QA Master - 26QA064.pdf
PDF 74 KB Posted
- Attached to
- Ramp Tank Replacement at Watervliet Arsenal
- Solicitation number
- W911PT-26-Q-A064
About this file
This is a Questions and Answers (Q&A) document for a federal contract opportunity involving facility modifications and construction services for the West Virginia Division of Environmental Protection (WVA).
The project scope includes removal of an underground storage tank (UST), installation of a new dumpster pad with concrete, construction of a steel building structure with proper footings, installation of bollards, a ramp rebuild, and site restoration. WVA will pump out the tank prior to work commencing. The contractor must collect six soil samples for 24-hour turnaround testing before backfilling the tank grave. All excavated asphalt will be removed and replaced with concrete; the concrete dumpster pad requires sufficient reinforcement and subbase to anchor the dumpster weight and overhang. The steel building requires internal design completion and WVA approval, with engineered shoring design required for UST removal exceeding four feet depth. The project excludes electrical work, drawings S-05, E-01, and E-02, lighting installation, gates at the bottom of the ramp, and chain link fencing. An overhead door or roll-up gates will be installed on the east side of the dumpster for truck access. Steel must be painted. The contractor is responsible for providing all design specifications, dimensions, and engineering details internally. Quote submission deadline has been revised in SAM to allow vendor review time. Award notification will be provided via email to unsuccessful offerors following contract award.
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Q No. Question/Comments Answer/Response Status 1 Is all electric including the light excluded? Yes. Answered 2 Will the tank be completely pumped out by WVA before our work begins?
If tank is not pumped out please provide test results on the water or other parameters so we can price the liquid disposal.
The tank will be pumped out. Answered
3 Please confirm that no soil will have to be disposed of by us and that all excavated dirt will be placed back in the tank hole without any testing.
Collect 6 soil samples and run for 24-hour turn around so the tank grave can be backfilled quickly. Field screen of soil. All tank spoils to be re-used in backfilling the tank grave. Answered
4 When the tank is removed, some asphalt will also have to be removed. Can this area be redone with concrete? Dispose of all concrete off-site. Answered 5 There was discussion of oh door or swing gates on the east side of the dumpster for truck access. No requirement was shown on the drawings.
Yes, there will be gate or roll up door. Answered
6 Drawing S-05 does not seem to be for this job. Please confirm that we can exclude any work shown on this drawing. Correct, it’s a different job. Answered 7 Drawings E-01 and E-02 appear to be for other electric work. Please confirm that we can exclude any work shown on these drawings.
That’s correct. Answered
8 Drawing S-03 shows ramp to be rebuilt and gates at the bottom of the ramp. Are these included? If so, please provide details.
No gate at bottom of ramp. Answered
9 Drawing S-03 shows bollards. Please provide details. Yes, there needs to be bollards. Answered 10 Drawing S-03 shows footings and columns. Please provide dimensions, sizes… for all steel and concrete work. New concrete footers for Steel Building with proper subbase. Answered 11 Drawing S-03 shows wind column. Please provide details. New concrete footers for Steel Building with proper subbase. Answered 12 Drawing S-03 shows east side being open. Is this correct? If not please provide details. Yes, the east side of the roll off area is where the overheard door or gates will be. Answered 13 Drawing S-04 shows a flat concrete pad under the dumpster with no slope or containment. Is this correct? If not please provide details.
Correct. Answered
14 Drawing S-04 shows the pad under the dumpster. Please provide details required to build this pad including thickness, reinforcing, subbase, concrete…
The pad needs to be sufficient to anchor the weight of the potential overhang as well as the weight of the dumpster and industrial waste items inside of it. We do not have the expertise to determine the thickness or depth of the concrete but it would have to be structured so that it can withstand the weight and weather exposures.
Answered
15 Drawing S-08 shows details for work that does not appear to be part of the scope. Please clarify this page and provide requirements including sizes, spacing, thickness…
S-8 was a structural example for concrete and pads; it has no directional information for the ramp structure. Answered
16 Please provide details on construction of the surrounding pads that will be disturbed during the tank removal and new dumpster pad installation.
The dumpster pad and area where tank is being removed will be replaced. Answered
17 It was mentioned during the walk through that the steel could remain unpainted. Is this correct? No, it will need to be painted. Answered 18 Is an engineered sheeting/shoring design required for removal of the UST ? It will need shoring so that the structure does not collapse as it will be greater than 4 feet deep. Answered 19 Is the double leaf chain link fence gate shown on sheet S-03 required? No we do not need fencing in that location. Answered 20 Is any contaminated material expected to be encountered during the project? Not that we are aware of. WVA will be pumping out the tank prior to work starting in that area. Answered 21 During the preconstruction meeting, it was discussed that lighting would not be required. Spec Part 3 Execution, Paragraph
3.11 references the installation of lighting. Please confirm whether lighting and electrical service are required for the new proposed structure.
We do not need lighting at this structure. Answered
22 The drawings provided via email include Sheet S-05, New Gasoline & Diesel Foundation Plan, E-01 Electrical Legend, E-02 Electrical Site Plan. Please confirm whether this drawing is applicable to our scope of work.
Those drawing are not applicable to the SOW for this project. Answered
23 Please confirm the required steel gauge, building specifications, load requirements and any additional design requirements for the proposed steel building. Alternatively, please confirm whether the building is intended to be a contractor-delegated design-build item, with the contractor responsible for the final design and engineering.
The contractor will be required to have all drawings completed internally and provide to the WVA for review. These will have to be reviewed by PW and other offices for concurrence.
Answered
24 Please provide any details related to the requirements for the footers. (i.e preferred concrete mix, rebar size and layout, depth etc).
The contractor will have to provide those measurements and designs internally and submit to WVA. The requirement in the project is for the structure to withstand weather conditions and provide overhang for the ramp tank.
Answered
25 Confirm that the bid date and time listed above are unchanged. Quote due date is revised in SAM to allow vendors time to review Q&A. Answered 26 Construction cost estimate or a construction cost range for the project. N/A. The requirement at FAR 36.204 for "Disclosure of the magnitude of construction projects" has been removed from the Revolutionary Far Overhaul (RFO). Additionally, this requirement is being treated as a service, not as a construction project.
Answered
27 Planholders list/bidders list N/A. No list has been generated. Answered 28 Non-Mandatory pre-bid attendance list from June 23 The Site Visit sign-in sheet is posted to SAM. Answered 29 Have you issued any addenda? If so, please attach them to this response. All information available has been posted to SAM. Answered 30 When is the best time to follow up for bid results? A notice to unsuccessful offerors will be emailed after an award has been made. Answered
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