Questions_from_pre-bid_visit_7-18-19_SS.xlsx

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Construction Services: VICK 209256 Stabilize Railroad Redoubt Earthworks, Vicksburg National Military Park, Vicksburg, MS
Solicitation number
140P2019R0063
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Sheet1

QuestionResponse
1Do QC personnel require quality control certifications beyond company QC training?Specification section 01-40-00-3 , paragraph 1.5 provides minimum qualification levels. Note that the Quality Control Manager must be a professional geotechnical engineer or geologist.
2Will specialized track safety training be required?Section 01 11 00-3 paragraph 1.4.E.5 states that all personnel who work within the KCSR righ-of-way shall be trained and certified as a KCSR "Roadway Worker".
3What is the expectation for work restrictions during times when a train is arriving?A: In general, the expecation would be to stop work if any work is occuring on the slope above the railroad tracks. If there is any potential for equipment, material, or personnel to foul the track right of way, work must be stopped. Additionally, specification 01 11 00-3, paragraph 1.4.E.6 states that a qualified Roadway Worker In Charge must be present during work that has the potential to come within 25 feet of the right-of-way centerline.
4Do the trains operate on a schedule?No. Trains are freight only and not on a defined schedule. The approximate number of trains per day is 18-24 per 24 hours equally distributed day and night with an average of 20
5What speed do trains travel at?Timetable speed is 40 mph
6Is railroad track closure possible?Yes, there is a process to request closure. A closure up to 4 hours can be requested. It takes 3-4 weeks to get these requests reviewed and approved by KCSR and its agents.
7Do flaggers need to be on site for the entire project?The right of entry permit will detail requirements. In general, any work on the slope above the tracks will require a flagger and a dedicated person in contact with the train operator. Equipment and material movement that is on the opposite side of the slope (e.g., closer to the road than the tracks) would not be expected to require a flagger.
8Does pressure on cut slope have to be measured when working on the slope?Yes, installation plan required by 314415.56 paragraph 3.1.3 states that temporary slope stability should be included in site safety plans. This should take into account equipment loads on the bench of the slope, weather conditions, and moisture levels that could affect slope stability.
9Can any signs be removed?Metal marker signs can be removed, stone monuments cannot. The Contracting Officer should be notified prior to any removal.
10Will the park clear any areas for vehicle access?In the access area through the wetland, the Park has a contract to have the area brush hogged twice per year. This is usually done in the fall and will be performed before a contractor mobilizes for this project.
11Where do trees go when cleared?Section 311100 (Site Clearing) paragraph 3.6.A states that all material from site clearing shall be removed from the site. Section 01 74 19-2 (Construction Waste Management and Disposal), paragraph 1.3 details waste management goals of diverting 50% of waste from landfills. Land clearing debris (chipped) can be used for mulch or erosion control. Will need to be clarified with the Park.
12What is the general timeframe from submission to award?7/29 - Questions due; 8/6 Proposals accepted/evaluated; 9/20 approximate date of award; Bonds due 10-14 days after award; NTP approximately late October 2019. Project duration is 365 days.

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