Study of Maintenance Requirements and System Upgrading of Narayani Lift Irrigation System (Pumping Station-A)
Project: Narayani Lift, Khageri Irrigation Project
Assignment: Study of Maintenance Requirements and System Upgrading of Narayani Lift Irrigation System (Pumping Station-A)
Location: Chitwan District
Client: Ministry of Physical Infrastructure Development, Narayani Lift, Khageri Irrigation Management Office
Duration: November 2020 to February 2021
Project Description: Narayani Lift Irrigation System (NLIS) having command area of 4,700 ha. is one of the lift irrigation systems of Nepal, which provides irrigation to the upper terraces of Narayani River in the vicinity of Bharatpur Metropolitan. NLIS has two staged pump and two canal systems: canal-B and canal-C. The link canal which joins pump house-A and pump house-B is 500 m in length. The main canal-B bifurcates just upstream of pump house-B while pump house-B lifts water to canal-C. The canal-B system irrigates to 2,400 ha of land in middle terrace through a 19.50 km long main canal and 9 numbers of branch canals. The canal-C system irrigates to 2,300 ha of land in upper terrace through a 16.50 km long main canal and 7 numbers of branch canals. The system was developed up to command area level with tertiary canals to serve an irrigation block of about 100 ha.
Scope of Services:
1. Detail technical review on report that was prepared for modernization of Narayani Lift Irrigation System;
2. Comparison of modernization options either with replacing existing Vertical Mixflow (VM) pump-motor set and accessories with new one or other suitable new technologies pump-motor based on the site condition and nature of pumping water;
3. Preparation of Details report including recommendation of best modernization option, Detail specification of each electro- mechanical components, Automation and SCADA technology for Instrumentation-Controlling and cost estimation;and
4. Study of previous Bid document prepared for the modernization of Narayani Lift Irrigation System and further recommendation to client regarding procurement process/ Method.