Design and Development of Walk-In Type Hemicylindrical Solar Tunnel Dryer for Industrial Use

Table 3

Detail of the costs of solar tunnel dryer.

S. N.	Item	Quantity	Cost (US$)
(1)	Galvanized Iron pipe 15 mm class B	200 m	450.00
(2)	Galvanized Iron pipe 25 mm class A	50 m	178.00
(3)	Exhaust fan with automatic one humidity controller	One	150.00
(4)	Metallic door	One	120.00
(5)	200 micron UV-stabilized polythene sheet	200 m^2	245.00
(6)	Pucca floor with black paint	78.75 m^2	450.00
(7)	Insulation inside the floor	5 cm thick	225.00
(8)	MS sheet sandwich with insulating material for north wall	32.97 m^2	350.00
(9)	Metallic chimney with stand		115.00
(10)	SS trays cum trolley for drying material	100 m^2	556.00
(11)	Skilled labour for fabrications	30 man days	126.00
(12)	Miscellaneous (G.I. wires, cross bar, nut bolt, cable, wire, etc.)	—	90.00
Total cost of installation			3055.00