Tochi Irrigation Scheme Infrastructure & Facilities - Oyam
Main Components and Physical sizes
(1.50Kms length x 6.3m Height): Zoned earth fill with Clay, Gravel, Sand filters, Stone riprap protections and turfing.
80.0M length Ogee weir – Spillway with U/s and D/s aprons.
Two (2) Water intake structures on Dam embankment.
Secondary canals and associated structures – 9.80KMS lined canal with Cross regulators, Turnouts and Crossing bridges.
Tertiary, Quadrant canals and associated structures – 32.00KMS Unlined canals with Turn out structures, Drop structures and Outfall structures.
Secondary, Tertiary drains and associated structures – 33.20KMS of Unlined Drains with Drop structures, Pipe culverts and cross bridges.
42.10KMS of roads including culvert crossings and side drains.
1.20KMS of FPD with blended materials and river dredging at Spillway tail channel and Tochi River.
Various size of steel Sluice gates and Concrete gates for Tertiary turnouts.
50.30KMS of roads including culvert crossings and side drains.
Includes Store, Office block, Residence blocks, Sanitation blocks, Guard houses and General civil works.