QA 5-May-21.pdf
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- Solicitation number
- 69056718B000028
About this file
This document contains questions and answers related to a federal solicitation for bridge and culvert repair work, and rockfall mitigation work, on Denali Park Road in Alaska. The work includes minor bridge repairs with painting bridge rails, replacing a concrete box culvert at milepost 52, conducting rockfall scaling and installing dowels and bolts for mitigation at milepost 52.9. Other details include that the project length is 0.3 miles, the tentative completion date is Fall 2020, the estimated price range is $2-3 million, and the location is approximately 145 miles southwest of Fairbanks. Questions cover topics such as bid item details, temporary roadway protection energy estimates, sheet pile installation, and whether roadway embankment would be considered incidental. The agency is the National Park Service within the Department of Transportation Federal Highway Administration.
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Project No: AK NPS DENA 10(47) & 10(48) Project Name: Repair Two Denali Park Road Bridges and Culvert Replacement MP 52 & Rockfall Mitigation MP 52.9
# General Technical Question Answer Date 1 X Bid Item A0240 refers to railroad ties. Drawing B.1 shows it as well under Section G, Geotechnical Details. Could you clarify this, I don’t see railroad ties on the drawings or provided photos.
Will Be addressed under Amendment A002 20‐Apr‐21
2 X Do you have the sheet pile designation of the existing Toklat River Bridge sheet pile where we are to fasten the king pile to it, shown on G.17?
No, please bid accordingly 20‐Apr‐21
3 X Is there any coating required on the sheet pile or king pile that we are to provide and install per G.17
No, please bid accordingly 20‐Apr‐21
4 X The completion date is predicated on a July 1 NTP date, with a performance period of just over 2 months. Would it be possible to get a limited NTP earlier to start procurement on fabricated steel and concrete items?
No, please bid accordingly 20‐Apr‐21
5 X What is the height of the highest General Scaling Limit for the scaling operation?
(As depicted on SHEET NUMBER G2 ‐ G14) the anticipated max vertical height (from the existing roadway elevation) for the General Scaling is approximately 300 feet.
22‐Apr‐21
6 X What is the height of the highest Intensive Scaling Limit for the scaling operation?
(As depicted on SHEET NUMBER G2 ‐ G14) the anticipated max vertical height (from the existing roadway elevation) for the General Scaling is approximately 300 feet.
22‐Apr‐21
7 X Division 100 Section 107.12 Page E‐21
Toklat Road Camp: What are the dimensions for the 8 spaces with power and 8 spaces without power at Toklat Road Camp?
The dimensions of the spaces will be dependent on the contractors proposed configuration of the construction camp/housing facility.
See SCR 107.12. Please bid appropriately.
22‐Apr‐21
8 X For 65602‐0000 TEMPORARY ROADWAY ROCKFALL PROTECTION
We don’t see the energy estimate in either foot tons or kilo Joules that describes the kinetic energy these scaled rocks may impact the barrier with.
Could you provide the energy and bounce height estimates for the temporary barrier?
Will Be addressed under Amendment A003 3‐May‐21
9 X Sheet Number G 15. Was it anticipated from design for the pile driving crane to be stationed on the road way for installation of the sheet piles?
Stationing of the driving crane during Installation of the sheet pile is dependent upon the contractors anticipated operations. Please bid accordingly.
3‐May‐21
10 X Is there a profile sheet for the install of the new sheet piles? No, please bid accordingly 3‐May‐21
Check General or Technical
11 X A0140 ‐ Soil Erosion Control, Fiber Roll” provides for erosion control on the downward slope of new sheet pile installation or is erosion control for sheet pile installation incidental to bid item A0420 – Sheet Pile, In Place
Soil Erosion Control shall be installed in accordance with Section 157
– SOIL EROSION AND SEDIMENT CONTROL and as indicated on sheet E.2 and sheets F.1 through F.7. Please bid accordingly
4‐Mar‐21
12 X
Will a Geobrugg T35 System on concrete roadway barriers be approved as a Temporary Roadway Rockfall Protection system the rockfall protection system will be evaluated as proposed by the contractor in accordance with Sub‐Section 656.02. Please bid accordingly
4‐May‐21
13 X
Within the specifications Section “Solicitation Provisions” pages B‐9/B‐10, the Government references FAR 52.225‐9 and FAR 52.225‐11. These are significantly different FAR’s in that “‐9” only allows for the supply of US materials and “‐11” allows for the supply of US and other countries we have fair trade agreements with. Is the Government invoking the “9” or “11” FAR?
will be addressed under Amendment A004 4‐May‐21
14 X
Are the temporary barriers required to capture the 29 foot bounce height at the upslope shoulder of the road
Rock Fall protection barriers are to be designed to protect existing road, utilities, existing barriers, and the environment during slope scaling operations in accordance with SCR’s Sub‐Sections 107.02, FP‐ 14 Sub‐section 107.10(a), SCR’s Sub‐Sections 623.02A, 623.02C(b)(6), and 656.02. Please bid accordingly.
5‐May‐21
45 X Do not see a bid item for road embankment, Ref Sheet Number C.1, please advise Roadway embankment is subsidiary to Roadway Excavation and is paid for under item 20401‐0000 ROADWAY EXCAVATION. Please bid accordingly.
5‐May‐21
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