| The article summarizes the practical experience of large-medium Sized irrigation projects supervision both home and abroad, and it attempts to explore possible paths for the benign development of high-lift stepped irrigation, project (HLSIP) under the market economy. Meanwhile, by analyzing the characteristics of HLSIP (including the newly-built and innovated projects), it tries to explore suitable supervision model for the project and it mainly studies the quality, cost and time control of the project in different stages.The HLSIP'S newly-built projects carry out supervision system, which is favorable to improving investment environment, optimizing project design, improving the quality of projects and the project's adaptability to market. The innovated projects' supervision system is favorable to lowering the cost, changing the ageing of projects and bringing in advanced administration equipment and technology, enabling the projects get rid of the dilemma and step into the track of benign cicle .The newly-built projects' construction supervision system should adopt independent social form and implement the supervision of omnibearing and full process (mainstay project, field interplant project and the supervision manufacture of equipment), which will be favorable to the optimal achievement of the project's general aim, cutting down the latent danger of quality and reducing the cost of operation and management. In view of the innovated and removuded projects have the characteristics of long period of investigation, short period of implementation, various items and difficulty of collecting capital, it had better directly entrust the supervision unit which knows the operation and administration of the project beer an a put into fewer and more efficient supervisors and administrators to take a full process supervision. During the construction stage, the site supervisor is chosen by the unit from proprietor, and the quality central is conducted by way of on-the-spot guidance to meet the needs of proprietor's ideal remoulded effect.The focus of supervision is to guarantee the optimal achievement of quality, time and cost. Quality control is the core of the object control. The main points of HLSIP quality control includes: during the design stage, it is necessary to control the scheme comparison and optimum design, esp. the waterwork, electromechanical device and irrigation region planning, to improve the design quality and pay attention to control the long-term benefits of design results; during construction period, the supervisor should help proprietor choose construction contractor, sign the construction contract, supervise the manufacture of equipment andstrictly execute the quality control procedure to subject the construction to controlled mode;in addition, the contractors must improve their quality self-control, maintain the notion "quality first" and insist the full process, multiway, and multi system control of construction quality.The cost control of HLSIP shoud take a method of quota design step by step during the design stage; during the construction seage, the emphasis should be attached to optimizing construction scheme, check and signing the working drawing and making a strict demand on metering pay. At the same time, the cost out-of-control should be avoided, and the constructor should treat the project change cautiously and properly handle the claim.The key to the time control of newly-built projects is to fix project's general control task time and stage control task tine, and break them up to the time plan to realize the project's early operation and benefit achievement; the time control should aim at practicing the plan but not affecting the project's annual irrigation plan, by working out plan, following up the construction and timely error correcting management to make sure the achievement of project's task time.Through the applied research on the HLSIP supervision system, the article summaries the experience of supervision system in the practice and the model and operat... |
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