AWWA D107 2010

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AWWA D107-10: Composite Elevated Tanks For Water Storage

Published By	Publication Date	Number of Pages
AWWA	2010	164

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Description

This standard describes the design, construction, inspection, and testing of composite elevated tanks that utilize a welded steel tank for watertight containment and a single pedestal concrete support structure. Requirements for the steel tank, concrete support structure, foundation, and accessories are included. Site selection and procurement, tank sizing, post-commissioning inspection and maintenance, and the design, operation, and control of the water distribution system that connects to the composite elevated tank are beyond the scope of this standard.

PDF Catalog

PDF Pages	PDF Title
1	ANSI/AWWA D107-10
3	Committee Personnel
9	Foreword I. Introduction.
10	II. Special Issues.
12	III. Use of This Standard.
13	IV. Major Revisions. V. Comments.
15	AWWA Standard Composite Elevated Tanks for Water Storage SECTION 1: GENERAL Sec. 1.1 Scope Sec. 1.2 Purpose Sec. 1.3 Application
16	Sec. 1.4 Drawings, Calculations, and Instructions Sec. 1.5 Quality Assurance Sec. 1.6 Equivalence Between US Customary Units and SI-Metric Units of Nonhomogeneous Equations
18	SECTION 2: REFERENCES
21	SECTION 3: DEFINITIONS
22	SECTION 4: GENERAL REQUIREMENTS FOR ANALYSIS AND DESIGN Sec. 4.1 General
25	Sec. 4.2 Design Loads
37	Table 1 Coefficients for calculation of velocity exposure height coefficient
38	Table 2a Design wind pressure Table 2b Design wind pressure
39	Table 3 Site classification
40	Table 4a Site coefficient Table 4b Site coefficient
63	Table 5 Coefficient for upper limit on calculated period
64	Sec. 4.3 Analysis and Design
66	SECTION 5: STEEL TANK Sec. 5.1 General
67	Table 6 Steel plate requirements Sec. 5.2 Material Requirements
68	Sec. 5.3 Analysis and Design
70	Table 7 Minimum size of fillet and partial joint penetration welds Table 8 Allowable stresses in shell plates and structural components
71	Table 9 Values of
74	Table 10 Plasticity reduction factor coefficients
75	Sec. 5.4 Fabrication and Construction Requirements
77	Table 11 Alignment tolerance of butt joints Table 12 Maximum reinforcement of shell butt joints*
78	SECTION 6: CONCRETE SUPPORT STRUCTURE Sec. 6.1 General
79	Sec. 6.2 Material Requirements Sec. 6.3 Analysis and Design
81	Table 13 Wall Reinforcement Requirements
84	Sec. 6.4 Fabrication and Construction Requirements
87	SECTION 7: FOUNDATIONS Sec. 7.1 General
88	Sec. 7.2 Material Requirements Sec. 7.3 Analysis and Design Table 14 Minimum safety factor for foundations
90	Sec. 7.4 Fabrication and Construction Requirements
93	SECTION 8: ACCESSORIES Sec. 8.1 General
94	Sec. 8.2 Ladders Sec. 8.3 Platforms and Railings
95	Sec. 8.4 Access Openings
96	Sec. 8.5 Permanent Rigging Devices Sec. 8.6 Ventilation Sec. 8.7 Piping
98	Sec. 8.8 Lightning Protection Sec. 8.9 Electrical and Lighting
100	Sec. 8.10 Interior Floors
101	Sec. 8.11 Antennas and Communication Equipment
102	SECTION 9: INSPECTION AND TESTING Sec. 9.1 General
103	Table 15a Specific reporting requirements Table 15b Other reports of tests and inspections, when specified. Sec. 9.2 Geotechnical and Foundation
104	Sec. 9.3 Concrete
106	Sec. 9.4 Steel Tank: Materials and Tolerances Sec. 9.5 Steel Tank: Welding
108	Table 16 Maximum reinforcement of shell butt joints at radiograph locations
111	Sec. 9.6 Accessories Sec. 9.7 Hydrotest
113	APPENDIX A Commentary SECTION A.1: GENERAL Sec. A.1.1 Scope Sec. A.1.3 Application Sec. A.1.4 Drawings, Calculations, and Instructions SECTION A.4: GENERAL REQUIREMENTS FOR ANALYSIS AND DESIGN Sec. A.4.2 Design Loads
123	Sec. A.4.3 Analysis and Design Methods
124	SECTION A.5: STEEL TANK Sec. A.5.1 General Sec. A.5.2 Material Requirements
125	Table A.1 Plate material properties Sec. A.5.3 Analysis and Design
131	Sec. A.5.4 Fabrication and Construction Requirements
133	Table A.2 Preheat requirements for standard Weld Procedure Specifications* SECTION A.6: CONCRETE SUPPORT STRUCTURE Sec. A.6.3 Analysis and Design
137	Sec. A.6.4 Fabrication and Construction Requirements
138	SECTION A.7: FOUNDATIONS Sec. A.7.1 General Sec. Sec. A.7.2 Material Requirements Sec. A.7.3 Analysis and Design
139	Sec. A.7.4 Fabrication and Construction Requirements
140	SECTION A.8: ACCESSORIES Sec. A.8.1 General
141	Sec. A.8.2 Ladders Table A.3 Side Rail Size and Spacing (ASTM A36 Steel)
142	Sec. A.8.3 Platforms and Railings Sec. A.8.4 Access Openings
143	Sec. A.8.5 Permanent Rigging Devices Sec. A.8.6 Ventilation Sec. A.8.7 Piping
144	Sec. A.8.8 Lightning Protection Sec. A.8.9 Electrical and Lighting
145	Sec. A.8.10 Interior Floors Sec. A.8.11 Antennas and Communication Equipment SECTION A.9: INSPECTION AND TESTING COMMENTARY Sec. A.9.1 General
146	Sec. A.9.2 Geotechnical and Foundation Sec. A.9.3 Concrete
147	Sec. A.9.4 Steel Tank: Materials and Tolerances Sec. A.9.5 Steel Tank: Welding
148	Table A.4 Fillet Weld Convexity
149	Table A.5 IQI Selection
150	Table A.6 Maximum Acceptable Rounded Discontinuities for RT*
151	Cited References Section A.4
152	Section A.5
153	APPENDIX B Information Provided by Purchaser SECTION B.1: REQUIRED INFORMATION SECTION B.2: PURCHASER OPTIONS Table B.1 Optional Requirements and Defaults
154	Table B.1 Optional Requirements and Defaults (continued)
155	Table B.1 Optional Requirements and Defaults (continued)
156	Table B.1 Optional Requirements and Defaults (continued)
157	APPENDIX C Recommendations for Geotechnical Investigation SECTION C.1: GENERAL
158	Table C.1 Minimum Safety Factor for Pile Foundations SECTION C.2: DESIGN CRITERIA SECTION C.3: FIELD INVESTIGATION
159	SECTION C.4: LABORATORY TESTING SECTION C.5: ENGINEERING ANALYSIS AND RECOMMENDATIONS
161	References