CUMMINS EGMBS Specifications download pdf (Page 11)

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Time Allowances

After the total productive time is established, an additional allowance of 15 percent is added to cover the

following:

− Personal time of 5 percent for:

− Scheduled rest breaks

− Personal phone calls

− Restroom breaks

− Shift changes

− Supplementary time of 10 percent to cover normal work interruptions:

− Seized or hard turning fasteners

− Extra time for extremely dirty equipment

− Excessive waiting time for replacement parts

− Brief assistance to other mechanics (less than 5 minutes)

− Routine maintenance (not repair) of shop equipment

− Obtain consumable supplies

− Technical consultation with shop supervision

The following is an example of how the allowances are calculated to establish the SRT for a procedure

where the productive time is 208.7 minute (3.48 hr):

Allowance Allowance Time

Type Percent (%) (Minutes)

Productive Repair Time 100 208.7

Personal 5 10.4

Supplementary 10 20.9

TOTAL 115 240.0

Published Standard Repair Time = 4.0 hours

Work Not Included in an SRT

For almost every complete repair there will be one SRT that contains most of the work performed. This is

sometimes called a base repair. For example, repairing an engine for high oil consumption often requires

use of the SRT title Piston and Rings − Remove and Install. This SRT contains most of the time appropriate

for the repair, so it is the base repair. There can be work required that is not part of this base SRT. This does

not mean that the other work is non−productive, rather that other work is NOT required EVERY TIME the

pistons and rings are removed and installed. More often than not, this other work is covered by another SRT.

If the other work is not included in the base repair or in another SRT, the work is probably still productive

work required for that particular repair.

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CUMMINS EGMBS Specifications Page 11