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HomeMy WebLinkAbout6. Site Plan Review Narrative-X May 29, 2015 Re: Site Plan Review Application for Seattle Area Pipe Trades  Seattle Area Plumbers and Pipefitters 595 Monster Road SW Renton, WA 98057 Existing property size: 5.53 acres Proposed property size: 5.53 acres + unknown s.f. May be permanent easements on adjacent property or combination of purchase and easements.  Site Plan Review Building Permit Grading and Drainage Permit Site Utilities: Stormwater, water sewer  Medium Industrial (IM)  The site is currently home to the Seattle Area Pipe Trades apprenticeship program and UA Local 32 Plumbers and Pipefitters Union. Seattle Area Pipe Trades is proposing to add an 11,885 s.f. addition to the current 50,540 s.f. building on the south side of the building. This will require relocation of some utilities and expansion of parking to the south of the 5.53 Acre Site. The neighboring property Owner has agreed to sell additional area and/or possibly grant construction and slope easements to allow additional parking to be developed. The new building would be home to the UA Local 32 Union, freeing existing space for additional training area for the Seattle Area Pipe Trades.  Special site features on this property include Floodplain Designated as “AH” with areas that are at or below Elevations 19 FT NGVD that translates to 22.58 FT NAVD. Also, an existing wetland [~2.3 Acres] located in the NW area of the property and away from any work included in this proposal. There is also a small wetland [0.75 Acre] south of the property on adjacent land that will not be impacted by this work. Both wetlands are classified as Category 3 according to the included Wetlands Reports. No work is to be performed within the 25ft buffer of either wetland.  Silty sand and sand per Soils Report  The proposed project would add an additional (unknown at this time) s.f. of property, allowing revisions to the existing parking to make room for an 11,885 s.f. building addition. The new building would be home to the UA Local 32 Union, freeing existing space for additional training area for the Seattle Area Pipe Trades.  Note: not a plat. Seattle Area Pipe Trades Site Plan Review Page 2  The site is accessed by an approximately 450 l.f. legal easement beginning on Monster Road. There are no anticipated revisions to the existing access.  No proposed off site improvements.  Expansion construction cost including site work, shell and TI costs are approximately $3,557,000.  Approximately 1672 CY (2257 tons) of soils to be removed from the site. Approximately 554 CY (748 tons) of fill to be added to site.  Existing trees and proposed tree removal: The project site contains 43 existing trees that qualify as significant per the city’s code. This number does not include trees within any of the on-site wetlands or wetland buffer areas within the property. The 43 trees lie within the “developable” portion of the site. However, we have not included the 4 deciduous magnolia trees along the southeasterly face of the building where the expansion will be constructed because of their small size. Of the 43 trees in question, most are Douglas Firs, Hinoki Cypress, Arborvitae (cedar), Red Maple or ornamental Cherry. We propose to remove 20 trees to accommodate the building expansion. Per the Tree Retention Worksheet, and the fact that this project proposes to retain a high percentage of trees, we are not required to replace any trees.  No land will be dedicated to the City with this project.  Construction trailer, connex storage container and portable chemical toilet  No proposed modifications to be requested.  No work within the 25ft Wetland Buffer is proposed.  Distance from closest area of work is 25ft to the small seasonal wetland on the south adjacent property.  Description of the nature of existing shoreline: N/A  The closest residential area is approximately ½ mile from the existing site. The proposed structure will not have any impact on views from the existing residential units.