At the time and place set for the hearing of the petition, as provided in the next preceding section, it shall be the duty of the governing body to first ascertain and determine whether notice has been given of the time and place fixed for the hearing, as required by this act; and if it shall be determined that such notice has been given, to make a declaration and finding of that fact, and cause the same to be entered upon the records by the city clerk; and thereupon to hear all persons in favor of or opposed to granting the prayer of said petition, and all other evidence that it may desire to hear for the purpose of ascertaining whether such petition is signed by the proper number of persons, possessing the qualification prescribed in this act, and whether the statements of such petition are true; and if, upon such hearing, it shall be found that such petition is in conformity to the requirement of this act, and that the allegations thereof are true, and that it is advisable to so illuminate said street or portion of a street, and that the cost thereof will not be too burdensome upon the persons to be directly benefited, then such governing body shall make a finding and decision to that effect, and shall, by resolution, declare the construction, installation, equipment and maintenance of such additional system of lights as may be required for that purpose necessary to be done; and such governing body shall then have power to cause such additional system of lighting to be constructed, installed, equipped, and maintained, and to contract therefor.

The lights shall be of such kind and at such intervals as shall be fixed by the governing body: Provided, That the petitioners may specify the kind and number of lights to be installed and operated, subject to the approval of the governing body.