B09_Amd_0001_Questions_and_Answers_0001.pdf

140P8524Q0032 Amd 0001 – Walk-In Refrigerator Repair Page 1 of 3

RFQ 140P8524Q0024 Amd 0001

CLEANING AND INSPECTION OF WATER TANKS FOR YOSEMITE NATIONAL PARK

Questions and Answers

The following are questions and answers received during the RFQ:

1. Are the tanks used for drinking water?

a. Answer: Yes.

2. Is the cleaning for the tank scanning of floor and walls?

a. Answer: Yes.

3. Do we only need to clean 8-foot up walls?

a. Answer: We are unsure of your reference to “8 foot up walls” is from. Per the Statement of Work: “Adhering to American Water Works Association (AWWA) C652-11 (or most current) The inspection shall be completed by a trained and qualified inspector as stated in AWWA D101-53.”

4. Can we get a big truck to the site for cleaning? Are the tanks accessible with a 4-wheel drive truck?

a. Answer: Depends on the size of the truck, roads are unpaved/dirt; the tanks are accessible by 4-wheel drive truck.

5. Can the Park provide water onsite for cleaning?

a. Answer: Water is available via the potable water tanks. There is no hydrant in the area.

6. Can discharge water and sediment be released onto the ground or into a nearby drain? Can the water be let go on the ground away from the tanks if no chemicals are used for cleaning?

a. Answer: Please refer to Statement of Work: “Cleaning: All sediment, sludge and debris shall be removed from the tank’s interior. Tank shall be disinfected per AWWA standards C652-02 (or most current) prior to placing back in service.” Per the AWWA standards: A general rule is to dechlor any water flushed from tank.

7. Do the tanks have internal ladders?

a. Answer: No.

8. What is the Diameter of tanks?

a. Answer: Upper Zone tanks have 50 feet Diameter and 24 feet tall., Lower Zone tanks are

50 feet Diameter and 20 feet tall.

9. What is the Liquid level ft?

a. Answer: Lower Zone-15.85 ft to 16.25ft, Upper Zone 19.5ft- 21ft

10. What year were the tanks built?

a. Answer: Tanks were built in 1984-1986, lower zone gray tank was built around 2000.

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11. Are any of the tanks insulated?

a. Answer: No.

12. Pressure (PSI) asset is operated at?

a. Answer: Static Pressure

13. Is this bid for both tanks?

a. Answer: Please refer to the pictures and Statement of Work. The requirement is for 4 tanks.

14. Does California prevailing wages apply?

a. Answer: The Department of Labor Wage Determination that is applicable to this RFQ is provided. See Attachment 4.

15. Will the requirements for OSHA 29 1910 subpart T apply for safety on this job?

a. Answer: Please review the provisions and clauses for this RFQ. The Service Contract Act is applicable to this requirement. OSHA 1926.15(a): Section 2(e) of the Service Contract Act of 1965 requires as a condition of every Federal contract (and bid specification therefor) exceeding $2,500, the "principal purpose" of which is to furnish services to the United States through the use of "service employees," that certain safety and health standards be met. See 29 CFR Part 1925, which contains the Department rules concerning these standards.

16. Is a Nace 1 coating inspection certificate required for the diver?

a. Answer: Per Statement of Work: “The inspection shall be completed by a trained and qualified inspector as stated in AWWA D101-53.”

17. How do we handle repairs on these tanks, is it a separate bid?

a. Answer: Please reference the Statement of Work: “It is anticipated that the inspection may identify failures. The contractor shall provide written recommendations for further action related to the tanks, including estimates for future repairs. An electronic version shall be provided upon completion with recommendations.”

18. Do you want ultrasonic testing done on the floor?

a. Answer: Per Statement of Work “Inspection Exterior/Interior: Adhering to American Water Works Association (AWWA) C652-11 (or most current) The inspection shall be completed by a trained and qualified inspector as stated in AWWA D101-53.”

19. Can we access drawings for these?

a. Answer: Yes. Please see Attachment 2 included in Amendment 0001.

20. Will the bidder need to be registered with DIR with the State of California?

a. Answer: This requirement is for the federal government. While it is not a requirement to be registered with the Department of Industrial Relations with the State of California, vendors that provide quotes must be registered and active on SAM.gov in order to be considered.

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21. Do they have to be drained or can they be inspected with water in them?

a. Answer: Per Statement of Work: “Perform inspection and cleaning of interior area and surfaces of the water tanks listed in Table 1 below. This shall be done while maintaining an active water system on selected tanks, unless National Park Service (NPS) can maintain a bypass to allow each tank to be drained during the work. (This is not preferred).”

22. Will the workers have access to get into the park?

a. Answer: Yes, workers will be given passes to enter into the park.

23. When is the solicitation deadline?

a. The solicitation deadline is provided on SAM.gov and in the solicitation documents. The solicitation closes at 5:00 p.m. Pacific Time on April 11, 2024.

24. Do you know the exact size of the hatch openings? The SOW indicated “minimum 18” hatch opening”

a. Answer: Upper zone has 30”, unknown size on Lower Zone tanks, but greater than 18”

25. Does the discharge water have to be de-chlorinated?

a. Answer: Yes. Per the AWWA standards referenced in the Statement of Work: A general rule is to dechlor any water flushed from tank.

26. What is the width of each tank?

a. Answer: Please see provided diameter and height dimensions provided above in question #8.

A total of 26 questions were received in response to this solicitation as of March 27th, 2024.