WQ0044093_Toyota_802_Lift_Station_Specifications_20240624

Project Name:
Location:
Designed By:
Checked By:
Date:
Project no.:
Project Name:
Average Daily Flow (gpm):
Pump Operational Point No. 1 (gpm@tdh):
Pump Operational Point, No. 2 (gpm@tdh):
Pump Manufacturer:
Model Number:
Impeller Diameter:
Horse Power:
Voltage:
Force Main Diameter (in):
Force Main Length (ft):
Toyota 801/802
Wastewater Pump Station
&
Force Main
Design Calculations
801/802 Lift Station
Randolph County
MWW
10/12/2022
10328289
Toyota 801/802
Wastewater Pump Station
&
Force Main
Project Summary
Toyota 801/802
600
600@100
600@100
Vaughn
S4S3
11"
40
460
8 and 10
7000
"All Pumps On" condition
"All Pumps Off" condition

Tributary
Wastewater Flow Calculations
Establishment
Residential (To NEWWTF)
Residential (all other Treatment Facilities)
Barber Shops
Beauty Shops
Business - General & Office
Business - Factories Excluding Industrial Waste
Business or Factories w/showers or food preparation
Business - Warehouse
Business - Warehouse Self Storage (not including Caretaker Residence)
Churches without kitchens, day care, or camps
Churches with kitchens
Churches providing day care or camp
Fire or Rescue without on-site staff
Fire or Rescue with on-site staff
Food & Drink - Banquet Dining Hall
Food & Drink - Bars, Cocktail Lounges
Food & Drink - Caterers
Food & Drink - Restaurants, Full Service
Food & Drink - Restaurants, Single Service Articles
Food & Drink - Restaurants, Drive-in
Food & Drink - Restaurants, Carry out only
Food & Drink - Institutions, Dining Halls
Food & Drink - Deli
Food & Drink - Bakery
Food & Drink - Meat Dept., Butcher, Fish Market
Food & Drink - Specialty Food Stand or Kiosk
Hotels/Motels/B&B without in-room cooking facilities
Hotels/Motels/B&B with in-room cooking facilities
Hotels/Motels- Resort Hotels
Hotels/Motels- Cottages, Cabins
Laundries (Self-Service)
Medical or Dental offices
Medical - Veterinary offices without boarding
Medical - Veterinary, Kennels, with boarding
Medical - Medical Hospitals
Medical - Mental Hospitals
Medical - Convalescent, Nursing, Rest Homes without Laundry
Medical - Convalescent, Nursing, Rest Homes w/ Laundry
Medical - Residential Care Facilities
Parks & Rec. - Campgrounds w/comfort station but without water & sewer hookup
Parks & Rec. - Campgrounds with water & sewer hookup
Parks & Rec. - Campground Dump Station facility
Parks & Rec. - Construction, Hunting, or Work camps with flush toilets
Parks & Rec. - Construction, Hunting, or Work camps with chemical or portable toilets
Parks & Rec. - Parks with Restrooms
Parks & Rec. - Summer camps without food prep or laundry facilitates
Parks & Rec. - Summer camps with food prep and laundry facilitates
Parks & Rec. - Swimming Pools, Bath Houses, Spas
Public Access Restrooms
Schools - Preschools & Daycares
Schools with Cafeteria, Gym, & Showers
Schools with Cafeteria
Schools without Cafeteria, Gym, & Showers
Schools, Boarding
Service Stations, Gas Stations
Car Wash Facilities (if recycling water, see Rule .0235 of 2T regulations)
Sports Centers - Bowling
Sports Centers - Fitness, Exercise, Karate, Dance
Sports Centers - Tennis, Racquet ball
Sports Centers - Gymnasium
Sports Centers - Golf Course with only minimal food service
Sports Centers - Country Clubs
Sports Centers - Mini Golf, Putt-Putt
Sports Centers - Go-Kart, Motorcross
Sports Centers - Batting Cages, Driving Ranges
Sports Centers - Marinas without Bathhouse
Sports Centers - Marinas with Bathhouse
Sports Centers - Video Game Arcades, Pool Halls
Stadiums, Auditoriums, Theatres, Community Centers
Stores, Shopping Centers, Malls & Flea Markets:
Auto, Boat, RV dealerships/showrooms with restrooms
Convenience Stores, with Food Preparation
Convenience Stores, without Food Preparation
Flea Markets
Shopping Centers and Malls with Food Service
Stores and Shopping Centers without Food Service
Transportation Terminals - Air, Bus, Train, Ferry, Port & Dock
Other - Approximate flow from other sources (Blow down etc.)
Other -
Other -
Other -
From 15A NCAC 02T .0114
Unit Value (Gal/Day/Unit)
360
210
50
125
25
25
35
100
1
3
5
25
25
50
30
20
50
40
20
50
50
5
40
10
75
50
120
175
200
200
500
250
250
20
300
150
60
120
60
75
100
50
60
40
250
30
60
10
325
25
15
12
10
60
250
1200
50
50
50
50
250
60
250
250
250
10
30
250
5
125
60
250
30
130
100
5
324720
Unit Type
Residence
Residence
Chair
Booth or Bowl
Employee per shift
Employee per shift
Employee per shift
Loading bay
Unit
Seat
Seat
Person (child+employee)
Person
Person per shift
Seat
Seat
100 sf floor space
Seat
Seat
car space
100 sf floor space
meal
100 sf floor space
100 sf floor space
100 sf floor space
100 sf floor space
Room
Room
Room
Unit
Machine
Practitioner per shift
Practitioner per shift
Pen, Cage, Kennel, Stall
Bed
Bed
Bed
Bed
Person
Campsite
Campsite
Space
Person
Person
Plumbing Fixture
Person
Person
Person
Plumbing Fixture
Person (child+employee)
Student
Student
Student
Person (student+employee)
Plumbing Fixture
Bay
Lane
100 sf floor space
court
100 sf floor space
Plumbing Fixture
Member or Patron
Plumbing Fixture
Plumbing Fixture
Plumbing Fixture
Slip
Slip
Plumbing Fixture
Seat
Plumbing Fixture
100 sf floor space
Plumbing Fixture
Stall
1000 sf
1000 sf
Passenger
Flow
# of Units
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
Average Daily Flow (gallons per day)
Discharge, GPD
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
324720
0
0
0
324720

Determine Minimum Pump Rate
Peaking Factor Calculation
Design Pumping Flow Rate
Service Area Population =
Peak Factor =
Calculated Peak Factor =
Design Peak Factor =
Average Daily Flow =
Peak Flow =
Minimum Pumping Rate Required =
Design Pumping Rate =
300000
18 + √P
4 + √P
1.65664476429452
2.5
324720
811800
563.75
600
GPD
GPD
GPM
GPM
Service Area Population to be determined by the number of persons living within the service area.
Service Area population may be determined by multiplying the number of residental units by 2.5 persons per unit.
Design Peak Flow determined by greater of result from formula listed based on service area population, or 2.5.

Target Cycles Per Hour
ADF
Pumping Rate
Time
Determine Wet well Diameter
Determine Wet Well Invert & Float Elevations
Top Elev=
Gnd Elev=
SS Invert In=
Bottom Invert Elev* =
Cycle Time & Wet Well Geometry
=
=
=
Cycles Per Hour =
Check Cycles Per Hour:
Check Cycles Per Hour:
Required Volume =
Pick Wet Well Diameter =
Pick Wet Well Cycle =
Volume in Cycle =
Vertical Datum Used:
Wet well Dia. =
701.5
701
686
674
*As required for complete submergence
OK
225.5
600
15
4
OK
OK
2111.24375
12
3
2537.9020656
NAVD 88
12
gpm
gpm
min.
Gallons
Ft
Vert. Ft
Gallons
Ft
Alarm =
Lag On =
Lead On =
Pumps Off =
684
683
681
678
Calculated from target Cycles per Hour
Based on desired Cycles per Hour
Based on wet well diameter & proposed wet well cycle
6" above proposed ground elevation around wet well
1' Above Lag Pump On, Min 2' Below SS Invert In
2' Above Lead Pump On
Pump Off + Required Vertical Cycle
8' Below SS Invert In
As required for complete pump submergance but not less than 4' below "Pump Off" elevation.

Off-Site Force Main Data
Connection Point:
Pump Station Piping Data
Item
45 bend
90 bend
22.5 bend
Branch Tee Flow
Check valve
Plug Valve
Total Equivalent Force Main Length (ft) =
Force Main & Piping Design
Design Pump Rate (gpm) =
Select Force Main Size (in) =
Velocity (fps) =
Meets Minimum Velocity Requirement?
Meets Maximum Velocity Requirement?
Required Pump?
Line Length (ft) =
Account for Minor Losses =
Equiv Length (ft) =
Toyota Manhole
Number of Fittings
8
1
0
1
1
1
600
10
2.451
OK
OK
Use Non-Clog Pump
7000
0.05
7350
Design Pump Rate (gpm) =
Pick Wet Well & Valve Vault Piping Size (in) =
Velocity (fps) =
Meets Minimum Velocity Requirement?
Meets Maximum Velocity Requirement?
L/D Ratio
16
30
9
60
135
17
Equivalent Fitting Length (ft) =
Wet Well & Valve Vault Piping Length (ft) =
Total Equivalent Pump Station Pipe Length (ft) =
Equivalent Off-Site Diameter Length (ft) =
600
6
6.80833333333333
OK > 2 FPS
OK < 8 FPS
Equivalent Length
64
15
0
30
67.5
8.5
0
0
0
185
40
225
2701.39199984596
10051.391999846
Calculates the length of Off-Site FM diameter pipe which provides the same friction loss as the Wet Well & Valve Vault Piping

GPM
100
300
600
900
1200
Pump Manufacturer:
Model Number:
Impeller Diameter:
Horsepower:
Voltage:
Pressure Head at Connection "All On" (feet)
14
16.6
20.8
25.5
30.5
Vaughn
S4S3
11 inch
40
460v 3phase
Pressure Head at Connection "Only Proposed Pump Station On" (feet)
0
0.4
1.4
2.9
5
Static Head (feet)
25
25
25
25
25
"All On" TDH (feet)
40.1990857497333
50.7521802101073
78.7936265930275
120.35522312888
174.4420849207
Pump Selection
Force Main Diameter (in) =
Equivalent Force Main Length (ft) =
Hazen-Williams C Factor =
Minimum Required Pump Rate (GPM) =
Design Pumping Rate (GPM) =
"Only Proposed Pump Station On" TDH (feet)
26.1990857497333
34.5521802101073
59.3936265930275
97.7552231288802
148.9420849207
10
10051.391999846
110
563.75
600
Velocity (fps)
0.4085
1.2255
2.451
3.6765
4.902
Pump Head (feet)
145
135
120
110
90

Proposed Operational Point No.1
600
Check Wet well Cycle Times
Wet well
Diameter
(feet)
12
Fill =
Run =
Proposed Operational Point No. 2
640
Check Wet well Cycle Times
Wet well
Diameter
(feet)
12
Fill =
Run =
GPM @
Wet well
Area
(gal / VF)
845.5392
Wet well Volume
ADF
Wet well Volume
Pump Rate - ADF
GPM @
Wet well
Area
(gal / VF)
845.5392
Wet well Volume
ADF
Wet well Volume
Pump Rate - ADF
Station Operation Check
120
Wet well
Cycle
(ft)
3
=
=
Total =
Cycle Time =
Meets Minimum Cycle Time?
Meets Maximum Cycle Time?
125
Wet well
Cycle
(ft)
3
=
=
Total =
Cycle Time =
Meets Minimum Cycle Time?
Meets Maximum Cycle Time?
TDH
Wet well
Volume
(gal)
2536.6176
11.2488585365854
6.77334472630174
18.0222032628871
3.3292266835963
OK
OK
TDH
Wet well
Volume
(gal)
2536.6176
11.2488585365854
6.11970470446321
17.3685632410486
3.45451717377503
OK
OK
minutes
minutes
minutes
Cycles / Hour
minutes
minutes
minutes
Cycles / Hour

Wet well Outside Dimensions
Wet well Inside Dimensions
Wet well Top Slab Elevation
Wet well Invert Elevation
Extended Base Slab Diameter
Extended Base Slab Thickness
Top Slab Thickness
Calculate Total Volume of Wet well Structure
Calculate Total Volume of Water Displaced
H20 Displaced = (Volume of Wet well Structure) * (62.4 lbs/cf)
Calculate Weight of Wet well Components
Section
Top Slab Thickness (ft.)
Riser - Total Vertical Ft.
Base Slab Thickness (ft.)
Calculate Submerged Weight of Soil Above Extended Base/Footing
Total Area of Extended Base
Total Area of Wet well Riser
Area of Extended Base less Wet well
Height of Soil Above Extended Base
Volume of Soil Above Extended Base
Weight of Soil Above Extended Base (estimated)
Total Weight of Soil Above Extended Base
Flotation Protection Required?
Weight of Concrete and Weight of Soil Above Extended Base:
Weight of Water Displaced By Wet Well:
Flotation Protection Required?
H20 Displaced=
Buoyancy Calculations
Volume of Wet well Riser Sections=
Volume of Wet well Extended Base=
Total Volume of Wet well Structure=
238674.54
13
12
701.5
674
15
1
1
3648.2875
176.625
3824.9125
lbs
Totals=
Total Weight of Concrete in Wet well=
Feet
Feet
Feet
Feet
Feet
Feet
Feet
cf
cf
cf
Total Ht
1
27.5
1
29.5
127411.1094375
176.7144375
132.7321775
43.98226
27
1187.52102
120
142502.5224
Weight
19909.826625
80994.1171875
26507.165625
127411.1094375
lbs.
sf
sf
sf
ft
cf
lbs/cf
lbs/cf
269913.6318375
238674.54
NO
lbs
lbs
From Invert to bottom of top slab
Invert to bottom of concrete structure
Dry Unit wt. concrete = 150 pcf
Submerged Unit wt. of soil