Township of Crescent, PA
Allegheny County
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Table of Contents
Table of Contents
GENERAL REFERENCES
Subdivision and land development — See Ch. 440.
Street construction — See Ch. 720.

§ 730.01 Width and elevation of sidewalks.

[Ord. No. 69, passed 7-5-1916]
All sidewalks in the public streets or highways in any town or village of said Township shall be of the following width to the outer edge of the curbline, viz: On streets or highways 70 feet wide, or upwards, the sidewalk shall be 14 feet in width; on streets or highways of the width of 60 feet, or more and less than 70 feet wide, the sidewalk shall be 12 feet in width; on streets or highways of the width of 50 feet, or more and less than 60 feet wide, the sidewalk shall be 10 feet in width; on streets or highways of the width of 40 feet, or more and less than 50 feet wide, the sidewalk shall be eight feet in width; on streets or highways of the width of 30 feet, or more and less than 40 feet wide, the sidewalk shall be six feet in width; and on streets or highways of a width less than 30 feet no sidewalks shall be required. All sidewalks shall have an inclination of 1/4 inch to the foot rise from the outer edge of the curbline to the property line and which edge of the curbline shall have an elevation of six inches above the grade line of said street or highway.

§ 730.02 Manner of construction for sidewalks.

[Ord. No. 69, passed 7-5-1916]
All said public streets or highways, when the roadway thereof shall have been graded to an established grade all sidewalks shall be paved with brick, flagstone or concrete of the width and constructed in the following manner:
A. 
The width of the said brick, flagstone or concrete sidewalk pavement where the whole sidewalk is of the width of 14 feet shall be seven feet; where the whole sidewalk is of the width of 12 feet shall be six feet; where the whole sidewalk is of the width of 10 feet shall be five feet; where the whole sidewalk is the width of eight feet shall be four feet; and where the whole sidewalk is the width of six feet shall be three feet; and that such sidewalk pavement shall be laid equidistant from the outer edge of the curbline and the property line.
B. 
All sidewalk pavements, whether of brick, flagstone or concrete, shall be constructed as follows. All sidewalks shall first be graded to conform to the inclination and elevation hereinbefore specified with respect to the established grade of the public street or highway. All subsoil or other matter, whether earth, rock or other material, shall be excavated and removed from the portion of the sidewalk to be paved to the required depth of the subgrade as well as from the places at which cross subdrains shall be constructed as hereinafter specified. Should there be any spongy material or vegetable matter in the bed thus prepared, all such material shall be removed and the space filled with clean gravel or sand and carefully rammed so as to make such filling compact and solid.
1. 
Brick sidewalk. Upon such sub-foundation for brick sidewalks, which brick shall be of a good quality of paving brick, there shall be laid a layer of course cinder or gravel to a depth of four inches, which cinder or gravel shall be free from foreign matter, shall contain sufficient fine materials to fill the voids in the coarse material, and shall be thoroughly compacted by tamping. Upon which cinder or gravel foundation a layer or cushion of sand three inches in depth shall be laid to bed the bricks and upon which the bricks shall be laid in a good and workmanlike manner. As soon as the bricks have been laid the joints shall be filled and the pavement covered with clean, fine dry sand and the pavement shall then be rammed to a firm bearing with uniform surface and brought to the inclination and elevation as hereinbefore specified.
2. 
Flagstone sidewalk. Upon such sub-foundation for a sawed flagstone sidewalk, which flagstone shall be of the best quality of gray Cleveland sandstone or stone equal in quality thereto, of uniform color, with surface sawed to a plane, free from warps, depressions or projections or defects of any kind, shall have a width equal to the width of the sidewalk pavement, a length of not less than four feet and a thickness of at least three inches, there shall be laid a layer of coarse cinder or gravel to a depth of four inches, which cinder or gravel shall be free from foreign matter, shall contain sufficient fine materials to fill the voids in the coarse material, and shall be thoroughly compacted by tamping. Upon which cinder or gravel foundation a layer of cushion of sand three inches in depth shall be laid to bed the flagstone and upon which the flagstone shall be compactly laid in a good and workmanlike manner to a firm bearing with uniform surface and brought to the inclination and elevation as hereinbefore specified.
3. 
Concrete sidewalk. Upon such sub-foundation for a concrete sidewalk there shall be laid a layer five inches in depth of clean coarse cinder, gravel or broken stone, ranging in size from 2 1/2 inches to 3/8 inch, which shall be free from dust, dirt or other foreign matter and shall be thoroughly rammed or rolled and then leveled off so as to be parallel with the finished surface of the sidewalk. Upon which foundation shall be laid concrete masonry forming a slab of Portland cement concrete five inches in depth, not more than six feet in length nor containing more than 36 square feet of surface area. The concrete shall be mixed in the proportions of one volume of any first class American Portland cement, two volumes of sand and four volumes of gravel or broken stone which gravel or broken stone shall be uniformly graded from fine to coarse and shall all pass a 1 1/4 mesh screen and be retained on a 1/4 inch mesh screen and which sand shall be coarse and in no case shall more than 3% of the same pass a sieve having 100 meshes per lineal inch, to which, after being thoroughly mixed, sufficient water shall be added so as to produce concrete of a consistency that can be readily worked and finished in the manner hereinafter required. The forms for such slabs shall be smooth, free from warp, of sufficient strength to resist springing out of line and of a depth to conform to the depth of the finished sidewalk. Such forms shall be well staked, thoroughly braced, properly and accurately set to the established line with their upper edges conforming to the proper finished surface of the sidewalk and the inclination and elevation herein before specified. After mixing the concrete shall be handled rapidly, properly tamped against the forms, the coarse material forced to the bottom, and each slab finished in one continuous operation in a good and workmanlike manner with the wearing surface, when finished, having a moderately rough surface and the joints, after the concrete has set sufficiently, cut to the depth of the slab and filled with dry sand. Working the finished surface with a steel trowel as well as the application of cement to hasten the hardening is prohibited. Excess water shall be removed with a rag or mop. After completion of each slab suitable means shall be used to prevent damage to the finished surface and such surface shall be kept moistened with water for at least four days.
C. 
All sidewalk sub-foundations shall be provided with cross-subdrains of broken stone 10 inches by 12 inches at intervals of 25 feet connecting the sidewalk subfoundation with the broken stone curb drain.