Graphic Presentation
Wcoklv total of operator. Roliil line for o»ti
niatitl work; broken line for time apent ou
work not eslimuted. Weekly total for group of operators. Wi-ekly total for department.
The portion of the daily upaee tliroucb wliieli no line drawn Rhown hoiv niucli the man has faUeti behind what \ cipwtcd of him.
Rc.vsoNS roR K.M.LiNo Behind
Abneiit
ti -- (".reen operator I -- Lurk of inntruetions L -- Slow o|>i*rator M -- Material trouble*
When tliere is more than
R -- Rep.'iirs neisled
T-- Tool troubles
V-- Holiday
Y -- Smaller lot than estimate
u basi'd on. reason for failure to do the
work in estimated time, the reason enteriil on ehart is determinetl by nskiuK questions in the follow inj; order;
R -- Was the maehine in f^ood eonditionf
T -- Were the tools and fixtures in gooil eondition'
1 -- Was the op<-rator i;i\eii proper instructions .-ind
snfHeient information? M -- Was trouble experienced with material.' G -- Was the operator too (jrivn to do the job?
L -- Was the opi'rator loo slow ?
V -- W;is the lot smaller than estimate is basiwl on?
Wallacf Clark. "The Gantt Chart -- II." Management Engineering. September 1921.
A Gantt Man Record Chart
SCALE .7
This chart is one type of those identified as Gantt Charts, developed by the organization of the late Henry L. Gantt.
REFERENCES
Knoeppel, Charles E., Graphic Production Control, McGraw- Hill Book Co., Inc., New York City, 1920.
Smith, W. H., Graphic Statistics in Management, McGraw-Hill Book Co., Inc., New York City, 1924.