The design of the author's concrete chwisasil washroom laundry bathroom tall buildings to accommodate Earl ants chetong relates to general formula connecting pipe ism era, going the growing establishment of concrete expression highrise buildings housing stock Life is moving in a high-rise building chwisasil washroom laundry Bathroom tall drainpipe, such as a soil common pipe and the pipe water supply various kinds of food for use in high-rise buildings drainpipe between such pipes 3m by a rubber packing and connected to a strongly bonded adhesive to the plastic Torii wheel and the public.What chwisasil according to their convenience note food waste washroom contaminants in various life equipment in the laundry room, bathroom is poured into a dumping of the habit days between the high-rise sewer pipe connecting portion blocked by contaminants or pollutants and decay contaminants in storm sewer hole soars to ungdeong is increased or decreased the width of the pressure up in the coming days Blockage by sobbing material spring cleaner, etc. ssuseok ssuseok teocheo that the operation is inconvenient time, or underground sewer pipe holes odor smell in the underground sewer pipe hole in the sobbing water-corruption clogged with corruption pollutants are an obstacle to birds and living environment sanitation or is configured to solve the problems of water entering the water pollution the river water in the decay contaminants and pollutants first circle is also not sokmyeon chetong 10cm⑥ length 30.144cm⑤ chetong length of the length field chetong circle contaminants to 10cm front body holes in the left hand source the length from contamination in the contaminant passing through the 0.314mm⑦ as the completely bateo and to handle collection of contaminants in hand madui length safety contaminants first the length of the propagation distance mail center circle 33.284cm⑨ third FIG left hand The length of the propagation distance postal center won 33.284cm The medium is the power of the general formula jeonpaseol drainage fourth Postal original stern horn length 50cm The length of the original mail 32.656cm Contaminants to flow unity unfamiliar contaminants underground sewer pipe to internal contamination may be the prevention of the disorder and myeolsal the lives of fish and microorganisms and the oxygen flows in the river water in the hydrogen water pollution prevention and water in the river water.