Contracts.
Section 13
SEC. 13. Contracts.—All repair or construction of any work or public improvement, except roads, involving a greater cost than one thousand pesos, shall be let to the lowest' responsible bidder after public advertisement for not less than ten days in a paper of general circulation in the city, if any, by publication in one or more of the newspapers in the city of Manila, and by notice posted for not less than ten days at the main entrance of the municipal building. A plan or profile of the work to be done, accompanied by specifications for the performance of the same, shall, before advertisement, be placed on tile in the offices of the city engineer in Baguio and of the Director of Public Works in the city of Manila, which plan, profile, and specifications shall, at all proper times, be open for public inspection. Each bid shall be accompanied by a deposit, the amount and character of which shall be fixed by the city engineer and named in the advertisement, and which shall not exceed ten per centum of the estimated cost of the improvement or work to be done where the estimated cost exceeds two thousand pesos, nor be less than two hundred pesos in any case. Such deposit shall be forfeited to the city if the bidder shall neglect or refuse to enter into a contract, with approved sureties, to execute the work for the price mentioned in his bid and according to the plans and specifications, in case the contract shall be awarded to him. Bonds, to be approved by the city engineer, shall be taken for the faithful performance of contracts. The city engineer may, in his discretion, reject any and all bids, and if such bids are too high may purchase the material, hire the laborers, and supervise the work. In the repair or construction of city roads, work may be done by day labor and then need be no advertising or bidding, unless it seems desirable lo the city engineer, when the regulations provided for the repair of other works hereinbefore mentioned shall be followed. Public works of all kinds costing less than one thousand pesos may he undertaken either by day labor or by contract, and may be let without advertisement under such rules as may by the city engineer he proscribed. Such contracts may be signed, on written order of the mayor, by the city engineer.