In case of neglect or refusal of any owner or trustee of any lot fronting or adjoining on any sidewalks to grade, pave, curb or repair the same or construct gutters thereat according to resolution as above-mentioned, within 30 days thereof, Common Council shall cause notices to be sent to each owner or trustee of such lot or lots, requiring such owner or trustee to grade, pave, curb or repair such sidewalk, curb or gutter to conform to the provisions of this article, within 30 days from the date of such notice, specifying therein that, in default thereof, Common Council will cause such sidewalk, curb or gutter to be graded, paved or repaired forthwith, and shall, at the expiration of said 30 days, authorize the City Clerk to prepare an order upon the contractor (the person who had been the lowest responsible bidder) to do the work according to the specifications, and such contractor shall, in his/her discretion, use such old materials found upon the sidewalk as he/she may deem to be suitable and in conformity with this article and other ordinances of Egg Harbor City; such order shall be authorized by resolution of Common Council and shall be made in triplicate; one copy shall be filed with the City Treasurer, one copy shall be filed with the City Clerk and the third copy shall be the warrant for the contractor to do the work.