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Agriculture:- Model Bankable Projects in India | Minor Irrigation : Dugwells Part - 3 --- www.nabard.org

Agriculture:- Model Bankable Projects in India


Minor Irrigation : Dugwells Part 3


ANNEXURE- I

Guidelines for Selection of Well Sites

Broad guidelines for financing institutions to enable them to decide upon the suitability (or non-suitability) of the site for new wells are given below :

Guidelines for Location of Wells :
  1. Areas included between two nalas near the confluence having a soil thickness of over 30 cm and weathered mantle of over 5 meters (A weathered mantle comprises of morum, loose sandy material, etc.)

    2.      Alluvial flats close to river or streams.

    3.      Depressions in landscape having more than 30 cm of soil cover and 5 meters depth of weathered mantle.

    4.      On the banks of nalas towards the high ground provided the banks are not clayey.

    5.      Zone of luxuriant, vegetation with leafy plants.

    6.      Old courses of rivers and streams which are represented by presence of sands and gravels.

    7.      Near the sharp bends of the streams or rivers.

    8.      Damp or moist areas.
Wells should not be located in :

1.      Areas where hard rocks are exposed.
2.      Areas adjoining ridges and spurs and within about 50 meters of them.
3.      Areas with a soil cover less than 30 cm.
4.      Areas with a weathered mantle less than 5 meters in depth.

The thinkness of the weathered mantle can be roughly determined by looking at existing wells in the nearby area. If no wells exist, the exposures in nalla beds will give an indication of the depth of weathering.

The above guidelines, if rigidly followed, would minimise the chances of failure of wells and ensure location of wells in the groundwater worthy areas.
 
ANNEXURE-II

CHECK LIST

Minor Irrigation

Groundwater Development Schemes

(To be completed by Bank Officer forwarding the Scheme)
 
Tick in boxes to signify that the relevant information has been furnished in the scheme.
 
1. Name of scheme :
2. Scheme location :
3. Area - geographical area, cultivated area and area irrigated by different sources :
4. IMD normal rainfall :
5. Geological formations
6. Present level of groundwater development giving number of wells, filter points, tubewells, and other structures with unit draft/year for each :
7. Length of canal and distributories with wetted
perimeter and number of days of running in the scheme area :
8. Soil conditions, cropping pattern and crop water requirement :
9. Stage of groundwater development and category of block as indicated by NABARD :
10. Chemical Quality of groundwater :
11. Spacing between different types of minor irrigation works :
12. Groundwater draft per well and total groundwater draft under the proposed scheme :
13. Design of minor irrigation works :
14. Specifications for pumping machinery, diameter of suction and delivery pipes, discharge, total head and HP of pumpset :
15. Cost estimates of minor irrigation works :
16. Area map :
17. Yearwise physical programme and financial outlay :
18. Availability and arrangement for procurement and distribution of material :
19. Financial returns on investments with reference to representative size of holdings in different agro-climatic zones in the scheme area :
20. Lending terms i.e. interest rate, down payment, repayment period, extent of subsidy, etc. :
21. Agency providing crop loan and its adequacy :
22. Supervision and monitoring arrangements :
23. Technical guidance for location of wells, specifications and design, selection of pumpsets, etc. :
24. Availability of extension services :
25. Availability of power /diesel supply :
26. Availability of seeds/fertilizers, pesticides and their distribution :
 
Annexure III

PRE-DEVELOPMENT AND POST DEVELOPMENT INCOME FOR A FARM MODEL OF 4 ACRES (1.6 HA)
 
Techno-Economic Parameters

AcresHectare
Culturable Command Area41.6
Irrigable Command Area41.6
  
Cost (Rs.)  
Civil : a) dugwell37000 
b) pump house7000 
Mechanical : complete pumping system15000 
Total Cost (Rs.)59000 
Margin money @ 5%2950 
Bank Loan56050 
  
Interest on bank loan0.15 
Grace period (years)1 
Annual equated instalments (years)12 
Capital recovery factor for 12 years0.184481 
Diesel charges (Rs. for 783 hrs.)14851 
Horse Power3 
Cost per acre (Rs)14750 
Cost per hectare (Rs)36875 
Land revenue (Rs./ acre) pre-dev2 
Cost of cultivation from borrowed funds0.6 
Interest on borrowed funds0.12 
Land revenue (Rs./ acre) post-dev8 
Repairs & Maintenance  
% of civil works0.025 
% of mechanical works0.03 
 
Annexure IV

Pre and Post-Development Income
 
CropAreaYield/
Acre
Total yieldUnit SaleTotal SaleCost of cultiva
tion/
Acre
Total Cost of cultivationNet income
 (Acres)(Q)(Q)Price Rs.Price
( Rs.)
(Rs.)(Rs.)(Rs.)
   (3x4) (5x6) (3x8) 
2345678910
         
PRE DEVELOPMENT        
KHARIF        
Maize2.52.56.3550343884021001338
Jowar1.52.53.88003000126018901110
RABI        
Gram11.51.59501425885885540
Wheat11.51.58001200790790410
Total6   9063 56653398
Land revenue (Rs.2/acre)8    Net
income (Rs.)
2737 
Interest on borrowed funds (Rs.)653    Net
income/
acre
(Rs.)
684 
         
POST DEVELOPMENT        
KHARIF        
Vegetables1757540030000157351573514265
Groundnut281614502320054301086012340
RABI        
Wheat112128009600472547254875
Hybrid Jowar28165258400219543904010
Summer        
Groundnut19.59.5145013775675067507025
Perennial        
Sugarcane135035072.525375140801408011295
     110350 5654053810
Net income (Rs)53810       
Land Revenue (Rs)32       
ST interest (Rs)7945       
Diesel charges14851       
Repairs & Maintenance        
2.5% of civil works925       
3% of Mech. works450       
Net Surplus29607       
Pre-Development net income2737       
Net Incremental income26870       
Net Incremental income/acre6717       
Interest on Bank loan10340       
Avg. repayment of loan & interest        
per acre2585       
Avg. net income per acre4132       
 
INTERNAL RATE OF RETURN (IRR)

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