W91QF525RA019 -Amendment - Questions and Answers - RFI 2.pdf

RFI Question and Answer:

Question: 1. During the site visit, the Government took pictures of all areas of work outlined in the SOW. Is it possible for those pictures to be sent out to all bidders so that subcontractors that were not able to attend the site visit are able to review?

Answer: The pictures will be available upon request.

Question: 2. Will the Government allow the Site Superintendent to carry the duties of SSHO and Quality Control Manager for this project?

Answer: Yes, the Government will allow the site superintendent to carry the duties of SSHO and Quality Control Manager for the project.

Question: 3. Can the Government confirm the Valve size and count for this project?

Answer: Room 119 Upgrade:

- Draining all water piping, remove and replace all steel portions of incoming domestic water line(s), including two main shut off gate valves, check valve(s), regulator, and pressure gauge. Steel section is approximately six (6’) foot in length and should have unions and valves at both ends to ensure components can be isolated and repaired. All steel sections, supply valves, and components referenced here shall be 2”

- Removal and replacement of Gate Valve “A” and the associated steel union and nipple at the same location. Replace with 2” ball valve

- Add ball valve to one and a half (1-1/2”) inch piping branch that accesses hot water system. New 1.5” ball valve

- Remove and replace all gate valves and check valves in hot water system configuration.

- There is approximately twelve (12) gate valves and two (2) check valves. PWS is correct that there are twelve (12) shutoff valves and two (2) check valves here. Five (5) shutoff valves are 1.5”, Six (6) shutoff valves are 3/4”, one (1) shutoff valve is 1/2". One (1) check valve is 1.5” and the other check valve is 3/4"

- Remove and replace utility sink and faucet.

- Install new hot water supply to new utility sink from hot water heaters. Supply shall have valves at both ends. Two (2) new 1/2" ball valves

- Installation of valves at both ends of cold-water supply to include adding hose bib on wall beside of sink. Two (2) new 1/2" ball valves

- Remove water line to hose bib behind chillers to include:

- At the takeoff from the main line, install a new valve, close valve, and plug. One (1) 1/2" ball valve

- Install valve to make up water line. One (1) new 1” ball valve

Room 241 Upgrade:

- Install three-fourth (3/4”) inch branch off of new two (2”) inch line to new location for hot water makeup.

- Include valve at two (2”) inch line then regulator and check valve at connection point with union for ease of servicing. One (1) new 3/4" ball valve, one (1) 3/4" regulator, one (1) 3/4" check valve

- Install new two (2”) inch main water supply through new path to avoid crossing over primary electrical distribution. This installation shall also include:

- New supply shall extend from the supply valve at the four (4”) inch line all the way to the point where it can be tied back into the existing two (2”) inch supply for restrooms and cooling tower. New 2” ball valve at the tie in to the 4” main

- Installing of valve at piping join points One (1) 2” valve replacement at tie in above restroom

- Installation of multiple take offs and valves installed on the two (2”) inch main that include one for the hot water make up( two (2) new 3/4" ball valves and pipe), a new supply to the humidifier( two (2) new 1/2" ball valves and pipe, and a stub out for future usage( one

(1) 1/2" ball valves plugged).

- All points to have valves at both ends.

Question: 4. Can all work be performed during regular business hours, Monday through Friday 7:00am – 5:00pm?

Answer: Yes. The Government can accommodate this time fame and additional after-hour work if the project requires it.

Question: 5. Will the Government provide a lay down area inside of the building to store material while the project is underway?

Answer: Yes. The Government can provide a lay-down area.

Question: 6. Will the Government allow the contractor to place a dumpster onsite during the project or will trash need to be removed daily?

Answer: Yes. The Government will allow the placement of a dumpster onsite for the duration of the project.