Electrical installation work for installation of AC Machines at Cold Storage at BP Lab, IAH and VB, Belgchia, Kolkata

Amount

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. 2 x 36/0.3 (2.5 sqmm) + 1 x 22/0.3 (1.5 sqmm) ECC

2 x x 56/0.3 (4 sqmm) + 1 x 36/0.3 (2.5 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 . 2.5sqmm

Supply & Fixing 240 V, 16 A, 3 pin Modular type plug socket (Brand approved by EIC) with 16A Modular type switch, without plug top on 4 Module GI Modular type switch board with top cover plate flushed in wall incl. S&F switch board and cover plate and making necy. connections with PVC Cu wire and earth continuity wire etc

Supply & Fixing 240 V, 25 A, 3 pin Modular type plug socket (Brand approved by EIC), incl. S&F 1no 240 V, 25 A, 3 pin Modular type plug top (Brand approved by EIC) and switch with 2 Module GI Modular type switch board with top cover plate flushed in wall and making necy. connections with PVC Cu wire and earth continuity wire as per GS.

S/F 240 V, 25 A, Modular type starter (Brand approved by EIC) with 25A Modular switch type DP MCB (CCurve) and 4 Module GI Modular type switch board with 4 Module top cover plate flushed in wall incl. S&F switch board and cover plate and making necy. connections with PVC Cu wire and earth continuity wire etc. as per GS.

S&F of 450V double door Compound Light Timer DB [equivalent of 12 way SPNDB] with sheet steel enclosure, pnosphitised powder coated neutral bar, DIN rail with IP-43 potection comprising with 1 no. 40A DP MCB ('C' curve 10KA), . Digital Programmable time switch-24 hrs - 1 no. 25A 2-Pole power contractor with inner-outer plate & internal wiring by suitable size of cu. wire incl. 1 no. Auto-Manual bypass toggle switch and provision for earthing attachment, incl. LED indication light for running/OFF-2 nos condition ,32 A Barrier type terminal-1 no with mechanical locking arrangement, as directed by EIC.

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 as below: By TATA-Medium GI pipe

Excavation of soil for installation of Earth Electrode and filling & ramming. For Soft Soil

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

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 reducer including drilling of 46 nos. 12 mm dia holes on the GI pipe

Connecting the equipments to earth busbar including S & F GI (Hot Dip) wire of size as below on wall/floor with staples buried inside wall/floor as required and making connection to equipments with bolts, nuts, washers, cable lugs etc. as required and mending good damages 4 SWG

SITC of AC Machines Supply, installation, testing and commissioning of Split type AC machine having Cooling capacity range(6.6 KW-7.0 KW) with fixed speed rotary compressor, refrigerant gas R32/R410 BEE star rating-2 or 3 (ERR range 3.5 to 3.99), air flow range CFM (780-850), both condenser and cooling coils made of copper tube connecting cord with plug top including MS bracket confirming to IS 1391(Part-I & Part-II) with all amendments . (Make- Mitsubishi Electric GK24VA/ Mitsubishi Heavy SRK24CW-S6/ O General ASGA24BMWAB (R32))

SITC including vacumization and nitrogen of testing of following normal size of soft/hard drawn copper refrigerent piping for package/ VRV/VRF/RAC system complete with fittings with adjustable ring type hanger supports jointing/brazing including accessories insulated with XLPE class O tubular insulation/with Class O closed cell elastometric nitrile rubber tubular sleeves section of specified thickness as given bellow for suction and liquuid lines. all accessories as per specification etc. as required.

1/4'' (6.4 mm) dia (soft drawn) Cu. Pipes (As per standard BS864 or ANSIB 16.22) incl. 19 mm thick insulation.

5/8'' (15.88 mm) dia (soft drawn) Cu. Pipes (As per standard BS864 or ANSIB 16.22) incl. 19 mm thick insulation.

Supply & laying PVC Drain pipe 25 mm dia with 6mm thick Nitrile Rubber insulation. (Suprime/Oriplast)

Control Cabling from Condensing Unit to Control Panel 4 Core 1.5 sq. mm. Communication Cable for Split AC, as directed by EIC. (Make : Polycab/KEI/Finolex)

Note: 1) All the above rates should be quoted inclusive of all taxes & duties as applicable. 2) The warranty for the AC Machines of BOQ ltem Sl. No. 37 has to be provided for 5 years on PCB and 10 years on Compressor by the manufacturer/OEM. The Sl. No’s of the AC Machines must be mentioned in the Delivery challan on site along with the warranty certificate provided by the Manufacturer/OEM specifying the AC Machines with Serial number and date.

RAMKRISHNA ELECTRIC (BID ID -6862826)

EFFORTECH (BID ID -6877471)

BHARAT INFOCOM (BID ID -6870842)