The Department of Transportation shall maintain, extend, and expand the system for precise control of horizontal and vertical surveys, which system was established and installed by a Board of Commissioners authorized by, and acting pursuant to Ordinance 1893-098. This system shall be known as the Baltimore Survey Control System. City Code, 1893, art. 1, §68(Supp.) 1927, art. 31, §1 1950, art. 36, §5 1966, art. 27, §5 1976/83, art. 27, §4 Ord. 1893-098 Ord. 48-466 Ord. 76-140 Ord. 15-435

In maintaining, extending, and expanding the Baltimore Survey Control System, the Department of Transportation may: reestablish and replace any triangulation stations, traverse stations, or bench marks that have been disturbed or removed; establish and install new triangulation stations or precise traverse stations or bench marks; establish, revise, and correct values for triangulation stations or bench marks; and extend the Baltimore Survey Control System beyond the corporate limits of Baltimore City. City Code, 1950, art. 36, §6 1966, art. 27, §6 1976/83, art. 27, §5 Ord. 48-466 Ord. 76-140 Ord. 15-435

The Department of Transportation shall maintain adequate, accurate, and comprehensive records showing the location of and the values established, reestablished, revised, and corrected for each of the triangulation stations, traverse stations, and bench marks comprising the Baltimore Survey Control System. These records shall be for the use of all City agencies and all engineers or surveyors having occasion to use such records. City Code, 1950, art. 36, §7 1966, art. 27, §7 1976/83, art. 27, §6 Ord. 48-466 Ord. 76-140 Ord. 15-435

The Department of Transportation shall prepare and maintain original plats, maps, and atlas sheets on which the physical characteristics of the City of Baltimore are delineated, in the manner and form determined by the Director of Transportation. City Code, 1950, art. 36, §8 1966, art. 27, §8 1976/83, art. 27, §7 Ord. 48-466 Ord. 76-140 Ord. 15-435

The Department of Transportation shall make or have made from time to time copies of the original plats, maps, and atlas sheets, in the form and quantity determined by the Director of Transportation. These copies shall be purchasable at a cost to be fixed and determined from time to time by the Director of Transportation. Purchasers, excepting agencies of the Mayor and City Council, shall pay to the Mayor and City Council the cost of all the plats, maps, or atlas sheets purchased, and these costs shall be collected as are other similar charges due the Mayor and City Council. City Code, 1950, art. 36, §9 1966, art. 27, §9 1976/83, art. 27, §8 Ord. 48-466 Ord. 76-140 Ord. 15-435

The maps prepared under <cite data-path="|26|§2-4">§ 2-4 of this article</cite>:shall be revised from time to time by the Department of Transportation, so as to keep them reasonably up-to-date; and shall be the Official Map of Baltimore City. All departments, bureaus, boards, and commissions of the City:shall use said maps as the Official Map of Baltimore City; and may require all maps, plats, and drawings submitted to them to be in conformity with the said Official Map. City Code, 1950, art. 36, §10 1966, art. 27, §10 1976/83, art. 27, §9 Ord. 49-704 Ord. 76-140 Ord. 15-435