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| 1 | SITC of Dismantling of damaged Chiller unit system insulation & replacement with 19mm nitrile rubber, thermal insulation paint with Providing and fixing 19 mm thick closed-cell nitrile rubber insulation . Proper cutting of insulation to required size.Tight wrapping around pipes ensuring full circumferential contact.Adhesive bonding using approved insulation adhesive.Longitudinal and transverse joints sealed properly.Class Rating : Class O Rating ( BS 476 Part 6) . Temperature Range : -50 to 100 degree celcius |
| 2 | Supply of Rydlyme Dscale Break and specalized cleaner (100 liters). Descaling of condensor, Heat Exchangers and complete pipelines with chemical circulation Isolation of condenser from system, draining and plugging of connected pipelines wherever required. Checking for leakages before starting chemical circulation. Chemical Circulation Process Arrangement of chemical circulation pump, acid-resistant hoses, tanks, valves, and fittings.Preparation of suitable descaling chemical solution approved descaling agent compatible with condenser material such as copper, brass, or SS tubes.Controlled circulation of chemical through condenser tubes for required duration.Continuous monitoring of pH, temperature, and pressure during circulation.Periodic checking of scale removal effectiveness. Inspection of tubes for cleanliness and leak testing. |
| 3 | Rodding of 3 units condensor tubes Opening of condenser end covers and removal of gaskets.Mechanical cleaning/rodding of each tube using suitable nylon/SS brushes or rods.Removal of scale, sludge.High-pressure water jet cleaning if required.Tube inspection using torch/light for blockage and damage.Replacing damaged gaskets . |
| 4 | Servicing of HVAC Radiator FAU,AHU.SAB and EAU with chemical - 16 nos units, Isolation and draining of evaporator/radiator units. FAU-Radiator cooling Coil water type size H*L 2524.5*1291mm Tube size 12.5mm OD, material seamless copper, Fins material & No. of Fins/inch Alluminium, 12fins/inch, Face Area 4.92m2,4Row deep,water quantity req.20m3/h and coil header material MS ventilation floor.AHU- Radiator Cooling Coil type water size H*L 952.5*1800mm all radiator are welded with pipe line after descaling Rewelded. FAU units 6nos.,AHU 10NO. |
| 5 | SITC OF air blower for SAB UNIT Fans two (1W+1S) type of impeller Double Inlet Double width,Centrifugal Type of impeller Backward Curved Capacity of blower 22,500M^3/h impeller Diameter 710mm Fan speed 1200rpm,outlet Velocty 708m/s shaft BKW at 20f\degree and sea level 6.1kw & operation temp 5.4kw Density of Air at 20 degree 1.20kg/mcube and supply of 01No. motor rating is 7.5 kw three phase TEFC.sq.cage induction motor make Crompton/ABB speed 1470 rpm/4pole frame size of motor 132 s. and drive arrangement V-Bely drive. |
| 6 | Replacement of pipe line 4 inches. |
| 7 | Replacement Radiator/Evoprater of AHU I&II NO. Capacity of Each unit is 23,750 mcubic/h over all size 2950x2450x1520mm No. of Fins/inch Alluminium, 12fins/inch, Face Area 2.55 m2, 4 Row deep,water quantity req.7m3/h and coil header material MS.heating coil and cooling coilFin H x Fin L size 1206.5mm*2120mm No. of Section -1 and tube size 12.5mm OD seamless Copper |
| 8 | SITC of Accessories i.e nut bolt,washer etc |
| 9 | Repair of hot water Generator 100kw , control panel.step controller with time delay relay. Please Enable Macros to View BoQ information |
