PAJARO SITE 3 REPAIRS - RFI LOG.pdf
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- Attached to
- Pajaro PL 84-99 Site 3 Repair
- Solicitation number
- W912P723B0011
About this file
This document contains questions and responses related to solicitation number W912P723B0011 for the Pajaro PL 84-99 Site 3 Repair project for the Department of the Army Corps of Engineers Engineering District San Francisco. The questions and responses clarify details of the project scope including confirming the 60-inch CMP culvert is the correct one referenced, providing nearby geotechnical boring information for reference but not as part of contract documents, extending the bid date by one week, estimating 50 timber piles for removal, referring to the specifications for work window and seed mix requirements, and stating amendments will provide copies of environmental permits and toe elevation information for the diversion structure design which is the contractor's responsibility. No blasting is anticipated for the project.
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PAJARO SITE 3 REPAIRS
QUESTIONS & RESPONSES
SOLICITATION NUMBER W912P723B0011
RFI # RFI QUESTION RESPONSES
1 Specification Section 00 21 00 1.1 requires contractor to remove and replace the existing headwall for 48-inch culvert. Since there is no 48” culvert shown on the plans, we are assuming that this is related to 60” CMP culvert. Plan sheet C-502 Detail A1 calls for protecting in place the existing concrete headwall. Please clarify if we need to remove and replace the headwall.
Follow Plan Sheet C-502 and protect in place.
Confirmed that 60” CMP culvert is correct.
2 Please provide any geotechnical investigation data available for this project.
This will help us design the suitable dewatering solution for this project.
Nearby geotechnical borings attached. Borings are not part of contract documents.
3 Please extend the bid date by one week.
See amendment 3
4 Please provide a count of timber piles that are required to remove on this project.
Contractors should use 50 piles for estimating purposes
5 Are there any restricted work windows when the contractor is allowed to work in the water?
Refer to Specifications (section 01 57 19 para.
3.1.6)
6 Please provide copies of the environmental permits issued for this project. Amendment 4 will provide this information.
7 What is the anticipated completion date for this project? See period of performance in solicitation 8 For the sheet pile diversion structure, please provide the toe elevation that we should assume as no Geotech information is available for this project.
The toe elevation was not surveyed after the flood event. Amendment 4 will provide this information. Diversion structure design is the responsibility of the contractor. Nearby geotechnical borings are provided for the Contractor’s use, but are not part of contract documents.
9 There is reference to blasting in the excavation specification. Is there any blasting anticipated on this project?
No
10 CAD Files? See amendment 1 11 What type of seed mix is required? Refer to Specifications (section 32 92 19 para.
2.1)
File details come from the government source that posted it. Updated .