RESERVOIRUPPER_NIRAR
PHOTO
DISTRICTCOIMBATORE
TALUKPOLLACHI
TOWNPOLLACHI
GIS-LOCATIONLAT:10d17'00"-N; LONG:77d01'00"-E
GENERAL HISTORYRIVER-NIRAR; BASIN-ALIYAR; PERIOD OF CONSTRUCTION-1970 TO 1975; COST-Rs.105.00 LAKHS
HYDRAULIC PARTICULARSCATCHMENT AREA- 75.11SQ.KM; DESIGN FLOOD-1069.36 CUMECS; FRL-1158.24M; MWL-1158.24M; WATER SPREAD AREA AT FRL-0.08SQ.KM ; CAPACITY AT FRL-1.10Mcum
DAM DETAILSTYPE- MASONRY DAM ; TOP OF ROAD WAY-1159.76M; MAXIMUM HEIGHT-25.91M; LENGTH OF MASONRY DAM- 132.59M.
SPILLWAY DETAILSVENTS- 4x9.75x4.57M; CREST-1153.67M; RADIAL GATES; DISCHARGE CAPACITY-1069.36 CUMECS
RIVER SLUICE DETAILSVENTS- 2x1.52x1.83M; SILL-1139.95M; DISCHARGE- 76.97 CUMECS;
CANAL SLUICE DETAILSWATER IS TAKEN TO SHOLAYAR THROUGH AN UNLINED HORSE SHOE TUNNEL 4287M LENGTH. FROM THERE TAKEN TO ALIYAR AND THIRUMURTHI RESERVOIR FOR IRRIGATION THROUGH PARAMBIKULAM AND SIRKARPATHY POWER HOUSE.
AYACUT DETAILSNO DIRECT AYACUT