Document V3eqQgj61XG1d98o9o2gp0r5Z
41
To: c. J. McDonald, A. E. Bagwell
Interoffice Communication
From: Date:
Subject:
p. j. Kober January 18, 1989
MEETING NOTES - VCMEFFICIENCY/VARIABILITY
VKIA
Analyze the process used to arrive at the VCM efficiency, determine the primary influences and make recommendations on how to improve the process such that the control limits on the consumption can be narrowed by 33%.
2. Overall Process Diagram
Efficiency
| VCM Accounting]
Physical Losses
Vinyl Unit
- U' L 'J'TV.-
PVC Accounting
3. Causes Inherent to Each Part of the Process:
1. Railcar weights from LCVCM ______. billing weight ______ entered into system.
2. How does current billing method compare to an alternate method?
3. Step-by-step analysis of Aberdeen account ing of VCM .
a. Railcars b. Sphere c. In-process inventory d. Month-end inventory procedures
VAB.0001105382
C. J. McDonald, A. E. Bagwell 1/18/89 Meeting Notes - VCM Efficiency/Variability
1. Conversion to new technology - did it affect efficiency?
2. Leaks; leak survey, etc.
3. RVCM content of finished product (slurry)
4. Loading losses
5. PVC Leaks:
a. Baghouse b. Scrubber
c. Dryers
d. Spills e. Etc.
6. Other:
a. Culls - increased production with new technology but they are not counted as production.
C. PVC Accounting
1. Plant and off-site storage:
a. Silos b. Railcars c. Warehouse - bags, boxes d. Pond - seasonal production there
fore it causes swings in control limits. e. Culls
a. Compound b. Dry Blend
3. Transfer to outside customers
4. Step-by-step analysis of Aberdeen's methods.
A
VAB.0001105383
C. J. McDonald, A. E. Bagwell
1/18/89 Meeting Notes - VCM Efficiency/Variability
4. Action Steps:
Note:
It was decided to work on one
section at a time. \J
AiCcOUMTimG
PJK:
Analyze railcar building.
AEB:
Alternate method - local weighing
of cars once per week for next four weeks to determine if overbilling is still a major problem.
CJM:
Step-by-step analysis of Aberdeen accounting system.
PJK: Investigate culls accounting.
CJM:
Revise efficiency control chart when new technology conversion occurred.
Next meeting:
January 25, 1989 10:00 a.m. PJK's office
P. J. Kober Vinyl Operations Superintendent
rah
cc: RWS, DCS
*
PJK disc #l/rah
VAB.0001105384
EFFICENCY (#VCM/#PVC)
1.07 1.06 1.05 -UCb1.04 1.03
1.02 1.01
1
0.99 0.98 0.97 0.96 0.95 0.94
0CTB4
JUN85
MONTHLY VCM EFFICENCIES
1985 - 1989
FEB86
0CT86 JUN87
MONTH
FEB88
0CT88
r
VAB.OOOl105385
EFFICENCY (#V C M /#P V C )
MONTHLY VCM EFFICENCIES
1985 - 1989 1.07 1.06 1.05
1.04 1.03
1.02
1.01
1
0.99
0.98
0.97
0.96 0.95
~LClr"
0.94 0CT84
n | i ri i i i |
I
JUN85
FEB86
0CT86
rTT"T
JUN87
MONTH
r ri |
FEB88
0CT88
VAB.0001105386
>-
#
VAB.0001105387
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