Questions_and_answers_attachment_0002.pdf

Amendment 2 questions and answers Roadway/Staging Area

Question Will there be room on the dam roadway to be able to station (2) smaller cranes to perform the work? If so, is one lane of traffic goin to be approved?

Answer Please refer to revised section 1.2 of the PWS.

Question Additional space will be needed on the dam road near the location for the dive station and support equipment. Please verify this space will be available.

Answer Please refer to revised PWS section 1.2 for information and 5.0 for pictures of the staging area

Question Are there additional pictures of the access and staging area on top of the dam?

Answer Please refer to revised section 5.0 of the PWS for additional picutures.

Question Can one lane of the roadway across the dam be blocked throughout the day?

Answer Yes, please refer to revised section 1.2 of the PWS.

Question Can the contractor conduct the entire operation from one lane of the roadway, in front of the unit, assuming road blockage for the entire day is authorized?

Answer Please refer to revised section 1.2 of the PWS.

Question If contractor is attempting to conduct operation from one lane of the roadway, in front of the unit, are there hour restrictions for blocking the roadway?

Answer Please refer to revised section 1.2 of the PWS.

Question

Clarification of Section 1.2 and Section 2.1: 1.2: If equipment is needed on any part of the dam roadway, a Montana state certified flagger must be made available by the contractor to control traffic around the work area. 2.1 Government will provide materials for blocking roadway or managing traffic on top of dam. Contradiction for who is responsible for traffic control. Can you clarify

Answer section 2.1 of the PWs is modified to remove the materials provided and section 1.2 is revised for more clarity. Please refer to those sections in the PWS.

Question What is load capacity for the road atop the dam?

Answer The load capacity is 3000 PSI compressive strength. Please refer to revised section 1.2 of the PWS.

Water level Question What is the expected operating level of the reservoir going to be at the expected time of the project performance?

Answer Anywhere from 3530 foot elevation to 3546 foot elevation- mid-April is when the runoff season begins full swing and refill begins. it should be expected to be in depths from 230-280 feet (approximately).

Question What is lake elevation?

Answer Lake: projected to be less than 3550’

Question What is dam elevation?

Answer Dam crest: 3565’

Question What are the access road elevations coming in and out of the dam?

Answer Road elevation same as dam crest.

Question What are the elevations to the nearest town for lodging?

Answer Columbia falls is at 3087’

Working hours Question What will be the working hours allowed for the site? Ex. 8hrs/day, 10hrs/day, 12hrs/day Answer Please refer to section 1.7 of the PWS

Question Are there hour restrictions to each shift (i.e., 10 hour days, 12 hour days, 24 hour ops)?

Answer Please refer to section 1.7 of the PWS

Location of panels / access

Question Are the three (3) panels inside the penstock? In Section 5 photo showing penstock grating and covers, is that where we can gain access to the fallen panels and what are the dimensions? When do you expect the work to be done?

Answer

There are no panels "in the penstock." There are 3 panels at G2 penstock opening, two of which may be wedged in the fixed wheel gate guide rails. One is sitting free upstream of the penstock opening. They weigh about 150 lbs. 4 ft wide by 2 ft tall and 5 inches thick. Please refer to section 6.0 Drawing 1 for a visual of panel location.

Question Do you have as builts or drawing for the penstock area?

Answer Please refer to section 6.0 of the PWS

Question Can you go into more detail about diver access?

Answer Please refer to revised section 1.2 of the PWS.

Question What is the gap between penstock and water surface? Is there ladder access?

Answer Please refer to revised section 1.2 of the PWS.

Question Is the only route to the Pressure Relief Panels, which need to be recovered, through the top of the Unit Tower Grating?

Answer Please refer to revised section 1.2 of the PWS.

Question Please provide detailed drawings/prints and historical photos of the dam, intakes, penstock, trashracks, gates, stoplogs, slots, stems, Answer Additional photos / drawings are added to section 5.0 and 6.0 in the PWS

Question Can the trashrack be accessed? If the access is available through the trashrack, is the option available to extract the panels that route Answer No, there is no access through the trashrack

Crane Question Is there a gantry crane on the project that would be available for use as the lifting unit for either the divers or the plates?

Answer No. Per PWS section 3.1 "The Contractor will provide all personnel, equipment and supplies necessary to perform the removal…

Question Will the USBR provide crane for removal or equipment access?

Answer No. Per PWS section 3.1 "The Contractor will provide all personnel, equipment and supplies necessary to perform the removal…"

General Question Is the option open for the contractor to outline a plan for operations to be conducted from the water?

Answer Yes. Provision 52.212-1 instructs the offeror to provide a detailed narrative that shows your approach to meet the requirement in section 3.1 of the PWS. This must be submitted with your quote.

Question Is there additional LOTO training required by the owner?

Answer Training requirement is addressed in section 4.1 of the PWS