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DocuSign Envelope ID: EFCCA3A1-39F4-41F0-8437-A2B441065EFC <br /> ORANGE COUNTY <br /> CHANGE ORDER REQUE <br /> NORTH CAROLINA <br /> Date:June 27, 2019 Project: Phillip Nick Waters Emergency Services Building- Interior Walls Change <br /> Department: AMS Department Address: 131 W. Margaret Lane, Hillsborough, NC 27278 Project: Emergenc <br /> Remediation Contractor: Sasser Companies Contractor Address: PO Box Box 10, Whitsett, NC 27377 Effectiv( <br /> original contract: 3/20/19 <br /> This change order® increases ❑ decreases the contract time by 56 days. Check here if no impact to contract time ❑ <br /> Will this change order impact the date of substantial completion? ❑ Yes ❑ No. If yes,the amended date of sub <br /> completion is: November 5, 2019 <br /> Full Description of Change:This change request includes: <br /> 1. Additional interior drywall demolition. <br /> 2.Job-site cargo/storage container for doors and frames <br /> 3. Drywall, includes hanging &finishing drywall, installation of insulation <br /> 4. Painting- provide cleaning and priming and applying 1"finish coat to gypsum walls. <br /> 5. Electrical, Fire Alarm Systems & plumbing componets-disconnect and reconnections for interior drywall demolition ar <br /> 7. Additional Project Management and Supervision <br /> 8. Additonal temporary facilities, dumpsters, office, power usage <br /> 9. Additional mold remediation labor to clean individual studs rather than flat wall surfaces, provide additional protectivE <br /> demolition and mold remediation. Negative air fans and air scrubbers for additional demolition and remedation time. <br /> Reason for Change: These changes were necessary for the following: <br /> The surface samples indicated that the microbial growth on the decking is Cladosporium,the microbial growth generally <br /> interior walls behind contents is Aspergillus/Penicillium, and the microbial growth at the exterior walls in room 214 and r <br /> (where the furniture holes were located) is comprised of either Stachybotrys or Chaetomium. <br /> During remediation demolition and removal of contents,the condition of the building was revealed to have extensive mil <br /> issues beyond what was able to be observed prior to demolition. During these new observations by ESG on 6/18/19, Con <br /> defined by the IICRC S520) areas were identified in excess throughout the building and on interior walls where microbial <br /> observed.The widespread amount of observed microbial growth, some being toxigenic Stachybotrys/Chaetomium, indic <br /> building had conditions suitable for microbial growth subject to any of the interior surfaces. Due to these findings, most c <br /> drywall should be removed to remove any visible or non-visible fungal colonies and allow for additional observation behi <br /> likely that all of the interior drywall will need to be removed in order to effectively ensure that all fungal sources have be <br /> cleaned.The rough foundation block walls should be cleaned, and would most effectively be cleaned using dry-ice blastir <br /> antimicrobial solution fog/wipe. Any insulation within the block which is able to be accessed should be removed and HEP <br /> Following these steps, surface testing of the concrete block walls should be performed to ensure a successful cleaning wz <br /> and a combination of encapsulating the block walls, air sealing exterior facing walls, and proper exterior waterproofing ai <br /> will allow the building to remain in a normal indoor condition without the threat of excess airborne fungal spores. <br /> Original contract sum: $ 1,499,409.00 <br /> Revised 12/18 <br />