King county 2015 surface water design manual appendix d

An accurate count of washington residents will ensure the fair distribution of political representation and of federal and state resources. Storm water management model users manual version 5. Errata to king countys 2009 surface water design manual and supporting. Seatac, burien, and des moines have adopted this manual, or a locally modified. Code interpretations, electrical code, existing building code, elevator code, energy code, fire code, mechanical code, residential code what is it.

Cfw addendum to the kcswdm page 1 of 29 2162010 addendum to the king county surface water design manual effective date february 16, 2010. Appendix b does not apply to the city of sammamish. Stormwater management manual for western washington. Seattle has adopted the 2015 international building code, with amendments specific to our city. Appendix 10 equivalent programs for runoff controls for. Mmsd safety, surface and stormwater rules and guidance manual. For the purpose of designing flow control bmps, a calibrated continuous simulation hydrologic model, based on the epas hspf, must be used. In addition to the flow control standards within the 2009 king county surface. For the purposes of applying impervious surface thresholds and exemptions contained in the king county surface water design manual, permeable pavement, vegetated roofs, and pervious surfaces with underdrains designed to collect storm water runoff are considered impervious surface while open, uncovered retentiondetention facilities are not. Surface water field sampling manualappendix iii sediment sampling version 5.

Application of the manuals targeted protection levels is determined from the following three application maps of king county. The entire 2016 swdm including chapters 16, appendices a through d, definitions, and reference sections is available for download in adobe acrobat pdf. All of us who have dealt with the evaluation and diagnosis of perturbation to our aquatic resources owe an immeasurable debt of gratitude to dr. Sewrpc rainfall removed, see volume 2, technical procedures appendix g.

Onsite stormwater management infeasibility criteria provides a list of criteria to be. King county recently updated its manual to be consistent. Ecology, based on the 2015 water quality assessment, approved by the u. The adoption of the king county surface water design manual or kcswdm includes the adoption of the grading. 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. King county surface water design manual king county 2016 the cities of. This addendum to the 2009 king county surface water design manual kcswdm applies to development and redevelopment proposals within the city of seatac city. City of sammamish surface water design manual addendum page 1 of 35. Stormwater, grading, and drainage control code title 22.

Surface water management fee data king county, washington. Sanitary sewer ronald waste water 17505 linden ave n shoreline, wa 983 206 5462494 water service shoreline water dept 1519 ne 177 th st shoreline, wa 98155 206 3628100 seattle public utilities 700 5 th ave. Department of ecology stormwater management manual for western washington 2015 international residential code irc 2015 international building code ibc. Chapter 1010 youtube video chapter 1120 youtube video. Seattle dpd city of seattle stormwater manual seattle. Application of the manual s targeted protection levels is determined from the following three application maps of king county. Filtering the sample i filtering should be performed in subdued light as soon as possible after sampling to avoid errors resulting from changes in. The evergreen sustainable development standard esds is a building performance standard required of all affordable housing projects or programs receiving capital funds from the housing trust fund after july 1, 2008.

The kcswdm has been adopted to meet the requirements of the clean water act, the. Washington state department of ecology, stormwater management manual for western washington, 2005. Appendix e additional design requirements and plant lists stormwater manual directors rule 172017dww200 august 2017 ei table of contents e1. Center for watershed protection, ellicott city, maryland. Addendum to the 2016 king county surface water design manual this addendum to the 2016 king county surface water design manual kcswdm applies to. The evergreen sustainable development standard esds was developed in compliance with rcw 39. The seattle building code sbc provides minimum requirements for design and construction of new buildings.

The design manual provides policies, procedures, and methods for developing and documenting the design of improvements to the transportation network in washington. Snohomish county is meeting permit requirements s5. Appendices a, b, c, and d apply to proposals in the city of sammamish. Design manual update information latest design manual revision package. The first site, stone hill estates, is a residential development near ithaca. Surface water field sampling manual appendix ii version 6. City of sammamish surface water design manual addendum city of sammamish surface water design manual addendum page 6 of 35 king county code kcc description sammamish municipal code smc description title 2 administration 20 administrative procedures, environmental policy 21a. Surface water management works to protect and restore our water through protective and. 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. Appendix d surface water and groundwater quality standards.

The king county surface water design manual, dated september 1998january 9, 2009, is hereby adopted for use in the city of kenmore. King county, washington, surface water design manual 2009 surface water design manual appendix d 192009 d3 d. The esds aligns washington states affordable housing investment. 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. Low impact development guideline 2018 port of seattle. Appendix d draft chehalis basin strategy programmatic eis d3 washington state water quality standards surface water quality standards for washington state, provided in table d1, are established by ecology in washington administrative code wac. Policy d10 addendum to the 2016 kcswdm city of kirkland 123 fifth avenue. 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. Environmental protection agency off iice of water program ti operons a office of research and development municipal envi ronmental research laboratory. Drainage design and erosion control manual for olympia.

City equivalents for county agencies unless the context requires otherwise, any reference to county, king county, or county. Modeling climate change impacts on extreme precipitation. It has been developed for state facilities and may not be appropriate for all county roads or city streets that are not state highways. Washington state department of ecology water quality program february 2005 publication no. The king county surface water design manual sets forth the drainage and. For information on king county discharge requirements, contact. The kcswdm has been adopted to meet the requirements of the clean water act, the endangered species act and state growth management act. Addendum to the king county surface water design manual.

City of sammamish surface water design manual addendum to 2016 kcswdm. New development, redevelopment, and construction sites august 1, 2019. Appendix 10 equivalent programs for runoff controls for new. Training on king county surface water design manual. Chapter 5 describes the minimum standards for onsite stormwater management, flow control. Surface water design manual addendum preface how to use this. Pdf npdes phase ii permit, western washington 20192024 pdf. Items with an asterisk are incorporated by reference but not included in this document.

Harkeerat kang gis analyst 201 s jackson st, suite 700 seattle, wa 98104 2062633734 voice firstname. Where the vertical distance between the grade plane and the highest roof surface exceeds 30 feet 9144 mm, approved aerial fire apparatus access roads shall be provided. Section 4 surface water issues supporting information in appendix d. Rapid bioassessment protocols for use in streams and. The main body of the manual consists of 6 chapters available with the table of contents and the definitions section as a 7 mb adobe pdf. Bothell design and construction standards and specifications 2020 update effective january 1, 2020. The water quality design storm volume is the amount of runoff predicted from the 6month, 24hour storm. 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.

Stormwater management program plan city of woodinville. Volume 4appendix a, department of design construction and land use, seattle, washington. Where seeding for temporary erosion control is required, standards set forth in appendix d of the king county surface water design manual shall be used. Our stormwater manuals provide stormwater permit implementation and management.

The stormwater code and manual are in the process of being updated and are scheduled to be effective july of 2021. In addition to developing the precursor to this document in 1989, jim was a driving force within epa to increase the use of biology in the water pollution control program until his untimely death on february 6, 1990. Stormwater manuals washington state department of ecology. The 2016 stormwater code and manual became effective on january 1, 2016. King county appendices not adopted by city of renton are indicated with does not apply in the following list. Construct initial esc measures on site according to the. The plan identifies stormwater runoff amounts, drainage basins, flow paths, and system. The term landslide hazard drainage area in the king county surface water. Stormwater management design examples this chapter presents design examples for two hypothetical development sites in the state of new york. 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. Report 2015 national pollution discharge elimination system annual report. For purposes of this section, the highest roof surface shall be determined by measurement to the eave of a pitched roof, the intersection of the roof to the exterior wall, or. See our updating stormwater regulations page for more information.