two Personnel arrangement and mechanical delivery: Tower A and Tower B are two super high-rise buildings.
four In order to ensure the construction quality and visual effect, the floor heating construction is required to “sample first” before the construction of each installation process, and the large-scale construction can be carried out only after being confirmed by Party A and the supervisor on site.
three For the handover between installation types of work, there must be the handover form of the team.
on January 1 every week, and report the completion of this week, the plan of next week and the matters to be coordinated and solved by the general contractor; In case of technical problems in cooperation, the constructor shall put forward it and report it to the supervisor for immediate meeting.
six The buried pipeline of cold and hot water shall avoid the ground heating pipe, and the cold water pipe shall avoid the hot water pipe.
finished product protection one The project is a fine decoration project with high requirements for finished product protection to avoid potential quality and safety hazards and damage to finished and semi-finished products caused by cross construction.
five The installation support of water collector and separator shall be buried firmly, horizontally and slope to the vent valve.
Under special circumstances, it must be reported to the supervisor and image records must be made.
Key overview in combination with the characteristics of the project one Process requirements for floor heating installation works two Overview of process points of floor heating installation engineering ▲ setting of expansion joints in the hall ▲ Long aisle expansion joint setting (mainly for the floor heating of the public area on the first commercial floor) ▲ The ground shall be dotted and leveled, and the ground heating pipeline shall be rechecked for superelevation.
IV.
After concrete pouring, exposed pipes are strictly prohibited.
After the installation of the floor heating pipe is completed, the pressure test 5.
A separate polystyrene board partition strip shall be made between the walkway and the living room and at the constant section mutation part at the door to divide the ground of two adjacent areas.
It is required to be equipped with a general technical director of floor heating and two subordinate operation team leaders.
There must be a special warehouse on site to store coils.
It is the heart and blood of floor heating system; The water separator is installed on the upper and the water collector is installed on the lower, the center distance is 200, and the center distance of the water collector from the ground is not less than 300.
The next process can be carried out only after there is no leakage.
VII.
When the side length exceeds 6m or the area is more than 30, it is necessary to set up expansion joints.
Conduct hydrostatic test after the installation and flushing of geothermal heating pipe.
A.
The floor heating pipe shall be cured under the condition that the charging pressure is not less than 0.4MPa.
It is strictly forbidden to expose the pipeline beyond the floor surface.
▲ Auxiliary measures shall be taken, and “dead folding” is strictly prohibited..
two Meeting system the person in charge of floor heating construction shall attend the regular supervision meeting on time at 14:30 p.m.
The cold and hot water pipes shall be handed over to the floor heating team for construction under pressure after the construction is completed.
The positioning of the water collector shall comprehensively consider the layout of the kitchen cabinet, and try to ensure that it is in one cabinet.
The bending radius of plastic and aluminum-plastic composite pipe shall not be less than 6 times the outer diameter of the pipe; B.
Preparation before floor heating construction 3.
three Ensure sufficient construction technical force, review design parameters of drawings, rationalization suggestions and secondary deepening design of drawings, etc.
A.
Vi.
two Carefully get familiar with the floor heating construction drawing, and the on-site technicians shall check whether the on-site pipeline route and the control elevation of the ground meet the pouring requirements in advance, so as to find problems.
Due to the large number of house types, each house type has a specially assigned person for construction, and the construction personnel should be fixed.
Finished product protection 7.
High foamed polyethylene foam slabs with vertical and horizontal 20mmx60mm are set at 3M intervals.
2.
It shall be stabilized for 1H and the pressure drop shall not be greater than 0.05Mpa.
installation of water collector and separator and relevant quality requirements one The elevation of the floor shall be strictly controlled.
The floor heating pipe must be poured with concrete under the condition that the filling pressure is not less than 0.6MPa, and the pressure can be relieved after the concrete is filled for 24h.
The water collector ensures to share the example of construction disclosure of floor heating installation engineering in one cabinet.
If they are inconsistent with the samples, they shall be cleared and demobilized.
Exposure to the sun is strictly prohibited; The mechanical input meets the labor requirements, such as electric box, hot melt machine, scissors, pressure gauge, pressure test tools and materials, etc.
This paper summarizes the five control points of floor heating installation engineering construction, and shares an example of floor heating installation engineering construction disclosure, which is clear and clear.
two Not only the finished product protection within the scope of this type of work, but also the finished product protection of other types of work units.
Set expansion joints 4.
Each place found shall be punished by 1000 yuan and must be repaired and improved.
Installation of water collector and separator and relevant quality requirements 6.
The elevation of floor heating installation shall be strictly controlled.
B.
If pouring is not reported, a heavy penalty of 5000 yuan will be imposed for each place.
three For the laying of ground radiant heat, if the pipeline is damaged during construction, it is strictly prohibited to use hot melting.
The bridge shall be added to the cold water pipe, preferably not to the hot water pipe, because the pressure of the hot water pipe is small.
I believe it will be very helpful to everyone in the project implementation.
The heating tube is installed with arc section 3, radiant heating floor.
The water supply and return coordinates of the water collector and separator are close to the internal corner, and the horizontal coordinates of the water supply pipe of the water collector are 8 cm away from the decorative surface of the internal corner; The center distance of water supply and return is 8 cm, and the longitudinal coordinate is consistent with the center of water collector and separator.
three Material acceptance shall be carried out in strict accordance with the specification requirements when the materials are mobilized, and the mobilized materials shall be stacked by classification.
At the same time, the installation and maintenance of the valve shall be considered.
C.
Before floor heating installation, fully consider the elevation of the living surface, strictly control the elevation during installation, and snap + 500mm elevation control line on the ground to avoid affecting the later door opening elevation and door closing.
The author Chu Yusong’s floor heating installation construction disclosure of a project interprets the relevant construction requirements of floor heating installation engineering in detail from the following aspects, which is shared for your reference and implementation in the project: 1 Construction scope and work content of floor heating 2.
installation process flow v.
If a frozen place is found, a heavy fine of 5000 yuan will be imposed.
two Hidden dangers such as dead corner bending, bending and flattening are strictly prohibited in floor heating laying.
If the ground is too high, it shall be solved through communication with civil engineering technicians in advance.
Preparation before floor heating construction one As the floor heating construction team has not surveyed the site for a long time, in order to meet the needs of the installation project, all disciplines cooperate with each other to enter the site, actively cooperate with the preparation of special construction scheme for floor heating construction in combination with the actual situation of the site, and the scheme shall be practical and submitted to Party A and the supervisor for review; Before pipe laying, take the initiative to combine with other professional installation teams to optimize the pipe laying on site, and the sample household shall take the lead.
III.
four Water blowing shall be carried out for pipeline construction in winter to prevent freezing damage.
Site management requirements 4.
Key overview of floor heating installation project in combination with the characteristics of the project 8.
During the installation of heating pipe, the pipe shall be prevented from twisting; When bending the pipe, the top of the arc shall be limited and fixed with a pipe clamp without “dead break”.
A large number of components and parts shall be mobilized and compared with the sealed components and parts samples.
The bending radius of copper pipe should not be less than 5 times the outer diameter of the pipe.
three Floor heating water collector plays a very important role in floor heating construction.
four The water collector and separator of the project is set at the lower part of the washbasin, and the installation position is in accordance with the drawing requirements.
Before concrete pouring, the test pressure shall be 1.5 times of the working pressure and shall not be less than 0.6MPa.
II.
Air compressor shall be used to blow away the residual water in the pipeline.
Image progress of floor heating installation project I construction scope and work content of floor heating of the project one For the ground heating laying project in the public area on the first floor of the commercial building and floors 7-34 of blocks a and B of the tower, the construction of ground radiant heat is not considered for floors 2-6 of the commercial part, and the positioning of water collector and separator must be equipped during the installation of heating pipes; Handover before radiant heating of tower blocks a and B (layered and phased handover is allowed).
Control points of floor heating installation engineering 1.
Installation process 5.
All components and parts must be sent samples first and sealed after confirmation.
site management requirements one According to the progress requirements, the annual image node requirements shall be completed, the installation works and the main decoration shall be carried out simultaneously, and the problems existing in the handover of the working surface shall be coordinated and solved by the supervisor and Party A in time, without intentional delay.
The slab height is higher than the ground 20mm.
