Attachment 3 - Questions and Answers W911N224Q0048.pdf
PDF 89 KB Posted
- Attached to
- Lightning Protection System Services
- Solicitation number
- W911N224Q0048
About this file
This document contains the Questions and Answers related to Solicitation W911N224Q0048 for Lightning Protection System Services. The solicitation is issued by the Department of the Army Materiel Command Contracting Command Redstone Arsenal.
The key details from the Q&A document are: A lift will be required to access the roofs and measure the catenary wire system; an escort will be required during all working hours; there are restrictions on working hours as detailed in paragraph 1.4.2; non-U.S. citizens may be able to access the facility per paragraph 1.4.3; the SOW includes inspection of Surge Protective Devices per NFPA 780 Chapter 8; the facilities have a buried ground loop that connects the lightning protection system components; the inspector can walk on the roofs with proper fall protection; the maximum height of the catenary wire support poles is believed to be 50 feet; and no photography or equipment capable of taking photos is permitted inside the facility.
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Question and Answers
Q1: Will a boom lift be available or will the contractor need to arrange for a lift delivery? A lift is required to access the roofs of the facilities and to measure continuity for the catenary wire system on Building XXXX.
A1: Please see paragraph 4.2.
Q2: Will an escort be required during all working hours?
A2: Yes
Q3: Are there restrictions on working hours or is dawn/dusk acceptable?
A3: Please see paragraph 1.4.2
Q4: Are there provisions to allow non US citizens (support technicians) to access the facility?
A4: Please see paragraph 1.4.3
Q5: Does the SOW include inspection of SPDs per NFPA 780, Chapter 8?
A5: Yes
Q6: For Building XXXX, is there a counterpoise installed that connects the eight lightning protection masts? Is there a separate counterpoise around the base of the building itself? If so, where are these counterpoise connected?
A6: If “counterpoise” is the same as ground loop, then yes. There is a buried ground loop that connects all of the ground wells which the LPS down conductors are all tied to.
Q7: For Building XXXX, is there a counterpoise installed that connects the six catenary wire support masts? Is there a separate counterpoise around the base of the shed? If so, where are these counterpoise connected?
A7: Building XXXX and the paint booth also have a ground loop that connects all the ground wells together. Typically, we test each ground well and then each connection point from the ground well to the LPS and then each connection point on the LPS.
Q8: Can the inspector walk on all roofs to be inspected?
A8: Yes, the inspector can walk on all the roofs. However, proper fall protection must be in place according to
Depot policy
Q9: What is the maximum height of the catenary wire support poles on Building XXXX?
A9: It is believed the maximum height of the catenary support poles is 50 feet.
Q10: Is there any provision for photographic documentation of the inspection?
A10: No, Photography is not permitted in the facility, nor will any equipment capable of taking photography be permitted inside the facility. This includes cameras, cell phones, smart watches, etc.
File details come from the government source that posted it. Updated .