Attachment 39 - Technical Questions and Answers Volume 3.pdf
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- 36C77623B0043 - EHRM Infrastructure Upgrades - Hines, IL - Solicitation Federal contract opportunity
- Solicitation number
- 36C77623B0043
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This document contains technical questions and answers regarding a solicitation for infrastructure upgrades at the Hines VA Medical Center in Chicago, Illinois. The responses provide clarification on electrical drawings and specifications, identifying locations of existing electrical equipment and details regarding new and existing scope of work. Key details include identifying locations of existing electrical panels and transformers, clarifying whether new equipment is required or existing equipment will be re-fed, and noting drawings will be updated in an addendum to address questions raised.
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Hines VA EHRM Infrastructure Design Solicitation Responses Volume 02 www.specializedeng.com
Date: 08/15/2023
Project Name: VA Hines EHRM Infrastructure Design Project #: 21081.001
Re: Solicitation Responses
Specialized Engineering Solutions is submitting a solicitation response for the EHRM Infrastructure Design Project at the Hines VA in Chicago, IL. Refer to the following information:
1. Drawing B01-EP001_Rev00 Shows existing panel MSB-1-A feeding new UPS-B01-A. However, existing panel MSB- 1-A cannot be located on the drawings. Please identify the location of this existing panel.
Response: Panel MSB-1-A is located in the main electrical room on the second floor of A section (similar configuration to the B section). This wing is a child care area so access is difficult and needs to be coordinated with the VA.
2. Drawing B01-EP001_Rev00 Shows an unmarked existing panel feeding new UPS-MRC. However, this unknown panel cannot be located on the drawings. Please identify both the designation and location of existing panel.
Response: This panel is located in an electrical room across the corridor from the MCR at column lines 112 and D.
3. Drawing B01-EP002_Rev00 shows existing panel MDP-1G-2 feeding new UPS-B01-G. However, MDP-1G-2 cannot be located on the drawings. Please identify the location of this this existing panel.
Response: This panel is shown on B01-ED102G, it is mislabeled MDP-1F (distribution panel tapped off the main switchboard), this will be corrected in an addendum.
4. Drawing B01-EP002_Rev00 shows a dark line between existing MSB-1-G circuit #17 (600A/3P) and existing panel MDP-1G-2 main circuit breaker. Is this a new feed? Please advise to the extent of this re-work.
Response: There is no new work between breaker #17 and panel MDP-1G-2.
5. Drawing B03-EE101_Rev00 shows existing 003-3MD feeding new panel 3-UPS-1. However, existing 003-3MD cannot be located on the drawings. Please identify the location of this existing panel.
Response: Existing panel 3MD is located in engineering storage room 103 based on existing documentation we were provided.
6. Drawing B08-EE600_Rev00 shows existing DB-008-8MA feeding new panel 8-UPS-1. However, existing DB-008- 8MA cannot be located on the drawings. Please identify the location of this existing panel.
Response: The panel is located in the north open work area near the two smaller rooms. The location will be updated in the addendum.
7. Drawing B12-EE500_Rev00 shows existing MSB-12A feeding new panel 12-UPS-2. However, existing MSB-12A
Response: Panel is located in Common Space Electrical Closet 214. Location will be updated in the addendum.
8. Drawing B13-EE500_Rev00 shows existing DP-R feeding new panel 13-UPS-2A. However, existing DP-R cannot be located on the drawings. Please identify the location of this existing panel.
Response: Panel is located in the Electrical Closet 187. Location will be updated in the addendum.
Hines VA EHRM Infrastructure Design Solicitation Responses Volume 02
9. Drawing B16-EE6600_Rev00 shows existing MDP feeding new panel 16-UPS-2. However, existing MDP cannot be
Response: The main electrical panel is located in the basement level mechanical room.
10. Drawing B17-EE600_Rev00 shows existing MSB feeding new panel 17-UPS-2. However, existing MSB cannot be
Response: The main electrical panel is located in the first floor mechanical room.
11. Drawing B18-EE600_Rev00 shows existing DP-1 feeding new panel 18-UPS-3. However, existing DP1 cannot be
Response: The main electrical panel is located in the basement level mechanical room.
12. Drawing B33-EE101_Rev00 shows new panel 33-UPS-1 fed from “60A/3P@”. There is no associated single line diagram showing what is feeding the new panel and subsequently where that power is derived from. Please identify the source power for the new panel and its location.
Response: Keynote #4 directs you to building #7 drawings for connection to distribution in that building.
13. Drawing B45-EE101_Rev00 shows new panel 45-UPS-1 fed from “60A/3P@”. There is no associated single line diagram showing what is feeding the new panel and subsequently where that power is derived from. Please identify the source power for the new panel and its location.
Response: Electrical panels are located in Engineering Electrical 116B. The panel feeder size and breaker should match other TR’s with similar size panels. We will add notes/details on the drawings in the upcoming addendum.
14. Drawing B48-EE600_Rev00 shows new panel 48-UPS-1 fed from “60A/3P@”. There is no associated single line diagram showing what is feeding the new panel and subsequently where that power is derived from. Please identify the source power for the new panel and its location.
Response: Will detail connections in upcoming addendum.
15. Drawing B113-EE600_Rev00 shows an undesignated existing panel feeding (2) new 30KVA transformers. Please identify what existing equipment and its location is feeding these (2) new transformers.
Response: The transformers are to be fed from existing panel NDP located in the 3rd floor penthouse. The one line diagram will be updated with the panel name in the upcoming addendum.
16. Drawing B128-EE500_Rev00 shows existing panel EQDP feeding new transformer TF1. However, existing EQDP
Response: This panel is located in the 2nd floor mechanical room.
17. Drawing B200-EE500_Rev00 shows existing panel DP-CPD-2 feeding (2) new transformers. However, existing DP- CPD-2 cannot be located on the drawings. Please identify the location of this existing panel.
Response: This panel is located in the basement level electrical room C022.
18. Drawing B200-EE501 shows existing panel DP-PD-1 feeding (2) new transformers. However, existing DP-PD-1
Response: This panel is located in the mechanical penthouse.
19. Drawing B205-EE101_Rev00 shows new panel 205-UPS-1 fed from “60A/3P@”. There is no associated single line diagram showing what is feeding the new panel and subsequently where that power is derived from. Please identify the source power for the new panel and its location.
Response: Electrical panels are located in Engineering Electrical 118C. The panel feeder size and breaker should match other TR’s with similar size panels. We will add notes/details on the drawings in the upcoming
20. Drawing B217-EE500_Rev00 shows panel CDP-1 feeding (2) new transformers. However, existing CDP-1 cannot be located on the drawings. Please identify the location of this existing panel.
Response: This panel is located in the second floor electrical room A203.
21. Drawing B220-EE600_Rev00 shows (2) new panels; 220-UPS-1 and 220-UPS-2 being fed from “60A/3P@”. There is no associated single line diagram showing what is feeding these new panel(s) and subsequently where that power is derived from. Please identify the source power for the (2) new panels and its location.
Response: Keynote 3 on sheet B220-EE101A indicates how to connect the panel and sheet B220-ED101 shows panel DP-C1 location.
22. Drawing B221-EE500_Rev00 shows panel 221-MSWB feeding new panel 221_UPS-1. However, existing 221- MSWB cannot be located on the drawings. Please identify the location of this existing panel.
Response: MSWB is located in Engineering Electrical Closet C111.
23. Drawing B228-EE500_Rev00 shows panel DP-1-CHD-1 feeding new panel UPS-B228-B. However, existing DP-1- CHD-1 cannot be located on the drawings. Please identify the location of this existing panel.
Response: The panel is located in the main emergency electrical room: location on the northwest corner near column lines 3 and D.
24. Drawing B228-EE501_Rev00 shows panel DP-GHD-1 feeding new panel UPS-B228-B. However, existing DP-GHD- 1 cannot be located on the drawings. Please identify the location of this existing panel.
Response: The panel is located in the main electrical room location on the northwest corner near column lines 5 and D.
25. There are no catalog/specs for the “XM1” type light fixture. Looks like a battery pack on wall, please confirm catalog/specs for this fixture.
Response: Lithonia ELM6L unity battery light , or equal by Sure-Lites or McPhilben, this will be added in an addendum to the schedule.
26. Drawing B01-EP002_Rev00 existing panel MDP-1G-2 shows new feeders for all branch loads. No feeder conduit and wire size are shown for any loads. Additionally CCT #3, #5 and #6 have no associated loads and locations.
Please clarify the electrical scope of work for this equipment. Are all branch loads existing to remain? Are all branch loads to be provided new?
Response: The only new load on this panel is the new 200 amp breaker and associated feeder below breaker space #6. All other breakers are existing loads.
27. Drawing B113-EE600_Rev00 shows transformer TR1-30 and TR2-30 feeding new ups panels 113-UPS-1 and 113- UPS-2. These (2) transformers cannot be located on the drawings, please identify the location of both these transformers. Additionally, Are TR1-30 and TR2-30 existing to be re-fed? Or are we expected to furnish and install new?
Response: Per keynote #2 on sheet EE600 the transformers are to be installed in the second floor electrical room.
A transformer schedule will be added to the drawings in an upcoming addendum.
28. Drawing B128-EE500_Rev00 shows transformer TF1 feeding new ups panel 128-UPS-1. This transformer cannot be located on the drawings, please identify the location of the transformer. Additionally, is TF1 existing to be re-fed? Or are we expected to furnish and install new?
Response: Per Keynote #6 on EE101B the transformer is to be installed in the second floor electrical room directly above the TR. TR-1 is new, a transformer schedule will be added to the drawings in an upcoming addendum.
29. Drawing B217-EE500_Rev00 shows (2) TR-30 transformers being fed from CDP-1. These transformers cannot be located on the drawings, please identify the location of the transformer. Additionally are these (2) transformers existing to be re-fed? Or are we expected to furnish and install new?
Response: The transformer is to be installed in the main electrical room. Both transformers are new and a transformer schedule will be added to the drawings in an upcoming addendum.
30. Drawing B228-EE500_Rev00 shows UPS-B228-B feeding DP-1-LH1. UPS-B228-B cannot be located on the drawings, please identify the location of the equipment. Additionally, is UPS-B228-B existing to be re-fed? Or are we expected to furnish and install new?
Response: This equipment is mis-tagged but shown in detail 3 on sheet EE100, this will be corrected in an upcoming addendum to match the one line diagram tags.
31. Drawing B228-EE500_Rev00 shows DP-1-LH1 feeding (11) new UPS panels. DP-1-LH1 cannot be located on the drawings, please identify the location of the equipment. Additionally, is DP-1-LH1 existing to be re-fed? Or are we expected to furnish and install new?
Response: This equipment is mis-tagged but shown in detail 3 on sheet EE100, this will be corrected in an
32. Drawing B228-EE501_Rev00 shows UPS-B228-B being fed from DP-1-GHD-1. UPS-B228-B cannot be located on the drawings, please identify the location of the equipment. Additionally, is UPS-B228-B existing to be re-fed? Or are we expected to furnish and install new?
Response: This equipment is mis-tagged but shown in detail 3 on sheet EE100, this will be corrected in an
33. Please show on a plan view drawing the location of the following panels in order to accurately account for the conduit and wire required for new panelboard installations:
a. Drawing #: B01-EP001 Panel #: MSB-1-A
Response: Panel MSB-1-A is located in the main electrical room on the second floor of A section (similar configuration to the B section). This wing is a child care area so access is difficult and needs to be coordinated with the VA.
b. Drawing #: B01-EP001 Panel #: Existing G314-1
Response: This panel is located in an electrical room across the corridor from the MCR at column lines 112 and D.
c. Drawing #: B01-EP002 Panel #: PANEL DP-B01-UPS-F
Response: This panel is supposed to be in the UPS room detailed out in view 3/B01-EP104F, it will be added in an addendum.
d. Drawing #: B01-EP002 Panel #: MDP-1G-2
Response: T This panel is shown on B01-ED102G, it is mislabeled MDP-1F (distribution panel tapped off the main switchboard), this will be corrected in an addendum.
e. Drawing #: B03-EE101 Panel #: 003-3MD
Response: Existing panel 3MD is located in engineering storage room 103 based on existing documentation we were provided.
f. Drawing #: B08-EE600 Panel #: DB-008-8MA
Response: The panel is located in the north open work area near the two smaller rooms. The location will be updated in the addendum.
g. Drawing #: B12-EE500 Panel #: MSB-12A
Response: Panel is located in Common Space Electrical Closet 214. Location will be updated in the
h. Drawing #: B13-EE500 Panel #: DP-R
Response: Panel is located in the Electrical Closet 187. Location will be updated in the addendum.
i. Drawing #: B16-EE600 Panel #: MDP MAIN
Response: The main electrical panel is located in the basement level mechanical room.
j. Drawing #: B17-EE600 Panel #: MDP MAIN
Response: The main electrical panel is located in the first floor mechanical room.
k. Drawing #: B18-EE600 Panel #: DP-1
Response: The main electrical panel is located in the basement level mechanical room.
l. Drawing #: B45-EE101 Panel #: FEEDER TO PANEL 45-UPS-1
Response: Electrical panels are located in Engineering Electrical 116B. The panel feeder size and breaker should match other TR’s with similar size panels. We will add notes/details on the drawings in the upcoming addendum.
m. Drawing #: B48-EE101 Panel #: FEEDER TO PANEL 48-UPS-1
Response: Will detail connections in upcoming addendum.
n. Drawing #: B113-EE600 Panel #: ?70A/3P
Response: The transformers are to be fed from existing panel NDP located in the 3rd floor penthouse.
The one line diagram will be updated with the panel name in the upcoming addendum.
o. Drawing #: B113-EE600 Panel #: TR1-30
Response: The transformers are to be fed from existing panel NDP located in the 3rd floor penthouse.
The one line diagram will be updated with the panel name in the upcoming addendum.
p. Drawing #: B113-EE600 Panel #: TR2-30
Response: The transformers are to be fed from existing panel NDP located in the 3rd floor penthouse.
The one line diagram will be updated with the panel name in the upcoming addendum.
q. Drawing #: B128-EE500 Panel #: EQPD
Response: This panel is located in the 2nd floor mechanical room.
r. Drawing #: B128-EE500 Panel #: TRANSFORMER - TF1 45 KVA
Response: This panel is located in the 2nd floor mechanical room.
s. Drawing #: B200-EE501 Panel #: DP-PD-1
Response: This panel is located in the basement level electrical room C022.
t. Drawing #: B205-EE101 Panel #: FEEDER TO PANEL 205-UPS-1
Response: Electrical panels are located in Engineering Electrical 118C. The panel feeder size and breaker should match other TR’s with similar size panels. We will add notes/details on the drawings in the upcoming addendum.
u. Drawing #: B217-EE500 Panel #: New breaker in CDP-1
Response: This panel is located in the second floor electrical room A203.
v. Drawing #: B217-EE500 Panel #: TR-30
Response: This panel is located in the second floor electrical room A203.
w. Drawing #: B221-EE500 Panel #: 221-MSWB
Response: MSWB is located in Engineering Electrical Closet C111.
x. Drawing #: B228-EE500 Panel #: DP-1-CHD-1
Response: The panel is located in the main electrical room; location on the northwest corner near column lines 5 and D.
y. Drawing #: B228-EE500 Panel #: DP-1-LH1
Response: The panel is located in the main electrical room; location on the northwest corner near column lines 5 and D.
z. Drawing #: B228-EE500 Panel #: DP-1-GHD-1
Response: The panel is located in the main emergency electrical room; location on the northwest corner near column lines 3 and D.
aa. Drawing #: B228-EE500 Panel #: DP-1-LH2
Response: The panel is located in the main emergency electrical room: location on the northwest corner near column lines 3 and D.
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