B09_140P5322Q0012_Vendor_Questions_14_16_0004.docx

140P5322Q0012 BLRI Tank Inspection/Cleaning Vendor Questions Questions 14-16

# 14.

1-3 B. Access: Each reservoir project site may only be accessed from unimproved dirt roads which branch off from the paved motor road or parking lot. The closest access to some of the reservoirs is a 200-300 feet from a paved or unimproved surface. What is the farthest distance? Is there a detailed map?

Response: There are no detailed maps that exist to the tank locations. The farthest distance on the graded dirt road is approximately 600 feet. All the rest or the 200 to 300 feet on a dirt road.

#15.

1-5 D. 3. On-site services such as electrical power, water, restrooms and telephones will be unavailable at the different project sites. Contractor shall make appropriate arrangements such as port-a-johns to accommodate their personnel. Are the port-a-johns required?

Response: Port-a-johns are not required, but there are no open restrooms in the general vicinity of the work sites.

#16.

3-3 1f: Cleaning of the tank floor will be performed with a vacuum pump and rotary bristle brush. What is the purpose of the rotary bristle brush? This creates high turbidity however the following point (h) Turbidity shall be minimal, preserving water quality.

Response: A low speed rotary bristle brush w/vacuum has been used on previous projects with great success. If your company has a different tool that will brush the walls, roof, and floors to clean away the normal mineral buildup we welcome a proposal of that equipment to review, with your proposal.