Floor To Skin Ratio Analysis (By Type) - Including Substructure Framing/Backup
Floor Area Quantity
Skin Area Quantity
Description
Unit Perimeter Unit
Flr / Deck Height
Unit
Flr. Area to Skin Area Ratio
1st Floor 2nd Floor 3rd Floor 4th Floor 5th Floor 6th Floor 7th Floor 8th Floor 9th Floor 10th Floor 11th Floor 12th Floor 13th Floor
22,861 23,332 23,306 22,440 22,440 22,440 22,440 22,440 22,440 22,440 11,908 15,489 10,848
SF SF SF SF SF SF SF SF SF SF SF SF SF
751 722 716 730 730 730 730 730 730 730 496 571 498
LF LF LF LF LF LF LF LF LF LF LF LF LF
17.33 11.33 13.33 13.33 13.33 13.33 13.33 13.33 13.33 17.33 15.00 13.00 18.00
13,017
SF SF SF SF SF SF SF SF SF SF SF SF SF SF SF SF SF SF SF SF SF
8,183 9,547 9,733 9,733 9,733 9,733 9,733 9,733
12,653
7,440 7,423 8,964 2,023 9,297
Aluminum Sill Extension
Face Brick Returns
Limestone Accent Returns Granite Veneer Returns Metal Panel Column Cladding
81
116
1,536
Metal Panel Soffits
441
EIFS Soffits
6,681 3,331
13th Floor Curtain Wall Screen Around Mechanical Equipment
Total
264,824
SF
8,864 LF
185.33
Total SF of Skin
Average Floor to Skin Ratio
*
149,133 SF
0.56
Description
Sq.FT
Ratio
Cost Per Sq.FT
Total Cost
Average Cost Per Sq.FT/Skin
Curtain Wall - STC 32 Curtain Wall - STC 34/35
20,018 SF 8,457 SF 14,469 SF 5,357 SF 19,940 SF 6,856 SF
13.42%
$ $ $ $ $ $ $ $ $ $ $ $ $ $ $ $ $ $ $
80.00 90.00 80.00 82.00 85.00 88.00
$ $ $ $ $ $ $ $ $ $ $ $ $ $ $ $ $ $ $
1,601,440
5.67% 9.70% 3.59%
761,130
Glazed Windows - Standard 1" IGU - STC 32
1,157,520
Glazed Windows - Standard 1" IGU with Opaque Film - STC 32 Glazed Windows - Unbalanced lite or sgl laminated - STC 34/35
439,274
13.37%
1,694,900
Glazed Windows - Dbl laminated - STC 39
4.60% 0.56% 1.36%
603,328 174,720 606,900
Sliding Nana Wall System Aluminum Sill Extension
832 SF
210.00 300.00
2,023 SF
Masonry Face Brick (concrete substrate)
37,583 SF 9,297 SF 3,025 SF
25.20%
45.75 45.75
1,719,422
Face Brick Returns Brick Accent Wall
6.23% 2.03% 0.52% 0.10% 0.05% 0.13% 0.08% 2.51% 0.53% 0.82%
425,338 399,300 49,725
132.00
Limestone cap
780 SF 142 SF
63.75 44.75 44.75 99.75 99.75 25.00 70.75 60.94
Limestone Accent
6,355 3,625
Limestone Accent Returns
81 SF
Granite Veneer
196 SF 116 SF
19,551 11,571 93,725 56,246 74,773
Granite Veneer Returns
CMU
3,749 SF
Face Brick (CMU substrate)
795 SF
Face Brick (metal stud substrate)
1,227 SF
Steel and Metal Painted C-Channel Steel
690 SF 509 SF
0.46% 0.34%
$ $
164.00
$ $
113,160 40,720
Metal Louvers
80.00
Metal Panels Metal Panel Column Cladding Metal Panel Wall Assembly
1,536 SF
1.03% 0.21% 0.30%
$ $ $
54.00 83.19 72.52
$ $ $
82,944 26,288 31,981
316 SF 441 SF
Metal Panel Soffits
EIFS EIFS Exterior Wall Assembly
4,017 SF 6,681 SF
2.69% 4.48%
$ $
41.69 23.75
$ $
167,469 158,674
EIFS Soffits
Total
*
$ 10,520,079
$
70.54
149,133 SF
100.0%
Ratio Of Assembly to Skin
Glass
77,952 SF 48,902 SF 3,025 SF 1,003 SF
52.27% 32.79%
Face Brick
Brick Accent Wall
2.03% 0.67% 0.21% 2.51% 0.46% 0.34% 1.54% 7.17%
Limestone
Grantite Veneer Split Face CMU
312 SF
3,749 SF
Painted C-Channel Steel
690 SF 509 SF
Metal Louvers
Metal Panel
2,293 SF 10,698 SF
EIFS
149,133.00 SF
100.00%
Optimal Skin Ratio Per Design - Ratio
0.45 0.56
Percentage increase of exterior skin over optiomal
20.1%
10/31/2016 Return to Table of Contents
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