REPAIR /MAINT TO LT UG CABLES, LT PANELS AND SWITCHGEARS, DG SETS AND OTHER ELECTRICAL WORKS AT CTW, INS VISWAKARMA, BV YARD, OLD MO (V), ABE PARK AND CQAE UNDER AGE E/M NO-II OF GE(U-I), VISAHAPATNAM

Amount

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

Returning and filling in of excavated soil including spreading,levelling,watering and well ramming in layers not exceeding 25 cm each.

Removal of surplus soil not exceeding 50 mtr and depositing where directed at a level not exceeding 1.5 mtr above the starting point.

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 (standard size as per local availability) 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 50 mm dia for cable protection on road crossings /plinth protection/ lamps post etc with fixed to the pole wall etc. suitable fittings for cable protection . Make : Surya Roshni Ltd / Tata / Jindal steel / Prakash

M&L for GI pipe light grade 80 mm dia for cable protection on road crossings /plinth protection/ lamps post etc with fixed to the pole wall etc. suitable fittings for cable protection . Make : Surya Roshni Ltd / Tata / Jindal steel / Prakash

Cutting the tarmac / hard standings and excavating in trenches across the road with a size not exceeding 0.45 mtr wide and 0.6 depth for laying cable including making good the excavated portion by means of PCC 1:3:6, type C1 matching with the surroundings all as directed.

Supply & Laying in trenches or fixing on wall or passing through pipe or in cable ducts, 1100 volts grade 3.5/4 core XLPE , armoured, electric power cables (heavy duty) with aluminium conductor of the following size including dismantling old one. MAKE: Havells / Gloster / KEI Industries Ltd / Polycab / Asian Cables / Finolex Note: The rate quoted inclusive of termination at ends with suitable aluminium lugs wherever required

25 Sqmm 4 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

300 Sqmm 3.5 core

Supply and fix in repairs ACB 4 Pole, 415 V, with Thermal Magnetic Release (Manual Fixed type) of capacity 800 Amps. Make: HPL/C&S/Schneider/L&T/ Indoasian/GE/Havells

Supply and fix in repairs MCCBs of following current carrying capacity. Make: HPL/C&S/Schneider/L&T/ Indoasian/GE/Havells

3 Pole MCCB 320-400 Amps, Adjustable type,415V, 35KA rating

3 Pole MCCB 250 Amps, Adjustable type, 415 V, 25KA rating

3 Pole MCCB 200 Amps, Adjustable type, 415 V, 25KA rating

3 Pole MCCB 160 Amps, Adjustable type, 415 V, 25KA rating

3 Pole MCCB 32 to 80 Amps, 415 V, 16KA rating

4 Pole MCCB, 415 V, Adjustable type with breaking capacity 50 KA, 630 A rated

4 Pole MCCB, 415 V, Adjustable type with breaking capacity 35 KA, 400 A rated

4 Pole MCCB, 415 V, Adjustable type with breaking capacity 25 KA, 250 A rated

4 Pole MCCB, 415 V, Adjustable type with breaking capacity 25 KA, 200 A rated

4 Pole MCCB, 415 V, Adjustable type with breaking capacity 25 KA, 160 A rated

M&L for detecting LT UG cable faults located in any stretch/ depth with sophisticated cable fault locator consisting of microprocessor based pre-locator system, HV surge generator, fault pin point surge wave reciever, cable indentification instrument , cable tracer for exact location of under ground cable routes. Note: The rate quoted deemed to be inclusive of transportation of equipment and charges for service engineer . The fault locator will be issued by department for operation

M&L for heat shrinkable straight through joint for LT UG cable including jointing kits complete for making joints suitable for aluminium conductor cable of size 3.5/ 4 core 25 to 50 sq.mm.Make :- M-SEAL / BIRLA 3 M LTD / RAY CHEM

All as per Item No.13 herein before but for cable of size 3.5 core 70 to 150 sq.mm.

All as per Item No. 13 herein before but for cable of size 3.5 core 185 to 300 sq.mm.

M&L for heat shrinkable Termination Kit for LT UG cable complete for making serviceable for aluminium conductor cable of size 3.5/ 4 core 50 to 95 sq.mm.Make :- M-SEAL / BIRLA 3 M LTD / RAY CHEM

All as per Item No.16 herein before but for cable of size 3.5 core 120 to 185 sq.mm.

Disconnecting, dismantling of existing feeder pannel and supply, fabricate, install, testing and commissioning of LT feeder panel board of suitable size, out door type double door, dust and vermin proof made out of 3.15 mm thick MS sheet mounting on suitable size foundation with 150 mm thick PCC (1:3:6) type C 2 with 100 mm offsets and panel board with front and back opening and locking arrangement compete two coats of finishing powder coated paint of approved shade over one coat of red oxide primer including horigental busbar of aluminium strip suitable size for three phase 4 wire including the following accessories and fitted in : - (a) Incomming: MCCB high breaking capacity 4 pole 415 volt 35 KA breaking cap adjustable thermal release range 400 amp -01 No (b) Outgoing: (i) MCCB AC high breaking capacity 3 pole 415 volt 25 KA breaking cap adjustable thermal release range 250 amp of – 02 No (ii) MCCB AC high breaking capacity 3 pole 415 volt 25 KA breaking cap adjustable thermal release range 160 amp – 02 Nos (iii) MCCB AC high breaking capacity 3 pole 415 volt 25 KA breaking cap adjustable thermal release range 100 amp – 2 Nos all as directed by the Engr In Charge. Make of MCCB: C&S/Schneider/L&T/ Indoasian/GE/Havells

Disconnecting, dismantling of existing feeder pannel and supply, fabricate, install, testing and commissioning of LT feeder panel board of suitable size, out door type double door, dust and vermin proof made out of 3.15 mm thick MS sheet mounting on suitable size foundation with 150 mm thick PCC (1:3:6) type C 2 with 100 mm offsets and panel board with front and back opening and locking arrangement compete two coats of finishing powder coated paint of approved shade over one coat of red oxide primer including horigental busbar of aluminium strip suitable size for three phase 4 wire including the following accessories and fitted in : - (a) Incomming: MCCB high breaking capacity 4 pole 415 volt 35 KA breaking cap adjustable thermal release range 400 amp -01 No (b) Outgoing: (i) MCCB AC high breaking capacity 3 pole 415 volt 25 KA breaking cap adjustable thermal release range 250 amp of – 02 No (ii) MCCB AC high breaking capacity 3 pole 415 volt 25 KA breaking cap adjustable thermal release range 160 amp – 02 Nos (iii) MCCB AC high breaking capacity 3 pole 415 volt 25 KA breaking cap adjustable thermal release range 100 amp – 2 Nos all as directed by the Engr In Charge. Make of MCCB: C&S/Schneider/L&T/ Indoasian/GE/Havells

M&L for earthing complete with GI earth plate electrode of size 60cm x 60cm x 6 mm thick burried directly in ground (earth pit not less than 2.25 m deep below ground level) with top edge of the plate not less than 1.5m below the normal ground level connected with GI strip 32 x 6mm by means of bolts, nuts, check nuts & washers of galvanished iron steel including necessary excavation and earth work in any type of soil, removing surplus soil to a distance not exc 50m, with and including PCC chamber in PCC (1:2:4), type B1,using (20mm graded stone aggregate), "mild steel angle iron frame" made out of MS angle iron of size 40x 40 x 6 mm thick duly painted with two coats of synthetic enamel paint over one coat of red oxide zinc chrome primer hinged with and including 6mm thick CI cover with handle, watering arrangement with funnel internally secured with wire mesh with 20mm dia medium grade pipe for watering 40mm dia light grade, GI pipe for lead protection in & including alternate layers of charcoal dust and common salt complete all as shown in electrical "plate No '3' and connected to earthing test point all as specified and indicated including testing on completion including retrieving old GI earth plate, CI cover, GI pipes, angle iron frame from existing earthing as directed.

Pruning/cutting of tree branches of any size beyond 2 mtr from over head lines (LT/HT) including depositing same to a distance as directed by Engineer-in-Charge, complete all as specified & directed.

Stretching/tightening of existing ACSR conductor after loosening binding wire from insulators and removing spacers upto a level to maintain a permissible space between conductors after rebinding the conductor with insulator with 14 SWG GI wire, complete all as specified & directed.

Excavation of cable size 70 Sqmm to 300 Sqmm from its loop, cleaning, cutting of old termination kit and refill of termination kit of suitable size alongwith refilling of cable with sand and bricks.

Dismantling old broken cement concrete pole coping complete & M&L for PCC 1:3:6 with 20 mm graded aggregate for coping of poles and stay including form work.

M&L for Maintenance and attending complaints / breakdowns at INS Viswakarma, BV Yard, CTW and In-Living Complex area at ABE Park comprising of LT panels, over head lines/ underground LT cables upto main distribution boards at buildings including repairs of day to day maintenance of LT panels/Perimeter lights for smooth & trouble free LT power supply as directed by Engr-In-charge including rectification of minor defects to electrical controls gear/accessories.

Note :- The rate quoted is inclusive for the following :-

(i) (a) Attending minor repairs/breakdowns without involving any new (major) materials. (b) Cost includes the tools for attending break down and minor materials like lugs and PVC tapes,Job Cards and Complaint registers etc. (c) Major repairs,Break downs invloving S&F of materials such as cables,Joints,MCCBs etc are out side the scope of this item and shall be measured and paid separately.

(ii) Contractor should ensure to carry out the work through qualified Technician/Electrician and assisted by the helper. Necessary tools & plants and transportation charges are deemed to be included in the unit rate quoted. (iii) On completion of the task/attending break down necessary Job card duly signed by the stake holder.

Repair and overhauling of water cooled DG set including coupled alternator by replacing O rings, engine oil, greasing and oilling of parts, checking of valve of nozzle, changing of diesel filter, oil filter, checking of unserviceable parts including replacement of unserviceable filters, metering belt, fan belt, engine oil, feed pump and other spares complete assembling and re-commissioning and testing all as directed of following capacities :- Note :- Filter, metering belt, fan belt, engine oil, feed pump and other spares shall be measured and paid for separately as supply only.

100 KVA (Viswakarma)

125 KVA (MOV Old )

Supply only element diesel filter with gasket for following capacity of DG Set :-

100 KVA (Viswakarma)

125 KVA (MOV Old )

Supply only element by pass filter gasket for following capacity of DG Set :-

100 KVA (Viswakarma)

125 KVA (MOV Old )

Supply only engine oil filter for following capacity of DG Set :-

100 KVA (Viswakarma)

125 KVA (MOV Old )

Supply only turbo filter with gasket for 100 KVA to 125 KVA DG Set as per sample

Supply only inhibitor corrosion for 100 KVA to 125 KVA DG Set as per sample

Supply only rubber hose pipe including clamps for 100 KVA to 125 KVA suitable length as per site requirement for radiatior and cooling system

Supply only inner and outer air cleaner element for capacity of 100 KVA to 125 KVA

Battery lead for 180 AH 12 volts batteries with thimble length not less than 1.5 mtr complete all as specified and directed.

M & L for cleaning of old engine oil and cleaning of tank alongwith Filling new engine oil multi grade 20W40 in sump (Make : Castrol )

Repair and overhauling of radiator including cleaning and repair of cracked cooling tubes, brazing, stopping leakage etc complete and re-fixing including testing for 15 KVA to 320 KVA capacity of DG set.

S & F of Water pump for 100 KVA to 125 KVA DG sets cummins as per sample

Repairing of PT fuel pump of 100 KVA to 125 KVA DG sets by replacing gasket and unserviceable spares complete asembling and testing all as directed by Engineer-in-charge. Make: Cummins. (NOTE: Unserviceable spare if any changed shall be measured and paid seperately as supply only)

Supply only Main Shaft as per sample

Supply only Tachno shaft as per sample

Supply only Weight carrier as per sample

Supply only Governer barral plunger as per sample

Supply only Gasket sets as per sample

Supply only MVS Plunger as per sample

Supply only Damper assembly as per sample

Supply and fixing self starter 24 Volt: Make Litrea/ Lucas

Reschedule type silencer including cutting removing of old silencer, welding etc and replacement of unserviceable spare parts such as pipe, bend and rain cap etc complete assembling and testing comploete all as specified and directed by Engineer-in-charge for 100 KVA to 125 KVA DG Sets.

Repair to fuel water separator assembly

Supply of V Bolts for 100 KVA to 125 KVA

Supply of CR Plate for 100 KVA to 125 KVA

Cleaning of fuel tank of DG Set capacity 200 to 400 Ltr of 100 KVA to 125 KVA

Repair, overhaulling and calibration of Injector 100 KVA to 125 KVA

Supply and fix in replacement of Euroload four pole change over switch with advance neutral, on load type switch 1-0-11 conforming to IEC60947-3,IS60947-3 staggered terminals line extended handle f1 suitable for open execution fixing on existing LT panels of capacity 100 Amps, type C03-100 complete all as specified and directed, Make: Havells

Supply and refill of coolent for DG Set

Contactor AC, 3 Phase, 415 Volts type TC MC FDP 150 A AC 1 250A complete with all accessories complete all as specified and directed. Make: L&T, Schneider, C&S, Siemens, Havells

Repair/Servicing of AMF panel to 100 KVA to 125 KVA DG set with microprocessor controller suitable electrical and DG controls and auto/ manual and bypass arrangement complete with suitable capacity 4 pole power contactors, DG controls and auto/ manual mode complete with (i) AMF relay ( SCADA Compatible auto synchornising relay) , (ii) meters,enery meter,AVF meter (iii) on delay timer,(iv)slector switches,(v) 24 V, 10 A, SMPSS based automatic float cum boost charge type Battery charger,(vi) auxiliary contactors,(vii) push buttons with No,NC elememts, (viii) LED indication lamps, (ix) DC hooter and control wiring from DG set to panel, necessary additions/ alterations any required to DG set for making suitble for AMF operation complete including testing, commissioning complete etc., all as directed.

M&L for preparation of old painted steel surfaces of capacity 100 KVA to 125 KVA 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.

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 intial 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 upto 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 100 KVA to 125 KVA

Supply only Battery of capacity of 90 to 150 AH for 100 KVA to 125 KVA DG Set

M&L for preparation of old painted steel surfaces of 9 m long steel poles incl removing oily/greasy spots and applying one coat of aluminium paint complete including applying a coat of white wash on pole coping and lettering the pole details with 125 mm dia adhesive sticker with white letters/ blackground etc complete all as directed

Supply & Laying of XLPE Cable of size 70 Sqmm 4 core 1100 volts grade, armoured, electric power cables (heavy duty) with aluminium conductor in trenches or fixing on wall or passing through pipe or in cable ducts, including dismantling old one. MAKE: Havells / Gloster / KEI Industries Ltd / Polycab / Asian Cables / Finolex Note: The rate quoted inclusive of termination at ends with suitable aluminium lugs wherever required

M&L for fixing in repair adhesive sticker radium type red coloured water resistant of approx 2 inches width around the circumference of pole at a approx height of two meters all as directed.

SRIESWARI ENTERPRISES

M/s NATIONAL ENGINEERING CONSTRUCTIONS CO

M/S CHANDRA ENGINEERS AND CONTRACTORS

AYYAPPA CONSTRUCTIONS

R AND A ASSOCIATES ENGINEERS CONTRACTORS

B.Veerabhadra Rao

general electricals