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<br />�•---: KING COUNTY, WASIIINC,TON, SURFACE WATER DESIGN MANUAL
<br />4 '
<br />TADLE 3.S.2C •n" AND "k" VALUFS USF,D IN TIME CALCULATIONS FOR HYDROGRAPHS
<br />-� 0,8
<br />'a SIMel Flow EVW14M Ma,c,k,g'$ Valise$ (Fie Ily 6441 300 h V1 Have) no. C�=1 O f�� / O
<br />O
<br />Smooth,✓laces (concreb• afplsak• pravel, w Lau Will packed Sol)
<br />0011
<br />Faaov, hods or loose soa wrlAce pro rgsklue)
<br />005
<br />C,IIhalgd SO with ieskl"o coves ( a <. 0 70 son)
<br />OU6
<br />Cit"ted sea v oils teskllw cover (S s 0 70 C/n)
<br />0.17
<br />Sb garde 9,ass dd laws,,
<br />0.15
<br />EM,e g,a,IC,
<br />0.74
<br />6ermuda grass
<br />0.41
<br />Rv,g< (rolmaq
<br />0.13
<br />,yeeds c, loosest whh light urdetbrush
<br />O.aO
<br />Woods eI lorest won dense ude,Orush
<br />0.90
<br />wn,w,q wNes for ,heel sow only. Oom O+enon and kleadows 1976 (See TR 55. ING)
<br />w
<br />T Values Used In TiavN Time/Timo o7 Conceraation COICOVwns
<br />`"
<br />Stsaow Concemuled Flow (AheI lim InA4l 000 h. of sheet Now. R - 0A)
<br />k,
<br />L
<br />1. Folal whh heavy plomd litler And meadows (n.0.10)
<br />J
<br />V & 0
<br />2. Bmsey ground whh some uses (n • O.000)
<br />5
<br />(,•
<br />0. ratios, on minknum talage ctillhatan (n .0.0a0)
<br />B
<br />1. Nigh glass (n . 0.035)
<br />9
<br />5. Shon piass, pasture and U,;hs (n•0.03))
<br />6. Neany base ground (n.0025)
<br />13
<br />7. Paved and 9,a.0 areas (n.0.012)
<br />27
<br />0..'Icl Raw (Inlemuiuen0 (Al the Led6,nn,p "1 vis", cicnnnasr 11.0.2) k
<br />1.
<br />Fo,es,m swage will Leavy proud suer (n • 0,10)
<br />5
<br />• 2.
<br />Fmesletl nraimge cou,ss/,acne will, del-ed chvmd Lod (.,-0 =1
<br />10
<br />3.
<br />Rock lined waterway (n.0.035)
<br />15
<br />`
<br />A.
<br />G,assod walcrway(n-00J0)
<br />17
<br />• 5.
<br />Earn lined walenvay p,•00251
<br />20
<br />G.
<br />Clip TJIM(n•002:)
<br />21
<br />7.
<br />Conc,cle 'Ape (0,012)
<br /><2
<br />6.
<br />Othe, walerways and pipes
<br />0.508/n
<br />clom,d now (Cr ...Irmo, mrvn, R
<br />9. laeabesL,g sucam whi, some pools (n • 0010) 70
<br />10. Roek.Oned slogans (n.0.OJ51 23
<br />11. Grass Lned suoam (n.0.030) 27
<br />12. Gown shams, man m,%de elianeeis .,d pl,v 0 Bp7/n•-
<br />"Set Chapter 5. Tatile 5 3.6C Ins addatm,al loran ps 'n' values Ins open eMnnNa
<br />3.5.2.7 00
<br />h
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