Note: Study based on a 20 story steel framed building in suburban Chicago, 100' x 200' footprint 30' x 30' core, Live load=10 PSF, 2 hr. fire rated slabs, 2 piower and telecom closets per floor, one elctrical activation per 200 sq. ft. (one per 800 sq. ft. of wired partitions) Access floors are 6 inches deep, discount rate=10%, inflation=5%per anum, churn rate=20%
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OPTION 1 |
OPTION 2 |
OPTION 3 |
OPTION 4 |
OPTION 5 |
OPTION 6 |
OPTION 7 |
| Cost Category |
Poke Thru Method |
5' Blend Cellular with Preset Outlets |
Full Cellular |
Access Flooring |
Wired Partitions Fed by Poke Thru |
Wired Partitions Fed by Cable Trays (Furniture Poles) |
Wired Partitions Fed by 5' Blended Cellular Floor |
| Direct First Costs - General Construction |
$2.15 |
$4.56 |
$6.93 |
$11.56 |
$2.15 |
$4.11 |
$4.56 |
| Indirect First Cost Premiums |
$0.00 |
$0.00 |
$0.00 |
$2.77 |
$0.00 |
$0.00 |
$0.00 |
| Subtotal - Core & Shell |
$2.15 |
$4.56 |
$6.93 |
$14.32 |
$2.15 |
$4.11 |
$4.56 |
| Wire-Up Costs |
$4.48 |
$3.05 |
$3.05 |
$3.53 |
$5.55 |
$5.01 |
$3.76 |
| Total First Costs |
$6.63 |
$7.61 |
$9.98 |
$17.86 |
$7.70 |
$9.12 |
$8.33 |
| Life Cycle Costs |
$3.77 |
$2.50 |
$2.53 |
$2.69 |
$5.19 |
$4.52 |
$4.26 |
| Total Applicable Costs |
$10.41 |
$10.11 |
$12.51 |
$20.54 |
$12.89 |
$13.63 |
$12.59 |
| Index |
1.029 |
1.000 |
1.237 |
2.032 |
1.275 |
1.348 |
1.210 |
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| Note: Overall Building Area = 400,000 gsf |
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