ntb2316paran00004ad2.pdf

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AECOM

112 E Pecan, Suite 400

San Antonio, TX 78205

Nov 28, 2023

Re: ADDENDUM #1 - Notice to bidders:

Reference to TxDOT CSJ No. 2316PARAN.

Addendum #2 is issued to address additional questions received prior to 2:00PM Central Nov 22nd, 2023.

Question: Can you please clarify the rate of Prime Oil application? The bid form states 14,107 Gal but at 26,612 SY this is a rate of 0.53 gal/sy which seems very high.

Response: Bid per Contract documents. Application rate and quantity will be confirmed during submittal process based on approved product.

Question: Please clarify which type of triaxial geogrid that is being specified? Also, will they be accepting alternates, or do they intend to sole source this material?

Response: Ref Addendum #1

Question: Does phasing need to be completed before the subsequent phase can start? It was mentioned at the pre bid that construction between the phases could happen concurrently. The Phasing and Safety Plan states it is required to complete the prior phase to completion before starting the next phase. Please clarify.

Response: Awarded Contractor may submit an alternate schedule at the pre-construction meeting.

Question: Will there be a water source on site at no cost to the contractor?

Response: Construction water will be sourced form a metered Fire Hydrant, Contractor to coordinate for location and installation of the construction meter.

Question: The bid form shows a quantity of 27 SY for the 4” concrete rip rap. The plans suggest the quantity should be closer to 67 SY.

Response: Quantity shall be updated in the quantities table to 67SY to account for both culverts. Bid form is revised with this Add #2

Question: Could you please clarify that the SWPPP plan is the responsibility of the contractor.

Response: Final SWPPP is to be completed by the Contractor.

Question: The updated bid form released after addendum one is showing a blank in the qty column for the following bid items; TxDot 246, TxDot340 or SS 3076, T-901-5.1, T-908-5.1.

Response: Bid form is revised with this Add #2

Question: Will excess material from earthwork operations remain onsite or will the material need to be disposed offsite?

Response: Materials will remain onsite, coordinate with Airport Manager for final location.

Question: Shouldn’t the Geogrid quantity match the flexbase quantity?

Response: Bid per Contract documents. Quantity will be confirmed during submittal process based on approved product for Measurement and Payment.

Question: There are 2 items with Zero quantity – Relocate Sign Panel and Relocate Precast Light Base. Should these items be removed from the bid form? If not do we have to enter a bid price?

Response: Please provide unit price for incidental relocation. No quantity is anticipated at this time.

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Question: We are need of the aircraft load to use for the design of pipe and RCB. We need the max takeoff weight of the design aircraft and the gear footprint of that aircraft.

Response: FAA Airplane Design Group (ADG) A/B- II

Question: The Papi Units listed on the plans as a single channel Papi, The specifications do not have a designation. Are the Papi Systems Single Channel or LED?

Response: The PAPI units are specified as single channel units with stainless steel enclosures or approved equivalent. LED PAPI units were not specified due to cost; however, LED would be considered depending on cost/budget.

Question: Will the Papi Units Require Baffles?

Response: Baffles are not required.

• Bid date remains Dec 5th, 2023 – Bid time and location remain unchanged.

Steven Real, P.E.

Project Manager

C 512.217.9094

Steven.Real@aecom.com reals Image