Annex 30 Tool_Design_waste Stabilization Ponds

TOOL FOR DESIGN OF STP BASED ON ANAEROBIC AND FACULTA FACULT ATIVE POND PONDS S Capacity Average Flow

25

MLD

Guidance: Yellow cells are the input infora!on to "e suita"ly #lled$ Green cells are to "e reviewed and odi#ed%updated if need "e$ &ed le'ers to "e suita"ly corrected$ Ground level at STP Site at Inlet chamber

209.5 Mtr

$rain level at outlet at chainae 1125

206. 206.2 2 Mt Mtrr

I# o3 ut 3all Se"er1000 Se"er1000 mm7  mm7 "ith lo,e 1 in 1100 1100 at  at STP

215. 215.68 68 Mt Mtrr

Averae !lo"

25 M#$

Averae !lo"

0.29 M/ec

Pea% !lo" &

Pea% !actor

2 .2 5

0.65 M/ec

Pea% !lo" & Minimum !lo"

56.25 M#$

!actor

Minimum !lo"

2

12.5 M#$ 0.1' M/ec

DESIGN OF INLET CHAMBER Pea% !lo" Pea% !lo" $eten $eten(on (on (me (me )olume re*uired #i*uid de,th ta%en Area

56.25 M#$ 0.65 M/ec 15 Sec 9 .+ + c u m 0.8 Mtr 1 2 .2 1 M 2

-idth ta%en

.5 Mtr

#enth

.5 Mtr

Provide 3ree board to enure that ra" e"ae "ill not over;o" even "hen the 1000 1000 mm  mm out 3all e"er run 3ull

0.8 Mtr

DESIGN OF COARSE SCREEN Pea% !lo"

0.65 M/ec

oare Screen ,enin

50 mm

$e,th o3 "ater in creen

0.9 Mtr.

velocit4 throuh creen

0.+ M/ec

Area o3 creen Anle o3 inclina(on "ith the horiontal

0.9 M2 '5 de deree

Sin Anle o3 Inclina(on7

0 .+ 1

!ree oard

0 .6 0 m

#enth o3 creen

2.12

-idth o3 o,enin

1.0 mtr

o o3 o,enin

21 no

umber o3 bar

2 0 no 

#et "idth o3 each bar be

10 mm:+5 mm

Total "idth o3 channel

120 mm

#et "idth o3 each ide be Total "idth o3 channel& Provide

50 mm 11 mm

,enin

22

o o3 bar

21

Sie o3 oare Screen<-idth

1. m

Sie o3 oare Screen<#enth

' m

)elocit4 in hannal u/ o3 Screen

0.5'

)elocit4 throuh Screen

0.65

=ead #o o loin

0.006 m

)elocit4 "hen 50> cloin =ead #o "hen 50> cloin

1.29 m/ec 0.0+0 m

DESIGN OF FINE SCREEN Pea% !lo" o o3 creen?ach 3or handlin ,ea% ;o"7 )elocit4ta%in7 throuh creen@ Aume Area $e,th o3 ;o" ta%en =ence "idth o3 o,enin

0.65 M/ec 2 o 0.8 M/ec 0.81 M2 0.+ Mtr. 1.16 Mtr.

o o3 ,enin

+8

o o3 ar

++

-idth o3 hannal

1928

Anle o3 inclina(on "ith the horiontal

+5 deree

lear o,enin bet"een adacent bar o3 creen

15 mm

ar thic%ne o3 creen

10 mm :50mm

Ta%in "idth o3 creen o o3 o,enin "ill be

2000 mm 80 o

o o3 bar10 mm thic%ne7

+9 o

!ree oard

0.6 m

Sin Anle o3 Inclina(on "ith horiontal7

0.966

Inclined lenth o3 Screen #enth o3 chamber be3ore creen

1.5 m 1.5 m

Total #enth o3 chamber

2.85

Total "idth o3 channel

2 Mtr.

)elocit4 in hannal u/ o3 Screen

0.'+ m/ec

)elocit4 throuh Screen

0.++ m/ec

=ead #o throuh creen

0.019 m

)elocit4 throuh creen "hen 50> cloed

1.5'2

=ead #o "hen 50> cloin

0.110

Sie<2.85 #7:2-7:1.+$7

DESIGN OF GRIT CHAMBER GBIT B?M)A# SCST?M

T"o rit removal tan% 1 " F1 S7 each ca,able o3 handlin ,ea% ;o"@ "ill be ,rovided. The4 are deined to remove rit ,ar(cle o3 ie o3 0.15 mm ie and above "ith a ,ecic ravit4 o3 2. D/AH)S : n/1
+5 >

Sa4

0.+5

=ere )S value ta%en

1225 m/m2/da4

=ere n value ta%en<1/83or ver4 ood ,er3ormance7 =ence ur3ace over ;o" rateD/A7H)Kn7/1
0.1 806.'2 m/m2/da4 810 m/m2/da4 10.00> > +29 m/m2/da4

Pea% ;o"m/da47

56250 m/da47

=ence area re*uired 3or ,ea% ;o"

++.16 m2

?ach ide o3 *uare rit chamber

8.+8 mtr.

=ence ,rovide tan% lenth

9.00 mtr.

=ence ,rovide tan% -idth

9 mtr.

$eten(on (me ta%en i

1 minute

$e,th o3 tan% "ill be =o"ever in order to ,rovide ade*uate de,th 3or the rit cra,in mechanim@ increae to Thi ive deten(on (me i

0.'8 mtr. 0.9 mtr. 1.8+ minute

the deten(on (me o3 1.8+lihtl4 hiher7 minute i immaterial 3or mechanicall4 cleaned rit removal tan% =ence ie o3 rit removal chamber i !lo" heiht above@ = "eir@DH2/7KdK#K=L1.5K27L.57@dH.6@#H9

9 :9:0.9 0.12 m

DESIGN OF CHANNEL FROM GRIT CHAMBER TO DISTRIBUTION CHAMBER Pea% ;o" velocit4 ta%en Area re*uired $e,th ta%en Then "idth o3 channel "ill be

DESIGN OF ANAEROBIC POND

0.65 M/ec 0.8 M/ec 0.81 m2 0.+ mtr. 1.16 mtr.

o o3 Anaerobic ,ond to ,rovide ;e:ibilit4 in OM o3 thee ,ond

 o

?ach handlin ;o" o325000m ,er da4/7

8 m/da47

a4

8 m/da47

)olume o3 anaerobic ,ond )H#i :D/ #i
00 m/l 8 m/da47

< volumetric $ loadinBane bet"een 100<'00 m/m/da47 H20T<100a ,er M?A!B$7 THmean tem,erature in coldet month in 0 The manual b4 $AI$A ?B?A uet T a mean in coldet month or *uarter. In *uarter it i 15.557

1.89

hence  i

1++.8 %/ha/da4

=ence )olume o3 tan%)7

1'061 m

$eten(on (me

1.69 da4

$eten(on (me o3 2 da4 or more i deirable to achieve ucient $ removal

2.00 da4

=ence )olume o3 each tan% )7 =ence )olumetric $ loadin7 i $ removal ecienc4in >7H2TF20

1666+ m 150 m/m/da4 '+.+8 >

!or li*uid de,th Area at mid de,th

' mtr. '16+ m2

#enth hall be #H2 =ence mid de,th "idth Harea/27 1/2

'5.6 mtr.

=ence mid lenth #<

91. mtr.

Side lo,e o3 ,ond i 1) &2.5 =

2.5 mtr.

$e,th 3or Slude

1 mtr.

boJom belo" Mid de,th

2.5 mtr.

!ree oard

1 mtr.

To, o3 emban%ment above mid de,th

.5

=ence total to, lenth#7

108.8 mtr.

=ence total to, "idth-7

6.1 mtr.

Area at to,

6869 m2

=ence total boJom lenth #7

+8.8 mtr.

=ence total boJom "idth-7

.1 mtr.

Area at oJom

2611 m2

Provide three anaerobic ,ond each o3 108.8m:6.1m at to, ur3ace and +8.8m:.1 m ur3ace at boJom

DESIGN OF FACULTATIVE POND omber o3 Tan%

2 o

Averae ;o" in each tan%

12500 cum/ec

$ enter at !aculta(ve ,ond aer 2 da4 deten(on ,eriod at anaerobic ,ond

156.66 m/l

Minimum mean monthl4 tem,erature  0c

1.89

)olumetric o$ loadin&< H50 :1.10+<0.002T7T<207 thi value o3 $ loadin rate recommended a M?A!B$ Be3er $AI$A7

219.6+ %/ha/da4

H601.0997LT Be3er Qodh,ur dein7

222.6'

H20 T<120

15+.80

H20T<60

21+.80

H+5<6.25#@ "here #
195.'' %/ha/da4

orrec(on 3or above MS#H1F :10<57:?7 "here ? i eleva(on in meterH

210

1.006

then  i

19'.21 %/ha/da4

In;uent $ to 3aculta(ve ,ond

156.66 m/l

 value o3  i conidered recommended a M?A!B$

219.6+ %/ha/da4

!rom e*ua(on a ,er "orld ban% ,a,er7 3aculta(ve mid de,th area can be calculated aA7 AH10 : #i : D/ A<3aculta(ve area at mid de,th in m 2 #i
+5

#iH

81.66

then A i

8556 M2

$ivide the area in t"o ,ondarea o3 each 3aculta(ve ,ond7 at middle o3 tan%

'26+8 M2

Ta%e #H2 Then "idth HA/271/2

1'6 M

Then # i at mid de,th

292 M

=ence area at mid de,th i Ado,t li*uid de,th Ado,t de,th 3or lude Ado,t !ree oard

'26+8 M2 1 m 0.5 m 1 m

Total $e,th o3 tan%

2.5

Area at boJom emban%ment lo,e =/)

2.5

#enth at boJom

285.9 m

"idth at boJom

19.8 m

=ence area at boJom i <

99+8 m2

#enth at to, includin 1.0 mt 3ree board

298.' m

"idth at to, includin 1.0 mt 3ree board

152. m

Area at to, includin 1.0 mtr 3ree board<

'5'56 m2

)olume o3 ,ond )Hh/6S0F'S1FS27 h
1.5 m '5'56 m2

'26+8 m2 99+8 m2 6'0+ m

S1
5.12 da4

 Total deten(on (me o3 anaerobic F 3aculta(ve ,ond i

+.12 da4

Total area o3 ll a3aculta(ve ,ond at to,

90912 m2

Total area o3 all anaerobic ,ond at to,

20608 m2

Total area

111520 m2

Aumin 3oot,rint area o3 unit a > o3 total area

60.00> >

=ence total area i<

18586+ *m

=ence total area in hectare ta%en a

18.59 hactare 19

Total $ removal in 3aculta(ve ,ond

81.66 m/l

=ence ?Ruent $ i

+5 m/l

Sludge Storage andCleaning reuire!ent Po,ula(on e*uivalent at 108 #P$ "ate

21'81 "u! )er 0.0' "a)ita#$ear  9259.26 "u!#$ear  8692.08 cum

!or anaerobic ,ond lude volume !or anaerobic ,ond lude volume Slude volume ,rovided in all anaerobic ,ond leanin re*uired ,eriod

1.0+ $ear% 1 4ear

a4

Di%tri&ution tan' (or Anaero&i" Pond onider one anerobic ,ond not "or%in@ !lo" heiht above "eir@ = @DH2/7KdK#K=L1.5K27L.57@dH.6@#H1.2 D ,er tan%

0.255208 cum/ec

Aume "eir lenth = Allo" 3ree 3all o3

1.5 m 0.2' m 0.1 m

Total =ead lo

0.' m

!ree oard

0.0 m

Pi)e (ro! di%tri&ution tan' to anaero&i" )ond inlet !lo" "hen one tan% not "or%in

0. cum/ec

Pi,e dia

0.+5 m

velocit4 o3 ;o"

0.+' m/ec

#enth o3 ,i,e

60.00 m

head lo ;*L2/10KdL5

0.02+ m

entr4/e:it lo

0.0'2 m

Total #oe

0.068 m

O*er(lo+ ,eir (or Inlet to Anaero&i" Pond !lo" "hen one tan% not "or%in #enth o3 "eir !lo" heiht above "eir@ = @DH2/7KdK#K=L1.5K27L.57@dH.6 Allo" 3ree 3all Total =ead lo

0.26 cum/ec  m 0.15 m 0.1 m 0.25 m

Pi)e (ro! Anaero&i" Pond Inlet to Anaero&i" Pond Pea% !lo" "hen one tan% not "or%in

0.26 cum/ec

Pi,e dia

0.+50 m

velocit4 in ,i,e

0.+' m/ec

#enth o3 ,i,e

'0.00 m

head lo ;*L2/10KdL5

0.018 m

entr4/e:it lo

0.0'2 m

Total #oe

0.059 m

O*er(lo+ ,eir (or Inlet to Fa"ultati*e Pond Averae ;o" "hen one tan% not "or%in #enth o3 "eir @DH2/7KdK#K=L1.5K27L.57@dH.6 Allo" 3ree 3all

0.1'5 cum/ec  m 0.09 m 0.1 m

Total =ead lo

0.19 m

=al3 ;o" 3rom one anaerobic ,ond@ #enth o3 "eir

1.50 m

Pi)e (ro! Fa"ultati*e Pond Inlet to Fa"ultati*e Pond Averae ;o" "hen one tan% not "or%in

0.1'5 cum/ec

Pi,e $ia

0.600 m

velocit4 o3 ;o"

0.51 m/ec

#enth o3 ,i,e

'0.00 m

head lo ;*L2/10KdL5

0.011 m

entr4/e:it lo

0.020 m

Total #oe

0.01 m

O*er(lo+ ,eir (or Outlet to Fa"ultati*e Pond Averae ;o" #enth o3 "eir @DH2/7KdK#K=L1.5K27L.57@dH.6 Allo" 3ree 3all Total =ead lo

0.1'5 cum/ec  m 0.09 m 0.1 m

($)* m

Pi)e (ro! Fa"ultati*e Pond outlet to Outlet C-a!&er . Averae ;o"

0.1'5 cum/ec

Aume ,i,e dia

0.600 m

velocit4 o3 ;o"

0.51 m/ec

#enth o3 ,i,e

'0.00 m

head lo ;*L2/10KdL5

0.011 m

entr4/e:it lo

0.020 m

Total #oe

0.01 m

Pi)e (ro! outlet C-a!&er .to outlet C-a!&er / !lo"

0.1'5 cum/ec

Aume ,i,e dia

0.600 m

velocit4 o3 ;o"

0.51 m/ec

#enth o3 ,i,e

'0.00 m

head lo ;*L2/10KdL5

0.011 m

entr4/e:it lo

0.020 m

Total #oe

0.01 m

Pi)e (ro! Outlet C-a!&er / to Se+age Pu!) Hou%e !lo"

0.289 cum/ec

Pi,e dia

0.80 m

velocit4

0.58

#enth o3 ,i,e

160.00 m

head lo ;*L2/10KdL5

0.0'1 m

entr4/e:it lo

0.025 m

Total #oe

0.066 m

Alternately +rovide channal )elocit4 Area

1.0 m/ec 0.289 *m

Ta%in@ -idthH2K=eiht@ =H

0.' m

-idth

0.8 m

Slo,e re*uired@ )H1/nKBL.6+KSK.5@ nH0.01@ SH a4

0.000090 0.1 in 1000

Se+age )u!)ing (or Irrigation and Di%)o%al !lo"

0.289 cum/ec

!lo" in #PS

289.5 #PS

a4

290.00 #PS

=ead

15.00 m

Pum, "or%in

2.00 o

Pum, tand b4e

2.00 o

!lo" in each ,um,

1'5.00 l,

,um, ecienc4

60.00 >

Pum, -

5.5' -

Motor -

9.09

Sa4

'0.00

Total o o3 ,um, "or%in F tand b4

'.00

$eliver4 Pi,e velocit4

0.+5 m/ec

Pi,e Area 3or combined ;o" o3 t"o ,um,

0.8+ *m

Pi,e dia

0.+02 m

Sa4

+50 mm

Pi,e dia o3 deliver4 3or each ,um,@ velocit4

2.25 m/ec

Pi,e $ia

0.29 m

Sa4

00 mm

Suc(on Pi,e dia

250 mm

Su!) (or E((luent )u!)ing %tation ;o"

25 M#$

Sum, torae

0 minute

Sum, a,acit4 Sum, de,th

521 cum ' m

Sum, $ia

12.88 m

Provide Sum, $ia

1.00 m

Sum, a,acit4 Provided

51 cum

Free Board !Hlo10  A7L.5<1@ !H

1.16

-ave heiht@=@ K=7/)L2H.0026!e/)L27L0.'+@ !e i 3etch@) i "ind velocit4@ =H

0.06

Fae"al Coli(or! Re!o*al e/iH1/1F%ta71Ft37@ iH5K10L+@ eH

2+98'12.9

tH2.61.197LT<207@ TH1.89@ %tH

0.898

Hel!int- Re!o*al B > removalH1001<0.1' ?:,<0.877 B > removal a ,er the table in boo% b4 $AI$A

99. > 98.6 >