SNIP 3.05.06-85 Electrical devices

Building Regulations Electrical devices SNIP 3.05.06-85 GOSSTROY USSR Moscow 1988 DESIGNED VNIIproektelektromontazhem Minmontazhspetsstroya USSR (VK Dobrynin, I. Long-Leader, Candidate. Tekhn. Sciences VA Antonov, AL pancakes, VV Belotserkovets, VA Demyantsev, PhD. Tekhn. Science NI Korotkov, E. Panteleev, PhD. Tekhn. YA Sciences grew, AS Starostin, AK Shulzhitsky) Orgenergostroem USSR Ministry of Energy (GN Ellenbogen, NV Balanov, NA Voynilovich, AL Potter, N. Lerner) Selenergoproektom USSR Ministry of Energy (GF Sumin Yu Nepomnyashchii) UGPI Tyazhpromelektroproekt Minmontazhspetsstroya USSR (EG Poddubny, A. Koba). ENTERED Minmontazhspetsstroya USSR. PREPARED TO APPROVAL Glavtehnormirovaniem USSR State Construction (BA Sokolov). With the introduction of SNIP 3.05.06-85 "Electrical equipment" are repealed SNIP III-33-76 *, CH 85-74, CH 102-76 *. Agree with Glavgosenergonadzorom USSR Ministry of Energy (letter dated 31 January 1985 . № 17-58), GUPO Ministry of Internal Affairs of the USSR (letter dated 16 September 1985 № 7/6/3262), chief sanitary doctor of the Ministry of Health (letter dated January 14, 1985 № 122-4/336-4). When use of the normative document should take into account the approved changes of building codes and national standards, published in the journal "Bulletin of construction equipment," "Code changes to building regulations" of the USSR State Construction Committee and the Information Index "State Standards of the USSR State Standard. Gosstroi USSR Building Codes Rules SNIP 3.05.06-85 Electrical devices return SNIP III -33-76 *, CH 85-74, CH 102-76 * These rules apply to the production of works in new construction, as well as the renovation, expansion and modernization of existing enterprises installation and commissioning of electrical devices, including: electrical substations, distribution stations and overhead transmission lines with voltage of 750 kV cable line voltage to 220 kV, relay protection, power equipment, indoor and outdoor electric lighting, grounding devices. The rules do not apply to production and acceptance of work on installation and commissioning of electrical equipment underground mines, catenary electrified transport, signaling systems, rail transport, as well as areas of strict regime of nuclear power plants, which must be carried out in accordance with the departmental construction regulations, approved in the manner prescribed SNIP 1.01.01-82. The rules must be respected by all organizations and enterprises involved in the design and construction of new, expansion, reconstruction and modernization of existing enterprises. 1. GENERAL PROVISIONS 1.1. In planning and execution of work on installation and commissioning of electrical devices should comply with the requirements SNIP 3.01.01-85, SNIP III-4-80 state standards, specifications, Regulations for Electrical, approved by USSR Ministry of Energy, and departmental regulations, approved in the manner prescribed SNIP 1.01.01-82. Make Minmontazhspetsstroya Approved by Decree of the USSR USSR State Committee for Construction of 11 December 1985 № 215 Time entry into force 1 July 1986 1.2. works for the installation and commissioning of electrical devices should be in accordance with the working drawings of the main sets of drawings of electrical brands, for documentation of electric drives; for documentation of non-standard equipment, performance of the project organization, documentation of the manufacturing process equipment included with the cabinet the power and control. 1.3. Installation of electrical devices should be based on the application of the hub and the complete-block construction methods, with the installation of equipment, supplied by enlarged nodes are not required when installing editing, cutting, drilling or other operations of fitting and adjusting. On receipt of documentation to the production of works should check the records it demands of industrialization installation of electrical devices, as well as the mechanization of work on the laying of cables, rigging and installation process equipment. 1.4. Electrical work should be carried out, usually in two stages. In the first stage inside of buildings and structures are made works on installation of support structures for the installation of electrical equipment and busbars to cables and wires, mounting trolley for electric overhead cranes, steel erection and plastic pipes for electric wiring, concealed wiring harness to the plastering and finishing, as well as work on installation of external cable networks and earth. of the first stage should be carried out in buildings, combining graphics simultaneously with the production of major construction works, and there should be taken to protect the established structures and laid pipes from damage and pollution. In the second stage of the works for the installation of electrical wiring and cables, busbars and cabling and wiring of electrical equipment to conclusions. In the areas of electrical facilities of the second stage should be performed after completion complex of construction and finishing works and on completion of works on installation of plumbing devices, and in other rooms and areas-after installation of process equipment, motors and other power consumers, mounting technological, sanitary piping and ventilation ducts. For small objects away from the locations electrical organizations, work should be carried out visits of integrated teams with combining the two stages of their performance in a 1.5.. Electrical equipment, materials and products should deliver at the agreed upon with the electrical current organization chart, which should include the supply of primary materials and products included in the specifications for the unit to be production at assembly plants picking wiring organization. 1.6. completion of installation of electrical devices is the completion of individual trials mounted electrical equipment and signing of the working commission of an act of acceptance of electrical equipment after an individual test. The start of individual trials is the time of introduction of electrical operation mode at the present electrical installation, being declared by the customer on the basis of Notice commissioning and wiring organizations. 1.7. At each construction site during the installation of electrical devices should keep a special log output of electrical work in accordance with SNIP 3.01.01-85, and at completion of wiring organization must submit documentation to the general contractor, in by the working committee in accordance with SNIP III -3-81. The list of acts and protocols and test determined by the WPC, approved in the prescribed manner SNIP 1.01.01-82. 2. PREPARING FOR THE PRODUCTION OF ELECTRICAL WORKS 2.1. Installation of electrical devices should be preceded by training in accordance with SNIP 3.01.01-85 and these rules. 2.2. Prior to the commencement of work at the facility must meet the following activities: a) working documents obtained in quantity and in terms defined by the Rules of the contract for capital construction approved by the Council of Ministers of the USSR, and the Regulation on the relationship between the- general contractors with subcontractors, approved by the State Construction Committee of the USSR and the USSR State Planning Committee, and b) agreed delivery schedules for equipment, products and materials, taking into account technological sequence of production operations, a list of electrical equipment, mounted with the assistance of contract supervision staff of suppliers, the conditions of transportation to the place of assembly of heavy and bulky electrical equipment, and c) the necessary facilities to accommodate crews of workers, technical workers, production facilities, as well as for storage of materials and tools to ensure labor safety measures, fire safety and environmental protection in accordance with SNIP 3.01.01-85; d) a draft of works, carried out to familiarize engineers and technical workers and foremen working with documents and cost estimates, organizational and technical decisions of project works; g) carried out an act of acceptance by the construction of the facility for assembly of electrical devices in accordance with the requirements of these rules and performed under the rules and regulations of labor safety measures, fire safety and environmental protection during works; e) the main contractor for general and auxiliary work, the provision on the relationship between the general contractor, with subcontractors. 2.3. Equipment, products, materials and technical documentation must be sent to assembly in accordance with the Rules of the contract for capital construction and the Regulations on the relationship between the general contractor, with subcontractors. 2.4. When accepting the equipment installation is made of his inspection, completeness (without disassembly), checking the availability and terms of the guarantee by the manufacturer. 2.5. The cable drums shall be verified in the presence of a customer through visual inspection. Inspection results are made act. 2.6 On receipt of precast concrete structures of overhead transmission lines (VL) should be checked: the size of the elements, the position of the steel inserts, as well as surface quality and appearance of the elements. The above parameters shall conform to Standard 13015.0-83, 22687.0-85 GOST, GOST 24762-81, GOST 26071-84, GOST 23613-79, and RB, the presence on the surface of concrete structures to be installed in hostile environments, waterproofing, performed on factory. 2.7. Insulators and fittings must comply with relevant state standards and technical regulations. With their acceptance should be tested: the presence of the passport of the manufacturer for each batch of insulators and line fittings, certifying their quality, absence of cracks on the surface of insulators, strain, shells, chips, glaze damage, as well as swinging and turning of steel reinforcement with respect to the cement seal or porcelain ; lack of Linear valve cracks, deformation, and shell damage to galvanizing and carving. Minor damage may be galvanizing paint. 2.8. Elimination of defects and damage found in the transmission of electrical equipment shall be in accordance with the Rules of the contract for capital construction. 2.9. Electrical equipment, which expired on regulatory retention period specified in state standards or specifications, adopted in the assembly only after predmontazhnoy audit, bug fixes and testing. The results of this work shall be entered on forms, passports and other accompanying documents, or should be drawn up in the act of carrying out these works. 2.10. Electrical equipment, materials and products made in the assembly, should be stored in accordance with the requirements of state standards or specifications. 2.11. For large and complex objects with a large volume of cables in tunnels, channels and cable mezzanine, as well as electrical equipment in elektropomescheniyah in the project construction organization should be determined on preemptive action assembly (mounting against the cable networks) of the internal fire line, automatic fire extinguishing and automatic fire signaling provided working drawings. 2.12. In elektropomescheniyah (panel, control rooms, substations and switchgear, machine rooms, storage, cable tunnels and channels, cable mezzanine, etc.) must be met Finishing floors with drainage channels required slope and waterproofing and finishing (plastering and painting ), installed fixtures, and by mounting apertures, mounted under the project and gruzoperemeschayuschie lifting mechanisms and devices have been prepared in accordance with the architectural construction drawings and project work execution blocks pipes, holes and openings for passage of pipes and cables, grooves, niches and nests made supply power for temporary lighting in all rooms. 2.13. The buildings and structures should be put in place systems of heating and ventilation systems, installed and tested bridges, playgrounds and construction of suspended ceilings, under a project for the installation and maintenance of lighting installations located at a height and design of fixing mnogolampovyh fixtures (chandeliers) weighing more than 100 kg, were laid outside and inside buildings under construction working drawings of asbestos cement pipes and fittings, and pipe blocks passage of cables. 2.14. Foundations for electric cars should pass under the assembly with a fully completed construction and decoration, air coolers and installed a duct, with the frame and axial slats (s) in accordance with the requirements of SNIP 3.02.01-83 and these rules. 2.15. On the support (roughing), the basement surface depressions are allowed no more than 10 mm and slopes up to 1:100. Abnormalities in the building size should be no more: the axial dimensions in the plan, plus 30 mm, altitude of the basement surface (excluding the height of the gravy) or minus 30 mm in size in terms of ledges or minus 20 mm, the size of wells, plus 20 mm, according to the marks benches in recesses and wells or minus 20 mm, the axes of anchor bolts in the plan-± 5 mm, the axes embedded anchor devices in the plan-± 10 mm, the upper ends of the markings of anchor bolts-± 20 mm. 2.16. Handover of foundations for installation of electrical equipment, installation of which is produced with the assistance of contract supervision of staff, made jointly with representatives of the organization engaged in contract supervision. 2.17. Upon completion of finishing work in the storage rooms must be made, acid or alkali covering walls, ceilings and floors. assembled and tested system of heating, ventilation, plumbing and sewage systems. 2.18. Prior to the electrical work on the open switchgear voltage of 35 kV and higher construction organization should be completed the construction of access roads, approaches and entrances, installed bus and line portals that built the foundations for electrical equipment, cable channels with floors, fences around the ORU, tanks for emergency relief oil, underground utilities and complete land planning. In designs portals and foundations for equipment to be installed under the project of mortgages and fasteners needed to attach garlands of insulators and hardware. In the cable ducts and tunnels should be installed fixtures for attaching cable designs and air. Must also be completed the construction of water and other fire fighting equipment provided in the project. 2.19. Construction of the switchyard and substations with voltage of 330-750 kV must be taken in mounting their full development, the project provided for the payment period. 2.20. Prior to the electrical work on the construction of overhead transmission lines with voltage up to 1000 V and above must be performed preparatory work in accordance with SNIP 3.01.01-85, including: preparing the inventory facilities in places of accommodation prorabskih sites and temporary database for storing materials and equipment; built temporary access roads, bridges and assembly area; arranged vistas; implemented the projected demolition of buildings and reconstruction of the intersected engineering facilities, located on the highway overhead or close to it and preventing the production of artworks. 2.21. Route for the cable in the ground should be prepared for the beginning of his laying in volume: water pumped from the trench and remove stones, lumps of earth, construction debris, at the bottom of the trench is constructed cushion of loose earth made punctures the soil at the intersections of trails with roads and other engineering facilities, laid the pipe. 2.22. 2.24. 3. 3.2. 3.3. 3.4. 3.5. 3.6. 3.7. 3.9. 3.10. 3.11. 3.12. 3.13. 3.15. 3.17. 3.18. 3.20. 3.21. 3.22. 3.23. 1. 2. 3. 2. 4. 3. 4. 4. 5. 6. 7. 8. 9. 4. 4.2. 4.3. 4.4. 4.5. 4.6. 4.7. 4.9. 4.10. 4.11. 4.12. 4.13. 4.14. 4.15. 4.16. 4.17. 4.18. 4.19. 4.20. 4.21. General Provisions. General specifications GOST 2.702-75 Unified system for design documentation. Rules for making electronic circuits with GOST 2.752-71 Unified system for design documentation. Graphical symbols in diagrams. Robot device GOST 2.755-87 Unified system for design documentation. Graphical symbols in electrical circuits. Device switching and contact connections GOST 2.756-76 * Unified system for design documentation. Graphical symbols in diagrams. Is often perceived electromechanical devices GOST 2.757-81 * Unified system for design documentation. Graphical symbols in diagrams. Elements of the switching field for switching systems GOST 2.758-81 Unified system for design documentation. Graphical symbols in diagrams. Signal Technology GOST 2.762-85 * Unified system for design documentation. Graphical symbols in electrical circuits. Frequencies and frequency bands for transmission systems GOST 2.763-85 * Unified system for design documentation. Graphical symbols in electrical circuits. Device with a pulse-code modulation GOST 2.764-86 Unified system for design documentation. Graphical symbols in electrical circuits. Integrated optoelectronic display elements GOST 2.768-90 Unified system for design documentation. Graphical symbols in diagrams.

Building Regulations Electrical devices SNIP 3.05.06-85 GOSSTROY USSR Moscow 1988 DESIGNED VNIIproektelektromontazhem Minmontazhspetsstroya USSR (VK Dobrynin, I. Long-Leader, Candidate. Tekhn. Sciences VA Antonov, AL pancakes, VV Belotserkovets, VA Demyantsev, PhD. Tekhn. Science NI Korotkov, E. Panteleev, PhD. Tekhn. YA Sciences grew, AS Starostin, AK Shulzhitsky) Orgenergostroem USSR Ministry of Energy (GN Ellenbogen, NV Balanov, NA Voynilovich, AL Potter, N. Lerner) Selenergoproektom USSR Ministry of Energy (GF Sumin Yu Nepomnyashchii) UGPI Tyazhpromelektroproekt Minmontazhspetsstroya USSR (EG Poddubny, A. Koba). ENTERED Minmontazhspetsstroya USSR. PREPARED TO APPROVAL Glavtehnormirovaniem USSR State Construction (BA Sokolov). With the introduction of SNIP 3.05.06-85 "Electrical equipment" are repealed SNIP III-33-76 *, CH 85-74, CH 102-76 *. Agree with Glavgosenergonadzorom USSR Ministry of Energy (letter dated 31 January 1985 . № 17-58), GUPO Ministry of Internal Affairs of the USSR (letter dated 16 September 1985 № 7/6/3262), chief sanitary doctor of the Ministry of Health (letter dated January 14, 1985 № 122-4/336-4). When use of the normative document should take into account the approved changes of building codes and national standards, published in the journal "Bulletin of construction equipment," "Code changes to building regulations" of the USSR State Construction Committee and the Information Index "State Standards of the USSR State Standard. Gosstroi USSR Building Codes Rules SNIP 3.05.06-85 Electrical devices return SNIP III -33-76 *, CH 85-74, CH 102-76 * These rules apply to the production of works in new construction, as well as the renovation, expansion and modernization of existing enterprises installation and commissioning of electrical devices, including: electrical substations, distribution stations and overhead transmission lines with voltage of 750 kV cable line voltage to 220 kV, relay protection, power equipment, indoor and outdoor electric lighting, grounding devices. The rules do not apply to production and acceptance of work on installation and commissioning of electrical equipment underground mines, catenary electrified transport, signaling systems, rail transport, as well as areas of strict regime of nuclear power plants, which must be carried out in accordance with the departmental construction regulations, approved in the manner prescribed SNIP 1.01.01-82. The rules must be respected by all organizations and enterprises involved in the design and construction of new, expansion, reconstruction and modernization of existing enterprises. 1. GENERAL PROVISIONS 1.1. In planning and execution of work on installation and commissioning of electrical devices should comply with the requirements SNIP 3.01.01-85, SNIP III-4-80 state standards, specifications, Regulations for Electrical, approved by USSR Ministry of Energy, and departmental regulations, approved in the manner prescribed SNIP 1.01.01-82. Make Minmontazhspetsstroya Approved by Decree of the USSR USSR State Committee for Construction of 11 December 1985 № 215 Time entry into force 1 July 1986 1.2. works for the installation and commissioning of electrical devices should be in accordance with the working drawings of the main sets of drawings of electrical brands, for documentation of electric drives; for documentation of non-standard equipment, performance of the project organization, documentation of the manufacturing process equipment included with the cabinet the power and control. 1.3. Installation of electrical devices should be based on the application of the hub and the complete-block construction methods, with the installation of equipment, supplied by enlarged nodes are not required when installing editing, cutting, drilling or other operations of fitting and adjusting. On receipt of documentation to the production of works should check the records it demands of industrialization installation of electrical devices, as well as the mechanization of work on the laying of cables, rigging and installation process equipment. 1.4. Electrical work should be carried out, usually in two stages. In the first stage inside of buildings and structures are made works on installation of support structures for the installation of electrical equipment and busbars to cables and wires, mounting trolley for electric overhead cranes, steel erection and plastic pipes for electric wiring, concealed wiring harness to the plastering and finishing, as well as work on installation of external cable networks and earth. of the first stage should be carried out in buildings, combining graphics simultaneously with the production of major construction works, and there should be taken to protect the established structures and laid pipes from damage and pollution. In the second stage of the works for the installation of electrical wiring and cables, busbars and cabling and wiring of electrical equipment to conclusions. In the areas of electrical facilities of the second stage should be performed after completion complex of construction and finishing works and on completion of works on installation of plumbing devices, and in other rooms and areas-after installation of process equipment, motors and other power consumers, mounting technological, sanitary piping and ventilation ducts. For small objects away from the locations electrical organizations, work should be carried out visits of integrated teams with combining the two stages of their performance in a 1.5.. Electrical equipment, materials and products should deliver at the agreed upon with the electrical current organization chart, which should include the supply of primary materials and products included in the specifications for the unit to be production at assembly plants picking wiring organization. 1.6. completion of installation of electrical devices is the completion of individual trials mounted electrical equipment and signing of the working commission of an act of acceptance of electrical equipment after an individual test. The start of individual trials is the time of introduction of electrical operation mode at the present electrical installation, being declared by the customer on the basis of Notice commissioning and wiring organizations. 1.7. At each construction site during the installation of electrical devices should keep a special log output of electrical work in accordance with SNIP 3.01.01-85, and at completion of wiring organization must submit documentation to the general contractor, in by the working committee in accordance with SNIP III -3-81. The list of acts and protocols and test determined by the WPC, approved in the prescribed manner SNIP 1.01.01-82. 2. PREPARING FOR THE PRODUCTION OF ELECTRICAL WORKS 2.1. Installation of electrical devices should be preceded by training in accordance with SNIP 3.01.01-85 and these rules. 2.2. Prior to the commencement of work at the facility must meet the following activities: a) working documents obtained in quantity and in terms defined by the Rules of the contract for capital construction approved by the Council of Ministers of the USSR, and the Regulation on the relationship between the- general contractors with subcontractors, approved by the State Construction Committee of the USSR and the USSR State Planning Committee, and b) agreed delivery schedules for equipment, products and materials, taking into account technological sequence of production operations, a list of electrical equipment, mounted with the assistance of contract supervision staff of suppliers, the conditions of transportation to the place of assembly of heavy and bulky electrical equipment, and c) the necessary facilities to accommodate crews of workers, technical workers, production facilities, as well as for storage of materials and tools to ensure labor safety measures, fire safety and environmental protection in accordance with SNIP 3.01.01-85; d) a draft of works, carried out to familiarize engineers and technical workers and foremen working with documents and cost estimates, organizational and technical decisions of project works; g) carried out an act of acceptance by the construction of the facility for assembly of electrical devices in accordance with the requirements of these rules and performed under the rules and regulations of labor safety measures, fire safety and environmental protection during works; e) the main contractor for general and auxiliary work, the provision on the relationship between the general contractor, with subcontractors. 2.3. Equipment, products, materials and technical documentation must be sent to assembly in accordance with the Rules of the contract for capital construction and the Regulations on the relationship between the general contractor, with subcontractors. 2.4. When accepting the equipment installation is made of his inspection, completeness (without disassembly), checking the availability and terms of the guarantee by the manufacturer. 2.5. The cable drums shall be verified in the presence of a customer through visual inspection. Inspection results are made act. 2.6 On receipt of precast concrete structures of overhead transmission lines (VL) should be checked: the size of the elements, the position of the steel inserts, as well as surface quality and appearance of the elements. The above parameters shall conform to Standard 13015.0-83, 22687.0-85 GOST, GOST 24762-81, GOST 26071-84, GOST 23613-79, and RB, the presence on the surface of concrete structures to be installed in hostile environments, waterproofing, performed on factory. 2.7. Insulators and fittings must comply with relevant state standards and technical regulations. With their acceptance should be tested: the presence of the passport of the manufacturer for each batch of insulators and line fittings, certifying their quality, absence of cracks on the surface of insulators, strain, shells, chips, glaze damage, as well as swinging and turning of steel reinforcement with respect to the cement seal or porcelain ; lack of Linear valve cracks, deformation, and shell damage to galvanizing and carving. Minor damage may be galvanizing paint. 2.8. Elimination of defects and damage found in the transmission of electrical equipment shall be in accordance with the Rules of the contract for capital construction. 2.9. Electrical equipment, which expired on regulatory retention period specified in state standards or specifications, adopted in the assembly only after predmontazhnoy audit, bug fixes and testing. The results of this work shall be entered on forms, passports and other accompanying documents, or should be drawn up in the act of carrying out these works. 2.10. Electrical equipment, materials and products made in the assembly, should be stored in accordance with the requirements of state standards or specifications. 2.11. For large and complex objects with a large volume of cables in tunnels, channels and cable mezzanine, as well as electrical equipment in elektropomescheniyah in the project construction organization should be determined on preemptive action assembly (mounting against the cable networks) of the internal fire line, automatic fire extinguishing and automatic fire signaling provided working drawings. 2.12. In elektropomescheniyah (panel, control rooms, substations and switchgear, machine rooms, storage, cable tunnels and channels, cable mezzanine, etc.) must be met Finishing floors with drainage channels required slope and waterproofing and finishing (plastering and painting ), installed fixtures, and by mounting apertures, mounted under the project and gruzoperemeschayuschie lifting mechanisms and devices have been prepared in accordance with the architectural construction drawings and project work execution blocks pipes, holes and openings for passage of pipes and cables, grooves, niches and nests made supply power for temporary lighting in all rooms. 2.13. The buildings and structures should be put in place systems of heating and ventilation systems, installed and tested bridges, playgrounds and construction of suspended ceilings, under a project for the installation and maintenance of lighting installations located at a height and design of fixing mnogolampovyh fixtures (chandeliers) weighing more than 100 kg, were laid outside and inside buildings under construction working drawings of asbestos cement pipes and fittings, and pipe blocks passage of cables. 2.14. Foundations for electric cars should pass under the assembly with a fully completed construction and decoration, air coolers and installed a duct, with the frame and axial slats (s) in accordance with the requirements of SNIP 3.02.01-83 and these rules. 2.15. On the support (roughing), the basement surface depressions are allowed no more than 10 mm and slopes up to 1:100. Abnormalities in the building size should be no more: the axial dimensions in the plan, plus 30 mm, altitude of the basement surface (excluding the height of the gravy) or minus 30 mm in size in terms of ledges or minus 20 mm, the size of wells, plus 20 mm, according to the marks benches in recesses and wells or minus 20 mm, the axes of anchor bolts in the plan-± 5 mm, the axes embedded anchor devices in the plan-± 10 mm, the upper ends of the markings of anchor bolts-± 20 mm. 2.16. Handover of foundations for installation of electrical equipment, installation of which is produced with the assistance of contract supervision of staff, made jointly with representatives of the organization engaged in contract supervision. 2.17. Upon completion of finishing work in the storage rooms must be made, acid or alkali covering walls, ceilings and floors. assembled and tested system of heating, ventilation, plumbing and sewage systems. 2.18. Prior to the electrical work on the open switchgear voltage of 35 kV and higher construction organization should be completed the construction of access roads, approaches and entrances, installed bus and line portals that built the foundations for electrical equipment, cable channels with floors, fences around the ORU, tanks for emergency relief oil, underground utilities and complete land planning. In designs portals and foundations for equipment to be installed under the project of mortgages and fasteners needed to attach garlands of insulators and hardware. In the cable ducts and tunnels should be installed fixtures for attaching cable designs and air. Must also be completed the construction of water and other fire fighting equipment provided in the project. 2.19. Construction of the switchyard and substations with voltage of 330-750 kV must be taken in mounting their full development, the project provided for the payment period. 2.20. Prior to the electrical work on the construction of overhead transmission lines with voltage up to 1000 V and above must be performed preparatory work in accordance with SNIP 3.01.01-85, including: preparing the inventory facilities in places of accommodation prorabskih sites and temporary database for storing materials and equipment; built temporary access roads, bridges and assembly area; arranged vistas; implemented the projected demolition of buildings and reconstruction of the intersected engineering facilities, located on the highway overhead or close to it and preventing the production of artworks. 2.21. Route for the cable in the ground should be prepared for the beginning of his laying in volume: water pumped from the trench and remove stones, lumps of earth, construction debris, at the bottom of the trench is constructed cushion of loose earth made punctures the soil at the intersections of trails with roads and other engineering facilities, laid the pipe. After laying of cables in the trench and the submission of wiring organization act on the hidden work of laying cables trench should be asleep. 2.22. Trails block sanitation for the laying of cables should be prepared with the following requirements: sustained project depth of laying the blocks of planning notes, ensure the proper installation and sealing of joints of concrete blocks and pipes, ensure the cleanliness and alignment of channels made double cover (lower with constipation) hatches wells , metal stairs, or staples for the descent into the pit. 2.23. In the construction of flyovers for laying cables for their supporting structures (towers) and the spans are to be performed under the project Fittings for cable reels, bypass devices and other devices. 2.24. Prime contractor must submit for acceptance by the construction assembly of readiness in homes, posektsionno, public buildings, every floor (or on the premises). Concrete, gypsum concrete, lightweight aggregate slabs, interior wall panels and partitions, concrete columns and girders prefabricated must have channels (pipes) for wiring, niche socket fixtures to install outlets, switches, bells and bell buttons in accordance with working drawings. Flow areas of channels and zamonolichennyh nonmetallic pipe shall not deviate by more than 15% from those in the working drawings. Offset slots and niches in the field of interfaces adjacent building structures shall not exceed 40 mm. 2.25. The buildings and structures that must be submitted for installation of electrical, general contractor should be performed under architectural construction drawings holes, grooves, niches and nests in foundations, walls, partitions, ceilings and coatings required for the installation of electrical and wiring accessories, piping for electrical and electrical networks. Indicated holes, grooves, niches and slots are not left in the building construction under construction, contractor performed in accordance with the architectural and construction drawings. Holes with a diameter of less than 30 mm, not giving into the design drawings and which can not be provided in structures under the terms of their production technology (holes in walls, partitions, ceilings, only to install dowels, bolts and pins of various supporting-supporting structure) must wiring run organization at the worksite. After doing electrical work contractor is obligated to make the sealing of openings, grooves, recesses and cavities. 2.26. When accepting the foundations for transformers should be tested the presence and correct installation of the anchors for attaching the traction device at perekatke transformers and foundations under the jacks to turn wheels. 3. PRODUCTION OF ELECTRICAL WORK GENERAL REQUIREMENTS 3.1. When loading, unloading, moving, lifting and installation of electrical equipment should be taken to protect it from damage, while electrical equipment must be securely tyazhelovesnoe sling for provided for this purpose, details, or at the locations specified by the manufacturer. 3.2. Electrical equipment for installation and dismantling of the audit is not subject, except when provided by government and industry standards or specifications agreed upon in due course. Disassembly of equipment, received the sealing with the manufacturer, is prohibited. 3.3. Electrical and cable products deformed or damaged protective coating installation shall not be subject to the elimination of damage and defects in the prescribed manner. 3.4. In the production of electrical work should be applied normokomplekty special tools by type of electrical work, as well as mechanisms and devices designed for this purpose. 3.5. As the supporting structures and fasteners to install trolley, bus ducts, trays, boxes, hinged flaps and control centers, protective-starting equipment and fixtures should be used prefabricated products, which have increased the willingness assembly (with protective cover adapted for bonding without welding and do not require large labor for machining). Mounting supporting structure should be performed by welding to the fixtures provided for in the building elements, or fasteners (plugs, pins, studs, etc.). Method of attachment must be specified in working drawings. 3.6. Color Coding busbar switchgear, trolley, bus grounding wires overhead should be carried out in accordance with the instructions given in the project. 3.7. When producing work Electrical organization must meet the requirements of GOST 12.1.004-76 and fire regulations during construction and installation works. The introduction of on-site operating conditions to ensure fire safety is the responsibility of the customer. CONTACT CONNECTIONS 3.8. Collapsible accession tires and lived wires and cables to the terminals of electrical equipment, wiring accessories and busbar must meet the requirements of GOST 10434-82. 3.9. In places accession lived wires and cables should include supply wire or cable, providing an opportunity rejoins. 3.10. Joints and junctions should be available for inspection and repair. Isolation of compounds and branches should be equivalent to core insulation of connected wires and cables. In the joints and tapping wires and cables should have no mechanical forces. 3.11. End seals cable conductor with paper soaked insulation should be compacted to perform current-carrying armature (tips), not stack leak cable impregnating composition. 3.12. Connection and branch buses should be followed as a rule, if sealed (by welding). Where required gasketed joints, compound tires should be made with bolts or szhimnymi plates. The number of collapsible joints should be minimal. 3.13. Wire connections to the overhead line voltage of 20 kV should be done: a) a hinged support anchor-angle type: clip-anchor and junction wedge; connecting oval, mounted by compression; loop custom spot, with thermite rounds, and wires of various grades and cross-hardware compressible clips, and b) in the span: connecting oval clamps mounted by twisting. Single-wire conductor is allowed to connect by twisting. Single-wire butt welding wires are not allowed. 3.14. Wiring overhead line voltage above 20 kV is necessary to perform: a) in the plumes support anchor-angle type: steel reinforced aluminum conductors 240 mm2 and above, with thermite bullets and crimping with explosive energy, steel reinforced aluminum conductors 500 mm2 and above, with the help of the pressed connectors, cables of different brands-bolt clamps, wires made of aluminum alloy-clamp loop fasteners or custom spot oval, mounted by compression, and b) in the span: steel reinforced aluminum conductors up to 185 mm2 and a section of wire rope up to 50 mm2 oval connectors mounted by twisting ; steel ropes section 70-95 mm2 oval connectors mounted by compression or Compression with more thermite welding ends, steel reinforced aluminum conductors 240-400 mm2 connecting terminals, mounted by the continuous Compression and Compression with explosive energy, steel reinforced aluminum conductors 500 mm2 and over-the connecting terminals, mounted by the continuous Compression. 3.15. Compound copper and stalemednyh ropes section 35-120 mm2, as well as aluminum conductors 120-185 mm2, mounting contact networks should perform oval connectors, wire rope clips, with a connecting strap between them. Stalemednye ropes section 50-95 mm2 allowed butt wedge socket with a connection plate between them. WIRING General requirements 3.16. The provisions of this subsection apply to the wiring is power, lighting and auxiliary circuits with voltage up to 1000 V AC / DC, laid inside and outside of buildings insulated wires installation of all sections and non-armored cables with rubber or plastic insulated wires up to 16 mm2. 3.17. Installation of control cables should comply with the requirements of Secs. 3.56-3.106. 3.18. Passages unarmored cables, protected and unprotected wires through the fire-proof walls (walls) and floor ceiling must be done in segments of pipes or conduits, or apertures, and a flammable-in pieces of steel pipes. Openings in walls and ceilings must have a frame, precluding their destruction during the operation. In places the passage of wires and cables through walls, floors or exit out to be to plug the gaps between the wires, cables and pipes (ducts, opening) can be easily removed from the mass of combustible material. Sealing should be carried out on each side of the pipe (duct, etc.). When laying nonmetallic pipe sealing places they pass through fire barriers should be made of incombustible materials immediately after the laying of cables or wires in the pipe. Closing the gaps between the tubes (ducts, opening) and building construction (see paragraph 2.25), as well as between the wires and cables placed in tubes (boxes, frames), is easily removed from the mass of combustible material must provide fire resistance, fire resistance appropriate building design . Wiring and cables in trays and boxes 3.19. Design and degree of protection of trays and baskets, as well as a way to strip the wires and cables in trays and boxes (loose, beams, laminated, etc.) must be specified in the project. 3.20. Way to install boxes should not allow the accumulation of moisture. Used boxes for electrical wiring must be open, usually removable or opening the lid. 3.21. When hidden pads should be used boxes blank. 3.22. Wires and cables installed in ducts and trays shall be marked at the beginning and end of the trays and baskets, as well as in places of their connection to electrical equipment and cables, in addition, also turns on the road and branches. 3.23. Fixing exposed wiring and cables with metal shell with metal staples or cable ties should be made with strips of elastic insulating material. Wiring for isolating supports 3.24. When laying on insulating supports the connection or branch wiring should be done directly with the insulator klitsy, roller or on them. 3.25. The distance between attachment points along the route, and between the axes parallel to the paved exposed insulated wires on insulating supports shall be specified in the project. 3.26. Hooks and brackets with insulators shall be fixed only in the main wall materials, and commercials and klitsy for cross sections up to 4 mm2, incl. can be mounted on plaster or wood cladding of buildings. Insulators on the hooks must be secured. 3.27. When attaching clips capercaillie grouse under the head should be planted metal and elastic washers, and when mounting the rollers on the metal under their bases should be planted elastic washers. Laying of cables and wires on the steel rope 3.28. Wires and cables (PVC, nayritovoy, lead or aluminum sheath with rubber or PVC insulation) must attach to the supporting steel rope or wire or cable ties klitsami, shall be located no more than 0,5 m apart. 3.29. Cables and wires laid on the ropes in the places they go with the rope on the design of buildings should be discharged from the mechanical forces. Vertical suspension wire rope on a steel should be placed, usually in places installed junction boxes, plug sockets, lamps, etc. The sag of the rope in the span between the attachments should be in the range 1/40-1/60 span length. Splice in the span between the end anchorages are not allowed. 3.30. To prevent rocking lighting electric wiring on the wire rope must be installed extensions. The number of extensions should be defined in the working drawings. 3.31. To tap on the specific cable wires must use special boxes to ensure the creation of a loop cable, as well as live stock necessary to connect the feeder by gripping junction without cutting the line. Lining installation of wires in the building grounds and inside the main building structures 3.32. Overt and covert strip installation of wires is not allowed at temperatures below minus 15 ° C. 3.33. When wiring hidden under plaster or in thin (80 mm) baffles the wires should be run in parallel architecture and construction lines. Distance horizontal distance from the wire floor slabs should not exceed 150 mm. In the structures of a thickness exceeding 80 mm wires must be routed along the shortest routes. 3.34. All connections and branch wiring installation must be performed by welding, crimping a sleeve or by means of clips in the junction box. Metal junction boxes in the input field in which the wires must have a sleeve of insulating material. Allowed instead of bushings used pieces of PVC pipe. In dry conditions allowed to place the branch wiring in the nests and niches of the walls and ceilings, and floors in the voids. Wall sockets and recesses should be smooth, branching of wires arranged in nests and niches shall be covered with lids of combustible material. 3.35. Fixing flat wire in a hidden strip must ensure snug fit them to the building grounds. The distances between the points of attachment must be: a) when laying on the horizontal and vertical sections render over bundles of wires, no more than 0,5 m single wire-0, 9 m, and b) for wire coating, dry plaster, up to 1,2 m . 3.36. Device plinth wiring must provide separate power and low-laying wires. 3.37. Fixing skirting must ensure its tight fit in the building grounds, and the breakout force shall be not less than 190 N, and the gap between the skirting board, wall and floor-no more than 2 mm. Skirting boards should be run from non-combustible and nonflammable materials with insulating properties. 3.38. In accordance with GOST 12504-80, GOST 12767-80 and GOST 9574-80 in the panels must be provided for internal channels or zamonolichennye plastic pipes and Fittings for hidden removable wiring, sockets and mounting holes raspaechnyh boxes, switches and sockets. Holes used for wiring accessories, and broaching niche in the wall panels adjacent apartments should not be through. If the terms of manufacturing technology holes is not possible to perform dead-end, then they should be laid insulating gaskets vinipora or other non-flammable soundproofing material. 3.39. Installation of pipes and boxes in a reinforcement cage should be performed on the conductor on the working drawings, determining the attachment mounting, junction boxes and ceiling. To ensure the location of boxes after molding flush with the surface of the panels should be fastened to the reinforcement cage in such a way as to block the installation of boxes block height corresponded to the thickness of the panel, in separate boxes installed to prevent their displacement inside the panel front surface of the boxes must be out of the plane reinforcement cage 30-35 mm. 3.40. Channels should be all over to have a smooth surface without incrustations, and acute angles. The thickness of the protective layer over the channel (pipe) must be at least 10 mm. The length of the channel between the lingering bays or boxes should be no more than 8 meters wiring and cables in steel pipes 3.41. Steel pipes may be used for electrical only in special cases justified the project in accordance with regulations approved in the manner prescribed SNIP 1.01.01-82. 3.42. Used for electrical steel pipe should have an inner surface which prevents damage to the insulation of wires when tightening the pipe and corrosion-resistant coating outer surface. 1. 2. 3. 2. 4. 3. 4. 4. 5. 6. 7. 8. 9. 4. 4.2. 4.3. 4.4. 4.5. 4.6. 4.7. 4.8. 4.9. 4.10. 4.11. 4.12. 4.13. 4.14. 4.15. 4.16. 4.17. 4.18. 4.19. 4.20. 4.21. 4.22. General Provisions. General specifications GOST 2.702-75 Unified system for design documentation. Rules for making electronic circuits with GOST 2.752-71 Unified system for design documentation. Graphical symbols in diagrams. Robot device GOST 2.755-87 Unified system for design documentation. Graphical symbols in electrical circuits. Device switching and contact connections GOST 2.756-76 * Unified system for design documentation. Graphical symbols in diagrams. Is often perceived electromechanical devices GOST 2.757-81 * Unified system for design documentation. Graphical symbols in diagrams. Elements of the switching field for switching systems GOST 2.758-81 Unified system for design documentation. Graphical symbols in diagrams. Signal Technology GOST 2.762-85 * Unified system for design documentation. Graphical symbols in electrical circuits. Frequencies and frequency bands for transmission systems GOST 2.763-85 * Unified system for design documentation. Graphical symbols in electrical circuits. Device with a pulse-code modulation GOST 2.764-86 Unified system for design documentation. Graphical symbols in electrical circuits. Integrated optoelectronic display elements GOST 2.768-90 Unified system for design documentation. Graphical symbols in diagrams.