Extension of Power Supply from New Intake Point to Utility Building and Further to Existing Sub Station at Jabalpur Airport (Electrical Works)

Amount

33 KV HT PANEL - DETAILED DISCRIPTION AS BELOW AND AS SPECIFIED- INDOOR BREAKER PANEL

Supply, Installation, Testing & Commissioning of Indoor type, floor mounted, metal clad, construction Lsc2b , totally enclosed 33kV Switch Board VCB panel as per IEC 62271 ,IS‐3427 with latest amended up to date and as per specifications, having 03 Nos. VCB panel boards as per SLD (detailed description at Item no. 1.02 & 1.03). Panel shall house breakers having totally enclosed, fully interlocked, horizontal isolation, horizontal drawout on floor, Single break vacuum interrupters with trip free mechanism, motorised charged (230VAC) and auto/manual tripping/closing continuous duty coils (24/30VDC), ON/OFF indicators, in‐built spring charging handle, hand trip device and mechanical anti‐pumping arrangement, suitable for 33 KV, 3‐Phase, 50Hz A.C. , along with CTs/PTs, bus‐bars, cable‐chambers all enclosed inside arc‐proof chambers made from corrosion resistant Galvanized/Aluzinc sheets 2mm thick enclosure, complete with capability to handle short time current of 26.3 kA for 3 sec, Internal Arc for AFLR 26.3 kA for 3 sec (as per IEC), also as per site requirement and as per local electricity authority complete. The panel shall be completed with interconnections, space heaters, earthing, etc. and equipped with following switchgears and accessories including making capacity earth switch on each feeder, connections suitable for cable upto 1Runs x3C x 185sqmm XLPE cable of 33KV on incomer & outgoing 1Run x 3C x 185sqmm of same grade (cable entry from bottom). Microprocessor based (O/C, SC + E/F) with HT switchgear including suitable protection relays, metering, LED indications, push buttons, busbars, as per the requirement detailed in the tender documents/ SLD etc. complete with self contained, fully interlocked, rack in and rack out mechanism, Aluminium bus bars with PVC heat shrinkable sleeves of 630 Amps capacity also featured with mechanical ON/OFF indicator as required. The panel shall be complete in all respects including foundation frame, bolting, grouting and shall be installed with sufficient clearance from side/rear/top as per safety guidelines. The panel shall be provided with arc flash protection as per specifications. The panel shall be complete with suitable surge protection device required for the suitable voltage level and withstanding current. The panel shall be complete with FRLSH copper stranded conductor wiring, Terminal Blocks, cable‐ducts, isolation MCBs, LED illumination, power‐socket and space‐heater with thermostat complete as required as described in Item No 1.02 & 1.03 (Refer payment Terms :100% Payment on completion of work ).

Supplying of the following sizes of 33KV Alum. Earthed, Armoured XLPE individually screened core HT power cable as per IS7098(part-2) amended up-to-date, as per specifications.

33 KV (E), 3C x 185 Sq. mm XLPE Aluminium Armoured cable

Laying of one number PVC insulated and PVC sheathed / XLPE power cable of 33 KV grade of following size direct in the existing RCC Hume Pipe/DWC HDPE Pipe etc as required.

Above 120 sq. mm and upto 400 sq. mm

Laying of one number PVC insulated and PVC sheathed/XLPE power cable of 33 KV grade of following size in the existing masonry open duct as required.

supplying and making indoor cable end termination with heat shrinkable jointing kit complete with all accessories including lugs suitable for following size of 3 core, XLPE aluminium conductor cable of 33 kV grade as required.

Supplying and making outdoor type straight through cable jointing with heat shrinkable jointing kit complete with all accessories including ferrules suitable for following size of 3 core, XLPE aluminium conductor cable of 33 KV grade as required :

supplying and making outdoor cable end termination with heat shrinkable jointing kit complete with all accessories including lugs suitable for following size of 3 core, XLPE aluminium conductor cable of 33 kV grade as required.

Supply of following size of 1.1 kv grade FRLS aluminium conductor XLPE insulated and PVC sheathed armoured cable as per IS: 7098:1988 (Part-I) with upto date amendments.

3½ core X 35 Sq.mm. A2XFY

3½ core X 50 Sq.mm. A2XFY

3½ core X 120 Sq.mm. A2XFY

Supply of following size of PVC /XLPE insulated PVC sheated, copper conducter armoured electric cable of 1.1 KV grade confirming to IS 1554 PART-I/IS 7089 PART-I with upto date amended.

3 Core X 2.5 Sqmm

Laying of one number PVC insulated and PVC sheathed / XLPE power cable of 1.1 KV grade of following size direct in the existing RCC Hume Pipe/DWC HDPE Pipe etc as required.

Up to 35 sqmm

Above 70 sq. mm and upto 150 sq. mm

Supplying and making indoor end termination with brass double compression gland (Heavy duty type) and aluminium lugs for following size of PVC insulated and PVC sheathed / XLPE aluminium conductor cable of 1.1 KV grade as required.

3½ core X 35 Sq.mm.

3½ core X 120 Sq.mm.

Supplying and making indoor end termination with brass single compression gland (Heavy duty type) and copper lugs for following size of PVC insulated and PVC sheathed / XLPE copper conductor cable of 1.1 KV grade as required.

3 Core X 2.5 Sqmm

Providing and laying Non Pressure NP-3 class (Medium duty) R.C.C. pipes with collars/spigot jointed with stiff mixture of cement mortar in the proportion of 1:2 (1 cement : 2 fine sand) including testing of joints etc. complete.

300 mm dia RCC pipe

LT PANELS

(THE LT PANELS SHALL BE AS PER FINALIZED DESIGN/DRAWING & DISCUSSIONS)

SUPPLY,INSTALLATION,TESTING & COMMISSIONING OF LT PANELS WITH SPECIFIC INCLUSIONS:

The outgoing feeders as indicated in SLD shall have suitable range of followings.

ALL Digital electronic MFM and KWH meter shall be provided with RS 485 port/RJ‐45 communication port compatible for BMS & Three phase indicating lamps protected by 2 amps SP MCBs.

All MCCB's shall be suitable for (Icu= Ics= 100% at 415/433Volts, ‐‐kA for 1 sec as specified in the item,.)

All incoming as well as outgoing feeders shall have pad locking facility.

Suitable danger board shall be provided

All MCCB’s shall be provided with front rotary handle and operating mechanism for door interlock with Pad locking of MCCB’s handles in “OFF” Position.

The Panel fabricator shall provide Al. Bus‐bars link from Breakers wherever more than two nos. of cables are terminated in the breakers.

All hinged door shall be earthed through 2.5 sq mm tinned braided copper wire.

All the panels containing switchgear upto 250A rating shall be PTTA as per IS 8623/IEC 60439, and above 630A shall be type tested assembly as per IEC:61439

Enclosed type with floor mounted dust and vermin proof fully compartmentalised indoor type cubical, IP 42 , LT distribution board fabricated from 2 mm thick CRCA sheet (confirming to IEC.60439(PTTA) having all switch gear separate from hinged doors with properlyfitted gasket, painting and complete with interconnection with suitable size PVC insulated copper wire etc and having following switchgears , instrument etc.

All the ATS shall be suitable for withstanding the fault current same as of the panel & complying to the specifications.

All the panels shall be internal arc protection for minimum 0.3 sec. as per IEC and specifications.

Supporting/Base rigid steel framework.

All Back access panel shall be housed with encapsulated Spark gap based class‐1/type‐1 SPD with in built fuse for each incomer at each Bus Section of 100kA 10/350mS as per IS/IEC 62305‐3 LPL‐I. All front operated panel/Sub panels shall be housed with Mov(Metal Oxide Varistor) based class‐2/type‐2 SPD with in built fuse for each incomer at each Bus Section of In 10kA & Irms 20kA 5/20mS as per IS/IEC 62305‐3 LPL‐I.

Floor Mounted Panel as per detailed Specification below Itm no. 14.21 to 14.31)

Incomers:

i) 1 No. 200 Amps. 4P MCCB 25 KA, Icu=Ics with thermo magnetic based release having O/L ,S/C earth fault protection & necessary equipped with the following:

a) 3 Nos. Phase indication LED lamps with 2Amp back up MCB, breaker 'ON/OFF/TRIP' indicating light with 2A MCB

Digital Multifunction Meter, accuracy class 0.5s, with LED screen as per specs. with 3 Nos. cast resin current transformers of dual core CT's of suitable Amp. ratio, 5 VA Class1.0 metering. ,protection MCBs as required accessories to complete the system.

Bus Bar :

2 Sections of Electrolytic high conductivity Aluminium extensible three phase and neutral busbars rated at 250 amps , & auxiliary Bus Bars of suitable capacity insulated with heat shrinkable coloured PVC sleeves & suitable to withstand symmetrical fault level of 25 kA at 433 volts, i/c DMC/SMC bus bars supports at required intervals complete for cross section, size supports & their spacing etc.

Outgoings:

All MCCB (Ics=lcu) with O/L, S/C,E/F followings shall be applicable to each.

All outgoing with MCCB for O/C, S/C,E/F protection with On, off trip indications of following capacity and rating, 16 KA (Ics=Icu=100% ) with Set of Digital flush type calibrated Intelligent multifunction meters (with communication port) suitable rating class ‐ 1.0 accuracy , showing V, A, KW with 3 Nos. cast resin current transformers of dual core CT's of suitable Amp. ratio, 5 VA Class 1.0 metering. , Spreader links and phase barrier, solid neutral link complete with wiring , connections etc.

i) Nos. ‐ 1 Nos Thermal Magnetic 100 Amp. 4P MCCB 16 kA.

i) Nos. ‐ 4 Nos Thermal Magnetic 63 Amp. 4P MCCB 16 kA.

Constructing masonry chamber Size 1000 mm x 1000 mm x 1200 mm with FPS bricks, inside with brick work in cement mortar 1:4 ( 1 cement : 4 Coarse sand ) and suitable RCC slab necessories excavation foundation concrete and inside plastering with cement mortar 1:3 (1 cement : 3 coarse sand) 12 mm thick finished with a floating coat of neat cement complete as required

Supplying and fixing cable route marker with 10 cm X 10 cm X 5 mm thick G.I. plate with inscription there on, bolted /welded to 35 mm X 35 mm X 6 mm angle iron, 60 cm long and fixing the same in ground as required.

Supplying and fixing of shock treatment/ restoration charts written in Hindi and English duly framed and covered with 3.0 mm glass as required

Supply of First Aid Box required as per IS- 13115.

Supply of HT 36 KV rubber Hand gloves as per IS 4770-1991

Providing and fixing H.T. danger notice plate of 250 mm X 200 mm, made of mild steel, at least 2 mm thick, and vitreous enamelled white on both sides, and with inscription in single red colour on front side as required & approved by the Engineer Incharge.

Suitable Size as per norm Rubber mat for 33 KV HT breaker

Earthing with GI Plate 600 mm x 600 mm x 6 mm thick including accessories and providing masonry enclosure with cover plate having locking arrangement and watering pipe of 2.7 mtr long etc. with charcoal/coke and salt as required

50mmx 12mm GI strip on surface or in recess as required

Providing & Laying earth connection from earth electrode with 6 SWG Dia GI wire in 15 mm dia GI Pipe from earth electrode including connection with GI thimble excavation and refilling as required.

Supplying and laying of following size DWC HDPE pipe ISI marked along with all accessories like socket, bend, couplers etc. conforming to IS 14930, Part II complete with fitting and cutting, jointing etc. direct in ground (75 cm below ground level) including excavation and refilling the trench but excluding sand cushioning and protective covering etc., complete as required.

160 mm dia (OD-160 mm & ID-135 mm nominal)

120 mm dia (OD-120 mm & ID-103 mm nominal)

63 mm dia (OD-63 mm & ID-51 mm nominal)

SH-Wiring

Wiring for light point/ Fan Point/exhaust fan point/ call bell point with 1.5 sqmm FRLS PVC insulated copper conductor single core cable in surface/ recessed medium class PVC conduit with modular switch, modular plate, suitable GI Box and earthing the point with 1.5 sqmm. FRLS PVC insulated copper conductor single core cable etc including all fitting and accessories as required.

Wiring for group controlled (looped)light point/ Fan Point/exhaust fan point/ call bell point ( without independent switch etc.)with 1.5 sqmm FRLS PVC insulated copper conductor single core cable in surface/ recessed medium class PVC conduit with modular switch, modular plate, suitable GI Box and earthing the point with 1.5 sqmm. FRLS PVC insulated copper conductor single core cable etc including all fitting and accessories as required.

Wiring for power plug with 2X4 sq. mm FRLS PVC insulated copper conductor single core cable in surface/ recessed medium class PVC conduit alongwith 1 No 4 sq. mm FRLS PVC insulated copper conductor single core cable for loop earthing as required. MCB should be provided separately.

Supplying and fixing suitable size GI box with ( 3 module) modular plate and cover in front on surface or in recess, including providing and fixing 1 nos.6 pin 6/16 A modular socket outlet and 1 nos.15/16 A modular switch, connections etc. as required.

Supply,Installation,testing &commissioning of 5 star BEE rated ,ISI marked energy efficient sweep ceiling fan with double ball bearing , motor ,blades , down rod , canopies , capacitor etc .Suitable for operation on 230 volts , 50 Hz. , single phase , AC supply complete as required of and as per specifications attached .(1200mm Sweep) .Including step type 2 Module heavy duty ceiling fan regulator.

Supply, Installation, Testing & Commissioning of LED Flood Light 50 Watt including all accessories for fixing the light. The Fixture should comply with the other parameters as per IS 10322. Luminaire shal have minimum surge protection of 2 KV.

Supply, Installation, Testing & Commissioning of LED 10 Watt bulkhead light Fixture.

Supply, Installation, Testing & Commissioning of LED 20 Watt Tube light Fixture.

Supply, Installation, Testing & Commissioning of Exhaust Fan 450 mm sweep in the opening including making the hole to suit the size of the above fan including Louvers / Shutters with Frame making good the damages etc as reqired.

Supplying and fixing following way, horizontal type three pole and neutral, sheet steel, dust protected, MCB distribution board, 415 V, on surface/ recess, complete with tinned copper bus bar, neutral bus bar, earth bar, din bar, interconnections, powder painted including earthing etc. as required. (But without MCB/RCCB/Isolator)

4 Way (4+12) double door

4 Way (2+4) SPN DB Including digital timer and contactor (24 Hours)

Supplying and fixing 5 A to 32 A rating, 240/415 V, 10 kA, “C” curve, miniature circuit breaker suitable for inductive load of following poles in the existing MCB DB complete with connections, testing and commissioning etc. as required.

Single pole

TPN - 32 Amp 415 Volt

Supplying fixing, testing & commissioning of following rating, double pole, 240 V, residual current circuit breaker (RCCB), having a sensitivity current 100 mA in the existing MCB DB complete with connections, testing and commissioning etc. as required.

Supplying fixing, testing & commissioning ISI marked portable type fire extinguishers of C02 type 9 kg capacity as per IS-15683 complete as per specification and fixed/ install as per site condition:

Supplying fixing, testing & commissioning ISI marked portable type fire extinguishers of 5KG capacity ABC Dry Chemical Powder as per IS-15683 complete as per specification and fixed/ install as per site condition:

Dismentling of existing HT Panel 33 KV ( 1 No incoming & 2 Nos outgoing ) available at sub-station building including HT Cable termination, shifting of panels to AAI store etc complete as required and as directed by Engineer Incharge.

Konstelec Engineers Pvt. Ltd.

EVERCREST PROJECTS PVT LTD

HIMALAYA GENERATORS

Choubay And Co.(Agencies) Pvt.Ltd.

PUSHPRAJ ENTERPRISES