Table 3: Detail of the costs of solar tunnel dryer.

S. N.ItemQuantityCost (US$)

( 1 ) Galvanized Iron pipe 15 mm class B200 m450.00
( 2 ) Galvanized Iron pipe 25 mm class A50 m178.00
( 3 ) Exhaust fan with automatic one humidity controllerOne150.00
( 4 ) Metallic door One120.00
( 5 ) 200 micron UV-stabilized polythene sheet200 m2245.00
( 6 ) Pucca floor with black paint78.75 m2450.00
( 7 ) Insulation inside the floor5 cm thick225.00
( 8 ) MS sheet sandwich with insulating material for north wall32.97 m2350.00
( 9 ) Metallic chimney with stand115.00
( 1 0 ) SS trays cum trolley for drying material100 m2556.00
( 1 1 ) Skilled labour for fabrications 30 man days126.00
( 1 2 ) Miscellaneous (G.I. wires, cross bar, nut bolt, cable, wire, etc.) 90.00

Total cost of installation3055.00