Half Year means the period from 1st January to 30th June in any year and the period from 1st July to 31st December in any year;
Gross Calorific Value of “GCV” shall mean that quantity of heat expressed in Kilowatt- hour produced by the complete combustion of one (1) normal cubic metre of Natural Gas at twenty-five (25) degrees Celsius and an absolute pressure of one decimal zero one three two five (1.01325) bar with excess air at the same temperature and pressure as the Natural Gas when the products of combustion are cooled to twenty-five (25) degrees Celsius and when the water formed by combustion is condensed to the liquid state and the products of combustion contain the same total mass of water vapor as the Natural Gas and air before combustion.
Undyed diesel fuel means diesel fuel that is not subject to the United States Environmental
Square feet or "square foot" as used in this Lease includes the area contained within the leased premises together with a common area percentage factor of the leased premises proportionate to the total building area.
Rentable Square Feet means the deemed rentable area of the Building or any portion thereof, computed on the basis of the current standard employed by Landlord on the date hereof with respect to the calculation of the deemed Rentable Square Foot area of the Building; provided, however, that in no event shall such deemed Rentable Square Footage constitute or imply any representation or warranty by Landlord as to the actual size of any floor or other portion of the Building, including the Premises.