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relative to abatement of only friable asbestos. Friable asbestos-containing material such as spray-on <br /> . thermal insulation and ceiling texture and pipe insulation must be abated prior to demolition and <br /> renovation. <br /> Review of the asbestos survey reports supplied to Wenck indicates the possibility of additional <br /> asbestos-containing materials within the plaza that are not evaluated or quantified in the reports. <br /> Wenck recommends prior to demolition/renovation, a pre-demolition survey (i.e., one employing <br /> destructive evaluation methods) be conducted to determine the ACM remaining in the plaza using <br /> ■ the existing survey reports, and to determine if materials used in construction or as replacement of <br /> abated ACM since 1994 are asbestos-containing. We would anticipate that a pre-demolition survey <br /> to ensure that sufficient documentation exists to direct pre-demolition abatement activities would <br /> cost approximately $8,000 to $10,000. <br /> ■ If either partial or complete renovation is contemplated,ACM remaining in the plaza can be <br /> managed in place using an operation and maintenance plan (O&M Plan) prepared in accordance <br /> with the Minnesota Department of Health regulations. ACM that is readily accessible or has a high <br /> potential for becoming a hazard should be abated. An O&M Plan would cost approximately $1000 <br /> ■ to develop. <br /> ACM Abatement Cost Estimate <br /> This estimate is based on the asbestos containing materials and quantities listed in the Report. <br /> ■ Demolition <br /> Abatement of friable and non-friable asbestos-containing material prior to demolition: <br /> 1. 2" — 6" pipe and pipe fitting insulation.................................................$350,000 <br /> 2. 6" — 12" pipe and pipe fitting insulation.................................................$50,000 <br /> 3. 9" and 12" floor file and mastic.............................................................$845,000 <br /> 4. Spray-on fire proofing (bowling alley) .................................................$100,000 <br /> 5. Spray-on ceiling texture ............................................................................$50,000 <br /> i 6. 2' x 4' ceiling panels .....................................................................................$4,000 <br /> 7. Boiler gasket .................................................................................................$1,000 <br /> 8. Demolition debris piles ...........................................................................$100,00 0 <br /> Total ..............................................................$1,500,000 <br /> Abatement of friable asbestos-containing material only prior to demolition: <br /> 1. 2" — 6" pipe and pipe fitting insulation.................................................$350,000 <br /> ■ 2. 6" — 12" pipe and pipe fitting insulation ...............................................$50,000 <br /> 3. Spray-on fire proofing (bowling alley) .................................................$100,000 <br /> ■ 4. Spray-on ceiling texture ............................................................................$50,000 <br /> 5. 2' x 4' ceiling panels ....................................................................................$4,000 <br /> 6. Boiler gasket .................................................................................................$1,000 <br /> 7. Demolition debris piles ..........................................................................$100.00 0 <br /> Total $655,000 <br /> Following are abatement unit price costs of materials that were used to develop the estimates: <br /> ■ 2" — 6" pipe insulation ................................................................................$18/ft <br /> 2" — 6" pipe fitting insulation ...................................................................$40/ea <br /> ■ 21 <br />