5. Forestry
Products
Mining
Products
5
C
C
Distortions &
amplification in
demand requirements
reverberate backward
Steel
Products
Component
Supply
(H/L)
Offshore
Products
C
Suppliers
Supply Variability
C
Drilling
Systems
C
Synchronization and Flow Challenge
C = Customer
= Remote Location
Demand /
Information
Variability
End Item Assembly
inherits the amplifying
upstream variability.
Lead Time before DDMRP
6. 6
= Strategic Replenishment Buffers
Suppliers
= Time Buffer
SP CS
FP
MP
OP
C
C
C
C = Customer
DS
C
= Remote Location
C
DDMRP Design
7. DDMRP (Longview) vs. MRP (Houston)
High Inventories
Shortages
Massive Expedites
7
700
700
Stock-600
outs reduced by over 66%!
500
400
300
200
100
0
Dec '01 Dec '02 Dec '03 Dec '04 Dec '05 Dec '06 Dec '07 Dec '08 Sep
'09A
$Millions
Longview Inv Longview TR
600
500
400
300
200
100
0
Dec '01 Dec '02 Dec '03 Dec '04 Dec '05 Dec '06 Dec '07 Dec '08 Sep
$Millions
Houston Inv Houston TR
Low Inventories
High Service
Fewer Expedites
9. Before Demand Driven – FMCG Example (soap)
9
Raw
Pack
Mix Room
Pack 1
Pack 2
Pack 3
DC
DC
DC
DC
50+ Days
Planned Orders (MRP)
Purchase Orders
Manufacturing Orders
Expedites/
Schedule
Break-ins
11. Immediate Results for Materials – FMCG (soap)
11
300 Materials are buffered without
increase in RPW inventory. This is
accomplished with 18% less total
RPW.
Dampened the bull whip, now
operating more effectively, with less
working capital
Before
Replenishment lead time has been After
reduced 82% to 9 days from 50 days,
becoming Responsive
Finished Goods dropped 45+%
with consistent services level at
or above 99.7%