135/MID/AN

Repair to 4 cusec discharge 60m Head H.C pump no. 01 installed at LIS Seripalai De-coupling of pump from the motor and removing the top cover extraction of shaft and impeller assembly together with bearing bracket and shifting to workshop by using manual labour and mechanical transport. Complete dismantling of impeller assembly . Repairs to pump shaft at damaged spots and rebuilding of impeller using good quality electrodes. Turning/machining of rebuild impeller and pump shaft on lathe machine for proper size. Providing/ fitting of DE and NDE bearings(6310- 2nos.), bushes (2nos) in lieu of worn out ones.. Re-assembling of impeller shaft assembly and shifting back to site and there after lowering at proper position, placement of oil seal and closing the top cover along with P/F new nuts and bolts and studs coupling with motor. P/F of gland packing etc.and testing on load .. The Job includes cost of material, labour(skilled and unskilled) loading charges hire charge of tool and tackles To and transportation charges. Complete job

Repair of the damaged / leaking sections of 350mm dia MS Rising Main at 04no. spots at the site of LIS Seripalai. Job involves cleaning the site of repair and excavation of 1-No.trench of size (1m wide , 1.5 m deep and 1.5 m in length) and 3-No.trench of size (1m wide , 1 m deep and 1 m in length) in order to fully expose circumferential surface of the damaged sections of the rising main and to facilitate trouble free execution of cutting, welding works. Job involves thorough cleaning of M.S pipe at leaking sections by using wire brush for smooth execution of work. Repairs to the damaged portion ( 1 no.) way of replacement of damaged pipe ( 1mtrs. in length) with new MS pipe of 350 mm by way of circumferential welding of pipes with IS marked MS welding rods of the high quality and reliability to fill the V-groove between the pipes Repairs to the damaged portions ( 3-nos.) of the Rising main by way of welding of leaking sections in double layers from all around and providing / welding of M.S plate collar (suitable thickness) as overlap joint for strengthening. Welding with one root layer and two additional layers with 3.14 mm and 4mm I.S marked M.S welding electrodes to fill the grooves between the pipe and (overlap joint) collar, welding to be done by specialized skilled workman , handling with proper tools , tackles, employing semi-skilled workman and suitable tools /tackles. The weld should be spurt and gap free and to be done with good quality electrodes and slag material to be chipped off. Testing of rising mains for any leakages and thereafter complete filling and leveling /dressing of the pit. Complete job includes cost of material, hire charges of welding set and diesel generator set, labour charges, manual handling, transportation charges and hiring charges of tools and tackles. Complete Job

Repair of 120 HP oil immersed star delta starter of pumping Unit No. 1 installed at site of LIS Seripalai by complete replacement of worn out G.M nuts and washers, copper fingers, contacts, (moving and fixed) as per sample. Replacement of tripping coil as per the required capacities Topping up of 10 T.oil ( 10 ltrs. Approx.).Replacement of damaged copper thimbles of cables by p/f of new thimbles duly crimped and taped. Connecting power supply & testing on load. Complete job includes the cost of material, labour charges and other misc. charges at site. Complete Job

Repair of 135 HP oil immersed star delta starter of pumping Unit No. 2 installed at site of LIS Seripalai by complete replacement of worn out G.M nuts and washers, copper fingers, contacts, (moving and fixed) as per sample. Replacement of damaged copper thimbles of cables by p/f of new thimbles duly crimped and taped. Connecting power supply & testing on load. Complete job includes the cost of material, labour charges and other misc. charges at site. Complete Job

PERFECT ELECTRICAL WORKS

G S ENGINEERING WORKS