RALLAPADU PROJECT

Background and Preamble

This Project was constructed across Manneru River during the year 1951 to 1958 near Rallapadu village, Lingasamudram mandal of Prakasam district. The longitude and latitude of this project are 79° 42'€™30"€ and 15° 02'€™ 30"€. The catchment area of this project is 2202 Sqkm, reservoir capacity is 1105.328 Mcft (31.30 MCum). The proposed utilization of this project is 2000 Mcft. The ayacut contemplated under this project is 16000 Acres. The left canal is of 2.8Km length & irrigates 1500 Acres ayacut. The right main canal is for a length of 20.14Km & it irrigates 14,500 Acres ayacut. There is an old spillway with 10No'€™s vertical gates with size 12.19 X4.57 M. There is a new spillway with 5 Nos radial gates of size12.19X7.62 M. The TBL & FRL of project is +45.415 M & +41.15 M respectively.

The mandals benefitted out of this project are Kondapur mandal of Nellore district, Lingasamudram & Guduluru Mandals of Prakasam district. The Assembly Constituency of this project is Kandukur. There are 6 No's of Water Users Association and one Project Committee was formed. During operation in pre-monsoon period, old spillway Gate no. 1&3 got snapped and counter weights fallen & damaged. The repair work was completed on 27-01-2009.

There is a gap ayacut of 3,400 Acres under this project. Hence modernization of this project is proposed under JICA loan assistance with an amount of Rs. 23.00 crores. Improvements to head works, C.C lining for main canal and branch canals along with repairs / reconstructions of CD/CM structures are proposed.

Government have accorded permission to take up modernization with concurrence of JICA. Rallapadu Project is taken up for modernization with JICA Loan Assistance under APILIP. Government have accorded administrative approval for Rs.2300.00 lakhs and technical sanction is also accorded. The tenders are being called for.

Salient Features
Location : This Project is constructed across The Manneru River During the year 1951 to 1958 and Located in Rallapadu village, Lingasamudram mandal of Prakasam district.
Basin : Manneru river basin
Longitude : 79° 42' 30"
Latitude : 15° 02' 30"
Distance from Village/Town : Nearly 420 Km from Hyderabad and 45 Km from singarayakonda.
Catchment area in Sq.Km : 2202 Sqkm
Reservoir Capacity : 31.30 Mcum (1105.328 Mcft)
Utilization : 2000 Mcft
Ayacut :
Contemplated : 16000 Acres
Registered : 12600 Acres
Under Left Main Canal: 2.8Km :
Vent Size & Nos : 0.91X1.52 M, 1 No
Sill level : +35.80 M
Discharge in cumecs : 30 Cumecs
Ayacut : 1500 acres
Under Right Main Canal: 20.141Km :
Vent Size & Nos : 1.52X1.83 M, 1 No
Sill level : +34.43 M
Discharge in cumecs : 220 Cumecs
Ayacut : 14498 Acres
Maximum Flood Discharge : 3029 Cum
Spillway Details
Old Spillway gates : 10No’s,12.19 X4.57 M
Additional Spillway gates Type, Size &Nos : Radial gates, 5 No's & 12.19X7.62 M
Crest Level : +35.05 M
TBL : +45.415 M
FRL/MWL : +41.15 M / +43.89 M
Mandals benefited : Kondapur mandal of Nellore district, Lingasamudram, Guduluru Mandals of Prakasam district.
Assembly Constituency : Kandukur
Parliament Constituency : Nellore
Source of Funding (at the time of project construction)
Total Project cost : 2764 lakhs
Funding arrangements : Nabard- RIDF-II
Present Status of Work

Rallapadu project is taken up for modernization with JICA loan assistance to bridge the gap ayacut. Government have accorded administrative approval for Rs.2300.00 lakhs and technical sanction is also accorded. The tenders are being called for

Program For 2011-12

The tenders are being called for. The modernization work will be started after concluding the agreement.

Land Acquisition : Nil
Budget & Expenditure (2011-12 UP TO 03/2011):
Budget for 2011-12 : Rs. 20.00 lakhs
Expenditure up to 03/2011 : 10.31 lakhs
Index Map