Improvement of Ventilation for VFD Panel Boards at AC Plant at CIA

Amount

Supply, Installation, Testing and Commissioning of 22000 CFM Capacity and Static Pressure - 65 mm WG Exhaust Cabinet Fan unit with double skin cabinet constructed with PUF insulated hollow aluminium profile and double skin galvanised steel panels of min. 25 mm thickness comprises of belt driven DIDW (Double Inlet Double Width) centrifugal blower with GI enclosure complete with Class I construction, fixed with IE4, TEFC Squirrel. cage Induction motor complied with IP-55 protection and suitable for operation on thee phase , 415Volt, 50HZ AC power supply along with Star-Delta Starter control panel , including installation fan unit with suitable size GI welded angle mounting frame to mount fan unit on the existing floor by means of grouting / PCC pedestal as required, interconnection of fan unit and starter panel with suitable size power & control cable complete with all associated accessories etc., as per special condition and technical specifications as required.

Supply, Installation, Testing and Commissioning of 20000 CFM Capacity and Static Pressure - 50 mm WG Fresh Air Cabinet Fan unit with double skin cabinet constructed with PUF insulated hollow aluminium profile and double skin galvanised steel panels of min. 25 mm thickness comprises of belt driven DIDW (Double Inlet Double Width) centrifugal blower with Washable Prefilter (MERV 14) complete with Class I construction, fixed with IE4, TEFC Squirrel. cage Induction motor complied with IP-55 protection and suitable for operation on thee phase , 415Volt, 50HZ AC power supply along with Star-Delta Starter control panel, including installation of fan unit with suitable size GI welded angle mounting frame to mount fan unit on the existing floor by means of grouting / PCC pedestal as required, interconnection of fan unit and starter panel with suitable size power & control cable complete with all associated accessories etc., as per special condition and technical specifications as required.

Dismantling of following existing Tube Axial fans from HVAC plant Roof / Ground level i/c disconnection of electrical terminals and handing over to AAI stores complete as required.

a) 11000 CFM - 2 Nos from roof level

b) 20000 CFM - 2 Nos from ground level

Fabrication, Supply, Installation, testing and commissioning of following size GI sheet metal ducts in accordance with the approved shop drawings & SMACNA Standards. etc complete as per technical specifications as required.

a) 1.2 mm thick GSS ducting (18G)

b) 1.0mm thick GSS ducting (20G)

c) 0.8mm thick GSS ducting (22G)

d) 0.63 mm thick GSS ducting (24G)

Fabrication, Supply, Installation, testing and commissioning of Supply air grill made up of Powder coated extruded aluminium material with suitable damper with collar complete with all associated accessories etc., as per special conditions and technical specifications.

Fabrication, Supply, Installation, testing and commissioning of Return air grill made up of Powder coated extruded aluminium grills without damper complete with all associated accessories etc., as per special conditions and technical specifications.

Fabrication, Supply, Installation, testing and commissioning of G.I. Construction box type duct Air volume control damper / Non Return Damper as required along with all necessary associated accessories i/c ducts lever and quadrants for proper balancing of air distrubution etc. complete as per special condition and technical specifications

Supply and fixing fire proof double layer silicon coated, non flammable type canvas connection of lengtht not less than 30cm length for interconnection of duct and fan out let. The canwas connection shall be made up with air tight & water proof and withstand high temperature fixed with suitable thickness aluminium flanges complete with all associated accessories such as fixing nuts & bolts etc. as per special condition and technical specifications.

SITC of MS welded frame structure (for fresh air/exhaust air fans) made up of M.S. (Mild Steel) L' angles, C' channels flat, tubes fixed on walls / slabs surface with suitable fixing anchor fastners including painting with one or more coat of rust proof paint of approved make /color etc. complete as required.

Supply of 4 x 16 sq.mm of 1.1 kV XLPE armoured aluminium conductor cables conforming to IS 7098-1 with latest amendedments etc as per technical specification as required.

Laying of 4 x 16 sq.mm of 1.1 kV XLPE armoured aluminium conductor cables in existing Cable Trays / on wall surface including clamping with suitable size GI Clamp and fixing screws etc. as per technical specifications complete as required.

Supplying and making end termination with brass compression gland and aluminium lugs for 4 x 16 sq.mm PVC insulated and PVC sheathed / XLPE armoured aluminium conductor cable of 1.1 KV grade complete as required.

Supply and fixing following way vertical type, 415 Volt, made up of CRCA sheet steel, dust protected and powder coated, prewired TPN MCB Double door Distribution Board on existing wall surface complete with connectors, busbars, neutral bars, earth bar, din bar, color coded cable interconnections, etc. but without outgoing and incomer MCBs. 4 way (1 incomer+ 4 outgoing)

Supplying and fixing following rating, 240/415 V, 10 kA, "C" curve, miniature circuit breaker of following poles in the existing MCB DB complete with connections, terminations, testing and commissioning etc. as required

Four pole, 63 A

Three pole, 32A

Providing and fixing 25 x 5 mm GI strip on surface or in recess for loop earthing as required.

Providing and fixing 6 SWG dia G.I. wire on surface or in recess for loop earthing as required.

GEMINI COOLING SYSTEMS PROJECTS PRIVATE LIMITED (BID ID -799575)