Self-help wells/ R. G. KOEGEL

By: Material type: TextTextLanguage: English Series: FAO IRRIGATION AND DRAINAGE PAPER NO.30Publication details: Rome : FAO, 1977Description: 73 p. ; iliSubject(s):
Contents:
1. Introduction. 2. Groundwater occurrence. 3. Comparison of large and small diameter wells. 4. Small diameter wells. 4.1 Bored or augured wells. 4.2 Driven wells. 4.3 Jetted wells. 4.4 Hydraulic percussion. 4.5 Percussion. 4.6 Hydraulic rotary. 4.7 Casing and screens. 4.8 Methods for obtaining vertical reciprocating motion. 4.9 Rope. 4.10 Well development and finishing. 4.11 Problem solving. 5. Large diameter wells. 5.1 Rationale for construction of large diameter wells. 5.2 Dimensions for large diameter wells. 5.3 Excavation. 5.4 Lining the excavation. 5.5 Equipment for raising and lowering materials. 5.6 Moulds. 5.7 Concrete work. 5.8 Safety. 5.9 Finishing large diameter wells. 6. Hybrid wells. 7. Non-Vertical wells. 8. Health aspects. 9. Availability of skills and materials.
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Item type Current library Collection Call number Copy number Status Date due Barcode
Monograf JPS HQ Library Main Library General Collections FAO-PAPER 30 628.112 KOE (Browse shelf(Opens below)) 1 Available 1000006354

1. Introduction. 2. Groundwater occurrence. 3. Comparison of large and small diameter wells. 4. Small diameter wells. 4.1 Bored or augured wells. 4.2 Driven wells. 4.3 Jetted wells. 4.4 Hydraulic percussion. 4.5 Percussion. 4.6 Hydraulic rotary. 4.7 Casing and screens. 4.8 Methods for obtaining vertical reciprocating motion. 4.9 Rope. 4.10 Well development and finishing. 4.11 Problem solving. 5. Large diameter wells. 5.1 Rationale for construction of large diameter wells. 5.2 Dimensions for large diameter wells. 5.3 Excavation. 5.4 Lining the excavation. 5.5 Equipment for raising and lowering materials. 5.6 Moulds. 5.7 Concrete work. 5.8 Safety. 5.9 Finishing large diameter wells. 6. Hybrid wells. 7. Non-Vertical wells. 8. Health aspects. 9. Availability of skills and materials.

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