WELL DRILLING AND CONSTRUCTION Ken Bousfield, P.E. Utah Division of Drinking Water.
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Transcript of WELL DRILLING AND CONSTRUCTION Ken Bousfield, P.E. Utah Division of Drinking Water.
![Page 1: WELL DRILLING AND CONSTRUCTION Ken Bousfield, P.E. Utah Division of Drinking Water.](https://reader035.fdocuments.in/reader035/viewer/2022081508/56649ef55503460f94c090b2/html5/thumbnails/1.jpg)
WELL DRILLING AND CONSTRUCTION
Ken Bousfield, P.E.
Utah Division of Drinking Water
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BASIS FOR RULES:
–Same as for springs: Plan review (Primacy)Engineering principlesExperience
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PLAN REVIEW PROCESS:
– Prior to Drilling Drilling Specifications
– After DrillingChemical AnalysisSource CapacitySource ProtectionEquipping Specifications
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WELL DRILLING SPECS:
– Drilling Method– Surface Seal – Plumbness and Alignment– Construction Materials
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WELL EQUIPPING:
– Type of Pumps– Pitless Adaptors– Pump Capacity– Appurtenant Equipping– Well House Construction
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Well SystemINCOMING POWER
DISCONNECT
MOTOR
STORAGERESERVOIR
PUMP BOWLS- BELOW PUMPING LEVEL
CONE OF DEPRESSION
CONCRETESANITARYSEAL
WATER BEARING SAND
WELL CASING
WELL GROUT100 FT/MINIMUM
PUMPING LEVEL
IMPERVIOUS FORMATION (ROCK,CLAY,OTHER DENSE MATERIAL)
DRAWDOWN
STATIC WATER LEVEL- WATER TABLE
SCREEN
SPIDER,BEARING,& COUPLING
IMPELLERS
RADIUS OFINFLUENCE
STUFFING BOXSHAFT SLEEVEPACKING OR MECHANICAL SEALPACKING GLANDPACKING ADJUSTMENT NUTSSEAL WATERLANTERN RING
FLOW TO WASTE
DISCHARGE LINE
VALVES
DESANDER
FLOOR DRAIN TO DAYLIGHT
AIR VAC W/#14 MESH SCREEN& TURNED DOWN
LUBRICATION-FOOD GRADE MINERAL OIL AND FOOD GRADE GREASE
PSI GAUGE
CHECK VALVE
OILER
WELL VENTW/#14 MESH
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WELL GROUTING:
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SUBMERGED WELL:
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PITLESS ADAPTOR:
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PITLESS ADAPTOR:
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CONVERTED SUBMERGED WELL:
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WELL HOUSE PIPING:
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WELL HOUSE PIPING:
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WELL HOUSE CONSTRUCTION:
– Heating– Ventilation– Drainage– Treatment
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STORAGE CAPACITY ISSUES:
– Average Day Use in gallons (gal)Residence: 400galPicnic/Park: 5gal/personVisitor’s Center: 5gal/personCampground Hydrant: 35gal/person
– ADD FIRE FLOW TO VOLUMES
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DISTRIBUTION CAPACITY ISSUES:
– Peak Instantaneous UseEngineering Hydraulic Network
Analysis20 psi minimum pressure under all
conditions