Laserfiche WebLink
'-•- .r-- -- -...- - --- cl•rs-'vr �vr.ec�ir _ � <br /> � ���� DEPARTMENT OF PUBLIC WORKS " • • • <br /> ,�t' +~ . . . , <br /> � i <br /> �• DRAINM..E PLAN SOBMISSION FORM , <br /> see ord ance 14-78 • <br /> N11M.E O�' APPLICANT AerooauticaT MacMnists Inc. • • . —1 <br /> . •� <br /> ADDRESS OF 71?PLI�ANT . 5502 Airport Way South " • • ' • <br /> • Seattle, V1A 98108 • • . • <br /> SUHMZTTED BY . Joe H.C. Huang, AIA ' ' � i <br /> • . • •� <br /> PROPERTY LQP.ATION ' " ' � ' • • <br /> ZONING OF BITR: M-1 � ' AREA� OF SITE: 2 32 acres ( �!; !' � . �r f��'��,1` <br /> . .• � � � � �/ i � • -.,� '� "�� � /• c�i;:,' <br /> ARE7► OF CONTRl'i3UTING .CATCHMENT:; 1 .87 oc • �� • 't � �, ., . .� .� '..; ' * ,:'- <br /> PRE—DEVELOPMENT CONDITIONS:� . ' • ' • <br /> Runof! Coefficient • • 0.20 • � . • • . <br /> Time o! Concentration � 13 2 • - �� • , • <br /> Rainfall Intensity _ 1 •6� � ' �� inJhr. <br /> A7.lowable. release rate• ' 0.60 . � ags <br /> POST—DEVELOPMENT CONDITIQN: '' � � ' .' <br /> • Runo££ Coefficient 0.80 • • � ' ' : • " �• • <br /> Dpsign Storm � 25 • yr, • �. .' <br /> DETENTION STORAGE REQUIRED: 3121 ' . ' • C.�Q <br /> ORIFICE: . ' pl q2 �3 ' . . • , . <br /> DIAMETER 2 3 2 inches ' <br /> . �pp , 2.7 4.3 5.17 feet . <br /> OUTLET PIPE: ' , . � . ' <br /> DIAMETER � 12 36 inches ' .. . , • . <br /> ' . , SLOPE 0.5 0.5 U.�_ feet per hundred feet ' � • <br /> . CAPACITY •46 1 .37 25.fi2 Cubic feet per second . , . <br /> RISER: • . <br /> DIAMETER 10 10 10 ynches • , . <br /> C1�PACITY 3.6 3.6 5.8 cubic fePt p�p �sRecon(�dn M R � <br /> . I �St'� � LSII ULSn <br /> ( % /� � � UU . . �J � <br /> � s�(%'e!� �C1r-t,cru}- �..1 //� /�/S�/� /JAN 15 1981 . . <br /> Si,gnature of appl canti • date <br /> . : <br /> DEPARTt1ENT OF PUBLIC WORKS APPROVAL PLAN NO. • CITV �c EVFRETT <br /> ON SITE DETENTSON i�EQUIRENIENTS: c.fee <br /> � � . <br />