Drainage presentation
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Transcript of Drainage presentation
![Page 1: Drainage presentation](https://reader033.fdocuments.us/reader033/viewer/2022061215/549ea6c0ac795947768b4829/html5/thumbnails/1.jpg)
Project OverviewProject Overview
Sandersville Plant Drainage
Thiele Kaolin Company
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Outline of PresentationOutline of Presentation
Present Existing Drainage Basins & Systems
Define Existing Problems w/ Systems4 Possible Solutions to System
Problems
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Existing Drainage Basins & SystemsExisting Drainage Basins & Systems
Six Storm Drainage BasinsSeven Systems for Transporting
Waste.
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Six Storm Drainage AreasSix Storm Drainage Areas
1. Yellow Area. This area contains the office buildings and parking lots, the lawn east of Thiele’s drive, and the lower rail road tracks. The area is approximately 27.97 acres. Storm water is 23.5 cfs. There is no process water.
2. Orange Area. This area collects process water from both calciners, #4 spray drier, #5 spray drier, and the calcined slurry make-down. The process flow rate ranges from 400-600 gpm on average and can peak when both scrubbers are running at #4 and #5 spray driers are running at approximately 800gpm. If railcars are being washed out the flow rate can spike as well. The 9.84 acre area is comprised largely of building structures, concreted tracks and graveled tracks. The peak storm runoff is 22.5cfs.
3. Blue Area. The 4.1 acre area is comprised largely of building structures, concreted tracks and graveled tracks. This area is largely impervious. Process water flows at app. 1200gpm. The peak storm runoff is 11.1cfs.
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Six Storm Drainage AreasSix Storm Drainage Areas
4. Red Area. The 1.9 acre area is comprised largely of concreted tracks. This area belongs to Burgess but the drainage contributes to the gravity sewer in the blue area. The Peak storm runoff is 4.77 cfs. There is no process water from this area.
5. Green Area. The 5.07 acre area is comprised of the R&D building and lawn. The peak storm runoff is 8.44 cfs. There is no process water from this area.
6. Pink Area. The 11.5 acre area is comprised largely of industrial structures, concrete, gravel and low permeability soils. This area is largely impervious. The process water averages at 5.5 cfs.
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27.97 Acres
Q=23.5 cfs Storm Water
9.84 AcresQ=22.51 cfs Storm Water800 gpm Process Water
5.07 Acres8.44 cfs Storm Water
11.55 Acres21.62 cfs Storm Water5.5 cfs Process Water
1.89 Acres4.72 cfs Storm Water
4.1 Acres11.0864 cfs Storm Water
2.5 cfs Process Water
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Seven SystemsSeven Systems System #1. The gravity system for the yellow drainage area which
flows directly to Limestone creek behind Burgess. System #2. The pressurized system which is located in the Orange
area and pumps to the gravity sewer beginning at Burgess. A retention pond located on KT’s property is part of this system.
System #3. This system is located in the blue area and is a gravity system which flows thru Burgess and Huber then thru an open ditch to the waste pond. This system has several bottlenecks. Both the blue and red drainage areas contribute to this area.
System #4. This is the drainage area on Burgess’s property (Red). This transports water to the blue gravity system.
System #5.The storm drainage for the R&D area (green area). System #6. The process and storm drainage for the main plant (pink
area). System #7.The pressurized system that returns waste to the Avant and
Hall Mines via two Hazleton 4J pumps.
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SYSTEM #3
SYSTEM #1
SYSTEM #2
SYSTEM #4
SYSTEM #5
SYSTEM #6
SYSTEM #7
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Reject Pump to Avant MineReject Pump to Avant MineSV- AM System Curves For Various Reject Line Combinations
-500
0
500
1000
1500
2000
0 100 200 300 400 500 600 700 800 900
GPM
Hea
d(f
t)
System Curve for 6in and 8in combo
2 Hazleton 4J @1490
8" line for total length(85000')
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Reject to Hall MineReject to Hall MineSV-HM 6" REJECT SYSTEM CURVE
-500
0
500
1000
1500
2000
0 100 200 300 400 500 600 700
GPM
HE
AD
(ft)
Slurry Test Data Point
Water Test Data Point
Water to Tan Pond
Water to Thigpen Pond
Slurry to Thigpen
(2) Hazleton 4J @ 1490rpm
Calc. Water Curve
Calc. Slurry Curve
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Problem AreasProblem Areas
Catch Basin at BurgessSewer Pipe by Beck Blvd. and thru
HuberOpen Drainage Ditch behind Huber
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Drainage Summary ChartDrainage Summary Chart
-17.02
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Possible Solutions Possible Solutions
Presentation of OptionsPros and Cons of OptionsEconomic Analysis of OptionsMiscellaneous
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Presentation of OptionsPresentation of Options
1. Install a parallel gravity sewer through Burgess parking area, along Beck Blvd., and through Huber. Clean the open ditch improve slopes and concrete bottom or install pipe.
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Option #130” Sewer Pipe
Stream-Line Sewer
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Ditch Behind HuberDitch Behind Huber
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Presentation of OptionsPresentation of Options
2. Install Clarifier and route all process water and all storm water with exception to the “yellow” area to a larger pond at KT. Clarified water will be released to creek and solids will be pumped to mine.
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4.5 Acres8.7MG
1 Acre
LIMESTONE CREEK
CLARIFIER1000GPM; 6 DAY RECOVERY
2400
GP
M @
2%
102GPM
@35%
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Presentation of OptionsPresentation of Options
3. Install a high level overflow at the upper gravity catch basin in Burgess’ parking lot. Reroute any storm water which exceeds the 18” pipe capacity to the lower existing KT pond. The lower KT pond will need to be dredged to accommodate additional storm water.
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Presentation of OptionsPresentation of Options
4. Send all of the “blue” area process and storm water to the sump pumps located in the orange area. Pump the total flow across the plant to the upper 42” sewer.
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Pros and Cons of OptionsPros and Cons of Options
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Option 1 – 30” Parallel SewerOption 1 – 30” Parallel Sewer
Advantages No additional
pumping Maintenance
Friendly Prevents Overflow
to Creek
Disadvantages Still in Joint Pond Initial Costs
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Option 2 – ClarifierOption 2 – Clarifier
Advantages Free of Joint Waste
Pond Minimal Dredging
@ KT Prevents Overflow
to Creek
Disadvantages Highest Initial
Costs Highest
Maintenance Overall Reliability
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Option 3 – Storm Water to KTOption 3 – Storm Water to KTAdvantages Lowest Initial Cost Catches Additional
Pollution Point Ditch Needs Less
Initial Cleaning Allows Full Pipe
Flow to Waste Pond
Rainwater Only to KT
Disadvantages Still in Joint Pond Additional Volume
Required @KT Pond
Still Need to Maintain Ditch
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Option 4 – Blue Area to SumpOption 4 – Blue Area to Sump
Advantages No Ditch
Maintenance Prevents Overflow
to Creek
Disadvantages Still in Joint Pond Additional Volume
Reqd. @ KT Pond Additional
Pumping Cost 3rd Pump Reqd. Reliability on
Pumps
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MiscellaneousMiscellaneous
Line to Mines for Dredge– 16” ID allows 3500gpm– Pump Solids Directly to Mine– Est. Cost at $3,000,000