Sustainable Environmental Engineering

15Life Cycle Cost and Benefit Analysis

The essence of sustainable design is to optimally balance capital, and operation and maintenance costs.

OBJECTIVES

• To conduct life cycle cost and benefit analysis of an EEIS design
• To optimize pipe size with consideration of capital and O&M costs using innovative technologies
• To quantify monetary benefit of EEIS project in terms of environmental tax
• To select different phosphorus recovery technologies according to capital and O&M costs
• To bring a technical concept to market quickly and efficiently in a rapidly changing technical environment
• To introduce basic concepts of business development, strategy, value and vision for SEE industry
• To identify business opportunities and create a new business of SEE industry
• To explain public and private partnership (PPP) to finance a business venture related to SEE

15.1 Principle

To reduce life cycle cost and maximize benefit over the life expectancy of an EEIS, standardized and modularized technologies play a key role in all the environmental engineering infrastructure (EEI) systems. Up‐front capital costs, operating costs, and total expected present value costs will be significantly reduced using modular components. For decentralized WRRF or even centralized WRRFs, emerging innovative technologies in anaerobic digestion, biomass conversion, and nutrient recovery technologies might significantly increase system reliability and resiliency. For example, molten salt fuel cell (MSFC) technologies ...