Unit Sizes and Design

S.No UNIT SIZES DESIGN DETAILS BASED ON DESIGN FLOW
1 Design flow RANITEC : 4500 Cu.m/d Design flow : 4500m3/Day Average inflow : 1600 m3/Day
2 Pump Station - 1 Dia 8.5m x 6.39 T.D. 2.1M SWD Pumps : 3 Nos. x 12.5 HP 160m3/hr Inflow : 1185 Cu.m/Day
3 Pump Station - II Dia 8.5m x 6.32 T.D. 1.8M SWD Pumps : 3 Nos. x 30HP 400m3/hr. Inflow : 3069 m3/Day
4 Bar screen chamber I (For gravity line) 3.7 m x 1.9 m x 4.0 m TD. Inflow : 100Cu.m/hr, V : 0.8 m/s Invert level : 3.0 m from G.L. Spacing : 10 mm
5 Bar screen chamber II (For pressure line) 2.47 m x 1.7 m x 2.67 m TD. Inflow : 400Cu.m/hr V : 0.8 m/s Invert level : 2.17 m from G.L. Spacing : 10mm
6 Mechanized Rake bar screen chamber Size : 4.0m x 1.0m x 4.6m TD Inflow : 500Cu.m/hr V : 0.8 m/s Invert level : below 3.6 m from G.L. Bar spacing : 6mm 2.2KW Rake type screen
7 Receiving sump Dia 9.0m x 7.15mTD SWD : 2.25m Pumps : 3 Nos x 30HP each 500m3/hr submersible mixers - 1 No
8 Pre settler Dia8.0m x 7.5mHOS SWD : 7.1m DP : 20mins Inflow : 500 m3/hr DP - 30 minutes
9 Rotary fine screen Rotary Spacing : 3.0 mm Inflow : 500 m3/hr Solid Removal : 3 mm Type : Drum 2 No x 1.1KW 1 No x 1.5 KW Back washing : 0.75 KW
10 Equalization Tank 42m x 20m x 3.8m TD SWD : 3.375m Fb : 0.5m DP : 15.12hrs Pumps : 2 Nos. x 11 KW pump each Submersible mixers : 6 Nos. x 2.5 KW each
11 Flash Mixer - I 2.6m x 2.5 x 2.9m TD SWD : 2.5m FB : 0.4 Inflow : 200 m3/hr DP : 5 minutes Agitator : 3.7 KW
12 Flocculator 4.0m x 2.5m x 3.0m TD SWD : 2.5m Inflow : 200 m3/hr DP : 7 .5minutes
13 Primary Clarifier 15m Dia x 3.5m TD Swd : 3.0m Fb : 0.5m 2.2 KW SOR : 22.63 m3/m.d WLR : 84.9 m3/m.d DP : 3.19RPH
14 Primary Sludge Pump House 3.05m x 3.05m x 3.05m HOS Pumps : 2 Nos. x 7.5 KW each 160m3/hr
15 Pre Aeration Tank - I 30m x 28m x 3.8m TD SWD : 3.375m Fb : 0.5 m Inflow : 178 m3/hr Blower : 3 Nos x 37 KW each Oxygen Feed : 2000 m3/hr DP : 15.85 hr
16 Pre Aeration Tank - II 10 m x 3m x 5.6m TD SWD : 5.1m Inflow : 178 m3/hr Oxygen feed : 240 m3/hr DP : 50 minutes
17 Aeration tank I & II 50m x 10m x 5.6m TD SWD : 5.0m Fb : 0.5m F/M : 0.15 MLSS : 4000mg/lit MLVSS : 3200mg/lit DP : 30.24hrs Recycle : 66 to 150% Blowers : 3 Nos. x 220HP 7000m3/hr Capacity each Tubular diffusers : 218 Nos Retrievable type.
18 Secondary Clarifier - I & II 15m Dia x 3.0 TD SWD : 2.5m Fb : 0.5m 1.5 KW each 3RPH SOR : 12.13m3/m2/d for each clarifier. DP : 4.96 hr each WLR : 45.44m3/m2/d SLR : 47.46 m3/m2/d
19 Secondary Sludge Pump House 4.05m x 3.05m x 3.05m HOS Pumps : 2 Nos.5.5 KW each 70m3/hr 1No. x 11 KW 150m3/hr
20 Flash Mixer - II 2.5 x 2.5m x TD SWD : 2.1m 2.2 KW 93RPM DP : 4.73min
21 Filter Feed Tank - I 6.0m x 6.0m x TD Depth : 2.5m 2.2 KW 10RPM DP : 32.4min
22 Filter feed pump House 6.5m x 3.50m x 3.05m HOS 2 Nos. x 15KW Filter Feed Pump
23 Filter Backwash Sump 6.0m x 6.0m x TD SWD : 1.5m DP : 30min
24 Pressure Sand Filter - 2 Nos Dia3.5m x 1.8m HOS Inflow : 116m3/hr Filtration Capacity : 12m3/m2/hr
25 Sludge Drying Beds ( Pre - settler ) 16 x 9.25 x 1.10m TD Nos : 6 Drying Period : 15 days Application Depth : 40cm Pre settler sludge : 80m3/d at 6% solids
26 Sludge Drying Beds ( Primary and Secondary Clarifier ) 15 x 8 x 1.10m TD Nos : 4 Drying Period : 15 days Application Depth : 40cm Primary Sludge : 360m3/d at 4% solids Secondary Sludge : 143.27 m3/d at 1.5% conc. Sludge application rate : 240m3/d
27 Sludge Thickener Dia6.0m x TD SWD : 3.0m Fb : 0.5m Wt. of sludge @ 1.5% conc. 4343.9Kg/d SLR : 150 Kg/m2/d Vol. of sludge after thickening at 5% conc. : 78.98m3/d
28 Reactivated Clarifier Dia15.40m x 4.0m TD SWD : 5.5m Drive - 2.2 KW Turbine : DP : 3.19hrs SOR : 22.63 m3/m/d WLR : 84.9 m3/m/d
29 Filter feed tank 9.0m x 9.0m x 3.0m TD SWD : 2.5m Capacity : 243 m3 Pump : 4 Nos Flow Rate : 65m3/hr KW : 18.5 RPM : 2928 DP : 1.62hr.
30 Dual Media Filter 3.0 m Diax1.8m HOS Inflow : 90m3/hr Filtration Capacity : 12 m3/m2/hr
31 Ultra Filtration Modules - 3 Nos Each : 50 m3/hr Flu x Rate : Type : Dead End Feed : In to out No of Modules : 3 Nos each 20 Nos of Hollow Fiber Membrane/Model : Hydrocap 60 Make : Hydronautics
32 Ultra Filtration back flush Tank 8.0m x 1.0m x 2.85m TD Capacity : 22.8 m3 Pump : 2 Nos 275 m3/hr KW : 45RPM : 1470. Backwashing : Once in 30minutes CIP Chemicals : Naocl Caustic Soda. 33 UF CIP Tank Dia1.18 m x 2.6 mHOS Pump : 2 Nos. Flow Rate : 143 M3/hr Kw=15 RPM : 2920.
34 O.S feed Tank 10.0m x 8.0 m x 3.0m TD Capacity : 240 m3 Pump : 4 Nos Flow Rate : 55 m3/hr Kw : 9.3 RPM : 2920 Flow : 2979.9 m3/day Detention : 1.41 hrs ResinType : Amberlite IRA 900 CL Resin Make : Dow 35 O.S Regeneration Tank 2.50m x 2.50m x 2.75m TD Capacity : 17.18 m3, Pump; 2 Nos 9m3/hr KW : 1.5 RPM : 2900
36 RO Feed Tank 20.0m x 8.0m x 3.0m mFB;0.5 m Capacity : 480 m3 Pump : 4 NOS55 m3/hr KW : 9.3 RPM : 2920 DP : 1.33
37 R.O Modules - 3 Nos Each : 50m3/hr No of Modules : 3 Nos Ist Stage : High Pressure Pump : 93.2 KW RPM : 2975 8 vessles each 6 Nos of Membrane IInd Stage : High Pressure Pump : 20 KW RPM : 2990, 4 vessels each 6 Nos. of Membrane. Membrane Type : SWC5 Membrane Make : Hydronautics Configuration : Poly Amide
38 RO CIP Tank Dia1.18 m x 2.6 m HOS Capacity : 10 KL Pump : 2 Nos 130m3 Kw=15 RPM : 2920.
39 Degasser Tower 1.6 m Dia x 2.0 m H Capacity : 119 m3/hr Type of Media : Pall Rings(PP) Blower : Capacity : 60 m3/minutes Motor : 1.5 KW
40 R.O Permeate Tank 15 m x 12.5 m x 3.50 m TD Capacity : 656 m3 Pump : 2 Nos for OHT - 1/Flow : 80 m3/hr Kw : 30 RPM : 2940 Pump : 2 Nos for OHT - 2/Flow Rate : 60 m3/hr Kw : 30 RPM : 2900 Pump : 2 Nos For OHT - 3/Flow Rate : 60 m3/hr Kw : 30 RPM : 2900
41 R.O Reject Tank 8.0 m x 8.0 m x 3.0 m TD Capacity : 192 m3 Pump : 2 Nos 45 m3/hr Kw : 37 RPM : 3000
42 Antiscalant Dosing Tank Dia 0.70m x 1.16mHOS Pump : 3Nos10 L/hr Kw = 0.37 RPM : 1410
43 SMBS Dosing Tank Dia 0.70m x 1.16mHOS Pump : 3 Nos10 L/hr KW = 0.37RPM : 1410 Capacity : 46.56 m3
44 Drain Tank for RO Dia3.9 m x 3.9m LD Pump : 2 Nos 20 m3/hr KW = 3.7 RPM = 2900