Sec. 100. 

The Board of Civil Service Commissioners shall establish classes for all offices and places of employment mentioned in Sec. 111 of this article with reference to the examinations herein provided for. Each class shall include all positions sufficiently similar in respect to the duties and responsibilities therefor in which: (a) The same requirements as to education, experience, knowledge and ability are demanded of incumbents; (b) the same tests of fitness may be used in choosing qualified appointees; (c) the same schedule of compensation may be made to apply with equity.

The offices and places so classified by the board shall constitute the classified civil service of said city; and no appointment to any such offices and places shall be made except under and according to the rules hereinafter mentioned.

The board shall give appropriate titles to the positions so classified, and the titles so given shall be used in all records and communications of the board, the Controller and the Treasurer and in all reports and payrolls providing for the payment of personal services.  (Sec. Added, 1925.)

Reclassification of positions cannot operate to remove persons from positions in which they have civil service status.

Carter v. City of Los Angeles, 67 Cal. App. (2d) 524, 530.

Civil service employees have no vested contractual right to have their employment continued unaffected by Charter amendments.

Risley v. Bd. of Civil Service Commrs. of the City of Los Angeles, 60 Cal. App. (2d) 32.

Positions by rank, grade, or otherwise, may be established, and different salaries for each rank or grade provided, even though such positions are all within one class as determined by the Board of Civil Service Commissioners.

Monahan v. Dept. of Water & Power, 48 Cal. App. (2d) 746, 752.

A labor union may not, consistently with the public policy expressed in the Charter, lawfully either strike or picket for the purpose of enforcing demands as to conditions of employment in respect to which neither the City nor the Department of Water and Power is obliged to bargain collectively.

City of Los Angeles v. Los Angeles Bldg. and Constr. Trades Council, 109 Cal. APD. (2d) 81.

City of Los Angeles v. Los Angeles Bldg. and Constr. Trades Council, 94 Cal. App. (2d) 36, 46.