PROVISION OF 75 KVA ISOLATION TRANSFORMERS AND CERTAIN OTHER EM WORKS UNDER GE AF MARATHAHALLI

Amount

Supply commissioning and testing copper wound Air cooled isolation transformer of capacity 40 KVA 1:1, indoor type 3 phase out put, 3 phase in put with all protection and fixing the same complete all as directed by Engr-in-charge.

Supply commissioning , testing copper wound Air cooled isolation transformer of capacity 2 KVA 1:1. indoor type , 1 phase out put with all protection and fixing the same including angle grouted to wall if required complete all as directed by Engr-in- charge

Supply , laying testing and commissioning cable XLPE insulated,screened , PVC bedded galvanised steel strip or wire armoured electric power cables (heavy duty) with stranded alluminium conductor in wall/duct , 1100V grade of size 3.5 core 50 sqmm all as specified and as directed.

Supply and fixing MCCB, 3 pole 63 Amps rating ,adjustable thermal and fixed magenetic release , 25 KA breaking capacity,415 V,50 Hz AC supply including making all connections complete all as specified

Supply and fixing MCCB, 4 pole 100 Amps rating ,adjustable thermal and fixed magenetic release , 25 KA breaking capacity,415 V,50 Hz AC supply including making all connections and alternation if required to existing panel board complete all as specified.

Supply and fix MCCB enclosure suitable up to 250 Amps , 3 phase ,440 V incomer and 2 out going including suitable bus bar , connecting the cable /wires with suitable size lugs and glands complete all as specified and directed

Earthing complete with galvanized iron or steel plate electrode 600 mm x 600 mm x 6.0 mm buried directly in ground vertically in pit of depth not less than 2.25 metre below normal ground level with top edge of the earth plate at a depth not less than 1.5 metre below normal ground level surrounded from all sides with mixture of charcoal and common salt in alternate layers and electrode connected to GI earth earth strip 25 x 4 mm by means of GI bolts, nuts, check nuts and washers, earth wire protected by galvanized steel pipe 40 mm bore (light grade) connected to machinery/ equipment all as shown in Electrical plate No. 5 of SSR-2009 Part I and including necessary excavation and earth work in any type of soil, 20 mm bore light grade GI pipe for watering funnel wire mesh, PCC (1:3:6), type C-1 chamber, RCC (1:2:4), type B-1, reinforced with 6 mm dia MS round bars @ 15 cm c/c both way for cover etc., Complete all as specified. Note: (i) The unit rate includes earth wire and protection pipe up to (maximum 7.5 metre from earth plate) earth point/test point. (ii) Earth pit shall be constructed at least 3 metre away from each earth chamber.

Material and labour for maintenance free earth pit consisting of copper coated steel rod of size 17.2mm dia 3 mtr long 250 microns molecularly bonded joind with connecting clamp filled with maintenance free earth enhancing compound curec + 6 Kgs & curecon - 10 Kgs , compound strictly be a eco friendly and must comply to IEEE 80- 2000 clause 14.5 (d) ,(b) and this compound should be electrically & thermally conductive ,must be tested for long term in CPRI for atleast 2 years to display its stability and compound must be ISO certified, 50 Sq mm PVC insulated single core multistranded copper wire by exothermic welding run through PVC conduit duly fixed with spacer ,sadles including all accessories up to 7.5 Mtr providing one test point and run up to equipement and terminating the wire with 25mm x6mm x300 mm long copper bus bar fixed on wall with insulator support. Note :- (i) Rate deemed to be inclusive of one PCC inspectin pit of 30cmx30cmx 30cm depth and RCC cover placed on pit. (ii) Earth pit required to be identified by specific marker, colour codes , Maint free earthing pits Red colour and write proper earthing details all as specified and directed by Engr-in- charge

Material and labour for maintenance free ring earth pit with minimum 4 Nos single earth rods, each pit consisting of copper coated steel rod of size 17.2mm dia 3 mtr long 250 microns molecularly bonded joined with connecting clamp filled with maintenance free earth enhancing compound curec + 6 Kgs & curecon - 10 Kgs , compound strictly be a eco friendly and must comply to IEEE 80- 2000 clause 14.5 (d) ,(b) and this compound should be electrically & thermally conductive ,must be tested for long term in CPRI for atleast 2 years to display its stability and compound must be ISO certified, inter connecting the pit with 25mm x2 mm copper strip with exothermic welding and connecting up to the ring to achieve the earth resistance value below 1 ohms and connecting with 50 Sq mm PVC insulated single core multistranded copper wire by exothermic welding run through PVC conduit duly fixed with spacer ,sadles including all accessories up to 7.5 Mtr providing one test point and run up to equipement and terminating the wire with 25mm x6mm x300 mm long copper bus bar fixed on wall with insulator support. Notes :- (i) The ring main earth resistance shall be below 1 ohms (ii) Rate deemed to be inclusive of one PCC inspectin pit of 30cmx30cmx 30cm depth and RCC cover placed on pit. (iv) Earth pit required to be identified by specific marker, colour codes (a) Maint free earthing pits Red colour and write proper earthing details all as specified and directed by Engr-in- charge

Material andf Labour for PVC insulad 50 sqmm single core multistranded copper wire run through PVC conduit in wall/duct all as directed at site

Cutting chases in concrete floor for laying PVC conduit /GI pipe and making good to facing where required and pointing in cement motar 1:3 and making good cutting not exc 10 cm girth

Cutting PCC /road 100mm thick for laying of copper cable

M&L 100mm thick PCC 1:2:4 Type B-1 using 20mm graded crushed stone aggregate as in flooring for making good of road finished fair and even complete all as specified and as directed.

M & L for light grade GI pipe 40mm dia for cable protection complete all as specified and as directed.

Material and labour for laying of GI strip 25 x4mm size complete all as specified and as directed.

Material and labour for sub main wiring 1100 volts grade PVC insulated FRLS multistranded copper conductor two runs of single core 2.5 sqmm along with one run of 2.5 sqmm PVC insulated single core FRLS multistranded copper conductor cable as earth continuity conductor along with one run of PVC conduit complete all as specified and as directed Note :- 3 runs of multistranded copper conductor and 1 run of PVC conduit shall be measured as one length.

M&L Moduler switch 1 way 16 Amps 1 Modules

M & L Moduler socket 6A/16A, 2 Modules

M&L Moduler metal flush box 3 module

M&L Moduler white cover plate with frame 3 module

Supply and fix Plug top 3 pin ,15 Amps universal pattern 230 Volts all as specified

Supply and Installing infrared motion surface mounting sensor rated 1000W,220 Volts ,direction range 360 degree connection of 2 to 6 light fittings range 8 Mtr maximum including connection from light fitting to sensor to control switches including Commissioning and testing. Note :- Rate includes for modification of Existing wiring.

Supply and fixing round shape 6 watt 220 volts AC recessed type with high fficiency PMMA diffuser soft glare free light complete with drivers, holders,LED lamp suitable for roof ceiling including connecting up with three core flexible copper onductor cable of suitable size complete.

Supply and fixing LED light fitting mirror type with high out put diffuser 2 feet, 10 watt 220 V AC decorative type with driver holder and LED lamp including connecting up with three core flexible copper conductor cable of suitable size complete

Supply and fixing in repair round shape LED recessed / surface light fitting 15 W complete with drivers ,holders LED lamps including connecting up with 3 core 0.5sqmm copper wire between ceiling rose and fitting terminal Complete all as specified and as directed.

Removing the incoming and out going cable connection, remove the earth strip from body and neutral point carefully from the faulty 750 KVA air natural (AN) cooling type step down transformer at HPHC indoor substation IAM IAF, loading and transportation to the authorised repair work shop, unloading the faulty distribution transformer at repair work shop . Dismantling the transformer, cleaning the core and Iinspectioning the defective HV/LV copper winding. Note ;- Before quoting the rate the vender can visit visit at site .

Lifting the core assembly and landing on the working plateform .cutting and removing the burned/faulty tranformer winding HV/ LV . Providing new winding at both HV/LV with FRG copper same size and gauge replacing of leads for tap changing system with copper conductor of same size and gauge to achieve transformer rated capacity.

Material and labour for providing new insulation for over all winding resetting/fixing the core assembly with Primary/Secondary brazing as required and all necessary connections . Drying out of core coil assembly in the oven till specified IR value is obtained.

Testing of Transformer at work shop ,shifting of transformer from work shop to HPHC indoor sub station ,unloading carefully ,installation of repaired transformer at proper place , connecting incoming out going cables with proper phase sequence ,connecting it earth strip tightly. Testing and commissioning of transformer at work site. All type and routine test certificate will be submitted by the contractor before payment.

Supply, laying and testing UG cable XLPE Insulated ,screened, PVC bedded, galvanized steel strip or wire armoured, electric power cables (heavy duty) 1100 Volts grade with stranded aluminium conductor of following sizes. (a) 95 sq mm 3½ core

Material and labour for taking of LT UG cable from the loop trench after isolation of power supply including cutting/dressing of cable ends alongwith unsv cable lugs and provisioiin of new cable lugs NOTE : Dowells and connecting with LT panels/transformer terminals with new GI bolt / nuts and double washer including earth work, restoration of power supply complete for the following sizes of cables:- (a) 95 Sqmm 3½ core

Supply and fixing MCCB 3 pole 200 Amps rating , fixed thermal and magnetic setting , 36 KA breaking capacity, 415 V, 50 Hz AC supply including making all connections complete all as specified

Excavation in trenches in soft /loose soil not exceeding 1.5 metre wide and not exceeding 1.5 metre deep for laying of cables etc, getting out and forming bottom surface to required gradient Complete all as specified and as directed.

Returning filling including spreading levelling watering and well ramming to excavated soil in layers not exc 25 cm thick Complete all as specified and as directed.

Removing excavated material not exc 50m and depositing where directed at a level not exc 1.5m above the starting point in soils Complete all as specified and as directed.

Material and Labour for Sand cushioning to cables with a layer of sand before and after laying the cable Complete all as specified and as directed. Note :- Sand shall be measured after punned down.

Material and Labour for Brick protection cover on cable with sub class 'B' bricks, across in trenches laid dry and flat adjacent to each other complete all as specified and as directed.

Material and labour for G.I. tubing light grade of size 100mm bore for protection of cables to be laid under roads, crossings/culverts including taking down/up old unserviceable GI tubing complete all as specified and as directed.

Material and labour for Cutting PCC road Hard/dense soil 45 cm width and 60 cm depth for laying of LT UG cable and making good the disturbed surfaces with cement concrete 1:2:4, type B1, using 20mm graded stone aggregate complete all as specified and as directed.

Material and labour for cement concrete 1:3:6, type C1, using 20mm graded stone aggregate as in road,coping, bases of electric poles including necessary form work and finishing the exposed concrete surfaces of concrete even and fair complete all as specified and as directed.

devan enterprises