QA_140P2022R0080_Amd0002_0002.pdf
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- Attached to
- GLAC 311336 - Glacier Bridge Rehabilitation
- Solicitation number
- 140P2022R0080
About this file
This document contains questions and answers regarding Solicitation Number 140P2022R0080 for bridge rehabilitation work at 13 bridges throughout Glacier National Park. The solicitation seeks bids for rehabilitation of Glacier Bridges including replacement of bearings, joint seals, structural steel repair and painting. Substitutions for specified materials such as High Molecular Weight Methacrylate and structural steel will be considered after award. Bidders are advised to follow county weight restrictions for transporting equipment and to identify compliant haul routes. Lead paint removal must follow specifications. The on-site quality control supervisor may also serve as safety specialist. Bypass pumping is not permitted for work area isolation. Early start for out-of-water work will be considered if wildlife has fledged.
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Questions and Answers: 140P2022R0080 Glacier Bridge Rehabilitation, GLAC 3111336
1. Question: Can we designate our Site Superintendent as the Traffic Safety Supervisor?
Answer: The Traffic Control Supervisor, as defined in 34 01 00 Section 3.6, is not precluded from also being the Site Superintendent.
2. Question: Is bypass pumping permitted at the sites with lower flows in lieu of gravel bag berms and culverts to isolate the work area?
Answer: Bypass pumping is not permitted in order to isolate the work area.
3. Question: In 2023 would the contractor be permitted to start earlier than July if it was out of water work?
Answer: Per 01 11 00 Section 1.7 F., the start dates for the out of water work may be revised to an earlier date if the wildlife nesting on or nearby structures have confirmed to have fledged by park personnel.
4. Question: Can the On-site Quality Control Supervisor and the On-site Safety Specialist be the same person if they have expertise in both fields?
Answer: Per 01 40 00 Section 1.5 B.1, the Quality Control Supervisor may also perform other duties.
5. Question: I’m reaching out for numerous customers that are interested in bidding your Glacier Bridge Rehab. I have contacted the three High Molecular Weight Methacrylate (HMWM) manufactures (Dayton, Transpo, Kwikbond). Nobody can provide product or pricing for the HMWM product. All the manufactures told me to reach out to them in 4-6 months to see if they will have product available to even quote. My customers are all used to using the Bridge Deck Sealer which follows the MDOT standard in lieu of the HMWM. I have attached an example of one of the manufactures bridge deck sealer. There are numerous others available as well. Would you please let us know if Bridge Deck Sealer would be an acceptable alternative to the HMWM. Thanks for your time.
Answer: Please provide bid pricing for the materials as required per the contract (see section 07 18 40). Product substitutions will be evaluated after contract award in accordance with Section 01 33 23.
6. Question: The specs reference following Flathead County regulations for weight restrictions. Is there any more specific weight restrictions for each bridge? This would affect how the project is bid for hauling equipment and materials to each site.
Answer: Please see FAR Clause 52.236-10 Operations and Storage Areas – The Contractor is responsible for identifying route access that complies with legal load restrictions when hauling material and equipment on public roads and bridges to and from the project.
7. Question: In reference to lead paint removal. Would hand tool or power tool cleaning be acceptable in lieu of sand blasting?
Answer: Please see 09 91 90-5 (D) of the contract specifications for removal requirements.
8. Question: Would A252 be acceptable replacement for HSS pipe (05 50 00)?
Answer: Please provide bid pricing for the materials as required per the contract. Product substitutions will be evaluated after contract award in accordance with Section 01 33 23.
9. Question: It appears that the gradations in the Specs for the mechanically reinforced backfill and the washed drain rock might be swapped. Please confirm the gradations are correct.
Answer: The gradation table for the Washed Drain Rock in 31 23 10 Part 2, Section 2.1 A.2.c.3 is switched with the gradation table for Mechanically Reinforced Back fill in Section 2.1 A.2.d.3. Note that this error only applies to the gradation tables and the other notes are correct as shown.
Questions and Answers: 140P2022R0080 Glacier Bridge Rehabilitation, GLAC 3111336
10. Question: The gradation table shown under Mechanically Reinforced backfill in section 31 23 10-5 appears to be more of a washed rock and the gradation table shown under Drain Rock section 31 23 10-4 appears to be more of a backfill material. Should these tables be switched?
Answer: The gradation table for the Washed Drain Rock in 31 23 10 Part 2, Section 2.1 A.2.c.3 is switched with the gradation table for Mechanically Reinforced Back fill in Section 2.1 A.2.d.3. Note that this error only applies to the gradation tables and the other notes are correct as shown.
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