SPECIAL REPAIR/ REPLACEMENT TO BUILDING LIGHTNING ARRESTOR SYSTEM AT VARIOUS LOCATION AND BUILDING EARTHING SYSTEM TOMD AND OTM ACCN AND PROVISION OF SPLIT ACs AT VARIOUS DEPARTMENT AT CHAF BANGALORE

Amount

Taking down old unserviceable earthing plate of any size/ any quality complete all as specified and as directed by Engr-in-charge.

Taking down old unserviceable earth strip of any size/ any quality complete all as specified and as directed by Engr-in-charge.

Taking down old unserviceable air termination rod of any size/ any quality complete all as specified and as directed by Engr-in-charge.

Taking down old unserviceable air termination test point box of any size/ any quality complete all as specified and as directed by Engr-in-charge.

Material and labour in repair for earthing complete with galvanised steel earth plate electrode 600x600x6mm thick burried directly in ground vertically (earth pit not less than 2.25m deep below ground level) with top edge of the earth plate at a depth not less than 1.5m below ground level, connected to galvanised iron strip 32x6mm as earth lead by means of bolts, nuts, check nuts and washers of GI or steel all as shown in electrical plate No 3 SSR part I connected to earthing test point all as specified or indicated including testing on completion complete all as specified and as directed by Engr-in-charge.

All as per item No.05 here-in-before but using copper plate 600x600x3.15mm thick electrode and 20x3mm copper strip as earthing lead.

Material and labour in repair earth continuity conductor GI Strip 32x6mm 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 direct /loop earthing with proper PVC/ porcelain insulator etc., complete all as specified and as directed by Engr-in-charge.

Material and labour in repair earth continuity conductor copper strip 20x3.15mm with saddles and fixing screws 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 direct/loop earthing with proper PVC/porcelain insulator etc., complete all as specified and as directed by Engr-in-charge.

Supply and fix in repair 25x3.15mm aluminium strip earth continuity conductor or main earthing lead with saddles and fixing screws fixed with porcelain /PVC insulator on wall or roof top floor or recess or chases or buried in ground or drawn in conduit /pipe or any other indicated situation for loop earthing etc., complete all as specified and as directed by Engr-in-charge.

Supply and fix in repair epoxy electrical insulators for lighting protection for fixing of aluminium/ GI/ Copper porcelain insulator strip support complete all as specified and as directed by Engr-in-charge.

Supply and fix in repair for test point terminal block made of gun metal or phosphorus bronze size 75x75x25mm, drilled and screwed including 3 Nos. 8mm dia 25mm long hexagonal head screw complete fixed on wall in and including sheet steel enclosure of thickness 2mm thickness with locking arrangement complete all as specified and as directed by Engr-in-charge.

Supply and fix in repair air termination single pointed aluminium rod 12mm dia and 300mm long fixed on GI pipe 15mm approx 1m height with base firmly on the roof top using PCC of size 30x30x30cm and necessary screws, saddles complete all as specified and as directed by Engr-in-charge.

Supply and fix for GI pipe 15mm approx 1m height with base firmly on the roof top using PCC of size 30x30x30cm and necessary screws, saddles complete all as specified and as directed by Engr-in-charge.

Supply and fix for GI pipe 40mm dia light grade including all fittings and fixtures laid in trench, floor, wall etc., for protection of GI strip complete all as specified and as directed by Engr-in-charge.

Supply, install, testing and commissioning of hi-wall mounting air cooled inverter split type air conditioner units complete with cordless LCD remote control unit and with turbo cool, stabilizer free operation, energy saver, anticorrosive blue fins for protection in built air ioniser and plasma filter for better indoor air quality with 5 star rating and the out door unit will be fixed in open space with proper foundation or on wall with proper fixing/ supporting stand arrangements including 3m suction and discharge refrigerant copper pipe line with high EER 3.2 of 1.5 TR capacity complete all as specified and as directed by Engr-in-charge. Make: BLUE STAR Model No. DNUR or techno commercially equivalent model in Hitachi/Carrier

Supply, install, testing and commissioning of hi-wall mounting air cooled inverter split type air conditioner units complete with cordless LCD remote control unit and with turbo cool, stabilizer free operation, energy saver, anticorrosive blue fins for protection in built air ioniser and plasma filter for better indoor air quality with 5 star rating and the out door unit will be fixed in open space with proper foundation or on wall with proper fixing/ supporting stand arrangements including 3m suction and discharge refrigerant copper pipe line with high EER 3.2 of 2.0 TR capacity complete all as specified and as directed by Engr-in-charge. Make: BLUE STAR Model No. DNUR or techno commercially equivalent model in Hitachi/Carrier

Supply and fix for voltage stablizer for automatic operation, single phase naturally air cooled indoor type and design for input variation between 150 V to 285 V with output voltage stabilized at 230 Volt with accuracy of +/- 2.5 % and of capacity 4 KVA complete all as specified and as directed by Engr-in-charge. Make: V Guard VND 400 or techno commercially equivalent make in Microtec/Powertec

Supply and fix for voltage stablizer for automatic operation, single phase naturally air cooled indoor type and design for input variation between 150 V to 285 V with output voltage stabilized at 230 Volt with accuracy of +/- 2.5 % and of capacity 5 KVA complete all as specified and as directed by Engr-in-charge. Make: V Guard VND 500 or techno commercially equivalent make in Microtec/Powertec

Material and labour for wiring for submain wiring along with two single core PVC insulated FRLSH copper conductor of size 2.5 sqmm and earth wire of size 2.5 sqmm including in PVC casing caping in surface/ recessed complete all as specified and as directed by Engr-in-charge. Note: All three run cable anog with one run pvc casing/capping shall be measured as one unit

Supply and fix for sheet metal enclosure with socket plug top and neutral enclosure with a two pin and earh plug and socket complete with one SPN MCB 20 Amps 'C' curve type complete all as specified and as directed by Engr-in-charge.

Supply and fix for MCB SPN DB of 2 way for 240 volts complete all as specified and as directed by Engr-in-charge.

Supply and fix for MCB SPN DB of 4 way double door for 240 volts complete all as specified and as directed by Engr-in-charge.

Supply and fix for MCB SPN 5 to 32 Amps 'C' curve type 10 KA 240 Volt complete all as specified and as directed by Engr-in-charge.

Supply and fix for MCB SP 5 to 32 Amps 'C' curve type 10 KA 240 Volt complete all as specified and as directed by Engr-in-charge.

Supply and fix for copper tubing for refrigerant suction line of split AC of size 19.05mm drawn through pipes/ fixed to walls/ laid on floor or roof in all respects complete all as specified and as directed by Engr-in-charge.

Supply and fix for copper tubing for refrigerant discharge line of split AC of size 9.5mm drawn through pipes/ fixed to walls/ laid on floor or roof in all respects complete all as specified and as directed by Engr-in-charge.

Supply and fix in replacement heat insulation superior quality nitrile rubber of 9mm thickness, ISI marked for copper tubing of any size of refrigerant line including necessary clamps, PVC tape knots, in all respects complete all as specified and as directed by Engr-in-charge.

Supply and fix for AC drain hose outlet PVC pipe of standard size 20mm complete all as specified and as directed by Engr-in-charge.

Material and labour for wiring control cable of 2.5 sqmm 4 core from outdoor to indoor unit complete all as specified and as directed by Engr-in-charge.

Material and labour for cutting of existing stone masonry wall for crossing the suction discharge pipe line and electric line connection of split type air conditioner and after the connection necessary cement work will be provided for making the surface as good complete all as specified and as directed by Engr-in-charge.

B5BUILDING SOLUTIONS (BID ID -3094773)

GKR and CO (BID ID -3089803)