EQUIPMENT
ON GRADE
20FT FLOOR SPAN
30FT FLOOR SPAN
40FT FLOOR SPAN
50FT FLOOR SPAN
BASE
ISOL
MIN
BASE
ISOL
MIN
BASE
ISOL
MIN
BASE
ISOL
MIN
BASE
ISOL
MIN
TYPE
TYPE
DEFL
TYPE
TYPE
DEFL
TYPE
TYPE
DEFL
TYPE
TYPE
DEFL
TYPE
TYPE
DEFL
COOLING TOWERS
UP TO 500 RPM
---
---
---
---
SP
1.0
---
SP
1.7
---
SP
2.5
---
SP
3.5
501 RPM & OVER
---
---
---
---
SP
1.0
---
SP
1.0
---
SP
1.7
---
SP
2.5
INTERNAL COMBUSTION ENGINES
UP TO 25 HP
I
N
0.3
I
N
0.3
I
S
1.7
I
S
2.5
I
S
2.5
30 THRU 100 HP
I
N
0.3
I
N
1.7
I
S
2.5
I
S
3.5
I
S
3.5
125 HP & OVER
I
N
0.3
I
N
2.5
I
S
3.5
I
S
4.5
I
S
4.5
AIR HANDLING UNIT PACKAGES
SUSPENDED:
UP THRU 5 HP
---
---
---
---
H
1.0
---
H
1.0
---
H
1.0
---
H
1.0
7-1/2 HP & OVER:
UP TO 500 RPM
---
---
---
---
H,
1.7
---
H,
1.7
---
H,
1.7
---
H,
1.7
THR
THR
THR
THR
501 RPM & OVER
---
---
---
---
H,
1.0
---
H,
1.0
---
H,TH
1.7
---
H,TH
1.7
THR
THR
R
R
FLOOR MOUNTED:
UP THRU 5 HP
---
D
---
---
S
1.0
---
S
1.0
---
S
1.0
---
S
1.0
7-1/2 HP & OVER:
UP TO 500 RPM
---
D
---
R
S,
1.7
R
S,
1.7
R
S,
1.7
R
S,
1.7
THR
THR
THR
THR
501 RPM & OVER
---
D
---
---
S,
1.0
---
S,
1.0
R
S,
1.7
R
S,
1.7
THR
THR
THR
THR
5-6
HVAC DESIGN MANUAL
SUPPORT DATA
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