Atch_14_-_RFI_responses_30_Jul_19.pdf

Attachment 14 to

FA466419BA004

(Amendment 0003, 30 July 2019)

Design/Build Global ASNT Building 470

Request for Information Responses dated 30 JULY 2019

1. Is it necessary to install the new coolant lines for the new HVAC unit in conduit in the equipment yard area?

Answer: Install the pipes as similar to the existing system. As minimum provide cellular insulation and corrosion resistant sheet metal jacket.

2. For ease of transport is it acceptable to fabricate the steel antenna platform in two pieces which are connected with stainless steel bolts during installation as long as the structural calculations support the connection details?

Answer: Yes, the proposal is acceptable.

3. Since the concrete support slab for the antenna platform is substantially covered by the steel platform can it be poured level or is it required to slope for drainage?

Answer: Yes, the concrete needs to be slopped for drainage. Also isolated footage is acceptable under each support leg.

4. Can the 2” and 1” conduits for the convenience outlet, lighting and cameras at the antenna platform be run in the same trench as the 6” conduit for the antenna? If so what is the separation required?

Answer: 6 inch, minimum, between the conduits outer surfaces (The antenna conduit and any other conduit.

5. Is EMT type conduit acceptable for all work inside the building?

Answer: EMT is not acceptable for inside the building. IRC (intermediate metal conduit) is the minimum.

6. Is EMT type conduit acceptable for the metal conduit to be installed on the exterior wall of the building?

Answer: EMT is not acceptable for outside installations. GRC (galvanized rigid conduits) is the minimum.

7. Is it necessary to install a pull rope in the 6” conduit?

Answer: Yes

Attachment 14 to

(Amendment 0003, 30 July 2019)

8. Please define specific grounding requirements that are called out in section 1.25-7 per

UFC3-501. Does this refer to “ground rods”?

Answer: Yes, it does refer to the grounding rod.

9. Section 1.25-9 requires that receptacles do not block the antenna signal path range.

Please identify the location of the receptacles.

Answer: This is a design-build project. We have provided you with all the information that we received from the users.

10. Please provide information indicating how the power is to tie into the existing systems of back up power and generator per section 1.29-3. Please include the location of the emergency panel and connection details.

Answer: This is a design-build project. We have provided the as-built drawings at Federal Business Opportunity website.

11. Please provide the information of the soil type as it relates the grounding requirement of section 1.29-3.

Answer: Soil characteristics changes from place to place. Contractor to conduct the soil test to support his calculations.