P07401: EPA Water Disinfection Project
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Customer Needs

Customer Needs

Based on interviews with the team guide and faculty members and discussion amongst the team members, the needs assessment that originated from the Project Readiness Package, was revised as necessary and finalized.

Four main needs were identified. Each main need is comprised of several sub-needs that addressed the customer's needs on a more detailed level.

The four main needs require that the solar pasteurizer be:

Need # Need Importance*
1 SOLAR PASTEURIZER SHOULD BE ECONOMICAL X
1.1 Use resources readily available in the developing world 9
1.1a Will not use specialized imported system components 3
1.2 Use fabrication techniques readily available in the developing world 9
1.3 Should be functional without electrical power 9
1.4 Should not require scarce fuel wood 3
1.5 Should not require a source of chlorine 3
1.6 Should be affordable 9
1.6a Cheap to produce 3
1.6b Cheap to purchase 9
1.6c Cheap to own (little or no maintenance) 9
1.7 Should be durable 9
2 SOLAR PASTEURIZER SHOULD BE SAFE X
2.1 Will disinfect the water source available to that area 9
2.2 Will thermally kill pathogenic protozoan, bacteria, and viruses below the boiling point 9
2.3 Will be able to handle sediment in the water 3
2.4 Will be failsafe (tamper proof) 9
2.5 Will entail a treated water testing system to ensure a quality end product 3
3 SOLAR PASTEURIZER SHOULD BE VERSATILE X
3.1 Will be effective on different sources of water 9
3.2 Will work for either home, school, or small clinic applications 3
3.3 Can be used in different countries (language, climate, etc.) 3
3.4 Will be easily integrated into existing water system 3
4 SOLAR PASTEURIZER SHOULD BE EASY TO OPERATE X
4.1 Will be low maintenace 3
4.2 Will be operable by a person with little education 9
'*'(X=N/A, 1=LOW IMPORTANCE, 3=MEDIUM IMPORTANCE, 9=HIGH IMPORTANCE)