TUGAS VII

Air limpasan dalam bottom pit :Q = 0.278 x C x I x A = 0,278 x 0.9 x 4,95 x 0,215 = 0,266 m3/dtAir limpasan disposal :Q = 0,278 x C x I x A = 0,278 x 0,75 x 4,95 x 0,1173 = 0,121 m3/dtDebit Air Limpasan Total :Q total = Air limpasan Bottom pit + Air limpasan Dispotsal = 0,266 m3/dt + 0,121m3/dt = 0,387 m3/dt

Perhitungan Paritan Segitiga :

Z= 1/sin 600 =1,15Luas = (1,15 x 1)2 = 1,33 m2Keliling = 2(1)1+1,152 = 3,32 mR = 1,33/3,32 = 0,40Q = A x V = 1,33 x (1/0,03 x 0,402/3 x 1,151/2) = 25,80 m3/dt

Perhitungan Paritan Persegi :

2 m

1,5 mLuas = 1,5 x 2 = 3 mKeliling = 1,5 + 2 x 2 = 5,5 mR = 3/5,5 = 0,54 mQ = A x V = 3 x (1/0.03 x 0,542/3 x 0,00015 ) = 0,792 m3/dt

Perhitungan Paritan Trapesium :B

dZ = cotg b

S = sin 45 = 0,70 = 1 / 0,70 = 1,41 mLuas = (1 + (2 x 1)) 1 = 3 m2Keliling = 1 + 2 1+1,412 = 4,98 mR = 3 / 4,98 = 0,60Q = A x V = 3 x (1/0,03 x 0,602/3 x 1,411/2) = 84,4 m3/dt