ESBD_File_342809_RFB 43-07-1311 Enviro Lab Addendum #2 final.pdf
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- Attached to
- RFB #43-07-1311 Environmental Laboratory Complex
- Solicitation number
- 43-07-1311
- Issued by
- Mclennan County, Waco City, Texas
About this file
This document is Addendum No. 2 for Request for Bid (RFB) No. 43-07-1311 for the Environmental Laboratory Complex project issued by the Brazos River Authority. The addendum provides clarifications related to the project, including that spaces labeled as "Future" on the plans shall be finished out by the contractor, updated contact information for the ONCOR utility representative, and deletion of certain gas and water service fittings and fixtures specifications in lieu of referencing the plumbing plans. Additionally, the addendum addresses questions received from bidders regarding stainless steel corner guards, casework and benches for future lab spaces, and emergency power backup for certain fixtures.
The project involves the construction of a new Environmental Services Laboratory and Enclosed Boat Storage facility in McLennan County and the City of Waco, Texas. The addendum does not appear to provide any information about the bid due date, award date, contract term, or pricing terms. There are also no details provided regarding any set-asides, incumbents, funding requirements, or other salient commercial information.
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Text version
Addendum No. 2
Brazos River Authority
January 4, 2024
Addendum No. 2 Environmental Laboratory Complex
RFB No. 43-07-1311
It is the responsibility of the Respondent to assure and guarantee by acknowledging the receipt of this Addendum in the Bid that the Respondent has received the Addendum in its entirety, and that the Respondent accepts all conditions contained herein.
Please review the following page.
Clarifications
Regards, Bryan Gray Purchasing Manager
Brazos River Authority January 4, 2024 Environmental Laboratory Complex
Environmental Laboratory Complex Addendum 2 RFB No. 43-07-1311
BID ADDENDUM 2
A. Clarifications
1. Spaces labeled as “Future” shown in the plans shall be finished out by the Contractor.
2. BRA’s ONCOR contact has changed from David Haskovec, as noted in the plans, to the current contact at ONCOR that serves BRA as of now Jason Bouvier at 254-770-6232. This contact information is provided as a courtesy; however, the contractor is responsible to submit a new service request and coordinate requirements with utility per Section 26 05 00 to whoever is currently serving as ONCOR’s representative for new service requests.
3. Delete Section 12 35 53.13 Part 2.10.B – Gas Service Fittings and Fixtures and 2.10.C – Water Service Fittings and Fixtures in entirety. Refer to Plumbing Plans P002 for coordination with plumbing for specifications for fixtures and fittings provided by plumber.
M005 - HVAC Schedules: Lab Exhaust Fan Schedule model number on drawing shall be Strobic M48B60S200I6, or equivalent product from an approved manufacturer.
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| 1. Spaces labeled as “Future” shown in the plans shall be finished out by the Contractor. |
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| 2. BRA’s ONCOR contact has changed from David Haskovec, as noted in the plans, to the current contact at ONCOR that serves BRA as now Jason Bouvier at 254-770-6232. This contact information is provided as a courtesy; however, the contractor is respons... |
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| 3. Delete Section 12 35 53.13 Part 2.10.B – Gas Service Fittings and Fixtures and 2.10.C – Water Service Fittings and Fixtures in entirety. Refer to Plumbing Plans P002 for coordination with plumbing for specifications for fixtures and fittings provid... |
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| 4. M005 - HVAC Schedules: Lab Exhaust Fan Schedule model number on drawing shall be Strobic M48B60S200I6, or equivalent product from an approved manufacturer. |
| RFB 43-07-1311 Enviro Lab Addendum #2 final.pdf |
| Environmental Laboratory Complex |
| RFB No. 43-07-1311 |
| Regards, |
| Bryan Gray |
| RFB No. 43-07-1311 Addendum 2 January 4 2024.pdf |
| A. Response to questions |
| 1. Question: Architectural floor plan sheets show stainless steel corner protectors needed; however, the details in the drawings do not refer to corner protectors. What should be provided? |
| Response: Contractor shall provide stainless steel corner guards as shown on Architectural and Interior Plans and Sections – identified as CG-1. |
| 2. Question: Architectural floor plan sheets show future lab space. If casework and benches are detailed for those spaces, are those required to be included in the bid? |
| Response: Yes. Future lab spaces shown in the plans shall be finished out by the Contractor. |
| 3. Question: Who is the ONCOR contact for this project? |
| Response: David Haskovec, as noted in the plans, was coordinated with during design; however, the current BRA contact at ONCOR that serves BRA is now Jason Bouvier at 254-770-6232. Contractor is responsible to submit a new service request and coordina... |
| 4. Question: The intent of the hashed-out fixtures: The entire building is backed up by a generator, are these fixtures to also have battery backup? |
| Response: The generator is not an “Emergency” generator. It is a standby generator to provide backup power for building loads and process loads but it is not for life safety loads. Life safety systems cannot be powered from same transfer switch and ... |
| 5. Question: Is the UPS panel a separate panel to be fed from the UPS or is it to be incorporated in the UPS unit? |
| Response: As stated in Note 3 on E701 the PDU is intended to be integral to the UPS. |
| B. Project Manual |
| 1. On page 1 of section 123553.13 in part 1.01.S it refers to refinishing of existing cabinets. We do not find anywhere on the drawings (elevations, details, etc.) where this is indicated. Please confirm this does not apply to this project. |
| Response: Refinishing of existing cabinets does not apply to this project. |
| 2. On page 6 of section 123553.13 in parts 2.02.I.3, 5 & 6 it refers to quick connect fittings and hoses. We do not find anywhere on the drawings (elevations, details, etc.) where these types of fixtures are indicated. Also, we do not find any bench... |
| Response: The quick connect fittings apply to the ceiling service panels shown on the RCP A601. Per 2.02.I.4 spec service panels are to provide access for data electrical and service cutouts for hoses. These items do not apply to plumbing. |
| 3. On page 6 of section 123553.13 in part 2.03 it refers to adaptable laboratory furniture systems. We do not find anywhere on the drawings (elevations, details, etc.) where these types of units are indicated. Please confirm these are not included o... |
| Response: Adaptable laboratory furniture systems apply to the mobile work stations in rooms ‘Laboratory 101’ / ‘Future Lab 109’ / ‘TKN/TP 108’ / ‘Sample Drop-off Prep Vestibule 102’. |
| 4. On page 7 of section 123553.13 in part 2.06 it refers to ledges. We do not find anywhere on the drawings (elevations, details, etc.) where these are indicated. Please confirm this does not apply to this project. |
| Response: This does not apply to the project. |
| 5. On page 8 of section 123553.13 in part 2.07.A.5 it refers to splash guards. We do not find anywhere on the drawings (elevations, details, etc.) where these are indicated. Please confirm these are not included on this project. |
| Response: This does not apply to project. |
| 6. On page 8 of section 123553.13 in part 2.09 it refers to laboratory emergency equipment plumbing fixtures. It notes the recessed units are by the plumber but other styles of units are also listed (eyewashes, etc.). We do not find anywhere on the ... |
| Response: Laboratory emergency equipment plumbing fixtures are to be standalone Emergency Eye/Face/Body Shower units as specified in Section 22 40 00 – Plumbing Fixtures that are to be contractor furnished, contractor installed, not to be included in ... |
| 7. On page 9 of section 123553.13 in part 2.10 it refers to several different types of fixtures. We have only found hot and cold water fixtures called out at the epoxy sinks and do not find any of the other items on the drawings (floor plans, elevati... |
| Response: Drawings P401 and P703 shows DI water fixtures in addition to the hot/cold water sink fixtures. Delete Section 12 35 53.13 Part 2.10.B – Gas Service Fittings and Fixtures and 2.10.C – Water Service Fittings and Fixtures in entirety. Refer t... |
| 8. In relation to the fixtures above again on page 9 of section 123553.13 in part 2.10 it refers to two different types of finishes for the fixtures, “polished chrome with clear epoxy coating finish” or just “polished chrome finish”. Please confirm w... |
| Response: Delete Section 12 35 53.13 Part 2.10.B – Gas Service Fittings and Fixtures and 2.10.C – Water Service Fittings and Fixtures in entirety. Refer to Plumbing Plans P002 for coordination with plumbing for specifications for fixtures and fittings... |
| 9. Please confirm if the task lights below wall cabinets are to be included by the laboratory casework supplier or the electrician. On page10 of section 123553.13 in part 2.13.A it gives undercabinet task light information but on drawing sheet A559 i... |
| Response: Tasks lighting below wall cabinets are to be provided by electrical. Reference Electrical for locations. |
| 10. On page 11 of section 123553.13 in part 2.13.B it gives toespace grille information but we have not found any of them on the drawings (elevations, details, etc.) anywhere. Please confirm these are not included on this project. |
| Response: Toespace Grilles are not included in the project |
| C. Drawings changes as follows (no revised drawings attached): |
| 1. M005 HVAC Schedules |
| 1. Are you wanting to go with 20HP or 40HP for your fans? The model provided on the schedule is calling for 40HP but the schedule is stated 20HP. |
| Response: The correct model number is M48B60. The design intent is to have 100% redundant fans at 20 HP ea. |
| 2. There is a max airflow per fan basically twice. Once at 19,365 CFM and 32,229 CFM. So trying to find out which airflow? |
| Response: The airflow entering the fan is for 19,365 with the other airflow including the by-pass and entrainment airflows. |
| 3. I don’t want to assume but I believe the desire is for 20HP fans with an airflow of 19,365. |
| Response: This is correct |
| 4. When designing the exhaust system with the heat recovery I am wanting to verify the pressure drop for the HRU is in the 2.25 in w.g. shown on the fan schedule? |
| Response: Yes |
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