1. WELL DRILLING AND CONSTRUCTION Ken Bousfield, P.E. Utah Division of Drinking Water

2. BASIS FOR RULES: – Same as for springs: n Plan review (Primacy) n Engineering principles n Experience

3. PLAN REVIEW PROCESS: – Prior to Drilling n Drilling Specifications – After Drilling n Chemical Analysis n Source Capacity n Source Protection n Equipping Specifications

4. WELL DRILLING SPECS: – Drilling Method – Surface Seal – Plumbness and Alignment – Construction Materials

5. WELL EQUIPPING: – Type of Pumps – Pitless Adaptors – Pump Capacity – Appurtenant Equipping – Well House Construction

6. Well System

7. WELL GROUTING:

8. SUBMERGED WELL:

9. PITLESS ADAPTOR:

11. CONVERTED SUBMERGED WELL:

12. WELL HOUSE PIPING:

14. WELL HOUSE CONSTRUCTION: – Heating – Ventilation – Drainage – Treatment

15. STORAGE CAPACITY ISSUES: – Average Day Use in gallons (gal) n Residence: 400gal n Picnic/Park: 5gal/person n Visitor’s Center: 5gal/person n Campground Hydrant: 35gal/person – ADD FIRE FLOW TO VOLUMES

16. DISTRIBUTION CAPACITY ISSUES: – Peak Instantaneous Use n Engineering Hydraulic Network Analysis n 20 psi minimum pressure under all conditions