Page 7 - TransAqua WWTP Project
P. 7
Primary Clarifiers
The upgrade and modernization project consists access galleries to the bioreactor are complete.
of five phases, and it’s now in phases 3, 4 and 5, In the blower building, ventilation, duct and electrical
specifically phase 3A, 3B, 3C and 4A. Phases 1 work in the basement are finished. The backup
(preliminary treatment) and 2 (primary treatment) power generators and five blowers are in place,
are complete. Phase 3A consists of the bioreactor, ready for electrical and mechanical connections.
phase 3B is the blower building, phase 3C is the
secondary clarifier, phase 4A is solid handling, Other work that has been done includes the
phase 4B is the biosolids load-out facility, phase 4C expansion of the secondary clarifier electrical
is the bio filter, and phase 5 is UV disinfection. building, the relocation of a water main, the
construction of secondary clarifier 4 and three
Rice provided a rundown of the work that has been sludge tanks, equipment replacement in secondary
completed to date. clarifiers 1, 2 and 3, the installation of the HVAC
system, two rotary drum thickeners, the polymer
In terms of the bioreactor, 21 of 36 walls are system, domestic water system and piping, and
complete. The slab, service tunnel, effluent supply the mechanical upgrading of three 30-year-old
channel and return channel, and the north and south centrifuges.
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