Browse as ListSearch Within- Section 70-239 - Secure roof and sides
- Section 70-240 - Tight cartridge not to be rammed into blast hole
- Section 70-241 - Issue warning to all persons in proximity before firing blast
- Section 70-242 - Leg wires of electric detonators to be kept shunted
- Section 70-243 - Examine for gas before and after firing blast
- Section 70-244 - Shall not detonate blast in presence of methane
- Section 70-245 - Extinguish gas ignited by blast, notify mine foreman
- Section 70-246 - Misfired explosives not to be withdrawn
- Section 70-247 - Thirty minute waiting period before returning to misfire
- Section 70-248 - Method of removing misfired explosives
- Section 70-249 - Order props, ties, rails, timber, materials at least one day in advance
- Section 70-250 - Notify mine foreman of any dangerous condition
- Section 70-251 - Penalty endangering lives, health of workmen, security of property
- Section 70-252 - Accumulation of gas not to be removed by brushing
- Section 70-253 - Props or timbers supporting roof not to be removed by cutting, removed by blasting or prop puller
- Section 70-254 - System of roof support
- Section 70-255 - Examine place for gas prior to start of work and other times
- Section 70-256 - Correct unsafe roof, face or rib conditions before other work started
- Section 70-257 - Roof support to be placed promptly as soon as room available
- Section 70-258 - Props, timbers, properly hitched, spragged, blocked, lined and lagged