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TIME ESTIMATES UNADJUSTED COSTS Note: Dollar amounts in parenthesis represent cost Tree Est’d Est’d Est’d Est’d Est’d Est’d Species Location Y1 Trim Y4Trim Y8Trim Remove Y1 Trim Y4 Trim Y8Trim Remove A. Removal Based on High Trimming Cost Criteria L. Plane Ledge Rd 0.80 0.76 0.57 1.00 ($52) ($49) ($37) ($65) Sy. Maple Ledge Rd 1.00 0.80 0.72 0.90 ($65) ($52) ($47) ($59) Sy. Maple Ledge Rd 1.00 0.75 0.68 0.90 ($65) ($49) ($44) ($59) N. Maple Broadway 0.75 0.60 0.60 0.50 ($49) ($39) ($39) ($33) Sv. Maple Broadway 0.75 0.68 0.68 0.80 ($49) ($44) ($44) ($52) Sy Maple Morton Pk 0.80 0.80 0.80 0.70 ($52) ($52) ($52) ($46) N. Maple Green Ln. 0.60 0.48 0.43 0.40 ($39) ($31) ($28) ($26) N. Maple Green Ln. 0.80 0.72 0.58 0.50 ($52) ($47) ($37) ($33) N. Maple Green Ln. 0.70 0.56 0.62 0.40 ($46) ($36) ($40) ($26) N. Maple Green Ln. 0.70 0.56 0.62 0.50 ($46) ($36) ($40) ($33) N. Maple Green Ln. 0.70 0.56 0.56 0.50 ($46) ($36) ($36) ($33) N. Maple Green Ln. 0.70 0.63 0.69 0.40 ($46) ($41) ($45) ($26) L. Linden Morton Av 1.00 1.50 1.35 0.70 ($65) ($98) ($88) ($46) L. Linden Morton Av 1.00 1.50 1.35 0.70 ($65) ($98) ($88) ($46) N. Maple Mumford 0.40 0.40 0.40 0.50 ($26) ($26) ($26) ($33) R. Maple Storer Pk 1.00 0.85 0.94 0.60 ($65) ($55) ($61) ($39) P. Oak Carroll 0.50 0.65 0.65 0.60 ($33) ($42) ($42) ($39) P. Oak Carroll 0.50 0.65 0.65 0.60 ($33) ($42) ($42) ($39) N. Maple Kay St 0.70 0.84 0.84 1.20 ($46) ($55) ($55) ($78) N. Maple Kay St. 0.80 0.80 0.68 1.20 ($52) ($52) ($44) ($78) Catalpa Lakeview 0.50 0.50 0.40 0.60 ($33) ($33) ($26) ($39) B. Removal Based on Mutual Hazard Criteria N. Maple Second 0.80 0.00 0.00 1.20 ($52) $0 $0 ($78) N. Maple Slocum 0.80 0.96 0.96 0.80 ($52) ($62) ($62) ($52) L. Plane Bry-Hosp 0.60 0.66 0.66 1.20 ($39) ($43) ($43) ($78) N. Maple Dudley 1.50 1.28 1.28 1.20 ($98) ($83) ($83) ($78) Ash Morton Av 0.80 0.00 0.00 1.00 ($52) $0 $0 ($65) N. Maple Ruggles 0.80 0.72 0.72 1.10 ($52) ($47) ($47) ($72) N. Maple Broadway 0.90 0.77 0.77 0.80 ($59) ($50) ($50) ($52) TOTAL 21.90 19.97 19.17 21.50 ($1,424) ($1,298) ($1,246) ($1,398) Note:
1 The trim times for Y4 and Y8 are adjusted to reflect change in trimming technique; and
2 The cost factor per hour is the median rate for the industry in New England
ADJUSTED COST CUMULATIVE COST NPV NPV NPV COST COST Tree Location TRIM Y1 TRIM Y4 TRIM Y8 TRIM Y1-Y8 REM Y1 Species A. Removal Based on High Trimming Cost Criteria L. Plane Ledge ($52) ($45) ($29) ($126) ($65) Sy. Maple Ledge Rd ($65) ($47) ($37) ($149) ($59) Sy. Maple Ledge Rd ($65) ($44) ($35) ($144) ($59) N. Maple Broadway ($49) ($35) ($31) ($115) ($52) Sv. Maple Broadway ($49) ($40) ($35) ($123) ($52) Sy Maple Morton Pk ($52) ($47) ($41) ($140) ($46) N. Maple Green Ln. ($39) ($28) ($22) ($89) ($26) N. Maple Green Ln. ($52) ($42) ($29) ($124) ($33) N. Maple Green Ln. ($46) ($33) ($32) ($110) ($26) N. Maple Green Ln. ($46) ($33) ($32) ($110) ($33) N. Maple Green Ln. ($46) ($33) ($29) ($107) ($33) N. Maple Green Ln. ($46) ($37) ($35) ($118) ($26) L. Linden Morton Av ($65) ($88) ($69) ($222) ($46) L. Linden Morton Av ($65) ($88) ($69) ($222) ($46) N. Maple Mumford ($26) ($23) ($20) ($70) ($33) R. Maple Storer Pk ($65) ($50) ($48) ($163) ($39) P. Oak Carroll ($33) ($38) ($33) ($104) ($39) P. Oak Carroll ($33) ($38) ($33) ($104) ($39) N. Maple Kay St ($46) ($49) ($43) ($138) ($78) N. Maple Kay St. ($52) ($47) ($35) ($134) ($78) Catalpa Lakeview ($33) ($29) ($20) ($82) ($39) B. Removal Based on Mutual Hazard Criteria N. Maple Second ($52) $0 $0 ($52) ($78) N. Maple Slocum ($52) ($56) ($49) ($157) ($52) L. Plane Bry-Hosp ($39) ($39) ($34) ($111) ($78) N. Maple Dudley ($98) ($75) ($65) ($238) ($78) Ash Morton Av ($52) $0 $0 ($52) ($65) N. Maple Ruggles ($52) ($42) ($37) ($131) ($72) N. Maple Broadway ($59) ($45) ($39) ($143) ($33) SUBTOTAL ($1,424) ($1,171) ($980) ($3,575) ($1,398) Newport Electric Tree Planting Cost ($2,100) TOTAL ($3,498) SUMMARY Cost Differential for Remove and Replant versus Trimming Year 1 Year 4 Year 8 Total ($2,074) $1,171 $980 $78 Note:
1 Inflation rate of 4.6% used reflects the increase in tree contractor costs for Newport Electric during the past 5 years; and
1 Interest Rate is the Cost of Capital used by Newport Electric; 8.3%.
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