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2019-193-E AMS - Sasser Companies ES remediation
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2019-193-E AMS - Sasser Companies ES remediation
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Entry Properties
Last modified
4/1/2019 9:07:31 AM
Creation date
3/29/2019 9:19:27 AM
Metadata
Fields
Template:
Contract
Date
3/20/2019
Contract Starting Date
3/20/2019
Contract Ending Date
8/8/2019
Contract Document Type
Agreement - Construction
Agenda Item
3/19/19; 8-i
Amount
$1,499,409.00
Document Relationships
2019-408-E AMS - Sasser Change Request 1 drywall removal
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Path:
\Board of County Commissioners\Contracts and Agreements\General Contracts and Agreements\2010's\2019
2019-480-E AMS - Sasser Companies mechanical system replacement contract amendment
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\Board of County Commissioners\Contracts and Agreements\General Contracts and Agreements\2010's\2019
2019-778-E AMS - Sasser Companies Inc ES remediation amendment 3
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Path:
\Board of County Commissioners\Contracts and Agreements\General Contracts and Agreements\2010's\2019
2019-918-E AMS - Sasser ES Change Request 4
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\Board of County Commissioners\Contracts and Agreements\General Contracts and Agreements\2010's\2019
2020-068-E AMS - Sasser Companies ES panel install contract amendment
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\Board of County Commissioners\Contracts and Agreements\General Contracts and Agreements\2020's\2020
Agenda - 03-19-2019 8-i - Approval of a Construction Contract for the Remediation, Repair, and Reconstruction of the Phillip Nick Waters Emergency Services Building
(Attachment)
Path:
\Board of County Commissioners\BOCC Agendas\2010's\2019\Agenda - 03-19-19 Regular Meeting
R 2019-193 AMS - Sasser Companies ES remediation
(Attachment)
Path:
\Board of County Commissioners\Contracts and Agreements\Contract Routing Sheets\Routing Sheets\2019
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DocuSign Envelope ID:B94F2D40-3B3C-47A7-86C2-6F1B4F92C62C <br /> ESG tnvlronmental 3olunon5 urvup <br /> Leading people,companies and communities to live, Report with Protocols for R e m e d i a t i o n <br /> work and prosper in a sustainable environment. <br /> Mold in Moisture-Free Buildings <br /> Published studies of airborne fungal contamination in complaint buildings with known moisture <br /> issues are plentiful,while well-designed studies that propose baseline levels for airborne fungal <br /> spores in buildings without obvious moisture problems are scarce.Three recent studies <br /> conducted in Georgia',Floridan and southern Finland have focused on the levels of viable and <br /> non-viable airborne fungi in modern buildings in order to better define what are considered a <br /> typical number of airborne molds.The studies found that the number of non-viable and viable <br /> airborne fungi in an indoor environment without a known moisture issue are consistent regardless <br /> of geographical location or season. <br /> The studies primarily examined the airborne concentrations of leaf fungi(Cladosporium, <br /> Curvularia,Epicoccum&Alternaria species),soil and moisture-indicator fungi(Aspergillus, <br /> Paecilomyces&Penicillium species)and water-indicator fungi(Chaetomium,Stachybotrys& <br /> Ulocladium species). <br /> The researchers found that the water-indicator fungi are almost never identified in homes without <br /> a moisture issue and are equally uncommon outdoors.Therefore,the presence of airborne <br /> spores from Chaetomium,Stachybotrys&Ulocladium typically suggest the presence(or prior <br /> presence)of wet materials in the vicinity of the air sampling location.Furthermore,as these fungi <br /> do not normally release high levels of spores and these spore types do not remain airborne for <br /> extended periods of time,even low levels of these spore types(compared to other spore types <br /> released in large amounts such as Aspergillus/Penicillium species)are an indication of an <br /> elevated level of fungal spores.Therefore,the presence of Chaetomium,Stachybotrys or <br /> Ulocladium in an indoor air sample is extremely relevant in the interpretation of laboratory reports. <br /> The studies determined that the following spore types are most common and present in the <br /> following counts for non-viable fungi in homes without a known moisture issue: <br /> Spore Type Average Count/my-Indoors) Range <br /> Ajr illus/Penicillium 194 0-656 <br /> As ores 53 0-317 <br /> Basidios ores 9 0-279 <br /> Clados orium 18 0-176 <br /> M xom cetelSmut-likes ores 9 0-106 <br /> Curvularia 4 0-88 <br /> TOTAL 335 8-999 <br /> Table 1:average and range counts of the most common indoor non-viable airborne fungi in homes without a <br /> known moisture issue <br /> The Georgia and Finnish studies utilized cultured air sampling to generate results for viable airborne <br /> fungi.These researchers found that the leaf fungi dominate the composition of air cultures in buildings <br /> without a moisture issue.As with the Florida study,which used the non-viable air sampling method, <br /> water-indicator fungi were rarely identified in the non-problem buildings studied.While soil&moisture- <br /> indicator fungi were found to be present in air cultures but at a much lower ratio than for leaf fungi.The <br /> Georgia study concluded that the interpretive guidelines that emphasize using the ratio of indoor to <br /> outdoor molds as well as the ratio of leaf fungi to soil or water indicator fungi will result in an accurate <br /> assessment.All three studies conclude that investigators can compare their results from a home with a <br /> suspected problem to their data from homes known not to have problems and be relatively assured <br /> they are coming to the right conclusion. <br /> '.,Air-and dustborne microflora in houses free of water damage and fungal growth",Applied and Environmental <br /> Microbiology,Nov.2004:6394-6400. <br /> 2„ <br /> Typical levels of airborne fungal spores in houses without obvious moisture problems during a rainy season in Florida, <br /> USA",Investigative Allergology and Clinical Immunology,2008 Vo.18(3):156-162. <br /> 3"Fungal species in mold-damaged and nondamaged office buildings in southern Finland",Swedish Journal of Work and <br /> Environmental Health,2008 No.4:18-20. <br /> 4Ascospores and basidiospores were found to be the most abundant spore types in the outdoor air samples collected as <br /> reference data.As these spores do not commonly grow in buildings,their detection indoors typically suggests infiltration of <br /> outdoor air. <br /> Environmental Solutions Group 9 1000 N. Elm St., Greensboro, NC 27401 • 336-373-1538 • www.Go-ESG.com <br />
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