Construction of MP Hall at govt. Sarvodaya Vidyalaya C Block Saraswati Vihar Delhi. ID 1411123. Sub Head SITC of VRV VRF System.

Amount

Supply, installation, Testing & Commissioning of modular type Variable Refrigerant Flow/Variable Refrigerant Volume air cooled Outdoor units suitable for cooling and heating, having all hermetically sealed inverter type Scroll Compressor (s), minimum two compressors for above 14 HP modules, microprocessor based Controller, top discharge type condensing unit(s), with R410A Refrigerant, vibration isolators, with suitable foundation etc. complete as required. The unit shall deliver the rated capacity at AHRI Conditions and work even at 50°C ambient temperature without tripping. The unit shall be suitable to work on 400V+/-10%, 3Phase, 50Hz AC power supply. The unit shall be filled with first charge of the refrigerant and ready for use as required. The COP at AHRI conditions shall not be less than 3.1 and IEER not less than 6.5.

Supply, Installation, testing and commissioning including vaccumiazation and Nitrogen testing of following nominal sizes of soft/hard drawn copper refrigerant piping for VRV/VRF system, complete with fittings, with suitable adjustable ring type hanger supports, jointing/brazing including accessories, insulated with XPLE Class-O tubular insulation/with Class-O closed cell elastometric nitrile rubber tubular sleeves sections of specified thickness as given below for Suction and Liquid lines, all accessories as per specifications etc. as required :

41.27mmdia(OD)(Harddrawn)withtubethickness1.62mmwith19mm thick insulation

28.58 mm dia (OD) (Hard drawn) with tube thickness 1.2 mm with 19 mm thick insulation

19 mm dia (OD) (Hard drawn) with tube thickness 1.2 mm with 19 mm thick insulation

15.86 mm dia (OD) (Soft drawn) with tube thickness 1.2 mm with 19 mm thick insulation

Supplying, Installation, Testing and commissioning of outdoor type Air Handing Unit of 14000 CFM , 35 TR, static pressure of 50mm Wg. The AHU shall be made of Double skin casing having thickness of 43 mm Thermal Break Profile. The Outer Sheet of AHU panel shall be 0.6 mm Pre-plasticised and inner sheet shall be 0.6 mm plain GI. The Unit should have Mixing Box with FA/RA aluminium Damper , Prefilter section with 50 mm thick prefilter, 6 Row deep cooling coil and Fan section having Fan, Motor and V Belt drive. The AHU should have outlet damper. The Unit should have AHU kit to make complete system with VRF and have AHU control panel etc. complete as required.

Expansion Kit, Communication PCB & Thermostat - Supply, Installation, Testing & Commissioning of Electronic Type Expansion Kit, Communication PCB with Sensors, Corded Self Diagnostic Type Digital Thermostat complete etc.as required. - 14,000 CFM St Pr. 50 mm of Wg and 6 Row deep Coil

Main Intelligent Central Controller System - Supply, Installation, Testing & Commissioning of Main Intelligent Central Controller System Suitable For Indoor Units To Operate, Monitor, On / Off, Temperature Setting etc complete etc.as required.

Main LT Panel - Fabrication, supply, installation, testing commissioning of cubical type floor mounted LT Panel made out of 2 mm thick CRCA sheet including connection, inter-connection alongwith 4 strip aluminium bus bar comprising of following panel mounting switches etc. as required, interconnections with solid aluminium strip / aluminium bus bar / suitable size of copper wire Complete etc as required Face Area of Panel Not less then 2.60 Sqm. INCOMER: 250 A, FP, MCCB, 36 KA with Thermal Magnatic Released i/c overload and short circuit l protection with extendable rotary handle and Speadre Link - 1 No. Metering & Indication On / Off phase indicating lamps with control fuse - I Set Multi Functional Meter - 1 No. Bus Bar 300 A four pole, Al bus Bars with BPTM type heat shrinkable bus bar insulation supported with DMC / FRP insulator - 1 Set. OUTGOING: 63 A 4 pole, 25KA MCCB with Thermal Magnatic Released i/c overload and short circuit l protection with extendable rotary handle and Speadre Link - 16 Nos. 63 A 4 Pole MCB - 3 Nos. Compete one Set

Supply, installation, balancing and commissioning of factory fabricated GSS sheet metal rectangular/round ducting complete with neoprene rubber gaskets, elbows, splitter dampers, vanes, hangers, supports etc. as per approved drawings and specifications of following sheet thickness complete as required.

Thickness 0.63 mm sheet

Thickness 0.80 mm sheet

Thickness 1.00 mm sheet

Supplying and fixing of following thickness duly laminated aluminum foil of mat finish closed cell Nitrile rubber (Class "O") insulation on existing duct after applying suitable adhesive for Nitrile rubber. The joints shall be sealed with 50 mm wide and 3 mm thick self adhesive nitrile rubber tape insulation complete as per specifications and as required. - 19mm

Supply, installation, testing and commissioning of Motorized (ON-OFF Type) duct mounted GI volume control damper with enthalpy sensor and necessary control wire (minimum 1.5 sqmm) for integration within AHU room. - Damper

Supplying & fixing of powder coated extruded aluminium Return Air Grills with louvers but without volume control dampers complete as required.

Supplying, Fixing,testing and commissioning of fire dampers in supply air duct/main branch and return air path as and where required of required sizes i/c control wiring,the damper shall be motorized and spring return so as to close the damper in the event of power failure automatically and open the same in case of power being restored. The spring return action shall be inbuilt mechanism and not externally mounted. The damper shall also be closed in the event of fire signal complete as required and as per specifications. - Actuator

Supplying of 3.5 x 120 sq.mm size aluminium conductor power armoured cable of 1.1 KV grade, outer sheathed cable i/c connection, thimbling, testing, commissioning etc. as reqd.

Laying of one number PVC insulated and PVC sheathed / XLPE power cable of 1.1 KV grade of following size in the existing RCC/ HUME/ METAL pipe as required. - Above 95 sq. mm and upto 185 sq. mm

Supplying of 4x10 sq.mm size copper conductor power armoured cable of 1.1 KV grade, outer sheathed cable i/c connection, thimbling, testing, commissioning etc. as reqd.

Laying and fixing of one number PVC insulated and PVC sheathed / XLPE power cable of 1.1 KV grade of following size on cable tray as required. - Upto 35 sq. mm (clamped with 1mm thick saddle)

Transmission & Control Wiring - Providing & fixing of control cum transmission wiring of copper between indoor and out door unit in 25 mm PVC Conduit. AC Contractor shall include the cost of chiselling & finishing the wall / ceiling wherever required. 3C x 1.5 Sq mm (Unarmoured)

Supplying and laying of following size DWC HDPE pipe ISI marked along with all accessories like socket, bend, couplers etc. conforming to IS 14930, Part II complete with fitting and cutting, jointing etc.direct in ground (75 cm below ground level) including excavation and refilling the trench but excluding sand cushioning and protective covering etc., complete as required. - 120 mm dia (OD-120 mm & ID-103 mm nominal

Supplying and installing following size of perforated Hot Dipped Galvanised 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 thickness

Supplying & fixing powder coated aluminium rotateable jet nozzle / diffuser of neck size: 380 /400 mm dia. With aluminium butterfly damper complete etc. as required.

Earthing with G.I. earth plate 600 mm X 600 mm X 6 mm thick including accessories, and providing masonry enclosure with cover plate having locking arrangement and watering pipe of 2.7 metre long etc. with charcoal/ coke and salt as required.

Providing and fixing 25 mm X 5 mm G.I. strip in 40 mm dia G.I. pipe from earth electrode including connection with G.I. nut, bolt, spring, washer excavation and re-filling etc. as required.

Providing and fixing 6 SWG dia G.I. wire 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 along with existing surface/ recessed conduit/ submain wiring/ cable as required.

Providing and Fixing 63 A 4 Pole, 300 miliamp ELCB (for outdoor units)- in Thermo -Plastic enclsore suitable for outdoor installation including making connection etc. complete as required.