OFFICE BUILDING MODERNIZATION OPTION B:
SHELL & CORE SUMMARY
FULL FAADE RENOVATION
Prepared: 1 August 2003
Shell & Core
Reference Date: 10/1/2003
"Great Society" Mid Rise Office Building
Area excl Parking: 265,200 GSF
Shell & Core
TOTAL
Total Cost
RATE
Market
No Market
Equivalent
Comparable
TOTAL
DESCRIPTION
$/gsf
%
$
$
$
A10
Foundations
0
0
0.00
0.00%
A20
On Grade/Below Grade Construction
0
0
0.00
0.00%
B10
Superstructure
214,812
-
214,812
0.81
1.01%
B20
Exterior Enclosure
5,106,890
5,106,890
19.26
23.95%
B30
Roofing
17,250
17,250
0.07
0.08%
C10
Interior Construction
703,521
-
703,521
2.65
3.30%
C30
Interior Finishes
1,253,271
1,253,271
4.73
5.88%
D10
Conveying Systems
141,231
141,231
0.53
0.66%
D20
Plumbing
652,392
31,824
684,216
2.58
3.06%
D30
HVAC
2,824,380
1,063,452
3,887,832
14.66
13.25%
D40
Fire Protection
556,920
556,920
2.10
2.61%
D50
Electrical
3,174,444
3,174,444
11.97
14.89%
E10
Equipment
0
0
0.00
0.00%
E20
Furnishings
25,919
25,919
0.10
0.12%
F10
Special Construction
0
0
0.00
0.00%
F20
Selective Building Demolition
6,648,091
6,648,091
25.07
31.18%
G10
Building Sitework
0
0
0.00
0.00%
G50
Other Site Construction
0
0
0.00
0.00%
Estimated Direct Construction Cost
21,319,121
1,095,276
22,414,397
84.52
100.00%
Design Contingency - Allowance
10%
2,131,912
109,528
2,241,440
8.45
Phasing Premium
5%
1,172,552
60,240
1,232,792
4.65
General Conditions and Profit - Allowance
15%
3,693,538
189,757
3,883,294
14.64
Estimated Construction Cost at Award
28,317,122
1,454,800
29,771,922
112.26
Cost of Art-In-Architecture - Allowance
0.5%
141,586
7,274
148,860
0.56
Construction Contingency - Allowance
7%
1,992,110
102,345
2,094,455
7.90
Estimated Construction Cost
30,450,817
1,564,420
32,015,237
120.72
Unit Cost
114.82
5.90
120.72
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