The Coconino sun., 1916-05-05

fled, and four (4) inches below and parallel to the finished surface of the proposed walk, shall be placed con cret ebase three (3) inches thick, con- sisting of the following materials:
 Portland cement--one part by vol ume.
 Fine aggregate-three parts by volume.
 Coarse aggregate-four parts by volume. A sack of cement weighing ninety. four (94) pounds net shall be con sidered as having a volume of one CD cubic foot.
 The densest possible mixture of the aggregate making up the concrete is desirable, and the proportions of the aggregate may be varied by order of the Superintendent of Streets when he deems it necessary, but in no case shall the total aggregate be more than seven CD parts to one CD part cement by volume.
 After the base has been placed and worked to an even grade, and before it has taken it's initial set, there shall be laid the finish coat consisting of a layer of one inch thick, mixed in the proportions of one part cement to two (2) parts sand or screenings, and properly finished. All mixing, either by hand or machine, shall be done in thorough and workmanlike manner, in accordance with the standard ap- proved methods, and to the approval of the Superintendent of Streets.
 All walks shall have, rounded edges and be marked off in blocks of not more than twenty-five square feet, with marking tool cutting com pletely through the finish coat, and expansion joints of uot less than one- quarter (A) nor more than one-half (1a) inch wide, extending through the entire thickness of the concrete, to be placed as directed by the Super intendent of Streets.
 All street crossings, curbs and gutters shall be constructed in ac- cordance with Specifications No. 15, of the town of Flagstaff, and the plans of the same on file in the office of the town engineer.
 All walks built by contract shall have the name of the contractor and the year in which the walk was built stamped into the concrete surface
 Protection
 As soon as sufficiently set, the fin ished walk shall be covered with earth, sand or some other suitable material and kept wet for Q period of three days, after which it shall be cleaned and all rubbish and surplus material removed, and where the sidewalk is built on a fill having no retaining walls, embanlSments of earth or gravel shall be built up level with the top of the walk and extend ing out at least one CD foot from the edge of the walk.
 SECTION V
 The business district mentioned in this ordinance shall consist of the fol- lowing blocks:
 Blocks Nos. 4, 5, 6, IT, IS and 32, except the south and east sides of block four (4), and the north and east sides of block thirty-two (32).
 SECTION VI
 Any person violating any of the provisions of this ordinance shall be punished by a fine of not less than five (5) dollars nor more than fifty (50) dollars, or by imprisonment in the town jail for not more than fif- teen (15) days, or both by such fine and imprisonment; and each day any sidewalk which shall be built, re- built or repaired hereafter in viola tion thereof, is allowed to stand, and each day any sidewalk left remain ing, shall constitute separate of- fense.
 SECTION VII
 All ordinances and parts of ordi- nances in conflict herewith are here. by repealed, and this ordinance shall take effect and be in force from and after it's passage and posting.
 Dated this 18th day of April, 1916. Approved: J. W. FRANCIS,
 Mayor town of Flagstaff. Attest: GEO. A. FLEMING,
 Clerk Town of Flagstaff. April 21-May 5.