ADDENDUM NO. 1. DEVINE MUNICIPAL AIRPORT APRON, RUNWAY, AND TAXIWAY PAVEMENT REHABILITATION TxDOT CSJ NO. 1715DVINE DEVINE, TEXAS

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1 ADDENDUM NO. 1 TO: ALL PLAN HOLDERS DATE: February 12, 2019 PROJECT: DEVINE MUNICIPAL AIRPORT APRON, RUNWAY, AND TAXIWAY PAVEMENT REHABILITATION TxDOT CSJ NO. 1715DVINE DEVINE, TEXAS The Specifications and Contract Documents are modified as described below. All bidders shall acknowledge receipt of this and all other addenda on page 6 of 7 of the revised Bid Form titled issued with this addendum. This addendum becomes a part of the contract documents. All provisions of the original plans, specifications, and contract documents shall remain in full force and effect, except as modified by this addendum. : 1. A non-mandatory pre-bid meeting was held on January 30, The pre-bid agenda and sign-in sheet are attached. ADDENDUM NO. 1 ISSUED BY: KSA Grayson Cox, P.E., Project Manager gcox@ksaeng.com Attachments 1715DVINE Pre-Bid Agenda (3 pages) 1715DVINE Sign-in Sheets (1 page)

2 Airport: Devine Municipal Airport Date: Wednesday, January 30, 2019 Project: Apron, Runway, and Taxiway Rehabilitation Organizer: Grayson Cox KSA Project No.: DEV.005 Client Project No.: 1715DVINE I. Sign In Sheet II. III. Introductions and Roles A. Vickie Pumphrey, Airport Manager, Airport B. Steve Harp, P.E., Project Manager, TxDOT Aviation C. Grayson Cox, P.E., Project Manager, KSA D. Michael Shangreaux, E.I.T., Design Engineer, KSA Bidding Procedures A. See Notice to Bidders and Instructions to Bidders section in Contract Documents for bidding information. B. All bidders are encouraged to review all contract documents including Mandatory Federal Contract Provisions, TxDOT General Provisions, Special Provisions, and Specifications. C. Technical questions/comments should be submitted to Michael Shangreaux, E.I.T., ) by Friday, February 15, 2019, at 4:00p. Questions must be in writing and received prior to date mentioned. D. For other information visit the Aviation website or call Anna Ramirez at E. Sealed bids for the construction of airport improvements at the Devine Municipal Airport are due to be delivered to Dora Rodriguez, City of Devine, 303 South Teel Drive, Devine, TX, on Wednesday, February 20, 2019, at 2:00p. At that time, bids will be publicly opened and read aloud. Any bid received after closing time will be returned unopened. F. Bid Proposal 1. Bidders must utilize the bid proposal form provided on TxDOT s website. 2. Bidders must provide pricing for both Base Bids and Additive Alternates. The contract award will be based on the lowest qualified bid plus any combinations of alternates. G. Each bid should be furnished with a Bidder Qualifications as stated in the Contract Documents. H. Bidder shall reference the Aviation Division General Construction Contract Provisions I. Contract will be awarded within 60 calendar days from bid opening. J. Federally funded project 1. DBE Goal is 7%. Questions regarding DBE Goal and Good Faith Efforts should be directed to Anna Ramirez at DBE Plan MUST be submitted within 5 calendar days after bid opening to TxDOT Aviation via to AVNRFQ@txdot.gov. 2. Wage rate requirements will be required as shown in the Contract Documents. 3. Buy American Steel and Manufactured Products for Construction Contracts (See Special Notice to Bidders).

3 Page 2 of 3 January 30, 2019 IV. Scope of Work A. Base Bid B. Alternate 1 C. Alternate 2 D. Alternate 3 1. Crack Seal Airport Pavement 2. Apply P-631 Seal Coat 3. Apply pavement markings 1. Remove Existing Rotating Beacon and Tower 2. Install Tip-down Pole Beacon Tower and Foundation 3. Install Rotating Beacon. 1. Install Trench Drain and Headwall 2. Re-establish ditch line 3. Clean out Existing Culverts V. Site Access / Staging Areas VI. VII. 4. Install 12 RCP and SET s under Airport entrance road. 1. Install 7 reinforced concrete pavement A. Site Access and Staging Area 1. See Plan Sheet 09 for Staging Area Safety and Phasing Plan A. Contractor will be required to be in compliance with FAA Advisory Circular 150/5370-2F, Operational Safety on Airports During Construction. B. Phase 1 C. Phase 2 D. Phase 3 Other Information 1. Alternate 1 Remove and replace rotating beacon and tower 2. Alternate 2 Install 12 trench drain and make drainage improvements 3. Alternate 3 Install 7 reinforced concrete pavement 4. Barricades and Closure Marking detail 1. Crack seal and apply P-631 seal coat on Airfield pavement 2. Barricades and Closure Marking detail 1. Apply Pavement Markings 2. Barricades and Closure Marking detail A. Contract Time 1. _45_ Calendar days for Base Bid and Alternates. No extra time given for alternates.

4 Page 3 of 3 January 30, Liquidated Damages are $1,000 per calendar day B. RPR Office (as required per Specification KSA-100) C. Materials Acceptance by Owner / Materials Quality Control by Contractor D. Protection of any existing utilities in the project area is the responsibility of the Contractor. Engineer has endeavored to show all known utilities within the Contract documents, but this shall not relieve the Contractor from full responsibility in anticipating all underground obstruction, whether or not shown on the plans; Contractor should call for utility locates and verify locations of all utilities prior to starting construction. E. SW3P Contractor Responsibility F. Engineer s estimate including alternates is $447, Notes:

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