ESBD_472042_1765839072749_Addendum NO. 1 - Bid NO. 26-04 SBR Pre-Selection Proposal Request - N.B. Davidson.pdf
PDF 151 KB Posted
- Attached to
- RFP 26-04 N. B. Davidson Wastewater Treatment Plant Expansion and Improvements, SBR Pre-Selection
- Solicitation number
- RFP26-04
- Issued by
- Van Zandt County, Houston City, Texas
About this file
This is Addendum No. 1 to Bid No. 26-04, issued by the City of Huntsville, Texas, for the N.B. Davidson Wastewater Treatment Plant Expansion and Improvements project involving Sequencing Batch Reactor (SBR) equipment manufacturing and supply. The addendum was issued on December 15, 2025, and supersedes certain provisions in the original contract documents. The original bid closing date is January 13, 2025, at 2:00 p.m. Central Standard Time, with construction anticipated to commence in May 2026. Respondents are required to acknowledge receipt of this addendum and submit it with their bid packets, with failure to do so resulting in disqualification. The addendum contains ten questions and answers addressing clarifications on project specifications, including manufacturer approvals, prevailing wage requirements, equipment warranty scope, control system specifications, and integration of variable frequency drives for BABA compliance.
Key clarifications provided include confirmation that no union requirements apply to the project, Flygt is an acceptable manufacturer for dry-pit jet motive pumps, blower manufacturers may integrate VFDs into their equipment to meet BABA compliance, and SBR equipment warranties must be inclusive of labor costs. The City requires further input on whether general construction conditions or procurement conditions apply to the SBR manufacturer scope, the acceptability of an alternative Rockwell Automation PLC system, and the provision of certain instrumentation specifications that will be included in a subsequent addendum. The estimated value for SBR equipment is $2,550,000. Disk filters are identified as part of the overall project but are not included in this SBR manufacturer proposal scope. Contact information for the procurement manager, Lucy Gonzalez, CTCD Procurement Manager, is provided for submission inquiries.
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Text version
Page 1 of 2 Bid # 26-04
ADDENDUM #1
Title Bid Number Closing Date Issued Date
N.B. Davidson Wastewater
Treatment Plant Expansion and Improvements, SBR Pre-
Selection
26-04
January 13, 2025, at 2:00 P.M.
Central Standard Time
December 15, 2025
TO ALL PROSPECTIVE BIDDERS:
The information contained in this Addendum supersedes information contained in the Contract Documents to the extent indicated. All information contained in the Contract Documents remain in full force and effect unless specifically modified herein. All Respondents shall acknowledge the receipt of the Addendum in the space provided on this Addendum Form and submit this form with your bid packet. Failure to do so will result in Respondent disqualification.
The attention of all prospective Respondents is directed to the following modifications for the above referenced project.
Questions and Answers Question No. 1: What is the start date for construction?
Answer: Construction NTP is anticipated for May 2026
Question No. 2: What is the estimated value for this project?
Answer: Estimated value for SBR equipment is $2.55M as indicated in the bid documents.
Question No. 3: Are there union requirements for this project?
Answer: No union requirements for this project.
Question No. 4: Do you have a copy of the plan holders list?
Answer: No plan holders list available.
Question No. 5: Can Flygt please be added as an approved manufacturer for the dry-pit jet motive pumps?
Section 43 25 13.01
Answer: Flygt is an acceptable manufacturer for the dry-pit jet motive pumps.
Question No. 6: Can you please confirm that the general conditions for the construction contract (C-700) are not applicable to the bidding SBR manufacturer? Should P-700 (General conditions for procurement) be included in the bid documents instead?
Answer: Need City input. This seems reasonable since SBR manufacturer is not constructing anything as part of this contract.
City of Huntsville
448 State Highway 75 N
Huntsville, TX 77320
Lucy Gonzalez, CTCD
Procurement Manager
Telephone: (936) 291-5495
Email: purchasing@huntsvilletx.gov mailto:purchasing@huntsvilletx.gov
Page 2 of 2 Bid # 26-04
Question No. 7: Per Section 43 11 30, blower VFDs are to be provided by others. In order to meet BABA compliance requirements, one or more blower vendors may need to integrate VFDs into their blowers, would it be allowable to include VFDs in the SBR scope if needed to meet BABA compliance requirements.
Answer: It is acceptable for the blower manufacturer to integrate VFDs into their blowers.
Question No. 8: Section 46 53 61 Sequencing Batch Reactor (SBR) Equipment Section 00 EICDC 18.21
Prevailing Wages states that warranties shall be labor inclusive. However, Section 01 07 00 – Execution and Closeout Requirements 1.16.B does not mention equipment warranties needed to be labor inclusive.
Please confirm the warranty requirements as they apply to the SBR system equipment manufacture.
Answer: SBR Equipment warranties is inclusive of labor cost required to fulfill their warranty.
Question No. 9: Section 46 53 61 Sequencing Batch Reactor (SBR) Equipment Please note that 2.6.J and
2.6.K. reference sections 40 70 00 – Instrumentation for Process Systems and 40 72 10 – Instruments
Pressure Type Level Maters, which have not been included it the published documents. Please provide a copy of these sections for review, or remove the reference.
Answer: These specifications will be provided as an addendum.
Question No. 10: Section 01 10 00 Summary of Work 1.3.H refers to Disk Filters being included in the specification. Please confirm if disk filters are included in the project and provide technical specification for the equipment, or remove the reference.
Answer: Disk filters are part of the overall project and that information was included for reference only.
Disk filters are not to be provided as part of this proposal.
Question No. 11: Section 40 63 43 Programmable Logic Controllers 2.3.B. says that the Rockwell
Automation CompactLogix 5380 is the only approved PLC system. In order for the control panel to be
BABA complaint, Aqua-Aerobic Systems would like to use ControlLogix 1756. Please confirm that this
PLC system is acceptable.
Answer: Need City input. The requested PLC is technically acceptable and meets the BABA requirements of the project however, the City has stated that they prefer the specified PLC. LAN will reach out to
Dakota and Brent Slott.
Please include signed copy of Addendum with submitted Solicitation Packet.
Responder Name: ____________________________________________________________________
Address: ___________________________________________________________________________
Telephone Number: ________________________ ________________________________
Printed Name of Contact
Fax Number: _____________________________
Email Address: ____________________________ ________________________________
Authorized Signature
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