Portable davit cranes from Thern Inc. provide water and wastewater facility operators with versatile solutions for raising and lowering submersible pumps, mixers, trash baskets and UV panels. Recently a treatment plant operator needed to lift pumps out of aeration tanks during maintenance. Thern portable davits provided an economical solution with a durable stainless steel finish and multiple pedestal and wall mount bases to accommodate customer installation requirements and facilitate portability.