Service Contract No 2007 / 147-446 - Swaziland

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Filters: 3%Capital Recovery Rate (CRF)factors:Volume water applied per hectare:SEB tariff – Consumption:Maximum demand:Efficiency of pumping plant(See attached table)9000mI\3/ha/annum0.22 E/kWh69.42 E/kVaCalculate at design duty pointEAC COMPUTATION MATRIXThese costs have been calculated only for Phase One of theProjectITEM COST ITEM Main Bid1 Infield irrigationCapital cost (E) -Useful life (years) 10Annual maintenance (%) 3EAC of infield irrigation (E) -2 Distribution systemCapital cost (E) -Useful life (years) 20Annual maintenance (%) 2EAC of Distribution system (E) -3 Pumping plantCapital cost (E) -Useful life (years) 15Annual maintenance (%) 1EAC of Pumping plant (E) -4 FiltersCapital cost (E) -Useful life (years) 15Annual maintenance (%) 3EAC of Filters (E) -5 Annual Energy Cost (E) 226,207.26Total EAC (E) -Energy cost as a % of total EAC -Maphobeni Farmers Association Report - 2009 Page - 29 -
EAC COMPUTATION MATRIXThese costs have been calculated only for Phase Two of theProjectITEM COST ITEM Main Bid1 Infield irrigationCapital cost (E) 1,080,800.00Useful life (years) 10Annual maintenance (%) 3EAC of infield irrigation (E) 208,594.402 Distribution systemCapital cost (E) 1,440,040.00Useful life (years) 20Annual maintenance (%) 2EAC of Distribution system (E) 197,285.483 Pumping plantCapital cost (E) 173,040.00Useful life (years) 15Annual maintenance (%) 1EAC of Pumping plant (E) 24,398.644 FiltersCapital cost (E) -Useful life (years) 15Annual maintenance (%) 3EAC of Filters (E) -5 Annual Energy Cost (E) 404,175.63Total EAC (E) 430,278.52Energy cost as a % of total EAC 93.93For sprinkler irrigation a 40% EAC value is accepted. A higher and a lower figure indicatesover design and under design respectively4 . 3 S u p p l y S y s t e mThe evaluation of the supply system is discussed under the following headings;Maphobeni Farmers Association Report - 2009 Page - 30 -
Page 1 and 2: Restructuring and DiversificationMa
Page 3 and 4: DISCLAIMERThe contents of this repo
Page 5 and 6: 5.2 Delivery tests ................
Page 8 and 9: LIST OF APPENDICESAppendix 1: SEB u
Page 10 and 11: 1 I N T R O D U C T I O NAssociatio
Page 12 and 13: pumps. 2 x Howden 100-400 in the ri
Page 14 and 15: 3.1.2 R e v i e w o f C o n t a c t
Page 16 and 17: 9 SCHEDULE OF BLOCKS THAT IRRIGATE
Page 18 and 19: Maphobeni Farmers Association Repor
Page 24 and 25: Based on equation 1 above the flow
Page 26 and 27: ReducersThe inlet on the pump sucti
Page 28 and 29: d1.5d0.5dd3d 3d 1.5dFigure 9. Spaci
Page 30 and 31: hf6375kQ4d2……………………
Page 32 and 33: Table 1. Pump and motor specificati
Page 34 and 35: Table 2. Irrigation pumps evaluatio
Page 36 and 37: Phase two river pump station‣ Pum
Page 40 and 41: 4.3.1 M a i n l i n e s i z eThe So
Page 42 and 43: 5 F I E L D E V A L U A T I O N O F
Page 44 and 45: 5.1.2 S p r i n k l e r p r e s s u
Page 46 and 47: 0 L/4 L/2 3L/4 LL3L/4LL/2Test block
Page 48 and 49: Phase two booster Pumps running und
Page 50 and 51: The installation of this unit (on t
Page 52 and 53: Old AgePhase one of the irrigation
Page 54 and 55: The effects of different nozzles/em
Page 56 and 57: Interest RatesIt can be argued that
Page 58 and 59: 6 . 2 M a n a g e m e n t P r a c t
Page 60 and 61: 6 . 3 M a i n t e n a n c e S u r v
Page 62 and 63: 7 C O N S T R A I N T S T O E F F I
Page 64 and 65: phase one and two was found to be 1
Page 66 and 67: 8 R E C O M M E N D A T I O N STo e
Page 68 and 69: OVERALL MANAGEMENT AND MAINTENANCEM
Page 70 and 71: 10 L I T E R A T U R E R E F E R E
Page 72 and 73: 11 P R O D U C T I N F O R M A T I
Page 86 and 87: SEB usage for River pump station Ph
Page 88:
Appendix 2: capital recovery factor
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Service Contract No 2007 / 147-446 - Swaziland

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