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Indian River County Purchasing Division <br />purchasing@ircgov.com <br />ADDENDUM NO. 3 <br />Issue Date: January 18, 2019 <br />Project Name: North County RO Plant Roof Replacement (IRC -1802) <br />Bid Number: 2019031 <br />Bid Opening Date: January 23, 2019 <br />This addendum is being released to revise the specifications and answer questions received to date. The <br />information and documents contained in this addendum are hereby incorporated in the invitation to <br />bid. This addendum must be acknowledged where indicated on the bid form, or the bid will be declared <br />non-responsive. <br />Attachment: <br />Revised Specifications Addendum 3 <br />Questions and Answers <br />1. ROOFS A, B, & C ARE TO GET A BASE LAYER OF 1.5" ISO AND 1/2" DENS DECK PRIME CORRECT? <br />This is a correct interpretation of the specification. Please reference the specification for listed <br />material grades and classes included with the original bid documents. <br />2. <br />3. <br />ROOF AREAS D & E ARE TO GET 7/4"/FT. TAPERED 150 WITH AN MINIMUM STARTING THICKNESS OF <br />4" INCLUDING THE TAPERED ISO AND THEN A W' DENS DECK PRIME CORRECT? <br />Please reference the attached Revised Specifications Addendum 3 from REI Engineers, Inc. which <br />clarifies insulation requirements. <br />ROOF AREA F IS TO GET 1.5" WWI. TAPERED ISO WITH A MINIMUM STARTING THICKNESS OF 1.5" <br />INCLUDING THE TAPERED ISO AND A THEN A Y2" DENS DECK PRIME CORRECT? THE SPEC SECTIONS <br />SAYS 1.5" MAXIMUM THICKNESS FOR ROOF AREA F BUT IT ALSO STATES 1/4"/FT. TAPERED ISO. <br />Please reference the attached Revised Specifications — Addendum 3 from REI Engineers, Inc. which <br />clarifies insulation. requirements. <br />WE ARE TO USE A FLEECE BACK MEMBRANE FULLY ADHERED CORRECT? THE SPEC SECTION SAYS <br />4. <br />FELT BACK MEMBRANE. <br />Both membrane backings are acceptable. Membrane backing terminology is manufacturer <br />dependent. <br />5. We would like to submit Duro-last, for your consideration to be used as an equal or better per <br />