AUGUMENTATION OF EXTERNAL POWER SUPPLY SERVICES IN JETTY, PORT BLAIR

Amount

Excavation in trenches not exceeding 1.5 M deep and 1.5M width and getting out in soft / loose soil for foundation of poles (or) cable laying complete all as specified and directed.

Returning, filling in including spreading, levelling, watering and well ramming in layers not exceeding 25cm in soils complete all as specified and directed.

Removing/excavated soil to a distance not exceeding 50M and depositing where directed at a level not exceeding 1.5 M above the starting point all as specified and directed.

Supply, lay, testing and commisioning of cable XLPE insulated, screened, PVC bedded, galvanized steel strip or wire armoured, earthed electric power cables (heavy duty)with stranded aluminium conductor, 11000 volts grade, of size 3 core 120 sqmm laid in trenches / floors / ducts or fixed on wall with suitable clamps / saddles or drawn through pipes etc. complete all as specified and directed.

Supply, lay, testing and commisioning of cable XLPE insulated, screened, PVC bedded, galvanized steel strip or wire armoured, earthed electric power cables (heavy duty)with stranded aluminium conductor, 11000 volts grade, of size 3 core 185 sqmm laid in trenches / floors / ducts or fixed on wall with suitable clamps / saddles or drawn through pipes etc. complete all as specified and directed.

Supply and laying HDPE DWC pipe of size 120mm (OD) x 103mm (ID) along with connected accessories like couplers, bends, end caps etc. for LT/ HT cable protection complete all as specified and directed. Make:Rex Poly Extrusion Ltd/ Tirupati Plastomatics Pvt Ltd. Note for Sl item No.4,5 & 6 :-Earthwork, Rfr and removal shall be measured and paid seperately.

Supply and fix cable jointing kit for 11 KV grade cable for indoor termination cold shrink type joint complete with jointing material and accessories suitable for 3 core XLPE, armoured, Aluminium conductor cable of size 120 to 185 sqmm complete all as specified and directed.

Supply and fix cable jointing kit for 11 KV grade cable for outdoor termination cold shrink type joint complete with jointing material and accessories suitable for 3 core XLPE, armoured, Aluminium conductor cable of size 120 to 185 sqmm complete all as specified and directed.

Supply and fix cable jointing kit for 11 KV grade cable for straight through cold shrink type joint complete with jointing material and accessories suitable for 3 core XLPE, armoured, Al conductor cable of size 120 Sqmm to 185 sqmm, Indoor/Outdoor type complete all as specified and directed.

Supply installation, testing and commissioning of outdoor type 11KV Compact Sub Station – 2000 KVA with following equipments:- (A) HT Switchgear (B) Transformer (C) LT Panel (D) Enclosure of CSS (E) Inter Connection and Earthing Details of equipment are as:- (A) HT Switchgear 11KV 630 Amps 21KA foe 3 sec SF6 insulated Non-Extensible switchgear type CCV or equivalent consisting to Two Nos. Fixed manual load break switch and one No. Fixed Motorized vacuum circuit breaker in SF6 insulated and copper busbar. Stainless steel enclosure with series trip self powered microprocessor based numerical over current and earth fault (IDMT + Inst) relay protection 1 No (a) Relay with communication. 1 No (b) Protection CT’s 40/1A 2.5 VA 10p10 1 set (c) Manometer 1 No (d) Voltage presence indicator 3 No. (e) Fault passage indicator for incoming C module 1 No. (f) 24V DC battery and charger 12 Ah capacity. 1 set (g) Space Heater withThermostat 1 No (h) Operating handle 1 No. (j) Each LBS (Load Break Switch) and earthing switch with marking capacity and have the following:- (i) Mechanical ON/OFF/Earth indication. (ii) Live cable “indicating LEDs” energized three capacitive voltage dividers.

(iii) Interlock arrangement b/w cable cover and isolator (iv) Cable box suitable for cable termination of 1 No. upto 3Cx185 sqmm XLPE cable aluminum conductor (v) Flexible boots (vi) FPI for only one number LBS function shall be inbuilt O/C & E/F indication. (vii) VCB function type : 3 position disconnected and earthing switch equipped with separate drive unit. The VCB equipped with over current time release to transformer protection and SCADA Port facilities. (viii) Aux contacts for VCB (2 No + 2 NC) (viiii) Capacitive voltage indication. (ix) Cable cover standard (x) Emergency trip coil – 24V DC (xi) Transformer fault alarm and trip (B) TRANSFORMER (Type : Cast Resin Dry Type) (i) Ratio - 11KV / 433V (ii) Capacity – 2000 KVA (iii) Vector group – Dyn 11 (iv) HV side OFF load tapping and steps as per IS (v) Insulation class (HV/LV) – H (vi) Temperature rise 115 degree C in the winding over ambient temperature of 50 degree C (vii) No load losses – As per the IS standard (viii) Full load losses – As per the IS standard (ix) Total losses – As per the IS standard (x) % Impedance, Reactance, Resistance – As per the IS standard (xi) Efficiency – As per the IS standard (xii) Regulation – As per the IS standard (xiii) Conforming to 11171/2026 & IEC-60076-II (xiv) Winding temperature indicator with alarm and trip contact (xv) Surge arrestor (xvi) Fittings / Accessories : Rating and diagram plate, base channel, earthing, terminals, lifting, lugs, Bidirectional roller and WTI scanner with 3 PT – 100 sensors

(C) LT PANEL LT panel shall be for suitable use inside CSS for operation of 415 volts, 50 Hz, 3 phase, 4 wire AC supply complete with gland plates, lifting hooks, ventilating louvers, busbar, inter connections, earth terminals, labeling, cable alley suitable for termination of cable including supply and fixing of following switchgear and accessories in the panel with 2mm thick CRCA sheet complete as required size conforming to relevant IS specification. The ACBs shall have the valid test certificate and all the LT side components shall be placed inside the CSS enclosures Test certificate for ingress protection for enclosure needs to be provided. LT BUSBAR (i) 4000 Amps copper busbar (100% for phase and 50% for neutral.) (ii) Current density of copper shall be 1.4 Amp/sq.mm (iii) Voltage rating – 433V, 50 Hz, AC INCOMER : (i) ACB 4000A, 75/85 KA, 4P with Fixed Manual (FM) Adjustable type with microprocessor based release for over load, short circuit and earth fault protection – 01 No. (ii) Set of indicating lamp (R.Y.B) ON-OFF-TRIP indication with MCB protection – 01 Set (iii) Digital type multifunction meter of class 1.0 Accuracy to show Amp, Volts, KW, KWH, KVA, PF, Hz – 01 Set (iv) Suitable CTs of 4000/5A, 5VA OUTGOING : (i) 4000 Amps, 433V 4P, 50 Hz, 75/85 KA fixed Manual (FM) type Air Circuit Breaker (ACB) adjustable type with Micro processor based release for overload, short circuit and earth fault protection-01 No. (D) ENCLOSURE OF CSS (ONE SET) Outdoor type enclosure having construction of galvanized sheet steel of thickness 2mm for load bearing member and 1.5mm for non load bearing member with 4mm base frame. The enclosures shall have IP 54 degree of protection for HT & LT switchgear compartment and IP 23 degree of protection for transformer compartment. Each compartment will be provided with the door and pad locking arrangement. The compartment illumination lamp with door operated switch shall be provided for MV & LV compartment. Separate switch operated bulket lamp+ hooter in transformer compartment. Transformer compartment door interlocked with breaker module.

(E) INTERCONNECTION AND EARTHING(ONE SET) Interconnection between HT switchgear and transformer using minimum size of 1Cx3x95 sqmm XLPE aluminum single core cable. Inter connection between transformer and LT switchgear using copper busbars. Internal earthing connections by using 50x6mm GI strips including transformer neutral. Note : (i) HT and LT compartments shall have degree of ingress protection IP 54 and that of transformer compartment shall be IP 23. (ii) The enclosure alongwith all inside compartment shall be painted with polyurethane painting of suitable thickness not less 150 micron for costal condition. (iii) Copper short pieces for 3 phases and neutral of 4000 Amps with nuts, bolts and washers (set of two) shall be provided for by pass the ACBs when ACBs shall be out of order/under repair. Size shape and holes of short pipes shall match the system and ready to fix for operation. Make for CSS : C&S Electric/ABB/SEIMENS/SCHNEIDER

Supply, install, test and commissioning of RMU 4 ways (02 Nos for incoming and 02 Nos for outgoing), extensible HT 11 KV outdoor type 21KA for 3 sec, rated voltage-12KV, operation voltage 11 KV, rated lightening withstand voltage-75KV, rated frequency 50Hz, 630 amp copper bus bar, SF6 insulated compact switch gear, welded stainless steel enclosure with minimum 2.5 mm thickness, totally enclosed Ring Main Unit IP-67 protection for SF6 Tank and IP 55 protection for outdoor enclosure with self powered microprocessor based complete numerical over current & earth fault relay with specification/equipment with power backup 24 volts DC including mechanically and electrically interlocking system for incoming VCBs complete with all accessories comprising of following (VVVV+M configuration):- (a) Fixed manual Vacuum circuit breaker (VCB) , SF6 gas insulated- 02 (two) No for incoming Vacuum circuit breaker unit insulated in SF6 media as per latest IEC 62271-200 shall be comprising of the following for each set:- (i) Assembly of VCB interrupter complete with epoxy support insulator and self aligning isolating contacts with rating 11 KV, 630 Amp, 21 KA for 3 sec, 50 Hz.. (ii) Manual charged and manual operated independent closing/tripping, trip free operating mechanism and breaker closed/open spring charged/discharge indication.

(iii) Mechanical operation counter- 01 No. (iv) One bus bar chamber including a set of 3 phase 630 Amps copper bus bar. (v) Strip heater 230 volts AC single phase 80 watt. (vi) 3 0/C + 1 E/F self powered numerical protection relay with low and high set for over current and earth fault. Relay should have facility to display the maximum loaded phase current also. Relay shall record minimum 5 fault record with time stamping. (vii) Aux. Transformer relays and master trip relay. (viii) One No potential transformer (PT) three phase, dry type(resin cast) fixed type 11 KV/110 volts, 25 VA burden, accuracy class 0.5 with HT. (ix) Current transformer chamber comprising of 3 Nos single phase resin cast CTs of 100-50/5 and accuracy class 0.5 for metering and class 5P 10 for protection, burden 2.5 VA in VCB feeder- each set for all VCBs. (x) Multifunction meter indicating line/phase current,line/phase voltage, power factor, KVAR, KVA, frequency, maximum demand in KVA, demand in KWH etc with accuracy class 0.5 – 2 No (for 02 incoming VCBs).VCB PANEL SHOULD COMPRISE OF THE FOLLOWING FEATURES:- (b)Fixed manual Vacuum circuit breaker (VCB) , SF6 gas insulated- 02 (two) No for outgoing Vacuum circuit breaker unit insulated in SF6 media as per latest IEC 62271-200 shall be comprising of the following for each set:- (i) Assembly of VCB interrupter complete with epoxy support insulator and self aligning isolating contacts with rating 11 KV, 630 Amp, 21 KA for 3 sec, 50 Hz.. (ii) Manual charged and manual operated independent closing/tripping, trip free operating mechanism and breaker closed/open spring charged/discharge indication. (iii) Mechanical operation counter- 01 No. (iv) One bus bar chamber including a set of 3 phase 630 Amps copper bus bar. (v) Strip heater 230 volts AC single phase 80 watt. (vi) 3 0/C + 1 E/F self powered numerical protection relay with low and high set for over current and earth fault. Relay should have facility to display the maximum loaded phase current also. Relay shall record minimum 5 fault record with time stamping. (vii) Aux. Transformer relays and master trip relay. (viii) One No potential transformer (PT) three phase, dry type(resin cast) fixed type 11 KV/110 volts, 25 VA burden, accuracy class 0.5 with HT. (ix) Current transformer chamber comprising of 3 Nos single phase resin cast CTs of 100-50/5 and accuracy class 0.5 for metering and class 5P 10 for protection, burden 2.5 VA in VCB feeder- each set for all VCBs. (x) Multifunction meter indicating line/phase current,line/phase voltage, power factor, KVAR, KVA, frequency etc with accuracy class 0.5 – 2 No Note : The enclosure alongwith all inside compartment shall be painted with polyurethane painting of suitable thickness not less 150 micron for coastal condition. MAKE for RMU: SIEMENS/ABB/ Schneider/L&T/C&S Electricals.

Supply, installation, testing and commissioning of RMU 5 ways (01 No for incoming and 04 Nos for outgoing), extendible HT 11 KV outdoor type 21KA for 3 sec, rated voltage-12KV, operation voltage 11 KV, rated lightening withstand voltage-75KV, rated frequency 50Hz, 630 amp copper bus bar, SF6 insulated compact switch gear, welded stainless steel enclosure with minimum 2.5 mm thickness, totally enclosed Ring Main Unit IP-67 protection for SF6 Tank and IP 55 protection for outdoor enclosure with self powered microprocessor based complete numerical over current & earth fault relay with specification/equipment with power backup 24 volts DC including mechanically and electrically interlocking system for incoming VCBs complete with all accessories comprising of following (VVVVV+M configuration):- (a) Fixed manual Vacuum circuit breaker (VCB) , SF6 gas insulated- 01 (One) No Vacuum circuit breaker unit insulated in SF6 media as per latest IEC 62271-200 shall be comprising of the following for each set:- (i) Assembly of VCB interrupter complete with epoxy support insulator and self aligning isolating contacts with rating 11 KV, 630 Amp, 21 KA for 3 sec, 50 Hz.. (ii) Manual charged and manual operated independent closing/tripping, trip free operating mechanism and breaker closed/open spring charged/discharge indication. (iii) Mechanical operation counter- 01 No.

(iv) One bus bar chamber including a set of 3 phase 630 Amps copper bus bar. (v) Strip heater 230 volts AC single phase 80 watt. (vi) 3 0/C + 1 E/F self powered numerical protection relay with low and high set for over current and earth fault. Relay should have facility to display the maximum loaded phase current also. Relay shall record minimum 5 fault record with time stamping. (vii) Aux. Transformer relays and master trip relay. (viii) One No potential transformer (PT) three phase, dry type(resin cast) fixed type 11 KV/110 volts, 25 VA burden, accuracy class 0.5 with HT. (ix) Current transformer chamber comprising of 3 Nos single phase resin cast CTs of 100-50/5 and accuracy class 0.5 for metering and class 5P 10 for protection, burden 2.5 VA in VCB feeder- each set for all VCBs. (x) Multifunction meter indicating line/phase current,line/phase voltage, power factor, KVAR, KVA, frequency, maximum demand in KVA, demand in KWH etc with accuracy class 0.5 – 01No (for incoming VCB). (b)Fixed manual Vacuum circuit breaker (VCB) , SF6 gas insulated- 05 (five) No Vacuum circuit breaker unit insulated in SF6 media as per latest IEC 62271-200 shall be comprising of the following for each set:- (i) Assembly of VCB interrupter complete with epoxy support insulator and self aligning isolating contacts with rating 11 KV, 630 Amp, 21 KA for 3 sec, 50 Hz.. (ii) Manual charged and manual operated independent closing/tripping, trip free operating mechanism and breaker closed/open spring charged/discharge indication. (iii) Mechanical operation counter- 01 No. (iv) One bus bar chamber including a set of 3 phase 630 Amps copper bus bar. (v) Strip heater 230 volts AC single phase 80 watt. (vi) 3 0/C + 1 E/F self powered numerical protection relay with low and high set for over current and earth fault. Relay should have facility to display the maximum loaded phase current also. Relay shall record minimum 5 fault record with time stamping. (vii) Aux. Transformer relays and master trip relay. (viii) One No potential transformer (PT) three phase, dry type(resin cast) fixed type 11 KV/110 volts, 25 VA burden, accuracy class 0.5 with HT. (ix) Current transformer chamber comprising of 3 Nos single phase resin cast CTs of 100-50/5 and accuracy class 0.5 for metering and class 5P 10 for protection, burden 2.5 VA in VCB feeder- each set for all VCBs. (x) Multifunction meter indicating line/phase current,line/phase voltage, power factor, KVAR, KVA, frequency etc with accuracy class 0.5 – 4 Nos (for 04 outgoing VCBs). Note : The enclosure alongwith all inside compartment shall be painted with polyurethane painting of suitable thickness not less 150 micron for coastal condition. MAKE for RMU: SIEMENS/ABB/ Schneider/L&T/C&S Electricals.

Supply, install, test and commissioning of 4000 Amps rated current IP65 (Outdoor) and IP-55 (Indoor) of following items of Sandwich type busduct system of 1000V, 50Hz TPN with 100% Neutral with copper conductor made from high ETP grade Cu conductivity not less than 99.9% insulated by Class F (PET) Material/having current density 160 A/Sqcm with 1.5mm thick hot galvanized sheet steel enclosure confirming IK-10 degree of impact strength treated according to UNI 10327 and painted with RAL7035 resins with high resistance to chemical agents with three phase short time current withstand capacity of 75KA for 1 sec, fire retardant including factory fitted junction monoblock IP 55 joint cover, elbow, flanged end standard support bracket with 50x6mm two runs of GI external earth strip and busduct design will be in compliance with IEC61439-8 all as specified and the following to connect at CSS and LT panel including and with all as specified and directed. Note: (i) Support of structural steel for bus duct system shall be measured and paid separately. (ii) Item shall be procured after installation of transformer and connected LT panel and APFC panel to suit site requirement. (iii) PCC item required for fixing of busduct/support shall be deemed to be included in the quoted rate. (iv) Any item not mentioned in the item but required at site shall be provided at no extra cost. (v) Cost of GI earth strip is included in the item quoted rate. Make:Siemens/Legrand/Schneider/C&S.

4000 Amps outdoor busduct – IP 65

4000 Amps Indoor busduct – IP 55

4000 Amps Elbow – IP 65 (vertical/horizontal )

4000 Amps Elbow – IP 55 (vertical/horizontal)

4000 Amps Flanged end – IP 65

4000 Amps Flanged end – IP 55

4000 Amps Copper flexible jumper (TPN)

4000 Amps Copper shorting links

Adopter Boxes

Canopy made by 1.5mm sheet steel with duly painted for outdoor applications

Supply, install, test and commissioning of 800 Amps rated current IP-55 (Indoor) of following items of Sandwich type busduct system of 1000V, 50Hz TPN with 100% Neutral with copper conductor made from high ETP grade Cu conductivity not less than 99.9% insulated by Class F (PET) Material/having current density 160 A/Sqcm with 1.5mm thick hot galvanized sheet steel enclosure confirming IK-10 degree of impact strength treated according to UNI 10327 and painted with RAL7035 resins with high resistance to chemical agents with three phase short time current withstand capacity of 75KA for 1 sec, fire retardant including factory fitted junction monoblock IP 55 joint cover, elbow, flanged end standard support bracket with 50x6mm two runs of GI external earth strip and busduct design will be in compliance with IEC61439-8 all as specified and the following to connect at CSS and LT panel including and with all as specified and directed. Note:- (i) Support of structural steel for bus duct system shall be measured and paid separately. (ii) Item shall be procured after installation of transformer and connected LT panel and APFC panel to suit site requirement. (iii) PCC item required for fixing of busduct/support shall be deemed to be included in the quoted rate. (iv) Any item not mentioned in the item but required at site shall be provided at no extra cost. (v) Cost of GI earth strip is included in the item quoted rate. Make:Siemens/Legrand/Schneider/C&S.

800 Amps Indoor busduct – IP 55

800 Amps Elbow – IP 55 (vertical/horizontal)

800 Amps Flanged end – IP 55

800 Amps Copper flexible jumper (TPN)

800 Amps Copper shorting links

Adopter Boxes

Material and Labour for earthing complete with GI earth plate electrode 60cm x 60 cm x 6 mm thick buried directly in ground (earth pit not less than 2.25 M deep below ground level) with top edge of the plate not less than 1.5 Meter below normal ground level connected to GI strip of 32x6 mm as main earthing lead (upto 7.5 m length from earth electrode to test point) by means of galvanised iron or steel bolts, nuts , check nuts & GI washers and GI tubing 40 mm bore medium grade for earth lead protection up to main earth test point and including concrete pit in PCC (1:3:6) type C1, pre cast RCC (1:2:4) type B1 as in cover slab 54 x 54 x 5 cm including 8mm dia MS TMT bars @ 150 mm c/c as in reinforcement with one handle for lifting made out of 8 mm dia MS bar, wire mesh, 20 mm bore GI tubing (Light Grade) for watering and funnel, charcoal or coal and salt in alternate layers including excavation earth work in any type of soil, RFR and removal of surplus soil complete all as specified and directed electrical plate No. 3 of SSR part - I complete all as specified and directed. Note: Earthing strip beyond 7.5m shall be measured and paid separately.

Material and Labour for earthing complete with Copper earth plate electrode 60cm x 60 cm x 3.15 mm thick buried directly in ground (earth pit not less than 2.25 M deep below ground level) with top edge of the plate not less than 1.5 Meter below normal ground level connected to Copper strip of 25x3 mm as main earthing lead (upto 7.5 m length from earth electrode to test point) by means of galvanised iron or steel bolts, nuts , check nuts & GI washers and GI tubing 40 mm bore medium grade for earth lead protection up to main earth test point and including concrete pit in PCC (1:3:6) type C1, pre cast RCC (1:2:4) type B1 as in cover slab 54 x 54 x 5 cm including 8mm dia MS TMT bars @ 150 mm c/c as in reinforcement with one handle for lifting made out of 8 mm dia MS bar, wire mesh, 20 mm bore GI tubing (Light Grade) for watering and funnel, charcoal or coal and salt in alternate layers including excavation earth work in any type of soil, RFR and removal of surplus soil complete all as specified and directed electrical plate No. 3 of SSR part - I complete all as specified and directed. Note: Earthing strip beyond 7.5m shall be measured and paid separately.

Supply and fix insulating mat Elecsafe-AH-Insulated electrical matting as per IS 15652-2000 Class B, working valtage upto 11 KV, 2.5mm thickness, 1x5m with one side fine chequered and other side anti skid small button. Make: Raychem, Jaipuria and equivalent complete all as specified and directed.

Supply install, testing and commissioning of indoor type floor mounted / self standing cubical LT panel of required size with the general construction shall conform to IS – 8623 – 1977 (Part – I) CPRI approved with copper bus bar of 4000 A for RYB (phases) and 2000 A for neutral including copper bus bar as down links / connectivity links to LT ACBs for connecting all incoming, outgoing cables and bus couplers to accommodate switch gears :- Incoming :- (a) ACB 4 pole, 415 volts, 3 phase, AC 50 Hz, 4000A, 75 / 85 KA breaking capacity, manual draw out, Adjustable type - 02 Nos (01 No for CSS and 01 No for DG incoming). (b) Bus coupler ACB 4000A, 4 pole, 75 / 85 KA breaking capacity, manual draw out, Adjustable type-– 02 Nos. (c) Bus bar copper of 4000A for phase (RYB) & 2000A for neutral. Outgoing :- (a) ACB, 2000A, 4 pole, 3 phase 415 volts, 50 KA breaking capacity manual draw out, Adjustable type – 02 Nos. (b) ACB 1600 A, 4 pole, 3 phase, 415 volts, 50 KA breaking capacity, manual draw out, Adjustable type – 01 No. (c) ACB 800 A, 4 pole, 3 phase, 415 volts, 50 KA breaking capacity, manual draw out, Adjustable type – 02 Nos. (Total (04+05) 09 Nos of ACBs) all front door operator type (i) LED digital multifunctional meter of class 1.0 accuracy & to measure Amps, Volts, KW, KWH, KVA, PF with suitable CT of 4000/5A, 5VA – 02 No. (01 for Main supply & 01 for DG supply) (ii) Over current / short circuit / earth fault relay for all ACBs.

(iii) LED indication lamps for (RYB) with MCB protection with healthy and fault indication required CTs in all incomer units and all outgoing distribution sections. (iv) Interconnection with required copper strip, size of cubical panel with front hinged door and rear door & with suitable locking arrangement with degree of protection IP-54 made out of channel 100mm x 40mm size, 2mm thick CRCA sheet in different compartment to accommodate various of electrical items with suitable chamber for copper bus bar for incoming and common tapping in for distribution switchgear with interlocking attachment. Note: Both the bus coupler shall be provided electrically/mechanically inter locking system, so that only one incoming feeder shall be “ON” at a time to avoid accident. (ii) ACBs shall be microprocessor based release for over load, short circuit and earth fault protection. (iii) R.Y.B ON-OFF-TRIP Indication with MCB protection shall be provided. (iv) The LT panel enclosure alongwith all inside compartment shall be painted with polyurethane painting of suitable thickness not less than 150 micron for coastal condition. Make of ACBs : L&T / Schneider / ABB / Siemens/Legrand

Material and labour for lifting the RCC slab, approximate length (2 to 4.5m) x width (1 to 2m) and upto 300 mm thick and about 3.0 to 5.0 ton in weight on IN jetty as per site condition by cutting/chipping the clearance, groove all around, keeping aside using a crane for laying of LT/HT cables including cleaning of cable duct and replacing RCC slab at the same location after carrying out repairs including making good the surface with pack 1:2:4 complete all as specified and directed. Note: Two to three Nos of slab shall be taken out/ removed as per site condition for laying of cables/earth strip in the cable duct of Jetty after for a span of 15 to 20 metres or as per site requirement.

Material & Labour for making good the existing RCC Jetty slabs to its original shape and thickness with RCC 1:2:4 type B1 (using 20mm graded stone aggregate) with replacement of MS angle iron frame and reinforcement bars wherever required, lifting hooks all as per existing slab including necessary formwork complete all as specified and directed.

Supply and lay 32mm x 6mm GI strip for connecting machinery from earthing including connection / terminating with GI nut, bolt, spring washer etc and necessary clamps to fix on jetty complete all as specified and as directed.

Supply, lay, test and commissioning of cable XLPE insulated, screened, PVC bedded, galvanised steel strip or wire armoured electric power cables (heavy cables) 1100 Volts grade with stranded aluminium conductor of size 400 Sqmm 3.5 core aid in trenches/floors/ducts or fixed on wall with suitable clamps/saddles or drawn through pipes etc. complete all as specified and directed.

Supply and lay GI pipe 100 mm dia medium grade in trench for road crossings / obstructions for cable protection complete all a specified and directed.

Cutting the existing road surface / PCC / footpath for laying of HT/LT cables including excavation of trenches, returning filling, removal of soil of any type, including making good to disturbed surfaces with PCC 1:2:4 type B1 using 20mm graded stone aggregate, necessary formwork including watering complete all as specified and directed.

Supply and lay 25mm x 3mm copper strip for connecting machinery from earthing including connection / terminating with GI nut, bolt, spring washer etc and necessary clamps to fix on jetty complete all as specified and directed.

Supply and fix structural steel section support / staging / chamber cover along with breaking support clamps and back plate fabricated including nuts, bolts, welding and bending cold or hot drilling holes for bolts in any shape or size as indicated or complete all as specified and directed.

Supply, install, test and commissioning of APFC panels with MD-XL capacitor (Super Heavy duty square capacitor with 14% detuned reactor of 3mm thick, indoor type and suitable size to accommodate capacitor bank of rating 450 KVAR comprising of step size (2x100+4x50+2x25) KVAR, 8 steps, Super Heavy duty gas filled capacitor with copper busbar of rated capacity including MCCB of 800 Amps, 50 KA breaking capacity, adjustable type as incomer, auto + manual switches, outgoing of corresponding rated MCCBs alongwith necessary power contactors, digital multifunctional meter for measuring Amps, voltage, frequency, power factor energy with suitable CTs along with inbuilt exhaust fan with auto sensor, automatic operation when required including control wiring all as required at site complete all as specified and directed. Note : The enclosure alongwith all inside compartment shall be painted with polyurethane painting of suitable thickness not less 150 micron for coastal condition.

KB PROJECTS

K B Contracts Pvt Ltd

Ratha Dulava Das Co.

BHARAT MULTITECH INDUSTRIES PVT LTD

Prasur Electricals & Engineering Co.

PTech Engineers

IMPERIAL ENGINEERING COMPANY

Sant Construction Co.

SANJEEV CONSTRUCTIONS

GCVD INFRATECH PVT. LTD.

rvelectricals