APPENDIX 2
ENVIRONMENTAL INTERACTION MATRIX WHAT ARE WE TRYING TO ACHIEVE?
SAFETY HEALTH EFFICIENCY HAPPINESS 
ensure survival, avoid hazard, provide security avoid ill-health, promote positive health promote personal and corporate efficiency promote individual and social well-being and happiness
SOURCES OF DECISION MAKING TO ACHIEVE THE GOALS LEGISLATION FORMAL GUIDANCE INFORMAL GUIDANCE
OTHER SOURCES
WHAT CAN WE DO IT WITH? PHYSICAL FUNCTION structure, building envelope, space needs, scale, number and arrangement, furniture and equpment 30 30 20 20
ENVIRONMENT comfort conditions, building services and their control 20
40
20 20
COMMUNICATIONS physical movement, data management 15 35 25 25
CHANGE flexibility to allow for future changes 0 25 25 50
QUALITY materials, appearance,shape, colour, image, 15 25 25 35
             
NON-PHYSICAL SPACE MANAGEMENT determining the use of space, re-arranging layouts, renewing furniture and equipment, updating building services 15 30 25 30
TENURE establishing or changing the legal relationship between user and space, public and private rights in space-use 10 10 15 65
PERCEPTION education, training, consultation, explanation 0 15 25 60