QUESTIONS_ANSWERS_W912L2-16-B-2001_RPR_Main_Gate_(Valencia_Gate)_16Jun.pdf

QUESTIONS AND ANSWERS

W912L2-16-B-2001 – RPR Main Gate (Valencia Gate)

16Jun16

Q1. Keynotes 1, 9, 10, 11, 13, 14, 15, 16, 17, and 18 on Detail 1/g2.0 are not shown on the Keynote Legend. Please provide the information for the missing Keynotes.

A1. To be provided in the next amendment.

Q2. Keynotes 2, 3, 4, and 5 on the Keynote Legend on Detail 1/g2.0 do not appear to correspond to the Keynotes on the Detail. Is the Keynote Legend correct?

A2. To be provided in the next amendment.

Q3. The Main Security Gate shown on Sheet g2.0 shows a hydraulic operation. The specifications call for a manually operated gate. Which operation is required?

A3. Gate shall be manually operated.

Q4. Keynote 25/c2.0 calls for “Proposed Landscape Boulder”. What is the size, type of stone, and burial depth?

A4. Proposed landscape boulder to be D50=36” with 25-30% of boulder embedded below finish grade.

Q5. Has a contractor performed similar work to this for the government in the past? If available, please provide the incumbent contract number. If you are unable to provide a contract number, is it safe to assume this is a new requirement for the government?

A5. This is a new requirement.

Q6. Dimension “A” is referenced on sheet G2.0 however the dimension is not shown. Please provide the “clear opening” dimension for this gate.

A6. Clear Opening shall be 16’-0” as shown on sheet c3.0.

Q7. Please provide landscaping detail plans and specifications.

A7. There is no landscaping on the project other than demolition of existing landscaping within the project boundary.

Q8. The guard gate is shown on C2.0 but is not shown on the architectural site plan as listed on note 13.

The gate and electrical requirements are also not shown on the Electrical plans. Please clarify the location of the gate on the architectural plan and what the electrical requirements will be.

A8. Gate is shown on sheet g2.0. No electrical is required, it is a manual gate. Gate location is shown on sheet c2.0.

Q9. X1.0 note 27 shows a cmu screenwall that appears to be rounded, is this correct? Please clarify.

A9. Wall is to be reinforced concrete not CMU as noted on shee x1.0. Reinforce wall with #5 vertical rebar at 8” o.c. and #4 horizontals at 8” o.c. Provide 12” thick x 4’wide x 6’-6” long concrete footing reinforced with 4-#5 x cont. reinforcing long dimension with #4 cross reinforcing at 24” o.c.

perpendicular.

Q10. Please provide a specification section for the CMU screenwall.

16Jun16

A10. There are no CMU screen walls.

Q11. What is the finish of the CMU screenwall?

A11. There are no CMU screen walls. Concrete shall be natural formed finish.

Q12. E001 note 21 shows new bollards, please clarify which bollard type/detail is to be used.

A12. Use standard detail 106 Type “A” post barricade on sheet c2.0.

Q13. E001 note 1 (demo plan) shows that the ground mount traffic light is to remain, however it is shown as relocated on the new electrical plan. Please confirm that the existing traffic light is to be relocated.

A13. Traffic light is to be relocated as shown.

Q14. Please provide a specification section for Concrete.

A14. Concrete is specified on sheet c2.0 notes 6 and 12.

Q15. C2.0 note 9 calls to relocate the light pole, please provide a structural detail for the pole base.

A15. To be provided in next amendment.

Q16. Please provide the structural requirements for the CMU columns on the relocated monument sign.

Please include architectural details also.

A16. Detail to be provided in next amendment.

Q17. Please provide dimensions and details for the raised guard islands.

A17. Dimensions are shown on sheet x1.0

Q18. Please provide structural footing details for the proposed canopy columns.

A18. Canopies are pre-engineered structures and therefore the foundations shall be designed by the structure supplier.

Q19. Please provide thickness of the existing pavement.

A19. . Existing pavement thickness is unknown. For proposed pavement section use 3” AC/6” ABC or match existing pavement thickness, whichever is greater.

Q20. Specification Section 010100 Part B. 1. States the Name of the project as “Renovate Base Main Gate XHE162020 as shown on Contract Documents”. Most Specification Sheets and the Plans show it as XHEA162020. Which one is correct?

A20. XHEA162020

Q21. It was noted during the Pre-Bid Site Visit that there is an existing Manhole cover that reads “Communications” north of the sign that is to be relocated per Keynote 17 on the site plan of Sheet c2.0.

The top of the manhole is above the existing asphalt pavement. Is this manhole to remain in place with no modifications?

16Jun16

A21. Communications manhole elevation shall be adjusted to match new grades.

Q22. Detail 1/x1.0 shows a Keynote 12 that calls out an existing shade structure south of the proposed Guard Islands. This was not seen during the Site Visit. Is this really the limits of proposed asphalt removal and replacement?

A22. The keynote 12 to the north is correct. The southern keynote should be 13 – “grading limits”.

Q23. Will the Valencia Rd. Gate remain open during construction? If it is to remain open, please provide a phasing plan.

A23. Gate will be closed for the duration of the construction

Q24. Is there an area that can be used for a Contractor storage yard and temporary field office? If yes, where?

A24. Yes. Parking area east of the main gate will be available for storage and field offices as required.

Q25. Is a 6’ high temporary chain link fence with screen required around the construction area and storage area, if one is provided?

A25. Not required.

Q26. Specification Section 015000 Pat C.c.(5) says to install temporary telephone service to the project. Will cellular phones suffice to delete this requirement?

A26. Cellular Phone will be acceptable.

Q27. What is the invert elevation of the existing storm drain inlet invert and the proposed storm drain inlet?

A27. At Keynote 10 location where existing catch basin is to be replace with storm drain manhole:

Existing 48” invert = 45.55+/- . New 18” invert=48.0 (match existing/new pipe crowns). At Keynote 11 new catch basin location new 18” invert=45.70+/- (provide 1% min. slope in new 18” Dia. X 14 lf RCP).

Q28. What is the existing AC thickness?

A28. Existing pavement thickness is unknown. For proposed pavement section use 3” AC/6” ABC or match existing pavement thickness, whichever is greater.

Q29. What is the proposed AC and ABC thickness?

A29. Existing pavement thickness is unknown. For proposed pavement section use 3” AC/6” ABC or match existing pavement thickness, whichever is greater.

Q30. Is the intent to remove the existing AC, cut the existing base to grade and install the new AC?

A30. The intent is to remove the existing pavement section and AB, ensure the AB thickness meets existing/minimum, and replace and install new AC.

Q31. Can the Contractor use the fire hydrant located behind the West side sidewalk for construction water?

16Jun16

A31. Yes. Must provide county certified backflow prevention device prior to making connection.

Q32. How is the Communication Manhole to be lowered to the new pavement elevation located in the left South bound lane near the 3 removable post barricades?

A32. The contractor shall coordinate with the communication utility to adjust the existing communication manhole to new finish grade per their standards in a traffic area.

Q33. South of the 162nd Fighter Wing sign that has to be relocated there are two water meter boxes and one green irrigation box that will be in the Inbound Truck Inspection Lane asphalt. Are these to be relocated? Or are the items inside of the boxes to be lowered and changed to traffic rated boxes?

A33. Items to be lowered and replaced with traffic rated boxes.

Q34. The Light Pole Detail on Sheet e001 says to “See Structural Details for Additional Information” and to “See Structural Calculations for More Information”. There are no Structural Drawings in the set.

Please provide the missing information.

A34. To be provided in next amendment.

Q35. Is there a soils report for this project?

A35. There is no Soils Report for the project.

Q36. Specification Section 321216 Pat 1.1 B Lists Sections 31200 and 321373 as related requirements.

These Sections are not in the Specifications. Please provide these Sections.

A36. Delete References to those sections.

Q37. Grading and Paving Keynote #2 on Sheet c2.0 says to match or exceed the new pavement section to the existing pavement section. This information is not on the drawings. Please provide the existing pavement section.

A37. Existing pavement thickness is unknown. For proposed pavement section use 3” AC/6” ABC or match existing pavement thickness, whichever is greater.

Q38. General Construction Note #24/c1.0 instructs to “Comply with U.S. EPA stormwater discharge permit in accordance with the report and pollution plans prepared by the Engineer”. Where can the Engineer’s report and pollution plans be found?

A38. Note was included in error, no report is required as the area of disturbance is less than 1.0 acres.

Note has been removed.

Q39. Is the Communications Pull Box shown on Keynote 6/e001 Traffic Rated?

A39. The existing communications manhole is traffic rated.

Q40. Please provide the foundation size below grade and the reinforcing bar size, spacing and grade of rebar for the Security Gate on Sheet g2.0.

A40. Foundations for the gate shall be as designed by the gate manufacturer to meet the load requirements.

16Jun16

Q41. Will asphalt work be required to be certified by the Army Corps of Engineers?

A41. No.

Q42. Sheet g2.0 - Detail 1.5 (A) – Please provide the gate opening dimension.

A42. Gate opening dimension shall be 16’ as shown on sheet c2.0.

Q43. Section 323113 – High Security Gates - 1.0 SCOPE – States that the new barrier arm gate is to be manually operated. Detail 1 on Sheet g2.0 appears to show components normally associated with a hydraulically operated barrier arm gate. Please confirm that the new barrier arm gate is to be manually or hydraulically operated.

A43. Gate is manually operated.