SangdatesecondaryschoolprincipalscalledYeZhiping,theSichuanProvincialoutstandingprincipal,heservedasschoolleaders,determinedtospend400,000yuanto160,000yuanwillbethecostofa"rubbish"experimentalteachingbuildingathoroughconsolidation,eliminationoftheHiddendangers;moreimportantly,from2005onwards,heshouldbeinschooleachsemestertoorganizeanemergencyevacuationdrills,doingverycarefully,eachclassofevacuationroutes,theuseofthestairs,floorsofstudentsfromdifferentspeed,Tothestandingpositionontheparadeground,andsoon,arefixedinadvance,andtofastinsteadofchaosinanorderly

　　桑枣中学校长叫叶志平,是四川省优秀校长,他担任校领导后,下决心花40万元将造价才16万元的一栋“豆腐渣”实验教学楼进行了彻底的加固,消除了隐患；更为主要的是,从2005年开始,他每学期都要在全校组织一次紧急疏散演习,工作做得非常仔细,每个班的疏散路线、楼梯的使用、不同楼层学生的撤离速度、到操场上的站立位置等,都事先固定好,力求快而不乱,井然有序.