hello :) I am desperately seeking help for my problem: during reper of electrical mast, service crew attached main power line to my chimney. ( Chimney was add to house structure some time after house was build. More than 25 years ago). Repair was a day long project. It required main power line to be disconnected from electrical meter for time being. Although I mention to crew about my concerns re chimney ( not sure how strong it is and how it was build) they decided to tided power line ( triple lumen N95) with rope to my chimney from a roof. It was like that for about 4 hrs. Imagine my shock when few days after I walked throu backyard and saw a big crack separating chimney from house. Contacted company but they refuse to acknowledge any responsibilities. How I can proof that their action was very unsafe and dengerous? All troublesome element were present: old and unknown structure of chimney, harsh weather over years in Canada, Ontario , clay ground , long time of attachment (about 4hrs), weight of power line by itself, uncle under what it was hanging from ( between chimney and power line post) height of chimney and probably few more that I can't find myself.( weather ??? - Wind ,barometric pressure temp. . It was hot and humid day - July 20,2014 . .???) PLESE HELP ME . If someone is awere of any physical formulas or rules that can be useful or any other ideas PLESE kindly let me know. Thanfull for all suggestions -from a bottom of my heart - Krystyna . P.S. I have pics to show,but don't know how to attach to this msg. I could email them latter if needed.