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1、104 indoor plastic drainage pipe installation construction technology1 scopeThis technology standard is suitable for water drainage, rain water and acid alkaline drainage pipe installation in civil and general industrial buildings.Construction preparation2.1 material requirements:2.1.1 pipes are har
2、d polyvinyl chloride (UPVC). The adhesive should be the same manufacturer as the product, should be compatible with the sanitary ware, and have the product certificate and the instruction manual.The inner and outer surface of the pipe should be smooth, no bubbles, cracks, thick and uniform wall, uni
3、form color and color. The direct tube deflection is not greater than l %. The fittings should be custom, smooth and without burrs. The socket should have the tip and match with the socket.Other materials: adhesives, shapes, steel, CARDS, bolts, nuts, soap, etc.2.2 main tools:2.2.1 electric drill, pe
4、rcussion drill, handsaw, mill, steel scraper, wrench, handhammer, horizontal bar, thread board, brush, cotton, thread falling etc.2.3 working conditions:To lay the pipe in an embedded pipe, the groove should be well and the groove should be straight, and the slope should be made, and the bottom of t
5、he ditch should be rammed.2.3.2 concealed piping (including the equipment, shaft, and pipe in the ceiling) should first check the high and coordinate arrangement of various pipes. The reserved holes and the pre-buried parts have been completed. The earth construction template has been removed, the o
6、peration area is cleaned up, the installation height over 3.5 m should be put on the shelf.2.3.3.indoor mains shall be installed in accordance with the second floor of the structure. The indoor horizon should be played well, the original decoration plaster project is finished. There are no barriers
7、to the installation.3 operation process3.1 process flow:Installation preparation, prefabrication, dry-pipe installation, pipe installation, and branch pipe installationThe closing of the hole, the closed water test, the water testPrefabrication: according to the drawing requirements and the actual s
8、ituation, the size is measured in the reserved mouth, and the sketch is drawn. According to the drawing, the pipe size is measured and the pipe is broken. Fracture will flush with milling cutter or knife to remove impalement fracture inside and outside, outside edge milling 15 Angle. Before sticking
9、, the test should be inserted into the socket, not all inserted into the socket, usually at 3/4 depth of the socket. When the test is qualified, the water and dust shall be wiped clean and cleaned by the piece of cloth. Use acetone for oil pollution. Use the brush daub binder, first daub the daub af
10、ter socket socket, then force vertically inserted, insert rotates to pin a little glue, eli dope uniform distribution, firm bonding of approximately 30 s to 1 min. Serve. Once the glue is in place, the adhesive will be wiped clean. For multi-mouth adhesion, you should be careful to keep your mouth o
11、pen.Pipe installation: first, according to the coordinates of the design drawing, reserved slot holes or pre-buried casing. When buried in the ground, the design coordinates, the elevation, the slope, the slope are dug and rammed and compacted. The installation of the crane pipe should be designed w
12、ith the design coordinates, the elevation, the slope to the top and the hanger. When the construction condition is available, the prefabricated pipe section shall be carried out to the installation site by serial number. Adhesion processes must also be performed in accordance with the adhesion proce
13、ss. After all the adhesion, the pipe should be straight, the slope is uniform, and each reserve position is accurate.Install the vertical pipe to hold the expansion section, and the expansion section is on the ground floor or the squat platform 70-100mm. After installation of the dry-pipe, it should
14、 be tested for closed water. The outlet is sealed with inflatable rubber, which is not leaking and the water level is not falling. The underground pipe should be filled with fine sand to the tube of 100mm of the epithelium. After the lifting pipe is glued, the slope is found in the current direction
15、. Finally, the seal and the hole are reserved.3.3.4 riser installation: first, by design coordinate requirement, the opening of the hole should be reserved or remade, the hole size should not be too large, not to injure the force reinforcement. Clean the area before installation, according to need.
16、Transport the prefabricated riser to the installation site. First, clear the reserved extension section, unscrew the lock, remove the u-shaped rubber ring and clean up the clutter. Check to see if the upper hole is suitable. The insertion of the riser should be marked first with the insertion length mark, then the soap liquid, the lock mother and the U rubber ring. When installing, put the vertical pipe up into the upper
