REPAIR/MAINT OF LT PANELS, LT UG CABLE AND ALLIED WORKS AT HQ ENC, INS CIRCAR, INS SATAVAHANA AND NAVAL DOCK YARD AND MAINTENANCE OF AC PLANT AT SAMUDRIKA AUDITORIUM AND CERTAIN CONNECTED WORKS UNDER AGE E/M-I OF GE (U-I) VISAKHAPATNAM

Amount

INCOMING :- (i) MCCB 4 pole,250 AMPS , 50 Hz, 415 Volts, 36 KA -1 No OUTGOING:- (i) MCCB 3 pole, 100 AMPS, 35 Hz, 415 Volts, 16 KA - 3 No (ii) MCCB 3 pole, 125 AMPS, 35 Hz, 415 Volts, 16 KA - 1No Makes: (i) MCCB/MCB : Legrand / L & T / Siemens / ABB / C & S / Schneider / GE (ii) Volt Meter/Ammeter : Havells / HPL / L & T / AE / Schneider / BCH

OUTGOING:- (i) MCCB 3 pole, 125 AMPS, 35 Hz, 415 Volts, 16 KA - 2 No (ii)MCCB 3 pole, 63 AMPS, 35 Hz, 415 Volts, 16 KA - 2 No (iii)MCCB 3 pole,100 AMPS, 35 Hz, 415 Volts, 16 KA - 2 No (iv)MCCB 3 pole, 250 AMPS, 35 Hz, 415 Volts, 16 KA - 1 No Makes: (i) MCCB/MCB : Legrand / L & T / Siemens / ABB / C & S / Schneider / GE (ii) Volt Meter/Ammeter : Havells / HPL / L & T / AE / Schneider / BCH

Taking down existing damaged/unserviceable PVC insulated, armoured, aluminium conductor 1100V grade cable of any size and core from trenches, pipe, ducts, pole etc and testing the serviceability of cable, cutting and segregating serviceable portion for relaying serviceable cable complete all as directd by Engr-in-Charge. (Note: (i) Taking down length of cable shall be measured irrespective of serviceablity of cable length. (ii) Earth work required shall be measured and paid separately)

Laying only cable in trenches/through pipes/ducts or on pole /walls jointing to OH conductor, LT panels, main switches with cable size aluminium lugs and testing of following sizes complete all as specified and directed :- (Note: Earth work required shall be measured and paid separately)

16 sqmm 4 core

25 to 35 sqmm 3.5/4 core

50 to120 sqmm 3.5 core

150 to 300 sqmm 3.5 core

Supply, Laying, jointing and testing of underground LT cables XLPE insulated, PVC sheathed aluminium conductors multistranded armoured heavy duty 1100 Volt grade cross sectional area 16 Sq mm 4 core laid in trenches/ducts/along poles/through pipe under road etc with new aluminium lugs of cable size all as specified and directed.

All as per item No. 05 above but size 10 Sq mm 2 Core.

All as per item No. 05 above but size 25 Sq mm 3.5 Core.

All as per item No. 05 above but size 35 Sq mm 3.5 Core.

All as per item No. 05 above but size 50 Sq mm 3.5 Core.

All as per item No. 05 above but size 70 Sq mm 3.5 Core.

All as per item No. 05 above but size 95 Sq mm 3.5 Core.

All as per item No. 05 above but size 120 Sq mm 3.5 Core.

All as per item No. 05 above but size 300 Sq mm 3.5 Core.

Excavating in trenches n. exc. 1.5m wide and n. exc. 1.5m in depth for foundation, trenches for laying cables/ pipe line etc. and getting out in soft/loose soil complete all as directed by Engineer-in-Charge.

Returning and filling in of excavated soil including spreading, levelling, watering and well ramming in layers not exceeding 25 cm each in any type of soil complete all as directed by Engineer-in-Charge.

Removal of surplus soil to a distance 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 Engineer-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 (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

Supply and laying precast concrete cable covers class HV type 1 flat size 300 x 180 x 40 mm 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/ lamps post etc with fixed to the pole wall etc. suitable fittings for cable protection. Make : Surya Roshni Ltd / Tata / Jindal steel / Prakash

50 mm dia

100 mm dia

Cutting the tar road / 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 including laying of 40 mm dia HDPE pipe for drawing cable complete all as specified..

Boring of holes underneath road / foot path / hardstanding / culvert etc by using trencless technology by ultra sound technic and necessary machinery including providing 100mm dia GI pipe medium grade for drawing cables complete all as specified and directed.

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.

S&F Outdoor Flood tunes Series Flood Light 40 wattage with Lumens : 1800 lm, CCT:K including all connected accessories against OEM product description complete all as directed. Make: M/s Philips Model No BVP220 RGBW PC LILO or equivalent in Havells / Bajaj as approved by GE.

Supply and replace MCCB 4 pole, 415 V, adjustable type 400 Amps with breaking capacity 35 KA with sheet steel encloser including necessary modification in the panel complete all as specified and as directed. Make: L&T / Legrand / Schnieder

Taking down defective street light fitting of any size /type/ capacity from height of pole/ walls/ height mast of any location exceeding 9 M height from ground level for reapir work and fixing back after repair work including checking, inspecting, testing and commissioning complete all as directed by Engr-in-Charge. Note : (a) Spares like ballast, lamp, starter, capacitor, igniter, holders, lamp holder, etc. shall be measured and paid separetely under relavant items of schedule 'A'. (b) Necessary tools like mobile ladder& other T&P required etc shall be arranged by the contractor. (c) The rate quoted deemed to be inclusive for minor repair parts like nuts, bolts,cirle clips, clamps etc if required at site.

All as per item No 26 herein before but light fittings fixed at a height upto 8 mtr from ground level.

Supply only the following spares for street light fittings (Make : Phillips/ Bajaj/Havells/CG)

LED driver 90W

LED driver 150 W

LED driver 45 W

LED driver 60/70W

LED driver 9 W

M&L for detecting HT/LT UG cable faults located in any stretch / depth with cable fault locator consisting of microprocessor based, identification instrument, cable tracer for exact location of under ground cable routes. Notes:- The rate quoted deemed to be inclusive of rental charges for T&P like entire cable fault locating instrument, charges for operator and transportation etc complete.

Supply and laying or fixing or passing through pipe or in cable ducts, 11000 volts grade XLPE insulated Heavy duty (earthed), screened, PVC bedded, galvanised steel strip or wire armoured, electric power cables with aluminium conductor 185 sq mm 3 core size including dismantling old one. Make : Nicco/ KEI/ Polycab/Havells

Supply and fix cable jointing kit for 11 KV grade cable for outdoor terimination heat shrink type joint complete with jointing material and accessories suitable for 3 core XLPE armoured Al conducter cable of size 185 sq mm. Make: Birla 3M/ Raychem/ Denson

Supply and fix cable jointing kit for 11 KV grade cable for straight through heat shrink type joint complete with jointing material and accessories suitable for 3 core XLPE armoured Al conducter cable of size 185 sq mm. Make: Birla 3M/ Raychem/ Denson

Supply and fix cable jointing kit for 11 KV grade cable for indoor terimination heat shrink type joint complete with jointing material and accessories suitable for 3 core XLPE armoured Al conducter cable of size 185 sq mm. Make: Birla 3M/ Raychem/ Denson

M &L Plain cement concrete 1:4:8 type D2 (using 40 mm aggregrate) as in foundations filling mass concrete complete all as specified and directed

M &L for cement concrete PCC 1:2:4 type B1 (using 20 mm aggregrate) as coping of poles including form work complete all as specified and directed

Taking down old unserviceable street light fittings from any height and Supply & fixing LED street light fittings comprising of epoxy powder coated housing, enclosed with glass cover in frame,(with total lumen output not less than 10000 lumens and suitable wattage for efficiency not less than 95 lumens/Watt) with ingress protection IP 65/66 and SPD of capacity 10 KV etc incl necessary clamps etc complete and testing on completion all as specified and as directed. MAKE : Havells / Bajaj / Philips / Wipro / GE / CG as approved by GE. Note: The GI pipe bracket if required will be measured and paid separately under relevant schedule items

Dismantling old un-serviceable flood light fittings from any position exceeding 7.5 m height, Supply & fixing LED flood light fittings comprising of epoxy powder coated housing, enclosed with glass cover in frame LED type (with total lumen output not less than 10,000 lumens and suitable wattage for efficiency not less than 95 lumens/Watt) with ingress protection IP 65 and surge protection device of 10 KV capacity etc incl necessary, angle iron supports , clamps etc complete and testing on completion all as specified and as directed MAKE : Havells / Bajaj / Philips / Wipro / GE / CG as approved by GE.

Taking down old unserviceable street light fittings from any height and Supply & Supply & fixing LED street light fittings comprising of epoxy powder coated housing, enclosed with glass cover in frame,with lumen output not less than 8500 lumens suitable wattage for efficiency not less than 95 lumens/Watt, with ingress protection IP 65 and SPD of capacity 10 KV etc complete and testing on completion all as specified and as directed. MAKE : Havells / Bajaj / Philips / Wipro / GE / CG as approved by GE. Note: The GI pipe if rquired bracket will be measured and paid separately under relevant schedule items

Taking down old unserviceable post top lantern fittings and Supply & fixing post top luminarie LED type of 45 W with IP 65 protection with die cast aluminium graphite grey powder coated finished body , polycarbonate opal diffuser, low power warm white (WW) LEDs with better heat dissipation, high efficient constant current electronic driver having operating voltage range from 140 to 280 Volt AC, provided with high voltage, open and short circuit protection, Voltage surge protection 10 KV etc complete suitable for 60 mm OD pipe entry including suitable size loop in loop out boxes & flexible 3 core 1.5 Sqmm copper connecting cable from loop in loop out box to fitting etc complete all as directed & specified. Make: M/s BAJAJ Model BGCP 45 W LED WW or equivalent in Philips/ Havells / CG as approved by GE. . Note: The rate inclusive of GI pipe, PCC etc complete

Taking down old unserviceable Security gate light fittings and Supply & fixing Gate light luminarie LED type of 70 W with IP 65 protection with die cast aluminium graphite grey powder coated finished body , polycarbonate opal diffuser, low power warm white (WW) LEDs with better heat dissipation, high efficient constant current electronic driver having operating voltage range from 140 to 280 Volt AC, provided with high voltage, open and short circuit protection, Voltage surge protection 10 KV etc complete suitable for 60 mm OD pipe entry including suitable size loop in loop out boxes & flexible 3 core 1.5 Sqmm copper connecting cable from loop in loop out box to fitting etc complete all as directed & specified. Make: M/s BAJAJ Model BGCL 70 W LED WH or equivalent in CG/Philips/ Havells. Note: The rate inclusive of GI pipe, PCC etc complete

Supplying, fixing and testing of Street lights LED type 90W pressure die cast aluminium housing with high pwer LED as lighting source and lens embeded PC cover having TOP opening seperate driver compatment with IP 66 protection and impact resistance of IK07 with 10KV built in surge protection device ( maintaining minmum system lumen-9000) on 09 mtr poles LED with IP protection 66 complete all as specified including taking out old one . MAKE: Havells Model no. ENDURAPEARLPLUSSL90WLED757PASYTOPCASTHO or equivalent in Philips / CG as approved by GE.

Supply and fix hot press moulded junction boxes with hinged door, 4 P ,50Amps rated connector with TPN MCB 6 Amps neutral link mounted in the box,including necessary fixing arangement to the steel tubular pole/over walls including taking out old one complete all as directed. Make; Sintex /Hansel or equilvalent.

M&L for maintenance/servicing of PT unit 11Kv / 110V by disconnecting and taking out from panel mounted position, checking & cleaning of fixed and moving contact points, cleaning/ decarbonising of bus bar connections, resin cast PTs using hot blower, CTC solution, applying backlot (Red) solution to the epoxy PT body, tightening of all nuts, bolts, washers, and refixing the same PT to original position, testing complete all as specified and directed.

Taking down HT switch gear (Vacuum circuit breaker ) of capacity 11 KV 250/350 MVA comprising of following repairs, overhauling, servicing, carrying out preventive maintenance and refixing the same after repairs/ overhauling:

(a) Tripping off the breaker, lowering the breaker with raising/lowering handle and pulling out the breaker complete from the panel along with the trolley for servicing/inspection/overhauling

(b) Servicing/Inspecting/checking of automatic safety shutter operation for serviceability and replacement of spares if required.

(b) Servicing/Inspecting/checking of circuit spout and circuit spout connections for RYB phases and replacement of spares if required.

(c) Dismantling and checking of cross bar assembly, fixed contacts and current carrying parts of the breaker, trolley, insulated assembly and checking lamination with clamps, epoxy spout, isolator assembly etc.

(d) Setting, reassembling, cleaning, adjustment of fixed contacts, main contact, arcing contacts and chamber baffle pot assembly, moving contact for proper setting of auxiliary contacts operating mechanism.

(e) Servicing/Inspecting/checking of secondary sockets/bus bar earthing plugs/earthing sockets and replacement of spares if required.

(f) Checking, setting and adjustment of lowering and raising operation of the breaker trolley.

(g) Decarbonising of bus bar and connected items

(h) Lubrication and greasing of all moving parts of the trolley, stopper bolt for proper operating and closing of shutter gear, isolation resistance of trolley of with vacuum interrupter assembly.

(J) The inspection of HT switch gear shall involve:- (i) Inspection of truck & hoist assembly. (ii) Inspection of tank assembly & barriers. (iii) Inspection of assembly & components of solenoid assembly. (iv) Inspection of assembly & components of dependent mechanism. (v) Inspection of assembly & components of spring box mechanism. (vi) Inspection of motor mechanism spring charge assembly (vii) Inspection of assembly of trip unit & related components

Notes: (i)The servicing includes for bus bar duct chamber, cable alleys and connecting accessories (ii) The rate quoted shall be deemed to include for necessary T&P, nuts, bolts, washers, gasket, insulation tape, compound, painting of VCB panels with approved colour including lettering details all as per existing etc. to put in to the VCBs and panels in serviceable condition, testing and commissioning all as specified and as directed by the Engineer-in-Charge. (iii) Major spares like Breaker bushings, vacuum interrupter assly, bus bar spout, bus bar spout connections, circuit spout/circuit spout connections/buffer fixed contacts, moving contacts, tank assly/barriers, solenoid spares, dependent/spring mechanism/ motor mechanism, trip unit etc. will be measured and paid separately under relevant items of Schedule 'A'. However the rate quoted shall be deemed to include for any other minor spares require replacement. (iv) the servicing shall be carried out by Authorised service centre as approved by GE

M&L for rectification of faults and retrofit of electrical circuit of 11 KV VCB with suitable IED's by checking CT/PT healthiness , proper programming of multifunctional meters and replacement of defective components & wiring with FRLSH multistrand PVC insulated copper conductor 1100 volts grade as per existing size of wire complete all as specified and directed Note :- Required new components will be measured and paid separately under relevant items.

VCB Control circuit comprising of the following:-

i) Numerical feeder protection relay - 1 No.

ii) Trip circuit supervision relay - 1 Nos

iii) DC supply supervision relay - 1 No.

iv) High speed tripping relay - 1 No.

v) Auxiliary relay- 1 Set

vi) Multifunction meter, Digital type (Displaying A, V, PF, Hz, KVA, KW, KVAR, KWh, Karsh etc.) Class 1 - 1 No.

vii)Digital Voltmeter , Ammeter - 1 Set

viii)Indication Lamps & Annunciator - 1 Set

ix) Control Switches & Wiring with appropriate colour coding , complete which are required for smooth / satisfactory operation of CRP as per scheme requirement

x) T‐N‐C Switch (Breaker Control Switch) - 1 Set

xi) Circuit label - 1 No.

Supply , install ,Testing , Commissioming of Numerical feeder protection relay 50/51N (Earth over current),67P (3Ph directional over current),67N (Earth fault directional over current), 51V (Voltage controlled over current), 37 (3Ph under current),46 (Negative Phase sequence over current),59N (Residual over voltage),32 (Directional power protection under/over active/Reactive power),81 (Under over over Frequency ), 49 (Thermal Overload),79 (Auto resue),50BF (Circuit breaker failure direction),Cold pickup,Inrush blocking including taking down old relay complete all as specified and directed by Engr-in Charge.Relay will be on Modbus Protocol.(Make:- Schneider of Model Micom P-127 protection relay, 110V, 5A, type-BAOZ112Ca1 or its equivalent in ABB/SEIMENS)

Supply and fixing High Speed Master Trip Relay

Supply and fixing the following for Metering:

Supply and fixing the Indication Lamps for C.B. ON /OFF /TRIP /Trip Circuit Healthy and Unhealthy/Spring Charged

Supply and fixing the following for Control switches & Control Wiring

T‐N‐C Switch (Breaker Control Switch)

Trip Circuit Healthy Push Button

Control wiring with appropriate colours

Local Remote switch

Supply & fixing closing coil assembly 110 V DC to Schneider make 11KV VCB incl necessary connection testing complete incl dismantling taking down unserviceable one complete all as specified and directed. Make- Schneider, Part No- ECO39SN134900FN

Supply and fixing tripping coil 110 V DC to Schneider make 11KV VCB incl necessary connection testing complete incl dismantling taking down unserviceable one all as specified and directed. Make- Schneider, Part No- ECO39SN134100FN

Supply and fix including dismantling taking out unserviceable vacuum interrupter of suitable for VCB of capacity 2500 Amps all as specified and directed. Make-Schneider only. Part No-VSLVG4002-01

Supply and fix including dismantling taking out unserviceable Breaker Nylon Wheel, For 800A to 2500A Schneider make 11 KV VCB complete all as specified and directed. Make-Schneider only, Part No-MVIA00054-01

Supply and fix including dismantling taking out unserviceable spring charging Universal motor with gear box 220V AC For 800A to 2500A Schneider make 11 KV VCB complete all as specified and directed. Make-Schneider only, Part No-MVIJOO157-02

Supply and fix including dismantling taking out unserviceable Release Lever (Nylon ) For 800A to 1600A Schneider make 11 KV VCB complete all as specified and directed. Make-Schneider only , Part No- MVIJ00010-01

Supply and fix including dismantling taking out unserviceable Buffer (For Opening Spring ) For 800A to 1600A Schneider make 11 KV VCB complete all as specified and directed. Make-Schneider only, Part No- MVIJ000980-1

Supply and fix including dismantling taking out unserviceable Buffer (For Closing Spring ) For 800A to 1600A Schneider make 11 KV VCB complete all as specified and directed. Make-Schneider only, Part No- MVIJ00056-01

Supply and fix including dismantling taking out unserviceable Rectifier unit (Monoblock) for spring charging motor For 800A to 1600A Schneider make 11 KV VCB complete all as specified and directed. Make-Schneider only, Part No- ERC-A-A00DC-001

M&L for replacement of damaged space heater, 230V AC supply , 100 watt inside 11 KV HT VCB cable chamber including necessary connection, testing complete all as specified and directed.

Supply and fix including dismantling taking out unserviceable HRC Fuse-Pt HT Side (VTF-11, 3A) For 800A to 1600A Schneider make 11 KV VCB complete all as specified and directed. Make-Schneider only, Part No- EHF-A-EV 000-001

Supply and fix including dismantling taking out unserviceable Control Circuit HRC Fuse : 2 A , 4 A , 6 A , 1 0A complete all as specified and directed.

Supply and fix including dismantling taking out unserviceable Service/Test Position Limit Switch 1NO+1NC For 800A to 1600A Schneider make 11 KV VCB complete all as specified and directed. Make-Schneider only, Part No- ESW-B-AAA00-001

S&F multifunctional meter with LED display, accuracy class-1, e- navigator, including dismantling taking down unserviceable one and connection, programming, testing complete all as specified and directed. Make- Elmeasure , L&T , Schneider

Supply and fix including dismantling taking out unserviceable Isolating Contact For 800A to 1600A Schneider make 11 KV VCB complete all as specified and directed. Make-Schneider only, Part No- MVIK00190-01

Supply and fix single (Red-Blue) phase bus bar spout suitable for 800 Amps to 1250 Amps VCB . Make Schneider only Model No MEP-39- 32185 complete all as specified and directed.

Supply and fix single (Y) phase bus bar suitable spout for 800 Amps to 1250 Amps VCB . Make Schneider only Model No MEP-39-32186 complete all as specified and directed.

Supply and fix Drive Beam suitable for 11 KV VCB 800 to 2000 Amps. Make Schneider only Model No MCS27S0298700PN complete all as specified and directed.

Supply and fix Epoxy Body suitable for 11 KV VCB up to 1250 Amps. Make Schneider only Model No MEP3953022000FN complete all as specified and directed.

Supply and fix Dive Rod assembly with contact block VG2 suitable for 11 KV VCB up to 1250 Amps. Make Schneider only complete all as specified and directed.

Supply and fix CT Spout suitable for VCB 800 to 2500 Amps 25 Ka chamber insulating bus support epoxy insulator of dia 95mm and 125mm length complete all as specified and directed. Make Schneider

Supply only Resin Cast CT dual core, CT ratio- 100/50/5A-5A For 800A , 11 KV VCB panel.

Supply & fixing aluminium earth strip of size 32mm x 6mm as earth lead of roof/ wall conductors including screws etc and connections with existing earth test point at any height from ground level complete all as specified and as directed by Engineer-in-charge.

THE VENKATESWARA SUPPLIERS

SRK PROFESSIONAL ENGINEERING

VENKATESWARA ENGINEERS AND CONTRACTORS

Srinivash Engineers

M.V.K.ENTERPRISES