Sch-A:-Provision of VRF Air conditioning system in Dy.FA&CAO's, Sr.DEE(G)'s, Dy.DSTE(C), Dy.CEE(C)'s office of DRM Building 2nd floor, Nagpur. & Sch-B:- Electrical work in connection with repairs and renovation of Sr. DEE(G)'office at 2nd floor in DRM office building under ADEN(HQ)NGP.

A-Provision of VRF Air conditioning system in Dy.FA&CAO's,

Supply, Lifting, Shifting, Erection, Installation, Testing and Commissioning of Outdoor Units of VRF system with Air-cooled condenser suitable for operation at ambient temp. upto 56C, high 1 pressure Scroll Compressors with hermetic motor, assembled and wired in a single package complete, starting controls, safety controls, operating controls and with full feature microcomputer based controller with programming / diagnosis facility. One / All Compressors shall be invertor type based on manufacturer's technology. The system should deliver rated capacity at ambient upto 43°C DB. Cap. 12 HP Outdoor Unit.

SETC of 4 way cassette type Indoor unit VRF system as per specification. Cap. 2.00 TR.

SETC of 4 way cassette type Indoor unit VRF system as per specification. Cap. 4.00 TR.

Supply, Installation, testing and commissioning of VRF compitable, 5 star inverter split type AC unit suitable for R-32 having rotary compressor, unit suitable for indoor cooling unit to be 4 fixed on the wall having below mentioned nominal capacity, Suitable for single phase AC supply complete with outdoor unit, inter connection with copper piping, Drain piping etc as required Including all civil work repairs (cutting the wall with core cutter and make same good). (a) 1.59 TR HI- WALL with Wireless remote control.

Supply & erection of Refrigerant (R410a / R-32) charge to the outdoor unit and connected pipes between outdoor unit and AHU as per site requirement.

Refrigerant Piping: Refrigerant Piping for VRF system" Supply & Installation of 6 interconnecting suitable sizes of one end expanded refrigerant copper pipe work, insulated with 13mm thick (pipe size upto 19.1mm dia) & 19mm thick (pipe size above 19.1mm dia) closed cell electrometric nitrile rubber tubular insulation with aluminum foil between each set of indoor & outdoor units with outer mechanical protection for all exposed pipes as per requirement at site. All piping inside the room shall properly run in MS/GI supports and hangers etc. as reqd.

Supply and erection of Y-Joints/T-Joints/Ref- net separation refrigeration pipe joints and header shall be in the appropriate orientation to enable correct distribution of refrigerant for IDU as per requirement at site.

Cable tray: Supplying and installing following size of perforated Hot Dipped Galvanised 8 Iron cable tray (Galvanisation thickness not less than 50 microns) with perforation not more than 17.5%, in convenient sections, joined with connectors, suspended from the ceiling with G.I. suspenders including G.I. bolts & nuts, etc. as required. (300 mm width X 50 mm depth X 1.6 mm).

Drain Piping: i) Supply and fixing of heavy duty rigid 25mm dia PVC piping complete with fittings, supports as per AC unit manufacture'r STD. & specifications and duly insulated with 6mm thick closed cell nitrile rubber insulation as required at site & as relevant IS.

Drain Piping: ii) Supply and fixing of heavy duty rigid 32mm dia PVC piping complete with fittings, supports as per AC unit manufacture'r STD. & specifications and duly insulated with 6mm thick closed cell nitrile rubber insulation as required at site & as relevant IS.

Supply, laying , wiring and commissioning of 2 Core 1.5 sq mm PVC insulated Shielded 11 Screened and multi-stranded FRLS Copper Cable confirming to IS 694/1990 suitable size of PVC conduit pipe with 1sq. mm for control cum transmission along with looping between indoor & outdoor VRF system as per direction by site engineer in-charge.

MS FRAME FOR OUTDOOR UNITS Supply, Fabrication and Installation of MS frame using channels/angle iron sections as required for mounting of air cooled remote condensers and air 12 cooled condensing units for VRF outdoor units. The frame work shall be applied with red oxide primer and thereafter, two coats of enamel paint of approved colour. The general arrangement drawing for frame work shall be got approved from the Architects/ Structural Engineers prior to commencement of fabrication. Quoted price shall be inclusive of foundation/PCC blocks for the outdoor units complete.

SETC of LT PVC insulated, armoured, PVC sheathed Allu. Conductor cables Size of 4 Core 400 Sq.mm. with aluminium lugs, glands suitable nut bolt etc.

Supply, erection, testing & commissioning of LT panel Outdoor type with closing door powder coated consisting 2x630 A 4 pole ACB as I/C and 1x630 A 4P Bus Coupler, 8x250 A FP MCCB, 2x400 A MCCB for O/G with 3 ph KWH meter and other accessoriescomplete with fixing.

B-Electrical work in connection with repairs and renovation of Sr.

SETC of concealed point wiring for light fitting, fan, call bell, Exh/ fan, 5/6 Amps Plug /socket in modular type switches through PVC insulated single core multithreaded 1.5 sq.mm 1100V grade copper conductor with 1 Sq.mm earth continuity wire.

SETC of concealed Power point wiring with 2.5 Sq. mm copper wire for 5/15 Amps plug point in modular type switches with 1.5 Sqmm earth continuity wire.

Supplying & erecting mains with FRLSH copper PVC insulated wire Size of 2x2.5 sq.mm. with earth wire laid in Conduit/ trunking /inside pole/Bus bars or any other places.

Supplying & erecting mains with FRLSH copper PVC insulated wire Size of 2x4 sq.mm. with earth wire laid in Conduit/ trunking /inside pole/Bus bars or any other places.

Supplying & erecting mains with FRLSH copper PVC insulated wire Size of 2x6 sq.mm. with earth wire laid in Conduit/ trunking /inside pole/Bus bars or any other places.

SETC of 20-22 W round/square and surface/recces LED fitting complete with necessary fixing arrangements as per site requirement.

Supply, fixing & wiring of COB downlight warm white 36 degree beam angle tiltable Cob down light round 3 watt.

SETC of Three phase Distribution Board having 63 Amps 300 mA 4 pole RCBO-1 no and SP MCB 6-32 Amps-8 Nos (4x6A,2x10A & 2x16A) on each phase as per requirement complete.