Muthers Grid Different Sections Areas in an organisation

Muther’s Grid Different Sections / Areas in an organisation Extent of their Interactions / Relationships

Production A E I O U X O Offices A U Stockroom I E O A X U Shipping and receiving U Locker room A U O O O Toolroom Absolutely necessary Especially important Important Okay Unimportant Undesirable

Original layout Offices Stockroom Locker room Toolroom Shipping and receiving Production A E I O U X

Relationship diagram of original layout Offices Stockroom Locker room Toolroom Shipping and receiving Production A E I O U X

Production – 2 ‘Absolutely Necessary’ transactions ; 1 ‘Especially Important’ transaction ; 1 ‘Okay’ transaction Therefore Production needs to be centrally located with the other departments around it.

A Solution 1 Stockroom Shipping and receiving Offices Toolroom Production Locker room E I O U X

A Solution 2 Stockroom Locker room Offices Shipping and receiving Production Toolroom E I O U X

Block Diagramming Purpose is to minimise nonadjacent loads Used when quantitative data is available Steps : Create load summary chart Calculate composite (two way) movements Develop trial layouts minimising number of nonadjacent loads

Load Summary Chart To From 1 2 3 4 5 1 - 100 50 - - 200 50 - 3 60 - - 40 50 4 - 100 - - 60 5 - 50 - - -

Composite Movements Movement 2 3 2 4 1 3 1 2 4 5 3 5 2 5 3 4 1 5 Total Load 200 150 110 100 60 50 50 40 0 0

Arranged in a 2 x 3 Grid 1 2 4 5 3

110 100 4 60 2 200 50 15 0 1 50 5 40 3

Blocks Rearranged with Nonadjacent loads cancelled out 150 2 4 50 60 40 0 11 200 1 100 3 5 50

Cellular Layouts 1. 2. 3. 4. Identify outputs with similar flow paths Group processes into cells based on output Arrange cells so transactions are minimised Locate shared processes at point of use

Original Machine Layout 4 6 7 8 5 12 10 2 1 9 3 11

Original Process Layout Outputs 4 7 6 8 5 2 A B 12 10 3 1 9 C 11 Inputs

Determine Flow Logic A : 1 – 2 – 4 – 8 – 10 B : 5 – 7 – 11 – 12 C: 3– 6– 9 D : 1 – 2 – 4 – 8 – 10 E : 5 – 6 – 12 F: 1– 4– 8 G : 3 – 6 – 9 – 12 H : 7 – 11 – 12

Part Routing Matrix Outputs A B C D E F G H 1 X X X Workstations 2 3 4 5 6 7 8 9 10 11 X X X X X X 12 X X