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BOT作为一种新的投资方式,在发展中国家得到广泛应用。对污水处理设施BOT项目进行的风险分析表明,此类项目需主要面对的是运营风险、经济风险、政府风险、融资风险,外界风险和不可抗力风险则是不可忽视的。通过购买运营保险;污水处理服务费根据物价指数变化2到3年调整一次,对于地质条件的不确定性,在特许经营权中明确写明未发现的地质缺陷作为调整水处理服务的依据;加强与政府主管部门的沟通,经常关注管辖区的政府财政收入变化:污水服务费的计算中适当提高内部收益率;采用多种货币相结合的方式来降低汇率风险的影响。这些措施可减小、控制风险。
As a new investment method, BOT has been widely used in developing countries. The risk analysis of BOT projects in WWTPs shows that such projects should mainly deal with operational risks, economic risks, government risks, financing risks, external risks and force majeure risks. Through the purchase of operating insurance; sewage service fee adjusted according to the price index changes two to three years once, for the uncertainty of geological conditions, clearly stated in the franchise of undiscovered geological defects as a basis for regulating water treatment services; strengthen Communication with government departments often pay attention to the change of government revenue in jurisdictions: the internal rate of return is appropriately raised in the calculation of sewage service charges; and the effect of exchange rate risk is reduced by a combination of multiple currencies. These measures can reduce and control the risk.