2307 COLUMBIA AVE 2018-01-18 - Laserfiche WebLink

�, ' �, � � t -., ,: � Storm Water Site Plan: �� + 2307 Columbia Avenue, Everett, Wa 98203 � �'r'`V , �1 � �� Parcel number 00545001602300 j1 ��e �� v� � - f �� . (,.� � 4�� I. ,,/•R r�'Y1 {�'— e L�`, � � � � � �� ) C' n �� Proiect Description: �',� �,�,,T ;r � ` 1 � 1. Demolition and removal of existing single fart�ily home and detached garage and all other structures. 2. Construction of a new single family home to be operated as an adult family home. 3. Construction of a new attached tw�car garage. 4. Construction of 20ft by 30ft off alley parking�or the adult family home. 5. Construction of retaining walls and fences to comply with state DSHS requirements for adult family homes. �� This project will not significantly alter the impervious area or the grade of the site. 11. Site�assessment: 1.Topo�raphv: The site consists of lots 23&24 located on the carner of Columbia Ave. and Lombard Ave. The site is level grade on the North/South plane. The site is level grade on the East/West plane with the exception of a one foot slope that begins ten feet east�f the NW corner and intersects the West property line at approximately the midpoint between the NW and SW corners. The adjacent off site grade on the south side of the site is sloped to match and follow the city right of way designated as Columbia Ave. The adjacent off site grade abutting the West side of the site is sloped to match the grade of the city right of way designated as Lombard Avenue. The North side of the site butts the alley right of way. The East side of the site is level with the private property abutting the site which is also level in the East/West plane. 2. Draina�e• Due to porous soil type (See soil report USDA-NCRS), level site conditions, and small lot size, all water entering the site percolates. No water discharges from or across the site. 3. Soifs: l � - �__