11-520-0042 OVERFLOW DRAINAGE PLAN
522 SF
_ --
475 SF
--------
-
REQ. AREA OF
OVERFLOW
SCUPPER (SI)
PER 1617.3
RD D5
REQUIRED
OVERFLOW
SCUPPER
LENGTH
4 RD D2
A
A 1 -3
(9 RD D3
1,593
4 RD D4
4
4 RD D3 -"
15
4 RD D4
1,811
LL
3,017
42.4
42.4 SI /(5 -2) IN =
14.1
5" x 15" OE'--
- --
U)
(0 ,'
522
- - -
522
11
B
` It
3,063
---
- --
43
RD C14 4 \\
14.3
`\\ LID
RD C4
B 3 -4
2,968
po RD C8 RD C10
OO RD C12
41.8
41.8 SI /(5 -2) IN =
14
5" x 15" OS
4 "X5 "OS
B 5 -6
3,002
RD C14 4
3,002
i
Oo RD C4
(4 RD C8
RD C10
RD C12
B 7 -8
\`
I
2,928
O RD C2
I
I
41.3 SI /(5 -2) IN =
RD C6 4
5" x 15" OS
I
'
'
2,858
I
2581 SF 2073
2,858
1942 SF
1367 SF 2075 SF
1791 SF
2681 SF
0
I
2,838
- - -
2,838
�
1069 SF
,
727 SF 691 SF
I
921 SF
1060 SF
1,054
- - -
1,054
18.1
18.1 SI /(5 -2) IN =
I
5" x 13" OS
I
1,534
- - -
1,534
24
24 SI /(5 -2) IN =
/
I
C 3 -4
2,073
- - -
2,073
/
30.7 SI /(5 -2) IN =
10.2
5" x 13" OS
C 5 -6, D 3
1,942
---
I
29.1
29.1 SI /(5 -2) IN =
9.7
5" x 13" OS
/
\
---
1,367
22
22 SI /(5 -2) IN =
7.3
/ LL
C 9 -10, D 4
\
RD C3 00
2,075
4O RD C5
RD C7 OO
RD C11 40
r
4° RD C13 /
�, 4O RD C1
1,791
- - -
m
L0 \\
RD C3 4
I RD D6
5" x 13" OS
RD C11 40
4 RD C13
N
4O RD C1
1,267
20.8
4
12.7
RD D1
RD4D6
1
RD D1
1,414
RD C9
4° RD C9
22.6
22.6 SI /(5 -2) IN =
o /
5" x 13" OS
4O RD 132
4 RD 134
CO) RD B6
4O RD 138
4O RD B10
4O RD B12
3063 SF
2968 SF
3002 SF
2928 SF
2858SF
2838 SF
4 RD 63
4 RD B5
OO RD B7
4 RD B9
4O RD B11
O RD 61
ROOF
DECKS
2 OVERFLOW DRAINAGE PLAN
O RD 132 4 RD 134 4 RD B6 4 RD 138 0 RD B10 4O RD B12
1,598 SF 1,487.6 SF 1,537 SF 1,471.5 SF 1,419 SF 1,419 SF
4 RD B3 4 RD B5 4 RD B7 4 RD B9 4O RD B11
RD 131
1,465 SF 1,480 SF 1,465 SF 1,457 SF 1,439 SF 1,419 SF
1 DRAIN CAPACITY PLAN - EXISTING DRAINS
OVERFLOW SCUPPER CAPACITY
522 SF
DRAIN (S)
475 SF
--------
-
REQ. AREA OF
OVERFLOW
SCUPPER (SI)
PER 1617.3
USE 3" HEAD FOR
OVERFLOW
SCUPPER - SET AT
2" ABOVE DRAIN
REQUIRED
OVERFLOW
SCUPPER
LENGTH
USE
5" x 15" OS
A
A 1 -3
1,664
1,593
C/) 4 RD D2
45.4
4 RD D3 -"
15
4 RD D4
1,811
LL
3,017
42.4
42.4 SI /(5 -2) IN =
14.1
5" x 15" OE'--
- --
U)
(0 ,'
522
- - -
522
11
B
` It
3,063
---
- --
43
43 SI /(5 -2) IN =
14.3
`\\ LID
- --
B 3 -4
2,968
- - -
2,968
41.8
41.8 SI /(5 -2) IN =
14
5" x 15" OS
4 "X5 "OS
B 5 -6
3,002
RD C14 4
3,002
i
Oo RD C4
(4 RD C8
RD C10
RD C12
B 7 -8
\`
/
2,928
41.3
41.3 SI /(5 -2) IN =
13.7
5" x 15" OS
I
/
2,858
- - -
2,858
40.5
40.5 SI /(5 -2) IN =
I
4 RD C2
I
0
RD C6 °
2,838
- - -
2,838
�
1069 SF
1044 SF
727 SF 691 SF
810 SF
921 SF
1060 SF
1,054
- - -
1,054
18.1
18.1 SI /(5 -2) IN =
12.3
5" x 13" OS
I
1,534
- - -
1,534
24
24 SI /(5 -2) IN =
/
I
C 3 -4
2,073
- - -
2,073
/
30.7 SI /(5 -2) IN =
10.2
5" x 13" OS
C 5 -6, D 3
1,942
---
I
29.1
29.1 SI /(5 -2) IN =
9.7
5" x 13" OS
/
\
---
1,367
22
22 SI /(5 -2) IN =
7.3
/ LL
C 9 -10, D 4
2,075
- - -
2,075
30.8
U)
U)
5" x 13" OS
C 11 -12
1,791
- - -
m
L0 \\
RD C3 4
4O RD C5 RD C7 OO
5" x 13" OS
RD C11 40
4 RD C13
N
4O RD C1
1,267
20.8
20.8 SI /(5 -2) IN =
12.7
5" x 13" OS
RD4D6
1
RD D1
1,414
---
4° RD C9
22.6
22.6 SI /(5 -2) IN =
i
5" x 13" OS
-�' 852 SF
1029 SF
693 SF 676 SF
790 SF
870 SF
1034 SF
O RD 132 4 RD 134 4 RD B6 4 RD 138 0 RD B10 4O RD B12
1,598 SF 1,487.6 SF 1,537 SF 1,471.5 SF 1,419 SF 1,419 SF
4 RD B3 4 RD B5 4 RD B7 4 RD B9 4O RD B11
RD 131
1,465 SF 1,480 SF 1,465 SF 1,457 SF 1,439 SF 1,419 SF
1 DRAIN CAPACITY PLAN - EXISTING DRAINS
OVERFLOW SCUPPER CAPACITY
2' -9" x 24' -6" (wall)
68 SF
ROOF
DECKS
DRAIN (S)
HORIZONTALLY
PROJECTED
ROOF AREA
(SF)
TRIBUTARY
VERTICAL
WALL AREA
(SF)
TOTAL
TRIBUTARY
ROOF DRAINAGE
AREA (SF)
REQ. AREA OF
OVERFLOW
SCUPPER (SI)
PER 1617.3
USE 3" HEAD FOR
OVERFLOW
SCUPPER - SET AT
2" ABOVE DRAIN
REQUIRED
OVERFLOW
SCUPPER
LENGTH
USE
5" x 15" OS
A
A 1 -3
1,664
1,593
3,257
45.4
45.4 SI /(5 -2) IN =
15
A2
1,811
1,206
3,017
42.4
42.4 SI /(5 -2) IN =
14.1
5" x 15" OE'--
- --
4 "X5 "OS
D3
522
- - -
522
11
B
B 1 -2
3,063
---
3,063
43
43 SI /(5 -2) IN =
14.3
5" x 15" OS
- --
B 3 -4
2,968
- - -
2,968
41.8
41.8 SI /(5 -2) IN =
14
5" x 15" OS
4 "X5 "OS
B 5 -6
3,002
---
3,002
42.2
42.2 SI /(5 -2) IN =
14
5" x 15" OS
0
B 7 -8
2,928
- - -
2,928
41.3
41.3 SI /(5 -2) IN =
13.7
5" x 15" OS
ROOF DRAINAGE CALCULATIONS
B 9 -10
2,858
- - -
2,858
40.5
40.5 SI /(5 -2) IN =
13.5
5" x 15" OS
0
B 11 -12
2,838
- - -
2,838
40.2
40.2 SI /(5 -2) IN =
13.4
5" x 15" OS
0
C + D
C 1, D 1
1,054
- - -
1,054
18.1
18.1 SI /(5 -2) IN =
12.3
5" x 13" OS
C 2, D 2
1,534
- - -
1,534
24
24 SI /(5 -2) IN =
12.3
5" x 13" OS
C 3 -4
2,073
- - -
2,073
30.7
30.7 SI /(5 -2) IN =
10.2
5" x 13" OS
C 5 -6, D 3
1,942
---
1,942
29.1
29.1 SI /(5 -2) IN =
9.7
5" x 13" OS
C 7 -8
1,367
---
1,367
22
22 SI /(5 -2) IN =
7.3
5" x 13" OS
C 9 -10, D 4
2,075
- - -
2,075
30.8
30.8 SI /(5 -2) IN =
10.3
5" x 13" OS
C 11 -12
1,791
- - -
1,791
27.3
27.3 SI /(5 -2) IN =
9.1
5" x 13" OS
C 13 D 6
1,267
- - -
1,267
20.8
20.8 SI /(5 -2) IN =
12.7
5" x 13" OS
C 14, D 5
1,414
---
1,414
22.6
22.6 SI /(5 -2) IN =
12.7
5" x 13" OS
PLANTER
SCUPPERS
ROOF
DECKS
DRAIN (S)
HORIZONTALLY
PROJECTED
ROOF AREA
TRIBUTARY
VERTICAL
WALL AREA
TOTAL
TRIBUTARY
ROOF DRAINAGE
REQ. AREA OF
OVERFLOW
SC
USE 3" HEAD FOR
OVERFLOW
REQUIRED
OVERFLOW
SCUPPER
USE
2' -9" x 24' -6" (wall)
68 SF
62' -3" X 24' -6" (w;
1,525 SF
2' -9" x 24' -6" (wall)
68 SF
Y
cfl
N �
X U)
Q
N
62' -3" X 24' -6" (wal
1,525 SF
Projected Tributary Roof Area
per Drain
Allowable Area
for existing 4"
pipe at 5"
rainfall rate
Roof rainfall per drain (in
gallons per minute)
144/231/60 =.0104 (GPM
on 1 SF roof at 1 ")
(SF)
(SF)
AREA (SF)
UPPER (SI)
PER 1617.3
SCUPPER - SET AT
2" ABOVE DRAIN
LENGTH
1,525
M
X
= c0
c°�I
D
D 1
195
- --
195
- --
- --
- --
4 "X5 "OS
D2
465
- --
465
- --
- --
- --
4 "X5 "OS
D3
522
- - -
522
11
11 SI /(5 -2) IN =
3.67
4" X 5" OS
D4
475
- --
475
- --
- --
- --
4 "X5 "OS
D5
354
- --
354
- --
- --
- --
4 "X5 "OS
D6
233
- --
233
- --
- --
- --
4 "X5 "OS
0
_RD C -4
1,044
0
RD C -5
693
0
RD C -6, D -3
1,249
ROOF DRAINAGE CALCULATIONS
RD C -7
PROJECT: SMH North Tower Reroofinq
Miami -Dade Rainfall Rate (RR) = 5
RD C -8
62' -3" X 24' -6" (w;
1,525 SF
2' -9" x 24' -6" (wall)
68 SF
Y
cfl
N �
X U)
Q
N
62' -3" X 24' -6" (wal
1,525 SF
Projected Tributary Roof Area
per Drain
Allowable Area
for existing 4"
pipe at 5"
rainfall rate
Roof rainfall per drain (in
gallons per minute)
144/231/60 =.0104 (GPM
on 1 SF roof at 1 ")
73
(Exis. Drain)
Mark
Horizontal
Roof Area SF
Additional
Vertical Walls
(SF)
RD A -1
1,419
1,525
RDA 2
1,811
1,206
RD A -3
889
68
RD B -12
_
1,419
0
RD B -11
1,419
0
RD B -10
73.79
0
RD B -9
_1,419
1,439
0
RD B -8
1,472
0
RD B -7
1,457
0
RD B -6
1,537
0
RD B -5
1,465
0
RD B -4
1,487
0
RD B -3
1,480
0
RD B -2
1,598
0
RD B -1
1,465
0
RD C -1, D -1
1,054
0
RD C -2, D -2
1,069
0
RD C -3
1,029
0
_RD C -4
1,044
0
RD C -5
693
0
RD C -6, D -3
1,249
0
RD C -7
676
0
RD C -8
691
0
RD C -9
790
0
RD C -10, D_ -4
1,285
0
RD C -11
870
0
RD C -12
921
0
RD C-13, D -6
1,267
0
RD C -14, D -5
1,414
0
OK
73.52
NOTES:
1 SCUPPER SELECTIONS BASED ON LARGEST
TRIBUTARY AREA TO ALLOW FOR STANDARD
CONSTRUCTION AND LOOKS
2 PLANTER TRIBUTARY DRAINAGE AREAS HAVE BEEN
ASSIGNED TO'C' DECK DRAINAGE CALCULATIONS
3 SCUPPER SELECTION IS BASED ON SECTION 1617,
FIGURE 1517.3 OF THE FLORIDA BUILDING CODE
4 ALL OVERFLOW SCUPPERS ARE PLACED TWO
INCHES ABOBE THE LOW POINT OF THE FINISHED
ROOFING SURFACE
DOWNSPOUT CAPACITY AT STAIRWELL
STAIR ROOF DECK : 160 SF
MECH CHASE ROOF DECK: 45 SF
USE 4" DIA. DOWNSPOUT
DRAINAGE CAPACITY: 3,680 SF AT 5" RAIN /HR RATE
(PER TABLE 1106.2'12007 PLUMBING CODE)
LARGEST TRIBUTARY AREA
Hydraulic Head for existing 4" drains (Interpolate
between flow rates of 170 and 80 gpm)
Interpolated
RR
Allowable Area
for existing 4"
pipe at 5"
rainfall rate
Roof rainfall per drain (in
gallons per minute)
144/231/60 =.0104 (GPM
on 1 SF roof at 1 ")
73
Table 1106.2
OK
Total Tributary
Roof Area
(SF)
Shall be less
than
(3,680 SF)
Area x 5 (RR) x .0104
(conversion factor) GPM
2,944
OK
153.09
3,017
OK
156.86
956
OK
49.71
1,419
OK
73.79
1,419
OK
73.79
1,419
OK
73.79
1,439
OK
74.83
1,472
OK
76.52
1,457
OK
75_76
1,537
OK
79.92
1,465
OK
76.18
1,487
OK
77.32
1,480
OK
76.96
1,598
OK
83.10
1,465
OK
76.18
1,054
OK
54.8
1,069
OK
55.59
_
1,029
OK
_
53.51
1,044
OK
54.29
693
OK
36.03
1,249
OK
64.94
676
OK
35.15
691
_
OK
35.93
790
OK
41.08
1,285
OK
_
66.82
870
OK
_
45.24
921
OK
47.89
1,267
OK_
65.88
1,414
OK
73.52
NOTES:
1 SCUPPER SELECTIONS BASED ON LARGEST
TRIBUTARY AREA TO ALLOW FOR STANDARD
CONSTRUCTION AND LOOKS
2 PLANTER TRIBUTARY DRAINAGE AREAS HAVE BEEN
ASSIGNED TO'C' DECK DRAINAGE CALCULATIONS
3 SCUPPER SELECTION IS BASED ON SECTION 1617,
FIGURE 1517.3 OF THE FLORIDA BUILDING CODE
4 ALL OVERFLOW SCUPPERS ARE PLACED TWO
INCHES ABOBE THE LOW POINT OF THE FINISHED
ROOFING SURFACE
DOWNSPOUT CAPACITY AT STAIRWELL
STAIR ROOF DECK : 160 SF
MECH CHASE ROOF DECK: 45 SF
USE 4" DIA. DOWNSPOUT
DRAINAGE CAPACITY: 3,680 SF AT 5" RAIN /HR RATE
(PER TABLE 1106.2'12007 PLUMBING CODE)
LARGEST TRIBUTARY AREA
Hydraulic Head for existing 4" drains (Interpolate
between flow rates of 170 and 80 gpm)
Interpolated
RR
Hydraulic
Heads (in) (IRR
x Interp factor)
(Allowable
Hydraulic Head
< 2 ")
73
1.81
OK
77
1.85
_
OK
-30
0.66
_
OK
-6
0.93
OK
-6
0.93
OK
-6
0.93
OK
-5
0.94
OK
-3
0.96
OK
-4
0.95
OK
0
1.00
OK
-4
0.96
OK
-3
0.97
_
OK
-3
_
0.97
_
OK
3
1.03
OK
-4
0.96
OK
-25
0.72
OK
-24
0.73
OK
-26
0.71
-26
_OK
OK_
-44
_0.71
0.51
OK
-15
0.57
OK
_
-45
0.50
OK
-44
0.51
OK
-39
0.57
OK
-13
0.85
OK
-35
0.61
OK
_
-32
OK_
-14
_0.64
0.84
OK
-6
0.93
OK
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Manuel Reyes- Otalora, R.A. AR -7319
MARK DATE DESCRIPTION
PS 5.5.2011 PERMIT SET
PROJ. NO: BHSF 2009 -57
CAD FILE:
DESIGN BY:
DRAWN BY:
CHECKED BY:
SHEET TITLE
A -102
SHEET OF
.�r