PERMIT APPLICATION COMMON
Where on your property are you working?:
The existing T115 Overflow Structure is located near West Marginal Way SW, near the northwest corner of the T115 property. The West Duwamish Interceptor diversion structure will be located near the intersection of West Marginal SW and Highland Park Way SW. The storage facility will be located on an approximately 60,600-square-foot portion of King County Parcel 5367202505. This parcel is bounded by Highland Parkway SW to the south, 2nd Avenue SW to the west, SW Michigan Street to the north, and the 1st Avenue Bridge to the east. See attached figures for a vicinity map of the project area, conceptual plan, and proposed short plat to subdivide Parcel 5367202505. The bubbler tube and conduit will be located along West Marginal Way SW, between Highland Parkway SW to the south and the West Michigan Regulator Station to the north, on King County Parcel 3024049175 in the West Duwamish Greenbelt.
Is work in the right-of-way (street or alley) required?:
Yes
Choose the Primary Property Use:
Commercial
Project Value:
98000000
PERMIT TRACKING COMMON
Review Level:
Full C
Application Completed Date:
02/16/2024
Permit Issued Date:
04/18/2025
FLOATING RESIDENCE INFO
Is this building a Floating Residence?:
No
CONSTRUCTION VALUATION INFO
Intake Value: New:
605135
Intake Value: Alteration:
0
Total Intake Value:
605135
Issue Value: New:
605135
Issue Value: Alteration:
0
Total Issued Value:
605135
INTERDEPARTMENTAL COORDINATION
SDOT Concept Approval:
Yes
SDOT Permit Accepted:
Yes
SDOT SIP PM:
Anderson Arifin
BUILDING CODE INFO
What building code was used for your design?:
2018 SBC
Action Type:
New
Number of Proposed Building Stories:
1
Number of Proposed Below-Grade Building Stories:
0
Number of Mezzanines:
0
Is this a high-rise?:
No
Is a certificate of occupancy required?:
Yes
GROUND DISTURBANCE
Is your development site in an environmentally critical area (ECA)?:
Yes
New and Replaced Hard Surface > 750 sq ft?:
Yes
Are you doing more than 2,000 square feet of earth disturbance?:
Yes
I, the owner or owner’s authorized representative of the property referenced in this submission, give the City of Seattle Department of Planning and Development permission to conduct a Pre-Application Site Visit. I agree that: 1) electronic filing constitutes an authorizing signature; 2) I will inform all tenants of the site visit prior to the inspection being conducted; and 3) if conditions such as uncontrolled dogs or uncooperative tenants hinder the inspector’s ability to conduct the site visit, the site visit will not occur and the site visit fee may be forfeited.:
Yes
Foundation Type:
Other
LAND USE STREET ELEMENTS
Number of Curb Cuts for This Permit:
1
Curb Cut Size and Location:
New 22' curb cut on SW Michigan Street
PARKING
# of Existing Onsite Parking:
0
# of Existing Offsite Parking:
0
# of Existing Accessible Parking:
0
# of Proposed Onsite Parking:
2
# of Proposed Offsite Parking:
0
Offsite Parking Location:
0
# of Proposed Accessible Parking:
0
# of Existing Bicycle Parking Spots:
0
# of Proposed Bicycle Parking Spots:
0
Tenant Relocation Assistance
Residential Unit Occupancy:
No Residential Units on Property
EMERGENCY SYSTEMS
Are Emergency Systems Required for this Project?:
No
MECHANICAL CODE
Does your project include an HVAC mechanical system?:
Yes
MECHANICAL DUCTWORK LOCATION
Is there any equipment inside?:
Yes
Is there any rooftop equipment? :
Yes
ENERGY CODE
Is any portion of the building semi-heated or unheated?:
Yes
Compliance Category:
Commercial
Compliance Path:
Prescriptive
ENERGY EQUIPMENT
Heating Fuel Type Proposed: Residential:
Electric Heat Pump
Heating Fuel Type Proposed: Non-Residential:
Electric Heat Pump
Special Requirements:
C411, C412 required.
DRAINAGE INFORMATION
Drainage Type of Work:
New
Number of New Drainage Connections to the Main:
1
Flow Control Type:
No Control
Flow Control Standard:
None
Treatment Standard Type:
Basic Plus
Basic Plus Type:
Enhance
Discharge Point:
Storm System
Total Disturbed Area:
57675
New Impervious Surface:
0
New Plus Replaced Impervious Surface:
21345
Total Volume Managed by On-Site Stormwater Management (gallons):
598597
Total Area Requiring Soil Amendment:
36330
SANITARY INFORMATION
Sanitary Type of Work:
New
Number of New Sewer Connections to the Main:
2
Number of New Dwelling Units:
0
Reuse Existing Side Sewer System:
No