Method of constructing cold and hot water piping system

Abstract

Disclosed herein is a method of constructing a cold and hot water piping system which improves pipe construction ability and prevents cold and hot water pipes from being damaged. The method of the present invention includes the distributor connecting step (S 1 ) of connecting cold and hot water pipes ( 5 ) between an outside water source ( 1 ) and a distributor (S), the water service box disposing step (S 2 ) of disposing a water service box ( 9 ) at a desired place, and the water service box setting step (S 3 ). The water service box setting step (S 3 ) includes the steps of extending the cold and hot water pipes ( 5 ) of the distributor ( 3 ) to the water service box ( 9 ), fastening the cold and hot water pipes ( 5 ) to iron reinforcing bars ( 11 ) using fastening wires ( 13 ), and installing load support units on the iron reinforcing bars ( 11 ). The method of the present invention further includes the water tap coupling step (S 4 ).

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       14 . A method for constructing a cold and hot water piping system, comprising the steps of:
 a) connecting double pipes, which are cold and hot water pipes, between an outside water source and a distributor, said distributor including
 i) a case, having a box shape which is open at a front end thereof, installed in a wall of the building; 
 ii) a door coupled to the open front end of the case; 
 iii) a drain hole formed in a bottom of the distributor; and 
 iv) a drain water guide pipe coupled to the distributor such that the drain water guide pipe communicates at an upper end thereof with the drain hole of the distributor and is placed at a lower end thereof adjacent to a sewer outlet of the building; 
   b) disposing a water service box at a desired place, said water service box including a case, having pipe ports, and a door;   c) a water service box setting step, including the steps of
 i) extending the double pipes from the distributor to the water service box; 
 ii) fastening the double pipes to a plurality of iron reinforcing bars using fastening wires; and 
 iii) installing a plurality of load support units on the iron reinforcing bars at positions adjacent to the double pipes so as to support the double pipes; and 
   d) a water tap coupling step, including the steps of
 i) coupling first ends of flexible hoses, which couple the double pipes to water taps, to soft pipes, placed in the double pipes, using first reducing sockets inserted in pipe ports of the water service box; and 
 ii) coupling second ends of the flexible hoses to the water taps using second reducing sockets; 
   wherein the water service box includes a plurality of frictional protrusions provided on an outer surface of the door, a repair opening formed at a predetermined position through the door, a rim part provided on an inner edge of the door, defining the repair opening, and an openable plate coupled to the rim part of the door, with a plurality of socket insert holes formed in the openable plate so that the second reducing sockets, into which connection pipes of the water taps are inserted, are fitted into the respective socket insert holes of the openable plate.   
   
   
       15 . The method of  claim 1 , wherein the water service box disposing step comprises the step of installing the water service box, which includes the case having the pipe port and the door, at the desired position in a wall of the building, so that the water service box is integrated with the wall. 
   
   
       16 . The method of  claim 1 , wherein the distributor comprises the case, having a box shape which is open at the front end thereof, installed in the wall of the building, the door coupled to the open front end of the case, the drain hole formed in the bottom of the distributor, and the drain water guide pipe coupled to the distributor such that the drain water guide pipe communicates at the upper end thereof with the drain hole of the distributor and is placed at the lower end thereof adjacent to the sewer outlet of the building. 
   
   
       17 . The method of  claim 1 , wherein the water tap coupling step comprises the steps of:
 a) fitting valve socket seats into the door of the water service box;   b) coupling an end of each of the double pipes, which enter the water service box, to each of the valve socket seats using double pipe connection nuts;   c) coupling the soft pipe, placed in each of the double pipes, to a valve socket, provided in each of the valve socket seats, using soft pipe connection nuts; and   d) coupling the water tap to each of the valve sockets.   
   
   
       18 . The method of  claim 1 , wherein the water tap coupling step comprises the steps of:
 a) coupling the first ends of the flexible hoses, which couple the double pipes to the water taps, to the soft pipes placed in the double pipes, using the first reducing sockets inserted in the pipe ports of the water service box; and   b) coupling the second ends of the flexible hoses to the water taps using the second reducing sockets, wherein the water service box comprises
 i) frictional protrusions provided on the outer surface of the door; 
 ii) the repair opening formed at the predetermined position through the door; 
 iii) the rim part provided on the inner edge of the door defining the repair opening; and 
 iv) the openable plate coupled to the rim part of the door, with the socket insert holes formed in the openable plate so that the second reducing sockets, into which the connection pipes of the water taps are inserted, are fitted into the respective socket insert holes of the openable plate. 
   
   
   
       19 . The method of  claim 18 , wherein each of the flexible hoses is provided with a coil spring on an inner or outer surface thereof. 
   
   
       20 . The method of  claim 1 , wherein, in a case having no water service box, the method comprises the steps of:
 a) mounting an elbow to a front end of each double pipe;   b) fastening a support plate, into which a valve socket seat coupled to a front end of the elbow is fitted, to the wall;   c) coupling a front end of a soft pipe of the double pipe to a valve socket using a soft pipe connection nut, fitting the valve socket into the valve socket seat; and   d) coupling a water tap to the valve socket.   
   
   
       21 . The method of  claim 1 , further comprising the steps of:
 a) installing a pipe freezing prevention switch in a household distribution box disposed around the outside water source;   b) installing a temperature sensor in a water gauge box disposed ahead of the distributor;   c) coupling a removable plug unit to a box-built-in type electric plug socket provided under an upper surface of each water service box that is located at a side of the building; and   d) inserting heating wires, connected to the plug unit, into the respective double pipes.   
   
   
       22 . The method of  claim 1 , further comprising the steps of:
 a) providing a support box around lower portions of the cold and hot water pipes installed in the wall of the building; and   b) leading a heating pipe, installed in a floor of a room of the building, into the support box such that a portion of the heating pipe is placed adjacent to portions of the cold and hot water pipes which are placed in the support box.   
   
   
       23 . A method for constructing a cold and hot water piping system having a wall-built-in type boiler case assembly provided with a case and a case cover, the wall-built-in type boiler case assembly including a boiler holder provided on a rear wall of the case, a pipe insert hole formed through a lower surface of the case, a bracket provided on an outer surface of each corner of the case cover, a discharge pipe insert hole and an intake pipe insert hole formed through an upper end of the case cover, and a door, having vent holes and an opening and closing button therein, provided below both the discharge pipe insert hole and the intake pipe insert hole, so that the case cover is integrally coupled to the case, wherein the method includes the steps of:
 a) providing a piping box, which has a size appropriate to conduct piping work, below a boiler such that the piping box is integrated with the boiler case assembly; and   b) forming a wall chamber in a wall at a position corresponding to the piping box, arranging a double pipe, having an inner diameter larger than an outer diameter of a hot water pipe, from a lower end of the wall chamber to a distributor; and   arranging the hot water pipe along the double pipe, so that the hot water pipe is connected to the boiler through the wall chamber and the piping box, thus preventing the hot water pipe from being exposed outside.   
   
   
       24 . The method of  claim 23 , wherein the piping box comprises:
 a) a door provided on a front end of the piping box;   b) a cover plate coupled to a lower end of the piping box; and   c) a pipe insert hole formed through a rear wall of the piping box.   
   
   
       25 . The method of  claim 23 , wherein the piping box is separated from the boiler case assembly, so that the piping box is removably coupled to the boiler case assembly using locking members. 
   
   
       26 . The method of  claim 18 , wherein the openable plate and the flexible hoses are integrated with each other, such that a smooth opening or closing motion of the openable plate is conducted.