R2023-219 Resolution Accepting the Bid and Authorizing the Execution of a Contract with Burdick Plumbing & Heating Co., Inc. for the William Street Pump Station Improvements Project, City Project 2022-17

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' Crawford,Murphy&Tilly William Street Pump Station,E.Main Street&S.29th Street, Decaur, IL October 6,2022/IDEAL Number 25115 ' replacement flooring. Use caution if removing replacement flooring. If old black mastic is found in isolated areas or throughout, even if not identified during an inspection, it should be treated as asbestos containing for renovation purposes, or if building materials are to be recycled, as it is likely to contain asbestos. If underlying flooring is found which is not identified in the report, ' additional inspection is necessary. BLACK MASTIC INFORMATION When replacement flooring is sampled, multiple colors of mastic may be present below it.When black mastic is found amongst the multiple colors, it is likely the original mastic,and it is also likely to contain asbestos. Without inspection of the entire floor space, it is impossible to know whether the black mastic is residual or if it is prevalent. It is noteworthy that in the 1990's, schools did not typically remove old black mastic when they removed floor tile. Rather, they just covered over it. Therefore, it is very common to find prevalent black mastic and a newer mastic(often yellow) underneath replacement flooring. y In addition,the laboratory may not report the presence of black mastic in replacement flooring samples, or they may report it at quantities less than 1%,which meets the definition of a non-asbestos containing material.Therefore,when reviewing inspection reports, you may read that a replacement mastic is non-asbestos containing. We recommend using caution when replacement flooring is removed, even if sample results say the underlying mastic is non-asbestos containing. If ' black mastic is discovered along with other colors of mastic, it should be treated as asbestos containing. The sample results may not accurately reflect the entire floor surface. For pre-demolition inspections,the inspection was completed under the assumption that all non-regulated asbestos containing materials will remain in the building during the demolition process and will be taken to the landfill as general construction debris. If present,these materials were sufficiently sampled for this purpose. If building materials are to be recycled, additional sampling may be necessary(NOBS, materials with trace amounts of asbestos, etc.). Please note that no materials with black mastic attached should be recycled without first removing the black mastic. Black mastic should be treated as asbestos containing, regardless of laboratory analysis results for the black mastic. If the inspection included the building exterior, it was not an exhaustive inspection of the entire exterior surface area, but, rather, random areas were inspected.Additionally,on multi-level buildings, exterior materials may appear homogeneous from ' the ground to the top levels, but it is possible that different building materials are present. Care should be taken during renovation and/or demolition activities of multi-level buildings to ensure that exterior materials identified are homogeneous. Room numbers, room dimensions, occupant names, buildings years, etc. may not be accurate in this report if information ' provided to us, such as on a diagram,was not current, and in the future if building information changes after the date of the inspection. A material may be called"fireproofing" in this report for general description purposes; however, such a description shall not ' mean that it is a fire-rated material. While inaccessible materials,spaces or areas are excluded from the scope of the inspection, some may have been inspected. Photos may not be provided for all materials. Photos either reflect sample locations(when designated with a number)or general material locations (when sample number is not included in the photo). When a photo is shown with a zero(i.e. MFA-0), it typically means the material is assumed to contain asbestos, and no samples were collected. For an assumed material, if the Sample Area ID is noted on a diagram, it often reflects the location of the photo. ' Samples are analyzed by a laboratory approved or accredited (as applicable) by the National Voluntary Laboratory Accreditation Program (NVLAP)or American Industrial Hygiene Association (AIHA). ' The analysis results relate only to the materials sampled and only as found in the locations described in this report. For qualitative analysis: If asbestos was detected, a material will be reported as an asbestos containing material, even though the asbestos was not quantified. If no asbestos was detected, a material will be reported as a non-asbestos containing material. Asbestos content within a homogeneous area may vary.Therefore, random samples of a homogeneous area may indicate an asbestos content of less than 1%or no asbestos detected,while other random samples taken from the same material may indicate an asbestos content of greater than 1%. IDEAL sampled according to accepted sampling protocol (unless otherwise ' noted by limitations in the description of the scope of work)and is not liable if materials are re-sampled and found to contain asbestos. All asbestos containing friable materials are regulated.The process of renovation/demolition may cause non-friable category I or non-friable category II materials to become friable, and therefore regulated.Asbestos containing non-friable category II materials are generally reported as regulated, as they are likely to become friable during the process of renovation/demolition. Exceptions may exist, such as pliable caulking material. Ideal Environmental Engineering,Inc. (309)828-4259 www_Jualenvironmental.com Page 116