Blog / Technical guide
How to plan watermaker maintenance in a tight machinery space
Review pump access, membrane pull space, spares and service isolation before approving a marine RO skid.
HOSON WATER editorial ·
Measure a service envelope
Overlay the equipment drawing on the compartment plan and identify the largest item that must pass through each access opening. Include lifting points, floor loading, panel door swing and the full length needed to extract a membrane. Check the path after surrounding pipework and cable trays have been installed. A door that fits the skid may still obstruct service access when adjacent equipment is in place.
Make routine inspection possible at sea
Show operators the places to read pressure, collect samples, replace cartridges and drain or flush the skid. Ask for a sequence that isolates the high-pressure circuit before intervention. List the actual spares required for the agreed voyage profile, including compatible filters, seals and instruments, and verify whether they can be stored safely in the available space.
Keep a repeatable commissioning baseline
Record feed temperature, conductivity, permeate flow, recovery and relevant pressures at acceptance. Use the same measurement points when investigating future performance changes. Ask the supplier to provide normalized trends where applicable. This gives operators a way to distinguish seasonal water changes from a fault that warrants inspection or cleaning.