Addendum No. 1 (5).pdf

Quiddity Job No.

05530-0051-07 Page 1 of 1 Addendum No. 1

ADDENDUM NO. ONE (1)

to the

CONTRACT DOCUMENTS

for

CONSTRUCTION

of

8-INCH SANITARY SEWER EXTENSION

For

OHT KATY GAP, LP

ON BEHALF OF

HARRIS-FORT BEND COUNTIES MUNICIPAL UTILITY DISTRICT NO. 3

IN

CITY OF HOUSTON ETJ

HARRIS COUNTY, TEXAS

August 24, 2026

Addendum No. One (1) covers the following changes to the contract documents:

CONTRACT DOCUMENTS

Invitation to Bidders Replace Invitation to Bidders with the attached, revised Invitation to Bidders. Revised items are shown in BOLD TEXT. Changes to Invitation to Bidders are listed below:

o Revised Bid Date to Friday, September 11, 2026, at 10:30 a.m.

Instruction to Bidders Replace Instruction to Bidders with the attached, revised Instruction to Bidders. Revised items are shown in BOLD TEXT. Changes to Instruction to Bidders are listed below:

o Revised Bid Date to Friday, September 11, 2026, at 10:30 a.m.

Maria J. Ramirez, P.E.

END OF ADDENDUM NO. 1

8/24/26

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INVITATION TO BID

Sealed electronic bids, addressed to OHT Katy Gap, LP on behalf of Harris-Fort Bend Counties Municipal Utility

District. 3, will be received electronically until 10:30 a.m. local time, Friday, September 11, 2026, and then publicly opened and read for “Construction of 8-Inch Sanitary Sewer Extension.”

The project is located north of Kingsland Boulevard and west of State Highway 99 (Grand Parkway). To access the site, proceed west on Interstate 10 from Houston, then turn left on Grand Parkway southbound, head south for approximately 1.0 mile and turn right on Kingsland Boulevard.

For construction contracts $50,000 and over, the bidder shall submit a certified or cashier's check on a responsible bank in the State equal to two percent (2%) cashier’s check or five percent (5%) bid bond of the maximum total bid amount. Make the cashier's check or bid bonds payable to the Owner.

Plans, specifications, and bidding documents are available at www.civcastusa.com.

The bids will only be received electronically bid through CivcastUSA (www.civcastusa.com). The electronic bids will be publicly opened and read in the offices of Quiddity Engineering, LLC, 6330 West Loop South Suite 150, Bellaire, Texas 77401. Bids will also be opened and read via teleconference call. Below is the information to attend bid opening by teleconference. Physical bids will not be accepted.

The Owner reserves the right to reject any or all bids and waive any or all irregularities. No bid may be withdrawn until the expiration of ninety (90) days from the date bids are open.

Bid Opening / Construction of 8-Inch Sanitary Sewer Extension / 05530-0051-07

Friday, September 11, 2026, 10:30 AM – 11:00 AM (CDT)

Call Number: 832-856-3756

Access Code: 292 307 159#

Bids received after the closing time will be returned unopened. A NON-MANDATORY pre-bid conference will be held on Friday, August 21, 2026, at 10:30 a.m. local time, via teleconference call. Below is the contact information to attend the pre-bid by teleconference.

Pre-Bid / Construction of 8-Inch Sanitary Sewer Extension / 05530-0051-07

Friday, August 21, 2026, 10:30 AM – 11:00 AM (CDT)

Access Code: 338 998 126#

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INSTRUCTION TO BIDDERS

1.0 INVITATION

a. The Work. Bids are invited on a general contract for Construction of 8-Inch Sanitary Sewer Extension for

OHT Katy Gap, LP, on behalf of Harris-Fort Bend Counties MUD 3.

b. The Owner. c. The Operator.

OHT Katy Gap, LP on behalf of Inframark, LLC Harris-Fort Bend Counties 32259 Morton Rd.

Municipal Utility District No. 3 Brookshire, TX 77423

901 S. Mopac Expressway, BOP III, Suite 500 Attention: Mr. Bart Downum Austin, TX 78746 Telephone: (713) 395-3100

Attention: Mr. Steve Oden, Jr Telephone: (512) 813-7103

c. The Engineer.

Quiddity Engineering, LLC 6330 West Loop South, Suite 150 Bellaire, TX 77401 Attention: Ms. Maria J. Ramirez, PE Telephone: (713) 777-5337

2.0 RECEIPT OF BIDS

a. Sealed bids will be received electronically, until 10:30 a.m. local time, Friday, September 11, 2026. The bids will only be received electronically through CivcastUSA. The electronic bids will be publicly opened and read in the offices of Quiddity Engineering, LLC, 6330 West Loop South, Suite 150, Bellaire, Texas 77401. Bids will also be opened and read via teleconference call. Below is the contact information to attend the bid opening by teleconference. Physical bids will not be accepted.

Friday, September 11, 2026, 10:30 AM – 11:00 AM (CDT)

Access Code: 292 307 159#

b. There will be a pre-bid conference via teleconference call on Friday, August 21, 2026, at 10:30 a.m.

Attendance is not mandatory. Below is the contact information to attend the pre-bid by teleconference.

Friday, August 21, 2026, 10:30 AM – 11:00 AM (CDT)

Access Code: 338 998 126#

c. Bid opening will be held immediately after the time for receipt of bids has expired.

d. Bids will be opened publicly and read aloud. All interested parties are invited to attend.

3.0 BIDDING DOCUMENTS

a. Bidding documents include all documents available during the bidding period, including the instruction to bidders, contract forms, conditions of the contract, specifications, drawings and addenda, if any.

b. Bidders may purchase copies of the bidding documents at www.civcastusa.com.

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4.0 SEPARATED CONTRACT PROVISIONS

a. Contractor must abide by all state and local laws regulating sales tax exemption for work being performed for tax exempt entities. Provisions are provided in Section 5.03 of the Special Conditions.

b. Contractor is responsible for obtaining all permits required by the work at no additional cost to the Owner, except as may specifically be exempted in the Special Conditions.

5.0 EXAMINATION

a. Bidder shall carefully examine the bidding documents and the site to determine the actual conditions under which work will be done.

b. Data in the bidding documents pertaining to existing conditions is for convenience only and does not supplant obtaining firsthand information at the site.

c. Adjusting payments will not be authorized for work that could have been foreseen by a careful examination of the site.

d. Submission of a bid constitutes acceptance by the bidder of existing site conditions as a part of the requirements of this work.

6.0 COMPLETION TIME

a. The work shall be substantially completed within 45 calendar days from date of Notice to Proceed.

b. Submission of a bid constitutes acceptance by the bidder of the completion time as a part of the requirements of this work.

7.0 QUESTIONS

a. In ample time to permit consideration before reply, submit questions about bidding instruments to the

Engineer.

b. Necessary replies will be issued to bidders of record as addenda, which becomes a part of the bidding instruments. Oral instructions do not form a part of the bidding instruments.

c. Bidders should contact the Engineer not less than 72 hours before bid opening to secure any addenda that may affect bidding.

8.0 SUBMITTAL

a. Submit bids electronically through CivcastUSA. The electronic bids will be publicly opened and read via conference call. Physical bids will not be accepted.

b. Submit bid on the bid form provided. Fill in all blanks. If no amount is to be included, insert three zeros in the space. Include all unit cost items and all alternatives shown on the bid form; failure to comply may be cause for rejections. No segregated bids or assignments will be considered.

c. Do not alter the bid form with written memoranda or qualifications. Any explanation, alteration, or other statements proposed by the bidder must be written separately, signed independently, and included in the bid envelope. Bids may not be modified after submittal.

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d. Sign in longhand below the typed name of the person authorized to bind the bidder to a contract. When the bidder is a corporation, the bid must be signed with the legal name of the corporation followed by the name of the State of Incorporation and the legal signature of a person authorized to bind the corporation to a contract.

9.0 BID SECURITY

a. For construction contracts $50,000 and over, the bidder shall submit a certified or cashier's check on a responsible bank in the State equal to two percent (2%) cashier’s check or five percent (5%) bid bond of the maximum total bid. Make the cashier's check or bid bonds payable to the Owner.

b. The bid security will be forfeited to the Owner by the bidder as damages as default if the bidder fails to execute and deliver a contract and bonds as required.

10.0 PERFORMANCE BOND AND LABOR AND MATERIAL PAYMENT BOND

Bidder must be capable of executing a satisfactory performance bond and payment bond for 100 percent (100%) of the contract sum in accord with the conditions of the contract.

11.0 WITHDRAWAL

a. Bids may be withdrawn any time before bid opening but may not be resubmitted.

b. Bids may not be withdrawn or modified after bid opening time unless the award of the contract has been delayed more than 90 days.

12.0 QUALIFICATIONS OF BIDDERS

a. The Owner may make any investigations deemed necessary to determine the bidder's ability to perform the work. When requested, furnish such information and data necessary for this purpose.

b. The Owner reserves the right to reject any bid if evidence submitted by or investigation of the bidder indicate that the bidder is not properly qualified in the opinion of the Owner, to complete the work satisfactorily.

13.0 AWARD OF CONTRACT

The Owner is not obligated to accept the lowest bid or any bid. The Owner reserves the right to reject any or all bids and to waive any informalities in bids or in bidding. The Owner may accept any bid deemed advantageous. The contract award may include full consideration of unit prices and time of completion.

14.0 RETURN OF SIGNED CONTRACTS

By submitting a bid, the Contractor agrees to return signed contracts with proper bonds and insurance certificates within 14 calendar days after the Engineer has given the unsigned contracts to the Contractor. Should the Contractor fail to return properly executed contracts within 14 days, the Engineer may disqualify that Contractor and recommend that the Owner enter into contracts with the next highest bidder.

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