Contents of Silverton Public Works Design Standards
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Division 1
General Requirements
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1.1
General
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1.2
Purpose
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1.3
Engineering Policy
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1.4
Definitions and Terms
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1.5
Location of Utilities within Right-of-Way or Easement
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1.6
Providing for Future Development
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1.7
Time Limits from Drawing Approval to Construction
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1.8
Phased Development
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1.9
Review Procedure
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1.10
Submittal Requirements
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1.11
Variances to Design Standards
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1.12
Preconstruction Conference
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1.13
Construction Observation, Inspection & Testing
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1.14
As-Built Drawings
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1.1
General
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Division 2
Streets
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2.1
Purpose
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2.2
Applicability
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2.3
Special Items
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2.4
Approval of Alternate Materials and Methods
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2.5
Construction Drawings
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2.6
Standard Details
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2.7
Existing Street Classifications
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2.8
Other Jurisdictions and Ownership
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2.9
Definitions and Terms
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2.10
Materials
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2.11
Improvement Standards by Street Classification
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2.12
Street Design and Minimum Sections
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2.13
Overlays and Inlays
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2.14
Horizontal Alignment
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2.15
Monumentation
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2.16
Intersections & Pedestrian Crossings
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2.17
Vertical Alignment and Street Grades
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2.18
Street Cross Sections and Street Cross Slopes
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2.19
Grading within Public Right-of-Way
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2.20
Curbs and Gutters
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2.21
Sidewalks & Pedestrian Access Routes
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2.22
Clear Vision Area
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2.23
Cul-de-Sacs and Turnarounds
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2.24
Stub Streets
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2.25
Transitions
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2.26
Subsurface Drainage
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2.27
Accessible on-Street Parking
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2.28
Public Parking Lots
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2.29
Driveway Spacing
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2.30
Driveways and Driveway Approaches
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2.31
Private Streets, Common Driveways and Flaglots
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2.32
Street Lighting
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2.33
Barricades and Guardrails
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2.34
Bikeways
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2.35
Street Signs
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2.36
Cutting Existing Streets
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2.1
Purpose
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Division 3
Stormwater Management
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3.1
Purpose
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3.2
Applicability
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3.3
Special Items
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3.4
Approval of Alternate Materials and Methods
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3.5
Construction Drawings
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3.6
Standard Details
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3.7
Definitions and Terms
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3.8
Materials
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3.9
General Design Considerations
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3.10
Design Calculations and Capacity
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3.11
Open Channels
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3.12
Alignment and Location
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3.13
Minimum Pipe Size
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3.14
Minimum Cover
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3.15
Minimum Slope
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3.16
Underground Warning Tape & Tracer Wire
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3.17
Manholes and Catch Basins
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3.18
Detention Facilities
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3.18
Detention Pond Design Requirements
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3.19
Private Storm Drainage Collection Systems
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3.20
Infiltration Systems, Drywells and French Drains
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3.21
Storm Drain Service Laterals
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3.22
Low-Impact Development Integrated Management Practices
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3.1
Purpose
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Division 4
Sanitary Sewer
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4.1
Purpose
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4.2
Applicability
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4.3
Special Facilities
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4.4
Approval of Alternate Materials, Methods, and Facilities
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4.5
Construction Drawings
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4.6
Standard Details
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4.7
Definitions and Terms
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4.8
Materials
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4.9
General Design Considerations
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4.10
Design Period
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4.11
Design Basis & Capacity
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4.12
Minimum Size
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4.13
Minimum Depth
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4.14
Minimum Slope
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4.15
Alignment and Location
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4.16
Manholes and Mainline Cleanouts
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4.17
Work on Existing Sewers
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4.18
Sewer Service Laterals
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4.19
Private Collection Systems
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4.20
Underground Warning Tape & Tracer Wire
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4.1
Purpose
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Division 5
Water Distribution
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5.1
Purpose
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5.2
Applicability
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5.3
Special Items
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5.4
Approval of Alternate Materials and Methods
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5.5
Construction Drawings
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5.6
Standard Details
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5.7
Definitions and Terms
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5.8
Materials
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5.9
General Design Considerations
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5.10
Water System Capacity
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5.11
Looping
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5.12
Blowoffs
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5.13
Minimum Depth
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5.14
Minimum Mainline Size
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5.15
Alignment and Location
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5.16
Valves
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5.17
Fire Hydrants
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5.18
Air Release Valves
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5.19
Water Service Lines
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5.20
Watermeters
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5.21
Private Water Systems
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5.22
Backflow Prevention
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5.23
Underground Warning Tape & Tracer Wire
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5.24
Mainline Bored Crossings
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5.1
Purpose
- Appendix A Standard Detail Drawings
- Appendix B Standard Construction Notes
- Appendix C Utility Companies & Agencies
- Appendix D Standard Easement Form
- Appendix E Certificate of Liability Insurance
- Appendix F Adopting Ordinance & Resolutions
- Appendix G Plan Review, Permit & Construction Requirements & Procedures
- Appendix H Low-Impact Development Integrated Management Practices