JNJ Mech Services specialise in all aspects of commercial and industrial water and sewage treatment including:~ design;~ construction;~ installation and; ~ maintenance of treatment plants and facilities. We have extensive experience with:~ Aeration systems for bioreactors and aerobic digesters – both surface aerators and diffused fine and coarse bubble aeration systems; ~ Decanters – suspended designs, mechanically driven or float sensory; ~ UV treatment plants – and associated fixtures and structures; ~ RO (reverse osmosis) plants – containerised / portable and fixed structure; ~ Mechanical Fit-outs – Penstock gates, Mixers, valves, Actuators, Handrails, WAS / RAS Pumps, Piping (design, manufacture & install). ~ Chemical dosing systems and design. ~ Clarifier mixers, scrapers and weirs. ~ Civil structure works – steel fixing, formworks, landscaping. ~ Pulpers, heat exchangers, gas compressors, boilers and much more.