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AWWA D100 2005

AWWA D100 2005

$75.83

AWWA D100-05: Welded Carbon Steel Tanks For Water Storage

Published By Publication Date Number of Pages
AWWA 2005 252
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The purpose of this standard is to provide guidance to facilitate the design, manufacture, and procurement of welded carbon steel tanks for the storage of water.

PDF Catalog

PDF Pages PDF Title
1 ANSI/AWWA D100-05
3 Committee Personnel
7 Contents
15 Foreword
I. Introduction.
19 II. Special Issues.
III. Use of This Standard.
28 IV. Major Revisions.
30 V. Comments.
31 AWWA Standard Welded Carbon Steel Tanks
for Water Storage

SECTION 1: GENERAL
Sec. 1.1 Scope
32 Sec. 1.2 Definitions
Sec. 1.3 Drawings to Be Provided
33 Sec. 1.4 References
37 SECTION 2: MATERIALS
Sec. 2.1 General
38 Sec. 2.2 Material Requirements
39 Table 1 Thickness limitations and special requirements
41 SECTION 3: GENERAL DESIGN
Sec. 3.1 Design Loads
43 Table 2 Force coefficient
Table 3 Velocity pressure exposure coefficient
50 Sec. 3.2 Unit Stresses
51 Table 4 Unit stresses—tension
52 Table 5 Unit stresses—compression
Table 6 Unit stresses—primary bending
53 Table 7 Unit stresses—shearing
Table 8 Unit stresses—bearing
Table 9 Material classes
54 Sec. 3.3 Combined Stresses
55 Sec. 3.4 Column, Strut, and Shell Stability Formulas
60 Table 10 Allowable local buckling compressive stress
61 Table 11 Allowable local buckling compressive stress
62 Table 12 Allowable axial compressive stress
63 Table 13 Allowable axial compressive stress
64 Table 14 Values
68 Sec. 3.5 Shell Girder, Intermediate Stiffeners, and Compression Rings
71 Sec. 3.6 Roofs
72 Sec. 3.7 Cylindrical Shell Plates
73 Table 15 Weld design values—tank plate joints
74 Sec. 3.8 Anchorage
79 Sec. 3.9 Corrosion Allowance and Protection
Sec. 3.10 Minimum Thickness and Size
80 Sec. 3.11 Joints
Table 16 Minimum thickness of cylindrical shell plates in contact with water
81 Sec. 3.12 Weld Design Values
Sec. 3.13 Reinforcement Around Openings
84 Sec. 3.14 Equivalent Metric Equations
85 SECTION 4: SIZING AND DESIGN OF ELEVATED
TANKS
Sec. 4.1 Standard Capacities
Sec. 4.2 Heights for Elevated Tanks
Sec. 4.3 Standard Head Range
86 Table 17 Standard capacities for elevated tanks
Sec. 4.4 Cross-Braced, Multicolumn Elevated Tanks
88 Sec. 4.5 Tank Plates
89 Sec. 4.6 Pedestal Tanks
Sec. 4.7 Tank Stability Against Overturning
Sec. 4.8 Lateral Load Distribution
90 SECTION 5: ACCESSORIES FOR ELEVATED TANKS
Sec. 5.1 Steel Riser
Sec. 5.2 Pipe Connection
91 Sec. 5.3 Overflow
Sec. 5.4 Access
93 Sec. 5.5 Vent
Sec. 5.6 Antennas and Related Equipment
94 Sec. 5.7 Galvanic Corrosion
SECTION 6: SIZING OF GROUND-SUPPORTED
STANDPIPES AND RESERVOIRS
SECTION 7: ACCESSORIES FOR GROUND-
SUPPORTED STANDPIPES AND RESERVOIRS
Sec. 7.1 Flush-Type Cleanouts
Sec. 7.2 Pipe Connections
95 Sec. 7.3 Overflow
Sec. 7.4 Access
97 Sec. 7.5 Vent
Sec. 7.6 Antennas and Related Equipment
Sec. 7.7 Galvanic Corrosion
SECTION 8: WELDING
Sec. 8.1 Definitions and Symbols
98 Sec. 8.2 Qualification of Welding Procedures, Welders, and Welding Operators
99 Sec. 8.3 Weld Joint Records
Sec. 8.4 Butt Joints
100 Sec. 8.5 Lap Joints
Sec. 8.6 Flat Tank Bottoms Resting Directly on Grade or Foundation
101 Table 18 Minimum size of fillet weld-shell-to-bottom joint

Sec. 8.7 Shell-to-Bottom Joint
Sec. 8.8 Shell Plates
Sec. 8.9 Tubular Column and Strut Sections
102 Sec. 8.10 Steel Risers
Sec. 8.11 Roof Plates
Sec. 8.12 Maximum Thickness of Material to Be Welded
103 Sec. 8.13 Lap Restrictions for Welded Lap Joints
Sec. 8.14 Minimum Size of Fillet and Seal Welds
104 Sec. 8.15 Minimum Length of Welds
Sec. 8.16 Intermittent Welding
Sec. 8.17 Corrosion Protection
SECTION 9: SHOP FABRICATION
Sec. 9.1 Workmanship
Sec. 9.2 Straightening
105 Sec. 9.3 Finish of Plate Edges-Welded Work

Sec. 9.4 Rolling
Sec. 9.5 Double-Curved Plates
Sec. 9.6 Columns
106 Table 19 Minimum diameter for unrolled shell plates for elevated tanks
Sec. 9.7 Shop Assembly
Sec. 9.8 High-Strength Anchor Bolts
Sec. 9.9 Shipping
SECTION 10: ERECTION
Sec. 10.1 Welds
107 Sec. 10.2 Preparation of Surfaces to Be Welded
108 Table 20 Maximum thickness of reinforcement for butt joints
Sec. 10.3 Preheating Weld Joints
109 Sec. 10.4 Low-Hydrogen Electrodes and Welding Processes
Sec. 10.5 Tack Welds
110 Sec. 10.6 Tank Assembly
111 Table 21 Roundness—cylindrical shells
112 Table 22 Maximum allowable offset of aligned butt joints
Sec. 10.7 Matching Plates
Sec. 10.8 Grouting of Column, Riser, and Single-Pedestal Bases for Elevated Tanks
Sec. 10.9 High-Strength Anchors
113 SECTION 11: INSPECTION AND TESTING
Sec. 11.1 General
Sec. 11.2 Inspection Report
Sec. 11.3 Welders’ Credentials
Sec. 11.4 Inspection of Welded Joints
117 Sec. 11.5 Number and Location of Radiographs for Butt Weld Joints in Tank Shells,
Load-Bearing Risers, and Single-Pedestal Columns
118 Sec. 11.6 Procedures for Inspection of Welded-Shell Butt Joints-Radiographic
Testing
120 Table 23 Maximum height of weld reinforcement of weld for butt joints above plate surface
121 Sec. 11.7 Procedure for Inspection of Groove Welds in Tension Member Bracing by
Ultrasonic Inspection
Sec. 11.8 Inspection by Air Carbon Arc Gouging
Sec. 11.9 Repair of Defective Welds
122 Sec. 11.10 Testing
SECTION 12: FOUNDATION DESIGN
Sec. 12.1 General Requirements
123 Sec. 12.2 Soil-Bearing Value
Sec. 12.3 Safety Factors
124 Sec. 12.4 Foundations for Cross-Braced Multicolumn Tanks
125 Sec. 12.5 Foundations for Single-Pedestal Tanks
127 Sec. 12.6 Foundations for Ground-Supported Flat-Bottom Tanks
129 Sec. 12.7 Detail Design of Foundations
130 Sec. 12.8 Concrete Design, Materials, and Construction
131 Sec. 12.9 Backfill
SECTION 13: SEISMIC DESIGN OF WATER
STORAGE TANKS
Sec. 13.1 General
133 Sec. 13.2 Design Earthquake Ground Motion
134 Table 24 Seismic importance factor
153 Table 25 Site Class definitions
156 Table 26 Short-period site coefficient
157 Table 27 Long-period site coefficient
Table 28 Response modification factors
170 Sec. 13.3 Cross-Braced, Column-Supported Elevated Tanks
172 Sec. 13.4 Pedestal-Type Elevated Tanks
174 Sec. 13.5 Ground-Supported Flat-Bottom Tanks
185 Table 29 Minimum freeboard requirements
Sec. 13.6 Piping Connections
186 Sec. 13.7 Foundation Design for Ground-Supported Flat-Bottom Tanks
Table 30 Minimum design displacements for piping attachments
187 Sec. 13.8 Equivalent Metric Equations
189 SECTION 14: ALTERNATIVE DESIGN BASIS FOR
STANDPIPES AND RESERVOIRS
Sec. 14.1 Alternative Design Basis
191 Sec. 14.2 Materials
194 Table 31 Category 1 material requirements for shell plates in contact with water to be used for design
metal temperature tabulated
195 Table 32 Category 2 materials
Table 33 Category 3 materials
198 Sec. 14.3 General Design
200 Table 34 Maximum design tensile stresses in shell plates in contact with water
202 Table 35 Minimum thickness of bottom annulus
Sec. 14.4 Inspection
206 Sec. 14.5 Certification of Compliance
SECTION 15: STRUCTURALLY SUPPORTED
ALUMINUM DOME ROOFS
Sec. 15.1 General
207 Sec. 15.2 Definition
Sec. 15.3 Design Requirements
Sec. 15.4 Materials
208 Sec. 15.5 Allowable Stresses
209 Table 36 Bolts and fasteners
210 Sec. 15.6 Design
211 Sec. 15.7 Roof Attachment Details
Sec. 15.8 Physical Characteristics
Sec. 15.9 Testing and Sealing
212 Sec. 15.10 Fabrication and Erection
Sec. 15.11 Coatings
213 Sec. 15.12 Equivalent Metric Equations
214 APPENDIX A Commentary for Welded Carbon Steel Tanks for Water Storage

SECTION A.1: GENERAL (Refer to Sec. 1 of
ANSI/AWWA D100.)
Sec. A.1.1 Scope
Sec. A.1.4 References
216 SECTION A.3: GENERAL DESIGN (Refer to Sec. 3 of
ANSI/AWWA D100.)
Sec. A.3.1 Design Loads
217 Sec. A.3.2 Unit Stresses
Sec. A.3.4 Column, Strut, and Shell Stability Formulas
219 Sec. A.3.6 Roofs
220 Sec. A.3.8 Anchorage
Sec. A.3.9 Corrosion Allowance and Protection
221 Sec. A.3.10 Minimum Thickness and Size
SECTION A.4: SIZING AND DESIGN OF ELEVATED
TANKS (Refer to Sec. 4 of ANSI/AWWA D100.)
Sec. A.4.4 Cross-Braced, Multicolumn Elevated Tanks
Sec. A.4.5 Tank Plates
222 SECTION A.5: ACCESSORIES FOR ELEVATED TANKS
(Refer to Sec. 5 of ANSI/AWWA D100.)
Sec. A.5.1 Steel Riser
Sec. A.5.3 Overflow
Sec. A.5.4 Access
223 Sec. A.5.5 Vent
Sec. A.5.6 Antennas and Related Equipment
226 Sec. A.5.7 Galvanic Corrosion
SECTION A.7: ACCESSORIES FOR GROUND-
SUPPORTED STANDPIPES AND RESERVOIRS
(Refer to Sec. 7 of ANSI/AWWA D100.)
Sec. A.7.2 Pipe Connections
Sec. A.7.3 Overflow
227 Sec. A.7.4 Access
Sec. A.7.5 Vent
Sec. A.7.7 Galvanic Corrosion
SECTION A.8: WELDING (Refer to Sec. 8 of
ANSI/AWWA D100.)
Sec. A.8.2 Qualification of Welding Procedures, Welders, and Welding Operators
228 Sec. A.8.3 Weld Joint Records
229 Sec. A.8.9 Tubular Column and Strut Sections
Sec. A.8.13 Lap Restrictions for Welded Lap Joints
Sec. A.8.14 Minimum Size of Fillet and Seal Welds
Sec. A.8.17 Corrosion Protection
SECTION A.9: SHOP FABRICATION (Refer to Sec. 9 of
ANSI/AWWA D100.)
Sec. A.9.4 Rolling
SECTION A.10: ERECTION (Refer to Sec. 10 of ANSI/
AWWA D100.)
Sec. A.10.1 Welds
230 Sec. A.10.4 Low-Hydrogen Electrodes and Welding Processes
Sec. A.10.6 Tank Assembly
231 SECTION A.11: INSPECTION AND TESTING (Refer to
Sec. 11 of ANSI/AWWA D100.)
Sec. A.11.2 Inspection Report
Sec. A.11.4 Inspection of Welded Joints
232 Sec. A.11.10 Testing
SECTION A.12: FOUNDATION DESIGN (Refer to
Sec. 12 of ANSI/AWWA D100.)
Sec. A.12.1 General Requirements
233 Sec. A.12.6 Foundations for Ground-Supported Flat-Bottom Tanks
Sec. A.12.7 Detail Design of Foundations
SECTION A.13: SEISMIC DESIGN OF WATER
STORAGE TANKS (Refer to Sec. 13 of ANSI/AWWA
D100.)
Sec. A.13.1 General
234 Sec. A.13.2 Design Earthquake Ground Motion
235 Table A.1 Seismic Use Group
237 Sec. A.13.3 Cross-Braced, Column-Supported Elevated Tanks
238 Sec. A.13.4 Pedestal-Type Elevated Tanks
Sec. A.13.5 Ground-Supported Flat-Bottom Tanks
241 Sec. A.13.6 Piping Connections
242 SECTION A.14: ALTERNATIVE DESIGN BASIS FOR
STANDPIPES AND RESERVOIRS (Refer to Sec. 14
of ANSI/AWWA D100.)
Sec. A.14.1 Alternative Design Basis
243 Sec. A.14.2 Materials
Sec. A.14.3 General Design
244 APPENDIX B Default Checklist

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AWWA D100 2005
$75.83