project report on tank prefianl
DESCRIPTION
my btech project pptTRANSCRIPT
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PLANNING AND DESIGN OF MINOR IRRIGATION TANK ACROSS KAMPINEELA VANKA,NEAR KOTHA VEPAKUPPAM VILLAGE,
RAMACHANDRAPURAM MANDAL, CHITTOOR DISTRICT, ANDHRAPRADESH.
BYM.DHANRAJ(106204)
K.GIRISHKUMAR(106206) B.MADHULATHA(106209)
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LIST OF CONTENTS
5
INTRODUCTION1
2
3
4
RESERVOIR PLANNING
GEOTECHNICAL INVESTIGATIONS
ESTIMATION AND COSTING
DESIGN OF EARTHEN EMBANKMENT
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IRRIGATION
Irrigation is the process of supplying of water to land by artificial means for the purpose of cultivation.
CLASSIFICATION OF PROJECT
Major irrigation project Above 10000ha
Medium irrigation project Between 2000 to 10000ha
Minor irrigation project Below 2000ha
LOCATION
Kampineela vanka,near Kotha Vepakuppam village,Ramachandrapuram mandal, Chittoor district, Andhra Pradesh.
PURPOSE AND SCOPE OF PROJECT
This minor irrigation tank is proposed to meet the demands of farmers and to use the available resources efficiently.
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INVESTIGATIONS FOR RESERVOIR PLANNING
ENGINEERINGSURVEY
GEOLOGICAL
CONTOUR
MAPS
HYDROLOGICAL
GEOTECHNICAL
INVESTIGATIONS
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INVESTIGATIONS
1
Catchments areaCatchments area
Free catchments Free catchments ==2.098sqkm2.098sqkm
• Intercepted catchments Intercepted catchments = = NilNil
• Nature of catchments Nature of catchments = = GoodGood
2
• Quantity of water available Quantity of water available in the riverin the river• Dependable flows Dependable flows • Storage capacity of River Storage capacity of River and its levels and its levelsCollection of data Collection of data HYDROLOGICHYDROLOGIC CROP DETAILSCROP DETAILSComputation of runoffComputation of runoff
3
Casing soil
Hearting Soil
Foundation soil.
ENGINEERINGSURVEY HYDROLOGICAL GEOTECHNICAL
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CATCHMENT AREA MAP
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CONTOUR MAP
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Yield Of The River
From the computed runoff 75% dependable yield of the basin is From the computed runoff 75% dependable yield of the basin is determined determined From flow duration curveFrom flow duration curve75%dependable yield of the 75%dependable yield of the basin=0.315M.cumbasin=0.315M.cum
Computation Of DemandComputation Of Demand
Crop water requirements in both Kharif and Rabi Crop water requirements in both Kharif and Rabi seasons are seasons are computed by Modified Penman method. computed by Modified Penman method.
Monthly potential evapotranspiration at Arogyavaran metrological Monthly potential evapotranspiration at Arogyavaran metrological station are used forcomputing the irrigation demand.station are used forcomputing the irrigation demand.
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FLOW DURATION CURVE
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COMPUTATIONAL PROCEDURE
COMPUTATIONAL PROCEDURE
Consumptive Irrigation Requirement (CIR) =ET
Net irrigation Requirement (NIR) =CIR-Re
Field Irrigation Requierment (FIR) = NIR/ηa
Gross Irrigation Requierment (GIR) = FIR/ηc
where , ηa = Application Effciency and ηc = Conveyance Efficiency
Demand in Kharif season = 0.1536M.cum
Demand in Rabi season = 0.0908M.cum
Total demand = 0.2444M.cum/year
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RAINFALL CURVE -SEPTEMBER
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RAINFALL CURVE -AUGUST
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RAINFALL CURVE -OCTOBER
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RAINFALLCURVE -DECEMBER
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CROP WATER REQUIREMENTS
Crop : Groundnut Field efficiency :80%Period :120days Conveyance efficiency : 85%Ayacut : 80 hectaresSeason : Karif
MODIFIED PENMAN
Crop : Hybrid sajja Field efficiency :80%Period :90days Conveyance efficiency : 85%Ayacut : 80 hectaresSeason : Rabi
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FLOW MASS CURVE
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STORAGE CAPACITY AT DIFFERENT WATER SURFACE ELEVATION
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STORAGE CAPACITY
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GEOTECHNICAL INVESTIGATIONS
Liquid limit and plastic limit Sieve analysis
Proctors compaction
Permeability
Triaxial compression
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LIQUID LIMIT TEST
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HEARTING SOIL
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FOUNDATION SOIL
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SIEVE ANALYSIS
Coefficient of Uniformity Cu = 6.67 Coefficient of Curvature Cc = 1.1 Since Cu > 6 and Cc lies between 1 and 3, SW – Well graded Sand.
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SOIL CLASSIFICATION
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FOUNDATION SOIL
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STANDARD PROCTOR’S COMPACTION TEST
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HEARTING SOIL
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FOUNDATION SOIL
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TRIAXIAL COMPRESSION TEST
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HEARTING SOIL
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FOUNDATION SOIL
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Design of preliminary section
Seepage analysis
Introduction
Determination of seepage flow net
Computation of seepage
Stability analysis
Introduction
Computations for stability analysis
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SEEPAGE ANALYSIS
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STABILITY ANALYSIS
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SURPLUS WEIR
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TANK SLUICE WITH TOWER HEAD
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ESTIMATION
11DETAILED AND ABSTRACT ESTIMATE OF EARTHEN BUND
22DETAILED AND ABSTRACT ESTIMATE OF SURPLUS WEIR
33. DETAILED AND ABSTRACT ESTIMATE OF TANK SLUICE WITH A TOWER HEAD
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S.No Quantity Description of work Rate Per Amount (Rs)
1 LSClearing light jungle along the bund, etc
6000
2 11940Earthwork excavationFor stripping soils 33.35 Cum 397005
3 1350Earthwork excavation for toe wall and toe drain 45.13 Cum 60926
4 1690 Earthwork excavation for cutoff 45.13 Cum 76270
5 4260Earthwork excavation for hearting soils
182.20 cum 776172
6 608Rough stone dry packing for revetment300mm thick 501.30 Cum 304791
7 558Gravel backing underRevetment 0.30m thick 289.15 Cum 617046
8 53Spreading gravel on top of bund 150mm thick 199.48 Cum 10573
9 1444Laying horizontal and vertical sand filters
210.20 Cum 303529
10 34300mm thick graded metal 25mm to 50mm size 601.40 Cum 20448
11 259 Rock toe using 225mm tick 390.40 Cum 101114
12 89 225mm thick rough stone for toe drain 478.15 Cum 42556
13 LSProvision for bailing out water in excavation of cut off, etc 10000
14 LSProvision for removal of surface boulders,etc 10000
15 LS Provision for forming ramps 10000
16 LS Provision for rounding off 2603Total 2743033
ABSTRACT ESTIMATE OF EARTHEN BUND
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S no QuantityDescription of work
Rate PerAmount
(Rs)
1 268cum
Earthwork excavation in all soils by machine and depositing spoil within 5m radius for foundations
16.70 Cum 4475.60
2 156cum
Laying CC(1:6:10) mix using 40mm size HBG metal for foundations
1414.20
Cum 220615.2
3 7.92cum
Laying wearing coat with CC(1:2:4) mix using using 20mm size HBG metal for body wall
2371.80
Cum 187846.656
4 202cumConstruction of RR masonry in CM(1:5)
1284.50
Cum 259469
5 14.62cum
Laying CC(1:3:6) mix using 50% of 20 mm HBG metal for body wall
2345.00
Cum 34283.9
6 189.1sqm
Plastering the exposed faces of RR masonary in CM(1:4) mix 20mm thick
1040.00
Sqm 196664
7 115cum
Rough stone dry packing for apron using 0.30m thick stone
498.40
Sqm 57316
Total 960671
ABSTRACT ESTIMATE OF SURPLUS WEIR
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S no
QuantityDescription of work Rate Per Amount(RS)
1 80.478
Earthwork excavation in all soils by machine and depositing spoil within 5m radius for foundations
16.70 1cum 1344
2 80.478
Laying CC(1:6:10) mix using 40 mm size HBG metal for foundations
1414.20
1cum 113812
3 9.98
Laying CC(1:3:6) mix using 50% of 20mm HBG metal
2345.00
1cum 23403
4 93.57Construction of RR masonry in CM(1:5)
1284.50
1cum 120191
5 170.08
Plastering the exposed faces of RR masonry in CM (1:4) mix 20mm thick
1040.00
1sqm 176884
6 -LS-Provision towards bank connections 25000
7 -LS-
Provision for arranging plug and arrangements
15000
Total 475634
ABSTRACT ESTIMATE OF TANK SLUICE WITH A TOWER HEAD
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Estimated cost of the earthen bund = Rs. 2743033
Estimated cost of surplus weir = Rs. 960671
Estimated cost of tank sluice with a tower head = Rs. 475634
Total cost of the project = Rs. 4179338
ESTIMATED COST OF THE PROJECT
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CONCLUSIONS
IT IS PROVOKED THAT IRRIGATION PROJECTS ARE ASCERTAINED. THESE ARE HIGHLY VALUED PROJECTS , AND SPECIAL ATTRIBUTE KEEN INTEREST TAKEN BY GOVERNMENT IN CONVEYING WATER TO VILLAGES.
ATTRITUBE TO THIS , IRRIGATION PROJECTS ARE TIME DEPENDENT AND LESS FEASILBLE ECONOMICAL PROJECT , WE HAVE TO WORK UNDER VARIOUS PRESSURES.
REGRADELESS OF THE EFFORTS AND AMBIGUITIES TAKEN IN DOING THIS PROJECT, WE HAD THE PRIVILEGE OF DETAIL LEARNING AND EXPOSURE TO FIELD CONDITION.
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ACKNOWLEDGEMENT
WE ARE THANKFUL TO TIRUPATI IRRIGATION DEPARTMENT , WHO HAVE GIVEN EMANCE INFORMATION IN PUT THIS PROJECT FORWARD
WE ARE DELIGHTED TO THANK PROF P.MALLIKARUJAN . WHO SPARED HIS VALUABLE GUIDELINES AND SPARED THIS VALUABLE TIME.
LAST BUT NOT LEAST , WE ARE EXTREMLY HUMBLEMED TO EXPRESS OUR THANKS TO PROF ARUNA JOYTHI , WHO HELPED US IN ALL THE DIFFICULTS WHICH TEASED US WHILE EXCUTING THIS PROJECT
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