Attachment 5

Cost Comparisons

Assuming 1 Circulation within a 10 Year Period

1 circ. in 10 years, in: Year 1 Year 2* Year 3 Year 4 Year 5 Year 6 Year 7 Year 8 Year 9 Year 10
Project Open Book
Depository Library (Series 1)
Storage $2.55 $2.55 $2.55 $2.55 $2.55 $2.55 $2.55 $2.55 $2.55 $2.55
Access $4.40 $4.58 $4.76 $4.95 $5.15 $5.36 $5.57 $5.79 $6.03 $6.27
SERIES 1 TOTAL $6.95 $7.13 $7.31 $7.50 $7.70 $7.91 $8.12 $8.34 $8.58 $8.82
Digital Archives (Series 2)
Storage $15.37 $15.37 $15.37 $15.37 $15.37 $15.37 $15.37 $15.37 $15.37 $15.37
Access $6.72 $6.00 $5.38 $4.84 $4.36 $3.95 $3.60 $3.29 $3.03 $2.79
SERIES 2 TOTAL $22.09 $21.37 $20.75 $20.21 $19.73 $19.32 $18.97 $18.66 $18.40 $18.16
UMI, Inc. (Series 3)
SERIES 3 TOTAL $45.60 $47.50 $49.40 $51.38 $53.43 $55.57 $57.79 $60.10 $62.51 $65.01
Center for Research Libraries (Series 4)
Storage $0.21 $0.22 $0.23 $0.24 $0.25 $0.26 $0.27 $0.28 $0.29 $0.30
Access $18.99 $19.78 $20.57 $21.39 $22.25 $23.14 $24.07 $25.03 $26.03 $27.07
SERIES 4 TOTAL $19.20 $20.00 $20.80 $21.63 $22.50 $23.40 $24.33 $25.31 $26.32 $27.37
Yale Library, depository shelving (Series 5)
Storage $0.13 $0.14 $0.15 $0.15 $0.16 $0.16 $0.17 $0.18 $0.18 $0.19
HVAC, etc. $1.08 $1.13 $1.18 $1.22 $1.27 $1.32 $1.37 $1.43 $1.49 $1.55
Access $1.68 $1.75 $1.82 $1.89 $1.97 $2.05 $2.13 $2.21 $2.30 $2.39
SERIES 5 TOTAL $3.14 $3.27 $3.40 $3.54 $3.68 $3.83 $3.98 $4.14 $4.30 $4.48

* Base year for calculating 4% inflation on UMI, CRL, and Yale Library costs.