Corporate facilities typically spend slightly more on utilities ($2.70 per square foot-year), while general multi-tenant buildings spend less ($2.25 per square foot-year). Many operators, when assessing only the value of energy bill reductions, will choose not to invest in energy retrofits.BOMA. 2010.ags. building operations | commercial buildings | energy costs. Most U.S. buildingsâ expenses break down into a similar distribution âlargely fixed costs, followed by utility bills, repairs and maintenance expenses (R/M). On average, building owners spend 22% of their operating costs on energy and water.
Applying mayonnaise to the area is also said to remove tree sap. Another technique is to use citrus-based solvents and children's molding clay. Apply a small amount of the solvent and rub with the clay. It is abrasive enough to scrub off the sap (which has been broken down by the solvent) without damaging the paint.
1 Birch sap can be used to make birch syrup, which is used like maple syrup for pancakes and waffles. 2  Birch wood can be used to smoke foods. 3  Birch seeds are used as leaf litter in miniature terrain models. Birch plywood was specified by the BBC as the only wood that can be used in making the cabinets of the long-lived LS3/5A loudspeaker. 2  Birch is used as firewood due to its high calorific value per unit weight and unit volume. 3  It burns well, without popping, even when frozen and freshly hewn.