12. Where in any case in any part of the tramway the line is erected overhead and the return is laid on or under the ground, and where any wires have been erected or laid before the construction of the tramway in the same or nearly the same direction as such part of the tramway, the Company shall, if required so to do by the owners of such wires or any of them, permit such owners to insert and maintain in the Company's line one or more induction-coils or other apparatus approved by the Company for the purpose of preventing disturbance by electric induction. In any case in which the Company withhold their approval of any such apparatus, the owners may appeal to the Governor in Council, who may, if he thinks fit, dispense with such approval.
13. Any insulated return shall be placed parallel to and at a distance not exceeding three feet from the line when the line and return are both erected overhead, or eighteen inches when they are both laid underground.
14. In the disposition, connections, and working of feeders, the Company shall take all reasonable precautions to avoid injurious interference with any existing wires.
15. The Company shall so construct and maintain their system as to secure good contact between the motors and the line and return respectively.
16. The Company shall adopt the best means available to prevent the occurrence of undue sparking at the rubbing or rolling contacts in any place and in the construction and use of their generator and motors.
17. In working the cars, the current shall be varied as required by means of a rheostat containing at least 20 sections, or by some other equally efficient method of gradually varying resistance.
18. The Company shall, so far as may be applicable to their system of working, keep records as specified below. These records shall, if and when required, be forwarded for the information of the Governor in Council.
Daily Records.
Maximum working current,
Number of cars running.
Maximum working pressure.
Maximum current from the earth connections (vide rule 6 j.).
Leakage current (vide rule 10).
Fall of potential in return (vide rule 7).
Monthly Records.
Condition of earth connections (vide rule 5).
Insulation resistance of insulated cables (vide rule 11).
Quarterly Records.
Conductance of joints to pipes (vide rule 8).
Occasional Records.
Any tests made under provisions of rule 6 (ii).
Localisation and removal of leakage, stating time occupied. Particulars of any abnormal occurrence affecting the electric working of the tramway.
528
SCHEDULE B.
CHARGES FOR ANIMALS, GOODS, &c.
90