Electrical installation work at the District Relief Godown, Disaster Management Section, DM Office, Jalpaiguri.

Amount

Supplying and fixing Havells 30/32A 240V DP with fuse on L&N Sheet steel Main Switches on flat iron frame on wall [PWD/GS Page: D-1 Item: 1/a]

Earthing Installation 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, with an average depth of 3.65 Mts. below the ground level (For soft Soil: ISI-Medium GI pipe) [PWD/GS Page No.: G-1 Item No.:2/a]

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

S&F 20 mm x 3 mm galvanized (Hot Dip) MS flat [PWD/GS Page:G-3 Item: 5/c]

Components of Power Distribution System S&F double-door (2+16) Way SPN MCB Distribution Board with IP-42/43 protection, concealed in wall. (Legrand: 607713 /Siemense /Havells Metallica /ABB Elegance - as per direction of EIC) [PWD/GS Page: D-09 Item:13]

S&F Wire way box suitable for 2+16-way SPN MCB DB(Legrand /Siemense /Havells Metallica /ABB Elegance - as per direction of EIC)

Supply & fixing 240/415 V MCB of Breaking capacity 10kA & C characteristics on din rail of existing DBs and necessary connection (Legrand /Siemense /Havells Metallica /ABB Elegance - as per direction of EIC) [PWD/GS Page: D-6 Item: 7]

40A DP MCB

6-32A SP MCB

S&F 40A 240/415 V (L&T: AUC00204000) changeover switch of on din rail of existing DB and necessary connection.

S&F Legrand: make 40A, 240V, 300mA sensitive double pole RCBO (L&T: AUF3C204030).

Distribution Wiring Installation Distribution wiring in 1.1 KV grade 3x22/0.3 (1.5 sqmm) single core stranded 'FR' PVC insulated & unsheathed copper wire (Brand approved by EIC) partly in 20mm size PVC rigid conduit 'FR' (Precision make) [for ceiling portion only] and in 19mm bore, 3mm thick polythene pipe [for horizontal & vertical run embedded in wall], to light/fan/call bell points with Piano Key type switch fixed on MS CRC sheet metal (16 SWG) switch board on wall complete with 2 no. “Ph & N” copper bar and 'L' shaped insulator chair incl. bakelite/ Perspex top cover 3 mm thick and incl. 175x100x65mm inspection box, making earthing attachment, painting the MS box and mending good the damages to original finish [only PVC Rigid Conduit on ceiling and remaining portion concealed] [equivalent to PWD/GS Page: E-15 Item: 5]

On board 5A

Average run: 12 Mtr.

Distribution wiring in 1.1 KV single core stranded 'FR' PVC insulated & unsheathed copper wire (Brand approved by EIC) in 20mm size PVC rigid conduit 'FR' (Precision make) incl. necy. fittings as required [equivalent to PWD/GS Page: E-14 Item: E/1/a]

2x36/0.3 (2.5 sqmm) + 1x22/0.3 (1.5 sqmm) as ECC

2 x 84/0.3 (6 sqmm) + 1 x 56/0.3 (4 sqmm) ECC

Finishing of the PVC insulated wire ends by socketting with pin/ring type copper sockets and insulated tapes etc., including supplying sockets, tapes. [PWD/GS Page: F-5 Item: 9]

2x36/0.3 (2.5 sqmm) + 1x22/0.3 (1.5 sqmm)

2 x 84/0.3 (6 sqmm) + 1 x 56/0.3 (4 sqmm)

Switch-Sockets & Enclosure with MCB Supply & Fixing 250 V two 5 Pin 6A flush type plug socket with two 6A Piano key type (Anchor make) switch on sheet metal box with bakelite top cover and earthing attachment incl. S&F sheet metal box appropriate of size [16 SWG] with 3mm thick bakelite top cover. [PWD/GS Page: E-4 & 5 Item: 11, 12 & 14, 15]

Fan Fittings & other accessories S&F EPC make 12" Heavy Duty Sweep A.C Exhaust fan incl. making hole on wall with nuts & bolts of required with S&F of louver shutter. [PWD/GS Page: C-4, Item: 28, 30]

Supply & Fixing 48" (1200mm) AC ceiling fan make: (Orient PSPO NEWBREEZE or SUMMERCOOL / equivalent of UHSA approved by EIC) complete with down rod, canopy fork, blades with all other accessories etc. but without regulator. [PWD/GS Page: C-3 Item: 21/a] Supply & fixing additional safety arrangement of ceiling fan by stranded GI strain wire of suitable gauge with one end fixed at RC clamp with special type of socket, nut-bolts, thimbles which thoroughly crimped with the strain wire and the wire passing through down rod (for upto 8 ft) and also other end connected with armature spindle by its existing jam nut hole with special arrangement (sample approved by EIC). The length of the strain wire up to 9ft also considering any type of work required i.e. enlarging the existing hole by file etc. to complete the job including installation as per direction of EIC (Static & Dynamic Load Test (in rotation of 1:20) certificate must be provided with final bill jointly with concerned Junior Engineer & authorized Electrical Supervisor of Agency).

S&F single 4ft LED tube light fitting incl. 4ft LED tube (LTT8-20), complete with all accessories suspended from ceiling/beem with L-clamp/ beem clamp. [Crompton: IGP131LT8-16 or Equivalent of Philips or Havells] [PWD/GS Page: C-2 Item: 17]

Supply & Fixing of 10W LED Lamp. Havells or Equivalent of Philips or Crompton)

TECHNOCRACY

SANKAR GHOSH

EVERGREEN ENGINEERS CO OP CONSTRUCTION SOCIETY LTD