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6"— 12" pipe insulation .............................................................................$28/ft ❑ 6" — 12" pipe fitting insulation .................................................................$75/ea ❑ 9„.floor tile and mastic ..........................................................................$4/sq. ft. 12" floor tile and mastic ........................................................................$4/sq. ft. ❑ Spray-on fire proofing ...........................................................................$6/sq. ft. Spray-on ceiling texture .........................................................................$6/sq. ft. ❑ 2' x 4' ceiling panels ...............................................................................$3/sq. ft. Boilergasket ...........................................................................................$1,000/ea ❑ Demolition debris ............................................................................$180/cu. yd. ❑ The above unit price costs can be used to estimate costs for abatement of additional asbestos- ❑ containing materials not listed in the Report, once those materials are quantified. ❑ Fluorescent Lighting and Poly-Chlorinated Biphenyls ❑ Based on estimated square footage of the facility, and the assumption that approximately one light ❑ (with two bulbs) is present per 100 square feet,we anticipate the removal and appropriate management of fluorescent light bulbs would cost approximately $9,000. Additionally, some ❑ assumptions are necessary with respect to PCB-containing ballasts. Based on conversations with Mr. Monk, we have assumed that approximately 90% of the light fixtures have been replaced by non- ❑ PCB containing fixtures. A more detailed survey of the lighting in the facility would provide a more ❑ accurate estimate, however, Mr. Monk seemed fairly confident that the number of PCB-containing ballasts was low. ❑ Using a high-end assumption that each light contains a ballast weighing four-and-one-half pounds, and an anticipated a disposal cost of approximately $6 per pound of PCB-containing transformers, an additional $13,200 would be necessary for PCB-containing light ballast abatement. ❑ In addition to the light ballasts, there is also an on-site electrical transformer that has been tested ❑ positive for PCBs. Mr. Monk was unable to produce the documentation concerning the PCB ❑ concentration and quantities of di-electric fluid present. Based on our assumptions,we would recommend using an estimate of$20,000 for appropriate removal, transportation and disposal of PCB-containing oils from this transformer. Petroleum-Contaminated Soil There are two areas of potential petroleum-contaminated soil. If encountered during ❑ redevelopment, appropriate management and treatment of affected soil would cost an estimated $50 per cubic yard. ❑ The first area is near the southern portion of the existing facility and relates to an on-site release of ❑ product from a 1500 fuel oil tank associated with the Waldorf Cleaners. A closure letter was granted for the site on March 2, 1995, however, some area of petroleum-contaminated soil remains. It is ❑ anticipated that quantity of impacted soil remaining in the area affected by the release is less than ❑ 600 cubic yards. Appropriate off-site management of all of this soil would cost approximately $30,000. Frequently, it is possible to manage petroleum-contaminated soil treatment on-site. If ❑ permitted, on-site treatment of petroleum-contaminated soil could cost significantly less than this. The monitoring wells associated with this investigation (Minnesota Unique Numbers 553075, ❑ 553076, and 553077) were abandoned December 12, 1994. 22 ❑ ❑