REPAIR/MAINT TO LT UG CABLES, LT PANELS AND SWITCH GEARS AT BVY YARD, CTW, CQAE, INS VISWAKARMA AND NAD DEFENCE ROAD AND DG SETS AT NAD, OLD MO(V) 33/11 KV MRS AND INS VISWAKARMA UNDER AGE E/M NO-II OF GE(U-I), VISAKHAPATNAM

Amount

Excavation in trenches n.exc 1.5 mtr wide and not exc 1.5 mtr depth and getting out in soft/ loose soil all as directed by Eng-in-Charge.

All as per item No 1 here in before but exc 1.5 mtr or part there of in depth beyond 1.5 mtr depth complete all as directed by Eng-in-Charge.

Returning and filling in of excavated material ay type including spreading, leveling, watering and well ramming in layers not exceeding 25 cm each complete all as directed by Eng-in-Charge.

Removal of surplus excavated material of any type not exceeding 50 mtr and depositing where directed at a level not exceeding 1.5 mtr above the starting point complete all as directed by Eng-in-Charge.

M&L for Sand cushioning/sand covering for underground cable protection complete all as specified. Note: Punned thickness only will be measured and paid.

Supply and laying sub class 'B' bricks of old size (approved size locally available) laid along alignment of cable as protection to cable in trenches complete all as specified and directed by Engineer-in-Charge

M&L for GI pipe light grade for cable protection on road crossings /plinth protection with fixed to the pole wall etc. suitable fittings for cable protection of following sizes Make : Surya Roshni Ltd / Tata / Jindal steel / Prakash

(a) 50 mm dia

(b) 80 mm dia

(c) 100 mm dia

Supply and fix in replacement Electronic Timer suitable for timer panel/ DG AMF panel/ Star Delta Starter panel complete all as directed by Eng-in-Charge. Make: L&T/GE/BCH.

S&F in repair MCCB 3 Pole, 415 V, adjustable type, 25 to 100 Amps with minimum breaking capacity 16 KA. Make: GE /L&T/Schneider

S&F in repair MCCB 3 Pole, 415 V, adjustable type,125 Amps with minimum breaking capacity 16 KA. Make: GE /L&T/Schneider

S&F in repair MCCB 3 Pole, 415 V, adjustable type, 160 Amps with minimum breaking capacity 36 KA. Make: GE /L&T/Schneider

S&F in repair MCCB 3 Pole, 415 V, adjustable type, 200 Amps with minimum breaking capacity 36 KA. Make: GE /L&T/Schneider

S&F in repair MCCB 3 Pole, 415 V, adjustable type, 250 Amps with minimum breaking capacity 36 KA. Make: GE /L&T/Schneider

S&F in repair MCCB 3 Pole, 415 V, adjustable type, 400 Amps with minimum breaking capacity 50 KA. Make: GE /L&T/Schneider

S&F in repair MCCB 3 Pole, 415 V, adjustable type, 630 Amps with minimum breaking capacity 50 KA. Make:GE /L&T/Schneider

Supply & lay or fixing or passing through pipe or in cable ducts, 1100 volts grade, XLPE, armoured, electric power cables (heavy duty) with aluminium conductor of the following size including dismantling old one. Make: Havells/ Gloster/ Polycab/ Nicco

16 Sqmm 4 core

25 Sqmm 3.5 Core

35 Sqmm 3.5 Core

50 Sqmm 3.5 Core

70 Sqmm 3.5 core

95 Sqmm 3.5 core

120 Sqmm 3.5 core

150 Sqmm 3.5 core

185 Sqmm 3.5 core

240 Sqmm 3.5 core

Earthing complete with Galvanised Steel earth plate of size 60x60cmx6.3mm thick electrode and 32x6mm GI strip as earth lead, buried directly in ground (earth pit not less than 2.25m deep below ground level) with top edge of the plate not less than 1.5m below ground level, connected to 32x6mm earth strip by means of nuts, bolts, check nuts and washers of GI all as shown in electrical plate No.3 of SSR Part-I, connected to earth test terminal point all as specified or as indicated including testing on completion Note:Rates inclusive of necessary excavation in any type of soil, earth work, PCC pit, CI cover, funnel with watering pipe, suitable size of light grade GI Protection pipe for earth strip in ground etc. all as required at site for complete earthing.

M/L for preparation of old painted surface of LT feeder pillar box/ panel boards and applying two coats of synthetic enamel paint of approved colour over coat of zinc chrome primer, including repairing & greasing of door hinges and marking incoming and outgoing feeders all as directed by Engr-in-charge.

Supply, fixing and testing straight through heat shrinkable type jointing kit suitable for cable XLPE insulated armoured heavy duty aluminium conductor 1100 Volts grade and including taking out cable from faulty portion in any situation/position complete all as directed for the following sizes : Make: Birla 3M / Denson / Raychem

(a) 16 to 35 Sqmm x 3.5 core/4 core

(b) 50 to 70 Sqmm x 3.5 core

(c) 95 to 120 Sqmm x 3.5 core

(d) 185 to 240 Sqmm x 3.5 core

Supply and replace Change over switch type c-line in SS enclosure of capacity 200 Amps, range 63A to 200A, AC 23A, 4P conforms to IEC 60947-3, IS /IEC 60947-3 with interchangeable dual shaft position with site convertibility and flip-able handle above 200A capacity complete all as specified and directed by Engineer-in-charge. Make:- CAT No: L&T Model No. CO2-200 Cat No. CO22000OSOO or its equivalent in Legrand/ABB/Siemens/GE/C&S as approved by GE

Supply and replace change over switch type c-line in SS enclosure of capacity 400 Amps, range 315A to 400A, AC 23A, 4P conforms to IEC 60947-3, IS /IEC 60947-3 with interchangeable dual shaft position with site convertibility and flip-able handle above 400A capacity complete all as specified and directed by Engineer-in-charge. Make:- CAT NO.L&T Model No. CO4-400 Cat No. CO44000OSOO or its equivalent in Legrand/ABB/Siemens/GE/C&S as approved by GE

Supply and fixing MCB single pole and neutral 10 to 32 amps Make : Schneider/ L&T/ GE/ MDS

Supply and fixing MCB single pole of capacity 6 to 32 amps Make :Schneider/ L&T/ GE/ MDS

Taking down existing corroded/rusted cross arm of any size and shape

Taking down existing unserviceable ACSR conductor of any type and rating

M&L for dismantling the cable connections of four pole/ Three pole Air circuit breaker of capacity 400 Amps to 1000 Amps, 415 Volts, 50Hz of L&T Make/C&S/GE/ABB make strip opening the Air circuit breaker, Inspecting the parts for serviceability/Overhauling complete and carrying out the following repairs/Maintenance:-

a) Cleaning the insulation parts including bushings with CTC solution b) Checking the alignment and condition of movable and stationary contacts and adjust them all as per manufacturer's instructional manual. c) Check the bolts, nuts, washers, cotter pins and all terminal connections are in place and tights, Replace the worn-out parts. d) Check arc cutters for damage and replace damaged parts.

e) Clean and lubricate the operating mechanism with a light machine oil(SAE-20 or 30) for pins and bearings and with a non -hardening grease for the wearing surfaces ,Adjust breaker operating mechanism all as per manufacturer's instructional manual. Replace if there is excessive wear and tear.

f) Checking/Inspecting shunt trip coil for serviceability and replacing the same if required. g) Replacing the badly worn or burned contacts, checking control device free for operation. h) Check after servicing the circuit breaker to verify the contacts move to the fully opened and fully closed positions ,that there is an absence of friction and that the electrical operation is functional.

NOTE: The rate quoted deemed to be inclusive of T&P and minor spares like lubricants, nuts/bolts/washers/pins etc Major spares like contacts, shunt trip coil, relays, CTs etc will be measured & paid separately under relevant schedule items.

Supply only arc chutes (for 415 V) suitable for air circuit breakers of rating 400 to 1000 Amps rated all as per existing of Make: L&T/C&S/GE/ABB

Supply only shunt release (110/220 V DC or 240 V/415 V AC) suitable for air circuit breakers of rating 400 to 1000 Amps rated of Make:-L&T/C&S/GE/ABB

Supply only trip coil suitable for air circuit breakers of rating 400 to 1000 Amps rated all as per existing of Make:L&T/C&S/GE/ABB

Supply only arcing contacts (Fixed/Moving) suitable for air circuit breakers of rating 400 to 1000 Amps rated all as per existing of Make:-L&T/ C&S / GE / ABB

Supply only cluster contact suitable for air circuit breakers of rating 400 to 1000 Amps rated all as per existing of Make:-L&T/C&S/GE/ABB

Supply only auxiliary contact block suitable for air circuit breakers of rating 400 to 1000 Amps rated all as per existing of Make:-L&T/C&S/GE/ABB

Supply only rating plug suitable for air circuit breakers of rating 400 to 1000 Amps rated all as per existing of Make:-L&T/C&S/GE/ABB

M&L for RCC cable route indicator semi-circular shape on top of size 600x450x100 mm casted in PCC 1:3:6 with TMT bar of size 10 mm dia and foundation base casted in RCC 1:2:4, grouted in earth up to 550 mm duly engraved the following letters "HT/LT UG CABLE" with two coats of antifungal weather coat paint, etc all as specified and directed.

S&F in repair service wire PVC insulated 2 core 10 Sq mm stranded Aluminium conductor cable, testing and commissioning all as directed. Make: Gloster/Polycab/Havells/Finolex

S&F in repair AVR with functions to adjust generator output voltage, prevent voltage hunting, set under frequency roll off knee point, set generator droop to 5% at full load, match AVR input to accessory output, set the over excitation cut off level, set initial frequency related voltage dip, over-voltage protection cut off level, maximum short circuit current with sensing input voltage range 170 - 250 V AC max, 50 -60 HZ frequency with output max up to 120 V DC, continuous current 2.7A & transient 6A for 10 sec including necessary control wiring complete from alternator to AVR complete testing & commissioning for DG sets of capacity 250 KVA to 320 KVA

M&L for carrying out 'B' check for DG set 20/15 KVA, as per manufacturer's recommendation including replacement of filter, 'O' rings, engine oil, gasket, coolant etc complete. Make Engine: Kirloskar/ CUMMINS/ ASHOK LEYLAND

M&L for carrying out 'B' check for DG set 125 KVA, as per manufacturer's recommendation including replacement of filter, 'O' rings, engine oil, gasket, coolant etc complete. Make Engine: Kirloskar/ CUMMINS/ ASHOK LEYLAND

M&L for carrying out 'B' check for DG set 200 KVA, as per manufacturer's recommendation including replacement of filter, 'O' rings, engine oil, gasket, coolant etc complete. Make Engine: Kirloskar/ CUMMINS/ ASHOK LEYLAND

M&L for carrying out 'B' check for DG set 320 KVA, as per manufacturer's recommendation including replacement of filter, 'O' rings, engine oil, gasket, coolant etc complete. Make Engine: Kirloskar/ CUMMINS/ ASHOK LEYLAND

Disconnecting and removing existing unserviceable battery and S&F maintenance free battery 12V 90 AH including terminal clamps, copper lead of suitable length including testing and commissioning all as directed by Engineer-in-Charge. Make: Exide/ Amara Raja/ Tata Green

Disconnecting and removing existing unserviceable battery and S&F maintenance free battery 12V 180 AH including terminal clamps, copper lead of suitable length including testing and commissioning all as directed by Engineer-in-Charge. Make: Exide/ Amara Raja/ Tata Green

Disconnecting and removing existing unserviceable battery and S&F maintenance free battery 12V 100 AH including terminal clamps, copper lead of suitable length including testing and commissioning all as directed by Engineer-in-Charge. Make: Exide/ Amara Raja/ Tata Green

M&L for repair of diesel engine of 320 KVA DG set by dismantling the Sub-assemblies such as fuel pump, fuel injection, Governor, turbo-Charger, Radiator,oil cooler, engine heads, rocker arms, self strater, dynamo-engine wiring, terminal contacts and safety controls etc. Including replacement of spare parts as required and Re-assembling the Sub-assemblies after carrying out necessary repairs including testing and commissioning complete all as directed by Engr-in-Charge. Note: (a) Supply only spare parts required shall be measured and paid separately under relevant items of Schedule 'A' (b) Repairs and calibration of Sub-assemblies shall be measured and paid separately under relevant items of Schedule 'A'.

M&L for repair & Calibration of FIP/PT Fuel & Injectors as per calibration procedure and norms as per manufacturers guidelines including replacement of un serviceable Injector nozzles, 'O' rings, Plungers and cups etc, for the following capacities. Note: spares will be measured separately under relevant schedule.

(a) 320 KVA DG set

(b) 125 / 200 KVA DG set

(c) 15 / 20 KVA DG set

Supply only the following spare parts as required during repair of 320 KVA DG set of model TB 02 V 12 MK2 of Greaves Cotton

(a) Engine gasket Kit

(b) Valve Intake

(c) Valve Exhaust

(d) Valve seat Intake

(e) Valve air deflector intake

(f) Valve seat Exhaust

(g) Valve springs

(h) Valve guides

(i) Valve lock set

(j) Shut down Valve

(k) Fan belts

(l) Electronic speed controller

(m) Air filter set

(n) Turbo charger mounting gasket

(o) Turbo Charger stud and nuts

(p) Turbo supply hose

(q) Radiator hose pipe set

(r) Hose clamp set

(s) Push rod

Supply and replace Air filter of DG set suitable for 320 KVA to 125 KVA

Supply and replace Automatic battery charger of 12V/24V 0-10 Amps/0-5Amps charging rate with auto cut off system complete all as specified Make: ELAK Model:- AC-03 / Amar Raja

M&L for repair and servicing of charging alternator including replacement of Diode set with holder, Brushes/bearings and varnishing of winding etc, for DG set of capacity up to 320 KVA all as directed.

Supply only engine oil 15W-40 or equivalent as per manufacturer's recommendations for topping up or replacement. Make:-Castrol/Servo/HCL

M&L for preparation of old painted steel surfaces of following capacity DG sets including alternator, radiator support channels complete, connected equipments complete and painting with two coats of approved colour synthetic enamel paint complete all as directed. Note: 1) Painting should be done with existing colour codes and painting should apply with the help of spray gun using air compressor. 2) Quoted rate shall deemed to be included for preparation of old painted surface and applying zinc chrome primer over rusted portion all as directed.

(a) 320 KVA DG set

(b) 200 KVA DG set

(c) 125 KVA DG set

(d) 15 / 20 KVA DG set

Cleaning of diesel tank of any capacity carefully by draining out fuel in the tank including disconnection from fuel system, de-scaling the diesel tank with water pressure and removing the complete sludge deposited, drying the tank, repair to any leakage, cleaning and testing of fuel line up to Fuel Pump inlet all as directed for the following capacities :

(a) 320 KVA DG set

(b) 200 KVA DG set

(c) 125 KVA DG set

(d) 20/15 KVA DG set

M & L for replacement of complete fuel and lub oil hose pipe set with clamp / clip etc of the following capacity of DG sets:-

(a) 320 KVA DG set

(b) 200 KVA DG set

(c) 125 KVA DG set

(d) 20 / 15 KVA DG set

M&L for De-scaling of radiator by dismantling the upper & lower tank and cleaning the core pipes with cleaning chemicals (radi wash), components and arrest the leaking core by brazing/ dummy with lead including cleaning of upper and lower tanks and replacing the upper and lower gaskets and required nuts, bolts, refixing the same including testing and painting complete all as specified and directed for the following capacities :

(a) 320 KVA DG set

(b) 200 KVA DG set

(c) 125 KVA DG set

(d) 15 / 20 KVA DG set

Checking completely wiring for AMF panel and identifying fault in the safety and control system wiring from AMF panel to engine control gadgets like HWT, LLOP and shut down valve, dynamo self-starter etc for following capacity DG set engine and rectifying fault in the AMF system including replacement of Relay, Burnt control wiring cable with thimbles and ferrules. Blown out fuses for proper functioning and testing the DG set all as directed.

(a) 320 KVA DG set

(b) 200 KVA DG set

(c) 125/ 20 / 15 KVA DG set

Supply and toping up of radiator coolants as per the recommendation of engine manufacturer all as directed.

M&L for repair and servicing of self starter including replacement/rewinding of armature, carbon brush set with holder, king pin holder check nut, body screens, clutch plate assembly and solenoid switch etc for DG set of capacity of capacity up to 20/15/125 KVA DG set all as directed.

M&L for repair and servicing of self starter including replacement/rewinding of armature, carbon brush set with holder, king pin holder check nut, body screens, clutch plate assembly and solenoid switch etc for DG set of capacity of capacity up to 200 KVA DG set all as directed.

M&L for repair and servicing of self starter including replacement/rewinding of armature, carbon brush set with holder, king pin holder check nut, body screens, clutch plate assembly and solenoid switch etc for DG set of capacity of capacity 320 KVA t all as directed.

M&L for replacement of battery lead set of 02 No's 1.5 Mtr long copper lead of 35 Sqmm size including GM terminals at one end and copper lug at other end all as directed.

Supply and fixing in repairs 3 pole power contactor of ML-3 with coil operating voltage 230 V/415V AC 50 HZ. Make : L&T or equivalent in Schneider/C&S/GE

Supply and fixing in repairs 3 pole power contactor of ML-2 with coil operating voltage 230 V/415V AC 50 HZ. Make : L&T or equivalent in Schneider/C&S/GE

SAMPATH ENTERPRISES

GS ENGINEERS

AYYAPPA CONSTRUCTIONS

K APPAJI KUMAR AND CONSTRUCTIONS

SUPREET CONSTRUCTIONS

R AND A ASSOCIATES ENGINEERS CONTRACTORS

Bhuvaneswari Electrical Works

M/s Chandu Lavanya Engineers Contrctors

RATNA ENTERPRISES