Lift Station No. 6 to serve Jasmine Heights South within Northwest Harris County Municipal Utility District No. 12

INVITATION TO BIDDERS Sealed Bids addressed to D.R. Horton – Texas, Ltd. on behalf of Northwest Harris County Municipal Utility District No. 12 , Attention Mary Joan Sullivan, President, Board of Directors, will be received at the office of DCCM, 1080 Eldridge Parkway, Suite 600, Houston, Texas 77077, until 1:00 p.m. Local Time, Thursday, September 17, 2026, and then publicly opened and read for “Lift Station No. 6 to serve Jasmine Heights South within Northwest Harris County Municipal Utility District No. 12 for Harris County, Texas.” In addition to the opening of sealed Bids at the address above, you may view the public opening of sealed Bids via Microsoft Teams. To join via Microsoft Teams or dial in 1 469-998-7559, Phone Conference ID: 787760976# . Scope of Work of the Contract Documents includes the following: Construction of Lift Station Bids received after the closing time will be returned unopened. A MANDATORY pre-bid conference will be held via Microsoft Teams or dial in 1 469-998-7559, Phone Conference ID: 57822224#, on Wednesday, September 9, 2026, at 10:00 am. Local Time. Attendance by each prospective bidder or its representative at the pre-bid conference is MANDATORY , and no Bid will be opened unless the bidder or representative was present at the pre-bid conference. Each Bid must be accompanied by a Bid bond or a certified or cashier’s check, acceptable to the Owner, in an amount not less than two percent (2%) of the total amount Bid, as a guarantee that the successful bidder will enter into the Contract Documents and execute the Bonds on the forms provided and provide the required insurance certificates and Bonds within seven (7) days after the date Contract Documents are received by the successful bidder. If a certified or cashier’s check is provided, the successful bidder shall deliver, at the bid opening address, the original certified or cashier’s check within one (1) business day of receipt of the bid opening. By submitting a Bid, Bidder acknowledges and agrees that the Contract Documents may be accepted, executed, or agreed to using an Electronic Signature, as defined by and in accordance with Owner’s Electronic Signature Rules for Construction Contracts. Copies of the bidding documents may be reviewed and obtained from www.CivcastUSA.com . Bidders must register on this website in order to view and/or download specifications, plans, soils report, and environmental reports for this Project. There is NO charge to view or download documents. The Owner reserves the right to reject any or all Bids and to waive all defects and irregularities in bidding or bidding process except the time for submitting a Bid. The successful bidder, if any, will be the responsible bidder, which in the Board’s judgment will be most advantageous to the District and result in the best and most economical completion of the Project. The requirements of Subchapter J, Chapter 552, Government Code, may apply to this Bid and the bidder agrees that the Contract Documents can be terminated if the bidder knowingly or intentionally fails to comply with a requirement of that subchapter.

Owner: D.R. Horton – Texas, Ltd. on behalf of Northwest Harris County Municipal Utility District No. 12 · Advertised by: DCCM / R.G. Miller Engineers, Inc. · Project number: 3429.801 · Location: Harris County, TX

Bids are due Thursday, September 24, 2026 at 1:00 PM CDT, the office of DCCM, 1080 Eldridge Parkway, Suite 600, Houston, Texas 77077.

Sealed Bids addressed to D.R. Horton – Texas, Ltd. on behalf of Northwest Harris County Municipal Utility District No. 12, Attention Mary Joan Sullivan, President, Board of Directors, will be received at the office of DCCM, 1080 Eldridge Parkway, Suite 600, Houston, Texas 77077, until 1:00 p.m. Local Time, Thursday, September 17, 2026, and then publicly opened and read for “Lift Station No. 6 to serve Jasmine Heights South within Northwest Harris County Municipal Utility District No. 12 for Harris County, Texas.” In addition to the opening of sealed Bids at the address above, you may view the public opening of sealed Bids via Microsoft Teams. To join via Microsoft Teams or dial in 1 469-998-7559, Phone Conference ID: 787760976#.

A mandatory pre-bid meeting is set for Wednesday, September 9, 2026 at 10:00 AM CDT, via Microsoft Teams or dial in 1 469-998-7559, Phone Conference ID: 57822224#,.

A MANDATORY pre-bid conference will be held via Microsoft Teams or dial in 1 469-998-7559, Phone Conference ID: 57822224#, on Wednesday, September 9, 2026, at 10:00 am. Local Time. Attendance by each prospective bidder or its representative at the pre-bid conference is MANDATORY, and no Bid will be opened unless the bidder or representative was present at the pre-bid conference.

Questions close Tuesday, September 22, 2026 at 1:00 PM CDT.

7 documents (plans, specifications and addenda) are posted on CIVCAST at https://app.civcast.com/bid-opportunities/projects/6a9ade953e71a03fa72b05da, where bidders also register as plan holders.