If the construction unit wants to check and accept the construction project on time, it must strengthen the management of hydropower project data, clarify the responsibilities of each post, constantly standardize the management of construction documents, and ensure the authenticity, integrity and systematicness of the process from formation, collection, compilation to filing. Give full play to the role of project construction and project file management in operation. The management of construction materials is more standardized, which is not only the premise of hydropower project reaching the standard and project file acceptance, but also the premise of project audit and project completion acceptance. This paper mainly introduces how to collect construction data and the compilation requirements of hydropower projects.
1 Collection scope of construction data of hydropower project
Various forms of documents and materials with reference and preservation value, such as words, charts, audio-visual images directly formed in the process of hydropower project construction, shall be filed and preserved. Construction data include: construction management data, construction technical data, construction survey data, construction records, construction test data and quality evaluation data.
1. 1 Collection scope of construction management data: project overview table, construction progress plan analysis, project memorabilia, construction log, construction summary, single project commencement application report, unit project commencement application report, division (subproject) project commencement application report, commencement order (notice), etc.
1.2 Collection scope of construction technical data: construction organization design, construction scheme, construction plan, construction technical measures, construction safety measures, construction technology and construction technical scheme application form and reply, engineering technical requirements, technical disclosure, minutes of blue prints.the design change notice, engineering change negotiation form, material substitution approval procedures, technical verification form, business contact form, memorandum, and application form for entry of engineering materials and products. Ex-factory certificate of steel bars, ex-factory certificate of steel members, material inspection records, product re-inspection records, cement test reports, raw material test reports of steel bars, brick (block) test reports of masonry, sand test reports, broken (pebble) stone test reports, lightweight aggregate test reports, waterproofing membrane test reports, waterproof coating test reports, concrete admixture test reports, and mechanical properties test reports of steel bars.
1.3 Collection scope of construction survey data: engineering positioning survey records, construction lofting inspection forms, construction survey report forms, original observation manuals and results, topographic (or shape) maps and vertical and horizontal cross-sections of completed foundation surfaces, completed survey data (coordinate tables, plans and cross-sections) of buildings and hidden parts and various holes, shafts and main parts, and completed topographic maps or cross-sections.
1.4 Collection scope of construction records: general construction records, mechanical equipment operation records, concealed works inspection records, intermediate inspection handover records, foundation treatment records, pile foundation construction records, concrete mixing temperature measurement records, concrete curing temperature measurement records, mortar mixture ratio application forms and notices, concrete mixture ratio application forms and notices, prestressed tensioning records, grouting records, embedded parts inspection records, etc.
2 preparation of construction documents for hydropower projects
2. 1 The written materials in the construction documents of this project have uniform requirements, and A4 paper (297mm×2 10mm) should be adopted. If the paper is larger than A4, it should be folded into A4 format with a binding margin of not less than 25mm at the edge. If it is smaller than A4, it should be pasted with A4 paper, and the binding edge should be reserved when pasting.
2.2 The construction documents shall be legible, the images (samples) shall be clear, the charts shall be kept clean and tidy, and the signing and approval procedures shall be complete. Use durable writing materials, such as carbon ink, to write documents. Red ink, ballpoint pen, pencil, pure blue ink, carbon paper and other faded writing materials cannot be written, supplemented, modified, annotated or signed.
2.3 All documents made of perishable materials (such as carbon paper, heat-sensitive materials, etc.). ) and the need for permanent preservation or long-term preservation, should be copied in time for backup, and the responsible unit will sign and seal the copy for confirmation.
2.4 The contents of the project construction documents shall be true, accurate, standardized, complete and systematic, in line with the actual project construction. At the same time, its depth should also meet the requirements of technical specifications, standards and regulations of engineering survey and design, construction and supervision.
2.5 The words on the construction documents shall be filled in in simplified characters promulgated by the State Council, and the handwriting shall be neat and clear. When using numbers, use Arabic numerals; With regard to the use of units, the national legal units of measurement shall be adopted in accordance with the regulations, and the prescribed symbols shall be used.
3 hydropower project completion drawing preparation
All engineering projects should be compiled after the completion of the project according to the actual situation, and the engineering projects mainly need to compile the as-built drawings.
3. 1 Where the construction is carried out according to the construction drawing and there is no change, the original construction drawing (which must be a new drawing) can be directly stamped with the red inkpad and signed with the completion stamp.
3.2 Only general design changes and material substitution can meet the requirements of bar modification or cross-modification, and can be modified on the original drawing (which must be a new drawing). Each modified part should be stamped with a red inkpad modification chapter, indicating the number and clause number of the modified document, and clearly indicating the basis, date and content of the modification in the text description above or on the left side of the title bar. The size and font of the text should be consistent with the original drawing. The drawing number of the completed drawing is to add the word "Jun" at the end of the drawing number of the original drawing, stamp it with red inkpad, and sign the completion stamp.
3.3 When the structural form, technology, plane layout, engineering and other major changes are involved, or the change area of drawings exceeds 35%, the as-built drawings shall be redrawn. What has not changed (including description) must be kept truthfully; Anyone who can accurately describe the location and content of the change in the text description above or on the left side of the title bar need not mark it on the drawing, otherwise necessary marks should be made in the corresponding modified part. The redrawn as-built drawing should have the same scale, text size and font as the original drawing, and its drawing number must also be the same as the original drawing. Just add the word "Jun" at the end of the drawing number of the original drawing, and indicate the "completion stage" in the icon of the new drawing with the completion stamp and signature.
4. The responsibility of the construction unit for engineering data management
To strengthen the management of building materials, the technical person in charge should take the overall responsibility, establish and improve the post responsibility system for building materials management, and equip with special urban construction archives administrators, whose main responsibility is to be responsible for the management of building materials. Designate a person to be responsible for collecting and sorting out the data of related projects, and the general contractor is responsible for collecting and sorting out all relevant construction data compiled by each contractor. Each subordinate contractor shall collect and sort out the construction data within their respective responsibilities, and the subcontractor shall ensure the authenticity and integrity of the collected data. And before the completion, the collected construction data will be handed over to the construction unit for completion acceptance. If there are special requirements for the number of sets of building materials, another time can be agreed for acceptance.
The quality of construction projects can be effectively managed by sorting out the data of water conservancy and hydropower projects. Once there is a problem, you can find the relevant person in charge according to the data content, which is a powerful guarantee for the quality of the project. Moreover, the project acceptance cannot be carried out without the audited construction materials, so that the project can be completed within the specified time, and there is no problem of delaying or ignoring the project quality in order to catch up with the project progress. To sum up, the management of construction data is an indispensable link in water conservancy projects.
For more information about project/service/procurement bidding, and to improve the winning rate, please click on the bottom of official website Customer Service for free consultation:/#/? source=bdzd