AWWA WQTC62609 UV Disinfection Cost Update: Current North American UV Facility Costs

紫外线消毒成本更新:当前北美紫外线设施成本

基本信息

标准号

AWWA WQTC62609

标准状态

现行

发布单位或类别

美国-美国给水工程协会(US-AWWA);

发布日期

实施日期

废止日期

CCS分类

ICS分类

研制信息

起草单位

- 展开▼

起草人

归口单位

摘要

Ultraviolet (UV) disinfection is gaining popularity with North American utilities that are seeking to increasedisinfection barriers or to meet future regulations. Over 30 utilities in North America haveinstalled or are currently designing UV disinfection facilities. UV retrofit costs have beenreported previously by Cotton et al (2001) and US Environmental Protection Agency(USEPA) (2003a); however, these costs were estimated based on general assumptions and notspecific UV retrofit conditions. To assess these previously reported costs, a limited survey wascompleted to gather UV retrofit assumptions and costs, and eighteen utilities provided costassumptions and cost estimates. Each utility provided the following information:the date that the cost estimate was prepared;the design and average flow for the UV facility;the design of the UV transmittance (percent at 254 nm);status of the design (i.e., conceptual, preliminary, final design, actual contractor costs); and,a detailed cost breakdown for the UV facility including: UV reactors, pipes, fittings, valves,building, instrumentation, ventilation, electrical, design and construction management, andmark-ups.These "actual" assumptions and costs were compiled and compared to previous general UV costestimates presented by the USEPA in 2003. In addition, several cost component trends wereobserved. The previous cost models were revised to better reflect current UV disinfectionretrofit trends and are presented in this paper. Includes 4 references, tables, figures. 紫外线（UV）消毒越来越受北美公用事业公司的欢迎，这些公司正在寻求增加消毒屏障或符合未来法规。北美有30多家公用事业公司已安装或正在设计紫外线消毒设施。紫外线改造成本已经降低Cotton等人（2001年）和美国环境保护署之前曾报道过（美国环保局）（2003a）；然而，这些成本是根据一般假设估算的，并非如此特定的紫外线改造条件。为了评估这些之前报告的成本，进行了有限的调查完成收集紫外线改造假设和成本，以及18家公用事业公司提供的成本假设和成本估算。每个公用事业公司都提供了以下信息:成本估算的编制日期；紫外线设施的设计和平均流量；紫外线透射率的设计（254 nm时的百分比）；设计状态（即概念设计、初步设计、最终设计、实际承包商成本）；和紫外线设施的详细成本明细，包括:紫外线反应器、管道、配件、阀门、，建筑、仪表、通风、电气、设计和施工管理，以及加价。对这些“实际”假设和成本进行了汇编，并与之前的一般成本进行了比较美国环保局在2003年提出的估计。此外，还有几个成本趋势观察。对之前的成本模型进行了修订，以更好地反映当前的紫外线消毒本文介绍了改造的趋势和发展趋势。包括4个参考文献、表格和图表。展开▼

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