(November 7, 2016, 12:26 PM EST) -- DENVER — Having defended a developer in arbitration proceedings related to construction defects claims, a commercial general liability insurer is obligated to pay its portion of an award for taxable costs issued against the developer and a contractor, a Colorado appeals panel ruled Nov. 3, affirming partial summary judgment to the contractor (Mt. Hawley Insurance Co. v. Casson Duncan Construction Inc., No. 2016COA164, Colo. App.; 2016 Colo. App. LEXIS 1545)....