Section_Drawing.pdf
PDF 617 KB Posted
- Attached to
- Dunn Exploratory Well (PID 004365A)
- Solicitation number
- 23-1141-ITB-C
- Issued by
- Pinellas County, Clewiston City, Florida
About this file
The document is a Well Completion Diagram (Drawing No. 3) for an Exploratory/Class I Injection Well project by Pinellas County, Florida, specifically for the W.E. Dunn Water Reclamation Facility. The diagram details the geological and hydrogeological characteristics of two wells, EW-1 and SLMW-1, which will be used for water disposal and monitoring. The wells are designed to reach depths of approximately 1,100 feet, with multiple steel casing diameters ranging from 42" to 20" and incorporating various geological formations including the Hawthorn Group, Suwannee Limestone, Ocala Limestone, and Avon Park Formation.
The well design accounts for different hydrogeologic units, including a surficial aquifer, "Zone A", "Zone B", and a high permeability zone in the Avon Park Formation. The diagram indicates precise measurements for each geological layer and casing, with specific attention to the base of the Underground Source of Drinking Water (USDW). The project aims to provide Pinellas County with a reclaimed water disposal option capable of injecting up to 12.7 million gallons per day, contingent on confirming appropriate hydrogeologic conditions. The wells are strategically constructed with cement and open hole sections to manage different permeability zones and ensure proper water injection and monitoring capabilities.
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Text version
1,200
1,300
1,000
1,100
De pt h Be lo w
L an d Su rfa ce
(f ee t)
1,400
1,500
Depth Below Land Surface (feet)
1,200
1,300
1,000
1,100
1,400
1,500
1,200
1,300
1,000
1,100
1,400
1,500
Back Filled
± 900’
± 50’ 24” Dia.
Steel Casing 16” Dia.
Steel Casing
8” Dia. PVC Casing reduced to 6-inch PVC at 80'
8” Open Hole ± 300’
± 150’
± 350’
± 1,100’
± 50’ 42” Dia.
Steel Casing
36” Dia.
Steel Casing
30” Dia.
Steel Casing
20” Dia.
Steel Casing
20” Open Hole
± 350’
± 500’
± 150’
Estimated Based of USDW1
Notes: 1 Permeable zones, nomenclature, and base of USDW adopted from Hickey,1982
Up pe r F lo rid an aq ui fe r low permeability Limestone
Clay, Marl, Intermittent Limestone
Dolostone, Dolomitic Limestone
Dolostone, Dolomitic Limestone, Evaporites low permeability surficial aquifer
Hydrogeologic Unit
Avon Park FormationAvon Park Formation
UndifferentiatedUndifferentiated
Suwannee LimestoneSuwannee Limestone
Ocala LimestoneOcala Limestone
Hawthorn GroupHawthorn Group
Geologic Formation Generalized Lithology
"Zone A" 1
"Zone B" 1
Avon Park high permeability zone
"Zone C" 1
SLMW-1
Exploratory/Class I Injection Well
EW-1
Middle Confining Unit II
Limestone low permeability
Cement
Open Hole
Base of USDW
LEGEND
Drawing No. 3 Well Completion Diagram
06/15/23
File details come from the government source that posted it. Updated .