Atch10-FA252120B0006-QAs-ALL-31Jul20-20Qs.pdf
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- Solicitation number
- FA252120B0006
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This document contains questions and answers related to a solicitation for repair of the HVAC system at the Youth Center on Patrick Air Force Base in Florida. The solicitation seeks a contractor to provide all labor, equipment except for a government furnished chiller, and materials to replace HVAC system components in building 3656 and extend the mechanical room to accommodate the new chiller. Key details include that the work must be completed in phases to maintain operations of the youth center throughout construction, rental equipment will be required, the staging area must not interfere with facility operations, and the existing controls and fire alarm systems. Temporary HVAC will also be needed during the work. The pre-bid site visit was scheduled for July 23, 2020 and questions are due by July 28, 2020, with bids due on August 17, 2020 at 9:00 AM EST. The solicitation number is FA252120B0006.
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QUESTIONS AND ANSWERS
August 04, 2020
Solicitation: FA2521-20-B-0001, Project Number: SXHT 12-1048 Project Description: Repair HVAC, YC (Bldg. 3656)
Patrick AFB, FL
Ref: Drawings: Pg 24 (Sheet M-303, Flag Note 5) Q1. Question: Who’s responsible for relocating the emergency shower and eye wash station?
A1. Contractor is responsible for relocating emergency shower and eye wash station as stated in the construction documents
Ref: Drawings: Pg 22 (Sheet M-301, Flag Notes 16 and 17)
Q2. Refrigerant gas detector or will we be using the existing one? Or does the project require new one?
A2. Project requires new refrigerant gas detector as stated in the construction documents.
Ref: Drawings: Pg 17 (Sheet M-002, Flag Note 23) Q3. There’s a I/A series Schnieder Controls in the building and management system;
system will be disconnect and reconnected and then commissioned?
A3. Contractor is to request any necessary outage throughout the duration of the project.
Outages will be coordinated and supervised by PAFB personnel.
Q4. Do we have to use this specific brand manufacturer controls; if not, what are the acceptable manufactures? What is the standard?
A4: Any manufacturers utilized will have to be in full compliance and compatibility with all base standards and existing systems.
Q5: Is the current system BACnet? If so, can the controls be integrated in PAFB DDC server?
A5. The current system is Schneider Electric StructureWare system
Q6. Does the work have to be performed by MC2 Inc or can another Schneider controls rep company perform the work?
A6. Contractor must verify new system to be installed is fully compatible with base standards. MC2 has performed Schneider control installation on various PAFB construction project and has maintained compatibility with existing base controls.
Solicitation: FA2521-20-B-0001, Project Number: SXHT 12-1048
Ref: Technical Specification, page 5 (1.6 Work Scheduling)
Q7: Is this project going to be in phases?
A7. The project will have to be completed in phases as youth center will be operational throughout the duration of construction. Phase project accordingly to maintain certain units operational while other units are under construction. Rental equipment will be required and will not be provided by base.
Ref: Technical Specification, page 5 (1.6 Work Scheduling)
Q8. Are we going to be allowed a complete shutdown for several weeks for this project or is rental equipment required?
A8. Complete shutdown will NOT be available. The project MUST be conducted in phases.
Youth Center is to REMAIN OPERATIONAL. Rental equipment is required and WILL NOT be provided.
Ref: Technical Specification, page 6 (1.7.1.1)
Q9. Can we stage our teams in the back area close to the work?
A9. The staging area will have to be reviewed, signed off and authorized. So long as the area does not tamper will the youth facility operations or impede traffic it should be an available area.
Ref: None
Q10: The facility is going to remain occupied and in use during execution of this project, therefore some form of HVAC will need to be maintained for the duration of this project.
What are the phasing requirements (i.e. keep certain units operational while others are being worked on) or temporary air requirements for this project?
A10. Phase project to maintain operation of youth center throughout the duration of construction. Rental equipment are required for this project in order to maintain operation of youth facility during construction period.
Ref: Technical Specification: page 28 (31 00.00 10 (Fire Detection & Alarm System))
Q11: Whose fire alarm system is currently installed in the facility? Please confirm if this is Siemens.
A11. The existing fire alarm system is from Monaco Enterprises. It is a Monaco M-1 conventional fire alarm.
Solicitation: FA2521-20-B-0001, Project Number: SXHT 12-1048
Ref: Drawing (Sheet MD-301, Detail 3)
Q12. Drawing MD-301 Detail 3 calls for AHU-6 to be demolished complete including controls. The existing Boiler, Hot Water Pump, and temperature sensors within that room appears to be controlled by a Schneider Electric DDC controller for AHU-6. Should the new DDC control panel for the new AHU-4 include the required controls connections for the existing Boiler and Pump?
A12. The new system should include the required controls connections for the existing boiler and pump and must be compatible.
Ref: Drawing (Sheet M-002, General Note 23)
Q13. Drawing M-002 General Note 23 calls for the new DDC system to be in full compliance with the Base Standards and connect to the Base Frontend.
Please provide the manufacturer for the Base Frontend.
A13. Schneider Electric StructureWare
Ref: Technical Specification: page 28 (23 01 30.41 HVAC SYSTEM CLEANING)
Q14. SECTION 23 01 30.41 - HVAC SYSTEM CLEANING calls for cleaning of the existing ductwork on this project but there are no as-built duct drawings for the remainder of the facility outside of the mechanical rooms. Is it possible to get as-built mechanical plans showing the ductwork throughout the space? We would like to quote this project but need full mechanicals to quote it.
A14. No HVAC ductwork as-builts are available. Utilize square footage as base of estimate for ductwork cleaning.
Ref: Technical Specification (23 01 30.41 Para. 3.2.1.6.B Duct Systems)
Q15: Spec Section 23 01 30.41.B indicates Duct Cleaning which appears to be directed toward the entire air distribution system. Are we required to clean the entire air distribution system in this facility? If so, please provide layout drawings showing the existing ductwork and appurtenances in this system which will allow for an accurate quote
A15. Contractors are required to clean entire air distribution system in facility. No HVAC ductwork as-builts are available. Utilize square footage as base of estimate for ductwork cleaning.
Ref: Technical Specification (23 25 00)
Q16: There is a specification section included in the RFP for “Chemical Treatment”…Drawing M-002 General Note No. 25 states the “Existing Chemical Treatment System to remain and be re-used”. We also see a comment tagged as Flag Note 14 on drawing MD-301, but cannot locate that flag note on the drawing. Is the chemical treatment systems existing and to remain? If so, it would appear the contractor is simply to disconnect and reconnect to the new piping systems being installed. Is that correct?
Solicitation: FA2521-20-B-0001, Project Number: SXHT 12-1048
A16. The chemical treatment system is to remain and be re-used. New system and piping must be fully compatible with existing chemical treatment system
Ref: Technical Specification (23 64 10 Water Chillers)
Q17: Since the chiller is being supplied by the Gov. is spec. section 23 64 10 included in the documents “for reference only” ? Does the chiller already contain the necessary DDC card required to communicate with the new Andover StructureWare system? No other action required by the contractor in this spec section?
A17. The chiller does not include the DDC card. DDC card is to be provided by contractor.
Ref: Drawing (Sheet A-001)
Q18: Drawing A-001 under “General Removal and Installation Notes, specifically No. 19 makes reference to the contractor relocating occupants and supplies prior to construction.
Please provide all necessary details required for the contractor to make allowances for this effort. How many occupants will need to be relocated? Where will they be relocated to?
How many supplies and description of those supplies? Are the supplies temperature/humidity sensitive?
A18. No occupant relocation will take place as project is to be implemented in phases. Phase unit demolition and construction to maintain operation of youth center during construction period. Rental equipment will be required to maintain youth center operations during construction period.
Ref: None
Q19: Are there any requirements for Temporary Air Conditioning during construction? If so, please specify what those parameters are.
A19. Phase project to maintain operation of youth center throughout the duration of
Ref: Technical Specification 07 52 16.14
Q20: Are there any requirements for Temporary Air Conditioning during construction? If so, please specify what those parameters are.
A20. Phase project to maintain operation of youth center throughout the duration of
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