Mining Constru C tion 1 2013 33 drilling and g routing plan the central sta tion produced g rout and mor tar with up to six dif ferent mix es The g rout w as then dis trib uted and fed to a number of substations located in speciall y designed niches in the under g round g alleries Achie ving the right mix based on the w eight of the components w as essential F or this reason an automatic w eight batch ing Dosac system w as used and became critical to the operation Another impor tant though uncon v en tional step w as placing the Unig rout plat for ms to gether with all controls g athered in one room This enab led just one person to operate the entire system T o inject the adapted g rout mix es into holes the substations in the g alleries w ere equipped with Cemag agitators and Pumpac g rout pumps All parameters w ere carefull y monitored using the por tab le Lo g ac elec tronic recording system T o deal with the fssures g routing w as perfor med using both the upstage method drilling the full hole depth with g rout ing in stages and the do wnstage method both drilling and g routing in stages This required drilling techniques of v ar ying comple xity and cost with 5 m long sections and holes spaced three meters apar t t he right choice According to Sahabettin Ag ao glu Drilling Section Manager at A yson w hich w as a w arded the g routing contract the choice of equipment made all the dif ference W e w ere unab le to fnd an y other suppli e rs to m a tc h o ur e x pe c t at io n s h e s a ys W e w ere highl y satisfed with this Unig rout setup Y ou can t produce the quality of g rout w e achie v ed without the right equipment Each station produced up to 113 m 3 of g rout and 33 m 3 of mor tar per hour As for the Diamec rigs the teams achie v ed 48 drillmeters per da yrig with an a v erage of 2 mh using the wire line drillstring com pared with 13 mh using pre vious equip ment including per meability testing Adding ne w ener gy to the national g rid and jobs to the econom y a lot of people in T urk e y relied on the success of the dam Cumhur T ezel w as pleased to meet the dead line in a f ast and effcient w a y W e can al w a ys contact Atlas Copco for an y issue and get a suitab le response w hether related to design or confguration so w e are v er y happ y A grouting meg ac hallenge This extensi ve project to seal and stabiliz e the Boyabat Dam w as par t of a construction record that puts T urk ey on the path tow ard far reac hing h ydropowered energy