Already a subscriber?
MADCAD.com Free Trial
Sign up for a 3 day free trial to explore the MADCAD.com interface, PLUS access the
2009 International Building Code to see how it all works.
If you like to setup a quick demo, let us know at support@madcad.com
or +1 800.798.9296 and we will be happy to schedule a webinar for you.
Security check
Please login to your personal account to use this feature.
Please login to your authorized staff account to use this feature.
Are you sure you want to empty the cart?
AWWA D100-05: Welded Carbon Steel Tanks For Water Storage, 2005
- ANSI/AWWA D100-05
- Committee Personnel
- Contents
- Foreword [Go to Page]
- I. Introduction.
- II. Special Issues.
- III. Use of This Standard.
- IV. Major Revisions.
- V. Comments.
- AWWA Standard Welded Carbon Steel Tanks
for Water Storage
- SECTION 1: GENERAL [Go to Page]
- Sec. 1.1 Scope
- Sec. 1.2 Definitions
- Sec. 1.3 Drawings to Be Provided
- Sec. 1.4 References
- SECTION 2: MATERIALS [Go to Page]
- Sec. 2.1 General
- Sec. 2.2 Material Requirements
- Table 1 Thickness limitations and special requirements
- SECTION 3: GENERAL DESIGN [Go to Page]
- Sec. 3.1 Design Loads
- Table 2 Force coefficient
- Table 3 Velocity pressure exposure coefficient
- Sec. 3.2 Unit Stresses
- Table 4 Unit stresses—tension
- Table 5 Unit stresses—compression
- Table 6 Unit stresses—primary bending
- Table 7 Unit stresses—shearing
- Table 8 Unit stresses—bearing
- Table 9 Material classes
- Sec. 3.3 Combined Stresses
- Sec. 3.4 Column, Strut, and Shell Stability Formulas
- Table 10 Allowable local buckling compressive stress
- Table 11 Allowable local buckling compressive stress
- Table 12 Allowable axial compressive stress
- Table 13 Allowable axial compressive stress
- Table 14 Values
- Sec. 3.5 Shell Girder, Intermediate Stiffeners, and Compression Rings
- Sec. 3.6 Roofs
- Sec. 3.7 Cylindrical Shell Plates
- Table 15 Weld design values—tank plate joints
- Sec. 3.8 Anchorage
- Sec. 3.9 Corrosion Allowance and Protection
- Sec. 3.10 Minimum Thickness and Size
- Sec. 3.11 Joints
- Table 16 Minimum thickness of cylindrical shell plates in contact with water
- Sec. 3.12 Weld Design Values
- Sec. 3.13 Reinforcement Around Openings
- Sec. 3.14 Equivalent Metric Equations
- SECTION 4: SIZING AND DESIGN OF ELEVATED
TANKS [Go to Page]
- Sec. 4.1 Standard Capacities
- Sec. 4.2 Heights for Elevated Tanks
- Sec. 4.3 Standard Head Range
- Table 17 Standard capacities for elevated tanks
- Sec. 4.4 Cross-Braced, Multicolumn Elevated Tanks
- Sec. 4.5 Tank Plates
- Sec. 4.6 Pedestal Tanks
- Sec. 4.7 Tank Stability Against Overturning
- Sec. 4.8 Lateral Load Distribution
- SECTION 5: ACCESSORIES FOR ELEVATED TANKS [Go to Page]
- Sec. 5.1 Steel Riser
- Sec. 5.2 Pipe Connection
- Sec. 5.3 Overflow
- Sec. 5.4 Access
- Sec. 5.5 Vent
- Sec. 5.6 Antennas and Related Equipment
- Sec. 5.7 Galvanic Corrosion
- SECTION 6: SIZING OF GROUND-SUPPORTED
STANDPIPES AND RESERVOIRS
- SECTION 7: ACCESSORIES FOR GROUND-
SUPPORTED STANDPIPES AND RESERVOIRS [Go to Page]
- Sec. 7.1 Flush-Type Cleanouts
- Sec. 7.2 Pipe Connections
- Sec. 7.3 Overflow
- Sec. 7.4 Access
- Sec. 7.5 Vent
- Sec. 7.6 Antennas and Related Equipment
- Sec. 7.7 Galvanic Corrosion
- SECTION 8: WELDING [Go to Page]
- Sec. 8.1 Definitions and Symbols
- Sec. 8.2 Qualification of Welding Procedures, Welders, and Welding Operators
- Sec. 8.3 Weld Joint Records
- Sec. 8.4 Butt Joints
- Sec. 8.5 Lap Joints
- Sec. 8.6 Flat Tank Bottoms Resting Directly on Grade or Foundation
- 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
- Sec. 8.10 Steel Risers
- Sec. 8.11 Roof Plates
- Sec. 8.12 Maximum Thickness of Material to Be Welded
- Sec. 8.13 Lap Restrictions for Welded Lap Joints
- Sec. 8.14 Minimum Size of Fillet and Seal Welds
- Sec. 8.15 Minimum Length of Welds
- Sec. 8.16 Intermittent Welding
- Sec. 8.17 Corrosion Protection
- SECTION 9: SHOP FABRICATION [Go to Page]
- Sec. 9.1 Workmanship
- Sec. 9.2 Straightening
- Sec. 9.3 Finish of Plate Edges-Welded Work
- Sec. 9.4 Rolling
- Sec. 9.5 Double-Curved Plates
- Sec. 9.6 Columns
- 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 [Go to Page]
- Sec. 10.1 Welds
- Sec. 10.2 Preparation of Surfaces to Be Welded
- Table 20 Maximum thickness of reinforcement for butt joints
- Sec. 10.3 Preheating Weld Joints
- Sec. 10.4 Low-Hydrogen Electrodes and Welding Processes
- Sec. 10.5 Tack Welds
- Sec. 10.6 Tank Assembly
- Table 21 Roundness—cylindrical shells
- 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
- SECTION 11: INSPECTION AND TESTING [Go to Page]
- Sec. 11.1 General
- Sec. 11.2 Inspection Report
- Sec. 11.3 Welders' Credentials
- Sec. 11.4 Inspection of Welded Joints
- Sec. 11.5 Number and Location of Radiographs for Butt Weld Joints in Tank Shells,
Load-Bearing Risers, and Single-Pedestal Columns
- Sec. 11.6 Procedures for Inspection of Welded-Shell Butt Joints-Radiographic
Testing
- Table 23 Maximum height of weld reinforcement of weld for butt joints above plate surface
- 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
- Sec. 11.10 Testing
- SECTION 12: FOUNDATION DESIGN [Go to Page]
- Sec. 12.1 General Requirements
- Sec. 12.2 Soil-Bearing Value
- Sec. 12.3 Safety Factors
- Sec. 12.4 Foundations for Cross-Braced Multicolumn Tanks
- Sec. 12.5 Foundations for Single-Pedestal Tanks
- Sec. 12.6 Foundations for Ground-Supported Flat-Bottom Tanks
- Sec. 12.7 Detail Design of Foundations
- Sec. 12.8 Concrete Design, Materials, and Construction
- Sec. 12.9 Backfill
- SECTION 13: SEISMIC DESIGN OF WATER
STORAGE TANKS [Go to Page]
- Sec. 13.1 General
- Sec. 13.2 Design Earthquake Ground Motion
- Table 24 Seismic importance factor
- Table 25 Site Class definitions
- Table 26 Short-period site coefficient
- Table 27 Long-period site coefficient
- Table 28 Response modification factors
- Sec. 13.3 Cross-Braced, Column-Supported Elevated Tanks
- Sec. 13.4 Pedestal-Type Elevated Tanks
- Sec. 13.5 Ground-Supported Flat-Bottom Tanks
- Table 29 Minimum freeboard requirements
- Sec. 13.6 Piping Connections
- Sec. 13.7 Foundation Design for Ground-Supported Flat-Bottom Tanks
- Table 30 Minimum design displacements for piping attachments
- Sec. 13.8 Equivalent Metric Equations
- SECTION 14: ALTERNATIVE DESIGN BASIS FOR
STANDPIPES AND RESERVOIRS [Go to Page]
- Sec. 14.1 Alternative Design Basis
- Sec. 14.2 Materials
- Table 31 Category 1 material requirements for shell plates in contact with water to be used for design
metal temperature tabulated
- Table 32 Category 2 materials
- Table 33 Category 3 materials
- Sec. 14.3 General Design
- Table 34 Maximum design tensile stresses in shell plates in contact with water
- Table 35 Minimum thickness of bottom annulus
- Sec. 14.4 Inspection
- Sec. 14.5 Certification of Compliance
- SECTION 15: STRUCTURALLY SUPPORTED
ALUMINUM DOME ROOFS [Go to Page]
- Sec. 15.1 General
- Sec. 15.2 Definition
- Sec. 15.3 Design Requirements
- Sec. 15.4 Materials
- Sec. 15.5 Allowable Stresses
- Table 36 Bolts and fasteners
- Sec. 15.6 Design
- Sec. 15.7 Roof Attachment Details
- Sec. 15.8 Physical Characteristics
- Sec. 15.9 Testing and Sealing
- Sec. 15.10 Fabrication and Erection
- Sec. 15.11 Coatings
- Sec. 15.12 Equivalent Metric Equations
- APPENDIX A Commentary for Welded Carbon Steel Tanks for Water Storage
[Go to Page]
- SECTION A.1: GENERAL (Refer to Sec. 1 of
ANSI/AWWA D100.) [Go to Page]
- Sec. A.1.1 Scope
- Sec. A.1.4 References
- SECTION A.3: GENERAL DESIGN (Refer to Sec. 3 of
ANSI/AWWA D100.) [Go to Page]
- Sec. A.3.1 Design Loads
- Sec. A.3.2 Unit Stresses
- Sec. A.3.4 Column, Strut, and Shell Stability Formulas
- Sec. A.3.6 Roofs
- Sec. A.3.8 Anchorage
- Sec. A.3.9 Corrosion Allowance and Protection
- 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.) [Go to Page]
- Sec. A.4.4 Cross-Braced, Multicolumn Elevated Tanks
- Sec. A.4.5 Tank Plates
- SECTION A.5: ACCESSORIES FOR ELEVATED TANKS
(Refer to Sec. 5 of ANSI/AWWA D100.) [Go to Page]
- Sec. A.5.1 Steel Riser
- Sec. A.5.3 Overflow
- Sec. A.5.4 Access
- Sec. A.5.5 Vent
- Sec. A.5.6 Antennas and Related Equipment
- Sec. A.5.7 Galvanic Corrosion
- SECTION A.7: ACCESSORIES FOR GROUND-
SUPPORTED STANDPIPES AND RESERVOIRS
(Refer to Sec. 7 of ANSI/AWWA D100.) [Go to Page]
- Sec. A.7.2 Pipe Connections
- Sec. A.7.3 Overflow
- 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.) [Go to Page]
- Sec. A.8.2 Qualification of Welding Procedures, Welders, and Welding Operators
- Sec. A.8.3 Weld Joint Records
- 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.) [Go to Page]
- Sec. A.9.4 Rolling
- SECTION A.10: ERECTION (Refer to Sec. 10 of ANSI/
AWWA D100.) [Go to Page]
- Sec. A.10.1 Welds
- Sec. A.10.4 Low-Hydrogen Electrodes and Welding Processes
- Sec. A.10.6 Tank Assembly
- SECTION A.11: INSPECTION AND TESTING (Refer to
Sec. 11 of ANSI/AWWA D100.) [Go to Page]
- Sec. A.11.2 Inspection Report
- Sec. A.11.4 Inspection of Welded Joints
- Sec. A.11.10 Testing
- SECTION A.12: FOUNDATION DESIGN (Refer to
Sec. 12 of ANSI/AWWA D100.) [Go to Page]
- Sec. A.12.1 General Requirements
- 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.) [Go to Page]
- Sec. A.13.1 General
- Sec. A.13.2 Design Earthquake Ground Motion
- Table A.1 Seismic Use Group
- Sec. A.13.3 Cross-Braced, Column-Supported Elevated Tanks
- Sec. A.13.4 Pedestal-Type Elevated Tanks
- Sec. A.13.5 Ground-Supported Flat-Bottom Tanks
- Sec. A.13.6 Piping Connections
- SECTION A.14: ALTERNATIVE DESIGN BASIS FOR
STANDPIPES AND RESERVOIRS (Refer to Sec. 14
of ANSI/AWWA D100.) [Go to Page]
- Sec. A.14.1 Alternative Design Basis
- Sec. A.14.2 Materials
- Sec. A.14.3 General Design
- APPENDIX B Default Checklist
[Go to Page]