B. Questions and Answers.docx

FCI Phoenix Emergency Repair Generator and High Voltage - Project 24Z6AV4 Solicitation 15BFA025B00000001

Questions and Answers

Submitted by B Team Construction (10 questions):

1. Please specify whether new high voltage line will T junction at the concrete subgrade pit with power then running to both wells, or whether it will be a home run to the south well then to the north well.

Clarification: The high voltage line will be “home run” from the switchgear to well #2, then from well #2 to well #3.

2. Both transformers are surrounded by fencing. Can we remove portions of the fence for connection to the new high voltage line? Are there any security considerations?

Clarification: Fencing came be removed around both wells for high voltage line repair.

3. Please provide photographs: inside of both transformers, inside the electrical room, and all generator equipment to be repaired /replaced.

Clarification: Photos attached to solicitation.

4. Should bidders include port-a-potties in their proposal?

Clarification: No, per Statement of Work (XII. Utilities), FBOP will provide restroom services.

5. Will new cable need to be pulled from transfer switch to generator?

Clarification: Refer to question #1.

6. The temporary generator has cables running into termination box of existing Caterpillar generator. Will temporary cables need to be rerouted while generator/equipment is beings repaired?

Clarification: Yes

7. What size Generator is required to power 1 pump while working on the other? (120Kw was mentioned in the walk) Will the contractor wire the pump panel to temp generator? Will the pump panel require any startup when transferring from house power to Temp Gen?

Clarification: 120kva/480v/3ph

8. What type of access will be needed to loading dock or building access when trenching west from S.E.S?

Clarification: A metal plate that is sufficient to support up to 80,000 lbs. and be at least 24’ across.

9. Will Native desert landscape require pulling back rock and replacing rock at trench and spoil’s location?

Clarification: There is no native desert landscape in the pathway of the trenching. Trench will be backfilled per SOW.

10. Can pull boxes/ vault be installed in the run for pulling purposes. This will minimize the tension and sidewall pressure caused during the cable install.

Clarification: Yes, additional pull boxes (underground) can be added to the pathway of the high voltage line.

Submitted by US2 (16 questions):

11. Please provide any drawings and/or photos related to the electrical disconnect that will be relocated away from the generator.

Clarification: Drawings will be uploaded with the solicitation.

12. Please clarify whether the new underground conduit needs to be fully encased in concrete as written in the SOW

Clarification: Duct bank utilizing ½ sack slurry mixture (per SOW).

13. Please clarify the type of sand backfill or shall the contractor defer to code on this item?

Clarification: Defer to code.

14. Please clarify whether the size of trench shall be in accordance to SOW Page 5, Paragraph b.1.a ? Or, if it just needs to meet minimum of code requirements?

Clarification: Defer to code.

15. Please confirm what areas and how many ft of the trench will require trench cover plates to allow for vehicle traffic?

Clarification: Only the areas where traffic will require to pass over the trench (ie. warehouse entrance, and behind garage for vehicle/equipment traffic).

16. What kind of temporary fencing (for areas not covered by trench plates) will be required for this project? (e.g. caution tape or full temp metal fencing?)

Clarification: Traffic cones and caution tape is minimally required.

17. Would black concrete be acceptable patch in place of asphalt repair?

Clarification: Concrete is an acceptable replacement for asphalt patching. No concrete coloring required for trench patching.

18. How much of the trench can we open at one time? Can we dig the full trench open all at one time or are we limited to certain LF?

Clarification: Minimize time the trenches are exposed, especially in front of warehouse and behind garage entrances.

19. Please confirm if contractor is responsible for all private utility locates?

Clarification: Yes, contractor is responsible for all “blue staking” of utilities.

20. Will trench spoils need to be hauled off site? Or can they be placed on-site somewhere?

Clarification: Trench spoils can be left on-site in a specified (by BOP) areas.

21. Is a compaction test required?

Clarification: Defer to code.

22. If compaction test is required, what are the specifications for this work?

Clarification: Defer to code.

23. What PSI concrete is required?

Clarification: 4,000 psi at 6” depth.

24. Is there any particular specifications or requirements related to method of splicing due to the length of the runs.

Clarification: No splicing from transfer switch to well #2, and then from well #2 to well #3

25. Please confirm that the intent of this project is to have a certified caterpillar technician rebuild this unit on-site, not to have the contractor install a new refurbished unit.

Clarification: As per the SOW the engine will be re-built on-site by a Caterpillar certified technician, and the generator set will be a refurbished genset.

26. Please confirm the technician rebuilding this unit needs to be caterpillar certified.

Clarification: Yes, the technician, as per SOW, will be certified by the manufacturer.

Submitted by Contractor DLJ Management (16 questions):

27. With the conduit being installed at depth of 4 to 6 feet the trenching will have to be shored or stepped to make it safe to work. Can the facility tell us what the soil type is?

Clarification: No soil report is available.

28. Conduit encased in concrete, ½ sack slurry left below finished grade to leave space for final.

-Is foil back electrical burial tape required to be installed 1 foot above medium voltage conduit installation?

-Is a 4/0 awg bare copper conductor required to be installed with each medium voltage conduit installation?

Clarification: Yes, foil back electrical burial tape is required to be installed 1 foot above medium voltage conduit installation. Recommended the concrete to encase the conduits to be dyed red.

Yes, 4/0 awg bare copper conductor required to be installed with each medium voltage conduit installation.

29. What is the ampacity rating of the 15kV cable termination? 200-amp loadbreak or 600-amp deadbreak?

Clarification: 200-amp loadbreak.

30. Lenth of medium voltage cable. Are medium voltage in line cable splices allowed in concrete pull box locations?

Clarification: No splices.

31. Section 2.b.5.a of the SOW states “Installer must be recognized and approved by the manufacturer.” What are the requirements for the installer to be recognized and approved by manufacturers?

Clarification: A manufacturer certification certifying they have been trained and certified by the manufacturer

32. Temporary power will be needed for wells #2 and #3 during power shutdown. What are the specifications for the temporary power generator?

Clarification: 120kw/480v/3-ph.

33. Is the prime KTR required to have an office trailer onsite? If so, will FBOP provide temporary power?

Clarification: No temporary office is required. However, if contractor does elect to have a temporary office the contractor will have to supply their own power.

34. Utility Plans: Could we have access to any exiting utility plans for the site?

Clarification: Drawings will be uploaded to the solicitation.

35. Project Phasing: Is there a phased approach planned for this project?

Clarification: The contractor is responsible for the scheduling.

36. Clearance & Training: Will our team need any specific clearances or training prior to starting?

Clarification: Only NCIC background check forms are required for all contractors working on this project. NCIC background check forms are valid for six months from the time they are ran through NCIC. With this project being one year it will require more than one background check before the project is complete.

37. Spoil Stockpiling: Is onsite stockpiling allowed? If so, please specify the location and distance from the excavation area.

Clarification: Trench spoils can be left on-site in a specified (by BOP) areas.

38. Demo Material Removal: Where should the removed demo material be taken?

Clarification: Demo materials can be stored on-site in a specified (by BOP) areas.

39. Conduit Excavation: Will we need to dig up the existing conduit? If so, is it located within a concrete duct bank?

Clarification: As per SOW the existing high voltage line will be abandoned in the ground. The existing high voltage line is direct burial, no conduit or duct banking.

40. Dust Control & Water Supply: For dust control, where will the water supply be located?

Clarification: Fire hydrants are located throughout the site to access for dust mitigation.

41. Safety Measures: Will we need temporary barricades, fencing, or road plates on-site?

Clarification: Traffic cones and caution tape is minimally required.

42. Roadway Thickness: Could you confirm the thickness of the asphalt and concrete in the roadways?

Clarification: The asphalt thickness varies from 2.5” to 4.5” depending on location. Any concrete in the pathway is between 4” and 8” depending on locations.

Submitted by KWR Construction (35 questions):

1. Instructions to Bidders, I, C. Section 5 calls for the original bid guarantee be mailed to TX and received by the bid opening time and date. Please confirm this requirement.

Clarification: That is correct.

1. Instructions to Bidders, V, 10, (1) references page 9. Please provide page 9.

Clarification: Section V., 10,(1), disregard text “page 9”. The referred document is uploaded as the attachment titled Banking Questionnaire.

1. Instructions to Bidders, V, 10, (4) references page 6. Please provide page 6.

Clarification: Section V, 10, (4), disregard text “page 6”. The referred document is uploaded as the attachment titled Past Performance and Responsibility.

1. Please confirm bid opening on 11/22/2024 at 11 am PST.

Clarification: Correct. Bid Opening is on 11/22/2024 at 11:00 a.m. PST.

1. Please provide the site visit sign-in sheet.

Clarification: The sign in sheet and meeting minutes have been uploaded as an attachment.

1. Statement of Work, 1, j (Other Considerations), iv: Can you please provide guidance on lost time per week or month for the purpose of estimation?

Clarification: Lost time can be anything from in-processing/out-processing daily for tool inventory, security situations (ie. lockdowns) or inclement weather. Daily tool inventory can take 15 to 30 minutes at the start of the day and again at the end of the day.

1. SOW, 2, calls for 2000 kW generator; SOW, 2, a, (1) states 12,470kW and 2000 VAC generator. Please clarify the exact size of the required generator in KW.

Clarification: As per the photos uploaded to the solicitation the generator set plate states it is a 2500kva/2000kw/60hz.

1. SOW, 2, calls for trench and removal of existing damaged high voltage line that runs from the switchgear to the wells #2 and #3. SOW, 2, b, 3, g. states “All existing electrical cables will be abandoned in place”. Please clarify the scope of work; are we required to dig, remove, and haul off the existing 15kV cable or abandon in place?

Clarification: As per SOW 2, b, 3, g is the correct procedures we are requiring. Abandon in place, no wire removal/disposal.

1. SOW, 2, b, 1 (Trenching) specify 4’ to 6’ deep trench. Please confirm a 4’ deep trench can be used as 6’ deep will cost more due to safety requirements.

Clarification: Defer to code.

1. Is traffic control required for this project?

Clarification: Traffic control will be required if the trenching obstructs normal traffic patterns.

1. Is QC testing required such compaction test, concrete test, asphalt test, etc.?

Clarification: No QC testing is required if the compaction of the material is accomplished within standard code.

1. Please confirm the following requirement: Remove the existing generator and buy (1) used (refurbished) generator rated 2000KW, 12,470V (capable of 13,800V preliminary).

Clarification: Yes

1. Do you have a preference of the required brand of the replacement generator?

Clarification: No brand required; however local serviceability is required.

1. Please confirm the existing switchgear is functional and will be used.

Clarification: Yes it functional and will be used.

1. If the existing switchgear will be used, is switchgear test required?

Clarification: A Meg Test will be required for the switchgear.

1. Please confirm the use of the existing fuel tank for the new generator and no additional fuel tank is required.

Clarification: FCI Phoenix has two above ground storage tanks(AST) diesel fuel tanks. One is 10,000 gallons and the second is 6,000 gallons.

1. Is test or clean-up for existing fuel tank required?

Clarification: No testing is required. FBOP will test and clean tanks prior to start up of the new gen set.

1. Is test of the existing transformers required?

Clarification: No

1. Please confirm it is not required to rent a standby generator during the replacement of the existing generator.

Clarification: No, FCI Phoenix already has a temporary emergency generator on site.

1. Please provide available as-built drawings.

Clarification: Drawings will be uploaded with the solicitation.

1. Per the site visit, please confirm that the trench from the switchgear heading west must be in the road and cannot be installed in the midband between the roads. This will require sawcut, mill, remove and haul off asphalt, and repave.

Clarification: As per the site visit discussion it was recommended to NOT be in the road if possible, to minimize traffic issues.

1. Sow 2, b, 3, c calls for slurry. Is this required for the entire trench route between the switchgear and the two wells?

Clarification: Yes

1. Can we use the existing manhole locate between wells #2 & #3 to pull new wire only, provided that this MH will not be used as a splice?

Clarification: Yes

1. Per the site visit discussion, please confirm addition of new MH located between existing generator and building to accommodate the cables from the switchgear to the Wells transformers. Also, need to have new wall mounted 4” conduit from inside wall to outside wall then down to MH then connect underground to MV cable trench to wells.

Clarification: Additional manholes are authorized to allow cable pulling if they meet and are installed to code.

1. Are we required to replace the cables between the existing generator and switchgear?

Clarification: Yes

1. If we are to install new manhole between Well #2 and Well #3, is acceptable to use above-ground medium voltage junction box next to the new manhole?

Clarification: No, it must be underground.

1. Are we required to provide As-built drawings as close out?

Clarification: Yes

1. Is the Contractor responsible for utility marking (blue staking)?

Clarification: Yes

1. Is medium voltage cable Hi-Pot test required after installation?

Clarification: Yes

1. Is temporary construction fencing required?

Clarification: Traffic cones and caution tape is minimally required.

1. At the site visit, it was mentioned to add an emergency generator shut off switch (to include conduit and other requirements) at the NE outside corner of the switchgear building. Please confirm.

Clarification: Yes

1. Per site visit discussion, please confirm it is required to rent (1) generator size 120KVA to keep well running during disconnect power to well transformer, installed at well #2.

Clarification: Yes

1. Please provide site visit photos to include nameplates of switchgear, well transformers, generator, existing step-up transformer, existing manhole, etc..

Clarification: Photos will be uploaded to solicitation.

1. Please provide the one-line diagram that shows the switchgear and feeders.

Clarification: Drawings will be uploaded to solicitation.

1. Is the contractor required to provide cover plates to cover the trench during construction at vehicle access locations?

Clarification: A metal plate that is sufficient to support up to 80,000 lbs. and be at least 24’ across.

Submitted by McKenzie Construction (4 questions):

1. Do the Superintendent, SSHO and QC Manager need to be 3 separate individuals?

Clarification: Superintendent and QC manager cannot be the same person, but either can be safety officer.

1. (If building is occupied) Are there any phasing requirements? How many people will be in the building? Are there any temporary heating/cooling requirements?

Clarification: Buildings are occupied for prison activity and will require emergency generator (already on site) to be in use during power outages.

1. Can the period of performance be extended after award once the material/equipment lead times are confirmed due to current market conditions for the equipment for this project?

Clarification: Only the awarded contractor will have the ability to request a time extension and contract modification

1. Please provide the recent site visit attendee sign in sheet.

Clarification: sign in sheet and meeting minutes have been uploaded as an attachment.