(A) The town’s Civil Engineer shall and he is hereby ordered to select some suitable and permanent point upon the Town Hall in said town and to calculate and ascertain the exact elevation and distance of said point above the level of the sea and to permanently mark on said point by marks which cannot be erased or destroyed, its distance and elevation above the level of the sea and to record the location and description of said point and its distance and elevation above the level of the sea and the markings thereon in the proper records in his or her office, which point, when calculated, ascertained and properly marked and recorded, shall hereafter be taken as a benchmark for the grades of all the streets and alleys within the corporate limits of said city.
(B) When the grade of any street or alley within the said town is hereafter established by said Town Council, the said benchmark described in division (A) above shall be the base from which said grade shall be calculated and described.
(C) When the grade of any street within the said town shall be established duly and legally by the Town Council, the grade thereof shall be marked as follows: wherever said street intersects with any other street in said city, two lines shall be drawn, one line being drawn parallel with and eight feet south from the north line of said intersection, and one line being drawn parallel with and eight feet east of the west line of said intersection, at the point of the intersection of said two lines, a concrete, stone or iron monument shall be placed and the top of said monument shall be set at the true grade of the street at the intersection of the centerlines of said intersecting streets.
(D) Benchmarks shall be established at convenient points and wherever possible. The elevation of the tops of said benchmarks from said monuments and the distance and location therefrom shall be ascertained and said distances, elevations and locations shall be permanently marked on said benchmarks by marks which cannot be erased or destroyed.
(E) An accurate description of the location of said monuments and the marking thereon, if any, and an accurate description of said benchmarks and their locations and their elevations from said monuments and the markings thereon and the elevation of said benchmark provided for in division (A) above, from said monuments, shall all be recorded in the proper records of his or her office by the said Town Civil Engineer. A book of grades and markings and profiles of the different streets shall also be properly kept by the Town Engineer.
(Prior Code, Title II, Ch. V, Art. I) Penalty, see § 151.99