Bradenton_WRF_-_Main_Feeds_R1.pdf
PDF 109 KB Posted
- Solicitation number
- 26-019NT
- Issued by
- Manatee County, Florida
About this file
Summary: Bradenton Water Reclamation Facility Electrical Infrastructure Document
This file is a technical schematic document detailing the electrical infrastructure and main feeds at the City of Bradenton's Water Reclamation Facility (WRF) located in Bradenton, Florida. The document provides a comprehensive inventory of the facility's electrical distribution system, which is fed directly from Florida Power and Light through a 480V transformer onsite, with additional offsite facilities at Mixon and Tropicana similarly configured. The WRF contains multiple motor control centers (MCCs) and subpanels distributed across various operational areas including the generator building, sludge pumping station, digester, clarifier, chemical building, maintenance building, operations building, blower building, and filter lift buildings. The facility operates with three generator automatic transfer switches (ATSs) and includes numerous VFD/ASD-controlled pumps throughout the system. The main MCCs—designated M2, M1, 3, 4, and 6—each contain multiple main feeder breakers, feeds to subpanels, connections to various pumps and motors, and 120V transformers for control power. The Mixon and Tropicana facilities maintain separate MCCs (A and B at Mixon; P at Tropicana) with dedicated feeder breakers and pump connections.
This document serves as supporting technical documentation for the City of Bradenton's concurrent Request for Qualifications to select an engineering firm to conduct a comprehensive Electrical Capacity and Emergency Power Evaluation of the WRF. The schematic provides the baseline electrical system configuration that proposing firms must assess, including evaluation of existing electrical loads, available capacity, switchgear conditions, arc flash hazards, and recommendations for system reconfiguration and power monitoring improvements. The RFQ requires proposal submission by March 5, 2026, at 2:30 pm, with a pre-proposal meeting scheduled for February 11, 2026, at 10:00 am, and selection of qualified proposers through presentations on March 24, 2026, with award notice on March 25, 2026. No specific contract value, pricing structure, or set-aside designations are identified in the procurement announcement.
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Text version
Bradenton Water Reclamation Facility (WRF) is directly fed from Florida Power and Light through a 480V transformer onsite. Mixon and Tropicana, located offsite, are fed similarly.
All MCCs and noted subpanels are 480V.
All breakers are believed to be molded case circuit breakers with various configurations (relays, contactors, etc)
Many of the pumps are VFD/ASD controlled.
FPL Feed
WRF
ATS for Generator #1
MCC "M2"
Generator Bldg
MCC "A"
Sludge Pumping Sta
MCC "MB"
Digester
"MDP1" Panel New Clarifier
Sludge Handling Panel
Chemical Bldg Panel
Maint Bldg Panel
Operations Bldg Panel
ATS for Generator #2
MCC "M1"
Blower Bldg
Panel 2017 Air Compressor
ATS for Generator #3
MCC "3"
Filter Lift Bldg
MCC "4"
Filter Lift Bldg
MCC "6"
Headworks
Panel PP1
FPL Feed Mixon
MCC "A" MCC "B"
FPL Feed Tropicana
MCC "P"
WRF - MCC “M2”
1 main feeder breaker (line side of ATS) 1 generator automatic transfer switch (this board only) 2 feeds to other 480V MCCs o MCC “A” – main feeder breaker, 6 pumps and air conditioner, 1 120V xfmr o MCC “MB” – main feeder breaker, 5 pumps and fans, 1 120V xfmr
5 feeds to other 480V subpanels o Panel “MDP1” – covered by upgrade project o Sludge Handling Panel – main feeder breaker, 8 pumps and control panels, 1 120V xfmr o Chemical Bldg Panel – o Maint Bldg Panel – main, 8 hoists heaters and air handler, 120V xfmr o Operations Bldg Panel –
1 feed to 120V xfmr 11 feeds to various pumps, motors, blowers
WRF - MCC “M1” (Blower Bldg)
1 generator automatic transfer switch (this board only) 1 feed to a 480V subpanel o Panel 2017 – air conditioner, air compressor 18 feeds to various pumps, motors, blowers
1 feed to control power
WRF - MCC “3”
1 main feeder breaker (load side of ATS) 7 feeds to various pumps, motors, blowers 1 tie-breaker to MCC “4”
WRF - MCC “4”
1 generator automatic transfer switch for bds MCC “3” / MCC “4” / MCC “6” 1 main feeder breaker (load side of ATS) 2 feeds to various pumps, motors, blowers
WRF - MCC “6”
1 main feeder breaker (load side of ATS) 12 feeds to pumps or ASD filters 1 feed to a 480V subpanel
Mixon – MCC “A” 1 main feeder breaker 3 feeds to pumps
Mixon – MCC “B”
3 feeds to pumps
Tropicana – MCC “P”
1 120V xfmr 5 feeds to pumps and air compressor
File details come from the government source that posted it. Updated .