APPROVED ENG RESUB2 BLD2023-0640+PRESSURE SEWER+4.11.2024_4.46.45_PM+4191962BLD2023-0640
RECEIVED
Apr 12 2024
CITY OF EDMONDS
DEVELOPMENT SERVICES
DEPARTMENT
SEWER SYSTEMS
Environment One Corporation
Pressure Sewer Preliminary
Cost and Design Analysis
For
1.25" PIPE - PASS
Prepared For:
Tel:
Fax:
Prepared By:
ENGINEERING DIVISION
APPROVED AS NOTED
6/15/2024
on behalf of M. De Lilla
March 12, 2024
Budgetary Low Pressure Sewer System Costs
uanti Description Unit Cost Installation Sub Total
Piping 159 1 1.25" Pipe $0.00 0.00 $0.00
$0.00
Number of Connections 1
Total Per Connection $0.00 Total (w/o other) »»»»»» $0.00
Grand Total Per Connection $0.00 Grand Total (including other) »»»»»» $0.00
Note: The System Costs above are based on piping sized for, and Grinder Pumps manufactured by Environment One Corporation.
Page 1
PRELIMINARY PRESSURE SEWER- PIPE SIZING AND BRANCH ANALYSIS
Prepared By:
March 12, 2024
Zone
Connects
Number
Accum
als/day
Max Flow
Max
ax Flow
Pipe Size
qax
Length of MainFriction
Loss
riction
Accum Fri
Max Main
Minimum Pump
Static Head
otal
Number
to Zone
f Pumps
Pumps
er Pump
Per Pump
Sim Ops
GPM)
(inches)
Velocity
this Zone
Factor
Loss This
Loss (feet)
Elevation
Elevation
(feet)
ynamic
in Zone
in Zone
(gpm)
FPS)
ft/100 ft)
Zone
ead (ft)
This spreadsheet was calculated using pipe diameters for: SDR11
HDPE
Friction loss calculations were based on a Constant for inside roughness"C" of: 150
1.001 1.001 11 11 2201 12.001 11 12.00 1.25
2.66
159.001 2.211 3.521 3.52 1 96.46 1 72.501 23.961 27.48
Page 1 Note: This analysis is valid only with the use of progressive cavity type grinder pumps as manufactured by Environment One.
PRELIMINARY PRESSURE SEWER- ACCUMULATED RETENTION TIME(HR)
Prepared By:
March 12, 2024
Zone
Connects to
Accumulated
Pipe Size (inches)
Gallons per 100
Length of Zone
Capacity of Zone
Average Daily Flow
Average Fluid
Average Retention
Accumulated
Number
Zone
Total of Pumps
lineal feet
Changes per Day
Time (Hr)
Retention Time (Hr)
this Zone
This spreadsheet was calculated using pipe diameters for: SDRI IHDPE
Gals per Day per Dwelling 200
1.001 1.001 1 1 1.251 7.521
159.001 11.961 2201 18.391 1.301 1.30
Page 1 Note: This analysis is valid only with the use of progressive cavity type grinder pumps as manufactured by Environment One
Prepared by:
Notes :
On: March 12, 2024
««< END OF NOTES »»>
Figure 1
Grinder Pump Performance Characteristics
w
o'
V)
Ln
w
o'
D_
c�
z_
H
¢
w
CL
0
J
U_
D_
F-
100
95
90
85
80
75
70
65
60
55
50
rn
a 45
40
0
= 35
U
5� 30
Z
0 25
J
¢
0 20
15
10
5
0
-5
-10
-15
-20
-25
GRINDER PUMP, 1HP, 1725 RPM
1
LOW PRESSURE SYSTEM DESIGN PRESSURE
CONSULT FACTORY
FOR INTERMITTENT
USE ABOVE 80 PSI
OR 185 FEET TDH
_o
N
With
n typical
27 ft
operating
pressire
TDH
I
I
12
pm
0 2 4 6 8 10 12 14 16 18
DISCHARGE (Q), GPM
230
220
210
200
190
180
170
160
150
140
130
120
110
Of
100 Q
90 w
0
80 w
w
70
Z
60 0
¢
w
50 =
U
40 a
z
30
J
20 0
10
0
-10
-20
-30
-40
-50
-60
n
#E62
Buoyancy Calculation Tables for Pre -Approved pump
stations
E-One Buoyancy Calculations
Model
Minimum
amount of
Concrete
needed cf
DH/DR-151-63
14.5
DH/DR-151-74
16.6
DH/DR-151-93
20.4
DH/DR-151-129
27.5
DH/DR-151-160
33.6
3' Diameter Basin Calcs
(all other pre -approved stations)
Depth of
structure to Finish
Grade
Minimum
amount of
concrete needed
(cf)
6
21.2
7
24.7
8
28.2
9
31.8
10
35.3
11
38.8
12
42.3
13
45.9
Revised 311012023 E62 — Private Sewer Pumps (SFR) Page 7 of 8
SEWER SYSTEMS
Environment One Corporation
Pressure Sewer Preliminary
Cost and Design Analysis
For
2.00" PIPE - FAIL
Prepared For:
Tel:
Fax:
Prepared By:
March 12, 2024
Budgetary Low Pressure Sewer System Costs
uanti Description Unit Cost Installation Sub Total
Piping 159 1 2.00" Pipe $0.00 0.00 $0.00
$0.00
Number of Connections 1
Total Per Connection $0.00 Total (w/o other) »»»»»» $0.00
Grand Total Per Connection $0.00 Grand Total (including other) »»»»»» $0.00
Note: The System Costs above are based on piping sized for, and Grinder Pumps manufactured by Environment One Corporation.
Page 1
PRELIMINARY PRESSURE SEWER- PIPE SIZING AND BRANCH ANALYSIS
Prepared By:
March 12, 2024
Zone
Connects
Number
Accum
als/day
Max Flow
Max
ax Flow
Pipe Size
Max
Length of MainFriction
Loss
riction
Accum Fri
Max Main
Minimum Pump
Static Head
otal
Number
to Zone
f Pumps
Pumps
er Pump
Per Pump
Sim Ops
GPM)
(inches)
Velocity
this Zone
Factor
Loss This
Loss (feet)
Elevation
Elevation
feet)
ynamic
in Zone
in Zone
(gpm)
FPS)
ft/100 ft)
Zone
ead (ft)
This spreadsheet was calculated using pipe diameters for: SDR11
HDPE
Friction loss calculations were based on a Constant for inside roughness"C" of: 150
1.001 1.001 11 11 2201 12.001 11 12.00 2.00
1.30
159.001 0.391 0.621 0.62 1 96.46 1 72.501 23.961 24.58
Page 1 Note: This analysis is valid only with the use of progressive cavity type grinder pumps as manufactured by Environment One.
PRELIMINARY PRESSURE SEWER- ACCUMULATED RETENTION TIME(HR)
Prepared By:
March 12, 2024
Zone
Connects to
Accumulated
Pipe Size (inches)
Gallons per 100
Length of Zone
Capacity of Zone
Average Daily Flow
Average Fluid
Average Retention
Accumulated
Number
Zone
Total of Pumps
lineal feet
Changes per Day
Time (Hr)
Retention Time (Hr)
this Zone
This spreadsheet was calculated using pipe diameters for: SDRI IHDPE
Gals per Day per Dwelling 200
1.001 1.001 1 1 2.001 15.401
159.001 24.491 2201 8.981 2.671 2.67
Page 1 Note: This analysis is valid only with the use of progressive cavity type grinder pumps as manufactured by Environment One
Prepared by:
Notes :
On: March 12, 2024
««< END OF NOTES »»>