Aeration Coarse Bubble Improvements, Corpus Christi, TX

This project includes: a. Dewatering of the East and West Trains as indicated in the Contract Documents  b. Grit removal and cleaning of MLSS, RAS/WAS and Clarifier 1-8 Effluent channels as indicated in the Contract Documents  c. Partial demolition of existing MLSS, RAS/WAS, Clarifiers 1-8 Effluent channels coarse bubble aeration system (air drops, piping and valves), and miscellaneous equipment, as detailed in the drawings, including the removal and disposal of existing equipment  d. Demolition of existing butterfly valves in outer MLSS channels, existing chlorinators at various locations, divider wall connecting inner and outer MLSS channel, channel grating/walkways, Contact Chamber influent slide gates and  e. Installation of MLSS, RAS/WAS and Clarifier 1-8 Effluent coarse bubble aeration system channel diffusers and associated valves, air piping and supports.  f. Abandoning, filling, and capping of outer MLSS channels as indicated in Contract Documents  g. Plugging ports in outer MLSS channel wall as indicated in Contract Documents  h. Installation of two chlorine mixers, four mixer support structures, and modification of a chlorine diffuser as indicated in Contract Documents  i. Installation of new grating, and supports along channels as indicated in Contract Documents  j. Installation of Chlorine Contact Chambers 1-4 influent slide gates k. Installation of guide frames for stop logs in the MLSS and RAS/WAS Channels as indicated in Contract Documents  l. Modification of existing 48-in Influent Line at Aeration tank No. 1 and No. 3 as indicated in Contract Documents  m. All electrical, instrumentation and controls work associated with ECR-5 automatic switchover to emergency generator operations and back to site utility power as indicated in Contract Documents n. All other civil, yard piping, mechanical and electrical work included in the Contract Documents  o. Training of OWNER personnel. p. Commissioning.  DBE Goals & GFE.