Questions and Answers 6973GH19R00029 Franklin VOR.pdf

Questions and Answers

1. Drawing A001 - Floor Plan Notes 2, 4 & 26 on bottom plan above detail 1/A001 references Doors, closer & Frames. The Plan above utilizes Notes 2 & 26 and appears correct. What are the bottom plan notes 2, 4 and 26 designating?

1. The notes ascribed on sheet A001 are described on sheet A004. Notes 2, 4 & 26 are all indicated on 1/A001, and can be found described on A004.

2. Drawing A001 – Bottom plan above detail 1/A001 references note 18 which designates a “Wall Pocket”. What is this?

1. It is a plastic wall folder, to hold pertinent building documents

3. Drawing A001 - Notes E & H references pipe sleeves in precast shelter walls. Will sleeves be provided with the shelter or will we have to core drill?

1. All conduits penetrating the floor will need to be installed during construction. The contractor is responsible for installing conduits as seen in note E, K on sheet A001. All wall penetrations (Note H) indicated in A001 will be cast into the wall by the precast manufacturer.

4. Drawing A001 - Note K designates 3 PVC conduits for the BUEC & DME Poles plus a spare. Will sleeves be provided by precast supplier or will core drilling be required?

1. The contractor will install the conduits as seen in note K on sheet A001.

5. Drawing A002 - Interior Finish Schedule designates rigid insulation & plywood at interior walls & ceilings. How will the insulation and plywood be installed.

1. The interior finish of the shelter is installed by the precast manufacturer. Detail A/A002 and detail B/A002 indicate this.

6. Drawing A002 - Exterior Finish Schedule - Under roof it states (2) Coats of Clear Thoroglaze Sealer PVC Membrane. Will the PVC be adhered to the Thoroglaze Sealer? Is this acceptable to roof manufacturer?

1. The roof assembly and PVC membrane will be installed by the precast manufacturer.

7. Is there a roof edge Detail?

1. The roof assembly and PVC membrane will be installed by the precast manufacturer. It consists of a PVC membrane roof held down by PVC edge strips, and steel masonry anchors.

8. Detail 1/A002 - Will 2 holes for Mitsubishi piping be installed by precast supplier or be cored in the field.

1. The wall penetrations for the Mitsubishi split systems will be installed by the precast manufacturer. The contractor is responsible for the installation/hookup of the (2) split systems, which comes with the shelter.

9. Detail 1/A003 references detail A005/2. Didn’t note a drawing A005.

1. The section in detail 1/A003 should read, Section 2/A003

10. Drawing C003 Note 19 states that the contractor shall place the precast shelter building on the foundation by crane. What is the approximate weight of the building?

a. 60,000 lbs.

11. Should we exclude hazardous soils handling at the site, either for the foundation work or the removal of the existing septic?

There are no anticipated hazardous soils on the site.

12. Drawing S001 Detail 3 shows the building wall butting the outside edge of the floor. What is the nature of that connection?

The shelter comes with a 9” x 9” galvanized steel plate that slide between the wall section and the floor section of the shelter. It is then screwed with masonry screws (comes with the shelter) to the top of the foundation as seen in detail 3/S001. You can see the plate if you zoom in quite a bit on the PDF.

13. Page 6 of the Tech Specs for the Franklin, VA job (FKN) does state that the existing VOR shelter will be removed. In the drawing’s page 8 note 13 it says: CONTRACTOR SHALL

REMOVE CONCRETE COLLAR, AND ALL OTHER EXCESS DEBRIS FROM THE

SITE. Note 16 says: EXISTING VOR SHELTER SHALL REMAIN.

Will you please verify if the shelter is to be left or removed?

The FKN existing shelter is to remain, but the concrete collar and other construction debris will be removed from the site.

14. The drawings (C002 Note 6) indicate the existing septic tank will be in the new work area and is to be removed. Where is the drain field located? It was not obvious at the site visit, will it need to be removed?

a. The top right corner of C002 indicates a leaching pit. This will not need to be removed. These locations are marked to the best of the FAA’s ability.

15. If so what size is it?

a. See Answer above.

16. The drawings (C003 Note 11) call for us to intercept the existing telco cable and re pull it back into the new shelter during a cutover. Will we need to terminate this in the new shelter or will someone else do the termination inside of the shelter?

a. All telco terminations will be done by the FAA or the local telco company, the contractor is responsible for installing the duct grounding and pull string as seen in 3/C004 as indicated in Note 12 C003. The contractor is responsible for providing and installing the man-hole over top of the existing cable per note 11 C003. The contractor is also responsible for pulling the telco cable into the new FTI box which will be completed under telco supervision.

17. Do we need to obtain a local permit for this work? This is Federal or Federally Leased property, correct?

b. No, the FAA is exempted from local permitting.

18. The drawings (S002 Note 1) indicate installing GFM Antenna mounts but we don’t see an indication to install the antennas on the new poles.

c. The contractor will install the mounts, cabling, poles, grounding, foundation, and conduit. The FAA will install the antennas and complete all termination and testing.

19. Who is to install the antennas?

d. See answer above

20. Drawing C003 Note 19 states that the contractor shall place the precast shelter building on the foundation by crane. What is the approximate weight of the building?

e. 60,000 lbs.

21. Should we exclude hazardous soils handling at the site, either for the foundation work or the removal of the existing septic?

f. Removal the septic tank, and any associated underground conduits shall follow all local and OSHA codes and regulations.

22. Drawing S001 Detail 3 shows the building wall butting the outside edge of the floor. What is the nature of that connection?

g. See detail 3/S001, there is a plate (provided by precast manufacturer) that slides between the wall and the foundation. It mounts to the foundation with masonry screws (provided by precast manufacturer)