RFI's_for_Emergency_Spillway_at_Moosehorn.docx

Magurrewock Dam Emergency Spillway

F15PS00244

Questions for Emergency Spillway at Moosehorn’s NWR’s

1-Note 7 plan g3- upper marsh lowered to el 65.6… With the current snowpack melt, if this is not feasible in the time frame to commence work, will a delay be provided or a change in scope for dewatering be implemented allowed Answer: Per Refuge Manager’s response earliest construction start is July 15, 2015.

2- Section 01200, 1.2 Please clarify “Take all measurements and compute quantities for unit price pay items”… how will excavated soils/materials that are stockpiled be measured and or verified by the Engineer if they are deemed unsuitable? Specifically, how will swell factors of materials be addressed in measuring these quantities?

Answer: Section 01720 gives requirements for computing excavation quantities. Baseline survey and monthly topographic surveys are the responsibility of the contractor.

3-In regards to stripping and removing existing material, when will the existing excavated material be deemed suitable or unsuitable? at the time of excavation or at the time of stockpiling?

Answer: Refer to section 02330 Earthwork requirements for QC testing of fill material by a qualified and approved independent testing firm at the responsibility of the contractor. Table 02330-1 gives test frequencies and methods.

4-What unit should include the costs of assisting the engineer to determine if the on-site gravel pit has suitable materials for the project?

Answer: The unit of measurement on all excavation and fill material is cubic yards. If “unit” in question refers to Bid Item, the testing would be included in the unit pricing for the item such as Item 17 Aggregate Base Course or the Lump Sum for an item such as Bid Item 6 Cofferdams and Stream Diversion.

5-In regards to- “FOR EVALUATION PURPOSES ONLY, local vendors will receive a 15% deduction of their total proposed price. The contracting officer will consider price reasonableness of all acceptable proposals before award. Vendors should ensure that the appropriate work address is provided with their quote.” Will the government verify the registration/status in the system for award management of local contractors that were at the bid site walk and include that in the response to this RFI?

Answer: Yes, the Government will verify the vendor’s place of business or address in the System for Award Management (SAM) using the vendor’s DUNS number.

6-02240 section d…. please indicate where on the property will the discharged water that comes from dewatering be piped too.

Answer: The location(s) of dewatering release points are expected to be downstream from the embankment at the discretion of the contractor and an integral part of the construction plan developed by the contractor.

7-There was reference to solar and electrical materials in regards to a project in New Jersey in the specification, please confirm that it is an error.

Answer: Yes, the specification listed in section C of the solicitation is an error. An amendment will be issued to correct the error. The revised is as follows:

Contractor shall furnish all personnel, labor, materials, tools, transportation, equipment, and consumables required for the construction of emergency spillway at Upper Magurrewock Dam, including raising the dam embankment, adding riprap to the section of the upstream side of the embankment and repairing a concrete section of the service spillway. as delineated in the attached technical specification and drawings.