2019-918-E AMS - Sasser ES Change Request 4

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DocuSign Envelope ID:AODF2D6C-3A18-4DOA-85FE-5237812F54C8 ORANGE COUNTY CHANGE ORDER REQUE NORTH CAROLINA Date: November 27, 2019 Project: Phillip Nick Waters Emergency Services Building-ADA Modifications to r Code wall and roof changes, millwork and tiles Change Order No. 4 Department: AMS Department Ad( Margaret Lane, Hillsborough, NC 27278 Project: Emergency Services Remediation (61370035-880000-10068) Sasser Companies Contractor Address: PO Box Box 10,Whitsett, NC 27377 Effective date of original contract: 3/20) This change order❑ increases ❑ decreases the contract time by 14 days. Check here if no impact to contract time ❑ Will this change order impact the date of substantial completion? ❑ Yes ❑ No. If yes,the amended date of sub completion is: February 28, 2020 Full Description of Change:This change request includes: Millwork to be performed to replace the contaminated cabinets within the coffee area and the breakroom. During the re deconstruction of the drywall it was found that water damage had occurred and mold had grown inside the cabinet walls being pourous materials they must be replaced as they cannot be cleaned. Also during this deconstruction of the firewall shower area and the floor tiles had to be pulled away from the wall, during this time is was discovered that mold had gro and behind these tiles and therefore needed to be completely removed,the removal process does not allow for reuse of this change includes the replacement of these materials for the shower and flooring. The existing building did not comp code for separation between the warehouse and office space and between the first and 2nd floor lobby areas. In order t code and keep the separation between the spaces additional framing and drywall are required.The existing roofing syste have the 2 hour rating to keep a fire from spreading between the warehouse and office areas. Modifications to remove tl and insulation are required by code.The roofing portion on both sides of the fire wall will be replaced with a standard rol insulation in order to meet the code separation requiremetns. Reason for Change: During remediation deconstruction,the condition of the millwork cabinetry and tile shower and floo have extensive microbial growth issues beyond what was able to be observed prior to demolition including toxigenic Stachybotrys/Chaetomium. During these new observations, Condition 3 (as defined by the IICRC S520) areas were identif throughout these areas.The widespread amount of observed microbial growth, some being toxigenic Stachybotrys/Chae indicates that the millwork and tiles had conditions suitable for microbial growth. Due to these findings,the cleaning of tl cabinets and removal of the tiles it is not be guaranteed to remove all microbial growth from within each unit and or cou removed in such a way for reuse.Therefore it is recommended to replace the millwork and tiles.The second portion of tI request is required due to fire code.The existing facility did not have a rated separation between the warehouse and off i did not have separation between the 1st floor and 2nd floor lobbies.This change order will allow the framing, studs, dryv materials and insulation to be installed to keep this building compliant with current fire code regulations. Original contract sum: $ 1,499,409.00 Contract sum prior to this change order: $ 2,296,599.98 Amount of this change order: $ 119,623.14 Total sum of the contract including this change order: $ 2,416,223.12 Revised 12/18