A method for plumbing construction of a grid between a kitchen and a bathroom
By refining the drawings and avoiding overlaps before the construction of the kitchen and bathroom ceiling panels, the problem of easy damage to the pre-embedded electromechanical pipelines in aluminum ceiling panels is solved, realizing an efficient and safe construction method that is suitable for grid positioning pipeline construction in the kitchens and bathrooms of fine residential decoration.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- CHINA MCC5 GROUP CORP LTD
- Filing Date
- 2026-03-31
- Publication Date
- 2026-06-02
AI Technical Summary
In the construction of fully furnished residential buildings, the pre-embedded electromechanical pipelines in the aluminum ceiling panels of kitchens and bathrooms are easily damaged by drilling, leading to leakage, rework, and construction delays. Moreover, existing devices are bulky, cannot completely solve the problem of drilling damage, and cannot achieve risk control through process optimization.
By employing construction methods such as pre-planning, route avoidance, and grid positioning, including drawing refinement, pipeline routing drawing, hanger positioning drawing, plan avoidance, and precise marking, we ensure safe distances between pipelines and hanger drilling points, avoid conflicts, and achieve risk pre-control through process optimization without special components.
It enables pipeline construction that is free of rework, low-cost, and highly safe, making it suitable for small spaces in kitchens and bathrooms. It improves construction quality and efficiency and avoids pipeline damage and safety hazards.
Smart Images

Figure CN122129130A_ABST
Abstract
Description
Technical Field
[0001] This invention relates to the field of building electromechanical installation and construction technology, specifically to a grid positioning construction method for pre-embedding pipelines in the ceiling slab and avoiding ceiling hangers in the kitchen and bathroom of a residential building. Background Technology
[0002] In the construction of fully furnished residential buildings, aluminum composite panels are commonly used for kitchen and bathroom ceilings. Installing the keel hangers requires drilling holes in the concrete ceiling slab. Electrical and mechanical pipelines are embedded within the steel mesh of the ceiling slab; however, due to deviations in embedding depth and improper drilling control, they are easily damaged by the drill bit, causing electrical leaks, rework, and project delays. If the pipelines are instead laid exposed within the ceiling, safety hazards such as chaotic layout, inadequate protection, and electrical leaks due to aging are likely to occur.
[0003] The prior art (CN202322344267.X) discloses an electromechanical pipeline positioning device, which uses a bracket, a clamping block, and a top clamping plate to hold the pipeline, but it has obvious defects: 1) The components are large in size, making cross-construction in the small spaces of kitchens and bathrooms difficult; 2) Only the pipeline fixing was addressed, but the core issue of drilling holes in the finishing hangers damaging the pre-embedded pipelines was not resolved; 3) It relies on specialized equipment and cannot achieve risk prevention and control through pure process optimization.
[0004] Therefore, there is an urgent need for a construction method that requires no special components, pre-processing, and precise obstacle avoidance to fundamentally solve the problem of pipeline damage. Summary of the Invention
[0005] The purpose of this invention is to overcome the shortcomings of existing technologies and provide a grid-based pipeline construction method for kitchens and bathrooms. By pre-planning, route avoidance, and grid positioning, this method completely avoids damaging the pre-buried pipelines by drilling holes in ceiling hangers, thereby improving construction quality, safety, and economy.
[0006] To achieve the above objectives, the technical solution of the present invention is: a method for constructing grid-positioned pipelines in kitchens and bathrooms, comprising the following steps: 1) In the early stage of main construction, the drawings and parameters of the electromechanical pipelines embedded in the ceiling of the kitchen and bathroom are refined and confirmed to clarify the function, specifications and materials of the pipelines; (2) Draw a diagram of the electrical and mechanical pipelines on the ceiling of the kitchen and bathroom, and mark the pipeline route, specifications and uses; (3) Based on the dimensions of the finished ceiling panels, determine the location of the main ceiling keel and the installation points of the hangers, and form a hanger positioning diagram; (4) Combine the pipeline route diagram with the hanger positioning diagram, identify and adjust the pipeline route to avoid conflict points of hanger drilling, so that the horizontal net distance between the pipeline and the hanger drilling point is not less than 50mm, and at the same time meet the requirement that the pipeline bending radius is not less than 6 times the pipe diameter. (5) Mark the precise location dimensions on the final route map, explain the details to the work team, and pre-bury the pipelines according to the map; (6) Before the ceiling construction in the finishing stage, check the location of the hangers according to the final route map. After the acceptance is qualified, drill holes and install the hangers.
[0007] The kitchen and bathroom grid positioning pipeline construction method of the present invention can also be further implemented by the following technical measures. In the aforementioned method, the mapping and routing adjustment in step (4) are completed before the main structure construction, realizing the pre-embedding and fine decoration process coordination. In the aforementioned method, the positioning dimensions in step (5) are marked with the wall and component edge as the reference to ensure that the pre-embedding position is traceable and verifiable. In the aforementioned method, this method is applicable to the aluminum ceiling of the kitchen and bathroom in residential fine decoration, and is used to prevent the drilling of the hanging rod from damaging the pre-embedded pipeline in the ceiling.
[0008] After adopting the above technical solution, the kitchen and bathroom grid positioning pipeline construction method of the present invention has the following advantages: 1) No special components are needed; risk control is achieved solely through process optimization, resulting in low cost and easy promotion. 2) Proactive avoidance prevents pipeline damage at the source, resulting in almost zero rework; 3) Location is traceable, making it suitable for standardized, refined, and fully-furnished residences; 4) Suitable for small kitchen and bathroom spaces, does not affect cross-operation, and has high construction efficiency. Attached Figure Description
[0009] Figure 1 The diagram shows the electrical wiring of the kitchen and bathroom ceiling panels according to an embodiment of the present invention. Figure 2 This is a positioning diagram of the ceiling hanger rod according to an embodiment of the present invention; Figure 3 This is a schematic diagram illustrating the avoidance of the pipeline route and the hanger in an embodiment of the present invention; Figure 4 This is a schematic diagram of the on-site construction implementation of an embodiment of the present invention. Detailed Implementation
[0010] The present invention will be further described below with reference to the embodiments and accompanying drawings.
[0011] Example 1 For a typical residential project where the kitchen and bathroom use 300mm×300mm aluminum ceiling panels, with a main keel spacing of 600mm and a hanger spacing of 900mm, the grid positioning pipeline construction method for kitchen and bathrooms of this invention is implemented according to the following steps (see appendix). Figure 1-4 ): (1) Drawing review stage in the early stage of main construction Review the drawings for the pre-embedded electromechanical pipelines in the ceiling of the kitchen and bathroom to confirm the pipeline functions (lighting, equipotential bonding, low-voltage wiring, etc.), specifications (Φ20 / Φ25 PVC pipe or galvanized steel pipe), materials, and details. Communicate with the design unit to confirm the final parameters (pipeline functions, specifications, materials, elevations, intersection elevations, bending radii, etc.), and generate detailed drawings that have been signed and confirmed by the design unit (drawing review records are archived).
[0012] (2) Pipeline routing diagram drawing stage Based on the detailed drawings, use CAD software to draw the wiring diagram for the mechanical and electrical conduits on the ceiling of the kitchen and bathroom (attached). Figure 1 The diagram clearly marks the route, start point, end point, specifications, purpose, and elevation of each pipeline. The intersection elevation is marked at pipeline intersections to ensure clear and unambiguous routing.
[0013] (3) Stage of drawing the positioning diagram of the lifting rod Based on the aluminum ceiling panel specifications (300mm×300mm) in the interior design drawings, determine the location of the main ceiling joists (600mm spacing) and the installation points of the hangers (900mm spacing), and draw a hanger positioning diagram (attached). Figure 2 The diagram shows the plane coordinates (X and Y values, with an accuracy of 0.1m) of each hanger point, with the wall or beam edge as the reference.
[0014] (4) Map Alignment and Avoidance Phase The pipeline route is shown in the attached diagram. Figure 1 ) and boom positioning diagram (attached) Figure 2 Overlaying in CAD (with appendix) Figure 3 ), identifying conflict points (a conflict is defined as a horizontal clearance of less than 50mm between the hanger point and the pipeline centerline). This embodiment identified a total of 3 conflict points: Conflict 1: The horizontal clearance between the lighting conduit and the hanger point is 30mm; Conflict 2: The horizontal clearance between the equipotential bonding pipeline and the hanger point is 35mm; Conflict 3: The horizontal clearance between the low-voltage cable and the hanger point is 40mm. For each conflict, adjust the cable route (by detouring or locally raising / lowering the elevation) to ensure that the horizontal clearance between the cable and the hanger point is not less than 50mm after adjustment, while also meeting the requirement that the cable bending radius is ≥6 times the pipe diameter. The final route diagram should be generated after the adjustments.
[0015] (5) Precise labeling and technical briefing stage On the final routing diagram, mark the positioning dimensions of each key point of the pre-embedded pipeline, using the edge of the wall or component as a reference (see attached diagram). Figure 4The marking error should be controlled within ±5mm; at the same time, the pipeline elevation, slope and fixing method should be marked. Construction drawings with dimensions should be generated and technical instructions should be given to the electromechanical work team (the instructions should include drawings, conflict avoidance instructions and acceptance standards). The work team should pre-embed the pipeline according to the drawings and fill in the concealed works acceptance record after the pre-embedding is completed.
[0016] (6) Drilling stage for final inspection Before the ceiling installation during the finishing stage, the ceiling installation team will proceed according to the final route map (attached). Figure 4 All hanger locations should be checked and marked out on-site, and a laser level should be used to measure the deviation of the locations (readjustment should be made if the deviation exceeds ±5mm). After verification, the locations should be submitted to the supervisor / general contractor for acceptance. Only after acceptance can the expansion bolt hangers be installed by drilling holes in the roof slab using an impact drill.
[0017] According to on-site measurements, the pipeline damage rate in this embodiment was reduced from 8% to 12% in the traditional process to 0. No accidents occurred that damaged the pre-buried pipelines during drilling of the boom. The construction quality was stable and the economic benefits were significant.
[0018] The above embodiments are only used to illustrate the technical solutions of the present invention, and are not intended to limit the present invention. Those skilled in the art can make various modifications or variations without departing from the spirit and scope of the present invention; therefore, all equivalent technical solutions should also fall within the protection scope of the present invention.
Claims
1. A method for constructing grid-positioned pipelines in kitchens and bathrooms, characterized in that, Includes the following steps: (1) In the early stage of main construction, the drawings and parameters of the electromechanical pre-embedded pipelines in the ceiling of the kitchen and bathroom are refined and the pipeline functions, specifications and materials are clarified; (2) Draw a diagram of the electrical and mechanical pipelines on the ceiling of the kitchen and bathroom, and mark the pipeline route, specifications and uses; (3) Based on the dimensions of the finished ceiling panels, determine the location of the main ceiling keel and the installation points of the hangers, and form a hanger positioning diagram; (4) Combine the pipeline routing diagram with the hanger positioning diagram, identify and adjust the pipeline routing to avoid conflict points in the hanger drilling; (5) Mark the precise location dimensions on the final route map, explain the details to the work team, and pre-bury the pipelines according to the map; (6) Before the ceiling construction in the finishing stage, check the location of the hangers according to the final route map. After the acceptance is qualified, drill holes and install the hangers.
2. The method for constructing grid-positioned pipelines in kitchens and bathrooms according to claim 1, characterized in that, In step (4), the alignment and routing adjustments are completed before the main structure construction, so as to achieve the pre-embedded and fine decoration processes in a coordinated manner.
3. The method for constructing grid-positioned pipelines in kitchens and bathrooms according to claim 1, characterized in that, In step (5), the positioning dimensions are marked based on the wall and component edges to ensure that the pre-embedded position is traceable and verifiable.
4. The method for constructing grid-positioned pipelines in kitchens and bathrooms according to claim 1, characterized in that, This method is applicable to aluminum ceiling panels in kitchens and bathrooms of fully furnished residential buildings, and is used to prevent drilling holes in the ceiling rods from damaging the pre-embedded conduits.
5. The method for constructing grid-positioned pipelines in kitchens and bathrooms according to claim 1, characterized in that, The standard for identifying conflict points in step (4) is: when the horizontal clearance between the hanger point and the center line of the pipeline is less than 50mm, it is determined to be a conflict. After adjustment, the horizontal clearance between the pipeline and the hanger point is not less than 50mm, and at the same time, the requirement that the bending radius of the pipeline is not less than 6 times the pipe diameter is met.
6. The method for constructing grid-positioned pipelines in kitchens and bathrooms according to claim 1, characterized in that, In step (4), the pipeline route is adjusted by detouring or locally raising / lowering the elevation. The final route map after adjustment needs to be regenerated and saved in CAD.
7. The method for constructing grid-positioned pipelines in kitchens and bathrooms according to claim 1, characterized in that, In step (6), the position verification of the hanger is carried out on-site by using a laser level. If the position deviation exceeds ±5mm, it is readjusted. After the verification is qualified, it is reported to the supervisor or general contractor for acceptance. Only after the acceptance is qualified can the drilling and installation of the expansion bolt hanger be carried out.
8. The method for constructing grid-positioned pipelines in kitchens and bathrooms according to claim 1, characterized in that, The technical briefing record in step (5) includes the final route map, conflict avoidance instructions and acceptance criteria. After the pre-embedding is completed, fill in the concealed works acceptance record and archive it.
9. The method for constructing grid-positioned pipelines in kitchens and bathrooms according to claim 1, characterized in that, In step (3), the positioning diagram of the hanger rod is marked with the plane coordinates (X, Y values) of each hanger rod point based on the wall or beam edge, and the marking accuracy is 0.1m.