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  • Contents
  • Ch 1
  • Ch 2
  • Ch 3
  • Ch 4
  • Ch 5
  • Ch 6
  • Ch 7
  • Appendix

Public Works Department Standards

Contents

INTRODUCTION


This Public Works Standards Manual is established pursuant to City of Sedro-Woolley Ordinances, Resolutions and the Sedro-Woolley Municipal Code, which authorize the Public Works Director / City Engineer to promulgate and adopt administrative standards and specifications to implement and enforce code requirements applicable to surface water drainage facilities, utilities, and right-of-way improvements within the City of Sedro-Woolley.

Accordingly, the guidelines, standards and specifications contained in this manual apply to the engineering and construction of all streets and utilities established and/or improved within the City.

For the complete introduction click on the following link:

INTRODUCTION

CHAPTER 1 - ADMINISTRATION

1.1 - GENERAL

1.2 - DEFINITIONS

1.3 - REQUIREMENTS

1.4 - PERMITS AND APPROVALS

1.5 - HOURS OF CONSTRUCTION

1.6 - CONSTRUCTION SEASON

CHAPTER 2 - GENERAL PUBLIC WORKS REQUIREMENTS

2.1 - RESPONSIBILITY OF OWNER/DEVELOPER

2.2 - FEES

2.3 - BONDING

2.4 - EASEMENTS

2.5 - TRAFFIC CONTROL

2.6 - CALL BEFORE YOU DIG

2.7 - EMERGENCY WORK POLICY FOR PRIVATE UTILITIES

CHAPTER 3 - TRANSPORTATION

3.1 - GENERAL CONSIDERATIONS

3.2 - STREETS

3.3 - SIDEWALKS AND CURBS

3.4 - BIKEWAYS

3.5 - PLANTER STRIP

3.6 - ILLUMINATION

3.7 - SIGNALS

3.8 - ROADSIDE FEATURES

3.9 - PARKING

CHAPTER 4 - STORM DRAINAGE

4.1 - GENERAL REQUIREMENTS AND POLICIES

4.2 - ANALYSIS

4.3 - CONVEYANCE SYSTEMS

4.4 - STORMWATER QUALITY TREATMENT

4.5 - STORMWATER CONTROL REQUIREMENTS

4.6 - TEMPORARY EROSION AND SEDIMENT CONTROL (TESC)

CHAPTER 5 - SANITARY SEWER

5.1 - GENERAL REQUIREMENTS AND POLICIES

5.2 - SANITARY SEWER PLANS

5.3 - SANITARY SEWER CONSTRUCTION

CHAPTER 6 - SOLID WASTE

6.1 - GENERAL REQUIREMENTS AND POLICIES

 

CHAPTER 7 - WATER

7.1 GENERAL REQUIREMENTS AND POLICIES

 

APPENDIX

STANDARD DETAILS

STANDARD NOTES

REVIEW CHECKLISTS

BOND WORKSHEETS

LEGAL DOCUMENTS

FEE SCHEDULE

Standards Manual - Full Version (Chapter 1 - 7)

 

Public Works Department Standards

Chapter 1 - Administration

1.1 - GENERAL

1.2 - DEFINITIONS

1.3 - REQUIREMENTS

1.3.1 - Frontage Improvements in General
1.3.2 - Streets
1.3.3 - Franchise Utilities
1.3.4 - Bikeways and Walkways
1.3.5 - Sidewalks, Planting Strips and Medians
1.3.6 - Sewer and Water
1.3.7 - Stormwater Drainage
1.3.8 - Solid Waste and Recycling
1.3.9 - Modification
1.3.10 - Frontage Improvement Modification
1.3.11 - Reimbursement Areas

1.4 - PERMITS AND APPROVALS

1.4.1 - General
1.4.2 - Development Permits and Approvals
1.4.3 - Environmental Approvals
1.4.4 - Land Use Permits
1.4.5 - Excavation and Grading Permits
1.4.6 - Building Permits
1.4.7 - Subdivisions
1.4.8 - Right-of-Way Permits
1.4.9 - Pre-Construction Meeting
1.4.10 - Project Finalization
1.4.11 - Reimbursement Areas

1.5 - HOURS OF CONSTRUCTION

1.6 - CONSTRUCTION SEASON

Public Works Department Standards

Chapter 2 - General Public Works Requirements

2.1 - RESPONSIBILITY OF OWNER/DEVELOPER

2.1.1 - Standard Specifications
2.1.2 - Shortened Designation
2.1.3 - Applicability
2.1.4 - Design Standards
2.1.5 - Minimum Plan Elements
2.1.6 - Drafting Standards
2.1.7 - Plan Review
2.1.8 - Pre-Construction Meeting
2.1.9 - Construction Control
2.1.10 - Inspection
2.1.11 - Protection of Public and Private Utilities
2.1.12 - Damage to Private Property and Improvements
2.1.13 - Final Inspection
2.1.14 - Final Acceptance
2.1.15 - Maintenance of Work after Acceptance
2.1.16 - Samples and Tests

2.2 - FEES

2.3 - BONDING

2.4 - EASEMENTS

2.5 - TRAFFIC CONTROL

2.6 - CALL BEFORE YOU DIG

2.7 - EMERGENCY WORK POLICY FOR PRIVATE UTILITIES

Public Works Department Standards

Chapter 3 - Transportation

3.1 - GENERAL CONSIDERATIONS

3.2 - STREETS

3.2.1 - General
3.2.2 - Design Standards
3.2.3 - Naming and Numbering
3.2.4 - Signing and Striping
3.2.5 - Right-of-Way
3.2.6 - Private Streets
3.2.7 - Street Frontage Improvements
3.2.8 - Half Street
3.2.9 - Medians
3.2.10 - Intersections
3.2.11 - Street Layout
3.2.12 - Alleys
3.2.13 - Driveways
3.2.14 - Sight Obstructions
3.2.15 - Surfacing Requirements
3.2.16 - Road and Sidewalk Cuts
3.2.17 - Trench Backfill and Restoration

3.3 - SIDEWALKS AND CURBS

3.3.1 - Design Standards
3.3.2 - Sidewalks
3.3.3 - Curb
3.3.4 - Curb Access Ramps
3.3.5 - Staking
3.3.6 - Testing

3.4 - BIKEWAYS

3.4.1 - Design Standards

3.5 - PLANTER STRIP

3.5.1 - Street Trees

3.6 - ILLUMINATION

3.6.1 - General
3.6.2 - Design Standards
3.6.3 - Staking
3.6.4 - Testing

3.7 - SIGNALS

3.7.1 - General
3.7.2 - Design Standards
3.7.3 - Induction Loops
3.7.4 - Staking
3.7.5 - Testing
3.7.6 - Check-Out Procedure

3.8 - ROADSIDE FEATURES

3.8.1 - General
3.8.2 - Design Standards
3.8.3 - Staking
3.8.4 - Testing
3.8.5 - Survey Monuments
3.8.6 - Bus Shelter and Amenities
3.8.7 - Mailboxes
3.8.8 - Guardrails
3.8.9 - Retaining Walls
3.8.10 - Parking Lots
3.8.11 - Transportation Impact Study and Mitigation
3.8.12 - Roadside Obstacles

3.9 - PARKING

3.9.1 - General

Public Works Department Standards

Chapter 4 - Storm Drainage

4.1 - GENERAL REQUIREMENTS AND POLICIES

4.1.1 - Drainage Review

4.2 - ANALYSIS

4.2.1 - Stormwater and Design Report (SDR)
4.2.2 - Downstream Analysis

4.3 - CONVEYANCE SYSTEMS

4.3.1 - Pipe Specifications
4.3.2 - Catch Basins
4.3.3 - Bridges

4.4 - STORMWATER QUALITY TREATMENT

4.4.1 - Storm Water Facilities within Wetlands, Streams
and Associated Buffers
4.4.2 - Water Quality Improvements for Redevelopment Projects
4.4.3 - Timing of Installation
4.4.4 - Requirements for Incremental Construction
4.4.5 - Extent of Improvements Under Incremental Construction
4.4.6 - Approval of Underground Water Quality Facilities
4.4.7 - Bioswale Construction
4.4.8 - Bioretention (Rain Gardens)

4.5 - STORMWATER CONTROL REQUIREMENTS

4.5.1 - Retention/Detention (R/D) Facility Design
4.5.2 - Existing Conditions
4.5.3 - Approval of Underground Detention Facilities

4.6 - TEMPORARY EROSION AND SEDIMENT CONTROL (TESC)

4.6.1 - TESC Plan

Public Works Department Standards

Chapter 5 - Sanitary Sewer

5.1 - GENERAL REQUIREMENTS AND POLICIES

5.1.1 - Sanitary Sewer Requirements
5.1.2 - Gas Stations
5.1.3 - Septic System Decommissioning
5.1.4 - On-Site Septic Systems

5.2 - SANITARY SEWER PLANS

5.2.1 - Sanitary Sewer Plan Requirements
5.2.2 - Certified As-Built Plans

5.3 - SANITARY SEWER CONSTRUCTION

SUPPLEMENT - SEWAGE LIFT STATIONS

Public Works Department Standards

Chapter 6 - Solid Waste

6.1 - GENERAL REQUIREMENTS AND POLICIES

6.1.1 - Solid Waste Enclosure Standards

Public Works Department Standards

Chapter 7 - Water

7.1 GENERAL REQUIREMENTS AND POLICIES

7.1.1 - Water Plan Set Standards
7.1.2 - Fire Hydrant Requirements

Public Works Department Standards

Appendix

STANDARD DETAILS

Chapter 3 - Transportation
3-1 RESERVED 3-17B Standard Arterial Street Trench Repair
3-2A Street Section - A
(Under Construction)		 3-17C Standard Local Acess Street Trench Repair

3-2B Street Section - B
(Under Construction)

3-17D Steet Restoration Detail and Pavement Patching
3-2C Street Section - C
(Under Construction)		 3-18 Raised Pavement Marker (RPM) Detail
3-2D Street Section - D 3-18A Raised Pavement Marker (RPM)
3-2E Street Section - E 3-19 Striping and Raised Pavement Markers (RPM)
3-2F Street Section - F 3-19A Pavement Marking Details - Turn Lane
3-2G Street Section - G 3-20 Pavement Markings
3-2H Street Section - H 3-20 Pavement Markings - Symbols
3-2I Street Section - I 3-22 Rock Facing Cut Section
3-2J Street Section - J 3-23 Rock Facing Fill Section
3-2K Street Section - K 3-24 Rock Facing Under Sidewalk
3-2L Street Section -L 3-25 Concrete Steps & Metal Handrail
3-2M Street Section - M 3-26 Speed Hump
3-2N Street Section - N 3-27 Raised Crosswalk
3-2O Street Section - O 3-28 Speed Table
3-2P Street Section - P 3-29 Street Tree Planting for Planter Strip
3-2Q Street Section - Q 3-30 CBD Street Tree and Street Light Layout
3-2R Street Section - R 3-30A Street Tree and Street Light Layout
(Under Construction)
3-2S Street Section - S 3-31 Street Tree Planting for CDB Tree Wells
3-2T Street Section - T 3-32 CBD Festival Outlet
3-2U Street Section - U 3-33 Street Tree Standards (Outside CBD)
3-2V Street Section - V 3-34 Mailbox Mounting Curb Type Location
3-2W Street Section - W 3-35 Bollards
3-2X Street Section - X 3-36 Roadway Survey Monument
3-2Z Cul-de-Sac - Z 3-37 Off-Roadway Survey Monument
3-3 Curb & Sidewalk Joints 3-38 Street Light Standards Outside CDB
3-4 Curb Details 3-39 Luminaire Pole
3-5 Shoulder & Ditch Section Driveway 3-40 Uniform Luminaire Wiring Detail
3-6 Curb & Gutter Section Driveway 3-41 Illumination System Service Detail
3-7 Reverse Slope Driveway 3-42 Street Light Standards within CBD
3-8 Curb Ramp w/5' Sidewalk 3-43 CBD Decorative Luminaire Standard & Base
3-8A Curb Ramp w/Sidewalk & Planter 3-44 Loop Schematic
3-9 RESERVED 3-45 Service/Signal Cabinet
3-10 Curb Ramp 3-46 Fire Access Turnaround Detail
3-11 Curb Ramp Verticle Curb 3-47 Standard Utilities Location Schematic
3-12 Sidewalks 3-48 Street Tree List
(Under Construction)
3-13 Clearance of Roadside Obstacles 3-49 Street Name Signs
3-14 Intersection Landing 3-50 Street Sign Installation
3-15 Barricades 3-51 Sign Post
3-16 Temporary Cul-De-Sac 3-52 Traffic sign Positioning Detail

3-17A Repair Trench Outside of Paved Surface

 3-53 Standard Location for Stop and Yield Signs
Chapter 4 - Storm Drainage
4-1 Catch Basin, TypeI
(Under Construction)		 4-22A Temporary Sediment Pond (A)
4-2 Catch Basin, Type I-L
(Under Construction)		 4-22B Temporary Sediment Pond (B)
4-3 Catch Basin, Type II (48"-96") 4-23 Temporary Interceptor Swale

4-4 Catch Basin Details
(Under Construction)

4-24 Interceptor Drain
4-5 Standard Gate 4-25 Rock Check Dam
4-6 Standard Frame with Vertical or Extruded Curb Installation 4-26 Temporary Level Speader
4-7 Solid Cover 4-27 Catch Basin/Inlet Protection
4-8 Through Curb Inlet Frame 4-28 Temporary Sediment Trap
4-9 Through Curb Inlet Frame and Grate with Vertical Curb Installation 4-29 Detention Pond
4-10 Vaned Grate 4-30 Detention Pipe (Tank)
4-11 Rolled Curb Frame and Grate 4-31 Dentention Vault
4-12 Locking Manhole Cover 4-32 Wet Vault
4-13 Locking Manhole Frame 4-33 Roof Downspout Infiltration Trench
4-14 Flow Restrictor/Oil Pollution Control Device (Frop-T) 4-34 Roof Infiltration - Dry Well
4-15 Frop-T Shear Grate Detail 4-35 Dispersal Trench Detail
4-16 Debris Cage 4-36 Perforated Stub Out Connection
(Under Construction)
4-17 Clean Out 4-37 Typical Utility Locations
4-18 Conversion Riser Type 1-L Catch Basin 4-38 Storm Sewer Trench Detail
4-19 Temporary Construction Exit - Single Family 4-38A Joint Occupancy Trenches in Residential Plats
4-20 Temporary Construction Exit - Plat/Commercial 4-39 Yard Drain
4-21 Silt Fence 4-40 Grade Adjustment Risers for Manhole
Capter 5 - Sanitary Sewer
5-1 Sanitary Sewer Trench Detail 5-7 Miscellaneous Manhole Details
5-2 Sanitary Sewer Manhole Detail 5-8 Sanitary Sewer Service and Cleanout Detail
5-3 Large Sanitry Sewer Manhole 5-9A Grease Interceptor Sample Detail 1
5-4 Sanitary Sewer Manhole Section 5-9B Gease Interceptor Sample Detail 2
5-5 Shallow Sanitary Sewer Manhole Detail 5-9C Gease Interceptor Notes
5-6 Drop Manhole Detail  
Chapter 6 - Solid Waste
   
   
   
   
   
   
Chapter 7 - Water
   
   
   
   
   
   

STANDARD NOTES

General Notes
Roadway Notes
Drainage Notes
Sewer Notes
Erosion/Sedimentation Control Notes
Sample Construction Sequence

DEVELOPMENT REVIEW

Engineering Review Checklist
Stormwater and Design Report (SDR) Review Checklist
Commercial Land Use Review Checklist
Short Plat Review Checklist
Preliminary Plat Review Checklist
Final Plat Review Checklist
As-Built Review Checklist
Boundary Line Adjustment (BLA) Review Checklist
Internal Boundary Line Elimination (BLE) Review Checklist
Binding Site Plan Review Checklist
Project Construction Checklist
Biofiltration Swale Calculation Worksheets
Pre-Construction Meeting Form
Traffic Impact Study Guidelines

BOND WORKSHEETS

Agreement and Performance/Maintenance Bond
Assignment of Funds in Lieu of Bond
Bond Quantities Price Schedule
Performance Bond Quantities Worksheet
Maintenance Bond Quantities Worksheet

LEGAL DOCUMENTS

Drainage Release Covenant
Declaration of Covenant

FEE SCHEDULE - Effective 10/5/2009

TREES

Recommended Trees 4.2
Tree Planting 4.3

 

Public Works Department Standards

Appendix

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