Q_A_0002.pdf
PDF 80 KB Posted
- Attached to
- IDWSC Upper Columbia Idaho Boat Upgrade
- Solicitation number
- 140G0325Q0014
About this file
This is a Questions and Answers document for solicitation 140G0325Q0014 regarding modifications to a 2006 Miller Marine 20-ft aluminum boat. The document addresses technical specifications and requirements for installing a boom with 1,600 lbs breaking strength and related modifications for water sampling operations.
Key details include: no structural assessment or center of gravity documentation exists for the boat; the deck/hull must support forces from the boom and 100+ lb sampler; no specific load testing/certification required for the boom but it must be functional; no electrical load specifications provided but generator must power all equipment; the boat will operate year-round in temperatures from 0°F to 100°F on the Coeur d'Alene River in North Idaho; the boom should be removable; operations will involve 2-3 crew members collecting suspended sediment and water quality samples using a D-96 sampler across 10 stations in various flow conditions. The government will conduct informal inspections during fabrication to ensure compliance with the Statement of Work.
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140G0325Q0014amd01 Page 2 of 3
1. Has the government conducted a recent structural assessment of the 2006 Miller Marine 20-ft aluminum boat to confirm its ability to support the proposed boom with a breaking strength of 1,600 lbs and related modifications?
A: No, we have not conducted a structural survey.
2. Is there existing documentation on the boat’s center of gravity and weight distribution to ensure the boom installation does not compromise stability?
A: No, there is no documentation on the boats center of gravity.
3. Are there specific recommendations or requirements for reinforcing the deck or hull to accommodate the weight and operational stress of the boom?
A: There are no specific requirements, the deck/hull needs to be able to hand the forces from the boom and weight of the sampler which weighs over 100 lbs.
4. Will the installed boom require specific load testing or certification once fabricated and installed?
A: I don't believe the boom will need to be certified and pass a weight test. However, it MUST perform the job it needs to do.
5. Does the current electrical system or proposed generator have detailed load specifications for accommodating the additional equipment (e.g., power reel, heater, lighting)?
A: I don't have any load specifications on the electrical system.
6. Are there preferred brands or models of generators if additional power supply is necessary, or will the subcontractor have discretion in selection?
A: We don't have a preferred brand of generator. It just needs to be rated to power all the necessary equipment. It should be reliable and be a reputable brand.
7. Can the government provide historical maintenance records or known issues with the boat that might impact the modifications?
A: The only records we have are some engine service records and trailer bearings repacked. We can supply these records if needed.
8. Will the government conduct any interim inspections or final acceptance tests during or after the completion of modifications? If so, what criteria will be evaluated?
140G0325Q0014amd01 Page 3 of 3
A: Yes, we would like to stop by multiple times during the fabrication process to insure we are getting what was outlined in the SOW. As along as the contractor follows the outlined SOW there will be no official evaluation.
9. Are there specific environmental conditions (e.g., temperature extremes, water conditions) the modified boat must endure that subcontractors should consider during fabrication?
A: The boat will be used at all times during the year. 0 F degree weather to 100 F degree days. The boat needs to perform in all conditions. The boat will be in the water every month of the year sampling a wide range of river flows.
10. Beyond the SOW images, are detailed photos, CAD drawings, or schematics of the existing boat available to assist in the design and fabrication process?
A: Yes, we can get detailed photos of the boat. We do not have CAD drawings.
11. Does the government require the modifications to be adaptable for future missions or interchangeable components, such as a removable or adjustable boom?
A: We don't know the future of the boat or what projects are on the horizon. The boat needs to be adaptable. Yes, the boom ideally needs to be removable.
12. Can the government provide more details on the expected operational use of the boat during sampling to help ensure modifications are suitable for real-world scenarios?
A: The boat will currently be used to sample/collect suspended sediment samples and water quality samples on the Couer d'Alene River in North Idaho. We will be sampling all months of the year from base flow conditions to flooding. Most of the time the boat will have 2-3 people on board collecting the samples. One operator and the other two people will be on the bow collecting the sample from the crane.
We will be using a D-96 sampler to collect the water quality samples. We lower the sampler all the way through the water column from surface down to bed, and back up to surface. We do this at 10 equal width stations across a cross section on the river. The boat is mostly stationary with respect to the velocity of the river when we are sampling.
Here is a link showing the sampler and specs on the sampler we will be using.
https://water.usgs.gov/fisp/products/4101018.html https://water.usgs.gov/fisp/products/4101018.html
File details come from the government source that posted it. Updated .