Added impact driver.

Author: River MacLeod

syllabuses/Workshop/Impact_Driver/risk-assessment.md

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+# Impact Driver
+
+## Injuries from broken bits and screws
+
+### Severity
+
+M
+
+### Likelihood
+
+M
+
+### Risk rating
+
+M
+
+### Who may be harmed & how
+
+- User and bystanders - may be hit by shrapnel from shattered bits and
+  materials, which could damage eyes.
+
+### Control measures
+
+- Training - Correct bit selection. Correct application of driver. Awareness of bystanders.
+- PPE - Glasses.
+- Equipment - Safety glasses provided. Appropriate closed-toe footwear must be worn, first aid kit available.
+
+## Hearing damage
+
+### Severity
+
+M
+
+### Likelihood
+
+H
+
+### Risk rating
+
+M
+
+### Who may be harmed & how
+
+- User - the user may sustain damage to hearing from loud tool.
+- Bystander - a bystander may sustain damage to hearing from loud tool.
+
+### Control measures
+
+- Training - Users are instructed to use appropriate PPE.
+- Equipment - Hearing protection such as ear plugs or ear defenders.
+
+## Body part or clothing is caught in moving parts
+
+### Severity
+
+L
+
+### Likelihood
+
+M
+
+### Risk rating
+
+M
+
+### Who may be harmed & how
+
+- User - the user may injure a hand which is near the driver screw if the
+  driver slips from the screw, or clothing caught in rotating parts.
+
+### Control measures
+
+- Training - Users are instructed to avoid placing hand near the work.
+
+## Burns
+
+### Severity
+
+L
+
+### Likelihood
+
+M
+
+### Risk rating
+
+L
+
+### Who may be harmed & how
+
+- User - the user can be burned by hot screws. Screws can be significantly
+  heated by powerful driving.
+
+### Control measures
+
+- Training - Advise to be careful, especially handling unscrewed screws.

syllabuses/Workshop/Impact_Driver/syllabus.md

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+# Impact driver
+
+## Safety
+### PPE
+ * Safety glasses required.
+ * Hearing protection required.
+
+### Entanglement risks
+ * No loose clothing.
+ * Long hair must be tied back.
+ * Hand must be kept away from work.
+
+### Note powerful and requires careful handling
+### Note screws may be hot after screwing.
+
+## Startup checks
+### Other workshop users alerted to use eye and hearing protection.
+### Correct speed setting.
+
+### General
+ * Identification and selection of correct tool for the job.
+ * Identification and selection of correct driver bits.
+ * Torque / speed settings.
+ * Batteries - condition, charging.
+ * Tool handling. Grip.
+ * Required pressure on screw.
+ * Work should be suitably secured to not spin dangerously.
+
+### Cleanup
+ * Put bits away in correct places. Keep sorted. Keep impact bits with impact driver, in locker.
+
+## Maintenance
+### General
+ * Report faults to tool maintainers / workshop group / directors.