1. Design Manual Update City of Tacoma Public Meeting April 10, 2014 Jim Parvey, P.E., LEED AP City of Tacoma Senior Principal Engineer

2.  Manual last updated in 2004.  Changes in Surface Water Regulation require manual to be reviewed and updated as needed.  Opportunity to update other sections of manual. Need For Update

3. NPDES LID Code Revision Public Meeting April 10, 2014 Merita Trohimovich, P.E. City of Tacoma Surface Water Engineer

4. The intent of the code revisions shall be to make LID the preferred and commonly-used approach to site development. Revisions shall be designed to:  minimize impervious surfaces,  minimize native vegetation loss, and  minimize stormwater runoff in all types of development situations. S5.C.5 b LID Code-related Requirements

5. Direct Approach: All projects shall complete LID feasibility analysis and implement to maximum extent feasible. Tacoma’s Proposed Approach:  Remove barriers;  Make equivalent guidance;  Add incentives;  Provide equivalent manual; and  Lead by example. LID Code Updates Approach

6. Code Update Process Guidance

7.  Reviewing all development codes, regulatory and guidance documents  Partnering with planning department using existing process for code adoption  Using Standards Committee existing process to update Public Works Design Manual  Creating internal work groups  Public outreach Tacoma’s Process

8.  Process and schedule developed  Staff, manager, supervisor education  Team on board  Team educated  Beginning public education  Beginning actual work of code review and revision Work to Date

9. What is needed to implement LID?  Additional training and technical support  Additional details and pre-engineered sizing  Site assessment and design guidance  Guidance for minimizing impervious surfaces  Tree retention and protection specifications  Methods for retaining native vegetation  Soil testing assistance  Training workshops  Online information LID Design Needs

10. What would help you choose LID over traditional stormwater options?  Faster permit review  Reduction of permit fees  Allowance to modify design elements (additional height, ability to decrease setbacks, lower parking requirements, less landscaping)  Reduction in surface water fees  Training and Education  Other? Choosing LID

11. Merita Trohimovich City of Tacoma Surface Water Group 253-502-2103 mtrohimo@cityoftacoma.org Contact me for suggestions, questions and to get involved. Contact Information