Pre_Bid_RFIs__2.docx
DOCX document 13 KB Posted
- Attached to
- Alter Power Distribution, Stockbridge Federal contract opportunity
- Solicitation number
- FA8751-17-B-0003
About this file
Q&A #2
View the file
Other files for this federal contract opportunity
| File | Type | Posted |
|---|---|---|
| 17B00030001.pdf | ||
| 3599_E9_Detail_Switchgear.pdf | ||
| 15-0323_-_Alter_Power_Distribution,_Stockbridge_-_Corrected_Panelboard_Mounting_Detail_.pdf | ||
| Pre_Bid_RFIs__1.docx | DOCX document | |
| 17B0003_-_Attachment_4_-_ULDF_15-0323_Drawings_Final.pdf | ||
| 17B0003_-_Attachment_2_-_Site_Visit_Request.pdf | ||
| 17B0003_-_Attachment_1_Wage_Determination.pdf | ||
| FA875117B0003.pdf | ||
| 17B0003_-_Attachment_3_-_ULDF_15-0323_Specs_Final.pdf |
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Text version
1. Drawing 12-0040-10 (Sheet 10 of 10) provides details for the transformer pad, curbing, and associated grounding at the locations of PT-1480 and PT-GIB. However details were not provided for the switch pad or grounding of the primary switches PS-1 and PS-2. Can these details be provided?
See revised drawings
2. Drawing 12-0040-8 (Sheet 8 of 10) The Proposed One Line Power Diagram indicates that the feeder routed from PT-1480 to the Panel LP-1 consists of 4-#4/0 in 3" PVC. Since this feeder is routed in PVC conduit and the grounding is shown to be derived at the transformer, is a grounding conductor required for this feeder?
Panel LP-1 feeder shall be 4-#4/0 plus 1-#4 ground in 3" PVC conduit in lieu of that noted.
3. Drawing 12-0040-8 (Sheet 8 of 10) The Proposed One Line Power Diagram indicates that the feeder routed from PT-GIB to the Panel GIB consists of 4-350MCM in 2-3" PVC. Since this feeder is also routed in PVC conduit and the grounding is shown to be derived at the transformer, is a grounding conductor required for this feeder?
Panel GIB feeder shall be 4-350 MCM plus 1-#1/0 ground in each of 2-3" PVC conduits in lieu of that noted.
4. Drawing 12-0040-8 (Sheet 8 of 10) The Proposed One Line Power Diagram indicates that the MV feeders do not have grounding conductors routed along with the phase conductors. Are grounding conductors desired for these feeders?
Provide #6 ground conductor in all medium voltage feeders.
5. In Amendment No: 1 the response to Question No: 1 indicates to "provide pricing to drill under roadway". Is this pricing to be provided as an alternate or included in the base bid?
It was our understanding this work was to be included in the base bid.
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