Specifications include, but are not limited to: Work Included: 1. Demolition and removal of existing aeration diffusers and headers in Aeration Tank #1 and Reaeration Tank. 2. Installation of new aeration diffusers and headers supplied by Owner. 3. Removal and replacement of damaged supports as necessary 4. Testing of all new equipment for proper operation and performance. B. Related Work Specified Elsewhere: 1. Construction Schedules: Section 01310. C. Removals, Relocations and Rearrangements 1. Examine the existing site for the work of all trades which will influence the cost of the work under the general bid. This work shall include removals, relocations and rearrangements which may interfere with, disturb or complicate the performance of the work under the general bid involving systems, equipment and related service lines, which shall continue to be utilized as part of the finished project. The Contractor is responsible for all coordination in this regard. 2. Provide in the general bid a sufficient amount to include all removals, relocations, rearrangements and reconnections herein specified, necessary or required to provide approved operation and coordination of the combined new and existing systems and equipment.