Laserfiche WebLink
r <br />,• <br />(c) Broken cartridoes of resin or cartridges that show signs of deter- <br />ioration shall be removed from the underground portion of the mine. <br />(d) Resin orouted rods shall be installed in accordance with the manu- <br />facturer's recommendations. <br />For test purposes the first resin grouted rod <br />in each worY.ing place, after a minimum curing <br />be checked with a torque wrench after installi <br />anent support and prior to removing any temoor <br />applied should be 150 foot-pounds. Should the <br />second rod shall be tested in the same manner. <br />resin installation shall be discontinued until <br />the resin is determined. (A click type torque <br />for this test.) <br />installed in each cycle _ <br />time of 10 minutes, shall <br />ng the first line of perm- <br />ary supports. The torque <br />rod turn in the hole, a <br />If this rod also turns, <br />reasons for failure of <br />wrench is recommended <br />SAFETY PRECAUTIONS--SPECIAL ROOF CONTROL PLAN <br />~• <br />because the number of mines having a special roof control plan is <br />minimal and the latitude of variation in requirements peculiar to <br />special roof control plans is so great, it is believed that safety <br />precautions to be included in such plans shall be formulated on a <br />mine-to-mini basis. <br />19 <br />