have, for any reason, sufficient capacity at any point in its distribution system to maintain adequate service to its general gas customers and to render transportation service hereunder. When, due to such operational constraints, interruption or limitation of service hereunder is invoked by the Company, it will invoke such interruption or limitation ratably among Customers receiving service hereunder, affecting such operational constraints.

Metering

Gas service furnished hereunder shall be measured as to maximum daily demand and volume by meters to be installed by the Company. Each meter shall be considered by itself in calculating the amount of any bills except when, for the convenience of the Company, more than one meter is installed on the same class of service in the same premises for the same Customer in which case the sum of the registrations shall in all cases be taken as the total registration.

When required by the Company, the customer shall supply a fireproof building or fireproof room within a building, on the Customer's premises, in accordance with plans and specifications to be furnished by the Company. Such building or room is to house the meters, regulators and any other equipment to be installed by the Company for determining the amount of gas delivered to the Customer. Such building or room is to be well ventilated and provided by the Customer with heat, electric light, and such power as required by the Company for metering purposes.