02 Planning of new development area

02 Planning of new development area - Lecture 2 8 Feb 2006...

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1 Lecture 2 8 Feb 2006 Planning a New Development Area Part A From Infrastructure to Urban Development Planning
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2 Decision Parameters in Concept Design-Example 1 | 3 groups of parameters:- Cost of flood damage & casualty (Subjective value) Cost of construction (Financial) Design, constructability, system reliability & consequence of failure (Innovation & technology) | Key issue:- Social & political cost Vs. Economic benefit Decision Parameters in Developing a Design Concept- Examples 2 & 3 | Primary factor:- Construction cost (Financial) | Constraints:- Disturbance to existing environment System layout, design & construction plan (Innovation & construction technology) System outline design (Design method)
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3 Observations | Subjective value is decisive factor in concept design stage | Economic assessment is primary determinant in outline design | Planning excellence depends on innovation, design & construction technology- progress in last few decades Economic and Financial Assessment (E&FA) (1) | Time of expenditure and return is important factor
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4 Effect of Time in EF&A (1) | Net Present Value (NPV) rate discount r project the of life n year t of end at the flow cash C where investment Initial r) (1 C ) lue Present va Net ( NPV t 1 t t t = = = + = = n Effect of Time in EF&A (2) | Internal rate of return (IRR) project the of life n (IRR) return of rate internal r year t of end at the flow cash C where r) (1 C Investment t 1 t t t = = = + = = n
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5 Effect of Time in EF&A (3) | NPV>0, & IRR > the cost of capital The project financial statement --- ; | NPV<0, or IRR < the cost of capital The project financial statement --- : Economic and Financial Assessment (E&FA) (2) | Value of Travel Time savings | Sensitivity Analysis | Social and Environmental costs
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6 Plan Appraisal | Effectiveness | Economic and Financial Assessment (E&FA) | Social and Political Issues | Technology, Legal & Environment issues Planning Factors economic Social technology legal environmental Political Planning constraint
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7 Effectiveness | Critical issues in PESTLE factors | Alternative system design concept | Alternative design form Technology, Legal & Environment issues | Optimum design, constructability, & reliability | Change to urban environment (natural physical environment, ecology, built environment & urban operations) | Legal Rights, Special Hardship and compensation– (Exp ?)– Air-conditioning cost in case of Tsing Fung Street flyover
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8 Social, Political & Environment issues | Compare options based on Consequence of not proceeding |
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02 Planning of new development area - Lecture 2 8 Feb 2006...

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