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Indian River County Purchasing Division purchasing@ircgov.com ADDENDUM NO. 6 Issue Date: February 12,,2021 Project Name: 66' Ave Widening (49th St to 69th St) — IRC -1505 Bid Number: 2021018 Bid Opening Date: Febpua y .17,,21 February 24, 2021 This addendum is being released to provide clarification, corrections, or change of the Bid Documents and modify the Bid Opening date. The information and documents contained in this addendum are hereby incorporated in the invitation to bid. This addendum must be acknowledged where indicated on the bid form, or the bid will be declared non-responsive. Questions and Answers ' 1. Are all waterways on this project considered Florida Outstanding waterways? i All waterways directly connect to an Outstanding Florida Waterway (Indian River Lagoon). Therefore, requirements of turbidity are subject to being treated as a Florida Outstanding Waterway. i 2. The bid quantity for this bridge is incorrect in addendum #3. 12450-88-15C and 12450-88-15D are called on the I bid sheets to be 15" thick deck units. These deck units are shown on the plan to be 18" deck units. This needs to be corrected. I Agreed, Itemized Bid Sheet has been corrected. 3. The specifications used for the bridges is 2015. These specifications for post tensioning are very elaborate and in the past contractors have not had to abide by the specs. The specs now call for certified grout installers under section 105 and the same for post tension installers. Will the county require this to be adhered to by the contractors? For this project you are looking at several hundreds of thousands of dollars additional for this work. Please confirm this is your intent because bidders are not aware of these post tension requirements. The question is ambiguous, therefore we are not able to provide a response. 4. As FPL power lines are not shown on the bridge plans and not indicated on the roadway plans at the bridges that FPL or Indian River County will be responsible for placing the lines outside of OSHA requirements in order to construct the bridges. We will need approximately 15' from the edge of every pick to the power lines. The crane boom sizes (5' wide) need to be taken into consideration in order to calculate the distance required to be outside of OSHA requirements.. The contractor has no way of telling any distances from the power lines to the edge of each bridge to know how close the power lines areas the plans do not indicate this. WE CANNOT BE