Design Sanjeev 1

8/12/2019 Design Sanjeev 1

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Design Flood 44.00 m3/sec

Ponding level at Diversion 1341.2 msl

Diversion Discharge

Design Discahrge for power 1.24

Q Flushing discharge 1! 0.1"

Diversionfrom Intake Qi 1.43

Preliminary Estimation of Head over crest from weir

Discharge to pass Q 44 m3/sec

length # 1 m

Discharge $oefficient $d 0.%

&ead 'ver crest h 1.20 m

Factor for side $ontraction 1.00

Discharge $apa Q(2/3$d)s*+2g,&-+3/2,)# 44 m3/sec

&ead over crest in weir 1.20 m

Preliminary Estimation for Underslice !lanning

idth re*uired # 1.2

Discharge $oefficient $d 0.

eir $rest h aove sill w 1.2

ate opening h 1.20 m

/ water depth h1 2.40

Discharge $apa Q($d)s*+2g&,)#)h 4.1" m3/sec

! of discharge passing sluice ".!

luice width adopted 1.2 m

Hydralics at "eir with Underslice

#evels$rest 5evel of eir6 7w8 1341.2 m

$rest 5evel of ndersluice6 7u8 1340.0 m

Design Flood 44.00 m3/s

9et 5ength of pillwa 1 m

9o of ndersliuces 1 9os

luice Dimension

luice idth 1.2 m

luice ate opening a 1.2 m

Depth elow crest w 1 m

:utment $ontraction $oeff ;a 0.01Pier $ontraction $oeff ;p Pier shape 0.01

Discharge $oefficient weir 2/3)$d)Q

2 1.00 1342.20 1342.2 1342.0 14."> 0." 30.% 1.1

% 1.20 1%&2.&0 1%&2.& 1%&2.1 1'.() 0.*1 &%.)& 1.1'

4 1.%0 1342."0 1342." 1342. 1."% 0.% %>.0 1.13

m3/sec

m3/sec

m3/sec

7nerg5evel

:ctuallevel

7ff. 5ength6m

Dis. $oeff6 Discharge6m3/s


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2.20 1343.40 1343.4 1342.> 1." 0.%" 12>." 1.11

2.%0 1343."0 1343." 1343.1 1." 0.>3 1>3.0 1.0"

% 3.20 1344.40 1344.4 1343.3 1%."4 0.>% 22.> 1.0%

> 3.%0 1344."0 1344." 1343. 1%."3 0."1 341.%1 1.0

" 4.20 134.40 134.4 1343.% 1>."2 0." 4.31 1.03

10 4.%0 134."0 134." 1343." 1"."1 0."" "1.1 1.01

+do!ted ,ales for '0 year -lood

7nerg 5evel 1342.4 m Discharge through eir 43.>4

ater 5evel 1342.4 m Discharge through ndersluice .2>Q total 4".12


3/18


4/18

Underslice $onveyance


5/18

2.>3 0.3 .1 13 ! 0.1 2.32

3.2 0.0 %.0 1"1 & 0.)2 2.&&

3.% 0. %. 2%0 3! 1.0% 2.

4.0> 0." >.03 30 2! 1.3 2.>

4.0 0.%2 >.4> 44 2! 1.% 2.>0

4."2 0.% >."1 00 1! 2.03 2."1

m3/s

m3/scumecs


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7/18

?el &ead ?el

0.0" 1.4

0.21 2.0

0.2% 2.3

0.42 2."


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0.1 3.4

0.)2 &.0

1.0% 4.

1.3 .2

1.% .%

2.03 .3


9/18


10/18

Updated Feasibility Study Report,2011 Weir and Udersluice

Lower Khare Khola Small Hydropower ro!ect 10"1#

Design of "eir

$nput arameters%

100 &r' desi(n )lood ** +m"Sec-

.esi(n .ischar(e +/*0- 1'2* +m"Sec-

Len(th o) Weir 1 m

Weir rest Le3el 1*1'2 msl

.ischar(e oe))icient +cd- 0'4#

Side ontraction Factor 1

Undersluice width 1'2 m

5otal Len(th o) Waterway 16.2 m

Calculations

Flood .ischar(e to pass )rom weir 6 +m"Sec-

Head 73er rest 1'0 m

Discharge $apa Q(2/3$d)s*+2g,&-+3/2,)# 8 +m"Sec-&igh Flood 5evel 1*2'# msl

Freeboard ro3ided 1 m

rest o) Flood wall ro3ided 1*'# msl

+2. Design of Underslice

Width o) Sluice (ate 1'20 m

oe))icient o) .ischar(e +d- 0'8

rest Le3el o) Undersluice 1*0'00 msl

U"S water depth 2'4 m

7penin( Hei(ht o) 9ate 1'2 m

Discharge $apa Q($d)s*+2g&,)#)h *'4 +m"Sec-

o) .ischar(e From Undersluice 11

Si:e o) Undersluice openin(

Width 1'2 m

.epth 1'2 m

+%.$om/ined Hydralics at "eir and Underslice

$rest 5evel of eir6 7w8 1341.2 msl

$rest 5evel of ndersluice6 7u8 1340.0 msl

Design Flood 44 m3/s

9et 5ength of pillwa 1 m

9o of ndersliuces 1 9os

luice Dimension

luice idth 1.2 m

luice ate opening a 1.2 m

Depth elow crest w 1.0 m

:utment $ontraction $oeff ;a 0.01Pier $ontraction $oeff ;p Pier shape 0.01

Discharge $oefficient weir 2/3)$d)Q $d

$ontraction $oefficient sluice $c 0.

"eir Portion Underslice Portion

9 :ctual level Dis. $oeff6 2 1.13 2.0 0.4

4 2.1 1343.30 1343.3 1343.30 14." 0.%" 10 1.12 2.% 0.4

2.4 1343.0 1343. 1343.0 14." 0.>1 133 1.10 3.00 0. %

&ence6

Re3ised Hi(h Flood Le3el 1*2'40 msl

Freeboard 1'00rest o) Flood wall ro3ided 1*'40 msl

7ff.&ead6 m

7nerg5evel

aterlevel

7ff. 5ength6m

Discharge6 m3/s

7ff.5ength6 m

Discharge6m3/s


11/18

Updated Feasibility Study Report,2011 Weir and Udersluice


4%

>%

112

140

=otalDisch6


12/18

Design Discharge 1.24 0.

ilt Flushing Discharge 1! 0.1> 0.

Diversion Discharge 1.43

Intake $rest Qdiv

Discharge to pass Q 1.43 1.43 1.43 m3/sec

idth of the crest # 1.3 2 3 m

Discharge $oefficient $d 0. 0. 0. m/s

:ngle of ar inclination with horiBontal 381 %2 0&ead 5oss in =rashrac@ C 0.002 m

Depth efore =rashrac@ 0.%0 m

Depth after =rashrac@ 0.%0 m

$oefficient of opening 0."1idth of =rashrac@


13/18

$ontraction coefficient 0."

?elocit coefficient 0."2idth of =rashrac@ 0 m

Enta@e Envert 5evel 1340.0& Difference in water level 2.30 m

Discharge through inta@e during high flood6 Q %.20 m3/s

Discharge from 3rifice

'pening h 0. m

Enta@e 'rifice # 3.0 m

Discharge $oefficient $d 0.>

& 0.30

Discharge $apa Q($d)#)h)s*+2g&, 2.%" m3/sec


14/18

th metal


15/18


16/18

Updated Feasibility Study Report,2011 $nta;e


Annex DC-03

Intake DesignEnput Parameters

Design Discharge +Qd, 1.24

Diacharge $oefficient6 $d 0.

:rea #loc@ with =rash msl

Enta@e =op 5evel 1341.2 msl

tage at Design Flood 100 rs+&, 1.0 m

Enta@e 'rifice+, 3 m

Enta@e 'rifice+h, 0.%0 ith Freeoard

:rea after #loc@ed trashrac@ 1." m2

Discharge $oefficient+$d, 0.

Discharge $apa Q($d)@)#)h)s*+2g&, .42 m3/s

m3/sec

m3/sec


17/18

Updated Feasibility Study Report,2011 $nta;e



18/18

45 Particlar Qantity 4I6E emarks otal length weight7m weight emarks

&eight +m, idth +m, m @g/m @g

1 4lice 8ates 1

luice ate Frame 4 1.2 $hannel 200106 10mm ".2 3" 31

=op channels 2 nos 2 5( .4 #o 101006 10mm 12.> 31 402

Enta@e gate s@in plate 1 1.2 1.2 m 22

=hic@ness 20 mm

@in plate frame 1 1.2 1.2 100100 angle6 10mm thic@ 4.> 1.% %

tiffner angles ac@ side 2 1.0 1.0 100100 angle6 10mm thic@ 4 1.% 3

:le 1 4. 0 mm dia 4. 22.2 100

0

ear #o and plate6 cover ase or motor 5 40

9uts and #olts 5 4> 10 cm c/c 5 4>

4/9total ; 1"0 @g

1.(1 =

2 Intake 8ate 2

ate Frame 1 4 1. $hannel 200106 10mm ". 3" 3%3

=op channels 2 nos 2 1.> $hannel 200106 10mm 3. 3" 141Enta@e gate s@in plate 1 0.% 2 m 1%

=hic@ness 1 mm

@in plate frame 1 0.% 2 100100 angle6 10mm thic@ .4 1.% >

tiffner angles ac@ side 2 0.% 2 100100 angle6 10mm thic@ .4 1.% >

pindle 1 1.3 >0 mm dia 1.3 1.% 20

&andle 1 0 cm dia with 32 dia rod 2 .3 12

Enta@e gate s@in plate 1 1 1.2 m 113=hic@ness 12 mm

@in plate frame 1 1.0 1.2 100100 angle6 10mm thic@ 4.4 1.% "

tiffner angles ac@ side 2 1.0 1.2 100100 angle6 10mm thic@ 4.4 1.% "

pindle 1 2. 0 mm dia 2. 1.% 41

&andle 1 0 cm dia with 32 dia rod 2 .3 10

$hannel 200106 10mm 1. 3" 3

ravel Flushing gate s@in plate 1 0. 0. m 2%

=hic@ness 14 mm

@in plate frame 1 0. 0. 100100 angle6 10mm thic@ 2 1 31

tiffner angles ac@ side 2 0. 0. 100100 angle6 10mm thic@ 2 1 31

pindle 1 3. 0 mm dia 3. 22.2 %>

&andle 1 >0 cm dia with 32 dia rod 3 .3 1

4/9total :8 10'( @g

for 2 2.1

' 4to!log frame in Intake 1

2 4.20 1.2 $hannel 200106 10mm ". 3" 3%%

4/9total &1&0.41 G=

4to!log frame for Underslice

1 4.0 2 $hannel 200106 10mm 10 3" 3"3

4/9total &%2

0.4G=

Documents

Design Sanjeev 1