Central Heat Distribution
 ( CHDL ) is a private district heating company located at 720 Beatty Street in Vancouver , British Columbia , Canada that provides heat to the Downtown Core including the Vancouver Public Library Central Branch , B . C . Place , GM Place , Queen Elizabeth Theatre , Pacific Centre and most major hotel/office/condo towers such as Shaw Tower via a 10 . 5 km network of high-pressure pipes between five centimetres and 50 centimetres in diameter running anywhere from one to five metres below street surfaces . 
<triplet> Vancouver, British Columbia <subj> Canada <obj> country <triplet> Downtown Core <subj> Vancouver, British Columbia <obj> located in the administrative territorial entity <subj> Canada <obj> country <triplet> Vancouver Public Library <subj> Vancouver, British Columbia <obj> location <subj> Canada <obj> country