Information contained in chapter 2 of this volume can then be used to identify sourcecontrol bmps for a given type of pollutant source. The seattle building code sbc provides minimum requirements for design and construction of new buildings. King city district uwmp standardization tables 2010 projection for 2015 2015 actual use. The geotechnical report or soils analysis may be submitted. City of sammamish surface water design manual addendum page 1 of 35. Surface water field sampling manualappendix iii sediment sampling version 5. When water quality fails to meet state w ater quality standards, cwa. Objectives surface waters amendment regulations 2015, including the data and methodology used to derive the environmental quality standard, and the categories of surface water to which it applies. The entire 2016 swdm including chapters 16, appendices a through d, definitions, and reference sections is available for download in adobe acrobat pdf. Surface water management fee data king county, washington. Appendix a maintenance requirements for flow control, conveyance, and wq facilities. Chapter 307 texas surface water quality standards rule project no.
County surface water design manual and the city of kirkland addendum to the 2016 king county surface water design manual constitutes a violation of this chapter, and shall be enforced against the. Infrastructure design and construction standards city of tukwila. Sewrpc rainfall removed, see volume 2, technical procedures appendix g. Items with an asterisk are incorporated by reference but not included in this document. An accurate count of washington residents will ensure the fair distribution of political representation and of federal and state resources. New development, redevelopment, and construction sites august 1, 2019. The water quality design storm volume is the amount of runoff predicted from the 6month, 24hour storm. All of the test pits were excavated and logged prior to conducting the infiltration tests. Appendix d surface water and groundwater quality standards. Appendix a, department of design construction and land use, seattle, washington. King county surface water design manual, current edition. A pervious surface is a surface that allows infiltration through the pavement section. Uwmp standardized tables king city district 2015 urban water management plan appendix h.
Name of agency operating the recycled water distribution system. The infiltration tests were conducted in general accordance with appendix c the 2016 king county surface water design manual kcswm, 2016. Stormwater management design examples this chapter presents design examples for two hypothetical development sites in the state of new york. Stormwater management in western washington access wa. Kitsap county department of community development dcd. In general, regional trails are completely separated from roads by distance or barriers. You can find the stormwater code on the seattle municipal code website. Cfw addendum to the kcswdm page 1 of 29 2162010 addendum to the king county surface water design manual effective date february 16, 2010.
Stormwater management program plan city of woodinville. King county, washington surface water design manual page 1 of 23 introduction this addendum to the 2016 king county, washington surface water design manual kcswdm applies to development and redevelopment proposals within the city of federal way. Massman, joel, a design manual for sizing infiltration ponds, october 2003. For the purpose of designing flow control bmps, a calibrated continuous simulation hydrologic model, based on the epas hspf, must be used.
Pursuant to king county council adoption of ordinance 18257, the department of natural resources and parks adopted a public rule revising the king county surface water design manual swdm. Our stormwater manuals provide stormwater permit implementation and management. Stormwater manuals washington state department of ecology. Pdf npdes phase ii permit, western washington 20192024 pdf. Addendum to the king county surface water design manual.
Allowable pervious surfaces for a lot coverage credit are porous concrete, porous asphalt, permeable pavers, modular grid pavement, and grass modular grid pavement per appendix c. It has been developed for state facilities and may not be appropriate for all county roads or city streets that are not state highways. City of sammamish surface water design manual addendum to 2016 kcswdm page 4 reference section 1, 4a, 4c, 4d, 5, 6, 7a and 8a through 8e, 8i, 11 apply to proposals in the city of sammamish. Section 303d of cwa requires washington to develop a list of waterbodies that do not meet applicable state water quality standards. Surface water management works to protect and restore our water through protective and. Report 2015 national pollution discharge elimination system annual report. Maintenance standards modified appendix a of king county surface water design manual. The evergreen section of the housing trust fund handbook i. No restrictive layers or indications of seasonal high groundwater were encountered in the test pit excavations. Stormwater management manual for western washington. City equivalents for county agencies unless the context requires otherwise, any reference to county, king county, or county. The plan identifies stormwater runoff amounts, drainage basins, flow paths, and system.
The 2016 stormwater code is title 22, subtitle viii of the seattle municipal code smc. The design manual provides policies, procedures, and methods for developing and documenting the design of improvements to the transportation network in washington. The surface water report must follow the guidelines in appendix c of the engineering development manual. Uwmp standardized tables king city district 2015 urban.
King county appendices not adopted by city of renton are indicated with does not apply in the following list. The evergreen sustainable development standard esds was developed in compliance with rcw 39. Surface water field sampling manual appendix ii version 6. The city of sammamish has adopted the 2009 king county surface water design manual 2009 kcswdm in order to be in compliance with its phase ii municipal. Department of ecology stormwater management manual for western washington 2015 international residential code irc 2015 international building code ibc. Harkeerat kang gis analyst 201 s jackson st, suite 700 seattle, wa 98104 2062633734 voice firstname. King county, washington, surface water design manual 2009 surface water design manual appendix d 192009 d3 d.
Regional trails follow the design standards for shared use paths as specified in the city of redmonds bicycle facilitie s design manual guidelines 2016 or latest version. Surface water report two 2 copies are required for any projects proposing 2,000 fs of new and replaced hard surfaces. City of kenmore surface water design manual addendum to 2016 kcswdm december 12, 2016 page 5 king county map or designation city of kenmore map flow control applications map the king county flow control applications map included with the kcswdm shall not be applied in the city of kenmore. This code does not cover regulations for singlefamily houses, duplexes, and townhouses with up to three stories and separate entrances. Appendix b does not apply to the city of sammamish. The first site, stone hill estates, is a residential development near ithaca. The kcswdm has been adopted to meet the requirements of the clean water act, the.
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