Cooling Tower
Routine Service & Maintenance
- Yearly servicing maintenance is provided.
- Scope of work includes inspection, cleaning, and maintenance tasks.
- A service report will be submitted after completion of the works.
Scope of Work
- Hot and cold-water basins will be cleaned and flushed.
- Make-up float valve and strainers will be cleaned and flushed.
- Fan belt cover internal will be cleaned and maintained.
- Fan blade angle will be checked for proper air-flow.
- Fan belts will be re-tensioned and pulleys will be re-aligned.
- Motor bearings and other movable parts will be checked and greased as necessary.
- Fan impeller will be inspected for wear and tear.
- Fan motor running amperes will be checked and measured.
- Infills will be washed and flushed with a low-pressure jet machine.
- Debris stuck at infills/louvers will be cleared, and general flushing of infills and spray fillings will be performed.
- Cooling tower external housing will be flushed and cleaned.
- General inspection of cooling tower parts will be conducted.
- Cold water basin will be refilled.
- Infills and spray filling will be removed for thorough flushing and cleaning, and then re-set to proper position (once a year).
- Internal structures and supports will be flushed to remove clogged dirt and debris (once a year).
- Corroded internal steel structures will be touched up with epoxy paint.
- Pump gaskets will be checked for leaks.
- Pump strainer will be dismantled, cleaned, and reinstalled.
Refurbishment services
Scope of Work
- Dismantling the existing worn-out fan blades assembly and hub.
- Installation of new aluminium/alloy fan blades assembly with the hub.
- Re-alignment, testing, and commissioning.
- Dismantling the existing worn-out fan housing, shaft, upper and lower bearings.
- Installation of new housing, shaft, and bearings.
- Re-alignment.
- Dismantling the existing worn-out fan motor.
- Installation of a new fan motor.
- Re-alignment and test run.
- Dismantling the existing worn-out V-belt.
- Installation of a new V-belt.
- Re-alignment.
- Dismantling the existing worn-out PVC infills.
- Disposal of old infills.
- Supply and installation of new PVC infills.
- Re-line, testing, and commissioning.
- Dismantling the existing worn-out drift eliminator blades and frames.
- Disposal of old frames and blades.
- Installation of new HDG frames with SS 304 bolts and nuts.
- Installation of new drift eliminator blades.
- Flushing and cleaning of all internal structures.
- Application of one coat of primer and one coat of epoxy paint to prolong the lifespan.
- Dismantling the existing worn-out spring isolator.
- Disposal of old isolator.
- Installation of new spring isolators (outer and inner).
- Dismantling the existing power isolator.
- Installation of a new 32A/4p/IP66 isolator.
- New wiring, conduit, and flexible joint.
- Dismantling existing butterfly valves and replacing with new valves.
- Replacement of motorized butterfly valves with actuators.
- Replacement of existing gate valves with new gate valves.
- Replacement of bolts, nuts, and rubber gaskets.
- Isolation of power supply for the pump under repair.
- Shutting off in/out valves and disconnecting electrical wiring.
- Dismantling the existing CWP pump and disposing of it.
- Area cleaning before installing the new pump.
- Supply and installation of new vertical in-line multistage centrifugal pumps.
- Connecting back the pipe connection with new rubber gaskets and HDG bolts & nuts.
- Testing and commissioning.
- Dismantling the existing worn-out flexible joint.
- Installation of a new rubber flexible joint with HDG bolts and nuts.
- Dismantling the existing worn-out and faulty pressure vessel tank.
- Supply, delivery, and installation of new pressure vessel tanks.
- Connection with stainless steel air valve, open valve, and testing.
- Dismantle existing worn-out and badly corroded internal structures.
- Fabricate new HDG structures and apply one coat of primer and two coats of epoxy paint.
- Flush, clean, and wire brush all internal structures, fan support, netting, and fan shaft housing.
- Apply one coat of primer and one coat of epoxy paint.
- Repair the joining at the cold-water basin to basin joining.
- Clean the basin and install capping PVC cutting pipe.
- Re-lay fiberglass, resin, and hardener for strengthening..
- Supply and install new HDG safety railing with SUS 304 bolts and nuts.
- Install a cage ring to the existing external ladder with SUS 304 bolts and nuts.
- Dismantle existing worn-out fan support and netting.
- Replace with locally fabricated hot-dipped galvanized fan support with SS 204 bots and nuts.
- Perform alignment and test run.
- Engaging a Licensed Electrical Worker (LEW) for SLD (Single Line Diagram) endorsement.
- Inspection to turn on the cooling towers and pumps for operation.
- Delivery of new materials, equipment, and necessary items to the site.
- Disposal of unwanted materials off-site.
Frequently Asked Questions
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