DOCUMENTARY SUPPLY OF CONSTRUCTION AND INSTALLATION WORKS ON THERMAL NETWORKS
PURPOSE. Summarizing the existing experience, to determine and justify the list of documents required for delivery and acceptance of heat networks in operation, as well as to identify shortcomings in the process of construction and installation works, on the basis of analysis of which we can make number of proposals to improve the entire process. METHODS. Analysis of normative documents, review of scientific research in the field of documentary support of the construction process, making a list of necessary documents that are located at the heat network company at the end of construction and installation works and commissioning and acceptance of the heating main. RESULTS AND THEIR DISCUSSIONS. A number of types of construction work should be formalized by acts of survey of hidden works, references to which are given in the general magazines of welding, concrete and anticorrosive works. Special attention should be paid to the author's supervision of the construction. Typical observations of the engineers of the supervision are: failure to provide the abovementioned acts of hidden works, inconsistency of the individual elements declared in the working documentation, violation of filling technology and the sequence of work, displacement relative to the vertical axes. As part of the start-up phase, at least four operations must be carried out. After acceptance of the site of the heat network, the company must be provided with executive documentation under the contract, which includes technical acts and decisions, executive schemes, statements of pipelines, fittings and joints. CONCLUSIONS. The presented list of documents will be useful for heat supply organizations and organizations specializing in technical supervision. Several omissions have been revealed in the course of construction and installation work, including the workload of the head of the district heating, ignoring the necessity of author supervision, and failure to submit acts of hidden work.