浅谈国际工程设备物资管理

参与水利水电国际工程施工已经逐步成为水电施工企业的新任务,设备物资的管理成为项目施工工程质量、进度、成本的主要因素;文章论述了在国际工程设备物资管理工作中存在的问题、分析其原因,根据实际情况提出解决办法。     

水利水电工程物资管理优化措施的探讨

鉴于水利水电工程项目具有规模大、材料耗费多等特点,因此,加强物资管理具有十分重要的意义。针对目前水利水电工程物资管理存在的问题,应用精准物流管理基本理论,分析了精准物流管理思想在水利水电企业物资成本管理中运用的可行性,并提出了相关的优化措施。     

水利水电工程施工进度风险模糊因子动态识别研究

水电工程施工进度风险识别作为水利水电工程风险管理的重要组成部分,必须结合工程施工特点建立相应的施工进度风险评估机制。文章将熵值分析法引入到层次分析法中,经过修正指标权重,动态识别水利水电工程施工进度风险,并确定风险等级,探索构建水利水电工程施工进度风险指标体系。以浙江省温州市某水利水电工程为例,确定工程施工进度组合风险指标权重,同时进一步对动态量化识别的主要风险指标进行分析并提出解决对策,为科学管控水利水电工程施工进度以及有效防范工程施工风险提供可靠的决策依据。     

水利水电施工进度计划的风险分析

随着水利水电工程数量的不断增多以及水利水电基础设施的不断发展,各个部门对水利水电工程的施工进度有了不同的要求和计划,多数人为降低施工成本都希望用最少的时间来完成工程的施工,以获取丰厚的经济利润。然而在水利水电工程的施工中,会有很多因素对施工进度造成有利或有害的影响,在编排水利水电施工进度计划时,要对这些因素进行充分的分析和考虑,以预测进度计划实施中可能会遇到的阻碍与风险。     

陕西省水电物资总公司

<正>陕西省水电物资总公司(陕西省水利厅物资供销管理处)成立于1957年,是陕西省水利厅直属自收自支事业单位,是陕西省"首批省级应急物资保障单位"。具有水利部颁发的"水利水电工程主要材料供应单位资格"、"水利水电工程设备成套单位资格"和"水利工程设备制造监理乙级资质"。主要职能和业务范围是:中央和省级防汛抗旱物资储备管理、防汛抗旱服务、水利科技推广、水利工程     

浅谈苏丹麦洛维大坝工程的设备物资管壁

本文通过对苏丹麦洛维国际工程设备物资管理工作的总结,分析归纳了大型水利水电国际工程设备物资管理的基本内容和特点,以及实践中摸索出的一些经验教训,具有很强的可操作性。     

人工砂石生产企业设备物资管理初探

从大中型水利水电工程人工砂石生产系统施工过程中的设备物资管理工作实际出发,在分析设备物资管理现状及存在问题的基础上,探讨其解决办法和新的管理思路。     

浅谈PMC项目管理在水利工程中的应用

在水利工程施工过程中,项目承包管理(PMC)管理模式是一种新型的管理模式,被广泛应用于各大工程项目建设过程中。文章以实际工程为例,对PMC项目的概念进行了介绍,最后从进度把控、目标把控、索赔管控、PMC的施工管控、风险管控几方面对PMC项目管理在水利工程中的应用进行了具体的分析探讨,通过采用PMC模式进行工程实践后,施工要求得到满足,施工进度、风险及工程质量得到了很大程度的保障,值得在水利水电工程中推广借鉴。     

深溪沟工程物资采购合同管理探讨

在水利水电工程物资采购活动中,对合同的管理是一个系统化的工作,包含了物资采购合同管理的全过程.物资采购合同的管理包括物资招标、评标、定标、谈判签署、合同执行、争议处理直到最终合同执行完毕等全部管理内容.规范物资采购程序,保证采购物资质量,降低采购成本和费用,提高物资采购管理水平,对于促进总体工程建设目标的顺利实现具有重要的意义.以深溪沟水电站工程为例,对如何在工程中进行物资采购合同管理进行了探讨.     

水利水电工程施工进度管理

文章针对水利水电工程的施工进度管理,结合理论实践,在简要阐述水利水电工程施工进度管理特点的基础上,分析了进度管理原则,并提出优化进度管理的措施。得出健全施工进度管理制度、合理调整施工进度、严格执行施工进度计划、协调进度和质量的关系等是提升水利水电工程施工质量和进度管理水平关键的结论,希望对相关单位有一定帮助。     

Operation and Maintenance Performance and Conflicts in Flood-control Projects in Bangladesh

Many embankments failed in severe floods in Bangladesh in 1987 and 1988, and concern grew over ways to improve flood-control projects. Maintenance was poor due to reliance on periodic rehabilitation, but few failures were due to poor construction or maintenance. Embankments mostly failed where they were eroded or were deliberately cut. They were cut by people living outside who believed they were made more flood-prone, and by people living inside because of internal drainage congestion. This reflected inadequate hydrological modelling, lack of consultation and failure to resolve conflicts between affected groups. Resources for maintenance are not generated locally and could be used more efficiently. Participatory planning could reduce conflicts, encourage a sense of project ownership and facilitate contributions to maintenance.     

南京市2016年暴雨洪水分析与思考

2016年汛期,南京市发生了建国以来的大洪水,降雨量和主要河湖水位均超历史.在对2016年暴雨、水情、洪水特点分析的基础上,提出加强南京市防洪工程体系的建议.     

雷州半岛地区2015年防旱抗旱工作对策与启示

2015年,广东省雷州半岛地区出现大范围干旱,该文总结了干旱特点,分析了干旱成因,采取了水资源统筹调配、引导调整种植结构及播种时机、人工增雨、筹措资金应急补助等抗旱措施,效果较好。此外,提出该地区今后打造"扩库硬渠上井群"升级版、推进农业结构调整、改善生态环境推动绿色发展的防旱工作对策。     

2003年兰考、东明洪水漫滩落淤情况调查

通过对2003年秋汛期间兰考北滩、东明南滩两处漫滩情况进行调查与分析，得出的结论为：滩区共滞蓄水量6亿～9亿m^3，漫滩落淤范围为7．5km^2，顺漫滩水流方向的落淤距离约3km。在这种水沙条件下，泥沙不能被输送至较远的堤河。经分析计算，本次泥沙落淤量为900万～1350万t，且距口门1．0km范围内落淤泥沙中的82％为粒径大于0．05mm的粗沙。由此得到的主要认识有：①靠自然落淤解决“二级悬河”问题非常困难，甚至会增大“二级悬河”程度；②给漫滩水预留出路是降低淹没损失的关键；③落淤的粗沙使土地产生了十分严重的沙化现象，并且使当地环境趋于恶化。     

山西省地下水资源开发利用中存在的问题及对策

山西省水资源严重短缺 ,地下水超采严重。分析了地下水资源量及可开采量、地下水开发利用历史和现状 ,以及超采产生的环境地质问题。在此基础上 ,提出了缓解地下水超采、有效合理开发利用地下水的一些措施意见 ,为加强地下水保护和管理提供了科学依据。     

Domestic Water and Sanitation in Cyclones and Floods in Bangladesh and a Proposed Research Agenda

ABSTRACT

Water is one of the top priority item s i relief activities but the appropriateness and effectiveness of this activity may be questioned. Water and sanitation (WS) are inseparable and together they play major roles in the transmission of the pathogen of diarrhoeal disease. Thousands of people die or suffer from WS-related diseases during postdisaster periods. Here we present WS-related experiences gained after Bangladesh's 1991 cyclone and the views of participants in a regional and a national (local) workshop on this matter held in Bangladesh. About 63 per cent of the water purifying tablets (WPTs) distributed after the 1991 cyclone were found to have lost potency Relief personnel lack basic knowledge about WS practices and the management of WS provision. Participants in the two workshops documented serious problems i this field at both regional and national levels. Major issues for research may include: an appropriate environmental preparedness plan; appropriate waste disposal technologies; appropriate water treatment methods; self- help activities during vulnerable periods; and health education related to WS in disaster situations.     

Progress in ecological and environmental water requirements research and applications in China

Abstract:

With economic development, as well as population growth, the conflict between water supply and demand has become more and more acute in China, and it has been aggravated further by the irrational utilization of water resources. As a result, the deterioration and destruction of the eco‐environment have become increasingly serious. In order to effectively protect ecosystems and improve their ecological conditions, many studies on ecological and environmental water requirements (EEWR) have been carried out in China. In this paper, the concept and characteristics of EEWR are addressed, and the main advances of EEWR research and applications in China are summarized in four types of systems including studies on rivers, vegetation, lakes and wetlands, and groundwater. In conclusion, issues necessary to be studied further in the future are put forward.     

衡水市地下水开发利用存在的问题及对策

通过对衡水市地下水开发中存在问题的客观分析,提出了今后开发、利用和保护地下水的措施.     

Distribution and removal of Giardia and Cryptosporidium in water supplies in Germany

This study has been conducted, to estimate the distribution of Giardia and Cryptosporidium in German water supplies and the removal efficiency of surface water treatment plants for Giardia and Cryptosporidium by conventional treatment. Water samples from six surface water treatment plants in different parts of Germany were simoultaneously examined for Giardia and Cryptosporidium. Investigations for both parasites were carried out in the period from July 1993 until December 1995. The results confirmed the occurrence of Giardia and Cryptosporidium in surface and raw water, to intermediate steps after treatment, in back wash water, in the first filtrate and in final water. Giardia or Cryptosporidium or both have been found in 76.2% of the investigated raw water sources. The average number of the detected Giardia cysts was 88.2/100 1 (max.1314/100 I), and the average number of Cryptosporidium oocysts was 116/100 I (max. 1081/1001). In the intermediate steps (including flocculation and several steps of filtration), Giardia or Cryptosporidium or both have been found in 33.3% (50/150) of the samples. 14.9% of drinking water samples (7/47) were positive for Giardia (max. 16.8 /1001) and 29.8% (14/47) were positive for Cryptosporidium (max. 20.8/100 I). Overall, Giardia and Cryptosporidium, or both were detected in 38.3% of the drinking water samples. The parasites have been found in nearly all of the investigated backwash water samples. The filtrate of a rapid sand filter was analysed immediately after filter backwashing during the ripening period of the filter. Good elimination results were obtained by optimizing relevant water treatment process, but a low flocculant dose following sudden variation in the raw water quality, causes a breakthrough of Cryptosporidium into the treated water. Although water treatment technologies are effective to remove Giardia and Cryptosporidium, the results clearly show that Giardia and Cryptosporidium evade the filter harries m the absence of visible treatment deficiencies and low turbitidy level, and contaminate final water.