Qand A.pdf
PDF 86 KB Posted
- Attached to
- Services to remove, replace, and upgrades four (4) Motor Control Centers Federal contract opportunity
- Solicitation number
- 191BWC20R00005
About this file
This document contains questions and answers regarding a federal contract opportunity for services to remove, replace, and upgrade four motor control centers at a power plant facility in Falcon Heights, Texas. The contractor will be responsible for removing and replacing four motor control centers, installing two automatic transfer switches, updating the programmable logic controller digital program, installing a new communication system via fiber optic and CATV, and running new electrical feeders according to National Electrical Code standards. The questions provide clarification that the existing programmable logic controllers and industrial human-machine interface software located in the control room need to be updated to integrate and monitor the status of the new motor control centers, rather than establishing separate standalone displays. No award will be made until funds are available for this project solicited by the International Boundary and Water Commission United States-Mexico.
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Other files for this federal contract opportunity
| File | Type | Posted |
|---|---|---|
| PARTIAL_SUBMITTALS ATS 1-8.pdf | ||
| PARTIAL SUBMITTALS D1A (1).pdf | ||
| MCC Phase 1.pdf | ||
| PARTIAL SUBMITTALS N4A_1-19.pdf | ||
| PARTIAL SUBMITTALS PLC CABINET 1-11.pdf | ||
| Partial Submittals D2A.pdf | ||
| QandA 7.16.2020.pdf | ||
| New Equipment required ONE LINE DIAGRAM.pdf | ||
| pic 2.jpg | JPG image | |
| Pic 1.jpg | JPG image | |
| FUTURE GENERAL ONE LINE-O001096-01-02 rev2.pdf | ||
| CURRENT GENERAL ONE LINE 07 2020.pdf | ||
| QandA.pdf | ||
| Att 2 QASP Falcon Motor Control Center.pdf | ||
| Att 1 PWS- Falcon Power Plant Motor Control Center II.pdf | ||
| 191BWC20R0005.pdf | ||
| Att 3 WD 2015-5309 Rev 11.pdf | ||
| Att 4 WD TX2020221 01.03.2020.pdf |
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Text version
1. Section 1.4.C requires us to update the current PLC program.
a. Is this referring to the plant’s master control system PLCs?
There is a total of three PLCs that requires reprogramming, the 480V Switchgear PLC, annunciator PLC and Master PLC
b. What type and software version are these PLCs?
SEL-5033 acSELerator RTAC Software
c. Where do these PLCs physically reside (possibly within Control Room cabinets)?
There are remote I/O with power couplers on the already upgraded existing MCCs, the new MCCs shall come with their corresponding Remote I/O modules and power couplers.
480V Switchgear PLC Location is Electrical and Cable Gallery (Elevation 215) Annunciator PLC Location is control room (Elevation 236) Master PLC Location is Electrical and Cable Gallery (Elevation 215)
d. Are there ports available for integration of the new MCCs into the master control system PLCs?
New power couplers and communications network shall be upgrade
2. Section 2.1.G mentions engineering and design of a master control panel.
a. For clarification: The client is requesting that the master control panel be in the form of a standalone and separate INDUSOFT HMI compatible display visible to the Control Room operator, correct?
No, the existing Indusoft software located at the control room needs to be updated to display the new MCCs status, alarms, oneline and configuration screens for the automatic MTM transfer scheme.
b. Please provide the specific control scheme (diagram) and more detailed requirements of what the plant wants for the master control panel.
Master control panel needs to be able to connect with the MCCs via SEL-2240 Axion remote I/O.
3. Section 2.1.H mentions engineering and design of new 125VDC distribution panels.
c. For clarification: The client is requesting that the 125VDC panel be in the form of a standalone and separate INDUSOFT HMI compatible display visible to the Control Room operator, correct?
No, the existing 125VDC Schneider Electric I-Line panel needs to be updated with new CBs to support the new MCCs, one breaker per MCC.
d. Please provide the specific control scheme (diagram) and more detailed requirements of what the plant wants for the new 125VDC distribution panels or is this for monitoring purposes only?
125VDC Schneider Electric I-Line panel
File details come from the government source that posted it. Updated .