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Detailed construction scheme of electric heat tracing insulation project This project is the electrical heat tracing and rubber and plastic insulation project for the fire pipeline and water supply and drainage pipeline of the new station building of Beijing South Railway Station, with insulation thickness of 50mm. 1. The automatic spraying main pipe from the equipment room in Zone III to F1 and F2, the automatic spraying main pipe from the underground in Zone II to the ground floor (VIP hall, 9m elevated), and the pressure stabilizing pipe of the fire water tank must be insulated with electric heat tracing and rubber and plastic insulation. -
Concrete construction at low temperature in winter When the outdoor daily average temperature is lower than 5 ℃ for 5 consecutive days or the minimum temperature is stable below - 3 ℃ for 5 consecutive days, the concrete construction is called winter construction. -
Analysis of winter construction measures This information is about the analysis of winter construction measures. It contains complete and detailed contents, which can be downloaded by designers for reference. -
Construction arrangement in winter and rainy season This material is Chapter VI Construction Arrangement in Winter and Rainy Season. It contains complete and detailed contents, which can be downloaded by designers for reference. -
Construction design of a building (steel plastic composite pipe) electric heat tracing 5.16.1 System overview 5.16.1.1 Power supply system The fire hydrant pump, spray pump, smoke exhaust fan, pressurized air blower, stabilized pressure water pump, fire elevator, presidential suite of the building, and public lighting are Class I loads. Domestic water pump, elevator, escalator and underground lighting are Class II loads. The rest are three types of loads. The power supply is approved by Beijing Power Supply Bureau -
Winter construction measures for beam yard works Winter construction measures for beam yard works -
Key points for coating construction in winter Precautions for coating construction in winter -
Key points of construction safety supervision in winter The procedures and principles for handling construction quality accidents Lin Xiuying (Construction Project Quality Supervision Station 351111, Hanjiang District, Putian City, Fujian Province) [Abstract] Combined with the experience of handling quality accidents in the process of construction quality supervision for many years, the basic procedures and principles for handling construction quality accidents are proposed. [Key words] Accident investigation, handling principles and procedures -
Guarantee measures for road and bridge construction in winter Assurance measures for highway construction in winter and rainy season in Shaanxi include safety, quality, technology, etc -
Application and construction of self temperature limiting electric tracing band This paper introduces the working principle of the self limiting electric tracing band, analyzes on the application scope and characteristics of the electric tracing band, and sums up the construction methods and matters needing attention of the self limiting electric tracing band heat preservation and antifreeze system in the station buildings in severe cold areas, which will be more and more fully applied. -
Winter construction of a high-rise building in North China Stair structural form Beam slab stair ramp structural form Cantilever type, construction joint connected with main structure, reserved basement exterior wall and foundation beam horizontal construction joint 400mm above the foundation bottom plate surface, exterior wall of ground structure on the plate surface -
Safety technical disclosure of winter construction This document is the safety technical disclosure of winter construction. The document includes: before the commencement of each project, safety disclosure shall be carried out at the same time as technical disclosure, and disclosure of key parts shall be carried out. Safety helmets must be worn when entering the construction site, and the headband must be buckled properly to use labor protection articles. All electric welders, gas welders, crane drivers and on-site truck drivers who participate in on-site construction must -
Winter construction safety education and training In winter, the climate is dry and cold, accompanied by strong wind. Affected by the cold current in the north, the working surface and roads are frozen and slippery, which not only affects the normal production, but also brings hidden dangers to safety; At the same time, fire and poisoning accidents are easy to occur due to construction needs, heating of office dormitories, use of open fire and other reasons; In winter, people's clothes are heavy and their movements are not sensitive, so accidents are easy to happen. Therefore -
Preparations for winter construction ? 1. When the average temperature of the construction site in the day and night (the average value of the outdoor temperature measured at 6:00, 14:00 and 21:00 every day) is lower than+5 ℃ or the minimum temperature is lower than - 3 ℃, the concrete works shall be handled as winter construction. 2. In order to ensure the construction quality of the project, the construction shall be carried out in strict accordance with the winter construction requirements from December 20 to March 10 of the next year. 3. Prior to commencement, contact with local meteorological department -
Calculation program for electric heat tracing of pipeline Excel table calculation table, very easy to use!!! It includes the following contents: electric tracing demand calculation table, calculation principle: 1) When there is no heat source, the radial one-dimensional heat conduction formula is as follows -
Construction organization arrangement in winter and rainy season Arrange the plan during the rainy season. According to the situation of the construction site, priority shall be given to the construction of sections prone to mud boiling due to rain. For poor sections with rich underground water and low-lying terrain, priority should be given to construction. At the same time, manpower and machines should be concentrated to complete one section and then another section. Large excavation and filling along the whole line should be avoided. -
Measures for winter construction of pile foundation works This document is the winter construction measures for pile foundation engineering, including the basis for preparation, project overview, construction scheme, etc., with accurate design and detailed content, which can be downloaded for reference by netizens. -
Special training for winter construction safety This document is a special training for winter construction safety, including: content summary: windproof (1) The windward side of the formwork frame in severe winter should be equipped with three proof cloth. When erecting the formwork frame, the three proof cloth skeleton should be laid in advance, and the three proof cloth should be placed on the skeleton. It is strictly prohibited to place the three proof cloth on the external frame. (2) After the gale, the scaffold and construction site shall be strictly checked in time, -
Concrete test training for winter construction This document is the training of concrete test for winter construction, including: content summary: the project technical team shall issue the notice of entering winter construction and the notice of terminating winter construction according to the temperature measurement record. The notice shall be sent to all subcontractors and commercial concrete suppliers. To prevent soil from freezing, the excavated earthwork must be protected from freezing at the bottom of the foundation trench, or the foundation and other facilities of adjacent buildings, which cannot be timely frozen -
Special scheme for winter construction safety Special scheme for winter construction safety. doc, which is detailed and rich, can be downloaded by netizens. According to the provisions of the "Specification for Winter Construction of Building Engineering" (GJG104-97), the winter construction starts when the outdoor daily average temperature is steadily lower than 5 ℃ for five consecutive days; When the outdoor daily average temperature is higher than 5 ℃ for 5 consecutive days, winter construction will be terminated. in consideration of -
Several problems of concrete construction in winter Several problems of concrete construction in winter -
Analysis of concrete construction measures in winter The Yongding River Tidal Sluice Project is located at the estuary of Yongdingxin River in Tianjin, which is mainly to keep away from the sea sand and the estuary, so as to prevent it from silting up the river channel on the sluice. -
Safety and quality disclosure of winter construction Winter is coming. In order to ensure the quality of our construction projects in winter, this safety measure is specially formulated, and the national technical and economic policies are carefully implemented to make the construction projects technologically advanced, economically reasonable, safe and applicable, and ensure the quality. -
On Winter Construction of Stadium Project The so-called winter construction is determined according to the historical meteorological data. The construction period of the project is in autumn and winter. The specific date of concrete winter construction is the initial date when the average temperature of the day is steadily lower than 5 ℃ for 5 consecutive days to the end date when the spring temperature of the next year is steadily higher than 5 ℃ for 5 consecutive days. -
Winter construction scheme of an industrial workshop Characteristics of concrete in winter: setting time: at 0 ℃~4 ℃, it is 3 times longer than 15 ℃; when the temperature drops to 0.3~0.5 ℃, the reaction stops after the concrete starts to freeze; at - 10 ℃, the hydration reaction stops completely, the concrete strength does not increase, the volume of water frost heaving in the concrete increases by 9%, the hardened concrete structure is damaged, and freezing damage occurs. -
Winter Construction Scheme of Mu Sui Railway Chapter I, Chapter II of General Provisions, Chapter III of Project Overview, Chapter IV of Overall Planning, Chapter V of Winter Construction Preparation, Chapter VI of Winter Construction Measures, Chapter VII of Winter Construction Safety Measures, and Winter Construction Schedule Assurance Measures -
Winter construction scheme of subgrade works Winter construction scheme of subgrade works -
Winter construction scheme of culvert works Winter construction scheme of culvert works -
Winter construction measures for bridges and culverts in 2009 Winter construction refers to the construction of reinforced concrete works when the outdoor daily average temperature is steadily lower than 5 ℃ for five consecutive days according to the local temperature data for many years. According to the requirements of the third phase opening plan formulated by the preparation department, in order to ensure the completion of the construction plan, our project department adopts winter construction for the prefabricated T-beams and other projects in this bid section, and adopts different heating and thermal insulation materials and other technical measures to ensure the coagulation -
Technical quality measures for winter construction 1、 Subject: Preparation for winter construction, main technical quality control of winter construction, common quality problems and preventive measures of concrete in winter construction II. Preparation for winter construction (I) Technical preparation 1. The formulation of construction technical scheme (measures) must be based on ensuring construction quality and production safety, with certain technical reliability and economic rationality -
Technical Scheme for Winter Construction of Beam Yard According to the relevant provisions of the Technical Guide for Construction of Railway Bridges and Culverts on Passenger Dedicated Lines and the Technical Code for Construction of Railway Bridges and Culverts, when the average temperature in the day and night is lower than 5 ℃ for three consecutive days or the lowest temperature is lower than - 3 ℃, the construction of concrete, reinforced concrete, prestressed concrete and other works shall be treated as winter construction, and winter construction measures shall be taken. How to solve the key problem of concrete construction in winter -
Technical requirements for winter construction of rural houses It is practical to introduce the technical requirements for winter construction of rural houses! -
Winter construction scheme of Wenyuan Expressway Winter construction scheme of Wenyuan Expressway -
Study on concrete construction method in winter In the north and northwest of China, the temperature is cold in winter. Due to the construction period, concrete construction in winter is inevitable. This paper discusses the characteristics of concrete construction in winter, the influence of negative temperature on concrete and the common methods of concrete construction in winter. -
Retention method of temperature measuring hole in winter construction The temperature measuring hole of cast-in-place concrete beam slab shall be inserted vertically for retention. One beam temperature measuring hole shall be set every 3m long, and at least two shall be set for each span. The hole depth is 1/3 of the height of the poured concrete beam. -
Winter construction scheme of a residential building When the outdoor daily average temperature is stable below 5 ℃ for five consecutive days, winter construction measures shall be taken for the concrete structure works, covered with straw mats and sacks, and anti freezing measures for sudden temperature drop shall be taken in time. -
Winter construction scheme of bridge and road Winter construction scheme of bridge and road Winter construction scheme of bridge and road Winter construction scheme of bridge and road Winter construction scheme of bridge and road Winter construction scheme of bridge and road
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one Electric heat tracing insulation construction method -
two Type selection design of fire electric heat tracing -
three Construction Scheme of Tunnel Electric Tracing -
four Electric heat tracing insulation construction scheme -
five Construction scheme of thermal insulation and electric heat tracing -
six Fire fighting electric heat tracing scheme design -
seven Construction scheme of electric heat tracing works -
eight Code for design of electric heat tracing for fire protection