Manhole 2
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CALCULATION FOR THE COMPONETS OF THE SEWERAGE SYSTEM Project Title : NICHIA (MALAYSIA) SDN. BHD.
Job No
Manhole
: 1/1
Date
: 12TH MAY 1997
Designed By
: H. P. LOW
: SM/NM/SW/001
Density
Population
Cummu
Cummu
Design
Cummu
to
(Persons/
on line
-lative
-lative
Flow at
-lative
Manhole
Unit
Population
Population
DWF
Design
(Person)
Equivalant
Unit
(m³/min)
Diameter Gradients (mm)
Velocity
Capacity
Length
Fall
(m/s)
(l/s)
(m)
(m)
2
3
6
6
1.8
0
0
225
1 : 150
1.2
50
24
0.16
-
-
-
6
1.8
0
0
225
1 : 150
1.2
50
15
0.10
17
3
51
57
17.1
0
0.01
225
1 : 150
1.2
50
22
0.15
4
3
12
69
20.7
0
0.01
225
1 : 150
1.2
50
28
0.19
MH-II-8
MH-II-9
MH-II-10
MH-II-6
MH-II-1 6
3
18
18
5.4
0
0
225
1 : 150
1.2
50
22
0.15
-
-
-
18
5.4
0
0
225
1 : 150
1.2
50
11
0.07
26
3
78
96
28.8
0
0.02
225
1 : 150
1.2
50
8
0.05
-
-
-
96
28.8
0
0.02
225
1 : 150
1.2
50
17
0.11
-
-
-
96
28.8
0
0.02
225
1 : 150
1.2
50
17
0.11
23
3
69
165
49.5
0
0.03
225
1 : 150
1.2
50
17
0.11
MH-II-2
MH-II-3
MH-II-4
MH-II-5
MH-II-6
PUMP SUMP TO 50 PE AERATION TANK
I.L.
Depth
Manhole
(m)
Type
Flow
MH-II-7
TO
G.L.
(m³/min)
P.E (0.3)
TO
Sheet No
29.1
27.60
1.5
HEAVY
29.1
27.44
1.66
HEAVY
29.1
27.22
1.88
HEAVY
29.1
27.03
2.07
HEAVY
29.57
26.88
2.69
HEAVY
29.1
27.60
1.50
HEAVY
29.1
27.45
1.65
HEAVY
29.1
27.38
1.72
HEAVY
29.57
27.33
2.24
HEAVY
29.57
27.22
2.35
HEAVY
29.57
26.88
2.69
HEAVY
29.71
26.77
2.94
HEAVY
: 12TH MAY 1997
Remarks
FR. CHANGING RM.
FR. EXT'G MH 5
FR. M/T 1
FR. M/T 2,3 & F/T 1,2
FR. MH-II-10
Job No
Manhole
: 1/1
Date
: 12TH MAY 1997
Designed By
: H. P. LOW
: SM/NM/SW/001
Density
Population
Cummu
Cummu
Design
Cummu
to
(Persons/
on line
-lative
-lative
Flow at
-lative
Manhole
Unit
Population
Population
DWF
Design
(Person)
Equivalant
Unit
(m³/min)
Diameter Gradients (mm)
Velocity
Capacity
Length
Fall
(m/s)
(l/s)
(m)
(m)
2
3
6
6
1.8
0
0
225
1 : 150
1.2
50
24
0.16
-
-
-
6
1.8
0
0
225
1 : 150
1.2
50
15
0.10
17
3
51
57
17.1
0
0.01
225
1 : 150
1.2
50
22
0.15
4
3
12
69
20.7
0
0.01
225
1 : 150
1.2
50
28
0.19
MH-II-8
MH-II-9
MH-II-10
MH-II-6
MH-II-1 6
3
18
18
5.4
0
0
225
1 : 150
1.2
50
22
0.15
-
-
-
18
5.4
0
0
225
1 : 150
1.2
50
11
0.07
26
3
78
96
28.8
0
0.02
225
1 : 150
1.2
50
8
0.05
-
-
-
96
28.8
0
0.02
225
1 : 150
1.2
50
17
0.11
-
-
-
96
28.8
0
0.02
225
1 : 150
1.2
50
17
0.11
23
3
69
165
49.5
0
0.03
225
1 : 150
1.2
50
17
0.11
MH-II-2
MH-II-3
MH-II-4
MH-II-5
MH-II-6
PUMP SUMP TO 50 PE AERATION TANK
I.L.
Depth
Manhole
(m)
Type
Flow
MH-II-7
TO
G.L.
(m³/min)
P.E (0.3)
TO
Sheet No
29.1
27.60
1.5
HEAVY
29.1
27.44
1.66
HEAVY
29.1
27.22
1.88
HEAVY
29.1
27.03
2.07
HEAVY
29.57
26.88
2.69
HEAVY
29.1
27.60
1.50
HEAVY
29.1
27.45
1.65
HEAVY
29.1
27.38
1.72
HEAVY
29.57
27.33
2.24
HEAVY
29.57
27.22
2.35
HEAVY
29.57
26.88
2.69
HEAVY
29.71
26.77
2.94
HEAVY
: 12TH MAY 1997
Remarks
FR. CHANGING RM.
FR. EXT'G MH 5
FR. M/T 1
FR. M/T 2,3 & F/T 1,2
FR. MH-II-10
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