Project Title

Complete Report

Screen Chamber
Report

Input
Flow Rate (Q) MLD
Peaking Factor (Pf)
B.O.D. mg/l
Total Suspended Solids (Ss) mg/l
Temperature De cls
Inclinations of bars (O) Degree
Size of bars mm
Length (l) m
Width (w) m
Depth (d) m
Clear Spacing between bars (s) m
Velocity of flow normal to screen (V) m/sec
Number of bars (n)
Free Board (FB) m
Manning's Coefficient (N)
Output
Average rate of flow (Q) Lit./Day
Q m3/sec
Net Submerged Area of the Screen m2
Gross Submerged Area of the Screen m2
Velocity of flow in the Screen Chamber m/sec
Number of Openings
Gross Width of Screen Chamber (W) m
Liquid Depth m
Total Depth of the Channel m
Hydrualic Mean Depth (m)
Slope of Channel Bed (i)

SCREEN CHAMBER

0.63 m
Gross Width of Screen Chamber
20 No. of Bars
30 Degree Inclination of Bars

Grit Chamber
Report

Input
Specific Gravity of Particles (Ss)
Acceleration due to Gravity (g) m2/sec
Diameter of smallest Grit particle (d) m
Kinematic Viscosity (Kv) m2/sec
Depth of the grit chamber (H) m
h1 m
h2 m
h3 m
h4 m
h5 m
Output
Average Flow Rate (Q) MLD
  m3/day
Settling Velocity (Vs) m2/sec
Reynold's number (Re)
By Transition Law
Vs
Re
Drag coefficient (CD)
Displacement Velocity (Vd)
Area of Grit Chamber (A) m2
Length of the Grit Chamber (L) m
Width of the Grit Chamber (W) m
Peaking Factor (Pf)
Width (b) cm
b1 cm
b2 cm
b3 cm
b4 cm
b5 cm

GRIT CHAMBER

20.00 m
Length of Grit Chamber
742.72 m Width of
Grit Chamber

Skimming Tank
Report

Input
Depth of tank (D) m
Rising velocity of greasy material (Vr) m/min
Output
Flow Rate (Q) MLD
  m3/day
  m3>/sec
Rising velocity of greasy material (Vr) m/sec
Surface area of skimming tank (A) m2
Diameter tank (d) m2

SKIMMING TANK

1.50 m Depth of Tank
1.97 m
Diameter of Tank

Primary Settling Tank
Report

Input

Design of Primary Settling Tank

Surface over flow rate (S.O.R.) m3/m2/day
Wier overflow rate (W.O.R.) m3/2/day
Side water depth (S.W.D.)
Number of tanks (n)
Bed Slope V
W

Design of collection channel

Velocity of flow in channel (V) m/sec
Width of channel (W) m

Design of Sludge Hopper

Percentage of solids removed by Grit Chamber %
Solids in Clarifier mg/lit
Percentage of solids removed by Clarifier %
Total Solids
Volatile solid
%
Fixed Solid %
Specific gravity - Volatile Solids (Vss)
Fixed Solids
Percentage of Solids Dried in Clarifier %
Sw Kg/m3
Ps
Frequency of cleaning of sludge hopper hours
Frequency of cleaning of sludge hopper day
tanʘ
rb2 m
Output

Design of Primary Settling Tank

Flow Rate (Q) MLD
  m3/day
  m3/sec
(V:W)
Area of tank (A) m2
Area of each tank (a) m2
Diameter of tank (d) m
Flow through each tank m3
Check for W.O.R. m3/m2/day
Volume of tank (V) m3
Detention time (T) day
  hours
Depth due to slope at centre (D) m
Total depth (D) m

Design of Collection Channel

Area of channel (A) m2
Depth of channel (A) m
Free Board (ff) m
Total Depth (D) m
Wetted Perimeter (p) m
Hydrualic mean radius (m)
Manning's Coefficient (N) m
Slope of channel bed (i)
Slope

Design of Sludge Hopper

Total Suspended Solids (Ss) mg/lit
Dry solids (Ms) mg/lit
  Kg/day
Suspended solids (Ss)
Ss
Specific gravity of Sludge (Ssl)
Ssl
Volume of sludge (V) m3/day
Volume of hopper m3
Θ degree
tan(90-Θ) degree
Volume (V)
rb1
H m
h m
Height of Hopper m

PRIMARY SETTLING TANK

75.25 m
Diameter of Tank
6.88 m Depth of Tank
0.0034 m Depth
of Channel

Aeration Tank
Report

Input
Percentage recirculation %
Aeration period (T) hours
Depth of tank (d) m
Output
Flow Rate (Q) MLD
  m3/day
  m3>/sec
Percentage recirculation
Volume of Returned Sludge (v2)m3/day
Capacity of Tank m3
Area of Tank (A) m2
Diameter of tank (D) m

AERATION TANK

180.97 m
Diameter of Tank
1.50 m Depth of Tank

Trickling Filter
Report

Input

Design of Trickling Filter

Effluent B.O.D. (Le) mg/lit
Recirculation Ratio (R)
Depth of Trickling Filter (D) m
Number of Units

Design of central pipe and distributory system

Velocity of flow m/sec
Provide Sections
Provide Joint Length m

Design of Orifice

Drag Coefficient (Cd)
Depth of Orifice(h) m
Diameter of Orifice m
Proportionate area of sections
1st Section
%
2nd Section %
3rd Section %

Design of Under Drainage System

Spacing of Under Drain m
Velocity of Flow m/sec

Design of Collecting Channel

Width of channel (W) m
Output

Design of Trickling Filter

Flow Rate (Q) MLD
  m3/day
  m3>/sec
Influent B.O.D. (Li)mg/lt
Overall efficiency %
Applied B.O.D. mg/lit
Area of Trickling Filter (A) m2
Diameter of Tank (d) m
Hydrualic Loading Rate lit/m2-day
lit/m2-day
Organic Loading

Design of Orifice

Area of orifice m2
Discharge through orifice m3/Sec
Number of orifices required for each arm
(Total discharge through each arm/Discharge of orifice)
Number of orifices in each Section
1st Section
2nd Section
3rd Section
Spacing of Orifices
1st Section
mm
2nd Section mm
3rd Section mm

Design of Under Drainage System

Diameter of T.F. m
Number of laterals
Average flow per filter m3/sec
Discharge through each channel m3/sec
Area of each lateral m2
Check for average velocity m/sec
Radius of lateral m

Design of Collecting Channel

Area of channel m
Depth of channel m
Manning's Coefficient (N) m
Hydrualic mean radius (m)
Slope of channel (i)
1 in

Design of central pipe and distributory system

Flow after entering in central pipe (Q) MLD
m3
Peaking factor (Pf)
Flow of central pipe
Area (A) m2
Diameter of pipe m3
Average velocity (Vavg)
Diameter of T.F. m
Length of each arm m
Length of Sections
1st Section
m mm
2nd Section m mm
3rd Section m mm
L 1 m
L 2 m
L 3 m
Area of Sections
A1
m2
A2 m2
A3 m2
Proportionate Area for each Sections
1st Section
%
2nd Section %
3rd Section %
Discharge per section
Q1
m3/Sec
Q2 m3/Sec
Q3 m3/Sec
Area of Sections
A1
m2
A2 m2
A3 m2
Diameter of sections
d1
m
d2 m
d3 m

TRICKLING FILTER

Main Collecting Channel
Distributory Arm
Influent Pipe
Wash Pipe
1.23 m Diameter of Pipe
0.35 m Width of Channel

Secondary Settling Tank
Report

Input

Design of Secondary Clarifier

Depth of Clarifier (D) m2

Design of Sludge Hopper

Percentage of solids removed by T.F. %
Production of solids in T.F. Kg/B.O.D.
Percentage of dry solids %
Output

Design of Secondary Clarifier

Flow Rate (Q) MLD
  m3/day
  m3>/sec
Flow through S.S.T. (Q) lt/day
Surface overflow rate (S.O.R.) m3/m2/day
Recircultion ratio ®
Total flow through clarifier lt/day
m3/sec
Area of Clarifier (A) m2
Volume of Clarifier (V) m3
Diameter of Clarifier (d) m
V
H
(V:H)
Total depth at the centre of clarifier m
Detention time (T) day
hours
hours

Design of Sludge Hopper

Specific gravity of Sludge (Ssl)
Volume of Sludge (Vs) Kg/day
Dry solids (Ms) Kg/day
Sw Kg/m3
Ps
Volume of sludge produced in S.S.T. mg3/day

SECONDARY SETTLING TANK

106.42 m
Diameter of Clarifier
5.45 m Depth of Clarifier

Digester Unit
Report

Input
Time required for digestion (T) day
Height of Digester (H) m
Output
Volume of Sludge from P.S.T. (Vpst) m3/day
Volume of Sludge from S.S.T. (Vsst) m3/day
Volume of Fresh Sludge (Vf) m3>/sec
Volume of Digester Sludge (Vd) m3>/sec
Volume of Digester (V) m3
Area of Digester (A) m2
Diameter of Digester tank (D) m
Dry Solids in P.S.T. Kg/day
Dry Solids in S.S.T. Kg/day
Total Volume of Sludge (Vs) Kg/day
Volatile solids destroyed (Vsd) %
VSD Kg. Vs/day
Quantity of total gas produced during digestion m3
Quantity of methene gas produced during digestion m3

DIGESTER UNIT

6.00 m Height of Digester
17.95 m
Diameter of Digester

Sludge Drying Beds
Report

Input
Depth of Sludge application (D) m
Length of drying bed (L) m
Frequency of Sludge remove (f) day
Output
Volume of Sludge Digester (V) m3
Area of Sludge drying bed (A) m3
Width of drying bed (W) m
Number of Sludge drying beds (n)

SLUDGE DRYING BEDS

10.0000 m
Length of Drying Bed
3.80 m Width of Drying Bed
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