HomeMy WebLinkAboutSDP202000052 Plan - Submittal (First) 2021-07-14PRELIMINARY CENTRAL SEWAGE SYSTEM PLAN FOR:
REGENTS SCHOOL OF CHARLOTTESVILLE
S D P2020-010
LEGEND
TAX
MAP 75, PARCEL 66
EXISTING
NEW
DESCRIPTION
TAX
MAP 76, PARCEL 17
BOUNDARIES
011111110
BENCHMARK
ALBEMARLE
COUNTY, VIRGINIA
SITE PROPERTY LINE
ADJACENT PROPERTY LINE
VICINITY MAPSCALE : , =1000'
BUILDING SETBACK
PARKING SETBACK
SITE TEXT
OWN ER/DEVELOPER
10
10
PARKING COUNT
Regents School of Charlottesville Inc.
TOPOGRAPHY
3045 Ivy Road
B U C K I N G H A M
INDEX CONTOUR
Charlottesville, Virginia 22903
�'
BALM 0 R A L
INTERVAL CONTOUR
PLAN PREPARATION
HEIGHT S
RESERVOIR ROAD
311.5 x
��
SPOT ELEVATION
Shimp Engineering, P.C.
Umversdy
Q Montesson School
311.5 TC x
TOP OF CURB ELEVATION
912 East High Street
Charlottesville, VA 22902
Charlottesville,
,SITE
Fontaine Research Park Q
311.5 TW x
TOP OF WALL ELEVATION
(434) 227-5140
m� Rugged Mountain Q
my Presoytenan
311.5 BW x
�—
BOTTOM OF WALL ELEVATION
ZONING
Hnmr+tl I
�urch
—
STREAM
EC - Entrance Corridor
STREAM BUFFER
R1 - Residential
SP201800011 approved on September 18, 2019
andr..rre•bra 0
100 YEAR FLOODPLAIN
permitting a private school use on the site
n
BUILDING
MAGISTERIAL DISTRICT
BUILDING
Samuel Miller
RETAINING WALL
SOURCE OF TITLE
STAIRS
EDGE OF PAVEMENT
DB 5237 P 251
DB 660 P 780 (plat)
IMAGE PROVIDED BY GOOGLE MAPS
ROAD CENTERLINE
EXISTING USE
FRONT OF CURB
Vacant Land
BACK OF CURB
PROPOSED USE
CG-12 TRUNCATED DOME
SIDEWALK
Private School (Grades K-12)
468 Students
BIKE PARKING
NOTES
HANDICAP ACCESSIBLE AISLE
Regents School site plan improvements shown for reference only.
HANDICAP PARKING
This plan only proposes the new sanitary sewer system to serve
MATERIAL
Regents School.
SHIMP
CONCRETE
RELIABILITY CLASSIFICATION
RIPRAP
Class
ENGINEERING2.
ASPHALT
LAND PLANNING -PROJECT MANAGEMENT
EC-2 MATTING
EC-3 MATTING
SHEET INDEX
912 E. HIGH ST. 434.227.5140
WETLAND
CHARLOTTESVILLE VA, 22902 JUSTIN@SHIMP-ENGINEERING.COM
TREELINE
C1 COVER
X
X
FENCE
C2 SITE OVERVIEW
UTILITY
C3 SANITARY SEWER FORCE MAIN PLAN
UTILITY POLE
m
m
GUY WIRE
C4 SANITARY SEWER GRAVITY FLOW PLAN
OHU
OHU
OVERHEAD UTILITY
CS SANITARY SEWER PUMP STATION DETAILS
ucu
—ucu —
UNDERGROUND UTILITY
C6 SANITARY SEWER PUMP STATION CALCULATIONS
p
STORM
v JLJ TUN S Y
Lie. N . 45183
STORM MANHOLE
113
2 1 w4
q
q
DROP INLET
�0
STORM SEWER
G
`S IONAL E�
ROOF DRAIN
SANITARY
SANITARY MANHOLE
SANITARY SEWER MAIN
CENTRAL SEWAGE SYSTEM PLAN
S
S
SANITARY SEWER LATERAL
REGENTS
WATER
W
W
WATER LINE
SCHOOL
O
O
WATER METER
0
o
WATER METER VAULT
111"M
FIRE HYDRANT
ALBEMARLE COUNTY, VIRGINIA
A
A
FIRE DEPARTMENT CONNECTION
SUBMISSION:
GAS
2021.07.12
GAS
GAS —
GAS LINE
REVISION:
EASEMENTS
CONSTRUCTION
GRADING
ACCESS
SIGHT DISTANCE
UTILITY
STORMWATER FACILITY MAINTENANCE
STORMWATER ACCESS
FILE NO.
DRAINAGE
18.020
SANITARY
WATERLINE
GASLINE
COVER
NOTE:
1. THE SIZE OF THE
SYMBOLS MAY VARY
FROM WHAT IS SHOWN.
C1
/
/
/ NH /
DAVID HARLOW
6/
D.B. 290, PG . 154
/ TM 75-61
\ / ZONE: R1 RESIDENTIA/
/ USE: SINGLE FAMILY R SI NTIAL
\ N/
/ RICHARD SHRUM
/ D.B. TM 7 , PG. 60 194 /
USE: SINGLEEN
RFAMILRESYDRESIDENTIAL
r� N
/ TON DI
DINH
D B 4415, PG. 7
TM 75-61A
ZONE R1 RESIDENTIAL
USE: SINGLE FAMILY RESIDENTIAL
� >7
O \
Cy
\ 222 52':.
N4^
N 47
09,—_�7___
REGENTS SCHOOL OF CHARLOTTESVILLE INC
m� D.B. 5237, PG. 251 /
i? TM 75-66 / T
O
O
I I1
1
I 1
1
I I
1
I 1
1
1 N/F I N/F
1 CECL JOHNSON UNIVERSITY OF VIRGINIA FOUNDATION
I D.B. 936, PG. 722 1
TM 76-14 1 D.B. 4170, PG. 689
ZONE: R1 RESIDENTIAL I TM 76-13B
1 USE: SINGLE FAMILY RESIDENTIAL ZONE: R1 RESIDENTIAL
USE: SINGLE FAMILY RESIDENTIAL
45.02'44" E
264.31'
REGENTS SCHOOL OF CHARLOTTESVILLE INC
D,B. 5237, PG. 251
TM 76-17
Z/S
\
REGENTS SCHOOL SITE
NEW 60" DIA. PUMP STATION
TO SERVE REGENTS SCHOOL
.........
— r w wow w w w
M
�w } �._ 322
p��.�m�$ O
1 E X, k7-0
ate$ 4 k
w°srai�iw 4 `
k �
S �
NEW 3)1 FORCE MAIN
TO ACSA SANITARY SEWER SYSTEM
TRINITY PRESBYTERIAN CHURCH
t:.
GraphicScale:•0
NEW ACSA MANHOLE
NEW GRAVITY SEWER
38 LF
EXISTING ACSA SANITARY SEWER SYSTEM
240
SHIMP
ENGINEERING
LAND PLANNING - PROJECT MANAGEMENT
912 E. HIGH ST. 434.227.5140
CHARLOTTESVILLE VA, 22902 JUSTIN@SHIMP-ENGINEERING.COM
U
Lie. N . 45183
� 12 k 4�
� OX72TT. E01. � 1
CENTRAL SEWAGE SYSTEM PLAN
REGENTS
SCHOOL
ALBEMARLE COUNTY, VIRGINIA
SUBMISSION:
2021.07.12
REVISION:
FILE NO.
CENTRAL SEWER
OVERVIEW
18.020
C21
20
dry. \�\ _% C� 30 0 30 60 90
o Graphic Scale: 1 "=30'
00
\ \ w w —w�� �w �w �w —w —w {— 2 w —wI—w —w '8Xo _ -- _-\ \ -_ - — i. °
— \\\9.7
�00 61
CG-6 NOT T�1 �. —.. —.. —.. _ — — NEW 2 �_T
SA EXCEED i SLOPE — — — — \ — �i i-N, \ \
AT6G�12 3 SVC — — \ % — i i 17+00
6�\\ \ L7F \11A�'00
�L� _
raa . ^ a; — — T — . �..0 ..,, / i75+
5/8' WM / — — _��w CW 0�
lV
IN
/ W \
SF
\ — — C ON','SRO• ASSR�OM ETAINING WALL M%> EIGHT 6' \ \ \ — "�
2,�86 S� _ 2,255 SF / F 5X00
8. 514.� / \
— ADMINISTRATIVE \ &EGEI9TS — /
BUILDING
L/ HALL
-F-E 518
E3T8:5� .5-- — 606 F — — �/,�_ \ \ \ \ \ \ \ \ \ — — — _ — — — — — / // i _F_'!_ \ .,�.``• // \ \� O. \\ \
\ \ CLASS 0
\ ^ /FFE 5 r — — —FE
IS
^\ / CL sSF-
ME SR0,01
-- ` — — — — — — — —
5,74.5 m
/CI
N--CL-6A0
S0
SBOOM ` o 'EOM OFFS / \ \\ \ _ — — — \ \ \
\�_" \/ \ /\ ✓/__'_/—\ I �7II�I\� _—_ _— -- �GV0P� 51Ooy. 5E5RsF ��5 //FF_ `/ /I// I //\///IIS// ,la `'I r/ / /// — / / �--\\� \�\ \\�\ \_ \\ _Y\'—\� \— —�—\ -- — --- -----_ _-- ------ -- --� -- _ —`_\— —�\_ \ / —�\\ I — — \ \ \ \\�7` / l\ 1\ \ `\// 1II/ I �I // �/
FFE 514.5 00I
N/ EVl /10F IVAT
S�ANAR-0ROD-OOM 6 DIAMETER z SE
FFE 514.5 k5 MP STATIOiV IiASEM�T
0Z /
7 9Q/A2Op//
. nI
/ BUILDING 4, / / / — — _ \ \ \ � / / / / / I I I / I I I cR
\ \ I ,ELEVATED ON PIER // / / / / / / ,— — _ — \ — \ — — — \ ` \ I\ \) / /I / / / / / / / / // / / / 11 l I I I I (A
\� F
FOUNBATIONS
\ NEW 247 LF - 8,, SDR- 8 — / / / / / / / / / / `" \ — — — - / / / / / /
\\----------_\ _ —
\ _ / / / / --pQe-
I
/ I L
�\ �4 °, P�
LO
0
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00
N
C�
240----/ PH
Cl-
CD CD
\ \ \ 8' WL 40pp-� \� W _ W\ 23+ 00 �,. T.X: LINE' \ \ ) I Lf) I I
/�� / -PL
C� X' T� R wl I ROUTE 2 24t50 W zc—
\ \ EPLA E q E LINE WITH�ALLEL INSi�iL ? W _ _ � 70 - RES �'—
)9
I � w W 10 0p - ERVO -ROAD ) . 25+00�
F ) / / CUT & CAP EX. 6 LINE / \ 26+00 \ 2+00 27+25
F �` UPON eOWLETfORT \ .. .. \.. .
F - NEi4-8" N�
F
a \ ..
w —w
,f
SHIMP
ENGINEERING
LAND PLANNING - PROJECT MANAGEMENT
912 E. HIGH ST. 434.227.5140
CHARLOTTESVILLE VA, 22902 JUSTIN@SHIMP-ENGINEERING.COM
U
Lie. N . 45183
� i2
� IOX72T. E�
CENTRAL SEWAGE SYSTEM PLAN
REGENTS
SCHOOL
ALBEMARLE COUNTY, VIRGINIA
SUBMISSION:
2021.07.12
REVISION:
FILE NO.
18.020
SANITARY SEWER FORCE
MAIN PLAN
C3
BACKUP RENERATXR
.1. WATER AI SLEV. - 185.31'
LAC ROW'N' El£V. A9A.21
I D PUMP 'ORT ELEV. A93.2L—
ALL PIMPS'OR" ELEV. ABR.A7—
.. OF MET.1 ELEV. ABB.Ctl
CONTROL PANEL BOY. SHALL CONTAIN
A REMOTE MONITORING SYBTEY TO
BE MANAGED BY A CONTRACTED
PRCTESSIoNAL THIRD PARTY.
�MICN WATER AXSL uCAIT
CCH1R(IL PANEL
IMET .1 - ABBS9'
S'
TOP VIEW
CCMCBm PAD
BAIXUP WIERARM
BM"'l PANEL
O
FRONT VIEW SIDE VIEW
SANITARY SEWER PUMP STATION DETAILS
Scale: 1
CONTRACTOR SHALL OBTAIN SHOP DRAWINGS FROM VENDOR
FOR PUMP ASSEMBLY, GENERATOR, AND CONTROL PANELS.
SUBMIT SHOP DRAWINGS TO ENGINEER FOR REVIEW OF ANY
PROPOSED CHANGES AND FINAL APPROVAL OF DRAWINGS
PRIOR TO PURCHASE OF PUMP -RELATED EQUIPMENT.
(B-WAY)
TRACED MP£ INSTALLED ALONG OISMARCIS TINE
DISCNARIE TINE
SHIMP
ENGINEERIN 32
LAND PLANNING - PROJECT MANAGEMENT
912 E. HIGH ST. 434.227.5140
CHARLOTTESVILLE VA, 22902 JUSTIN@SHIMP-ENGINEERING.COM
U
Lie. N . 45183
h ilk 4�
kpp
CENTRAL SEWAGE SYSTEM PLAN
REGENTS
SCHOOL
ALBEMARLE COUNTY, VIRGINIA
SUBMISSION:
2021.07.12
REVISION:
FILE NO.
18.020
SANITARY SEWER
30 0 30 60 90 PUMP STATION
DETAILS
Graphic Scale: Hcrx: 1"-30' Vert: 1 "=10
C5
APPLICATION DATAAND CONSTRUCTION DETAILS
Maximum Solid Size
3"
Minimum Casing Thickness
516"
Casing Corrosion Allowance
W.
Maximum Working Pressure
30 PSI
Maximum Submergence
50 feet
Minimum Submergence
Fully submerged for continuous operation
6" below top of motor for intermittent operation
Maximum Environmental Temperature
400 C(104° F) continuous operation, 60°C(140" F) intermittent operation
Power Cable -Type
(See Motor Information forAWG data/size.)
Type SJTOW: single phase, 1 6 and 2 HP
Type STOW: single phase, 1'k - 3 HP and 5 HP, 460 V
Type STOW: single phase, 3 and 5 HP, three phase 5 HP, 230 V and 71h HP
Motor Cover, Bearing Housing, Seal Housing, Casing
Gray Cast Iron -ASTM A48, Class 30
Impeller - Standard, Optional
Gray Cast Iron -ASTM A48 or Cast Bronze - ASTM B584 C87600
Motor Shaft
AISI 300 Series Stainless Steel
Motor Design
NEMA 56 Frame, oil filled with Class F Insulation
Motor Overload Protection
Singlephase: on winding thermal overload protection auto reset
Threephase: requires Class 10 overloads in control panel
External Hardware
300 Series Stainless Steel
Im ellerT a
Semi -open with pump out vanes on back shroud
Oil Capacity- Seal Chamber
1.5 quarts
Oil Capacity - Motor Chamber
life-5 HP single and threephase: 7 quarts
7%HP three phase: 6.5 quarts
Mechanical Seals - Standard
PUpper
I Carbon/Ceramic; Type 21
Lower
I Silicon Carbide/Silicon Carbide; Type 31
Mechanical Seals - Optional Lower
I Silicon Carbiderrungsten Carbide; Type 31
(All dimensions are in inches. Do not use for construction purposes.)
25 a
it FLAN E
3.50"
APPLICATIONS
Used in a variety of residential, commercial and
industrial applications such as:
• Sewage systems, Flood and Pollution Control,
Dewatering/Effluent, Farms, Hospitals, Trailer Courts,
Motels
SPECIFICATIONS
Pump:
• Maximum solid size: 3"
• Discharge size: 4 , 125 # ANSI flange
• Maximum capacity: 620 GPM
• Maximum total head: 60 feet
• 300 Series stainess steel fasteners
• 20' Power cord
• Standard silicon carbide/silicon carbide outer seal
Motor:
• Maximum ambient temperature: 1040 F (40' C)
continuous duty, 140' F (60' C) intermittent duty
• Rated for continuous duty when fully submerged
• Insulation: Class F
e 60 Hertz
• Single row ball bearings
• 300 Series stainless steel keyed shaft
Single Phase:
• 1.5 - 5 HP; 208 and 230 volts
e Built-in thermal overloads with automatic reset
e Built-in capacitors
MODELAND MOTOR
Throe Phase:
• 1.5 - 7.5 HP; 200, 230,460 and 575 volts
• Class 10 overload protection must be provided in
control panel
MOTORS
• Fully submerged in oil -filled chamber: High grade
turbine oil surrounds motor for more efficient heat
dissipation, permanent lubrication of bearings and
mechanical seal for complete protection against
outside environment.
• Class F insulation
• Designed for Continuous Operation: Pump ratings
are within the motor manufacturer's recommended
working limits and can be operated continuously
without damage when fully submerged.
• Bearings: Upper and lower heavy duty ball bearing
construction for precision positioning of parts and
to carry thrust loads.
• Power Cable: Severe duty rated, oil and water
resistant. Epoxy seal on motor end provides
secondary moisture barrier in case of outer
jacket damage and to prevent oil wicking. 20 foot
standard with optional lengths available.
• O-ring: Assures positive sealing against
contaminants and oil leakage.
AGENCY LISTINGS
c
Tested to UL 778 and CSA 22.2 108 Standards
By Canadian Standards Association
File #LR38549
Order No.
NP
Phase
Voth
RPM
Impeller
Dia. in.
Maximum
Am
LB.
Am
KVA
Code
Power
Cable
F.L.
Resistance
Wt.
(lbs.)
Start
Line -Line
WS1518D4M
W51512D4M
1.5
1
208
1750
5.63
17.2
50.8
B
14/31.4
1.1
0.9
195
230
14.7
29.5
E
1.8
WS1538D4M
W51532D4M
3
200
11.5
40.9
H
14/4NA
1.7
230
10.0
40.0
F
P.3
W 15 4D4M
WS1537D4M
46
5.0
20.0
F
9.3
575
4.0
14.4
H
14.8
WS1518D4
WS1512D4
W51538D4
WS1532D4
1.5
1
208
1750
6.25
17.2
50.8
B
14/31.4
1.1
0.9
195
230
14.7
29.5
E
1.8
3
200
11.5
40.9
H
14/4
81
MP'
1.7
230
10.0
40.0
F
83
2.3
W 15 4D4
WS1537D4
46
5.0
20.0
F
8
9.3
575
4.0
14.4
H
74
14.8
WS2018D4
WS2012D4
WS2038D4
W52032D4
WS203404
2
1
208
1750
6.63
20.3
50.8
B
14/31.4
1.1
0.9
200
230
17.3
36.9
D
1.5
3
200
13.3
40.9
H
14/4NA9.3
1.7
230
11.6
40.0
F
2.3
460
5.8
20.0
F
W52037D4
575
4.6
14.4
H
14.8
W53018D4
W53038D4
WS3032D4
3
208
;1750.'
7.00
25.5
50.8
B
�C;
f10%3.�1.01
M85
1.1
0.9WS3012D4i
;2301
;215'
'46.41
1.0'208
3
20016.6
53.8
G
10/4
1.3
230
14.4
49.5
H
14/4NA
1.9
WS3034D4
WS3037D4
7.2
24.8
H
75205
5.8
17.3
G
11.6
WS5012D4
WS5038D4
5
1
7.25
26.5
57.7
A
10/3
80
1.0
0.8
213
350
19.1
73.9
F
10/4NA
84
0.9
210WS5037D4
t
14/480
6.6
22.8
E
7.4
W57532D4
W57534D4
7.5
3
50
7.69
23.0
105.0
G
10/4
83
NA
0.7
225
11.5
52.5
G
83
2.8
WS7537D4
9.2
42.0
E
84
4.4
PAGE
2 PUMP SPECIFICATIONS
C6 Scale: N/A
Discharge Pipe Information
Pipe 1
3" force main
Pipe 1
Pipe length (feet)
1500 ft
Pipe diameter (inches)
3 in
Pipe C-factor
120
Portion of Flow
1
Cross -sectional area (feet)
0.049 ft
Hydraulic radius
0.063 ft
Suction water surface elevation (A)
Suction water surface elevation (B)
Discharge water surface elevation
Static head (A)
Static head (B)
488.00 feet
489.00 feet
490.00 feet
2.0 feet
1.0 feet
Daily Average Flowrates
Type:
Unit:
Number of Units:
gpcVunk
Total(gpd)
Grade School w/ Showers
per student / staff
468
16
7,488
F
I
I
I
I
`day assumed to be 12-hrfor purpose of this analysis.
Total 7,488
Daily Peak Flowrates
Type:
Un it:
Number of Units:
Daily Average Flow
gpd (12-hr)
7,486
Daily Average Flow
gpm
10.40
Peaking Factor
n/a
2.5
Peak Daily Flow
gpm
26.01
Wet Well Sizing
Type:
Lin it:
Number of Units:
Diameter
ft
5
Volume per foot
gallons
100
Wet Working Depth
ft
5.24
Wet Working Volume
gallons
5.95
Total Storage
gallons
1,422
Pumping Rate
gpm
75
Time to Empy
minutes
19
Duplex Rump (2 Pumps)
I Parameter
Ftessure
Ppe Length, (ft)
Rpe Dia., (in)
HazenWllliam;Gbeff. C
1500
3
120
"Piping from purrp basin to discharge point
Minor Losses
Typg
Kvalues
# Fittings
Cate Valve
0.19
0
Rua Valve a/oo
0.86
1
Butterfly Valve
0.4
0
SeAng Check Valve
2.5
1
W Bend
0.25
1
45' Bend
0.2
3
22.50 Bend
0.12
0
11.25' Bend
0.06
0
Tee (through)
0.6
0
Tee side out
1.8
0
QoSs hrcu h
0.6
0
QnSs Iside cut
1.8
0
Heduoerf Increaser
0.1
0
Discharcietoar
1
1
120.00
100.00
80.00
x
= 60.00
0
40.00
20.00
System Curve - Head Loss Calculations
Flowrake
Water Velocity In:
Dynamic Losses, It
Total Dynamic Head
Total Dynamic Head (+20%)
gpm
cfs
Velocity
ft/s
Minor Losses
Pipe Friction
Max. Lift
ft
Min. Lift
fk
Max. Lift
ft
Min. Lift
ft
0
0
0
0
0
2.00
1.00
2.40
1.20
5
0.01
0.23
0.00
0.21
2.21
1.21
2.66
1.46
10
0.02
0.45
0.01
0.75
2-77
1.77
3.32
2.12
15
0.03
0.68
0.03
1.60
3.63
2.63
4.35
3.15
20
0.04
0.91
0.06
2.72
4.78
3.70
5.73
4.53
25
0.06
1.13
0.09
4.11
6.20
5.20
7.44
6.24
30
0.07
1.36
0.13
5.75
7.09
6.09
9.46
0.26
35
0.08
1.59
0.18
7.65
9.83
8.83
11.80
10.60
40
0.09
1.02
0.24
9.00
12.03
11.03
14.44
13.24
45
0.10
2.04
0.30
12.10
14.40
13.48
17.37
16.17
50
0.11
2.27
0.37
14.80
17.17
16.17
20.60
19.40
55
0.12
2.50
0.45
17.66
20.10
19.10
24.12
22.92
60
0.13
2.72
0.53
20.74
23.27
22.27
27.92
26.72
65
0.14
2.95
0.62
24.05
26.67
25.67
3201.
30.81
70
0.16
3.10
0.72
27.58
30.31
29.31
36.37
35.17
75
0.17
3.40
0.03
31.34
34.17
33.17
41.00
39.80
80
0.18
3.63
0.94
35.31
38.26
37.26
45.91
44.71
85
0.19
3.86
1.07
39.50
42.57
41.57
51.08
49.88
90
0.20
4.08
1.19
43.91
47.10
46.10
56.53
55.33
95
0.21
4.31
1.33
48.53
51.86
50.86
62.23
61.03
100
0.22
4.54
1.47
53.36
56.83
55.83
68.20
67.00
Wet Well Calculations
Wet Well Diameter 5 ft
Wet Well Height 10 ft
Pump Rate 75 gpm
'Pump rate is where system curve and pump curve cross
Min active wetwell volume:
1) Mn of tminute pump rate time
75 gallons
2) 10 minutes pump cycle time ( 3 cycles/hr/pump )
187.5 gallons
Dimensions ofsloped portion around base ofwetwell (ft):
height= 1.00 width =
1.00
Volume perfootof depth ofwetwell :
Volume of storage per ftofheight
Depth (ft) Volume (gal)
147 gal/ft
0
0
1
100
2
247
3
394
4
540
5
687
6
834
7
981
8
1128
9
1275
10 1
1422
3 PUMP STATION CALCULATIONS
C6 Scale: N/A
flow rate into Wet Well Qin=
scharge Flow Out of WetWell Qout=
imum cycle time between starts Tmin=
Storage Volume of Well
ghtto start pump
ime storage atpump start
e to S tartPu m p from empty
e to Empty From Start
imum cycle time between starts
31 Cycle Time
Ies per Day(12 Hours)
Ies per hour
cCycles per hour
Wet Well
26.01 gpm
75.00 gpm
Omin
Vmin= I 93.751gal
5.24 ft
723 gal
25.39 min
9.65 min
5.00 min
14.65 min
23.70 cycles/12hr
1.97 cycl/hr
4.10 cycl/hr
Minimum Submergence Hx
Fd= 0.020
Hx= 0.175 ft
Hmin= 4.775 ft
System & Pump Curves - Regents School/Trinity Church
0 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 100 105 110 115 120 125 130
Flow (gpm)
0.058 cfs
0.167 cfs
0.42 hr
0.16 hr
0.08 hr
0.24 hr
Pum p settings
1)Bottom ofwet well
488.00 ft
2)Pump Inlet
488.29 ft
2)AII pumps off
488.47 ft
3) Lead pump on
493.24 ft (Condition A)
4) Lag pump on
494.24 ft (Condition B)
5)High Water Alarm
495.24 ft
6)Top ofwet well
498.00 ft
SYSTEM & PUMP CURVES
C6 Scale: N/A
Pump Selection
Pump 5
Goulds
WS_D4 Series
Model. 3888D4
WS30D4
Oder No. WS3012D4
3 " (Solids)
4"Discharge Flange
1-Phase 230V
1750 RPM
Max Amps: 21.5
Flow
Pump 5 TDH
(gpm)
TDH (ft)
0
46.00
5
45.50
10
45.00
15
44.50
20
44.00
25
43.75
30
43.50
35
42.88
40
42.25
45
42.13
50
4200.
55
41.50
60
41.00
65
40.63
70
40.25
75
40.13
80
40.00
85
39.50
90
39.00
95
38.75
100
38.50
105
38.25
110
38.00
115
37.75
120
37.50
125
37.00
130
36.50
TDH - Max.
TDH - Min.
-*-Pump 5
SHIMP
ENGINEERIN 32
LAND PLANNING - PROJECT MANAGEMENT
912 E. HIGH ST. 434.227.5140
CHARLOTTESVILLE VA, 22902 JUSTIN@SHIMP-ENGINEERING.COM
U
Lie.
1
CENTRAL SEWAGE SYSTEM PLAN
REGENTS
SCHOOL
ALBEMARLE COUNTY, VIRGINIA
SUBMISSION:
2021.07.12
REVISION:
FILE NO.
18.020
SANITARY SEWER PUMP
STATION CALCULATIONS
C6