DAY TO DAY MAINTENANCE, CALL ON REPAIRS FOR 24 HRS AND ATTENDING BREAKDOWNS AND ALLIED WORKS INCLUDES REPLACEMENT OF UNSV ITEMS FOR LT PANELS (QTY-50), DOL (QTY-15) AND STAR-DELTA STARTERS (QTY-35), METERING EQUIPMENT (150), SWITCH GEARS (QTY-50), LE

Amount

Providing manpower for day to day maintenance and breakdown and call on repairs for uninterrupted power supply to LT Panels and Switchgears of SDD & NDD pump house equipment for carrying out following Repairs, Overhauling, Servicing, Preventive Maintenance and refixing the same after carrying out rapairs / overhauling complete all as specified and as directed : Note: Note: All Consumables & spares will be measured and paid as supply only.. (a) Check and found if any cracked case when inspected should be replaced. (b) Check all contacts (moving & fixed) due to condition of weather, if it is in good (or) oxidation, the cleaning shall be done with CTC for better contact.. (c) Check alignment of foundation and make it in exact fixing location and provide grounding facility. (d) Check the components of the LT panel with actual designs as provided drawings.

(e) Check all mechanical interlocks and ensure all connections in tightening. (f) Check (RYB) phase connection of busbar with provided drawings. (g) Mechanical check and visual inspection for air circuit breakers and moulded case circuit breakers. (h) Check the coil codtion and current ratings while in operation. (j) Check the correct opreation of NO & NC of auxilary contacts (k) Verify proper operation and remove any accumulation of dust material on moving parts and contacts and clean upto zero dirt.

Supply only following components/ material/ item/ spare of LT Panel & Switch Gear as specified and as directed.

Supply only ACB - L&T, CN - CS, 1250 S1, 1250A

Supply only MCCB - L&T, DN3B, 800M, 800A, VIMP 8KV, ICU- 50KA, ICS- 100%

Supply only MCCB - L&T, DN3, 630M, 630A, VIMP 8KV, ICU- 50KA, ICS - 100%

Supply only MCCB - L&T, DN3, 400M, 400A, VIMP 8KV, ICU- 50KA, ICS - 100%

Supply only MCCB - L&T, DN2, 250D, 250A, VIMP 8KV, ICU- 50KA, ICS - 100%

Supply only MCCB - L&T, DN0 - 100D, 100A, VIMP 8KV, ICU- 50KA, ICS - 100%

Supply only MCCB as per existing on LT Panel . Cat part No.SIEMENS - 3VA1580-5GF42-OAAO, 800A

Supply only MCCB as per existing on LT Panel Cat part SIEMENS - 3VA1340-5EE32, 400A

Supply only MCCB as per existing on LT Panel Cat part SIEMENS - 3VA1220-4EE32, 200A

Supply only MCCB as per existing on LT Panel Cat part SIEMENS - 3VA1116-4GE42,160A

Supply only MCCB as per existing on LT Panel Cat part SIEMENS - 3VA1132-3EE32,32A

Supply only ACB - L&T, CN - CS, 1250 S1, 1250A

Providing manpower for day to day maintenance and breakdown and call on repairs for uninterrupted power supply to DOL Starters of SDD & NDD pump house equipment for carrying out following Repairs, Overhauling, Servicing, Preventive Maintenance and refixing the same after carrying out rapairs / overhauling complete all as specified and as directed : Note: All Consumables & spares will be measured and paid as supply only. (a) Check and found if any cracked case when inspected should be replaced. (b) Check all contracts (moving & fixed) due to condition of weather, if it is in good condition (or) oxidation, the cleaning shall be done with CTC for better contact. (c) Check alignment of foundation base and make it in exact fixing location and provide grounding facility. (d) Check the components of the DOL starter with actual designs as provided drawings. (e) Check all mechanical interlocks and ensure all connections in tightining. (f) Check (RYB) phase connection of busbar with provided drawings. (g) Mechanical check and visual inspection for DOL Starter moulded case circuit breakers. (h) Check the coil codtion and current ratings while in operation. (j) Check the correct opreation of NO & NC of auxilary contacts (k) Verify proper operation and remove any accumulation of dust material on moving parts and contacts and clean upto zero dirt

Supply only following components/ material/ item/ spare of DOL starters as specified and as directed.

MAIN CONTACTOR - L&T, MNX 9

AUX. CONTACTOR - L&T, MX0, 22E

AUX. CONTACTOR - L&T, MNX, A1

OLR - L&T, MN2, 25A

MCB - 3POLE, C-25, 25A

INDICATION LAMPS - RED

INDICATION LAMPS - GREEN

PUSH BUTTON ON/OFF (NO,NC) - RED

PUSH BUTTON ON/OFF (NO,NC) - GREEN

Contactor spare as per existing in LT panel . SIEMENS,SIRIUS-3RT2026-1AP00, WITH 3NO+2NC

Contactor spare as per existing in LT panel SIEMENS,SIRIUS-3RT2018-1AP01, WITH 3NO+2NC

Contactor spare as per existing in LT panel SIEMENS,SIRIUS-3RT2027-1AL20

Contactor spare as per existing in LT panel SIEMENS,SIRIUS-3RH2122-1AP00

INDICATION LAMPS-RED, GREEN, LED, 230V

INDICATION LAMPS-RED, YELLOW, BLUE, LED, 230V

PUSH BUTTON ON/ OFF( NO, NC ) RED, GREEN

EMERGENCY STOP, 230V ,10A

Providing manpower for day to day maintenance and breakdown and call on repairs for uninterrupted power supply to Star-Delta Starters, Main & Auxilary contacts of SDD & NDD pump house equipment for carrying out following Repairs, Overhauling, Servicing, Preventive Maintenance and refixing the same after carrying out rapairs / overhauling complete all as specified and as directed : Note: All Consumables & spares will be measured and paid as supply only. (a) Check and found if any cracked case when inspected should be replaced. (b) Check all contacts (Moving & fixed) due to condition of weather, if it is in good condtion (or) oxidation, the cleaning shall be done with CTC for better contact. (c) Check alignment of foundation base and make it in exact fixing location and provide grounding facility. (d) Check the companants of the Star-Delta starter with actual designs as provided drawings. (e) Check all mechanical interlocks and ensure all connections in tightining. (f) Check (RYB) phase connection of busbar with provided drawings. (g) Mechanical check and visual inspection for Star-Delta Starter moulded case circuit breakers. (h) Check the coil codtion and current ratings while in operation. (j) Check the correct opreation of NO & NC of auxilary contacts (k) Verify proper operation and remove any accumulation of dust material on moving parts and contacts and clean upto zero dirt

Supply only following components/ material/ item/ spare of Star-Delta starters as specified and as directed

Main Contactor L&T, MNX 225 WITH 2NC+2NO, COIL - 240V

Main Contactor L&T, MNX 140 WITH 2NC+2NO, COIL - 240V

Main Contactor L&T, MNX 110 WITH 2NC+2NO, COIL - 240V

Main Contactor L&T, MNX 95 WITH 2NC+2NO, COIL - 240V

Main Contactor L&T, MNX 80 WITH 2NC+2NO, COIL - 240V

Main Contactor L&T, MNX 70 WITH 2NC+2NO, COIL - 240V

Main Contactor L&T, MNX 50 WITH 2NC+2NO, COIL - 240V

Main Contactor L&T, MNX 32 WITH 2NC+2NO, COIL - 240V

AUX. CONTACTORS - L&T, MNX0 WITH COIL - 240V

TIMER (ELECTRONIC TIMER) Y-A, GIC 12SDTO MICON 175

OLR L&T, MN12, NORMAL CT-RATIO - 30

OLR L&T, MR2745

MCB, 2 POLE - 10A

EMERGENCY PUSH BUTTON (NC), 240V, 10A

START PUSH BUTTON (NO), 240V, 10A

Spares as per existing in LT panel, SIEMENS,SIRIUS-3RT2036-1AL20

Spares as per existing in LT panel,SIEMENS,SIRIUS-3RT2036-1AG20

Spares as per existing in LT panel,SIEMENS,SIRIUS-3RT1066-6….6

Spares as per existing in LT panel,SIEMENS,SIRIUS-3RT 1054-6…6

Spares as per existing in LT panel,SIEMENS,SIRIUS-3RT1064-6….6

INDICATION LAMPS-RED, GREEN, LED, 230V

INDICATION LAMPS-RED, YELLOW, BLUE, LED, 230V

PUSH BUTTON ON/ OFF( NO, NC ) RED, GREEN

EMERGENCY STOP, 230V ,10A

Providing manpower for day to day maintenance and breakdown and call on repairs for uninterrupted power supply to Metering Devices of SDD & NDD pump house equipment for carrying out following Repairs, Overhauling, Servicing, Calibration, Preventive Maintenance and refixing the same after carrying out rapairs / overhauling complete all as specified and as directed : Note: All Consumables & spares will be measured and paid as supply only. (a) Metering Devices visual inspection, cleaning and tightening of connections. (b) Check the device and found any cracked case and unclear display when inspected should be replaced. (c) Verify proper operation and remove any accumulation of dust of material on moving parts. (d) Calibrate the device by Authorised agency and display the calibration talley on every device. For calibration, the witness of the user rep is mandatory along with Authorised/ competent person.

Supply only following components/ material/ item/ spare of Metering Devices as specified and as directed.

SECURE ELITE 440 MULTI LINE DIGITAL DISPLAY PANEL METER (Multi Function Meter)

ELMEASURE ALPHA +3A

ELMEASURE ALPHA +3V

Protection Relay L&T MPR 300

Protection Reley SIEMENS-7SR10 ( 7SR1053-2LA21-2E AO/EE)

Current Transformer (CT) CT RATING 300/ 5A

Timer SIEMENS, 3RP 1576-INP30 (STAR-DELTA

Supply and laying in trenches XLPE & LT insulated, armoured/ unarmoured, heavy duty Copper power & control electric cables for following sizes :-

3.5 Core 240 Sqmm

3.5 Core 150 Sqmm

4 Core 16 Sqmm

4 Core 10 Sqmm

MSN ENGINEERING WORKS

aswitha engineering works

B.Veerabhadra Rao