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ORDINANCE SETTING SPECIFICATIONS FOR CONCRETE SIDEWALKS
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Hereafter all sidewalks constructed, replaced or built within the districts hereinafter described in the said City of Jonesboro, shall be constructed of concrete, and when made of concrete, that is a compound of cement and crushed rock and sand, the whole composition of cement, crushed rock and sad, shall not be less than four inches in depth. The crushed rock which shall compose the bottom layer or foundation of said walk shall be of the thickness of 3-1/4 inches, and shall be mixed in proportion of five (5) parts crushed rock (3) three parts of sand and one (1) part of cement.
The finishing course or top layer shall be composed of cement and granite sand, or crushed granite, and shall be of the thickness of ¾ inch, and with the following proportions: one part cement, and one and one-half parts of crushed granite.
Adequate drainage pipes shall be put in where it is necessary.
The committee on streets, alleys and sidewalks shall have authority to require or permit different proportions or different material, if it shall be proved to the said committee that such change would be advisable, and would constitute as good a walk as one constructed according to the above specifications.
Each walk shall have a curb along both edges of said walk, the top to be level with the top of the walk, the bottom to be even with the ground, which curb also shall be approved by said committee before its acceptance. All cement used in such walks shall be Portland cement of some standard brand equal to that used in specifications for work done for the United States government, and equal to government test.
An expansion joint of (1) one inch must be placed every (150) one hundred and fifty feet in a continuous walk. The slope of walk from inside curb to outside curb shall be ¼ inch to the foot.
In excavating for sidewalks the ground shall be brought to a subgrade of not less than four (4) inches below the finished...
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