MID/AN/170

Dismantling of the 10 cusec discharge 18 mtr head HC pump ( 6 ft x3.5 ft x3.0 ft) at lift irrigation station Manda-I by way of demounting the pumping machinery from the bed plate after removing the pump, motor ,electric connections, coupling pulleys, suction and delivery pipes and finally removing the base frame . Breaking the damaged RCC foundation block with the help of chisel, concrete cutter , electric jack hammer , tools/tackles. Cutting of steel members with the help of cutter stepwise during the process of breaking the RCC block and stacking. Completely removal of broken concrete, soil and TMT bars from pump room in such way that the machinery and electric equipments of other pumping machinery are not damaged /effected. Disposal of salvage/debris of dismantled foundation away from pump room to such a place where irrigation land and water source is not polluted. Laying of new RCC foundation block of size – 6 ft length x 3.5 ft width x 3.0 ft depth by way of making surface even for laying of new RCC foundation block. Fabrication of steel mesh out of 10 mm TMT bars members placed vertically and horizontally at equidistance of 6 inches. Laying of 6 inch concrete base at the bottom to level the surface . Placing of fabricated iron mesh in foundation pit and leveling / aligning it with pumping unit. Fabrication and grouting of 8 no. foundation bolts of size 3 ft in foundation block . Laying of RCC foundation block of size 6 ft x 3.5 ft x 3 ft by filling the concrete in the ratio of 1:1.5:3. The size of the block above the ground level should be of original size and alignment in respect of suction and delivery pipes. The block shall be filled with rich mixture of concrete with using vibrator for compaction. The entire block as one unit is to be laid in such a way that it can damp all types of mechanical vibrations created by dynamic load of pumping unit without causing any defect to the pumping unit as well as to the block itself. Fixing of the base frame after leveling and fastening with foundation bolts . Complete job includes cost of material such as cement , sand, steel gravel , shuttering charges, charges for concrete mixture , vibrator charges and labour charges of skilled as well as semi skilled labour , curing charges. The material has to be carried to Lift irrigation station from crusher . Providing, fitting, installation, testing and commissioning of raw water 10 cusec discharge x 18 mtr head pump with motor , coupling pulley and base frame at lift irrigation station Manda-I. The Job includes shifting of pumping unit to Lift irrigation station Manda-I by mechanical transport . Unloading of pumping unit at the site of Lift irrigation station and then shifting the same inside the pump room manually. Fitting and installation of 10 cusec discharge x 18 mtr head pump with motor , coupling pulley and base frame on the foundation bolts of the newly laid foundation with the help of nuts, bolts and washers. Job includes modification in suction and delivery pipe as per site condition. Fastening of the MS suction pipe and delivery pipe to the suction and delivery side of pump by using nut,bolts,washers and rubber packing . Checking the alignment with the help of tools and tackles Making of electrical connections to the motor . Priming the newly installed pumpset and testing of the pumping unit on load ,Complete Job includes cost of material , consumable, handling loading, unloading , transportation charge , labour charges for both skilled/semiskilled labour and hiring charges for crane , tripod stand , tools and tackles required during the execution of the job at site. Recommended make of pump:-Any reputed make as per IS standards. Type of Pump :- Mixed flow, split casing pump Type of water-: cold water, silt laden,raw water(fresh raw water) . Recommended make of Motor:- Three phase induction motor 100 HP rating compatible with Pump of any reputed make as per IS standards. Material of construction :- 1. Impeller- Cast iron 2. Pump Shaft - Stainless steel 3. Wearing Ring - Cast iron 4. Pump casing - Cast iron 5. Base frame – Mild steel. 6. Gland- Cast iron

GANPATI ELECTRICAL AND MECHANICAL WORKS

SUNIL KUMAR SURI CONTRACTOR