STORM DRAINAGE
PRE-APPROVED PLANS

All details generated by the City of Kirkland's Public Works Department are representations of existing conditions. Discrepancies may occur and feedback is welcome, as we are always trying to improve the quality of our details. The Plans on the City's web page are Pre-Approved Plans. Please check with the Public Works Department to see if they are applicable to your project at this time.

Storm Drainage Plan Notes (Adobe PDF File)

View Policies

D-1, Stenciling of Catch Basins for Pollution Control

D-2, Small Project Drainage Review Requirements

D-3, Targeted & Full Drainage Review Requirements

D-4, Prohibited & Allowed Discharges to the Storm Drainage System

D-5, Required Storm Extension Prior to Connection

D-6, Drainage Ditch Fill In

D-7, Declaration of SW Facility Maintenance

D-8, SW Cartridge Facility Maintenance Agreement

D-9, SW Pump System Requirements

D-10, Addendum to the 2009 King County Surface Water Design Manual

D-11, Surface Water Adjustment Process

D-12, CSWPPP

View Plans

The following details were created and are maintained in AutoCAD. They are presented here in .pdf format (Adobe Acrobat) for viewing and in .wmf format and can be inserted into AutoCAD documents.

Plan name	View (pdf)	Download (wmf)
Typical Utility Locations Last Updated: 4/08	CK-D-01	CK-D-01
Storm Trench Detail Last Updated: 1/11	CK-D-02	CK-D-02
Field-Tapping of Concrete Pipe Last Updated: 4/08	CK-D-03	CK-D-03
Coupling Bands for Corrugated Metal Pipe Last Updated: 4/08	CK-D-04	CK-D-04
Yard Drain Last Updated: 4/08	CK-D-05	CK-D-05
Catch Basin Type 40 for Private Systems Last Updated: 4/08	CK-D-05A	CK-D-05A
Curb Inlet Last Updated: 4/08	CK-D-06	CK-D-06
Catch Basin Type 1 Last Updated: 4/08	CK-D-07	CK-D-07
Catch Basin Type 1-L Last Updated 4/08	CK-D-08	CK-D-08
Catch Basin type 2 48", 54", 60", 72", & 96" Last Updated: 4/08	CK-D-09	CK-D-09
Type II Catch Basin w/Oil Separator Flow Restrictor Updated: 4/08	CK-D-10	CK-D-10
Manhole / CB Frame and Grate Adjustment Last Updated: 4/08	CK-D-11	CK-D-11
Catch Basin Inlet, Precast Cover & Extension units Updated: 4/08	CK-D-12	CK-D-12
Cast Iron Inlet Frame & Grate Last Updated: 4/08	CK-D-13	CK-D-13
Vaned Grate for Catch Basin 7 Inlet Last Updated: 4/08	CK-D-14	CK-D-14
Open Curb Face Frame & Grate Details Last Updated: 4/08	CK-D-15	CK-D-15
Through-Curb Inlet Frame & Grate with Vertical Curb Installation Last Updated: 4/08	CK-D-16	CK-D-16
Standard Frame with Curb Installation Last Updated: 4/08	CK-D-16A	CK-D-16A
Solid Cover Last Updated: 4/08	CK-D-17	CK-D-17
24" Manhole Frame with Cover Last Updated: 4/08	CK-D-18	CK-D-18
24" Manhole Frame with Locking Cover Last Updated 3/09	CK-D-18A	CK-D-18A
Residential Sidewalk Drain Last Updated: 1/11	CK-D-19	CK-D-19
Roll Curb Roof Drain Outlet Last Updated: 4/08	CK-D-19A	CK-D-19A
Channel Drain Installation Last Updated: 3/10	CK-D-19B	CK-D-19B
Lot Drain Connections Last Updated: 4/08	CK-D-20	CK-D-20
Drop Conveyance Drain Last Updated: 3/10	CK-D-20A	CK-D-20A
Roof downspout Infiltration Trench Last Updated: 1/11	CK-D-22	CK-D-22
Infiltration Trench Notes Last Updated: 4/08	CK-D-22A	CK-D-22A
Typical Drywell Infiltration system Last Updated: 4/08	CK-D-22B	CK-D-22B
Infiltration Trench Drywell Notes Last Updated: 4/08	CK-D-22C	CK-D-22C
Infiltration System Testing Procedure Opt 1 Last Updated: 3/10	CK-D-22D	CK-D-22D
Infiltration System Testing Procedure Opt 2 Last Updated: 3/10	CK-D-22E	CK-D-22E
Dispersal Trench Details Last Updated: 4/08	CK-D-23	CK-D-23
Rock-Lined Shoulder Ditches Last Updated: 4/08	CK-D-24	CK-D-24
Grass-Lined Swale Last Updated: 4/08	CK-D-25	CK-D-25
Swale Seed Mix for CK-D-25 Last Updated: 4/08	CK-D-25A	CK-D-25A
Gradient Terrace Cross Section Last Updated: 4/08	CK-D-26	CK-D-26
Typical Debris Barrier Last Updated: 4/08	CK-D-27	CK-D-27
Debris Cage Last Updated: 4/08	CK-D-28	CK-D-28
Energy Dissipator Last Updated: 4/08	CK-D-29	CK-D-29
Beveled End Pipe Section Last Updated: 4/08	CK-D-30	CK-D-30
Typical Headwall Detail Last Updated: 4/08	CK-D-31	CK-D-31
Corrugated Metal Manhole Last Updated: 4/08	CK-D-32	CK-D-32
Detention Structure End Plate Detail Last Updated: 4/08	CK-D-33	CK-D-33
Detention Tank Last Updated: 4/08	CK-D-34	CK-D-34
Detention Vault Last Updated: 4/08	CK-D-35	CK-D-35
48" Vault Access	CK-D-35A	CK-D-35A
Wet Vault Last Updated: 1/11	CK-D-36	CK-D-36
Utility Access Road Cross-Section Last Updated: 4/08	CK-D-37	CK-D-37
Detention Pond Last Updated: 4/08	CK-D-38	CK-D-38
Typical Debris Barrier for Detention Ponds Last Updated 4/08	CK-D-38A	CK-D-38A
Perforated Tight Line Connection Last Updated: 4/08	CK-D-39	CK-D-39
*Please note:* The wmf files highlighted in light blue are not available at this time. Please contact us at 425.587.3800 for assistance with these files.

If, for any reason, this web page does not meet your needs for geographic information or Pre-Approved Plans, these items are also available through the Public Works Department.
Please call (425) 587-3800 for more information.
If you have any questions on the Pre-Approved Plans or geographic information, please send email to pwmaps@kirklandwa.gov

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STORM DRAINAGE PRE-APPROVED PLANS

STORM DRAINAGE
PRE-APPROVED PLANS