The San Francisco call., 1898-04-08

clude crossing.
 The word "block" shall mean the blocks known or designated as such upon the maps and books of the As sessor.
 The term quarter block" as used in this Chapter as to irregular blocks, | shall be deemed to include all lots or portions of lots, having any frontage on either intersecting street half way 1 from such intersection to the next main | street, or, when no main street inter- venes, all the way to boundary line of the City and County
 The word paved" shall include any pavement of stone, iron, wood or other material which the Supervisors may by ordinance order to be used; but no patented pavement shall be ordered during the existence of the patent therefor, until the owner of such pat ent shall have transferred to the City and County all right to the use of the same therein, with the privilege to any person to manufacture and lay the same upon its streets under any con- tract that may be awarded to him. or entered into by him with the City and County.
 The term expense" shall include the price at which the contract was award ed, and the term incidental expenses" shall include all expenses incurred in printing and advertising the work con- tracted for, and all expenses for sur veying, measuring and inspecting the work.
 All notices and resolutions required in this Article to be published shall be published daily, legal holidays except ed, in the official newspaper.
 All notices herein required to be served, whether by delivery, mailing or posting. may be so served by any male citizen of the age of twenty one years, and his affidavit thereof shall be prima facie evidence of such service. The affidavit by the publisher of the official newspaper, or his clerk, of the publication of any notice required in this Article to be published, shall be prima facie evidence of such puhlica- tion.
 Sec. 27. When the owners of all the lands fronting upon any street which is less than forty feet in width, for the entire distance of said street, or for the distance of one or more entire blocks, shall petition the Board of Public Works that the said street, or that DOT ton thereof upon which said lands front, be closed, the Board may pass a resolution recommending that the same be closed. Before passing such resolu- tion the Board shall cause a notice of the application to be published in the official newspaper, and shall fix a time and place at which 1t will consider the same and hear objections thereto. Upon such hearing it shall determine whether it will recommend that the street be closed; and if it shall so determine, it shall transmit such recommendation to the Supervisors. Thereupon the Super visors may pass an ordinance that the street be closed; and the same shall not thereafter be, or be deemed to be, a public street, or subject to any public expense or improvement; and the land heretofore included within the road way and sidewalks of said street shall thereafter be the property of the City and County. No such ordinance shall be passed until the petitioners shall have paid all the expenses of said pro- ceedingS.
 Sec. 2S. Tn all cases where lands in the City and County shall be hereafter sub-divided and laid out into blocks or plats, sub-lots, streets and alleys, or when new streets or public grounds shall be laid out, opened, donated or granted to the public by any proprietor, the map or plat thereof shall be sub- mitted to the Board of Public Works for it's approval, and if the Board ap prove the same, such approval shall be by 1t indorsed upon the said map or plat, and said map with said approval SIldll tueH DG l1Gu III luG OlllC0 the Recorder; and without such approval | indorsed thereon no such map or plat shall be filed in the office of the Re- corder, or have any validity; nor shall any street, alley, or public ground here after opened and dedicated as such, be- come or be a public street or be subject to any public improvement or expense without such approval, indorsement and record. No street hereafter laid If ho1 ho hnonr,o p11b- lie street unless the same shall be at least forty feet in width and two hun dred feet distant from any parallel street.
 Sec. 29. The Board shall annually fn- vite proposals for cleaning and sprink- ling such of the streets of the City and County as the Board shall determine should be cleaned and sprinkled at the public expense. Before causing notice for such proposals to be published the Board shall divide the City and County into such number of districts as in it's judgment will best induce competition for bids, and secure the cleaning and sprinkling of the streets at the lowest cost The Secretary of the Board shall, under it's direction, on the first Monday in May of each year, cause to be pub lished for period of ten days notice inviting proposals for cleaning and sprinkling each of said districts speci- flying in said notice the streets or each district which are to be cleaned and sprinkled, the number of times a week that they are to be cleaned and sprin- kled, and the amount of security to be given with each contract. Bids shall be made for each district separately. All the provisions of this Article in re- lation to the making and opening of bids. awarding of contracts and enter ing into and performance of contracts, shall be applicable to said contracts. The Board may, at the time it in- vites proposals for said cleaning and for said sprinkling, also invite propo- sals for said cleaning separately and for said sprinkling separately, and may award such contracts accordingly as may be for the best interest Of the City and County.
 The Board may also, with the consent of the Supervisors expressed by ordin- ance, purchase one or more machines for sweeping the streets, and may en- ter into contracts for sweeping the streets with said machines; but the Board must give the preference to handsweeping so, far as it can do so with reference to the proper sweeping of the streets and to the funds at its disposal
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