Annual Maintenance of Electrical and Mechanical Installations at NSCBI Airport Kolkata Sub Head Day to Day Operation of Sewerage Treatment Plants with associated E and M Installations etc at NSCBI Airport Kolkata for 2022 2024

Amount

Day to day Operation & Maintenance of Sewage Treatment Plant at Sarat colony i/c cleaning of jungles & up-rooting of rank vegetation grass , bush wood trees upto 30 cm measured at a height of 1.00 mtr above ground level and removal of rubbish outside the periphery of STP and Sump Well pump house by engagening manpower round the clock basis including holiday and Sunday.

1st Year

2nd Year

Day to day Operation & Maintenance of raw sewage pump house no. 15 near Taj hotel i/c cleaning of jungles & up-rooting of rank vegetation grass , bush wood trees upto 30 cm measured at a height of 1.00 mtr above ground level and removal of rubbish outside the periphery of pumphouse by engagening manpower round the clock basis including holiday and Sunday.

First year

Second Year

Dismantling the damaged Sub-mersible pump-motor suitable for raw sewage and Complete rewinding and overhauling of following rated Sub-mersible motor set i/c varnishing of drive motor winding, cleaning, discaling of pumps, change of all bearings, re-assembling the set and painting with synthetic enamel painting testing commissioning etc. as reqd. a) 12.5 HP

First year

Second Year

Complete re-winding of burnt out Motors for following capacity suitable for raw sewage ariation tank by providing new super enamel coated copper wire with heat varnishing, backing, fitting etc. as reqd. for the following capacity of motors i/c less credit for the burnt copper. a) 25 HP

First year

Second Year

Complete re-winding and overhauling of burnt out Raw Sewage Centrifugal pump motor set for following capacity of by providing new super enamel coated copper wire with heat varnishing, backing, fitting etc. as reqd. for the following capacity of motors i/c less credit for the burnt copper. a) 20 HP Pump

First year

Second Year

Complete re-winding and overhauling of burnt out Raw Sewage Centrifugal pump motor set for following capacity of by providing new super enamel coated copper wire with heat varnishing, backing, fitting etc. as reqd. for the following capacity of motors i/c less credit for the burnt copper. a) 10 HP Pump

First year

Second Year

Complete re-winding and overhauling of burnt out Raw Sewage Centrifugal pump motor set for following capacity of by providing new super enamel coated copper wire with heat varnishing, backing, fitting etc. as reqd. for the following capacity of motors i/c less credit for the burnt copper. a) 7.5 HP Pump

First year

Second Year

Complete re-winding and overhauling of burnt out Raw Sewage Centrifugal pump motor set for following capacity of by providing new super enamel coated copper wire with heat varnishing, backing, fitting etc. as reqd. for the following capacity of motors i/c less credit for the burnt copper. a) 1HP to 5 HP Pump

First year

Second Year

Supply & Fixing of 150mm dia double flanged butterfly valve (KIRLOSKAR/AAI approved make) to the discharge line of drying beds etc as required.

First year

Second Year

Supply & Fixing of 200mm dia double flanged butterfly valve (KIRLOSKAR/AAI approved make) to the discharge line of drying beds etc as required.

First year

Second Year

Dewatering of sewage water from scrapper unit, screen chamber, Areator chamber, wet well of filter pump, inlet chamber of raw sewage pump house etc as required.

First year

Second Year

Removal of sludge from drying bed, scrapper chamber, Aerator chamber, wet well of filtrate pump, inlet chamber of raw sewage pump house etc as required.

First year

Second Year

Filling of filler media (sand) of different size in drying bed etc as required. a) Fine sand

First year

Second Year

Filling of filler media (sand) of different size in drying bed etc as required. b) Course sand

First year

Second Year

The execution of Delhi Schedule of Rates (E&M) 2022 of estimated amount of Rs 1,50,000.00 Items mentioned in Chapter 1 to Chapter 17 including Appendix-I & II as when required basis for repair/maintenance/ addition / alteration etc.of internal and External Electrical installations. [Quoting in the Rate 10% below the Estimated amount of Rs 1,50,000.00 means amount will be Rs.1,35,000/-. Similarly Quoting in the Rate 10% above the Estimated amount of Rs 1,50,000.00 means amount will be Rs. 1,65,000/- (Note: Payment of DSR rate will be made after deduction of GST considered in the Rate of DSR-2022) (For 1st Year)

The execution of Delhi Schedule of Rates (E&M) 2022 of estimated amount of Rs 1,60,000.00 Items mentioned in Chapter 1 to Chapter 17 including Appendix-I & II as when required basis for repair/maintenance/ addition / alteration etc.of internal and External Electrical installations. [Quoting in the Rate 10% below the Estimated amount of Rs 1,60,000.00 means amount will be Rs.1.34,,000/-. Similarly Quoting in the Rate 10% above the Estimated amount of Rs 1,60,000.00 means amount will be Rs. 1,,66,000/- (Note: Payment of DSR rate will be made after deduction of GST considered in the Rate of DSR-2022) (For 2nd Year)

SOM ENGINEERING WORKS

T K MAZUMDER