West Bengal Medical Services Corporation Limited-WBMSCL has published Setting Up Of District Integrated Public Health Laboratory (Diphl) At Academic Building, 5Th Floor At Maharaja Jitendra Narayan Medical College & Hospital, District:- Cooch Behar- Sitc Of Hvac System For Tb Lab, Bacteriology Lab & Extraction Room.. Submission Date for this Tender is 07-12-2023. HVAC Tenders in Coochbehar West Bengal. Bidders can get complete Tender details and download the document.
| Sr No | CorrigendumDate | Corrignedum | CorrigendumType | NewSubmissionDate |
| 1 | 29-Nov-2023 | CORRIGENDUM-I | Date | 07-12-2023 |
| Sl. No. | Item Description |
| 1 | CABINET TYPE CENTRIFUGAL FAN FOR EXHAUST SYSTEM: Supplying, installing, testing and commissioning (including the charges for lifting, shifting, scaffolding & all other charges or accessories etc.)of factory built Floor Mounted double skin type Exhaust Units 2800 CFM made of 48±2mm thick panels with GI outside and inside layer with polyurethane foam (PUF) insulation of density 40±2 kg/m3 factory injected between them by injection moulding machine, complete with blower section with blower DIDW forward/backward curved centrifugal fan of static pressure 85 mmwc (or as per requirement), Thermal Break profile, belt drive motor TEFC type with VFD drive, (Additonal 1no. Motor to be supplied of same specification), suitable for 415 ± 10% volts, 50Hz, 3-phase and canvass connection, necessary vibration isolation arrangement, complete as per specifications. (Make-Elta/Edgetech/VTS/Kruger/Marathon/Green Heck/FanAir/Crystal/Waves). (Motor make - Siemens/krilosker/ABB/Bharat Bijlee). (VFD Make - ABB/Siemens). |
| 2 | AIR CIRCULATION & FRESH AIR SYSTEM: Supplying, installing, testing and commissioning (including the charges for lifting, shifting, scaffolding & all other charges or accessories etc.) of 2450 CFM factory built vertical Floor Mounted double skin TFA type air handling units made of 48±2mm thick panels made of thickness 0.6mm GI outside and inside layer with polyurethane foam (PUF) insulation of density 40±2 kg/m3 factory injected between them by injection moulding machine, complete with blower section with blower DIDW type forward/backward curved centrifugal fan of static pressure 85 mmwc (or as per requirement), 6/8 row deep with minimum 13 FPI, equipped with 10 micron Pre Filter, & Fine Filter with volume control damper at Inlet & Outlet and cowl with bird SS bird screen, aluminium finned copper tubes (tube thickness not less than 0.5mm), Thermal Break profile, belt drive package with TEFC type VFD drive motor (Additonal 1no. Motor to be supplied of same specification), include suitable VFD, suitable for 415 ± 10% volts, 50Hz, 3 phase, A.C supply ,drain connections, stainless steel drain pan with 19mm insulation, mixing box, and canvass connection , necessary vibration isolation arrangement. It Should be consist with SITC of 1no. Condensing unit 3 nos. minimum 8.5 TR Capacity with Refrugerants R-407C/ R-410A/ R-32. (Out of 3 ODU"s at a time 2 nos working and 1no is standby by sequencial timer / PLC). (TFA Make-Zeco/Edgetech/Crystal/Waves). (Condensing Unit make- Bluestar/Hitachi/Carrier/Voltas/Daikin). (Motor make - Siemens/krilosker/ABB/Bharat Bijlee). (VFD Make - ABB/Siemens). |
| 3 | SITC of MERV-17 0.3 Micron Terminal Hepa Filter (non mini plate type), it will be fitted on Terminal of ducting of Exhust System. (Make: Cadiilac/Spectrum/ AFI/System Air) |
| 4 | Supply and fixing of Heater Bank as per requirement with aerostate, thirostate,with panle. |
| 5 | Copper refrigeration pipe line for liquid and suctionline with hard drawn copper piping with hanging supports & arrangements. |
| 6 | Cu.HD Pipes Gas line dia 15.9 mm with 13mm thick nitrile insulation class "O". Cu. Pipe Make- Rajco/Mandev/Universal). Insulation Make - (K-Flex/A-Flex/Arma Flex). |
| 7 | Cu.HD Pipes Gas line dia 28.6 mm with 13mm thick nitrile insulation class "O". Cu. Pipe Make- Rajco/Mandev/Universal). Insulation Make - (K-Flex/A-Flex/Arma Flex). |
| 8 | Supply and fixing of necessary electrical arrangements of Air Conditioning Units, PVC insulated FRLS grade Copper cable for connection betweeen indoor and outdoor units, 1.1 KV grade. |
| 9 | 7 core x 1.5 mm² (Make- Approved by EIC). |
| 10 | 4 core x 2.5 mm² (Make- Approved by EIC). |
| 11 | Supply & fixingof dia PVC drain pipes with all necessary fittings and hanging arrangements & 6mm nitrile rubber insulutaion class"O". (PVC pipe make - Supreme/Astral/Ashirwad). Insulation Make - (K-Flex/A-Flex/Arma Flex). |
| 12 | Dia 32mm |
| 13 | Dia 40mm |
| 14 | SITC of Site / Factory Fabricated Smart Pre-Insulated PIR/PUR Flat Oval or Square Ducting System complete with both sides embossed Aluminium foil of 80-80 Micron (Anti microbial, Anti fungal, anti rusting, Low Thermal Conductivity-0.019 W/mK, Air pressure withstand capacity= 2000Pa, Fire Propagation-BS476, Part-6, Class-0) type 20mm PIR Panel including with suitable TSIP20/ TSIA20 flange permits the Duct to joined with extremely low leakage, TSTA20 Tee connector flange, TSUA20- U profile, TSFA20- F profile, TSCA20-Chair profile, TSHBOO- H Bayonet Polymer, TSCP20- Covering angle Polymer, Corner angle, Profile Glue, Paint Glue, Duct Sealant, Self adhesive aluminium tap, Angle, Fastener, supports, dampers etc.as perspecifications & site requirement. (For indoor Ducting, Plenum Box etc.) |
| 15 | SITCofSiteFabricated G.I Sheet Metal SquareAir Duct complete with Angle, Fastner, supports, dampers etc.as perspecifications & site requirement. (for Outdoor Ducting) |
| 16 | For 22 SWG |
| 17 | For 20 SWG |
| 18 | Supply andfixing of accoustic insulation open cell Class"O" 10mm thik NitrileRubberinsulation inside Supply Air duct. |
| 19 | Supply andfixing of thermal insulation closed cell Class"O" 13mm thk NitrileRubberinsulation with AI Foil Faced Outside Supply Air duct. |
| 20 | Supplying and errection of thermal insulation on Outdoor Duct with 50mm thick TF quality expanded polysterene slab with suitable adhessive incl. S/F of checken mase wire,with 20mm plaster, neat cememting & scapholding. |
| 21 | Supply & Fixing of Air Diffuser With VCD. (Duct Bottom Surface Mounted) |
| 22 | Supply & Fixing of Fusiable Link Fire Damper, Galvanized Steel Sheet with 125 GSM Zink Coated, Certified by CBRI (U-555, 1995), with minimum fire rating not less than 120 min, must be Fusiable Link Spring with 74°C Temerature rating. |
| 23 | Providing and fixing fire retardantnonporous doublelayer flexibleconnectionbetween IDU, Exhaust, TFA units and duct. |
| 24 | SITC of heavy duty anti vibrational pad to protect the system from any kind of unwanted vibration. |
| 25 | Topping of Refrigerant as per site requirement. |
| 26 | Febrication of iron Bracket/ platform which consist 75*40*5 mm "C" channel main support,50*50*6 mm iron angle for main frame & cross angle support from wall to structure, 25*25*5mm iron angle forsafty guarding fram, 25*25*6mm iron angle for making 450mm wide both side platform of out door unit for future maintenance work, it should have the facility to install the Exhaust Unit at middle of the bracket and sufficent space should be maintained both side of the outdoor unit for maintenance workalso havesuitable angle support between wall & bracket and painting the sameincl. drilling holes in each Angle including cutting holes into the wall & grouting the same with (1:1 ½ :3) cement concrete etc. and painting- the drawing of the same will be approved by the EIC. (PWD/SOR Page: 99 Item:1 ) |
| 27 | Febrication of iron Bracket/ platform which consist of five nos. 10x50 mm "C" channel as main support,65*65*6 mm iron angle for main frame & cross angle support from wall to structure, 25*25*5mm iron angle for safty guarding fram, 25*25*6mm iron angle for making 450mm wide both side platform of out door unit for future maintenance work, it should have the facility to install the TFA & Refrigerant Units at middle of the bracket and sufficent space should be maintained both side of the outdoor unit for maintenance workalso havesuitable angle support between wall & bracket and painting the sameincl. drilling holes in each Angle including cutting holes into the wall & grouting the same with (1:1 ½ :3) cement concrete etc. and painting- the drawing of the same will be approved by the EIC. (PWD/SOR Page: 99 Item:1 ) |
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