Providing and fitting of automatic star delta starter of pumping unit no. I along with allied electrical and mechanical works at Lift Irrigation Station Burejal.

Providing and fitting of automatic star delta starter of pumping unit no. I along with allied electrical and mechanical works at Lift Irrigation Station Burejal.

Providing, installation, testing and commissioning of dry type automatic star delta starter of 50 HP at Lift irrigation station Burejal for pumping unit no I, the starter should consists of sheet metal enclosure inclusive of single phase preventer, 3 no’s contactors of 70 ampere rating, conforming to IS/IEC 60947-4-1 and IEC 60947-4-1 along with auxiliary contacts, over load relay, timer, one number volt meter, one number ampere meter, on / off switch, phase indicators etc. The job includes fitting of starter on wall by way of drilling holes, fitting of fasteners. Providing and fitting of 25 sq mm copper cable from motor to starter-30 meters, dividing of cable in 6 parts and thimbling the copper cables with 25 sq mm copper thimbles with help of crimping tool and cover the flexible copper cable with heavy duty PVC sleeve. Making connections from starter to motor. Providing and fitting of 35 sq mm copper cable from motor to starter-15 meters, dividing of cable in 3 parts and thimbling the copper cables with 35 sq mm copper thimbles with help of crimping tool and cover the flexible copper cable with heavy duty PVC sleeve. Making connections from starter to motor. Providing, fitting, fabrication, welding and laying of 300 mm diameter rising main pipeline of 6 mm thickness- 6 meters in length between output of pumps to intake. Removing of damaged/ rusted delivery pipeline of 300 mm diameter from installed position by way of excavation of earth up pipe level at leaking position and dismantling of existing rusted and damaged pipeline by way of cutting rusted, damaged nuts, bolts with gas welding. Providing, fitting and welding of the ends of pipes with double layered welding to avoid any leakages as per site conditions. The job includes refilling of earth after laying of pipeline. Removing of damaged delivery pipe of pumping unit no 1 from output of pump to position of installation of valves approx. 5-7 ft depending on site conditions including one number bend on delivery and flanges of 200 mm diameter. Providing and fitting of 200 mm diameter, flanged ends cast iron non return valve conforming to IS 5312 with PN 1.6, flange drilling as per IS :1538, SS hinge pin ASTM A276 type 410, Fasteners –CS IS:1367, CL-4.6/4.0, Gasket – natural rubber on delivery side of the pumping unit no 1 with rubber gaskets, nuts and bolts. The non-return valve is fitted after cutting the delivery pipe as per size of valve. Providing, fitting and welding of 200 mm diameter flanges on both ends of non-return valve and fastening. Providing, fitting and replacement of existing damaged non rising sluice valve of 200 mm diameter, flanged ends cast iron rising sluice valve with PN 1.6. Body, wedge and dome – CI, SS- spindle, flange drilling as per IS: 1538 on delivery side of the pumping unit no 1 with rubber gaskets, nuts and bolts. The sluice valve is fitted after cutting the delivery pipe as per size of valve. Providing, fitting and welding of 200 mm diameter flanges on both ends of sluice valve and fastening with nuts and bolts. Complete job includes cost of material, skilled/ semi-skilled labour, carriage charges of material. The firm have to give rebate on old parts such as cables, damaged pipe, damaged sluice valve, nuts and bolts. Note:- The tenderers are requested to visit the site and quote the rate as per site conditions. Any modifications/ alterations of the job, absolutely necessary if required at the time of execution may be done as per actual site conditions.

Rebate on Old Parts

CHENAB ENGINEERING WORKS

Rishabh Electricals and Mechanical Works

GANPATI ELECTRICAL AND MECHANICAL WORKS

N B Engineering and Electric Works

CHENAB ENGINEERING WORKS