B09_140P5322Q0012_Vendor_questions_1_7_0001.docx

140P5322Q0012 BLRI Tank Inspection/Cleaning Vendor Questions

Vendor Question #:1. Do all tanks have man ways?

Customer Response #1: Yes, each tank has an entrance/man way.

Vendor Question #:2. Do you know diameter of tanks needing cleaned?

Customer Response #2: All the tanks are rectangular in shape except the elevated tanks. Rectangular tanks usually have a ceiling height of approximately 8' and have various length and width dimensions. All tanks are underground except elevated tanks, (see photos of Bluffs Lodge and Campground, above). Elevated tank is approximately 16' in diameter and stands approximately 30' tall.

Vendor Question #:3. When is work needed to be started once contract is awarded?

Customer Response #3: Work should start in April. 4/15/2022

Vendor Question #:4. The last time cleanings were done.

Customer Response #4: All tanks cleaned two years ago 2019-2020. Elevated tanks were cleaned, and interiors painted.

Vendor Question #:5. Hatch sizes

Customer Response #5: Approximately 2’ x 2’

Vendor Question #:6. The field inspector? Is that a third party?

Customer Response #6: The contractor will provide the field inspection and provide a video and pictures to NPS of the inspection and all issues done to be corrected.

Vendor Question #:7. How high are the elevated tanks?

Customer Response #7: The elevated tank are approximately thirty feet tall. They are elevated tanks on four steel legs. They have two man ways (top and bottom)

NOTE: tanks will be cleaned and inspected while full of water.

Photo Attached: Location: Bluffs lodge/diner but is an exact match of the campground structure wise. The surrounding area in the campground is flatter. The contractor will need to provide a ladder to get to the tank and upper hatch.