CN109432662B - Fire-fighting water system for super high-rise building construction stage and construction method thereof - Google Patents
Fire-fighting water system for super high-rise building construction stage and construction method thereof Download PDFInfo
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- CN109432662B CN109432662B CN201811418003.1A CN201811418003A CN109432662B CN 109432662 B CN109432662 B CN 109432662B CN 201811418003 A CN201811418003 A CN 201811418003A CN 109432662 B CN109432662 B CN 109432662B
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- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C31/00—Delivery of fire-extinguishing material
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- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C35/00—Permanently-installed equipment
- A62C35/20—Hydrants, e.g. wall-hoses, wall units, plug-in cabinets
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
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Abstract
The invention relates to the technical field of fire fighting systems in building construction stages, and discloses a fire fighting water system and a construction method for an ultra-high-rise building construction stage. The invention comprises a formal fire-fighting water-conveying tank, a temporary fire-fighting water supply pipe network and a temporary fire hydrant connected with a water outlet of the temporary fire-fighting water supply pipe network; the upper and lower adjacent fire-fighting transfer water tanks are communicated through transfer pipelines, temporary transfer pumps are arranged on the transfer pipelines, and each fire-fighting transfer water tank is communicated with a temporary fire-fighting water supply pipe network between the fire-fighting transfer water tank and the adjacent lower fire-fighting transfer water tank through a temporary water supply pipeline; the water outlet of the fire-fighting water-conveying tank positioned at the uppermost layer in the construction process is respectively communicated with a construction water pipeline and a formal fire-fighting water supply pipeline; the temporary fire-fighting water supply pipe network comprises a first fire-fighting water supply vertical pipe and a fire-fighting water supply ring pipe for formal fire-fighting. The invention adopts a part of formal fire water system, has small disassembly workload and low construction cost.
Description
Technical Field
The invention relates to the technical field of fire fighting systems in building construction stages, in particular to a fire fighting water system for an ultra-high-rise building construction stage and a construction method thereof.
Background
In the process of construction of the super high-rise building, due to the exposure of construction materials, splashing of electric welding sparks and the like, great potential safety hazards exist, a fire-fighting water system needs to be set in time, but in the process of construction of the building, the formal fire-fighting water system of the building is not installed, cannot be put into use formally, and therefore, a temporary fire-fighting water system needs to be set.
The temporary fire-fighting water system used in the existing construction process is a pure temporary fire-fighting water system, the fire-fighting water system and the building formal fire-fighting water system are two sets of systems which are independent relatively, after the building construction is completed and the formal fire-fighting water system construction is completed, the temporary fire-fighting water system can be dismantled, but the construction cost generated by the construction mode is high, the occupied space of the temporary fire-fighting water system is large, the follow-up pipeline and the electromechanical arrangement and construction can be greatly influenced, and the temporary fire-fighting water system is large in dismantling difficulty, large in workload, more in closing-up, time-consuming and labor-consuming.
Disclosure of Invention
The invention provides a fire-fighting water system for the super high-rise building construction stage and a construction method thereof, wherein the fire-fighting water system is partially formally used, the disassembly workload is small, the construction cost is low, and the construction efficiency is high.
The technical problems to be solved are as follows: the existing temporary fire water systems are all pure temporary fire water systems, are two sets of systems which are relatively independent from the fire water systems of the building, and finally can be dismantled, so that the dismantling difficulty is high, the workload is high, the closing is more, and the time and the labor are wasted; the construction cost is high, the occupied space is large, and the subsequent pipeline and the electromechanical arrangement and construction can be greatly influenced.
In order to solve the technical problems, the invention adopts the following technical scheme:
the invention relates to a fire-fighting water system used in the construction stage of super high-rise buildings, which comprises a fire-fighting water conveying tank for formal use of the building, a temporary fire-fighting water supply pipe network and a temporary fire hydrant connected with a water outlet of the temporary fire-fighting water supply pipe network;
the water inlet of the fire-fighting transmission water tank at the bottommost layer is communicated with a municipal water supply pipeline, the fire-fighting transmission water tanks adjacent to each other up and down are communicated through transmission pipelines, a temporary transmission pump is arranged on each transmission pipeline, and each fire-fighting transmission water tank is communicated with a temporary fire-fighting water supply pipe network between the fire-fighting transmission water tank and the fire-fighting transmission water tank adjacent to the lower part through a temporary water supply pipeline;
the water outlet of the fire-fighting water transmission tank positioned at the uppermost layer in the construction process is communicated with a construction water pipeline, and a construction water pump is arranged on the construction water pipeline;
the water outlet of the fire-fighting water-conveying tank positioned at the uppermost layer is communicated with a temporary fire-fighting water-feeding pipe network which is not lower than the position of the fire-fighting water-conveying tank through a formal fire-fighting water-feeding pipe, and a temporary fire-fighting pump set is arranged on the formal fire-fighting water-feeding pipe;
the temporary fire water supply pipe network comprises a first fire water supply vertical pipe and a fire water supply ring pipe for formal fire control, and a temporary fire hydrant is arranged on the first fire water supply vertical pipe.
The fire-fighting water system is used for the construction stage of the super high-rise building, and further, the upper and lower intervals of the fire-fighting transmission water tank are 100-140m.
The invention is used for the fire-fighting water system in the super high-rise building construction stage, and further, the lift of the temporary transfer pump is higher than that of the formal fire-fighting transfer pump.
The fire-fighting water system for the super high-rise building construction stage is further characterized in that the temporary fire-fighting pump set comprises a temporary fire-fighting pump, a flowmeter and a pressure gauge which are sequentially connected in series along the water flow direction.
The fire-fighting water system is used for the super high-rise building construction stage, and further, the formal fire-fighting water supply pipeline is also provided with a pressure stabilizing device, and the pressure stabilizing device is arranged in parallel with the temporary fire-fighting pump set.
The invention is used for the fire-fighting water system in the super high-rise building construction stage, and further, the number of the first fire-fighting water supply risers is 20-40% of the total number of the water supply risers of the formal fire-fighting system.
The invention is used for a fire-fighting water system in the super high-rise building construction stage, and further, a pressure reducing valve group is arranged in the temporary fire-fighting water supply pipe network.
The invention discloses a construction method of a fire-fighting water system for super high-rise building construction stage, which comprises the following steps:
step one, constructing a formal pump house and a formal fire-fighting transmission water tank at the bottommost layer of a building, and arranging a temporary transmission pump to communicate the bottommost layer fire-fighting transmission water tank with a municipal water supply pipeline;
step two, along with the progress of the construction of the structure, according to the division of fireproof subareas, a first fire-fighting water supply riser and a temporary fire hydrant are sequentially installed, the first fire-fighting water supply riser is communicated with a fire-fighting transmission water tank through a temporary fire-fighting pump set, and the temporary fire hydrant can be normally used to ensure the safety of fire on site;
step three, arranging fire-fighting water supply ring pipes, and communicating first fire-fighting water supply risers of each fireproof partition to form a closed pipe network;
step four, the fire-fighting water transfer tank is respectively communicated with a construction water pipeline and a formal fire-fighting water supply pipeline, so that normal construction water and temporary fire-fighting water are ensured;
step five, repeating the step two to the step four according to the design requirement of the fire extinguishing system, and constructing a formal pump house, a fire-fighting transfer water tank, a temporary fire-fighting water supply pipe network and a temporary fire hydrant which are adjacent to each other above;
step six, communicating the fire-fighting transfer water tanks adjacent to each other up and down through transfer pipelines, and after ensuring that the fire-fighting transfer water tanks in a high area have water supply conditions, converting a temporary fire-fighting water supply pipe network below the position of the fire-fighting transfer water tanks in the high area into normal high-pressure water supply, wherein the position of the fire-fighting transfer water tanks and a construction area in the high area adopt temporary high-pressure water supply;
step seven, after the construction of all pump rooms and fire-fighting transmission water tanks in the building is completed, arranging a high-area fire-fighting water tank and fire-fighting decompression water tanks in all areas, communicating the fire-fighting transmission water tank at the uppermost layer with the high-area fire-fighting water tank, communicating the high-area fire-fighting water tank with the fire-fighting decompression water tank, dismantling a temporary water supply pipeline, connecting the fire-fighting decompression water tank with the temporary fire-fighting water supply pipe network by adopting a formal fire-fighting communication pipeline, and directly supplying water to the temporary fire hydrant by the fire-fighting decompression water tank;
step eight, gradually replacing all temporary transfer pumps with formal fire-fighting transfer pumps;
step nine, after entering the electromechanical decoration stage, installing the rest fire-fighting water supply vertical pipes layer by layer according to the fireproof partition, and connecting the fire-fighting water supply vertical pipes into the temporary fire-fighting water supply pipe network to gradually form a formal fire-fighting pipe network;
step ten, gradually replacing all temporary fire hydrants into formal fire hydrants, and connecting the formal fire hydrants into a newly installed fire water supply riser to form a formal fire water system;
and step eleven, constructing a fire-fighting pressure stabilizing water tank on the top layer of the building and communicating the fire-fighting pressure stabilizing water tank with a formal fire-fighting pipe network.
The construction method of the invention further comprises the step four of arranging a pressure reducing valve and a pressure reducing and stabilizing temporary fire hydrant at the overpressure part, wherein the position of the fire control transmission water tank at the bottom layer and the construction area of the high-rise area adopt temporary high-pressure water supply.
In the construction system, before the fire-fighting water-conveying tank in the high area has water supply condition, the temporary fire-fighting water-conveying tank in the adjacent low area is used for temporarily supplying high-pressure water to the temporary fire-fighting water-conveying pipe network in the high-area construction area and the pressure-reducing valve and the pressure-reducing and pressure-stabilizing temporary fire hydrant are arranged in the overpressure part.
Compared with the prior art, the fire-fighting water system for the super high-rise building construction stage and the construction method thereof have the following beneficial effects:
the fire-fighting water system for the super high-rise building construction stage is in a mode of combining a temporary system with a permanent system, a part of permanent fire-fighting system structure is used as a main body of the temporary fire-fighting system, and a small part of temporary fire-fighting facilities are combined, so that seamless conversion from temporary fire-fighting in the construction stage to formal fire-fighting in the building is realized, the fire-fighting safety of each construction area in the whole period of the construction stage is ensured, the construction task and the dismantling task of the temporary fire-fighting system are greatly reduced, the construction period is shortened, the material waste is reduced, and the construction cost is reduced.
The temporary fire water system constructed along with the construction process in the construction stage of the building is constructed according to the design requirement of the formal fire water system, the temporary fire water system is directly used as the formal fire water system without dismantling, after the construction of the building is basically completed, part of temporary pipelines are dismantled, the temporary water pump and the temporary fire hydrant are replaced, the rest fire water supply pipe network is installed, and the temporary fire water system is integrated with the temporary fire water supply pipe network which is installed and put into use before to form the formal fire water system.
The fire-fighting water system for the construction stage of the super high-rise building and the construction method thereof according to the present invention are further described below with reference to the accompanying drawings.
Drawings
FIG. 1 is a schematic view of the fire fighting water system of the present invention for use in the construction phase of super high rise buildings;
FIG. 2 is a schematic construction flow diagram of the fire fighting water system of the present invention for use in the construction phase of super high rise buildings;
FIG. 3 is a schematic view of construction structure of the first two-layer fire fighting water system in this embodiment;
fig. 4 is a schematic structural diagram of the final fire fighting water system of the present embodiment after construction.
Reference numerals:
1-a fire-fighting transfer water tank; 2-transferring pipelines; 3-a temporary transfer pump; 4-a temporary water supply pipeline; 51-first fire water riser; 52-fire water supply loop; 53-pressure reducing valve group; 61-a construction water pipeline; 62-a construction water pump; 7-a formal fire water supply pipeline; 71-a temporary fire pump; 72-a flow meter; 73-a pressure gauge; 74-a voltage stabilizing device; 81-a fire-fighting decompression water tank; 82-a fire-fighting pressure-stabilizing water tank; 83-high zone fire pool; 9-a formal fire-fighting transfer pump.
Detailed Description
As shown in fig. 1, the fire water system for the super high-rise building construction stage of the present invention comprises a fire-fighting water-conveying tank 1 for building formally, a temporary fire-fighting water-supplying pipe network, a temporary water-supplying pipe 4 connecting the fire-fighting water-conveying tank 1 with the temporary fire-fighting water-supplying pipe network, and a temporary fire hydrant connected with a water outlet of the temporary fire-fighting water-supplying pipe network.
The method comprises the steps that a fire-fighting transfer water tank 1 is arranged on a super high-rise building every 100-140m, a water inlet of the fire-fighting transfer water tank 1 at the bottom layer is communicated with a municipal water supply pipeline, the fire-fighting transfer water tanks 1 adjacent to each other vertically are communicated through a formal transfer pipeline 2, the transfer pipeline 2 is a steel pipe with a nominal diameter not smaller than 250mm, a temporary transfer pump 3 is arranged on the transfer pipeline 2, and the lift of the temporary transfer pump 3 is higher than that of the formal fire-fighting transfer pump 9; each fire-fighting transmission water tank 1 which is not at the bottom layer is communicated with a temporary fire-fighting water supply pipe network between the fire-fighting transmission water tank 1 and the adjacent lower fire-fighting transmission water tank 1 through a temporary water supply pipe 4; the water outlet of the fire-fighting transmission water tank 1 positioned at the uppermost layer in the construction process is communicated with a construction water pipeline 61, and the construction water pipeline 61 is provided with a construction water pump 62, so that the water pump in the fire-fighting transmission water tank 1 is used as construction production water; the water outlet of the fire-fighting water-conveying tank 1 positioned at the uppermost layer is communicated with a temporary fire-fighting water-conveying pipe network which is not lower than the position of the fire-fighting water-conveying tank 1 through a formal fire-fighting water-feeding pipe 7, a temporary fire-fighting pump set and a pressure stabilizing device 74 are arranged on the formal fire-fighting water-feeding pipe 7, the temporary fire-fighting pump set comprises a temporary fire-fighting pump 71, a flowmeter 72 and a pressure gauge 73 which are sequentially connected in series along the water flow direction, the flowmeter 72 is a target flowmeter, the pressure gauge 73 is an electric contact pressure gauge, and the pressure stabilizing device 74 and the temporary fire-fighting pump set are arranged in parallel.
The temporary fire-fighting water supply pipe network comprises first fire-fighting water supply risers 51 and fire-fighting water supply ring pipes 52 for formal fire-fighting, the water outlet of the temporary water supply pipe 4 is connected with the first fire-fighting water supply risers 51, the temporary water supply pipe 4 and the first fire-fighting water supply risers 51 are steel pipes with nominal diameters not smaller than 150mm, the first fire-fighting water supply risers 51 are communicated with the fire-fighting water supply ring pipes 52 of each layer, the number of the first fire-fighting water supply risers 51 of each layer is 20-40% of the total number of the water supply risers of the formal fire-fighting system, for example, the number of the water supply risers in each standard layer of the designed formal fire-fighting system is 10-16, and 4 water supply risers are constructed and used in advance in the construction process; the temporary fire water supply pipe network is internally provided with a pressure reducing valve group 53, and the first fire water supply vertical pipe 51 of each layer is provided with a temporary fire hydrant.
As shown in fig. 1 to 4, the construction method of the fire-fighting water system for the construction stage of the super high-rise building of the present invention specifically comprises the following steps:
step one, constructing a formal pump house and a formal fire-fighting transmission water tank 1 at the bottommost layer of a building, and arranging a temporary transmission pump 3 to communicate the bottommost layer fire-fighting transmission water tank 1 with a municipal water supply pipeline;
the temporary transfer pump 3 is an electric pump, and a standby pump is also arranged in parallel, and is a diesel pump, so that the water supply safety is ensured under the condition of sudden power failure of a construction site;
step two, along with the progress of the construction of the structure, according to the division of fireproof subareas, a first fire-fighting water supply riser 51 and a temporary fire hydrant are sequentially installed, the first fire-fighting water supply riser 51 is communicated with a fire-fighting transmission water tank 1 through a temporary fire-fighting pump set, and the temporary fire hydrant can be normally used to ensure the safety of site fire protection and avoid leaving fire blank spots;
step three, arranging fire-fighting water supply ring pipes 52, and communicating first fire-fighting water supply risers 51 of each fireproof partition to form a closed pipe network, so that the water supply safety coefficient is improved;
step four, the fire-fighting water-conveying tank 1 is respectively communicated with a construction water pipeline 61 and a formal fire-fighting water supply pipeline 7, so that normal water and temporary fire-fighting water for construction are ensured;
the position of the bottom fire-fighting transfer water tank 1 and the construction area of the high-rise area are both discharged from the bottom fire-fighting transfer water tank 1, temporary high-pressure water supply is adopted, and a pressure reducing valve and a temporary fire hydrant for pressure reduction and pressure stabilization are arranged at an overpressure part;
step five, repeating the step two to the step four according to the design requirement of the fire protection system, and constructing a formal pump house, a fire-fighting transfer water tank 1, a temporary fire-fighting water supply pipe network and a temporary fire hydrant which are adjacent above;
step six, communicating the upper and lower adjacent fire-fighting transmission water tanks 1 through the transmission pipeline 2, and before the fire-fighting transmission water tanks 1 in the high area have water supply conditions, performing temporary high-pressure water supply for the temporary fire-fighting water supply pipe network in the position of the fire-fighting transmission water tank 1 and the construction area in the high area through the fire-fighting transmission water tanks 1 in the adjacent low area, wherein a pressure reducing valve and a temporary fire hydrant for pressure reducing and pressure stabilizing are arranged in the overpressure part, so that a fire blank point is avoided;
after ensuring that the fire-fighting transmission water tank 1 in the high-rise area has water supply conditions, converting a temporary fire-fighting water supply pipe network below the position of the fire-fighting transmission water tank 1 in the high-rise area into normal high-pressure water supply, wherein the position of the fire-fighting transmission water tank 1 and the construction area in the high-rise area adopt temporary high-pressure water supply;
step seven, after the construction of all pump rooms and fire-fighting transfer water tanks 1 in the building is completed, a high-area fire-fighting water tank 83 and fire-fighting decompression water tanks 81 in all areas are arranged, the high-area fire-fighting water tank 83 and the uppermost fire-fighting transfer water tank 1 are communicated through a transfer pipeline 2, then the high-area fire-fighting water tank 83 and the fire-fighting decompression water tanks 81 are communicated, a temporary water supply pipeline 4 is removed, a formal fire-fighting communication pipeline is adopted to connect the fire-fighting decompression water tanks 81 adjacent to each other up and down, the fire-fighting decompression water tanks 81 are communicated with a temporary fire-fighting water supply pipe network, and temporary fire hydrants in all areas are directly supplied with water by the fire-fighting decompression water tanks 81 in all areas;
all temporary fire water supply pipe networks in the whole building are converted into normal high-pressure water supply;
step eight, gradually replacing all temporary transfer pumps 3 with formal fire-fighting transfer pumps 9;
step nine, after entering the electromechanical decoration stage, installing the rest fire-fighting water supply vertical pipes layer by layer according to the fireproof partition, and connecting the fire-fighting water supply vertical pipes into the temporary fire-fighting water supply pipe network to gradually form a formal fire-fighting pipe network;
step ten, taking each fire water supply vertical pipe as a construction unit, gradually replacing all temporary fire hydrants with formal fire hydrants, and connecting the formal fire hydrants into the newly installed fire water supply vertical pipes to form a formal fire water system;
and step eleven, constructing a fire-fighting pressure stabilizing water tank 82 on the top layer of the building, and communicating the fire-fighting pressure stabilizing water tank with a formal fire-fighting pipe network to finish the construction of the fire-fighting system in the whole building.
The above examples are only illustrative of the preferred embodiments of the present invention and are not intended to limit the scope of the present invention, and various modifications and improvements made by those skilled in the art to the technical solution of the present invention should fall within the scope of protection defined by the claims of the present invention without departing from the spirit of the present invention.
Claims (10)
1. A fire fighting water system for super high-rise building construction stage, its characterized in that: the fire control system comprises a fire control transfer water tank (1) for building formally, a temporary fire control water supply pipe network and a temporary fire hydrant connected with a water outlet of the temporary fire control water supply pipe network;
the water inlet of the fire-fighting transmission water tank (1) at the bottommost layer is communicated with a municipal water supply pipeline, the fire-fighting transmission water tanks (1) adjacent up and down are communicated through transmission pipelines (2), a temporary transmission pump (3) is arranged on the transmission pipelines (2), and each fire-fighting transmission water tank (1) is communicated with a temporary fire-fighting water supply pipe network between the fire-fighting transmission water tank (1) and the fire-fighting transmission water tank (1) adjacent below through a temporary water supply pipeline (4);
the water outlet of the fire-fighting water transmission tank (1) positioned at the uppermost layer in the construction process is communicated with a construction water pipeline (61), and a construction water pump (62) is arranged on the construction water pipeline (61);
the water outlet of the fire-fighting water-conveying tank (1) at the uppermost layer is communicated with a temporary fire-fighting water-feeding pipe network which is not lower than the position of the fire-fighting water-conveying tank (1) through a formal fire-fighting water-feeding pipe (7), and a temporary fire-fighting pump group is arranged on the formal fire-fighting water-feeding pipe (7);
the temporary fire water supply pipe network comprises a first fire water supply vertical pipe (51) and a fire water supply ring pipe (52) for formal fire control, and a temporary fire hydrant is arranged on the first fire water supply vertical pipe (51).
2. The fire fighting water system for use in the construction phase of super tall buildings according to claim 1, wherein: the vertical interval between the adjacent fire-fighting transfer water tanks (1) is 100-140m.
3. The fire fighting water system for use in the construction phase of super tall buildings according to claim 1, wherein: the lift of the temporary transfer pump (3) is higher than that of the formal fire-fighting transfer pump (9).
4. The fire fighting water system for use in the construction phase of super tall buildings according to claim 1, wherein: the temporary fire pump set comprises a temporary fire pump (71), a flowmeter (72) and a pressure gauge (73) which are sequentially connected in series along the water flow direction.
5. The fire fighting water system for use in the construction phase of super tall buildings according to claim 1, wherein: the formal fire-fighting water supply pipeline (7) is also provided with a pressure stabilizing device (74), and the pressure stabilizing device (74) is connected with the temporary fire-fighting pump set in parallel.
6. The fire fighting water system for use in the construction phase of super tall buildings according to claim 1, wherein: the number of the first fire-fighting water supply risers (51) is 20-40% of the total number of the water supply risers of the formal fire-fighting system.
7. The fire fighting water system for use in the construction phase of super tall buildings according to claim 1, wherein: a pressure reducing valve group (53) is arranged in the temporary fire water supply network.
8. The construction method of the fire fighting water system for the construction stage of the super high rise building according to any one of claims 1 to 7, wherein: the method comprises the following steps:
step one, constructing a formal pump house and a formal fire-fighting transmission water tank (1) at the bottommost layer of a building, and arranging a temporary transmission pump (3) to communicate the fire-fighting transmission water tank (1) at the bottommost layer with a municipal water supply pipeline;
step two, along with the progress of the construction of the structure, according to the division of fireproof subareas, a first fire-fighting water supply vertical pipe (51) and a temporary fire hydrant are sequentially installed, the first fire-fighting water supply vertical pipe (51) is communicated with a fire-fighting transfer water tank (1) through a temporary fire pump group, and the temporary fire hydrant can be normally used to ensure the safety of fire on site;
step three, arranging fire-fighting water supply ring pipes (52), and communicating first fire-fighting water supply risers (51) of each fireproof partition to form a closed pipe network, so that the water supply safety coefficient is improved;
step four, the fire-fighting transfer water tank (1) is respectively communicated with a construction water pipeline (61) and a formal fire-fighting water supply pipeline (7), so that normal water and temporary fire-fighting water for construction are ensured;
step five, repeating the step two to the step four according to the design requirement of a fire protection system, and constructing a formal pump house, a fire protection transfer water tank (1), a temporary fire protection water supply pipe network and a temporary fire hydrant which are adjacent to each other above;
step six, communicating the fire-fighting transmission water tanks (1) adjacent to each other up and down through the transmission pipeline (2), ensuring that after the fire-fighting transmission water tanks (1) in the high-rise area have water supply conditions, a temporary fire-fighting water supply pipe network below the position of the fire-fighting transmission water tanks (1) in the high-rise area is converted into normal high-pressure water supply, and the position of the fire-fighting transmission water tanks (1) and the construction area in the high-rise area adopt temporary high-pressure water supply;
step seven, after the construction of all pump rooms and fire-fighting transmission water tanks (1) in the building is finished, a high-area fire-fighting water tank (83) and fire-fighting decompression water tanks (81) in all areas are arranged, the fire-fighting transmission water tank (1) at the uppermost layer is communicated with the high-area fire-fighting water tank (83), the high-area fire-fighting water tank (83) and the fire-fighting decompression water tanks (81) are communicated, a temporary water supply pipeline (4) is removed, a formal fire-fighting communication pipeline is adopted to connect the fire-fighting decompression water tanks (81) adjacent to each other up and down, the fire-fighting decompression water tanks (81) are communicated with a temporary fire-fighting water supply pipe network, and water is directly supplied to a temporary fire hydrant by the fire-fighting decompression water tanks (81);
step eight, gradually replacing all temporary transfer pumps (3) with formal fire-fighting transfer pumps (9);
step nine, after entering the electromechanical decoration stage, installing the rest fire-fighting water supply vertical pipes layer by layer according to the fireproof partition, and connecting the fire-fighting water supply vertical pipes into the temporary fire-fighting water supply pipe network to gradually form a formal fire-fighting pipe network;
step ten, gradually replacing all temporary fire hydrants into formal fire hydrants, and connecting the formal fire hydrants into a newly installed fire water supply riser to form a formal fire water system;
and step eleven, constructing a fire-fighting pressure stabilizing water tank (82) on the top layer of the building, and communicating the fire-fighting pressure stabilizing water tank with a formal fire-fighting pipe network.
9. The construction method of fire fighting water system for super high rise building construction stage according to claim 8, wherein: and fourthly, the position of the bottom fire-fighting transfer water tank (1) and the construction area of the high-rise area adopt temporary high-pressure water supply, and a pressure reducing valve and a temporary fire hydrant for pressure reduction and pressure stabilization are arranged at the overpressure part.
10. The construction method of fire fighting water system for super high rise building construction stage according to claim 8, wherein: and step six, before the fire-fighting transmission water tank (1) in the high area has the water supply condition, temporary high-pressure water supply is carried out for the temporary fire-fighting water supply pipe network of the position of the fire-fighting transmission water tank (1) and the high-area construction area through the fire-fighting transmission water tank (1) in the adjacent low area, and a pressure reducing valve and a temporary fire hydrant for pressure reduction and pressure stabilization are arranged at the overpressure part.
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| CN109811830A (en) * | 2019-03-11 | 2019-05-28 | 中国建筑第四工程局有限公司 | A kind of super high-rise building annular pressure maintaining fire water-supply method and system |
| CN109944289B (en) * | 2019-04-08 | 2024-06-28 | 三一汽车制造有限公司 | Fire-fighting water supply system for high-rise building |
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