Tank Removal Questions and Responses Amended.pdf

Tank Removal Questions and Answers

Question 1: What is the GVW limit for the entrance driveway bridge to the job site off of Beach Dr.?

Heavy equipment and loaded dump trucks will need to cross to access site and perform the work.

Response: Working with National Park Service (NPS) for response. Information will be provided once contract is awarded. NPS asked for anticipated vehicle configuration (axle spacing) and axle loads to better assist in answering RFI.

Question 2: Is it the intent to have the contractor remove the remaining fuel from the tank or will owner remove? If it is contractors’ responsibility, how many gallons for removal should be included in the bid?

Response: Yes, it is the contractor’s responsibility to remove all remaining fuel from the underground storage tank. Approximately 4,500 gallons remain in tank.

Question 3: The 4200 gallons of gasoline is assumed to be hauled away and disposed of or recycled by the contractor. Please confirm.

Response: Yes. It is the responsibility of the contractor to remove and properly dispose of/recycle all remaining fuel in under storage tank. Approximately 4,500 gallons remain in tank.

Question 4: What is the load rating for the bridge entering the property? To perform this work an excavator loaded on a trailer weighs around 90,000 which would be delivered back to the site. Also roll off trucks and dump trucks weighing up to 80,000 lbs would be entering as well. Please confirm the limits of the bridge.

Response: Working with National Park Service (NPS) for response. Information will be provided once contract is awarded. NPS asked for anticipated vehicle configuration (axle spacing) and axle loads to better assist in answering RFI.

Question 5: The current fueling concrete island extends into the driveway way area. After the removal of the tank and piping what should this curb line conform to? What addition Sq footage of concrete should be installed to cover this area?

Response: Once the concrete island is removed, the new curb line will tie into existing curb line on either side of island. The additional square footage of concrete needed will be determined by contractor once existing island is removed.

Question 6: It is assumed that all conduit leading back to the building will be have the wiring removed if possible and cut back to the edges of the excavation. Conduits at the building for the fuel equipment will be removed from the bldg. and cut down a few inches below grade. The holes in the bldg. would be sealed with fire caulk to close the holes. Please confirm this would be acceptable.

Response: All existing wires in conduits will be removed and cut back to edges of excavation. Conduits at the building for the fuel equipment will be removed from the building and cut down a few inches below grade. The holes in the building will be sealed with fire caulk to close the holes.