EAp2 requires adherence to ASHRAE 90.1-2010 Mandatory Requirements at Section 5.4 and elsewhere. For an existing masonry building on a zero lot line, the R-11.4 continuous insulation required cannot be provided due to the condition of the bricks and the moisture management and freeze/thaw risks of insulating to the interior. The municipality will not approve a variance to encroach on the city sidewalk to install continuous insulation to the exterior. How can the building meet the mandatory requirements referenced in EAp2?
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