Questions_Terra_Cotta_II.pdf

Terra Cotta Repair & Restoration

47PF0019R0055

G.W.Heaney Federal Building & U.S. Courthouse

1. Scaffolding needs to be down by which completion?

a. Mobilization and demobilization are for the contractor to determine. The preference is for demobilization to occur at contract completion of each phase, particularly for parking areas. Contractor shall provide documented justification of substantial cost savings by not demobilizing and plan for building operations that would be disrupted as a result of not demobilizing for GSA consideration.

2. Between 2020 season and 2021 season will the contractor be permitted to maintain the onsite staging area, or will the contractor be required to demobilize all equipment, materials and supplies from the jobsite 100% and then remobilize for the 2021 season?

(There is great expense in mobilizing and demobilizing the project. Response to the is question will affect costs significantly.)

a. Mobilization and demobilization are for the contractor to determine. The preference is for demobilization to occur at contract completion of each phase, particularly for parking areas. Contractor shall provide documented justification of

3. If the onsite staging area can be maintained between seasons/phases, is the contractor permitted to leave portions of scaffold erected between phases if that scaffold will have use in both phases of the project?

a. Mobilization and demobilization are for the contractor to determine. The preference is for demobilization to occur at contract completion of each phase, particularly for parking areas. Contractor shall provide documented justification of

4. What are the approximate anticipated construction NTP dates for each phase in 2020 and 2021? What dates will the contractor be permitted to mobilize to site for each phase in 2020 and 2021?

a. Approximate start dates are May 1, 2020 and May 1, 2021. Contractor is permitted to mobilize once full, onsite notice to proceed is issued by the contracting officer for each phase.

5. Is it permitted to leave any portion of scaffold erected between 2020 season and 2021 season if it would be used in both seasons?

a. Mobilization and demobilization are for the contractor to determine. The preference is for demobilization to occur at contract completion of each phase, particularly for parking areas. Contractor shall provide documented justification of

6. If large scale reconstruction of the brick assembly shaded in gray on detail 3/A601 is required on portions or all of particular elevations there will be an impact to the existing roof flashing and possible complications with the roof substrate. Please clarify what provisions the contractor should include in the base bid to maintain and restore the roof and flashings during and after reconstruction?

a. Metal flashing is scheduled for replacement. Masonry below metal flashing is believed to be reasonably sound. Provisions for maintaining and restoring the roof and flashings are not required as part of the base bid.

7. Is 220V power available at any location on the roof for an electrical connection during construction?

a. 220V power is not available at any location on the roof.

8. What are locations and size of panels/breakers available for connection of temporary power around the structure?

a. Power is located in the penthouse. GSA does not have size of panels/breakers available at this time. Contractor shall plan for temporary power.

9. Where are locations for connection to water?

a. Domestic water is available on the 4th floor. There is a fire sprinkler riser on the roof.

10. RFP Agreement page 3, paragraph I.D. states to refer to specification section 1.11 for Work Conditions and Site Requirements. Please clarify which specification section to which this refers?

a. Specification section 011400 documents Work Restrictions.

11. If production schedules of new terra cotta units by the manufacturer, of which the contractor has no control, make it impossible to comply with schedule completion requirements in the contract will the contract be extended to accommodate for these lead times? Or will the contractor be held responsible and suffer liquidated damages as well as poor performance review?

a. See GSAR 552.211-13 Time Extensions as incorporated in the RFP.

12. Paragraph II.B Proposal Format states that electronic packages will contain seven (7) PDF files according to the list below. The below list designates six (6) individual files.

Please clarify.

a. Yes, six.

13. Technical proposal past experience requirements state that the GC must possess specific experience in the last 10 years in terra cotta restoration. If the GC has significant masonry restoration experience in the last 10 years but no direct terra cotta experience in the last 10 years, will the masonry restoration experience be considered as equivalent if key persons on the GC team have prior terra cotta experience?

a. The past experience evaluation factors will remain as described in the RFP.

14. What are requirements for temporary fencing that may be required for perimeter control of construction and staging areas? Will chain link fence on welded tube frames with nonpenetrating/ballasted bases be permitted for use?

a. Contractor is required to provide perimeter control of construction and staging areas. chain link fence on welded tube frames with nonpenetrating/ballasted bases is acceptable.

15. Is scrim required for use on temporary fence? If so, please provide spec for the scrim.

a. Scrim is not required.

16. Are there any provisions required to make scaffold around the site anti-climb by installation of plywood or similar material 12’-16' tall on the face of the scaffold?

a. If scaffolding is accessible by public, it must be anti-climb.

17. Warranty referenced in Section 079200 is designated to be a 5-year installer's warranty.

Please clarify that all installer warranty requirements of the specification are either: 1) a maximum of 2 years, or 2) not subject to the performance bond covered by the GC/prime contractor on the contract. It is our experience that surety companies will typically NOT issue bonds for projects with warranties covered by the performance bond for periods greater than 2 years after substantial completion.

a. Specification section 079200 will remain as is.

18. Does the existing main roof have any active warranties? If so, who holds the warranties?

a. No.

19. How old is the existing roof system?

a. The roof was replaced in 1990.