sabarmatiLinear Waterway for sabarmati bridgeS.no.ParticularsUnitQuantity1Design dischargeTotal desin discharge Q1+Q2+Q3m3/s11054.7AObserved discharge of Sabarmati Bridge10298BDesign discharge of andheri bridge734A+B11032

2Linear waterwayActual discharge of Sabarmati bridge11054.7-734-586.29734.5

Un obstructed velocity in Sabarmati portionm/s1.55HFLm14.75Lowest Bed levelm7.269Maximum depth of water Du maxm7.481

Av. Bed levelm10.64Av. Depth of water Du avm4.08Approach velocity for Sabarmatim/s2.28Head due to this velocitym0.26Affluxm1.8H=Du+u2/2g=4.08+0.26=4.34m4.34Velocity through ventv=(2*ngH)1/2 eqation15.2 of IRC SP13 page51 and n=0.33 page52m/s5.32Discharge Q=1.706Cw LH 3/2 equation 15.5a of SP:13-2004Linear waterway requiredm643.33Linear waterway providedm

HFLm14.753Soffit level of bridgeHFL+Afflux+1.5m18.05

andheriLinear Waterway for andheri bridgeS.no.ParticularsUnitQuantity1Design dischargeTotal desin discharge Q1+Q2+Q3m3/s11054.7AObserved discharge of Sabarmati Bridge10298BDesign discharge of andheri bridge734A+B11032

2Linear waterwayActual discharge of Sabarmati bridge11054.7-734-586.2734

Un obstructed velocity in Sabarmati portionm/s1.55HFLm14.75Lowest Bed levelm7.269Maximum depth of water Du maxm7.481

Av. Bed levelm10.64Av. Depth of water Du avm3.08Approach velocity for Sabarmatim/s1.15Head due to this velocitym0.07Affluxm1.8H=Du+u2/2g=3.08+0.26=3.34m3.34Velocity through ventv=(2*ngH)1/2 eqation15.2 of IRC SP13 page51 and n=0.33 page52m/s4.64Discharge Q=1.706Cw LH 3/2 equation 15.5a of SP:13-2004Linear waterway requiredm71.92Linear waterway providedm

HFLm14.753Soffit level of bridgeHFL+Afflux+1.5m18.05