REPAIRS AND MAINT OF APFC PANELS EARTHING LIGHTNING ARRESTERS AND CONNECTED WORKS AT VARIOUS LOCATIONS UNDER GE STM CHENNAI

Amount

Excavation in trenches n.exc 1.5 M wide and n.exc 1.5 M in depth for pipe line, etc in soft/ loose soil getting out and levelling of bottom surface to required level complete all as specified and as directed.

Returning filling in, including spreading, leveling, watering and well ramming in layers n.exc 25Cm thick soft / loose soil complete all as specified and as directed.

Removing excavated material (Soils) from site to a distance n.exc 50 M away and depositing where directed at a level n.exc 1.5 mtr above the starting point complete all as specified and as directed.

M & L for cutting of damaged / rusted portion of steel surfaces from LT/ AMF Panels and providing suitable size/thick MS Sheet including welding and painting complete all as specified and as directed.

Boring holes under road pavement by bocky manually in any type of soil upto 150mm bore complete all as specified and as directed.

M & L for PCC (1:3:6) type C-2 (using 40mm graded stone aggregate) as in foundation of brick pillar to support the pipe line including demolition of old PCC and removing the debris from site complete all as specified and as directed.

M & L for Brick work with sub class 'B' bricks straight or curved on plan exc. 6M mean radius built in CM (1:4) as in brick pillar of required size and shape to support the pipe line including demolition of old brickwork & removing from site complete all as specified and as directed.

M & L for rendering 10mm thick with cement mortar (1:6) on fair faces of brick work / concrete surfaces, finished the surface even and fair complete all as specified and as directed.

M & L for pin point the fault by arranging fault locating machine in any size of LT UG cable from any location/position/situtation, taking down/out the faulty portion of cable, of any length from trenches, jointing with cable jointing kit & testing for satisfactorily serviceable with & including necessary excavation and earth work, sand cushioning and making necessary connections to make it functional complete all as specified and as directed. Note :- (i) Cable jointing kit shall be measured and paid seperetely. (ii) Old retrieved bricks/cable cover shall be reused (iii) The rates quoted includes excavation & earth work with sand cushioning.

M & L for cable joint kit of following sizes for heat shrinkable straight through joint complete all as specified and as directed.

4 Core 25 Sqmm

3.5 Core 35 Sqmm

3.5 Core 50 Sqmm

3.5 Core 70 Sqmm

3.5 Core 95 Sqmm

3.5 Core 120 Sqmm

Supply and laying LT UG XLPE insulated armoured heavy duty electric, power cable with aluminium conductor, 1100 volts grade in and including suitable size of HDPE pipe, heavy grade inserting the cable inside the pipe laid in trenches/ wall/ drain/ floor for protection of cable, fixed to poles etc cable including taking down old unserviceable cable of the following sizes :-

2 Core 10 Sqmm

4 Core 10 Sqmm

4 Core 16 Sqmm

4 Core 25 Sqmm

3.5 Core 35 Sqmm

3.5 Core 50 Sqmm

3.5 Core 95 Sqmm

3.5 Core 120 Sqmm

Taking out existing LT UG cable laid in trenches/fixed to poles etc and refixing/relaying the same after connected repair works cable of following sizes complete all as specified and as directed:- Note:- Earth work excavation will be measured and paid seperately under relevant items.

2 core 10 Sqmm to 4 core 35 Sqmm

3.5 core 50 Sqmm to 3.5 core 120 Sqmm

S & F in repairs following MCCB's adjustable thermal & adjustable magnetic including studs and cable lugs in existing LT panel fixing with extended rotary handle operated / normal operated required as per site complete all as specified and as directed.

MCCB 100 Amps 16 KA, 4 Pole

MCCB 125 Amps 16 KA, 4 Pole

MCCB 160 Amps 25 KA, 4 Pole

MCCB 200 Amps 36 KA, 4 Pole

MCCB 250 Amps 36 KA, 4 Pole

MCCB 320 Amps 36 KA, 4 Pole

MCCB 400 Amps 36 KA, 4 Pole

Making bore hole under the road in any type of soil through trenchless technology by HDD (horizontal direction drilling method) including perparing and setting up the plant and equipment, perparing new pipe/cable laying work like excavation shoring/ strutting etc drilling, stringing reaming pulling back the new work on the path alignment proper disposal of drilling fluid and the ground penetrating radar survey to protec existing utilities at the pipe/cable installation location restoration of site agter completion all inclusive as per and STT IS No 2.3 2.2 2.2 second edition 2008 code of practice of trenchless technology suitting indian condition for making horizontal bore size of 200mm dia for HDPE pipe insertion under the road crossing hard standing in and including HDPE pipe of size 200 mm nominal dia 28.30 mm minimum wall thickness of grade PE 80 for protection of MS pipe/cable to any depth complete all as specified and as directed.

M & L for earthing with GI plate 60 x 60cm x 3.15mm thick electrode and 32 x 6mm galvanised strip as earthing lead thick buried directly in ground vertically to a depth not less than 2.25mtr below normal ground level, connected to GI strip of size 32x6mm as earth lead by means of bolts, nuts and washers madeout of copper or tinned brass and protection GI pipe of 40mm dia all as specified and testing complete including earthwork, PCC chamber, RCC chamber cover with handle GI watering pipe 20mm dia, GI funnel with wire mesh, magnesium sulphate, salt, charcoal, lugs etc and method of earthing shall be as per plate No.3 of SSR part -I.

Supply and lay GI tubes, 'light grade' galvanised, with all fittings of bore of tube 50mm laid in trenches for drawing cables under road/drain crossings etc complete all as specified and as directed.

Supply and lay GI tubes, 'light grade' galvanised, with all fittings of bore of tube 80 mm laid in trenches for drawing cables under road/ drain crossings etc complete all as specified and as directed.

Trolley:- M & L for fabrication of trolley to accommodate standby DG Set with AMF Panel / Transformer, suitable size, weight carrying capacity min cap 7500 kgs using MS channel and angle iron suitable size, and MS flat wherever required including base of MS sheet not less than 4 mm thick fixed properly welded on chassis duly painted with two coats of synthetic enamel paint over a coat of red oxide steel primer, with towing hook of channel/angle iron, fixed with trolley for easy movement from one place to another place. The rate quoted deemed to include for the following:- (a) Supply & fixed tyre with tubes of suitable size of wheel drum - 04 Nos. (b) Supply & fix axle wheel - 02 Nos between front & rear wheel (c) Supply & fix danger notice plate/board of 415 Volts on each side of trolley - 02 Nos (d) The cost of any MS work reqd for install of DG set shall deemed to be included in the quoted rate. (e) Cable Drum with winch - 01 No (f) Copper cable 4 Core 70 Sqmm - 100 RM (for supply user end). (g) Earthing copper cable 10 Sqmm - 50 RM (2 Nos Neutral & 2 Nos Body each 10 RM) (h) Earth spikes 14 mm thick and 2 mtr long - 4 Nos Note:- Any other work/item not mentioned above but necessary for smooth functioning of the trolley shall be included in the rate quoted by the contractor.

S & F in repairs DG Set controller unit with new hardware relay for auto/ manual operation for protection of external fault, over speed, over and under voltage protection, fail to start, fail to stop, emergency stop with 1% accuracy suitable for existing DG Set 63 KVA complete all as specified and as directed.

S & F in repair/ replacement of avitation lamp (obstruction light) 12W 230V AC complete all as specified and as directed.

S & F of flexible LED rope light with high performace and tricolor provides energy efficient lighting solution.silicon tube covers led strip to comply with IP 12W/meter LED rope light RGB tricolour and 18 mtr long LED rope light with Neon strip base sheet of 2mm metal 120 LED/Mtr and surge protection inbuilt 4Kv used both indoors and outdoors ideal for street decoration, home decoration, outdoor project, hotel office building, and boxes showcase etc on existing street light pole complete all as specified and as directed. Make:- Eveready cat No LEDRPTRO121-02/ Bajaj/ Havells/ Philips

Taking down old unservicable feeder piller box outdoor and Supply, installation, testing and commissioning of LT Feeder pillar box suitable for 415V, 3 phase, 4 wire, 50 Hz AC supply, outdoor type factory made powder coated dust and vermin proof made out of 3.15 mm thick CRCA steel mounted on 50x50x6mm mild steel angle iron with water proof top canopy, ventilated side louvers, twin leaf doors at front and rear side with suitable locking arrangement, sheet steel enclosed bus bar chamber with door, cable entry detachable bottom plates erected in and including suitable PCC 1:3:6 type C1 (using 20mm graded stone aggregate) foundation complete with the following capacity:-

Earth continuity conductor or main earthing lead fixed to wall on batten or recess or chases or buried in ground or drawn in conduit/ pipe or fixed to poles or any other indicated situation for loop earthing etc. as required 20 x 3mm copper strip complete all as specified and as directed.

S & F post insulator epoxy LV type suitable for copper 25 x 4mm lightening conductor fixed on wall/roof/pole including screws and taking out existing insulators complete all as specified and as directed.

S & F Air termination, single pointed, copper rod 12mm dia pointed, copper rod 12mm dia complete all as specified and as directed.

M & L in replacement for test point terminal block made of gun metal or phosphorus bronze size 75 x 75 x 25mm drilled and screwed including 3 Nos 8mm dia 25mm long hex head screw and connected to copper/aluminium/GI strips complete housed in a PVC junction box complete all as specified and as directed. Note:- 1. The test points will be properly fixed on epoxy insulators 2. Epoxy insulators will be measured and paid separately under relevant items

Labour only for attending and identifying electric supply compaints of day to day maintenace of existing LT Panels/ LT Cable including connecting electrical accessories/ spares of water supply / Electric supply installations, electrical fitting with lights, short circuits in OTM/ Md Accn as per complaint register complete all as specified and as directed.

Note for Ser No 27.00:- (i) The quoted rate shall deemed to be including the cost of labour involve above sch items. (ii) The complaints shall be attended and the defects shall be rectified by a team of experienced electrician as applicable assisted with adequate number of helpers as directed by Engineer-in-charge but minimum provision of executing team are as under :- 1. Electrician (semi-skilled) and required Helper (un-skilled) for electrician.

M & L for maintenance and servicing of dehumidifier and changing filters inlet and outlet complete all as specified and as directed.

Servicing of air curtain of size 6' (Make: almonard), cleaning internally and externally, tightening of all screws and nut & bolts, replacing of minor parts like screws, washers, etc, including replacement of bush, checking of serviceability of all components and replace the following items as required :- Note:- Service shall be done through authorised service provider only.

Supply only motor single phase 4 pole, 1/5 HP.

Supply only replace Impeller metal bush.

Supply only replace Impeller pin bush.

Supply only replace Bush bearing set.

S & F in repair / replacement of electric motor sieren heavy duty with range of more than 2 KM range, double headed, hortizontal mounted, 1 HP complete all as specified and as directed.

S & F in repair/replacement of high velocity industrial type air curtain, 6 feet,1400 RPM 150W x 2 Nos complete all as specified and as directed.

Taking down old unsv APFC feeder pillar box outdoor and Supply install test and commission APFC panel made of 2 mm thick CRCA sheet steel enclosure cubical type powder coated with 3 phase and 4 wire copper Bus bars of rating 400 Amps heat shrinkable colour coding sleeves suitable for LT 415 volts 50 Hz consisting of the following including power and control wiring with copper cable complete all as specified and as directed.

Following steps are as under:- (i) Capacitor Duty Contactor 1 KVAR - 2 Nos (ii) Capacitor Duty Contactor 3 KVAR - 2 Nos (iii) Capacitor Duty Contactor 4 KVAR - 1 No (iv) Capacitor Duty Contactor 5 KVAR - 1 No (v) Capacitor Duty Contactor 6 KVAR - 2 Nos (vi) Capacitor Duty Contactor 10 KVAR - 1 No (vii) Capacitor Duty Contactor 16 KVAR - 1 No (viii) Capacitor Duty Contactor 20 KVAR - 1 No (ix) Capacitor Duty Contactor 25 KVAR - 1 No (x) Capacitor 01 KVAR having tolerance 0% - 10% with discharge device resistor, confirmed to IS 13340 - 2 Nos (xi) Capacitor 3 KVAR having tolerance 0% - 10% with discharge device resistor, confirmed to IS 13340 - 2 Nos (xii) Capacitor 4 KVAR having tolerance 0% - 10% with discharge device resistor, confirmed to IS 13340 - 1 No (xiii) Capacitor 5 KVAR having tolerance 0% - 10% with discharge device resistor, confirmed to IS 13340 - 01 No (xiv) Capacitor 6 KVAR having tolerance 0% - 10% with discharge device resistor, confirmed to IS 13340 - 2 Nos (xv) Capacitor 10 KVAR having tolerance 0% - 10% with discharge device resistor, confirmed to IS 13340 - 01 No (xvi) Capacitor 16 KVAR having tolerance 0% - 10% with discharge device resistor, confirmed to IS 13340 - 01 No (xvii) Capacitor 20 KVAR having tolerance 0% - 10% with discharge device resistor, confirmed to IS 13340 - 01 No (xviii) Capacitor 25 KVAR having tolerance 0% - 10% with discharge device resistor, confirmed to IS 13340 - 01 No

S & F in replacement of (ON-Load) Changeover Switch 250 A (4 Pole) I-O-II with SS enclosure complete all as specified and as directed.

S & F in replacement of (ON-Load) Changeover Switch 200 A (4 Pole) I-O-II with SS enclosure complete all as specified and as directed.

Supply and laying in repair/ replacement of or fixing or passing through pipe, 1100 volts grade heavy duty PVC Insulated and FRLSH PVC round sheathed copper conductor (flexible) 3 core 1.5 Sqmm in and including suitable size PVC conduit, necessary clamping, nut & bolts required at site complete all as specified and as directed.

S & F in replacement of pole mounted sheet moulded compound (SMC) box weather proof type with hinged type door off white colour comprising of 1 No MCB 6A and 1 No neutral link, bottom to top open front door and 125 Amps heavy duty connector block, in and including suitable size stainless steel cable gland complete fixed on pole with suitable two nos clamps, bolts and nuts complete all as specified and as directed.

Cutting the existing bituminious, RCC road, PCC path and interlocking foot path any one and making good with PCC (1:3:6) type C1 for a width of 0.45 metre and a depth of 1 metre length not more than 10 mtr complete all as specified and as directed.

M & L for earthing complete with galvanised steel earth plate electrode 60 x 60cm x 6mm thick, buried directly in ground (earth pit not less than 2.25 metres deep below ground level) with top edge of the plate not less than 1.5 metres below normal ground level, connected to galvanised earth lead wire 4.0mm dia by means of bolts, nuts, check nuts and washers of galvanised iron or steel all as shown in electrical plate No.3 connected to earthing test point all as specified or indicated including testing on completion complete all as specified and as directed.

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