annual maintenance contract of tubewell-amc of tubewells in various municipal community halls in ward no- 221, 222, 224 and 238, 239, 246 under e.e.e-ii shahdara north zone. ; 1 ar items 2 122.2.155. ( b ) :supply, installation, testing and commissioning of cubical type control panel board for single phase & three phasesubmersible pumping set of following rating complete with contactor, relay , mcb , condenser , voltmeter, ammeter and indication lamp etc includingconnections etc as reqd. 1.5 hp ( single phase ) 3 122.2.159:development of tube well with suitable capacity of air compressor i / c lowering of the necessary induction pipe or linei / c cost of fuel, hire charges of compressor etc as reqd. the development shall be considered complete when gravel stop sinking, discharge ceased to improve and the sand contents are not more than 10 ppm after 20 minutes of starting the pump complete as reqd. 4 od6043 / 2023-2024:comprehensive amc ( annual maintenance contract ) for repair and maintenance of tube wells installed at various municipal community halls for depth of 50 meters to 100 meters. cost for one tube wells with submersible p / set etc of upto 1 / 1.5 hp