This chapter sets forth the minimum surface water management requirements for the City of University Place. Surface water management includes the design, construction, operation and maintenance of storm drainage and erosion control facilities and practices.
(Ord. 395 § 3, 2003; Ord. 518 § 1, 2008)
Chapter 9.04 and Section 16.82.100 of the King County Municipal Code are hereby adopted and incorporated herein fully by this reference with the exceptions enumerated below.
A. 
All references within these codes to King County or County shall be construed to be the City of University Place.
B. 
All references to King County Departments shall be construed to be the City of University Place Engineering Department.
C. 
Section 9.04.020.Z.3 is hereby revised to read:
Has a project site of fifty acres or more within a critical aquifer recharge area, as defined in UPMC Chapter 17.20.
D. 
Section 9.04.020.VV is hereby revised to read:
“Surface Water Design Manual” means the manual, and supporting documentation referenced or incorporated in the manual, describing surface and storm water design and analysis requirements, procedures and guidance that has been formally adopted in UPMC § 13.05.320.
E. 
Section 9.04.030(4) is hereby revised to read:
Contains or is adjacent to a flood hazard area as defined in UPMC Chapter 17.30.
F. 
Section 9.04.050(A)(7) is hereby revised to read:
Financial guarantees and liability. All drainage facilities constructed or modified for projects, except downspout infiltration and dispersion systems for single family residential lots, must comply with the liability requirements of K.C.C. 9.04.100 and the financial guarantee requirements of UPMC Chapter 13.05 Article VI.
G. 
Section 9.04.050(C)(4) is hereby revised to read:
A request for an adjustment shall be processed in accordance with the procedures specified in the Surface Water Design Manual and UPMC Chapter 13.05.
H. 
Section 9.04.050(D) is hereby revised to read:
The drainage review requirements in this section and in the Surface Water Design Manual may be modified or waived under the procedures in UPMC Chapter 13.05.
I. 
Section 9.04.095 is hereby revised to read:
Vesting period for lots in final short plats. Unless the department finds that a change in conditions creates a serious threat to the public health or safety in the short subdivision, for a period of five years after recording, a lot within a short subdivision shall be governed by the provisions of this chapter in effect at the time a fully completed application for short subdivision approval was filed in accordance with UPMC Chapter 22.05.
J. 
The last sentence of Section 9.04.100 is hereby revised to read:
If this liability insurance is not kept in effect as required, University Place may initiate enforcement action pursuant to Chapter 1.20 UPMC and/or Chapter 1.30 UPMC at the City’s discretion.
K. 
Section 9.04.140(A)(1) is hereby revised to read:
The director is authorized to promulgate and adopt administrative rules under the procedures specified in UPMC Chapter 13.05 for the purpose of implementing and enforcing the provisions of this chapter.
L. 
Section 9.04.196 is hereby deleted.
M. 
Section 16.82.100(A)(2) is hereby revised to read:
All disturbed areas including faces of cuts and fill slopes shall be prepared and maintained to control erosion in compliance with UPMC Chapter 13.25 Article III.
(Ord. 555 § 1, 2009; Ord. 688 § 1 (Exh. E), 2017)
A. 
The King County Surface Water Design Manual (KCSWDM) and the King County Stormwater Pollution Prevention Manual and the portions of the King County Road Standards referenced therein are hereby adopted and incorporated fully into this chapter by this reference. The King County Surface Water Design Manual sets forth the drainage and erosion control requirements as supplemented herein. In these documents, all references to King County or the County shall be construed to refer to the City of University Place; all references to the King County Department of Development and Environmental Services (DDES) or the Water and Land Resources Division of the King County Department of Natural Resources (WLR) shall be hereby revised to read the City of University Place Engineering Department or such other department as the City Manager may designate to enforce this chapter.
B. 
The design standards shall be applied in the following hierarchy of precedence:
1. 
University Place Municipal Code;
2. 
King County Surface Water Design Manual;
3. 
King County Stormwater Pollution Prevention Manual;
4. 
King County Road Standards;
5. 
Washington State Department of Transportation (WSDOT) Standard Specifications for Road, Bridge, and Municipal Construction;
6. 
WSDOT Design Manual;
7. 
WSDOT Construction Manual.
C. 
The term “critical drainage area” in the King County Surface Water Design Manual shall have the meaning of “critical area” as defined in Chapter 13.05 UPMC, Article II, and classified in UPMC Title 17.
D. 
The term “landslide hazard drainage area” in the King County Surface Water Design Manual shall have the meaning of “landslide and erosion hazard area” as defined in Chapter 13.05 UPMC, Article II, and classified in UPMC Title 17.
E. 
A site development permit is added to the permits and approvals listed in Section 1.1.1 of the King County Surface Water Design Manual.
F. 
Core Requirement No. 3, “Impervious Surface Performance Exemption,” of the KCSWPM is deleted and not in effect.
G. 
Core Requirement No. 5 provision for the allowance for projects in the residential zone that result in no more than four percent total impervious surface and no more than 15 percent pervious surface is deleted and not in effect.
H. 
Soil equality and depth criteria located in reference Section 4-A of the KCSWPM are hereby specifically adopted by reference as the sole criteria.
I. 
King County's approved method for modeling impervious area for rain garden credits in the KCSWDM is hereby specifically adopted by reference as the method for determining credits for Treatment under Minimum Requirement No. 6.
J. 
Department of Ecology Stormwater Manual Wetlands Provisions Adopted. Minimum Requirement No. 8 of Appendix 1 of the Washington State Department of Ecology Stormwater Manual and Ecology's Guide Sheets 1B and 2B are hereby adopted and incorporated herein fully by this reference.
K. 
The Washington State Department of Ecology Stormwater Management Manual for Western Washington is accepted as an alternative design standard to the King County Surface Water Design Manual.
(Ord. 395 § 3, 2003; Ord. 423 § 40, 2004; Ord. 518 § 1, 2008; Ord. 555 §§ 1, 2, 2009; Ord. 679 § 1 (Exh. A), 2016)