Supply Installation Testing and Commissioning of 36 HP Centralized HVAC System, including required civil and electrical work at Academic Office, James Thomson Building, IIT Roorkee with 05 years CAMC

Amount

MACHINERY

Variable Refrigerant Volume System

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 R 410 A 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%, 3 Phase, 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.

Outdoor VRV Unit

INDOOR UNIT-CASSETTE TYPE

Supply, installation, testing and commissioning of following minimum capacity 4-way flow VRV/VRF Cassette Type Indoor ceiling mounted unit equipped with synthetic washable media pre-filter, fan section with low noise fan/dynamically balanced blower, multispeed motor, coil section with DX Copper coil, electronic expansion valve, outer cabinet, drain pump, grill, necessary supports, vibration isolation, cord less remote control etc., suitable for operation on single phase 230 V ± 10%, 50Hz AC supply, complete, as required. The unit shall have automatic force shut down provision in case of fire on receiving signal from BMS System. The cooling capacity of indoor unit will be at air inlet conditions of 27 Degree C DB and 19 Degree C WB temperature. (+/- 5% tolerance in nominal capacity may be accepted.)

INDOOR UNIT-HI WALL TYPE

Supply, installation, testing and commissioning of following minimum capacity VRV/VRF High wall type Indoor unit equipped with washable synthetic media pre-filter, fan section with low noise fan/dynamically balanced blower, multispeed motor, coil section with DX copper coil, electronic expansion valve, outer cabinet, cordless remote control, drain pan, necessary accessories etc., suitable for operation on 230 V ± 10%, 50 Hz, single phase AC supply, complete as required. The unit shall have automatic force shut down provision in case of fire on receiving signal from BMS System. The cooling capacity of indoor unit will be at air inlet conditions of 27 Degree C DB and 19 Degree C WB temperature. (+/- 5% tolerance in nominal capacity may be accepted.)

Supply, Installation, Testing and commissioning of Imported fittings (Ref Net) Y-joints etc.

Supply, installation, testing and commissioning of purified fresh air unit a hybrid air purification system that improves the indoor air quality through reducing harmful pollutants like particulate matter (PMx), PM 2.5, PM1 based on trap & kill technology, etc. It should be a monobloc structured unit, sectionalized construction double skin draw thru type floor mounted having 46 mm thick panels, frame work of aluminum construction with Inner and Outer sheet of double skinned panels shall be made of 0.6 mm galvanized sheet, with pressure injected foam insulation (PUF) of density 40 kg/m3 factory injected between them by injection molding machine specifically designed for integration in Ductable and cassette unit, It should have a multiple layers of filtration to ensure 99 % efficiency over PM2.5 particles present in air, with 20 mm of external static pressure. Fresh Air unit must consist of pre filter, fine filter, and Electronic class of air purification with activated carbon to bring down to bring down PM1 levels to 95%. Fan section with airfoil blower, either with forward or backward curve PLUG fan with optional BMS compatibility, aluminium volume control damper .Velocity of air across the filters shall not more than 500 FPM. Unit shall be suitable for outdoor application. Approved Makes – Magneto / Zonex / Coolexair / Zeco / Edgtech / Bryair or Approved VRF OEMs

Cabinet Type Fresh Air Fan:1000 cfm

PLUMBING

PIPING & INSULATION

Copper Refrigerant Piping

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 :

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

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

12.7 mm dia (OD) (Soft 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

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

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

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

34.9 mm dia (OD) (Hard drawn) with tube thickness 1.62 mm with 19 mm thick insulation

41.27 mm dia (OD) (Hard drawn) with tube thickness 1.62 mm with 19 mm thick insulation

Supply, Installation, testing and commissioning of 10 KG Presure PVC pipe with 6 MM Nitrile insulation, complete with fittings, supports accessories in surface/recess as per specifications & site requirments

25 mm dia

32 mm dia

40 mm dia

Supply, installation, balancing and commissioning of fabricated at site 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

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

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.

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

Supplying & fixing of powder coated extruded aluminium Supply Air Grills with aluminium volume control dampers as per specifications.

Electrical Panel for AC System

Supply, erection, testing and commissioning of factory fabricated metal clad dust and vermin proof- floor mounted 160-250 A cap 440 V, 50 HZ,3 phase and neutral electric feeder pillar double door 400 mm depth duly powder coated spray painted with separate chamber for instruments (e.g. ampere meter, volt meter, frequency meter, KWH meter etc.) & switch gears (like I/C & O/G MCB's/MCCB's, C/o switch with extentionable/rotary handle etc.). The feeder pillar/ panel shall have 160-250 Amp, 415V TPN electrolyte aluminium bus bar as per IS 8623 insulated with heat shrink sleeve and mounted on nonhygroscopic supports with detachable side with hinge and locking. The switches shall be completed with lug and cable gland of suitable size of cables with connection as required. The feeder pillar should be made with 2 mm CRCA sheet. The feeder pillar should be fixed on M.S. channel 75mm X 40mm X 6mm size and mounted on M.S. angle iron 50mm X 50mm X 5mm size frame 450mm height with cross support completed as per direction of site in charge. The panel shall be comprised of indicator and feeder nomenclature as per direction of site-in-charge.

Providing and fixing 125 amp, 16 KA, rating and breaking capacity TPMCCB in existing cubicle panel board including drilling holes in cubicle panel, making connections etc. as required.

Supplying and fixing following way, horizontal type three pole and neutral, sheet steel, MCB distribution board, 415 V, on surface/ recess, complete with tinned copper bus bar, neutral bus bar, earth bar, din bar, interconnections, powder painted including earthing etc. as required. (But without MCB/RCCB/Isolator)

8 way (4 + 24), Double door

Supplying and fixing 5 A to 32 A rating, 240/415 V, 10 kA, "C" curve, miniature circuit breaker suitable for inductive load of following poles in the existing MCB DB complete with connections, testing and commissioning etc. as required.

Single pole

POWER CABLES

Supplying and laying of following sizes of 1.1 KV XLPE insulated Copper conductor armoured cables on existing cable tray / hume pipe / trench..

4 core 10 Sq mm

4 core 6 Sq mm

CONTROL CABLING

Supply, laying, testing and commissioning of control cabling, as per Standard specification including end termination as required.

Power Cabling ( PVC insulated and PVC sheathed, armoured, Copper Conductor of 1.1 KV grade on existing cable trays).

2C x 1.5 Sq mm

3C x 2.5 Sq mm

Supplying and laying of following sizes of Flexible FRLS insulated Copper conductor on existing cable tray / hume pipe / trench.

2 core 1.5 Sq mm

Supplying and drawing following sizes of FRLS PVC insulated copper conductor, single core cable in the existing surface/ recessed steel/ PVC conduit as required.

2 X 6.0 Sq mm

Supply and laying of aluminium conductor, XLPE insulated, armuored, PVC sheathed cable, 1100V grade cabe at a depth of 750mm below ground level including excavation and refling the trench over a cushion of 75mm thick sand alround and protected with burnt bricks on sides and on top as directed by the Engineer-Incharge, complete in all respects. The armouring of the cable shall be properly connected with the earth conductor by clamps etc. The cable shall be laid by boring the road as required and compaction of soil & repairing of surface in prior shape shall be done properly.

3.5CX70Sqmm.

Supply and laying of aluminium conductor, XLPE insulated, armuored, PVC sheathed cable, 1100V grade cabe on existing cable tray / hume pipe / trench.

3.5CX70Sqmm.

Supplying and making end termination with brass compression gland and aluminium lugs for following size of PVC insulated and PVC sheathed / XLPE aluminium conductor cable of 1.1 KV grade as required.

3.5 c x 70 sq.mm XLPE Cable

4 X 10 sq. mm (25mm)

Supplying and fixing of following sizes of medium class PVC conduit along with accessories in surface/recess including cutting the wall and making good the same in case of recessed conduit as required.

Cable Trays :

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%, inconvenient sections, joined with connectors, suspended from the ceiling with G.I. suspenders including G.I. bolts & nuts, etc. as required.

150 mm width X 50 mm depth X 1.6 mm thickness

225 mm width X 50 mm depth X 1.6 mm thickness

Providing and fixing 25 mm X 5 mm G.I. strip on surface or in recess for connections etc. as required.

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

Supplying and fixing 40 to 63 amp 4Pole MCB rating , 240/415 volts, "C" curve, miniature circuit breaker suitable for inductive load of following poles in the existing MCB DB complete with connections, testing and commissioning etc. as required.

Supplying and fixing 25 A rating, double pole, (single phase and neutral), 240 V, residual current circuit breaker (RCCB),having a sensitivity current 30 mA in the existing MCB DB complete with connections, testing and commissioning etc. asrequired.

Structural steel work riveted, bolted or welded in built up sections, trusses and framed work, including cutting, hoisting, fixing in position and applying a priming coat of approved steel primer all complete.

Providing and fixing false ceiling at all height including providing and fixing of frame work made of special sections, power pressed from M.S. sheets and galvanized with zinc coating of 120 gms/sqm (both side inclusive) as per IS : 277 and consisting of angle cleats of size 25 mm wide x 1.6 mm thick with flanges of 27 mm and 37mm, at 1200 mm centre to centre, one flange fixed to the ceiling with dash fastener 12.5 mm dia x 50mm long with 6mm dia bolts, other flange of cleat fixed to the angle hangers of 25x10x0.50 mm of required length with nuts & bolts of required size and other end of angle hanger fixed with intermediate G.I. channels 45x15x0.9 mm running at the spacing of 1200 mm centre to centre, to which the ceiling section 0.5 mm thick bottom wedge of 80 mm with tapered flanges of 26 mm each having lips of 10.5 mm, at 450 mm centre to centre, shall be fixed in a direction perpendicular to G.I. intermediate channel with connecting clips made out of 2.64 mm dia x 230 mm long G.I. wire at every junction, including fixing perimeter channels 0.5 mm thick 27 mm high having flanges of 20 mm and 30 mm long, the perimeter of ceiling fixed to wall/partition with the help of rawl plugs at 450 mm centre, with 25mm long dry wall screws @ 230 mm interval, including fixing of gypsum board to ceiling section and perimeter channel with the help of dry wall screws of size 3.5 x 25 mm at 230 mm c/c, including jointing and finishing to a flush finish of tapered and square edges of the board with recommended jointing compound , jointing tapes , finishing with jointing compound in 3 layers covering upto 150 mm on both sides of joint and two coats of primer suitable for board, all as per manufacturer's specification and also including the cost of making openings for light fittings, grills, diffusers, cutouts made with frame of perimeter channels suitably fixed, all complete as per drawings, specification and direction of the Engineer in Charge but excluding the cost of painting with :

12.5 mm thick tapered edge gypsum moisture resistant board

Providing and fixing false ceiling at all heights with integral densified calcium silicate reinforced with fibre and natural filler false ceiling tiles of Size 595x595mm of approved texture, design and patterns having NRC (Noise Reduction coefficient) of 0.50 (minimum) as per IS 8225:1987, Light reflectance of 85% (minimum). Non combustible as per BS:476 (part-4), fire performance as per BS:476 (part 6 &7), humidity resistance of 100%, thermal conductivity < 0.043 W/m K as per ASTM 518:1991,in true horizontal level suspended on interlocking metal T-Grid of hot dipped galvanised iron section of 0.33mm thick (galvanized @ 120 grams per sqm including both sides) comprising of main-T runners of size 24x38 mm of length 3000 mm, cross - T of size 24x32 mm of length 1200 mm and secondary intermediate cross-T of size 24x32 mm of length 600mm to form grid module of size 600 x 600 mm, suspended from ceiling using galvanised mild steel items (galvanizing @ 80 grams per sqm) i.e.50 mm long, 8 mm outer diameter M-6 dash fasteners, 6 mm dia fully threaded hanger rod upto 1000 mm length and L-shape level adjuster of size 85x25x25x2 mm. Galvanised iron perimeter wall angle of size 24x24x0.40 mm of length 3000 mm to be fixed on periphery wall / partition with the help of plastic rawl plugs at 450 mm center to center and 40 mm long dry wall S.S screws. The work shall be carried out as per specifications, drawing and as per directions of the Engineer-in-Charge.

With 15 mm thick tegular edged light weight calcium silicate false ceiling tiles.

Description of Work / Item(s)

Amount

Part-B: Comprehensive Annual Maintenance Contract (AMC) of 36 HP , VRF System for trouble free operation of the system, including maintain the temp.and RH as mentioned in the techncial specifications of the tender during its tenure. CAMC will be for 05 years (on year to year basis) after expiry of guarantee period including replacement of all essential spares/components.

First Year Comprehensive AMC

Second Year Comprehensive AMC.

Third Year Comprehensive AMC.

Fourth Year Comprehensive AMC.

Fifth Year Comprehensive AMC.

SHINRYO SUVIDHA ENGINEERS INDIA PRIVATE LIMITED

Utility Services