Amendment_QAs.pdf

Question 1: Can NIST provide a drawing of the room showing the required rack and basket tray layout?

Response to Question 1: No. A new space drawing will have to be created as the current Master blueprints do not show the computer room in BLDG 225/A119.

Question 2: Where is the nearest ground bar or building steel that NIST would like us to ground to? Is the I-Beam under the floor acceptable?

Response to Question 2: NIST requires that the electrical work be properly grounded to building ground. There is a grounding grid in the attic (building 225, Fourth floor) that other equipment is normally grounded to.

Question 3: Cable Trough—The cable trough/shave technical specifications that state a 600mm width. What are the linear measurements needed from the subject rack to the wall or other location?

Response to Question 3: Part of the space drawing to be provided in a future amendment.

Technical drawings and dimensions to be included with blueprint update.

Question 4: Is the basket tray/cable trough required for all provided and existing racks in the subject space?

Response to Question 4: Yes. The overhead cable tray will provide pathways for Electrical wiring and Network wiring.

Question 5: It was mentioned that the existing racks in the subject space would be moved and placed in line with, can a schematic or drawing of the room and all racks be provided in order to know the precise final location? Can this drawing or schematic be utilized for the information requested in questions above?

Response to Question 5: See Response to Question 1.

Question 6: Can the exact model number of the requested UPS be provided?

Response to Question 6: SURT15KRMXLT - APC Smart-UPS RT 15kVA RM 208V, LCD, rackmount, 16U.

Question 7: The SOW can be interpreted to include the requirement of a step-down transformer.

Is a step-down transformer needed? (sec. 3, Line item 5)

Response to Question 7: No. A step-down transformer is not required nor desired.

Question 8: The SOW could be interpreted to provide a 15kVA UPS frame populated to 10kW (sec. 3, Line item 5). Is a scalable UPS required?

Response to Question 8: 15KVA is needed since the system requires failover in the event of one

(1) of the UPS Modules failing.

Question 9: During the site visit, others mentioned that rackmount Power Distribution Units (PDUs) would be required for both the provided and existing racks. Can you please provide the model number and quantity of the requested PDUs?

Response to Question 9: Reference: AP7911B | APC NetShelter Switched Rack PDU, 2U, 30A, 208V, 16 C13 outlet. These are not part of this procurement. The receptacles must support the iPDUs referred.

Question 10: If no specific model number of PDU is requested, can you please provide the quantity and type of receptacles needed, including plug type for each PDU?

Response to Question 10: Sixteen (16) IEC 320 C13 Outlets | Unit power cord 12 Ft. NEMA L6-30R Plug: UPS supporting eight (8) L6-30R (2Whips to each existing IT Racks)

Question 11: It was mentioned by others that bonding was required for the subject rack to be provided, is bonding to existing racks required as well?

Response to Question 11: No, “Bayiing” and/or “Baying kit” is not required for the existing IT racks.

Question 12: Is the current electrical infrastructure rated for 208V from the panel - service line 100A? We were not able to verify this at the site visit. If not currently 208V do we need to provide new breaker(s) for the electrical scope? Do we need to run new conduit and wire to new receptacles for the UPS?

Response to Question 12: The electrical service line provides 208V/100Amps. Wiring from the panel to the UPS is required, and a Quick Disconnect Panel is required.

Question 13: Regarding this requirement, Electrical connectivity (WHIPS) for IT Server racks is deployed. Are these whips for the PDUs? Or what equipment do we need to provide WHIPS for? What is the length to the nearest outlet?

Response to Question 13: Whips are for connectivity from the UPS to the PDU in each rack.

Two (2) Whips per IT rack. Total: Eight (8)

Question 14: Completed overhead and rack-level wiring connections.

What type of wiring/plugs? Is it just for the UPS or also the PDUs? What gauges ground?

Options for Receptacle Type Hard Wire 4-wire (2PH+N+G) for SURT15KRMXLT-1TF10K

NEMA L14-30R

NEMA L5-20R

NEMA L6-20R

NEMA L6-30R

Response to Question 14: Requirement of eight (8) L6-30R Connections

Question 15: Will the PDUs be provided or are they on-site currently?

Response to Question 15: The PDUs will be provided by the Government; however, not currently onsite.

Question 16: Is there a loading dock for receiving equipment? Is there material handling equipment/storage for equipment before installation?

Response to Question 16: Yes, there is a loading dock for receiving equipment and there is material handling equipment/storage for equipment before installation.