WBPWD/EE/JED/eNIQ33/2021-22

Amount

S & installation of single phase Timer DB comprising of 2+14 way SPNMCBDB ( concealed in wall) , 32 A DP MCB , analog time switch ( L&T make,25 / 32 A FP modular power contactor , 6 A DPMcb change over with suitable interconnection with necessary PVC FR cupper wire with proper termination of cupper socket INCL TWO NO different colour indicater - 2 no. . ( Make: Havells / L&T)

S & installation of single phase dual Timer DB comprising of 2+14 way SPNMCBDB ( concealed in wall) , 2 no 25 / 32 A DP MCB , analog time switch ( L&T make,25 / 32 A FP modular power contactor , 6 A DPMcb change over with suitable interconnection with necessary PVC FR cupper wire with proper termination of cupper socket INCL THREE NO different colour indicater for ON / AC#1, AC#2 ( Make: Havells / L&T)

Supplying and fixing double door Horizontal TPN MCB Distribution board with IP-42/43 protection, concealed in wall after cutting the wall & mending good the damages to original finish incl. Inter connection with suitable size of copper wire and neutral link & provision for earthing attachment

L&T(DHDPTHODRW06) /Legrand make 6 way Enclosure

Supplying and fixing double-door SPN MCB Distribution Board with IP-42/43 protection, concealed in wall after cutting the wall & mending good the damages to original finish incl. Inter connection with suitable size of copper wire and neutral link & provision for earthing attachment.

2+4 way Enclosure ( Legrand make cat . No. 607710/ L&T Make )

Supplying and fixing 240/415 V FP MCB on din rail of existing DBs and necessary connection

(Legrand/L&T make ) 415 v 63 A FP MCB

Supplying and fixing 240/415 V MCB of Breaking capacity 10kA & C haracteristics on din rail of existing DBs and necessary connection

(L&T make )6-32A

Supplying and fixing PVC Rigid Conduit 'FR' [Precision Make] on wall, ceiling with saddles and other accessories as required and mending good damages to building works

Supplying and Drawing 1.1 KV single core stranded 'FR' PVC insulated & unsheathed single core stranded copper wire (Brand approved by EIC) of the following sizes in the prelaid polythene pipe and by the prelaid GI fish wire and making necy. connection as required

4x126/0.4 (16 sqmm) + 2x86/0.4 (10 sqmm) as ECC

2x2.5 + 1x 1.5 as ECC

Finishing of the PVC insulated wire ends by socketting with pin/ ring type copper sockets and insulated tapes etc., including supplying sockets, tapes.

Supplying and fixing 415V, 125 Amp TPN on load front operated Changeover switch with Sheet Steel enclosure on angle iron frame on wall with nuts bolts etc. ( Make L&T) (Bypass line for UPS)

Dismantling charge for 415 v 100 Amp (on angle iron frame) Sheet Steel Main Switch (Rewirwable type)/ Change over on Flat Iron Frame/Angle Iron Frame / Bus bar / FPMCCB enclosure on wall and refixing to shifted location

Distribution wiring in 2 x 22/0.3 (1.5 sqmm) single core stranded 'FR' PVC insulated & unsheathed copper wire (Brand approved by EIC) in 20mm size PVC rigid conduit 'FR' (Precision make), with 1x22/0.3 (1.5 sqmm) single core stranded 'FR' PVC insulated & unsheathed copper wire for ECC, to light/fan/call bell points with Piano Key type switch fixed on MS CRC sheet metal (16 SWG) switch board cum JB on wall complete with 2 no. suitable size “Ph & N” copper bar incl. bakelite/Perspex (wall matching color) top cover 3 mm thick and incl. 175mmx100mmx65mm inspection box, making earthing attachment, painting the MS box and mending good the damages to original finish (av run 9m)

Distribution wiring in 1.1 KV grade 22/0.3 (1.5 sqmm) single core stranded 'FR' PVC insulated & unsheathed copper wire (Brand approved by EIC) in 20mm size PVC rigid conduit 'FR' (Precision make), with 1.1 KV grade 1 x 22/0.3 (1.5 sqmm) single core stranded 'FR' PVC insulated & unsheathed copper wire as ECC, to 5A 3 pin flush type plug socket & Piano Key type switch fixed on MS CRC sheet metal (16 SWG) switch board cum JB on wall incl. bakelite/Perspex (wall matching color) top cover 3 mm thick and incl. painting the MS box and mending good the damages to original finish(on board)

Supply & Fixing 240 V, 20A, plug socket with separate 20 A Piano key type switch (Brand approved by EIC) on sheet metal switch board embedded in wall incl. S & F 150x100x65mm MS (16SWG) switch board and bakelite/perspex top cover of 3mm thick by Brass screws after making housing for switch by cutting bakelite/perspex cover and making necessary connections as required

Supply & delivery of Extruded Aluminium Industrial batten for continuous operation ,suitable for Surface, Wall & Conduit mounting (with accessories) [Make: Phillips EnduraLED Next BN308C LED20S-6500 L120 PSU WH with acessories AC308C MB S/A/ Havells ENDURALINEARNEOBS20WLED865SPCWH/equivalent make of Crompton] as per choice of EIC

Supply & delivery of Bulkhead [Make: Phillips EnduraLED WT202W LED 6S CW PSU S2PC/ Havells HEXAFT10WLED857SSYMBOPC/Crompton cat no.LBHP 10 CDL] as per choice of EIC.

Supplying and fixing 415V, TPN on load front operated Changeover switch with Sheet Steel enclosure on angle iron frame on wall with nuts bolts etc 160 A, [Make: L&T]

Earthing with 50 mm dia GI pipe 3.64 mm thick x 3.04 Mts. long and 1 x 4 SWG GI (Hot Dip) wire (4 Mts. long), 13 mm dia x 80 mm long GI bolts, double nuts, double washers incl. S & F 15 mm dia GI pipe protection (1 Mts. long) to be filled with bitumen partly under the ground level and partly above ground level driven to an average depth of 3.65 Mts. below the ground level.(make: ISI- medium)

Excavation of soil for installation of Earth Electrode and filling & ramming.(for morrum)

Supplying & fixing earth busbar of galvanized (Hot Dip) MS flat 25 mm x 6 mm on wall having clearance of 6 mm from wall including providing drilled holes on the busbar complete with GI bolts, nuts, washers, spacing insulators etc. as required

Connecting the equipments body to earth busbar including S & F 25 mm x 6 mm galvanised (Hot Dip) MS flat on wall/floor with GI saddles as required and connection to equipments incl. drilling holes, with bolts, nuts, washers etc.

Extra for treatment of soil by using salt & charcoal or coke for plate electrode Item.

Extra for providing masonery enclosure on the top of the earth electrode of overall size 86.36 cm x 86.36 cm x 46 cm deep (below Ground level) complete with cemented brick work(1:6) of 25 cm width duly plastered with cement morter (inside) CI hinged inspection cover of size 36.56 cm x 35.56 cm with locking arrangement, GI educer including drilling of 46 nos12 mm dia holes on the GI pipe

S&F exhaust fan with louver shutter/cowl after making hole in wall & making good damages & smooth cement finish etc. As practicable as possible & providing necy. Length of PVC insulated wire & making connection for exhaust of following

a. 250V 9''dia (make EPC / orient make heavy duty)

M/S CHOWDHURY ELECTRICAL WORKS

EFFORTECH

DB Enterprise

BAPPA CONSTRUCTION