responses_to_questions_for_the_Portales_Substation.docx

Questions submitted for the FA4855-16-B-0005 Q: In attachment 1 - Drawings, sheet 00E-02; is not included in the 14 page PDF. Can you clarify if it should be a part of the package or not?

Response: The drawings are not included in the solicitation as they are irrelevant to this part of the project.

Q: Attachment 2 – Specifications, section 26-13-23, Sectionalizing Equipment, pg. 86; refers to a VFI (vacuum fault interrupter), we are unable to locate this item as a part of the project. Can you clarify if this is indeed a requirement or not?

Response: Same as above, the drawings are not included in the solicitation as they are irrelevant to this part of the project.

Q: Attachment 2, pages 83-86 have incorrect part numbers. What is the intent?

Response: SCHWEITZER ENGINEERING SEL-751A Part no.751A51A1A1A0X851630

"FEEDER PROTECTION RELAY

SEL-751A BASIC UNIT INCLUDES VERTICAL CHASSIS, FRONT PANEL, LARGE LCD DISPLAY, 4 PROGRAMMABLE PUSHBUTTONS WITH 8 LEDS, 8 TARGET LEDS WITH 6 BEING PROGRAMMABLE, OPERATOR CONTROL INTERFACE, EIA-232 PORT, PROCESSOR AND COMMUNICATIONS CARDS, EIA-232 PORT, IRIG-B TIME CODE INPUT, POWER SUPPLY CARD WITH 2 DIGITAL INPUTS AND 3 DIGITAL OUTPUTS, ACSELERATOR QUICKSET SEL-5030 SOFTWARE, PROTOCOLS INCLUDE MODBUS RTU, SEL ASCII AND COMPRESSED ASCII, SEL FAST METER, FAST OPERATE, FAST SER, SEL FAST MESSAGE, YMODEM FILE TRANSFER, SEL MIRRORED BITS COMMUNICATIONS, AND EVENT MESSENGER, IA IB IC IN CURRENT INPUTS CARD, SYNCHROPHASORS WITH IEEE C37.118 PROTOCOL, BREAKER MONITORING, 3 EXPANSION SLOTS FOR OPTIONAL CARDS THIS SPECIFIC UNIT SHALL INCLUDE STANDARD FIRMWARE WITH CONFIGURABLE LABELS, I/O OPTION IN SLOT A IS 110-250VDC OR 110-240VAC POWER SUPPLY, 50/60HZ, AND 125VDC/VAC DIGITAL INPUT, PROCESSOR BOARD OPTION IN SLOT B INCLUDES EIA-232 FRONT, IRIG-B, FIBER OPTIC SERIAL MULTIMODE ST, SEL ASCII, COMPRESSED ASCII, FAST METER, FAST OPERATE, FAST MESSAGE, MIRRORED BITS, AND MODBUS RTU, ETHERNET/REAR SERIAL OPTIONS IN SLOT B INCLUDE DUAL 10/100BASE-T ETHERNET AND EIA-232 REAR, SLOT B PROTOCOLS INCLUDE STANDARD PLUS DNP3 PLUS IEC 61850, I/O CARD OPTION IN SLOT C IS 4 DIGITAL INPUTS AND 4 DIGITAL OUTPUTS WITH 125VDC/VAC DIGIT INPUTS AND ELECTROMECHANICAL DIGITAL OUTPUTS, I/O CARD OPTION IN SLOT D IS EMPTY, I/O CARD OPTION IN SLOT E IS 3 PHASE AC VOLTAGE, VSYNC, VBAT INPUT AT 300VAC MAXIMUM WITH MONITORING PACKAGE, I/O CARD OPTION IN SLOT Z IS 4 AC CURRENT INPUT WITH 5 AMP PHASE AND NEUTRAL, NO CONFORMAL COAT

SCHWEITZER ENGINEERING SEL 735

Part no 0735VX00944BXXXXXX16101X9 X

POWER QUALITY AND REVENUE METER FORM 9 METER, BASIC PQ AND RECORDING POWER QUALITY AND RECORDING OPTION, COMMUNICATIONS PROTOCOL INLCUDES SEL ASCII, SEL DISTRIBUTED PORT SWITCH PROTOCOL, SEL FAST METER, SEL COMPRESSED ASCII, MV-90 TRANSLATION, MODBUS RTU/TCP, MIRRORED BITS COMMUNICATIONS, TELNET, DNP3 LEVEL 2 SLAVE SERIAL AND LAN/WAN, ANSI FRONT PANEL LABELING, 60HZ SYSTEM FREQUENCY, SLOT A HAS 24/48VDC POWER SUPPLY, 3 CONTACT OUTPUTS AND 2 INPUTS, SLOT A HAS 125/250 VDC OR VAC POWER SUPPLY CONTROL VOLTAGE, SLOT B HAS TWO EIA-232 MAIN BOARD COMMUNICATIONS PORTS, SLOT C IS EMPTY, SLOT D IS EMPTY, SLOT D IS EMPTY, SLOT Z HAS CURRENT CLASS CL2/10/20 OPTIMIZED FOR LOW END ACCURACY, NO ENCLOSURE, VERTICAL PANEL MOUNT WITH ANSI OPTICAL PORT, NO CONFORMAL COAT

Q: Attachment 2 – Specifications list the new SEL units, but we are unable to locate integration requirements with existing base systems. Can you clarify to what extent the contractor will be integrating this substation with the existing base systems?

Response: Have not yet received clarification from the Project Manager.

Q: As a follow up to question #3 above, can you clarify the requirement for acceptance testing of the new SEL’s?

Response: Have not yet received clarification from the Project Manager.