Installation of Air-Condition in the Examination Hall (Temporary used as Auditorium) at Dhubri Medical College and Hospital, Dhubri

Amount

GI Metal ceiling lay in perforated tegular edge global white colour Tiles of size 595 x 595 mm and 0.5 mm thick with 8mm drop made of GI sheet having Galvanizing of 100 gms/sqm (both side inclusive) and 20% perforation area with 1.8mm dia hole and having NRC ( Noise Reduction Coefficient) of 0.5. electro statically polyester powder coated of thickness 60 micronns including factory painted after bending and perforation and backed with black glass fiber acoustical flees

Making the opening in Brick masonry including Dismantling in floor or walls by cutting masonry and making good the damages to wall, flooring and jambs complet, to match the existing surface i/c disposal of mulba/rubish to the nearest municipal dumping ground, all complete as per direction of Engineer in charge For Door/ window/clerestory window

Fixed window/Ventilator made of (small series) frame 47 X 50 mm and mullion 47 x 68 mm both having wall thickness of 1.9 ± 0.2 mm single glazing beat of appropriate dimension ( area upto 0.75 sqm)

Wiring for light point/fan point/exhaust fan point/call bell point with 1.5 sqmm FRLS PVC insulated copper conductor single core cable in surface/ recessed medium class PVC conduit, with piano type swith, phenolic laminated sheet, suitable size M.S box and earthing the point with 1.5 Sqmm. FRLS PVC insulated copper conductor single core cable ect.as required. Group A

Group B

Group C

Suppling and fixing suitable size GI box with modular plate and cover in front on surface or in recessed incluing providing and fixing 3 pin 5/6 A modular socket outlet and 5/6 A modular switch, connections ect. As required.

Wiring for circuit/ Submain wiring alongwith earth wire with the following sizes of FRLS PVC insulated copper conductor,single core cable in surface/recessed medium class PVC conduit as required 2 x 2.5 Sqmm + 1 x 2.5 Sqmm earth wire

2 x 4 Sqmm + 1 x 2.5 Sqmm earth wire

Installation, testing commissionig of wal bracket/ceiling fitting of all sizes and shapes containing upto two GLS/CFL/LED lamps per fitting complete with all accessories including connections ect.sa required.

Installation, testing commissionig of ceiling Fan including wiring the down rods of standaed length (upto 30 cm) with 1.5 sq mm FRLS PVC insulated copper conductor single core cable, including providing & fixing phenolic laminated sheet cover on the fan box ect.as required.

Supplying,installation,testing and Commission of the following indoor Recessed Mounted LED Luminaires complete with all accessories such as driver etc. In the flase ceiling type Armstronng /Gypsum or similar ceiling mouting with necessary support and connection with 1.5 sq.mm. P.V.C. insulated S.C.copper conductor as required and as directed by the department Philips lighting luminaire (4000 Lumen 6500K; Recessed LED Panel 595 x 595mm)

Supplying 1200 mm sweep BLDC ceiling Fan i/c all accessories/fittings/supports etc.

Air Handling Units & Treated Fresh Air Unit Supply Installtion, Testing and commissioning of factory built floor mounted double skin type Air Handling Unit with sectionalized, made of extruded Al section frame structure with thermal break profile of 25±2mm thick panels consisting of GI casing of thickness 0.6mm outside layer and 0.6mm plain GI sheet inside layer with polyurethane foam (PUF) insulation of density 40±2Kg/cum factory injected between them by injection moulding machine complete with forward/backward curved blower section, 4/6 row deep chilled water cooling coil section with aluminium finned copper tubes ( tube thickness not less than 0.41mm & 11-13 Fins /Inch). The AHU shall be completed with stainless steel drain pan with19 mm thck clsed cell class- O nitrile insulation,fire retardent canvas connection and necessary vibration isolation arrangement etc. The motor shall be TEFC drive motor(IE2) suitable for 415±10% volts, 50 Hz, 3 phase, A.C. supply. The complete AHU shall cinfirm to specification & face velocity across cooling coil shall be limited to 500 FPM maximum and fan oullet valocity not more than 1870 FPM. The static pressure will be calcualted by HVAC contrctor on basis of final duct layout. Filter :Pre filter 90% efficiency to 10microne Air Handling Unit of capacity 4800 CFM, 40 mmwc SP, 16.0 TR

Valves & Chilled Water Piping Butterfly Valves. Supply, installation, testing and commissioning of of Butterfly Valves of approved make (PN16 rating) complete with C I body, DI disc, nitrile rubber seal and O - ring, mating flanges, gaskets, flow control and accessories require to complete the installation. All chilled water butterfly valves to have an extended stem. The valve shall be insulted with same materials as specified in pipe insulation. 100 mm dia

Y-Stainer Y - STRAINER(PN-16 pressure rating) of Ductile CI Body flanged ends(above 50mm dia) and bronze body(upto 50mm dia) with stainless steel strainer for chilled water circulation including insulation as specified. The Y-Stainer shall be insulted with same materials as specified in pipe insulation. 50 mm Dia

Ball Valves/Gate Valve. Supply, Installation, Testing and commissioning of following set of ball valve with and without Y strainer with bronze body SS Disc, suitable for PN 16 pressure rating for chilled water circulation as specified. The valve shall be insulted with same materials as specified in pipe insulation. 50 mm Dia

15 mm Dia

Auto Air-Vent Supply, installation, testing and commissioning of Auto air vent(PN 16 rating) with isolation valves. 15 mm dia

Chilled Water Piping Supply, installation, testing and commissioning of MS Class-C chilled water piping complete with all accessories such as bends, elbows, flanges, nutbolts, descaling tee, MS channel angle & rod supporting work. Piping supports to have two coats of primer. The Pipes of sizes 150mm & below shall be MS 'C' class as per IS : 1239 and pipes size above 150mm shall be welded black steel pipe heavy class as per IS: 3589, from minimum 6.35mm thick M.S. Sheet for pipes upto 350 mm dia. and from minimum 7mm thick MS sheet for pipes of 400 mm dia and above. 100 mm dia

50 mm dia

Chilled Water Piping Insulation Supply, installation, testing and commissioning of Insulation of Chilled Water Pipe with Class -O, GC cloth pasted nitrile rubber insulation having density 40-60 Kg/M³ including pipes, bends, valves, flanges etc. as per specifications. Exposed pipe shall be covered with 24G Aluminum cladding instead of GC cloth. Thickness of the pipe insulation shall be as specified. 100 mm with 38 mm insulation

50 mm with 38 mm insulation

PICV Valve with Actuator Supply, Installation, testing and commissioning of Pressure Independent Balancing cum Control Valve (PIBCV) which shall be 2 way combined valve of PN 16 rating for flow limitation, controlling flow & controlling Delta P. Valve body upto 50mm shall be brass and cast iron above 50mm.Valve should be equipped with electronic modulating actuator for AHU which can accept either "4(0)-20 mA / 2(0)-10 V DC signals. Operating voltage for actuator shall be 24 V AC. The actuator should be connected to proportionate thermostat. Controller should ensure 100% control valve authority always at all load conditions (part load and full load).Stepless balancing adjustments shall be in valve and control adjustments in actuator. The differential pressure function shall be a diaphragm and shall be out of the main flow to avoid valve blockages and other services issue. Valve along with actuator and cold thermostat shall offer logarithmic control characteristics complete as per specification. The flow rates of chilled water are as below : 50 mm Dia

Test Point Supply, installation, testing and commissioning of Test point with isolation valve.

Air Distribution System GI Duct Supply, Febrication & Fixing of 120 GSM GS sheet metal rectangular ducting as per IS 655/SMACNA complete with turning vanes, companion flanges, support, sealing of all seams with a suitable metal sealant as per drawings. 24 G

Duct Thermal Insulation Supply and Fixing of Duct thermal insulation with following thickness Class-O Nitrile sheet (density 40-60kg/cum)/ XLPE(33±3kg/cum) sheet insulation with factory pasted aluminium foil on one side on the duct using low VOC adhesive. 13 mm thick with aluminium foil if duct passing through airconditioning area.

Duct Thermal and Acoustic insulation Supply and fixing of duct accounstic lining inside the ducts with 12mm thick Class-1 open cell nitrile sheet (density 140-160kg/cum) pasted inside the duct using low VOC ashesive and harnessed with GI NUT Bolt.

Auminium Powder Coated SA Diffuser Supply, Instaaltion, testing and balancing of square shape ceiling diffusers with VCD in extruded aluminium constuction with powder coated finish complete in all respect as per drawings.

Auminium Powder Coated RA Diffuser Supply, Instaaltion, testing and balancing of square shape ceiling diffusers without VCD in extruded aluminium constuction with powder coated finish complete in all respect as per drawings.

Auminium Powder Coated Grill Supply , Installtion, testing and balancing of Linear Discreet / Continious Grill extruded aluminium constuction with powder coated finish complete in all respect as per drawings.

Auminium Powder Coated Door Rain Protectio Louver Supply Installation, testing and commissioning of rain protection louver for fresh air or exhaust air complete with extruded aluminium constuction with powder coated finish complete in all respect as per drawings.

GI Duct / FA Damper Supply Installation, testing and commissioning of Duct/FA Damper of 16G GI constuction and complete in all respect as per drawings.

Motorised Fire Damper Supply ,Fixing,testing and commssiooning of MOTORIZED fire dampers in supply air duct /main branch and reurn air path as and where required with control wiring. The damper shall be motorised and spring return actuator to close the damper in the event of power failure automatically and poen the same incsae of power being restored. The damper shall also be closed in the event of fire signal completeas required and as per specifications and atleast 90 minutes rating as per UL555/1995 TESTED BY CBRI.

Motorised actuator with Controller for above damper.- 10NM

Fire Retardent Canvas Connection Supply, Fixing,testing and commssiooning of 150 mm depth fire retardent canvas connection along with proper nut bolt joint.

Drain Piping Supply,installation,testing and commissioning of CPVC drain pipes density 20Kg/m3 complete with fittigs like elbows, tees, reducers, bends, flanges, supports with 9 mm thick class - O nitrile rubber insulatiions complete with supports as per drawings and specifications of below sizes. 32 mm dia.

Powe Cable POWER CABLE :Supply Installation Testing Comisioning of following sizes of XLPE insulated PVC sheathed Copper conductor armoured cable of 1.1 KV grade on existing cable tray / surface including saddle, clamps etc. complete as required. as per specifications given in the tender. 3C X 2.5 Sqmm Copper Conductor multistrand armoured cable for Air Handling Units.

2C X 1.5 Sqmm Copper Conductor multistrand cable .

Cable Termination with Brass/SS Double Compression Supplying and making end termination with brass/ss double compression glands and aluminium lugs for following size of PVC insulated and PVC sheathed/ XLPE copper conductor cable of 1.1 KV grade as required. Gland for 3C X 2.5 Sqmm

PVC Gland for control cable

Earthing Supply Installation Testing comissioning of GI Earthing along with suitable clamp & acessories for HVAC Equipment . 8 swg GI wire for earthing .

Chattra Kumar Das (BID ID -236916)