36C25726R0012 674-22-805 Upgrade Building Automation Systems Pre-Bid RFIs.xlsx
XLSX spreadsheet 16 KB Posted
- Solicitation number
- 36C25726R0012
About this file
This file is a Pre-Bid Request for Information (RFI) Q&A document for solicitation 36C25726R0012, addressing the upgrade of Building Automation Systems at Temple and Waco facilities. The document comprises 52 questions and answers that clarify technical specifications, equipment identification, project scope, and administrative requirements. Key technical clarifications include equipment type identifications across multiple buildings (fan coil units, packaged units, pressure reducing stations, expansion tanks, and various HVAC components), confirmation that BACnet MSTP is the preferred communication method, specification that globe valves are the preferred option, and requirements to replace existing end devices with new controllers and sensors. The RFI confirms that work will involve upgrading N2 Bus HVAC control devices and wiring to MSTP protocol across multiple buildings.
The document addresses critical project logistics and staffing requirements, including that work may occur outside regular business hours to minimize facility disruption, with VA-COR coordinating access and security clearance. Administrative clarifications specify that the superintendent can serve as Quality Control Manager but must be separate from the Site Safety and Health Officer; each site requires a separate full staff of on-site personnel. The RFI confirms the project will be issued as a single contract covering both McLennan and Bell County locations with applicable prevailing wage determinations for each county, that parking will be available at no cost, and that contractors should anticipate phasing constraints with VA approval required before moving between work areas. Additional specifications address earthwork and landscaping requirements to be provided by addendum, 180-day turf establishment/maintenance periods, 365-day exterior planting establishment/maintenance periods, and commissioning commissioning responsibilities per specification 23 05 93.
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Sheet1
| 36C25726R0012, 674-22-805 Upgrade Building Automation Systems, Pre-Bid RFIs | |
| Q1 | Is it acceptable to have multiple VAV boxes be powered by a single 24V transformer or will each VAV boxes be required to have a dedicated transformer? |
| A1 | Provide power as recommended by equipment manufacturer for VAVs. |
| Q2 | Temple BLDG 171 - Page 1-M-102 references equipment tagged F-13 & F-14. What type of equipment is this? What are the control points and sequence of operation? |
| A2 | REPLACE N2 BUS HVAC CONTROL DEVICE AND WIRING WITH MSTP AS WELL AS ALL THERMOSTATS AND SENSORS. |
| Q3 | Temple BLDG 204 - Page 1-M-104 references equipment tagged 204-VF1JK, 204-UH1JK, 204-RF1K, 204-RF1J. What type of equipment is this? What are the control points and sequence of operation? |
| A3 | 204-VF1JK is SIDE WALL FAN , 204-UH1JK is a UNIT HEATER, 204-RF1K and 204-RF1J are RETURN FANS. |
| Q4 | Temple BLDG 204 - Page 1-M-106 references equipment tagged 204-SA4GS. What type of equipment is this? What are the control points and sequence of operation? |
| A4 | 204-SA4GS is a DUCT SILENCER. |
| Q5 | Temple BLDG 202 - Page 1-M-108 references equipment tagged B-CV-1, B1-1, A1-1 as examples. |
| A5 | B1-1, A1-1..etc are existing DUCTED FAN COIL UNITS and B-CV-1 ...etc are CONTROL VALVE BOXES |
| Q6 | Temple BLDG 202 - Page 1-M-108 references equipment tagged FC-1. What type of equipment is this? What are the control points and sequence of operation? |
| A6 | FC-1 are existing FANCOIL UNITS |
| Q7 | Temple BLDG 202 - Page 1-M-109 references equipment tagged E3-1. What type of equipment is this? What are the control points and sequence of operation? |
| A7 | These equipments are FANCOIL UNITS. |
| Q8 | Waco BLDG 6 - Page 2-M-107 references equipment tagged 6-GU-1. What type of equipment is this? What are the control points and sequence of operation? |
| A8 | GU-1 is a packaged unit. |
| Q9 | Waco BLDG 8 - Page 2-M-110 references equipment tagged 8-AC-1. What type of equipment is this? What are the control points and sequence of operation? |
| A9 | These are SINGLE PACKAGED WATER COOLED AIR CONDITIONERS |
| Q10 | Waco BLDG 15 - Page 2-M-116 references equipment tagged PRS, SCP-1, SG-1, AS-2, SMD, ET-2. What type of equipment is this? What are the control points and sequence of operation? |
| A10 | PRS - PRESSURE REDUCING STATION, SCP - STEAM CONDENSATE PUMP, SG - STEAM GENERATOR, AS - AIR SEPERATOR, ET- EXPANSION TANK |
| Q11 | Waco BLDG 92 - Page 2-M-121 references equipment tagged 92-FC3D and 92-RH1. What type of equipment is this? What are the control points and sequence of operation? |
| A11 | FC3D - VERTICAL FAN COIL UNIT and RH1 - |
| Q12 | Waco BLDG 227 - Page 2-M-127 references equipment tagged 227-GU-1 and HVU-1. What type of equipment is this? What are the control points and sequence of operation? |
| A12 | GU - 1 are packaged units for the Green house. |
| Q13 | Waco BLDG 202 has RTUs and a MAU on the roof. Do the existing units have a BACnet card for BACnet integration? |
| A13 | No they do not have. |
| Q14 | Waco BLDG 219 has RTUs on the roof. Do the existing units have a BACnet card for BACnet integration? |
| A14 | No they do not have BACnet cards for integration |
| Q15 | Waco BLDG 226 has RTUs on the roof. Are the existing units packaged units or is it the controls contractors responsibility to provide full controls? If they are packaged units, do the existing units have a BACnet card for BACnet integration? |
| A15 | Yes they are existing units and contractor to replace the BACnet N2 Bus controls and wiring with the BACnet MSTP. |
| Q16 | Will any of the areas involved with the upgrade require after-hours support during the duration of the project? |
If yes, please specify:
• Which areas will require after-hours work?
• Estimated duration and frequency of after-hours activities.
• Any special considerations for staffing or scheduling.
| A16 | Some areas may required work to be performed outside of regular hours to minimize impact to facility operations. Frequency and duration of after hours work is variable and dependant of the operational needs of a given area that time. |
| Q17 | Will after-hours work require special building access or security clearance? |
| A17 | If so, VA-COR will coordinate access with GC |
| Q18 | Who will be responsible for coordinating access (vendor or client)? |
| A18 | VA-COR |
| Q19 | Are there any restrictions on personnel entering the premises after hours? |
| A19 | VA-COR will coordinate access with GC for any after hours work |
| Q20 | How many buildings at each site are included in the upgrade scope? |
| A20 | Reference plan. Sheet index on sheet GI000 lists sites and building #s. |
| Q21 | Provide a list of building names or identifiers for each site. |
| A21 | See response to question 20. |
| Q22 | Will all buildings be upgraded concurrently, or will the work be phased? If phased, please provide the proposed sequence and timeline. |
| A22 | Phasing plan is not part of design. Apon award the GC will submit a phasing plan and project schedule for VA approval. |
| Q23 | Identify any buildings that will not be included in the upgrade scope. |
| A23 | See response to question 20. |
| Q24 | Will the historical status of the Waco site require vendors to comply with additional regulations or restrictions? |
If yes, please specify:
• Applicable guidelines or governing authorities.
• Any limitations on modifications, equipment installation, or structural changes?
| A24 | Scope of work is not expected to impact historic status of site or buildings on campus. No additional regulations or restrictions are anticipated. |
| Q25 | If end devices (controllers, sensors, etc.) are already installed and operational, should they remain in place or be replaced? |
| A25 | Replaced with new |
| Q26 | What valve body type is recommended for this project? Are globe valves the preferred option based on VA standards or specifications? |
| A26 | Yes, globe valves are the preferred option. |
| Q27 | Per specification section 23 09 23 – 24, BACnet MS/TP is the preferred communication method for the field communications. |
| A27 | Yes, BACnet MSTP is the preferred comm. method. |
| Q28 | For the Past Performance requirement, does the Department of Veterans Affairs require that submitted projects be 100% complete, or may projects that are substantially complete be considered acceptable for evaluation? |
| A28 | Per A.4. Proposal Preparation Instructions 2. Volume Specific Submittal Instructions Paragraph b., "Offerors are to submit information relating to up to three projects valued at least $10,000,000.00, it has completed within the last three years." This means "100%" complete. |
| Q29 | Will work be permitted to occur at both locations simultaneously? |
| A29 | Yes |
| Q30 | Will separate individuals be required to fill roles as on-site personnel staff at each project site? |
| A30 | Refer Q31 response below. |
| Q31 | Do the roles of SSHO, Superintendent, and QCM need to be filled by 3 separate individuals? Or can the same individual serve simultaneously as 2 or more of these positions? |
| A31 | Per 01 45 00, 3.4.B, the superintendent can also be QCM, but not SSHO. Per 01 35 26, 1.7.C, "...the SSHO has to be a separate qualified individual from the Prime Conttractor's Superintendent and/or Quality Control Manager with duties only as the SSHO." |
| Q32 | Will each site need a separate full staff of on-site personnel? |
| A32 | Yes |
| Q33 | Earthwork will be required for new duct bank installation but no specification section is included. Please provide a specification section for the earthwork. |
| A33 | Earthwork specification to be provided with Addendum 01 |
| Q34 | Landscaping will be required for new duct bank installation but no specification section is included. Please provide a specification section for the landscape. |
| A34 | Arch.: 32 90 00 PLANTING section to be added by addendum 01. |
| Q35 | In areas disturbed by construction, is grass to be restored using seed or sod? |
| A35 | Arch. Requirements for both methods are indicated in 31 20 11 EARTHWORK (SHORT FORM) to be added by addenda. |
| Q36 | Is the contractor responsible for watering and maintenance of landscape work for an establishment period after approval? If so, what is the duration assumed for the establishment period? |
| A36 | Establishment/maintenance period for turf must continue for a minimum period of 180 calendar days after install, with weekly inspections and full maintenance (mowing, irrigation, fertilization, weed control) during that time. |
Establishment/maintenance period for exterior planting must continue for a minimum period of 365 calendar days after install, with weekly inspections and full maintenance (mowing, irrigation, fertilization, weed control) during that time.
| Q37 | Is the contractor to provide Max-cell innerduct in all new exterior UG fiber pathways? |
| A37 | Alternate products to be considered, post-bid and during the submittal process. |
| Q38 | Please confirm, will this entire contract be issued under a single contract? |
| A38 | Yes |
| Q39 | If issued as one contract, which prevailing wage/pay scale applies — McLennan County or Bell County? |
| A39 | Both wage determinations are applicable for the work conducted in the specific county. The wage determinations were inserted into solicitation and current wage determinations are provided with 36C25726R0012 Amendment 4. |
| Q40 | Please confirm, all work is to be done on regular hours between 8 am and 4:30 pm? |
| A40 | Some areas may required work to be performed outside of regular hours to minimize impact to facility operations |
| Q41 | Will parking be available for contractors free of charge? |
| A41 | Yes |
| Q42 | Will hard plastic barriers suffice as adequate infection control, or is the contractor required to construct temporary gypsum walls? |
| A42 | Safety Requirements specification indicates 1-hour temporary gypsum walls and doors as required for access; VA may amend these requirements on case-by-case basis. |
| Q43 | Are HEPA carts sufficient for any above-ceiling work in corridors? |
| A43 | Yes, asuming that all open ceiling is contain within the HEPA cart |
| Q44 | Please confirm, are all new power circuits to be removed and replaced? |
| A44 | Design intent is to demolish existing mechanical systems throughout areas of scope and reuse power circuits as possible. Where a greater quantity of circuits are required in the new work, new circuits shall be pulled from nearby electrical panels with spare capacity as indicated on the elctrical drawings. |
| Q45 | Please confirm, are all panelboards existing with spare capacity? Will the contractor be required to provide any new panels? |
| A45 | Refer to A44. |
| Q46 | Can one contractor perform both the controls work as well as integration, or must these be two separate contractors? |
| A46 | Spur does not see an issue with this - up to the bidding contractors how they want to write their scopes. |
| Q47 | Is it the responsibility of the contractor to hire the CxA for commissioning of the new upgrades? |
| A47 | Reference spec 23 05 93. |
| Q48 | Is the contractor required to provide an on-site SIOR to oversee inspections? |
| A48 | Contractor is not required to provide a third party SIOR for this project. |
| Q49 | Is the contractor responsible for hiring a 3rd party firestopping inspector as part of this project? |
| A49 | Reference spec 01 45 29 Third-party inspection responsibilities indicated in 07 84 00 FIRETOPPING, to be added by addenda. |
| Q50 | With the project work areas spanning throughout various buildings / areas at each facility, what should the contractor anticipate as far as phasing constraints when moving throughout the work areas? |
| A50 | Phasing plan not part of design. |
| Q51 | For bidding purposes, approximately how many rooms / work areas should the contractor anticipate having access to at a time? |
| A51 | Phasing plan not part of design. |
| Q52 | Will the contractor be required to complete all work in each work area and obtain VA approval prior to moving on to the next area? |
| A52 | Typically yes. However, exceptions may be approved by the VA on a case by case basis. |
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