Trans-Installation of DG Set and associated works at CISF Barrack of Chennai Airport

Amount

SH-I : Supply of Sub Station Equipments

Fabrication and supply of cubical type LT Panel - type tested design as per IEC 61439-1 & 2 suitable for 415 V, 3 Phase, 4 wire 50 Hz AC supply, made out of 2 mm thick CRCA sheet steel, 3 mm thick for gland plates, dust tight, vermin proof, totally enclosed, the degree of protection of enclosures system of IP42 in accordance with IEC 60529, Form 4b compartmentalised design, floor mounting, free standing, extensible on both sides i/c cleaning & finishing complete with 7 tank process for powder coating in approved shade, having 800 Amps capacity FP Aluminium bus bars of high conductivity, DMC/SMC bus bar supports with short circuit withstand capacity of 50 KA for 1Sec., bottom base channel of MS section not less than 100 mm x50 mm x 5 mm thick, fabrication done in transportable sections, entire panel having a common copper earth bar of size 50mm x 5 mm at the rear with 2 Nos. earth stud at rear side, solid connections from main bus bars to switch gears with required size of Aluminium bus bars and control wiring with 1.5 Sq.mm. FRLSH PVC insulated copper conductor cable for potential sensing, 2.5 Sq.mm. FRLSH PVC insulated copper conductor cable for current carrying, cable alleys, cable gland plates and suitable for indoor operation, complete with all accessories, interconnection, earthing etc., as required and comprising of following switch gears:

Incoming:

One No. 630A, 50 KA, Four Pole MCCB (Ics=Icu) as EB Supply Incomer with inbuilt O/L, S/C and earth fault Protection with microprocessor based release and provided with Three Nos. Cast resin of suitable rating CTs with digital Multifunction Meter having RS 485 port (EM6400NG of Schneider make or equivalent), ON/ OFF/ TRIP and Phase indication LED indication lamp along with control MCBs as per Standard practice etc., as required.

One No. 630A, 50 KA, Four Pole MCCB (Ics=Icu) as DG Supply Incomer with inbuilt O/L, S/C and earth fault Protection with microprocessor based release and provided with Three Nos. Cast resin of suitable rating CTs with digital Multifunction Meter having RS 485 port (EM6400NG of Schneider make or equivalent), ON/ OFF/ TRIP and Phase indication LED indication lamp along with control MCBs as per Standard practice etc., as required.

Two incomers shall be Electrically and Mechanically interlocked so that only One incomer can be switched on at a time. All accessories such as fuses, auxiliary contactors, auxiliary switches, etc., as required.

Battery charger and other controls:

Outgoing:-

Three Nos. 400 A, 36 KA, Four Pole MCCB (Ics=Icu) with inbuilt O/L, S/C and Earth fault Protection with microprocessor based release and each MCCB provided with one set of Cast resin of suitable rating CTs with digital Multifunction Meter having RS 485 port (EM6459 of Schneider make or equivalent), ON/OFF/TRIP LED indication lamp along with control MCBs as per Standard practice etc., as required.

Two Nos. 250 A, 36 KA, Four Pole MCCB (Ics=Icu) with inbuilt O/L and S/C and Earth fault Protection with microprocessor based release and each MCCB provided with one set of Cast resin of suitable rating CTs with digital Multifunction Meter having RS 485 port (EM6459 of Schneider make or equivalent), ON/OFF/TRIP LED indication lamp along with control MCBs as per Standard practice etc., as required.

Two Nos. 125 A, 36 KA, Four Pole MCCB (Ics=Icu) with inbuilt O/L and S/C fault Protection with thermal magnetic release and each MCCB provided with one set of Cast resin of suitable rating CTs with digital Multifunction Meter having RS 485 port (EM6459 of Schneider make or equivalent), ON/OFF/TRIP LED indication lamp along with control MCBs as per Standard practice etc., as required.

Two Nos. 100 A, 36 KA, Four Pole MCCB (Ics=Icu) with inbuilt O/L and S/C fault Protection with thermal magnetic release and each MCCB provided with one set of Cast resin of suitable rating CTs with digital Multifunction Meter having RS 485 port (EM6459 of Schneider make or equivalent), ON/OFF/TRIP LED indication lamp along with control MCBs as per Standard practice etc., as required.

Busbar:

One Set of FP Aluminium Bus Bars of minimum of 800 A Capacity with heat shrinkable coloured sleeves and i/c DMC/SMC bus bar cross section supports & their spacing etc., for meeting fault level of 50 KA for 1 Sec with adequate size aluminium busbar for interconnection of incomer and outgoing switchgears etc., as required. All accessories such as fuses, auxiliary contactors, auxiliary switches, etc., as required.

All as above 1.01 to 1.14

Incoming

Outgoings:

i) Each Active Harmonic Filter Feeder Consists of: a) 160A, 3P, 36KA, MCCB with Thermal Magnetic release & Spreader links -1No b) 100A AHF Module - 1No. C) HMI i.e. Hybrid PQ controller shall be used to integrate the active and passive sections seamlessly.

ii) 2 Nos. of Capacitor bank and each Feeders Consists of : a) 63A, 3P, 25KA, MCCB Thermal Magnetic with Spreader links -1Set. b) 25KVAR, TP Capacitor duty Contactor - 1No. c) 7% detuned reactor for feeder 25 KVAR - 1No. d) Capacitor shall be of heavy Duty Power Series MPP 25KVAR @ (525V) -1No. iii) 1 No. Capacitor bank and each Feeders Consists of: a) 32A, 3P, 25KA, MCB Thermal Magnetic with Spreader links -1Set. b) 10KVAR, TP Capacitor duty Contactor - 1No. c) 7% detuned reactor for feeder 10 KVAR - 1No. d) Capacitor shall be of heavy Duty Power Series MPP 10KVAR @525V - 1No. iv) 3 Nos. of Capacitor bank and each Feeders Consists of : a) 16A, 3P, 25KA, MCB Thermal Magnetic with Spreader links -1Set. b) 5KVAR, TP Capacitor duty Contactor - 1No. c) 7% detuned reactor for feeder 5 KVAR - 1No. d) Capacitor shall be of heavy Duty Power Series MPP 5KVAR @525V - 1No. All outgoings having a) On/OFF Indications and Puss Buttons Switch - 1 Set Each vertical compartment having a) illumination Lamp, Door Limit switch, Space Heater, Exhaust Fan & Thermostat.

Busbar:

One Set of TPN Aluminium Bus Bars of minimum of 400 A Capacity with heat shrinkable coloured sleeves and i/c DMC/SMC bus bar cross section, size supports & their spacing etc. for meeting fault level of 36 KA for 1 Sec and 25x5mm Copper earth strip etc., as required.

All accessories such as auxiliary contactors, auxiliary switches, push buttons MCBs, rotary handles, phase separators etc., as required.

All as above 2.01 to 2.08.

Supply of nominal 2.0 mm thick (Width 1 Mtr) PVC synthetic, electric insulated mats conforming to IS 15652-2006 having Dielectric strength of 30 KV, no adverse effect of mineral oil, high insulation resistance (Minimum 1,00,000 M Ω on wet condition with 5 KV meggar) with yellow coloured bordered reflective Adhesive sticker of width 50mm at borders etc., as required.

Supply of XLPE insulated and PVC sheathed aluminium conductor armoured power cable of 1.1 KV grade conforming to IS 7098 (Part-I) 1988 as amended upto date and of following size as required:

3.5 X 300 Sq.mm

SH-II: Installation, Testing, commissioning of Sub-Station Equipments.

Installation, Testing and Commissioning of 415V, 800 Amps Bus bar rating MV LT Panel mentioned at SH-I /1 including dismantling of existing LT Panel in Pump room at CISF barrack, provision of supporting "C" channel size 100 x 50 x 6 mm thick including shifting of dismantled LT panel to AAI store etc., complete as required.

Installation, Testing and Commissioning of 75 KVAR + 100Amp. IGBT based Hybrid APFC panel mentioned at SH-I /2 including provision of supporting "C" channel size 100 x 50 x 6 mm thick, laying of 2.5 sqmm multi strand copper conductor PVC insulated and PVC sheathed armoured control cable for sensing purpose between Current Transformers at LT panel and Hybrid APFC panel and all connections and interconnections & including shifting of dismantled APFC panel to AAI store etc., complete as required.

Dismantling & Shifting of LT DG change over Panel comprising of Two No. Incomer with 4 Nos. of MCCBs as Outgoing from outside pump room to inside pump room, mounting on 450 mm height MS pedestal, including disconnection of outgoing and incomer cables and installation, testing and commissioning etc., complete as required.

Dismantling, Shifting and Transporting of 320 KVA LT DG set from Pump room to New LT panel/ DG room including disconnection of control cabling, Power cabling, earthing etc., and Installation, Testing, Commissioning and painting of same DG set in Proposed new location for DG including control cabling, DG functional checks as per OEM's standards or E-I-C direction and pre-commissioning testing including supply and laying of multi strand copper conductor of PVC insulated and PVC sheathed armored control cable for sensing purpose between LT panel and DG set etc., complete as required.

Supply and Fixing of Exhaust gas piping of 150mm diameter for extending the existing smoke exhaust pipe upto the building height for 320 KVA LT DG set with welded black MS B class pipe confirming to IS:3589 cut to required lengths and installed with necessary bends and clamps, insulation of exhaust system with mineral wool/ Rockwool of not less than 50 mm thick, wire mesh & Aluminium cladding with Aluminium sheet thickness of not less than 24 SWG including the bends/ flanges therein, by fixing appropriate size steel screws and washers all over and provision of suitable MS supporting arrangement for exhaust pipe as per site requirement and as approved by EIC etc., complete as required as per specifications.

Supply, Installation, Testing and Commissioning Galvanized Sheet Steel (GSS) square/ rectangular conforming to IS: 277 ducting for dissipation of hot air to outside for 320kVA DG made out of 22SWG (0.64 mm) thick, to be fabricated complete with gaskets, elbows, splitters, vanes including MS angle supporting arrangement as per site requirement and as approved by EIC etc., complete as required as per specifications.

Fixing of nominal 2.5 mm or 2.0 mm (Width 1 Mtr) thick PVC synthetic, Electric insulated mats conforming to IS 15652-2006 along with suitable adhensive/ chemibond on the Surface/ Chequered plates / Concrete Covers over Cable Trench, sealing of all joints and edges, providing reflective tape of 50mm all around the mat etc., complete as required.

SH-III : Laying of Cables, Earthing and Assosiated Works

Laying of one number PVC insulated and PVC sheathed / XLPE power cable of 1.1 KV grade of following size direct in ground including excavation, sand cushioning, protective covering and refilling the trench etc as required.

Above 95 sq. mm and upto 185 sq. mm

Above 185 sq. mm and upto 400 sq. mm

Laying of one number PVC insulated and PVC sheathed / XLPE power cable of 1.1 KV grade of following size in the existing masonry open duct as required.

Above 95 sq. mm and upto 185 sq. mm

Above 185 sq. mm and upto 400 sq. mm

Laying of one number PVC insulated and PVC sheathed / XLPE power cable of 1.1 KV grade of following size in the existing RCC/ HUME/ METAL pipe as required.

Above 95 sq. mm and upto 185 sq. mm

Above 185 sq. mm and upto 400 sq. mm

Laying and fixing of one number PVC insulated and PVC sheathed/ XLPE power cable of 1.1 KV grade of following size on wall surface as required.

Above 95 Sq.mm upto 185 Sq.mm (clamped with 25x2mm MS flat clamp)

Above 185sq.mm upto 400 sq.mm(clamped with 40x3mm MS flat clamp)

Supply and Laying of 110 mm dia OD HDPE Pipe of PN6 PE 80 grade ISI Marked conforming to IS:4984 along with all accessoreis like sockets, bends, coupler etc, complete with fitting, 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.

Retrieval of one number PVC/XLPE insulated and PVC sheathed power cable of 1.1KV grade of size upto 400 Sqmm from ground including excavation and refilling the trench etc., as required.

Retrieval of one number PVC/XLPE insulated and PVC sheathed power cable of 1.1KV grade of size upto 400 Sqmm from the existing RCC/ HUME/ STONEWARE/ METAL/ GI PIPES/ Duct/ TRAY/ TERRACE etc. by breaking the concrete and making it to the original condition by putting concrete, complete as required.

Supplying and laying of "B" Class G.I pipe of 150 mm dia, i/c excavation of bituminous/ concrete road/ pavement, excavation of trench of required width for laying of G.I pipe, depth upto 800 mm, providing and laying cement concrete of 1:4:8 ratio at bottom (100 mm) of pipe, refilling the trench with soil, ramming, watering, consolidation and making the surface to original finish with PCC of 1:2:4 ratio on top (200 mm) and disposal of left out soil away from CISF barrack premises etc., complete as required.

Supplying and laying of "B" Class G.I pipe of 150 mm dia including excavation of Soil depth upto 750 mm and refilling the trench with excavated Soil after laying Pipe, ramming, watering, consolidation and making good the surface to original finish and disposal of left out excavated soil away from CISF barrack premises etc., complete as required.

Supplying and making straight through joint with heat shrinkable kit including ferrules and other jointing materials for following size of PVC insulated and PVC sheathed / XLPE aluminium conductor cable of 1.1 KV grade as required.

3½ x 120 Sq.mm

3½ x 185 Sq.mm

3½ x 240 Sq.mm

3½ x 300 Sq.mm

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

3½ x 120 Sq.mm

3½ x 185 Sq.mm

3½ x 240 Sq.mm

3½ x 300 Sq.mm

Supply and Fixing of 10 mm thick SMC chequered plates including provision of 50 x 50 x 5mm thick MS angle in all side and diagonal of SMC plate for strengthening by Aluminium revitting and MS lifting hook etc., complete as required.

Supply, fabrication, Transportation and installation of the MS channel/ angle/ flat for cable tray/ support including cutting, welding, drilling, fixing, grinding, applying red oxide primer of two coats and two coat of enamel paint of Black colour etc., complete as required. and as per the instructions of Engineer-In-Charge.

Earthing with Copper earth plate 600 mm X 600 mm X 3 mm thick including accessories, and providing masonry enclosure with cover plate having locking arrangement and watering pipe of 2.7 metre long etc. with charcoal/ coke and salt along with required masonary chamber, CI Cover with outer size of 450mm X 450mm X 10mm including excavation & refilling etc., as required.

Earthing with G.I. earth pipe 4.5 meter long, 40 mm dia including accessories, and providing masonry enclosure with cover plate having locking arrangement and watering pipe of 2.7 metre long etc. with charcoal/ coke and salt along with required masonary chamber, CI Cover outer size of 450mm X 450mm X 10mm including excavation & refilling etc., as required.

Providing and fixing 50 mm X 5 mm copper strip in 80 mm dia 'B' Class G.I. pipe from earth electrode including connection with brass nut, bolt, spring, washer and brassing i/c excavation of bituminous/ concrete / pavement & excavation of Soil to the depth of 0.30 Mtrs from ground, refilling the Soil and with 1:2:4 concrete on top for 0.15 Mtrs after laying Pipe and making good the same to original surface etc., complete as required.

Supplying and laying 50 mm X 5 mm copper strip at 0.50 meter below ground as strip earth electrode, including connection/ terminating with nut, bolt, spring, washer etc., as required. (Jointing shall be done by overlapping and with 2 Sets of brass nut bolt & spring washer spaced at 50mm )

Providing and fixing earth bus of 50 mm X 5 mm copper strip on surface including connection with brass nut, bolt, spring, washer and brassing for connections etc., as required.

Providing and fixing 50 mm X 5 mm G.I. strip in 80 mm dia 'B' Class G.I. pipe from earth electrode including connection with brass nut, bolt, spring, washer and brassing i/c excavation of bituminous/ concrete / pavement & excavation of Soil to the depth of 0.30 Mtrs from ground, refilling the Soil and with 1:2:4 concrete on top for 0.15 Mtrs after laying Pipe and making good the same to original surface etc., complete as required.

Supplying and laying 50 mm X 5 mm G.I strip at 0.50 meter below ground as strip earth electrode, including connection/ terminating with nut,bolt, spring, washer etc., as required. (Jointing shall be done by overlapping and with 2sets of brass nut bolt & spring washer spaced at 50mm)

Providing and fixing earth bus of 50 mm X 5 mm G.I strip on surface including connection with brass nut, bolt, spring, washer and brassing for connections etc., as required.

Providing Civil Works as required as detailed below:

Providing and laying cement concrete in retaining walls, return walls, walls (any thickness) including attached pilasters, columns, piers, abutments, pillars, posts, struts, buttresses, string or lacing courses, parapets, coping, bed blocks, anchor blocks, plain window sills, fillets, sunken floor, etc., up to floor five level, excluding the cost of cantering, shuttering and finishing.

Cement concrete in 1:3:6 (1 cement: 3 coarse sand : 6 graded stone aggregate 20mm nominal size)

Cement mortar in 1:6 (1 cement: 6 coarse sand )

Brick work with common burnt clay F.P.S. (non modular) bricks of class designation 7.5 in foundation and plinth in with Cement mortar 1:6 (1 cement : 6 coarse sand).

Cement plaster of 15 mm on the rough side of single or half brick wall of mix with 1:6 (1 cement: 6 coarse sand).

Steel rod for RCC Slabs.

Demolishing of hard concrete floor manually/ by mechanical means using compressor drilling machine and making the surface to original finish with PCC of 1:2:4 mix to match with the adjacent hard concrete floor including disposal of concrete debris away from Airport premises etc., complete as required.

DElite System Engineering (India) Pvt. Ltd.

DEEPAKELECTRICALS

Balaji Engineering

Awasthi Electric Works