- 111 -
¥µ.
°¡½º ¹× »óÇϼöµµ
Public Water Pipe
Unit : m
¹è ¼ö °ü Conduit pipe
±Þ ¼ö °ü Water supply pipe
°è
Sub-total
° °ü
Steel
ÁÖö°ü
1)
Cast-iron
pipe
±â Ÿ
Others
°è
Sub-total
¾Æ¿¬µµ°°ü
Galvanized
steel
µ¿ °ü
Copper
½ºÅ×Àθ®½º°ü
Stainless
steel
ÇÕ ¼º
¼öÁö°ü
2)
Plastic
±â Ÿ
Others
435,852 15,308 360,293 60,251 186,538
235
-
182,565
- 3,738 2009
436,292 16,082 360,699 59,511 185,956
225
-
181,665
35 4,031 2010
421,603 16,093 351,424 54,086 176,070
159
-
171,808
35 4,068 2011
418,923 15,292 349,667 53,964 175,565
144
-
171,203
35 4,183 2012
422,793 15,300 353,804 53,689 174,797
144
-
170,103
35 4,517 2013
424,599 15,415 355,826 53,358 174,175
-
-
169,794
- 4,381 2014
Source : Seoul Waterworks Authority Computer & Information Division
Note : 1) Includes ductile iron pipe.
2) In plastic pipe, Including PVC. PE, Hi-4P.