Central Bidding - city of mandeville new bid date INVITATION TO BID_ WWTP PAA DISINFECTION_ CITY PROJECT NO._ 212.26.002_ A_E PROJECT NO. 22R00009.72 (83905996).pdf

PDF 229 KB Posted Sep 30, 2026

Attached to: NEW BID DATE - Wastewater Treatment Plant PAA Disinfection
Solicitation number: 212.26.002 (new bid date)
Issued by: Washington Parish, Louisiana

About this file

Written by GovTribe AI · Oct 22, 2026

This is an Invitation to Bid document issued by the City of Mandeville, Louisiana for a wastewater treatment plant (WWTP) disinfection system project. The work consists of installing a new peracetic acid (PAA) disinfection system, removing and replacing concrete roadway, and performing miscellaneous appurtenant work at the City of Mandeville WWTP (City Project No. 212.26.002, A/E Project No. 22R00009.72). Per Addendum 1 issued October 7, 2026, sealed bids will be received until 11:00 A.M. local time on Wednesday, November 4, 2026 at City Hall, 3101 East Causeway Approach, Mandeville, LA 70448, with bids to be publicly opened and read aloud in the City Council Chambers thereafter. A non-mandatory pre-bid conference is scheduled for Thursday, October 15, 2026 at 10:00 A.M. at the Department of Public Works, 1100 Mandeville High Boulevard. Written questions and comments must be submitted by 4:00 P.M. local time on October 21, 2026. Contract documents are available for inspection at the Department of Public Works Director's Office and may be obtained from Digital Engineering, Inc. (3500 U.S. 190, Suite 201, Mandeville, LA 70471; 985-334-4131) for a non-refundable fee of $100.00 per set, refundable to bona fide bidders returning documents in good condition within ten days after bid opening.

Each bid must be accompanied by bid security in the form of a certified check, cashier's check, or bid bond equal to at least five percent of the total bid amount, payable to the Owner. Electronic bids may be submitted through Central Bidding (www.centralbidding.com or 225-810-4814) or the City of Mandeville's Beacon Bid platform (www.beaconbid.com). Bids may be submitted in duplicate, with duplicate copies permitted as photocopies. The contract may be fully or partially funded by the FEMA Public Assistance program, and all applicable federal contract clauses and provisions will apply. The deadline for the Architect/Engineer to issue addenda is Thursday, October 29, 2026, per Louisiana Revised Statute 38:2212(O)(2)(a). Advertising for this bid was published in the St. Tammany Farmer on September 30, October 7, and October 23, 2026. Louisiana contractor's license number is required on bid envelopes.

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Central Bidding - city of madeville INVITATION TO BID_ WWTP PAA DISINFECTION_ CITY PROJECT NO._ 212.26.002_ A_E PROJECT NO. 22R00009.72 (83905996).pdf	PDF	Sep 30, 2026

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INVITATION TO BID: WWTP PAA DISINFECTION, CITY PROJECT NO.: 212.26.002, A/E PROJECT

NO. 22R00009.72

Louisiana > City of Mandeville Sealed Bid: 83905996

Listing Information/Advertisement

SEE REVISED SCHEDULE PER ADDENDUM 1 ISSUED 10-07-2026

CHANGES TO THE BIDDING DOCUMENTS / SPECIFICATIONS:

1. SECTION 00010 – INVITATION TO BID (Page 00100-1)

• First Paragraph:

o DELETE: "Sealed bids will be received until the hour of 11:00 A.M., local time, Wednesday, October 28, 2026..."

o REPLACE WITH: "Sealed bids will be received until the hour of 11:00 A.M., local time, Wednesday, November 4, 2026..."

o DELETE: "...publicly read aloud after 11:00 A.M. in the City Council Chambers..."

o REPLACE WITH: "...publicly read aloud after 11:00 A.M. in the City Council Chambers..." (Time remains the same, date shifts to November 4, 2026).

• Third Paragraph (Pre-Bid Conference):

o DELETE: "A non-mandatory pre-bid conference will be held Wednesday, October 8, 2026; 10:00 A.M...."

o REPLACE WITH: "A non-mandatory pre-bid conference will be held Thursday, October 15, 2026; 10:00 A.M., at Mandeville’s Department of Public Works, 1100 Mandeville High Blvd. Mandeville, LA 70471;

(985-624-3169)."

• Fifth Paragraph (Questions Deadline):

o DELETE: "...no later than 4:00 P.M. Local Time October 14, 2026."

o REPLACE WITH: "...no later than 4:00 P.M. Local Time October 21, 2026."

•Eighth Paragraph (Outside Envelope Marking):

o DELETE: "Bid Due Date and Time: WEDNESDAY, OCTOBER 28, 2026; 11:00 A.M."

o REPLACE WITH: "Bid Due Date and Time: WEDNESDAY, NOVEMBER 4, 2026; 11:00 A.M."

2. SECTION 00200 – INSTRUCTIONS TO BIDDERS (Page 00200-2)

• Section 1.A.(8)(b) - Addenda Issuance:

o ADD THE FOLLOWING CLARIFICATION: "In accordance with LA-R.S. 38:2212(O)(2)(a), the deadline for the Architect/Engineer to issue Addenda answering questions or modifying the bid documents is Thursday, October 29, 2026."

INVITATION TO BID

CITY OF MANDEVILLE

Sealed bids will be received until the hour of 11:00 A.M., local time, Wednesday, October 28, 2026 in the office of the Purchasing Agent, City Hall, Mandeville, Louisiana, 3101 East Causeway Approach, Mandeville, LA 70448;

for furnishing all labor, materials, supervision, etc., and performing all work necessary to complete WWTP PAA DISINFECTION, CITY PROJECT NO.: 212.26.002, A/E PROJECT NO. 22R00009.72; for the City of Mandeville.

Bids will be opened and publicly read aloud after 11:00 A.M. in the City Council Chambers, City Hall, Mandeville, Louisiana. Any bids received after 11:00 A.M. will be returned unopened.

The work of this contract consists of installation of a new of a new PAA disinfection system, removal and replacement of concrete roadway, and miscellaneous appurtenant work at the City of Mandeville WWTP .

This contract may be fully or partially funded by the FEMA Public Assistance program. Refer to the Contract Documents, as amended, for the federal contract clauses and provisions applicable to this contract between the City and the contractor.

A non-mandatory pre-bid conference will be held Wednesday, October 8, 2026; 10:00 A.M., at Mandeville’s Department of Public Works, 1100 Mandeville High Blvd. Mandeville, LA 70471; (985-624-3169).

Drawings and Specifications are open for inspection at the Mandeville Department of Public Works Director’s Office, 1100 Mandeville High Blvd., Mandeville, LA, 70471; (985-624-3169). A complete set of Contract Documents may be secured from Digital Engineering, Inc. located at 3500 U.S. 190, Suite 201, Mandeville, LA 70471; (985-334-4131); by licensed Contractors upon payment of ONE HUNDRED dollars ($100.00) per set. This payment is refundable to bonafide bidders returning the Documents in good condition within ten (10) days after the Opening of Bids.

Questions and comments regarding this BID must be submitted in writing to City of Mandeville, Purchasing Agent, ATTN: RuthAnn Chadwick, 3101 E. Causeway Approach, Mandeville, LA 70448 or via e-mail to rchadwick@cityofmandeville.com (and cc: _jstein@deii.net_) no later than 4:00 P.M. Local Time October 14, 2026.

Please find bid related materials and place electronic bids at www.centralbidding.com. For questions relating to the electronic bidding process please call Central Bidding at (225) 810-4814. Alternatively, suppliers may download solicitation documents and submit electronic bids at no cost through the City of Mandeville’s new Beacon Bid platform. Procurement opportunities are accessible through the City's Bid Opportunities page:

https://www.cityofmandeville.com/finance/page/bid-opportunities. Suppliers may subscribe for updates and access opportunities at: https://www.beaconbid.com/solicitations/city-of-mandeville/register.

Each bid must be accompanied by a bid security in the form of certified check, cashier’s check, or Bid Bond as prescribed by LA RS 38:2218.A.C, in the amount equal to at least five percent (5%) of the total amount bid and payable without conditions to the Owner as a guarantee that the Bidder, if awarded the Contract, will promptly execute a Contract in accordance with his proposal and all terms and conditions of the Contract Documents.

The outside envelope in which the bid is placed must be clearly marked as follows:

Sealed Bid: PROJECT NAME: WWTP PAA DISINFECTION SYSTEM

CITY PROJECT NO.: 212.26.002

A/E PROJECT NO.: 22R00009.72

Bid Due Date and Time: WEDNESDAY, OCTOBER 28, 2026; 11:00 A.M.

INCLUDE: CONTRACTOR’S NAME, ADDRESS, AND

LOUISIANA CONTRACTOR’S LICENSE NUMBER

It is requested, but not mandatory, that the entire bid package be submitted in duplicate. Duplicate copy can be a photocopy.

All applicable laws, ordinances, and the rules and regulations of all authorities having jurisdiction over construction of the project shall apply to the Contract throughout.

Mayor Clay Madden City of Mandeville

St Tammany Farmer: 3xs: September 30, and October 7, 23, 2026

Creator Username: COMRC

Bidding Privacy: Bid encryption

Started: 30-Sep-2026 12:00:00 AM CDT

Ends: 04-Nov-2026 11:00:00 AM CST ( 18d, 23h+ )

History: 289 Views

Event Status: Event open for bids

Actions: Place a Bid:

Visitors: Visitors/Central Bidding Plan Holders

SPEC WWTP_PAA_DISINFECTION_SYSTEM_Specs_Final.pdf (2.7 MB)

WWTP_PAA_DISINFECTION_SYSTEM_Plans_Final.pdf (9.4 MB) final_Addendum No 1 10-07-26.pdf (232.8 KB)

City of Mandeville 2 Construction: Public Works 66 Earthwork 80 Construction: Civil 66 Pipe, Plumbing, Valves, Culverts 56 Inspection, Testing 6 Water, Sewer, Drainage 30

Pumps, Pump Stations, Pump Parts 10 Control Systems 7 Electrical, Lighting 52 Medical Supplies, Services 2

All updates/changes are listed below::

07-Oct-2026 12:05:52 PM CDT

Addendum No. 1

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