YOSE_215798_RFP_140P2022R0038_-_QR_Tracker_Amd1_0001.xlsx
XLSX spreadsheet 18 KB Posted
- Attached to
- YOSE 215798 - Bridalveil Fall Comfort Station
- Solicitation number
- 140P2022R0038
About this file
This document contains questions and answers regarding Amendment 0001 to the solicitation for the YOSE 215798 - Bridalveil Fall Comfort Station project. The amendment addresses missing specification divisions and questions about pump requirements, static mixer certifications, and drawings. Bidders sought clarification on voltage and phase for submersible pumps, NSF-61 compliance for static mixers, and missing details for static mixer sizing. The National Park Service is the contracting agency and Yosemite National Park in California is the project location. This exchange of questions and answers aims to provide bidders with needed details to complete their proposals for building a new comfort station and water supply systems.
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Text version
Amendment 0001
| Question Set | Set Number | Question | Response | |
| A | 1 | In the Table of Contents in the Specifications, it has Division 03, Division 04, Division 06, Division 07, Division 08, Division 09, and Division 10 as applicable specifications but they were not included. Can you please upload these specifications if they are applicable? | Refer to the Solicitation Amendment 0001 document, entitled, "B08_Attach1 - UPDATED Specifications_Amd1.pdf." | |
| 2 | I was reviewing the Spec book for this project and I see Division’s 3 through 12 are missing, can you please review this and advise please? | Refer to the Solicitation Amendment 0001 document, entitled, "B08_Attach1 - UPDATED Specifications_Amd1.pdf." | ||
| 3 | Plans A4.1 and A7.1 mention bird spikes, but there is no specification. Can Bird-X Stainless Steel Spikes be used for this scope of work? | Refer to the Solicitation Amendment 0001 document, entitled, "B08_Attach1 - UPDATED Specifications_Amd1.pdf." | ||
| 4 | Division 43 - | |||
| The specifications require a Grundfos pump Model #25S20-11, and it has to have a cast iron bowls and bronze impellers. This pump is 100% stainless steel and cannot be rebuilt as required. Please advise? | Question Received. Pending Response. | |||
| 5 | Division 43 - | |||
| 4” Submersible pumps – the specifications state that the motor needs to be a single phase 460v, which doesn’t exist per suppliers. All 460v is three phase. Can you please advise on the true voltage and phase required for these pumps? | Question Received. Pending Response. | |||
| 6 | Division 44 - | |||
| Article 1.4.D. requires a certificate of NSF-61 compliance. We cannot meet this requirement as stated. When specified by the engineer we manufacture static mixers from materials that are NSF-61 compliant, but do not carry a certification of NSF compliance for the full assembly. Please advise? | Question Received. Pending Response. | |||
| 7 | Division 44 - | |||
| Articles 2.2.A., 2.2.C., 2.3.A., 2.4.A, 2.5.A., and 2.6.B. all refer to the “Service Conditions” section to provide all the necessary details to design a static mixer. This section does not appear to be included in the specifications or addenda under specification section 44 42 48. | Question Received. Pending Response. | |||
| 8 | Division 44 - | |||
| The static mixer was located on sheet 22 of 27 of the drawings indicating that it is to be 2” with a quantity of 3, ¾” dosing ports. However, the flow rate, available lay length, construction material, pressure rating, CoV, and allowable pressure drop will be required to provide a quote. | Question Received. Pending Response. | |||
| B | 9 | It has been brought to our attention that the project specifications book is missing sections DIV. 3 thru Div. 10. Current specification book goes from section 024100-132110 and finishes from there with the remaining specification sections. Please advise. | Refer to the Solicitation Amendment 0001 Attachment document, entitled, "B08_Attach1 - UPDATED Specifications_Amd1.pdf." |
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