P1.3.6.1 Regular maintenance Flow. Low or no Redevelop and inspections of the flows. well area. Damage to the bore/well head and pump or bore/ No inspections Review the pump(s) (see well head by or maintenance Guide P10). animals. maintenance and inspection Early warning system records. procedures. installed to indicate No protection change in flow. for bore/well Fence off bore/well head. head to protect against animal damage (stock should be at least 10 m away). P1.3.6.2 Provide protection Flood levels. No water. Consider against flood damage, alternative Catastrophic Flows (from Reduced flow. and carry out source. failure (eg, bore/well Alarm inspections after flood, slips or head). Evaluate activated. natural disasters. existing Inspection Bore/well head protection records. damage). inspections, system. regularly, and directly after floods etc, with follow-up action if required for existing protection (eg, fences, vegetation and soil instability). Telemetric alarm for low flows from the intake. P1.3.6.3 Maintenance Telemetric No water. New pumps. according to records. Pump failure Alarm Instigate manufacturers’ (see Guide activated. maintenance recommendations. P10). programme. No Standby pump with maintenance auto-switch to record. alternate pumps. Operate duty and standby using an alternate of ‘number days‘ cycle. Telemetric alarm for low flows. P1.3.6.4 Regular inspection of Alarm to No flow. Consult with cabling, power lines indicate faults. power Power failure. and connectors. authority. Stand-by generator. Obtain generator. Alarm for power failure, with battery back up. 1 The of risk will probably increase the lower the flow of the water is. Preventive measures Checking preventive measures Corrective action Causes What to that action is needed
P1.3.6.1 Damage to the pump or bore/ well head by animals. Regular maintenance and inspections of the bore/well head and the pump(s) (see Guide P10). Early warning system installed to indicate change in flow. Fence off bore/well head to protect against animal damage (stock should be at least 10 m away). Flow. Low or no flows. No inspections or maintenance records. No protection for bore/well head. Redevelop well area. Review maintenance and inspection procedures. P1.3.6.2 Catastrophic failure (eg, flood, slips or damage). Provide protection against flood damage, and carry out inspections after natural disasters. Bore/well head inspections, regularly, and directly after floods etc, with follow-up action if required for existing protection (eg, fences, vegetation and soil instability). Telemetric alarm for low flows from the intake. Flood levels. Flows (from bore/well head). Inspection records. No water. Reduced flow. Alarm activated. Consider alternative source. Evaluate existing protection system. P1.3.6.3 Pump failure (see Guide P10). Maintenance according to manufacturers’ recommendations. Standby pump with auto-switch to alternate pumps. Operate duty and standby using an alternate ‘number of days‘ cycle. Telemetric alarm for low flows. Telemetric records. No water. Alarm activated. No maintenance record. New pumps. Instigate maintenance programme. P1.3.6.4 Power failure. Regular inspection of cabling, power lines and connectors. Stand-by generator. Alarm for power failure, with battery back up. Alarm to indicate faults. No flow. Consult with power authority. Obtain generator. 1 The of risk will probably increase the lower the flow of the water is. Causes Preventive measures Checking preventive measures Corrective action What to that action is needed
treatment-bores-and-wells-feb14-v2.docx