Northstream Ln - 831_BLD20071046.pdf
City of Edmonds
TH
121 5 AVENUE NORTH • EDMONDS, WA 98020 • (425) 771-0220 FAX(425) 771-0221
Website: www.ci.edmonds.wa.us
DEVELOPMENT SERVICES DEPARTMENT
Planning • Building • Engineering
Plan Review Corrections
BLD20071046
10/24/07
Permit:Date:
#
WhiteADD/831NorthstreamLn
Project Name/Address:
Contact Person/Address/Fax:
__________________________________________________________________________________________
__________________________________________________________________________________________
DianaWhite/DIANA.WHITE@COMCAST.NET
Engineering
EdwardSibrel
Reviewer: Division:
During review of the subject submittal it was found that the following information, corrections, or
clarifications will need to be addressed:
Note:Engineeringhandoutsandstandarddetailsmaybefoundat:
http://www.ci.edmonds.wa.us/engr_dept.stm
1.Ifthesiteplannote,"Tieexistingdrainsintonewsystem,"iscorrect,thenthedetentionsystemisrequiredtobesizedforall
impervioussurfaces,oldandnew.Ifthenoteisincorrect,thennoneoftheexistingroofandhardscaperunoffwillbedirectedtothe
detentionsystem.Iftherooflinesaresuchthataportionoftheexistingroofsurfacemustdraintothedetentionsystem,thenthe
capacityforthesystemmustbeadjustedaccordingly.
2.Itisunclearfromthenotesontheplanswhetherthereisinplaceanalreadyexistingdetentionsystem.Ifthereis,pleasespecifypipe
size,length,andlocation.Otherwise,editthesiteplannotesforclarity.
3.Notethatifthereisnoexistingdetentionsystem,thenthereisno'credit'fordemolishingtheexistingdriveway,asthereisno
detentioncapacitytotakeacreditagainst.Inthatcase,theentireextentofthenewdrivewayshallcountasnewimpervious.
4.Detentionsystemoutletshallbe6"indiameter.
5.Showhowandwherefootingsaretodrain.Notefootingdrainsarenottobeconnectedorflowtothedetentionsystem,butmaybe
wyedintotheoutletpipe.
6.Submitaseparatesheetdetailingstormlinetobeinstalledincityright-of-way:includeexistingandproposedCBsandtheirinverts,
nearbyutilitiesandtheircrossings,pipematerialandsize,lengthofrun,andextentofproposedasphaltsawcuts.
7.Accordingtothesiteplan,thedetentionsystemliespartiallywithina10'utilityeasement.Thedetentionsystemmust1)eitherbe
movedoutoftheeasement,or2)acopyoftheeasementmustbeprovidedshowingthatsuchworkisallowedwithinitsborders,*and*
buriedutilitieslocatedsothatpotentialconflictscanbeascertained.
8.Info:Aseparatesewerpermitshallbeissuedtocovertheinstallationofacleanoutoutsideofthenewaddition.
Please resubmit three copies of the revised plans/documents to a Development Services Coordinator. You
may contact me at 425-771-0220 if you have specific questions regarding these plan corrections.
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