Membrane Diffusers

The City of Phoenix is seeking bids for the supply of membrane diffusers for use at the 23rd Avenue and 91st Avenue Wastewater Treatment Plants. The contractor will be required to provide all necessary equipment, labor, and materials for the delivery and installation of the membrane diffusers. The contract term will be for five years, with no options to extend. The City reserves the right to add, change, or delete items, locations, brands, and/or manufacturers as required. • The contractor must provide Sanitaire Silver Series II Membrane Fine Bubble Disc Diffusers and Sanitaire Silver Services LP 2261-lp9 membrane diffusers. • The contractor must provide associated hardware, including mounting brackets, gaskets, grease, and seal, connectors, couplings, and adapters compatible with existing piping. • The contractor must provide manufacturer installation instructions and technical documentation. • The contractor must provide a standard warranty of at least five years covering defects in materials and workmanship.