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Engineering & Construction
The Public Works Director oversees the Engineering and Construction Division and is responsible for providing technical support to all city departments and for design of all capital and development projects associated with new and existing infrastructure.
In addition, the Engineering and Construction Division employs a Development Inspector, who is responsible for inspection of all construction activities associated with new and existing infrastructure.
Engineering Standards Documents
- 2024 Ridgefield Engineering Standards - Volume 1 - Compendium of Technical Changes June 2025 (PDF)
- 2024 Ridgefield Engineering Standards - Volume 2 - Compendium of Technical Changes June 2025 (PDF)
- 2025 Engineering Standards Volume 3 (PDF)
- Appendix A - 2024 Engineering Standard Details - Compendium of Technical Changes June 2025 (PDF)
- Appendix B - 2024 Construction Checklists - Compendium of Technical Changes June 2025 (PDF)
- Appendix C - 2024 Special Details - Compendium of Technical Changes June 2025 (PDF)
- 2025 Engineering Standards Volume 3 Design Specifications (PDF)
Previous Versions
- 2024 Engineering Standards Volume 1 (PDF)
- 2024 Engineering Standards Volume 2 (PDF)
- 2025 Engineering Standards Volume 3 (PDF)
- Appendix A - 2024 Engineering Standard Details (PDF)
- Appendix B - 2024 Construction Checklists (PDF)
- Appendix C - 2024 Special Details (PDF)
- 2017 Engineering Standards Volume 1 (PDF)
- 2017 Engineering Standards Volume 2 (PDF)
- 2017 Engineering Standard Details (PDF)
These references support Engineering Standards, Volume 3 for Parks, Trails and Open Space.
- 2025 Engineering Standards - Volume 3 (PDF) - The City's adopted standards for parks, trials and open space. Guiding document for all submittals, design review and inspections in this category.
- Ridgefield Trail Standard Matrix (PDF)- Trail classifications, widths, surfaces, clearances, and furnishings summarized for quick reference.
- Ridgefield Comprehensive Parks and Recreation Plan (PDF) - Policy framework linking park development to long-range goals and land use planning.
- Ridgefield Parks, Recreation and Open Space (PROS) Plan (PDF) - System plan establishing level-of-service targets, priorities, and implementation strategy.
- USFS Standard Trail Plans & Specifications (PDF) - Structural standards for small trail bridges and crossings.
- USFS Standard Trail Bridge Plans and Specifications (PDF) - Structural standards for small trail bridges and crossings.
- ADA Standards for Accessible Design (2010) (PDF) - Federal requirements for accessible routes, site amenities, and facilities.
- USFS Outdoor Recreation Accessibility Guidelines (FSORAG) (PDF) - Accessibility guidance for outdoor recreation areas not fully addressed in ADA.
- USFS Trail Accessibility Guidelines (FSTAG) (PDF) - Accessibility provisions for pedestrian trails including grade, cross-slope, and passing spaces.
- WSDOT Design Manual, Chapter 1515 (Shared-Use Paths) (PDF) - State design criteria for shared-use and multimodal paths.
- USFS Trail Design Parameters (FSH 2309.18, Sec. 23.11) (PDF) - Managed Use and Trail Class parameters for widths, design speeds, sight distances, and clearances.
- CPSC Public Playground Safety Handbook (PDF) - Guidance for playground layout, equipment spacing, and surfacing per CPSI standards.
- City of Ridgefield Style Guide - City branding standards for fonts, colors and logo use.
- Ridgefield Parks & Recreation Graphic Identity & Sign Guidelines - Application of the City brand to park and trail signage, wayfinding, and interpretive elements.
Recommended Guides and Resources
Helpful for design and planning, these are not required standards.
- NRPA: Principles of Inclusive Playground Design - Framework for inclusive play value and integrated design.
- Playground Audit Guide (ASTM/CPSC) (PDF) - Field audit and compliance reference for CPSI inspections.
- USFS Trail Management Toolbox - Practitioner resources on planning, construction, and maintenance.
- USFS Trail Management Basics – Primer on trail fundamentals for design notes and contractor orientation.
- ADA Standards (online reference) - Current federal posting of the 2010 ADA technical standards.
Last updated: October 16, 2025