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Bid Number 2020029 <br />Addendum No. 3 <br />Page 3 of 3 <br />Question 10. Drawing Sheet R2- Building Code Summary states Ultimate Design Wind Speed 170 MPH. <br />Are the wind pressure listed !below that heading, the Ultimate Design Pressures? Or are the <br />wind pressures listed below that, the Nominal Design Pressures as that will make a <br />difference in the fastening patterns and ability to receive an NOA as far as I am aware of. <br />Architect's Response: <br />The wind pressures noted on the drawing are service load nominal wind pressures and <br />are not eligible for further reduction. Please reference addendum 03 which clarifies wind <br />pressure nominal status. <br />Question 11. Are the uplift calculations on the bottom of Roof Plan R2 ultimate or nominal? Can they be <br />factored by multiplying by .6? <br />Architect's Response: <br />The wind pressures noted on the drawing are service load nominal wind pressures and <br />are not eligible for further reduction. Please reference addendum 03 which clarifies wind <br />pressure nominal status. <br />Attachments: <br />1. Staging Area Map <br />2. Specification and Drawing Update for Addendum No. 3 memo and modifications, REI Engineers <br />3. Replace Specification Section "07 0150 Preparation for Reroofing" with attached "07 0150 Preparation for <br />Reroofing (Revision 1)" <br />4. Replace Specification Section "07 252 16 Modified Bitumen roofing" with attached "07 52 16 Preparation <br />for Modified Bitumen roofing (Revision 1)" <br />5. Replace Specification Section "Contract Drawing 111" with attached "Contract Drawing R1 (Revision No. 1)". <br />Contract drawing has been updated to clarify electrical conduit flashing requirements. <br />6. Replace Specification Section "Contract Drawing R2 (Revision No. 1)" with attached "Contract Drawing <br />R2 (Revision No. 2)". Contract drawing has been updated to clarify wind pressure designation. <br />7. Replace Specification Section "Contract Drawing D2" with attached "Contract Drawing D2 (Revision No. <br />1)". Contract drawing has been updated to clarify electrical conduit flashing requirements. <br />F:\Public Works\ENGINEERING DIVISION PROJECTS\1838 IRC Main Library Roof Rep1acement\1-Admin\8ids\8id Documents\Invitation To <br />Bid\Addendum\Bid2020029 IRC -1838 ADD -3 20200514.docx <br />