[59 STAT. PUBLIC LAWS-CH. 274-JULY 6, 1945 Additional grades. and shall be promoted successively at the beginning of the quarter following one year's satisfactory service in each grade to the next higher grade until they reach the eleventh grade: Provided, That for such motor-vehicle employees at post offices of the first class there shall be three additional grades; that is, grade 12, $2,800; grade 13, $2,900; grade 14, $3,000, and that employees who perform faithful and meri- torious service shall be promoted to grade 12 after three years of such service in grade 11 shall be promoted to grade 13 after five years of such service in grade 12, and shall be promoted to grade 14 after seven years of such service in grade 13. (c) The pay of substitute, temporary, or auxiliary special mechanics shall be at the rate of $1.25 per hour. The pay of substitute, tem- porary, or auxiliary clerks, driver-mechanics, general mechanics, and dispatchers shall be on an hourly basis at the following rates: Grade 1--
$0.84 per hour Grade 2------------ . 89 per hour Grade 3--
. 94 per hour Grade 4--
. 99 per hour Grade 5-
1.04 per hour Grade 6--------------- 1.09 per hour Grade 7------------ $1.14 per hour Grade 8-------- 1.19 per hour Grade 9---- -- 1. 24 per hour Grade 10----------- 1 . 29 per hour Grade 11----------- 1.34 per hour (d) Garagemen-drivers and mechanics' helpers shall be divided into six grades with annual salaries as follows: Grade 1_ ----
$1,600 Grade 2------------- 1, 700 Grade3------
1,800 Grade 4--- --- -- $1,900 Grade 5-------
2, 000 Grade 6------------------ 2, 100 and shall be promoted successively at the beginning of the quarter following one year's satisfactory service in each grade to the next higher grade until they reach the sixth grade. The pay of substitute, temporary, or auxiliary garagemen-drivers, and mechanics' helpers shall be on an hourly basis at the following rates: Grade ----------- $0.79 per hour Grade 4-
$0.94 per hour Grade 2-
. 84 per hour Grade 5
. 99 per hour Grade 3 ----------- .89 per hour. Grade 6-------------- 1.04 per hour (e) Substitute employees in the automatic grades listed in this section shall be promoted to the next higher grade at the beginning of the quarter following two thousand and twenty-four hours' satisfac- tory service in a pay status, including time served as a special delivery messenger: Provided, That there shall be not more than one increase in the rate of pay of such employee within a period of twelve months: Provided further, That, when a substitute employee is appointed to a regular position, such employee shall be assigned to the salary grade corresponding to the salary grade as a substitute. Any fractional part of a year's substitute service accumulated since the last compen- sation increase as a substitute shall be included with the regular service of a regular employee in determining eligibility for promotion to the next higher grade following appointment to a regular position. CUSTODIAL SERVICE SEC. 14. (a) The annual rates of compensation of supervisory employees in the custodial service shall be as follows: Supervising superintendents of buildings, $5,200. Superintendents of mechanical units, $5,000. Assistant superintendents of mechanical units, $4,200. Promotion of certain substitute employees. 446
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