Section 11
SEC. 11. The grantee shall begin the construction of his plant in the city of Manila within nine months from the date of the granting of the permission to construct by the municipal authorities, and shall begin operation of the plant within fourteen months after the expiration of the said nine months, unless prevented by an act of God, or the public enemy, usurped or military power, martial law, riot, civil commotion or inevitable cause, and shall thereafter maintain a first-class gas, heat, light, and power service.