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A1.2 Existing Lightning Protection. System Scope of Work Clarification - All Roof Areas except for Roof <br />Areas 4A & 4B: <br />Delete items 1.3 and 2.4 from the project scope of work, and replace with the following scope of <br />work: At all roof areas except roof areas 4A and 4B, remove all lightning protection components <br />from the existing roofing assemblies per project demolition criteria. Lightning protection <br />components include but are not limited to; main roof conductors, down conductors, air terminals, <br />ground rods, bonding devices, Jasteners, cables and cable accessories. All lightning protection <br />component penetrations through the parapet walls and roof decks are to be capped with a 16 gauge <br />galvanized steel plate secured to the building structure prior to new roof component installation. <br />After removal of roof mounted equipment air terminals, Patch all holes in roof mounted equipment <br />with 20 gauge stainless steel flat stock with hemmed edges. Set stainless steel flat stock patch in a <br />full bed of urethanes sealant. Secure with stainless steel #12 sheet metal screws with EPDM <br />washers at 4" O.C. <br />*************This Addendum must be acknowledged on the bid form and/or by return of this <br />Acknowledgement with your Bid************ <br />Company Name <br />Name: l l�► I�fLS� t _ Title: I c e,`f'(��°•cSj QUI <br />(Type / Printed) <br />Authorized Signature: <br />Date: `'2 Z'l(? <br />LJ <br />Telephone: % / ` °Y%J _ / Email: <br />Page 2 of 2 <br />PABids\2017-2018 FY (2018000)\2018021 Jail Roof Replacement\Drafts\Addendum 1\Addendum 1 -Jail Roof.docx <br />