Provn of AC for Multiutility hall at certain unit and certain minor work under GE S Tezpur

Amount

Supply and installed split air conditioner units indoor & outdoor with copper condenser complete with cordless remote control unit and with in built air ioniser and plasma filter for better indoor air quality with minimum 5 star rating and ISEER 3.6 of capacity of 2.0 TR INV AC including refrigarant copper pipe, bracket fabricated using MS angle iron not less than size 50x50x6mm including necessary nuts, bolts washer etc as required at site for mounting outdoor unit of AC on wall complete all as spcified and directed by Engr-in-charge.

Supply and installed split air conditioner units indoor & outdoor with copper condenser complete with cordless remote control unit and with in built air ioniser and plasma filter for better indoor air quality with minimum 3 star rating and ISEER 3.6 of capacity of 3.0 TR INV AC including refrigarant copper pipe, bracket fabricated using MS angle iron not less than size 50x50x6mm including necessary nuts, bolts washer etc as required at site for mounting outdoor unit of AC on wall complete all as spcified and directed by Engr-in-charge.

Supplying and fixing two single core ,6 sqmm nominal cross sectional area multistranded copper conductor FRLS cable, PVC insulated unsheathed 1100 Volts grade drawing in and including suitable size PVC casing and caping / conduit (ISI marked) including 6 sqmm nominal cross sectional area multistranded copper conductor FRLS cable, PVC insulated unsheathed 1100 Volts grade earth wire complete all as specified.

Supplying and fixing two single core, 4 sqmm nominal cross sectional area multistranded copper conductor FR LS cable, PVC insulated unsheathed 1100 Volts grade drawing in and including suitable size PVC casing and caping/conduit (ISI marked) including 4 sqmm nominal cross sectional area multistranded copper conductor FRLS cable, PVC insulated unsheathed 1100 Volts grade earth wire complete all as specified. Note:- Two runs of 4 Sqmm conductor as main wire and one run of 4 Sqmm conductor as earth wire with one run of PVC conduit shall be measured as one unit.

Supply and fix Metal plug and socket including 20 Amps MCB and steel enclosure complete all as per specified and as directed by Engr-in- Charge.

Supply and fix Metal plug and socket including 32 Amps MCB and steel enclosure all as per specified and as directed by Engr-in- Charge.

Supply and fixing Verticle TPN DB 6 Way suitable for MCCB 160 Amps 25 ka 4 pole as incomer. Note : MCCB & MCB Will be measured and paid seperatly under relevent item.

Supply and fix epoxy powder coated sheet metal enclosure for DBs, double door, Single pole and neutral 230 V, 8 ways with mounting fitted with bus bar, DIN channel , neutral link and incoming contact complete all as specified and as directed.

Supply and fix MCB SP 6-32 Amps, 'C' series 10kA, 240 Volts and to be housed in DBs complete including necessry connection complete all as specified and directed.

Supply and fix MCB SPN 6-32 Amps, 'C' series 10kA, 240 Volts and to be housed in DBs complete including necessry connection complete all as specified and directed.

Supply and fix MCCB 4 Pole 160 Amps,with breaking capacity of 25 kA, fixed thermal and fixed magnetic setting.complete all as specified and directed.

Material and labour for earthing complete with galvanised mild steel earth plate electrode 600x600x6.0mm thick, burried directly in ground to a depth not less than 2.25 metres deep below ground level with top edge of earth plate not less than 1.5 metre below normal ground level surrounded with adequate quantity of charcoal dust mixed with salt to a packed thickness of 15 cm all around the plate, using GI wire 4 mm dia as earth strip electrode bolted or rivetted to earth plate at one end and connected to equipments at another end, GI earth strip encased in and including 40 mm dia GI 'light grade' pipe from upper end of earth plate upto equipments,20 dia bore GI pipe 'light grade' as water pipe from earth chamber to upper edge of earth plate, Test point , GI funnel with wire mesh fixed on water pipe and PCC 1:2:4 type B-1 (using 20mm graded stone aggregate) as in pit chamber and RCC pit cover 50mm thick precast RCC 1:2:4 type B-1, duly reinforced with MS round bars 6mm dia @ 100 c/c both ways with 10mm dia MS round bar as in lifting handles, excavation, earth work including laying the GI pipe concealed in floor/wall all as described in electric plate of SSR Part I and testing on completion complete all as specified and directed. Note :- If the desired earth resistance is not found, earthing shall be redone by the contractor at no extra cost to the department..

Material and labour for earthing complete with galvanised mild steel earth plate electrode 600 mm x 600 mm x 6.0mm thick, burried directly in ground to a depth not less than 2.25 metres deep below ground level with top edge of earth plate not less than 1.5 metre below normal ground level surrounded with adequate quantity of charcoal dust mixed with salt to a packed thickness of 15 cm all around the plate, using GI strip 32 x 6 mm as earth strip electrode bolted or rivetted to earth plate at one end and connected to equipments at another end, GI earth strip encased in and including 40 mm dia GI 'light grade' pipe from upper end of earth plate upto equipments,20 dia bore GI pipe 'light grade' as water pipe from earth chamber to upper edge of earth plate, Test point , GI funnel with wire mesh fixed on water pipe and PCC 1:2:4 type B-1 (using 20mm graded stone aggregate) as in pit chamber and RCC pit cover 50mm thick precast RCC 1:2:4 type B-1, duly reinforced with MS TMT bars 8mm dia @ 100 c/c both ways with 10mm dia MS round bar as in lifting handles, excavation, earth work including laying the GI pipe concealed in floor/wall all as described in electric plate of SSR Part I and testing on completion complete all as specified and directed. . Note :- If the desired earth resistance is not found, earthing shall be redone by the contractor at no extra cost to the department.

Cutting of exist accuostic panel of suitable size for indoor unit of ac size including cutting hole for drain pipe and wire and fixing indoor unit with help of suitable frame including making good of surface complete all as specified and as directed.

Supply, laying / fixing / connecting, testing and commissioning of cross sectional area 400 sqmm x 3.50 core LT under ground cable XLPE insulated, screened, PVC bedded, galvanised steel strip or wire armoured, electric cable (heavy duty) with multistranded aluminium conductor,1100 Volts grade in trenches/on wall/poles laid in ducts/inside protection pipe including cable glands,lugs and suitable size of MS saddle clips (where ever cable laid in ceilings / walls without cable duct) all as directed by the Engr-in-Charge. Note:- (i) Excavation,sand cushioning,brick will be measured and paid separtely under relevant item.

Supply, laying / fixing / connecting, testing and commissioning of cross sectional area 95 sqmm x 3.50 core LT under ground cable XLPE insulated, screened, PVC bedded, galvanised steel strip or wire armoured, electric cable (heavy duty) with multistranded aluminium conductor,1100 Volts grade in trenches/on wall/poles laid in ducts/inside protection pipe including cable glands,lugs and suitable size of MS saddle clips (where ever cable laid in ceilings / walls without cable duct) complete all as directed by the Engr-in-Charge for the following ratings Note:- (i) Excavation,sand cushioning,brick will be measured and paid separtely.

Excavating in trenches, not exceeding 1.5 m wide and not exceeding 1.5 m in depth for laying of cables, pipes etc. and getting out including trimming the sides and forming bottom surfaces to required levels in soft/loose soil complete all as specified and directed.

Returning, filling in, including spreading, levelling, and well ramming in layer not exceeding 25 cm thick in soft/loose soil complete all as specified and directed.

Removing excavated material (soil) to a distance not exceeding 50 m and depositing where directed at a level not exceeding 1.5 m above the starting point complete all as specified and directed.

Supply and laying dry coarse sand as in cushioning of under ground electric cable in trenches, laid to a uniform thickness of 23 Cm (15 Cm under the cable & 8 Cm over the cable) and gently punned down to 18 Cm thickness complete all as specified and as directed by the Engr-in-Charge. Note:- Thickness after punning down shall be measured for payment.

M&L for Brick Sub Class 'B' locally available best quality laid in trenches with width equal to length of the bricks, above sand cushioning for cable protection complete all as specified and as directed.

S&F Pipes galvanized, 100 mm bore “light grade”, supplied and laid complete including necessary fittings such as tees, bends, elbows, sockets, reducers etc as per site requirement for cable protection complete all as specified and as directed.

M&L for Boring holes horizontally under Road without damaging the surface of Road (minimum 1.0 METRE below the Road Surface / footpath with the help of GI Tubing not exc. 150mm bore (dia) for passing of UG Cable, complete all as specified and directed.

Supply , install, testing and commissioning of floor mounted LT outdoor panel board AC 415 V , 50 HZ 3 Phase 4 wire of suitable size for accomodating the following accessories totally enclosed self supporting structure / cubicle , fully compartmentalized type , suitable for outdoor use , with bottom cable entry with suitable cable glands structure made out of 3.15 mm thick with CPRI Approved CRCA steel sheet of suitable size with angle iron frame work and legs of ISA 50X50X5 mm , with four legs grouted to PCC (1:2:4) type B1 , foundation block with suitable mounting arrangement for bus bars voltmeter, ammeter and MCCBs , hinged doors at front with suitable locking arrangement , Provision of louvers at sides , structure treated under - tank metal treatment process and duly powder coated , complete all as specified and directed :- BUSBAR :-(i) Copper bus bar 500 Amps , supported on non hygroscopic fibres and brass screws for mounting -04 NosINCOMER(a) Supply and fix MCCB 4 pole 415 Volts of breaking capacity of 25 KA of 250 Amps with Fixed thermal and Fixed magnetic setting- 01 Nos INDICATING DEVICES (a) Supply and fixLED Indicating lamps for Main Supply indicating R, Y, B - 03 Nos (b ) Supply and fix Digital Ampere Meter 31/2 digit display , incl CT having CTR 250/5 - 01 Nos & Digital Voltmeter 0-500 Volts , SIF 96 - 01 Nos OUTGOING FEEDERS (a) Supply and fix MCCB of 4 pole , 415volts of capacity 160 amps with breaking capacity of 25 KA Fixed thermal and fixed magnetic setting - 03 No (b) Supply and fix 40 Amps MCCB TPN , 415volts - 02 No

Supply and fix Voltage stabilizer for automatic operation, three phase, naturally oil cooled, indoor type & designed for input variation between 300 V to 480 V with output voltage stabilized at 415 with accuracy ± 2.5% and speed of correction 8 Volts per second and of capacity 25 KVA complete all as specified and directed.

M/S Jiban Krishan Das and Co (BID ID -3164811)

D G Corporation (BID ID -3164971)

SHANKAR ENTERPRISE (BID ID -3166342)