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Table 1 <br /> Sewer Inspection Work Item Cost Comparisons <br /> Tele Scan Walden <br /> Work Items Unit Typical Yearly Unit Cost Total Unit Cost Total <br /> Quantities <br /> 1 Televised Inspections Feet 150,000 $1.00 $150,000 $1.35 $202,500 <br /> 2 Manhole Inspections Each 50 $50.00 $2,500 $150.00 $7,500 <br /> 3 Smoke Testing Hour 20 $167.00 $3,340 $135.00 $2,700 <br /> 4 Manhole Rehabilitation Vertical Feet 100 $195.00 $19,500 $195.00 $19,500 <br /> 5 Point Repairs Segments 15 $1,540.00 $23,100 $2,975.00 $44,625 <br /> 6 Special Studies Hour 50 $80.00 $4,000 $195.00 $9,750 <br /> 7 On-Calllnspections Each 170 $500.00 $85,000 $350.00 $59,500 <br /> Totals for Comparison $287,440 $346,075 <br />