STUDY OF RESERVOIR SEDIMENTATION IMPACT STUDY OF RESERVOIR SEDIMENTATION, IMPACT ASSESSMENT AND DEVELOPMENT OF CATCHMENT AREA TREATMENT PLAN FOR KODAR RESERVOIR IN CHHATTISGARH STATE CHHATTISGARH STATE

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Feb 21, 2014 (3 years and 4 months ago)

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PROJECT PROPOSAL FOR PDS UNDER HYDROLOGY PROJECT PHASE-II
STUDYOFRESERVOIRSEDIMENTATIONIMPACT
STUDY

OF

RESERVOIR

SEDIMENTATION
,
IMPACT

ASSESSMENT AND DEVELOPMENT OF CATCHMENT AREA
TREATMENT PLAN FOR KODAR RESERVOIR IN
CHHATTISGARHSTATE
CHHATTISGARH

STATE
SUBMITTED TO
HP-II CELL
CENTRAL WATER COMMISSION, NEW DELHI
BY
WATER RESOURCES DEPARTMENT
WATER RESOURCES DEPARTMENT, GOVT. OF CHHATTISGARH, RAIPUR
NATIONAL INSTITUTE OF HYDROLOGY
REGIONAL CENTRE, SAGAR (M.P.)
CGGCS
PARTI
C
IPATIN
G
A
G
EN
C
IE
S
PROJECTLEADER

Water Resources Department,
Govt.ofChhattisgarh,Raipur
PROJECT

LEADER
Govt.

of

Chhattisgarh,

Raipur
PROJECT PARTNER

National Institute of Hydrology,
Regional Centre, Sagar (M. P.)
PROJECTDURATION:
3YEAR
PROJECT

DURATION

:

3

YEAR
TOTAL BUDGET ESTIMATE : Rs.34.33 Lakh
WRD, Govt. of Chhattis
g
arh, Rai
p
ur :Rs. 22.26 Lakh
gp
NIH, RC, Sagar:Rs. 12.07 Lakh
NEED OF SCIENTIFIC STUDY ON RESERVOIR
SEDIMENTATION
SEDIMENTATION


Soil&wateraretwoimportantnaturalresources.

Naturetakes200to400yearstobuildup1cmoftopsoil.

About12,000Mtonesofsoillosteveryyearbywateraction.

Reducedcapacitiesaffectreservoiroperationandirrigationefficiencies.

Priorityareasforconservationmeasurescanbefixedonthebasisof
soillossassessment.

Croppingpatterncanbemodifiedandyieldcanbeincreased.

Theresultsofthesedimentmodelingcanbeimplementedonothe
r
reservoirsanddesigningofnewprojects.

Conservationmeasuressuggestedwillreducetheincomingsediment
in
to
reservoir
and
increase
the
life
of
the
reservoir
and
project
in
to
reservoir
and
increase
the
life
of
the
reservoir
and
project
.

Disseminationofknowledgeandfindingswillbeabletodevelopthe
awarenessinfarmersandotherdepartmentsforsoilconservation
m
easu
r
es
.
easues
OBJECTIVES OF THE STUDY
1
Assessment
of
present
status
of
reservoir
storage
by
estimating
revised
1
.
Assessment
of
present
status
of
reservoir
storage
by
estimating
revised
capacityusingremotesensingapproach.
2.
Sedimentmodeling.
3.
Assessmentofsoillossfromcatchmentarea.
4.
Prioritizationofcatchmentareabasedongeomorphologicalcharacteristics,
sedimentyieldandriskoferosionandsoillossfromsub-catchments.
5.
Detectionofchangeinlanduseandotherenvironmentalparameters
responsible
for
sedimentation
in
reservoir
responsible
for
sedimentation
in
reservoir
.
6.
Developmentofmanagementplanforcatchmentareawithareaspecificsoil
conservationmeasuresforminimizingsedimentationinreservoir.
STUDYAREA
STUDY

AREA

Kodar reservoir is situated on river Kodar which is a tributary of Mahanadi.

ﱯョ塞

ﱯョ



塞



ﵡﵵ﹤



Latitude : 21-11’50” N & Longitude : 82-10’-40”E

Year of start of operation : 1976-77

Dead Storage Level : 286.04 m

ﱬゥﱥ

ﱬ

ゥ

ﱥ









Gross Storage Capacity : 160.35 MCM

Dead Storage Capacity : 11.33 MCM

No. of villages served : 49

ョ





ﹳ拾




Earthen dam : 3.26 km long

Top width of dam : 4.577 m

Waste weir : 183 m long

ﱥ﹡ﱥ﹧拾

ﱥ

﹫

﹡





ﱥ﹧


















︠

Right Bank Canal (RBC) : Length is 10.60 km & CCA is 7406 ha.

Length of distributaries : 67.75 km

Length of minors : 278 km





ﱴﱥ















L.B.C . : 36436 acres

R.B.C. : 17243 acres
DRAINAGEMAPUPTOKODARRESERVOIR
DRAINAGE

MAP

UP

TO

KODAR

RESERVOIR
Catchment area : 317.17 sq. km.
Mean rainfall : 1433.1 mm
ThHill&t
T
opograp
h
y :
Hill
y
&
s
t
eep
Water spread (FRL) : 8850 acres
LAND USE MAP
Main land uses are :

Forest : on ridges

Ag
ri
cu
l
tu
r
e
:
o
n
p
l
a
in
s
gcutueopas
•Waste land
•Built up
•Water bodies
SOIL TYPES IN CATCHMENT OF KODAR RESERVOI
R

Soil is mainly fine
loamy







略ウ說
1.
Preparationofinventoryonhydrology,meteorology,geology,land
use
soil
reservoir
elevations
and
other
details
METHODOLOGY
use
,
soil
,
reservoir
elevations
and
other
details
.

Collectionandanalysisofrainfall,reservoirdetails,levels,landuse
pattern,drainageetc.

Contours,geology,geomorphology&hydrogeomorphology.

塞

塞

葉ﱴョ

ﱩ
﹤


塞


塞


葉ﱴョ


ﱩ
﹤



Procurementofremotesensingdataonthebasisofreservoir
levels.
2.
Instrumentationandcollectionofhydrologicalandsedimentdata
in
different
inflowing
tributaries
.
in
different
inflowing
tributaries
.

Upgradingofgauge-dischargeandsedimentsamplingsites.

Regularcollectionandmonitoringofsedimentsamples.
3.
Preparationofthematicmapsondrainage,soiltype,landuse,
contours,
villages,
road
network,
geology
in
GIS
environment
.
contours,
villages,
road
network,
geology
in
GIS
environment
.

PreparationofbasemapofKodarreservoirincludesrivernetwork
andreservoir.

Generationofthematicmapsofcatchmentarea,contour,soils,
landuse
,
g
eolo
gy,
roadandrailnetwork
,
villa
g
esetc.and
,
ggy,
,
g
developmentofDigitalElevationModelinGISenvironment.
4.Estimationofrevisedreservoircapacityusingremotesensing
technique
METHODOLOGY
technique
.
Determinationofrevisedwaterspreadareasatdifferentelevationsby
digitalimageanalysisofremotesensingdata.
Estimationofrevisedcapacityandcomputationoflossesatdifferent
levels
levels
5.Applicationofsedimentpredictionmodel.
Analysisofhydro-meteorological,dischargeandsedimentsamples.
Applicationofsuitablesedimentyieldmodel.
6
Prioritization
of
catchment
area
based
on
soil
loss
using
6
.
Prioritization
of
catchment
area
based
on
soil
loss
using
geomorphologicalcharacteristics,UniversalSoilLossEquation
(USLE)andsedimentyield.
Determinationofpresentlandusesinthecatchmentareafrom
remotesensin
g
dataandestimationofsoillossfromvarioussub-
g
catchmentsusingUSLEmodel
Determinationgeomorphologicalcharacteristicsofsub-catchments.
Determinationofsedimentyieldusingsuitablemodelfromsub-
catchments.
Prioritizethesubcatchmentsconsideringthepresentstateofstress
andenvironmentaldegradation.
7.
Impactassessmentanalysisonsedimentationandrunoffdueto
degradation
in
the
catchment
METHODOLOGY
degradation
in
the
catchment
.
Suggestionforsuitablemeasuresofsoilconservationinthe
catchmentarea.
Analysisofimpactofsuggestedmeasuresonsediment.
8.
Preparationofcatchmentareatreatmentplan.
Developmentofmanagementplanforthecatchmentareaconsisting
ofpriorityareas,extentoferosion,suitableconservationmeasures
andthei
r
effectonerosionfromthecatchmentandcatchmentarea
treatmentplan.
WORKPLAN
WORK

PLAN
WaterResourcesDepartment,Govt.ofChhattisgarh,

Hydrological and hydro-meteorological data collection and preparation of
Water

Resources

Department,

Govt.

of

Chhattisgarh,

Raipur
inventory.

Upgradation of gauging and sediment sampling sites.

Monitoring of hydrological and hydro-meteorological data.
Pidlifhdlildhd
tlildti

P
rocess
i
n
g
an
d
ana
l
ys
i
s o
f

h
y
d
ro
l
o
gi
ca
l
an
d

h
y
d
ro-me
t
eoro
l
o
gi
ca
l

d
a
t
a us
i
n
g

statistical methods, SWDES and HYMOS.

Generation of various thematic maps using GIS.

Evaluationofsoilproperties.
Evaluation

of

soil

properties.

Development of catchment area treatment plan.

Interim report preparation (yearly) and final report submission.

Dissemination of knowled
g
e
,
findin
g
s and a
pp
lication of the mana
g
ement
p
lan to
g,gppgp
field engineers and common people through preparation of Manual, leaflets,
booklets and by organizing workshops.
WORKPLAN
WORK

PLAN

NationalInstituteofHydrologyRegionalCentre
Thiltfitifdtddtt
National

Institute

of

Hydrology
,
Regional

Centre
,
Sagar

T
ec
h
n
i
ca
l
suppor
t

f
or mon
it
or
i
n
g
o
f

d
a
t
a an
d

d
a
t
a procuremen
t
.

Assessment of present land use using remote sensing data and GIS for the
catchment area.

Estimation of soil loss from the catchment.

Assessment of sedimentation in the reservoir.

Development of sediment prediction model.

Prioritization of environmentally stressed areas in the catchment.

Impact assessment analysis on sediment yield.
TIME SCHEDULE
First Year
Datacollectionandpepaationofinento

Data

collection

and

p
r
epa
r
ation

of

in
v
ento
ry.

Upgradation of gauging and sediment sampling sites.

Monitoring of hydrological and hydro-meteorological data.

Processing and analysis of hydrological and hydro-meteorological data

Generation of various thematic maps usin
g
GIS.

Interim report preparation (1st year).
SecondYear
Second

Year

Monitoring of hydrological and hydro-meteorological data.

Processing and analysis of hydrological and hydro-meteorological data

Evaluation of soil properties.

A
ssessment of present land use usin
g
remote sensin
g
data and GIS.

Assessment of reservoir sedimentation.

Estimation of soil loss from the catchment.

Interim re
p
ort
p
re
p
aration
(
2nd
y
ear
)
.
ppp(y)
TIME SCHEDULE
Third Year

Monitorin
g
of hydrolo
g
ical and hydro-meteorolo
g
ical data.

Processing and analysis of hydrological and hydro-meteorological data

Estimation of soil loss from the catchment

Development of sediment prediction model.

Dissemination of knowledge and findings to field engineers and common
people by organizing workshops.
Vlidtifditditidl

V
a
lid
a
ti
on o
f
se
di
men
t
pre
di
c
ti
on mo
d
e
l
.

Prioritization of environmentally stressed areas.

Development of catchment area treatment plan.
Impactassessmentanalysisonsedimentyield

Impact

assessment

analysis

on

sediment

yield
.

Dissemination of knowledge and findings to field engineers and common
people by organizing workshops.

Fin
a
l r
epo
r
t

sub
mi
ss
i
o
n.
aepotsubsso
BUDGET ESTIMATION (YEAR WISE) FOR WATER
RESOURCESDEPTTCHHATTISGARH
Investment Cost
RESOURCES

DEPTT
,
CHHATTISGARH
Items1
st
Year2
nd
Year3
rd
YearTotal
Consultancy support--200000200000
Procurement of software and
dataacquisition
100000100000-200000
data

acquisition
Civil works-200000200000400000
Equipment300000100000400000
Trainingworkshopandcourses
--
100000
100000
Training

workshop

and

courses
100000
100000
Total 100000600000600000130000
Recurrent Cost
Items1
st
Year2nd Year3
rd
YearTotal
Incremental O&M costs-8000090000170000
Incremental staff costs 50000300000300000650000
(includin
g
travel)
Total (Rs.)50000380000390000820000
BUDGET ESTIMATION (YEAR WISE) FOR NIH, RC, SAGA
R
Investment Cost
Items1
st
Year2
nd
Year3
rd
YearTotal
Consultancy support----
Procurement of software and
dataacquisition
20000050000-250000
data

acquisition
Civil works----
Equipment100000100000-200000
Trainingworkshopandcourses
----
Training

workshop

and

courses
Total 300000150000-450000
Recurrent Cost
Items1
st
Year2nd Year3
rd
YearTotal
Incremental O&M costs----
Incremental staff costs
(includingtravel)
100000300000300000700000
(including

travel)
Total (Rs.)100000300000300000700000
Skilled Person:Assistance in data collection, data analysis, compilation, field visits
TOTALBUDGET
TOTAL

BUDGET
WATER RESOURCES DEPTT, CHHATTISGARH
Items1
st
Year2nd Year3
rd
YearTotal
Total Investment & recurrent Cost1500009800009900002120000
Contingency (5%)750049000495000106000
S
S
ub-total157500102900010395002226000
Overhead charges (20%)---
Total (Rs.)157500102900010395002226000
GrandTotal(Rs.)
157500
1029000
1039500
2226000
Grand

Total

(Rs.)
157500
1029000
1039500
2226000
Items1
st
Year2nd Year3
rd
YearTotal
NIH, RC, SAGAR
Total Investment & recurrent Cost
4000004500003000001150000
Contingency (5%)20000225001500057500
Sub-total
4200004725003150001207500
Ohdh(20%)
O
ver
h
ea
d
c
h
arges
(20%)
---
Total (Rs.)
4200004725003150001207500
Grand Total (Rs.)
4200004725003150001207500
EXPECTED OUTCOMES

Revisedelevation-capacitycurveforthereservoir.

Sedimentmodelingmaybehelpfultoassesstherelationshipbetweensilt
loadwithhydrologicalandmeteorologicalparameters.

Thisresultsofthemodelingstudymaybeextendedtootherprojectsand
design
of
new
projects
in
Chhattisgarh
state
design
of
new
projects
in
Chhattisgarh
state
.

Causesofenvironmentaldegradationintheregion.

Theconservationmeasuressuggested,ifimplementedwillenhancethelife
ofreservoi
r
andirri
g
ationefficiencies.
g

Theawarenessprogramsupportedwithscientificstudywillencouragethe
localfarmersandotherfieldagenciesforimplementationofconservation
measures.


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塞












若


ョ




塞






ウ









オョﵰ拾拾
省ョ說ﵥ
TARGETEDBENEFICIARIES

Water Resources De
p
artment
TARGETED

BENEFICIARIES
p

Agriculture Department

Command Area Development Authority

Forest Department

Water Users Association

Farmers