Floor To Skin Ratio Analysis (By Elevation) - Including Substructure Framing/Backup
Floor Area
Skin Area
Description
Ratio Of Assembly to Skin
Glazing Curtain Wall - STC 32 Curtain Wall - STC 34/35
20,018
SF SF SF SF SF SF SF SF SF SF SF SF SF SF SF SF SF SF SF
13.42%
8,457
5.67% 9.70% 3.59%
Glazed Windows - Standard 1" IGU - STC 32
14,469
Glazed Windows - Standard 1" IGU with Opaque Film - STC 32 Glazed Windows - Unbalanced lite or sgl laminated - STC 34/35
5,357
19,940
13.37%
Glazed Windows - Dbl laminated - STC 39
6,856
4.60% 0.56% 1.36%
Sliding Nana Wall System Aluminum Sill Extension
832
2,023
Masonry Face Brick (concrete substrate)
37,583
25.20%
Face Brick Returns Brick Accent Wall
9,297 3,025
6.23% 2.03% 0.52% 0.10% 0.05% 0.13% 0.08% 2.51% 0.53% 0.82%
Limestone cap
780 142
Limestone Accent
Limestone Accent Returns
81
Granite Veneer
196 116
Granite Veneer Returns
Split Face CMU
3,749
Face Brick (CMU substrate)
795
Face Brick (metal stud substrate)
1,227
Steel and Metal Painted C-Channel Steel
690 509
SF SF
0.46% 0.34%
Metal Louvers
Metal Panels Metal Panel Column Cladding Metal Panel Wall Assembly
1,536
SF SF SF
1.03% 0.21% 0.30%
316 441
Metal Panel Soffits
EIFS EIFS Exterior Wall Assembly
4,017 6,681
SF SF
2.69% 4.48%
EIFS Soffits
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%
Per Design Skin Sq.FT (0.56 Ratio)
149,133 119,171 29,962
Optimal skin design Skin Sq.FT (0.45 Ratio)
Square footage delta
Average skin cost
$
70.54
Added cost premium
$
2,113,581.18
Premium per Gross Square Footage
$
7.98
10/31/2016 Return to Table of Contents
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