinking Water Treatment ChemicalsHealth Effects, and NSF/ANSI 61, Drinking Water System ComponentsHealth Effects. 3.

44、Other references, including AWWA standards, Food Chemicals Codex, Water Chemicals Codex, and other standards considered appropriate by the state or local agency. Various certification organizations may be involved in certifying products in accor- dance with NSF/ANSI 61. Individual states or local ag

45、encies have authority to accept or accredit certification organizations within their jurisdictions. Accreditation of certi- fication organizations may vary from jurisdiction to jurisdiction. Annex A, “Toxicology Review and Evaluation Procedures,” to NSF/ANSI 61 does not stipulate a maximum allowable

46、 level (MAL) of a contaminant for substances not regulated by a USEPA final maximum contaminant level (MCL). The MALs of an unspecified list of “unregulated contaminants” are based on toxicity testing guidelines (noncarcinogens) and risk characterization methodology (carcinogens). Use of Annex A pro

47、cedures may not always be identical, depending on the certifier. ANSI/AWWA D107 does not address additives requirements. Users of this stan- dard should consult the appropriate state or local agency having jurisdiction in order to 1. Determine additives requirements, including applicable standards.

48、2. Determine the status of certifications by parties offering to certify products for contact with, or treatment of, drinking water. 3. Determine current information on product certification. II. Special Issues. II.A. Applicable Building Codes. Building codes may not have specific provisions for non

49、building structures such as composite elevated tanks. The purchaser should make a determination as to the intent of the requirements of the applicable building codes and should specify the extent to which such building codes apply to a project. It is intended that specified building codes govern where they have more stringent requirements than this standard. II.B. Personnel Safety Standards. The personnel safety requirements in this standard are based on OSHA 29 CFR, Part 1910, Occupational Safety and Health Standards, and industry practice. The user i