- 110 -
��. GAS AND WATER.SEWAGE-SUPPLY
4. �� �� �� ��
���� : m
�� ��
Total
�� �� �� Aqueduct pipe
�� �� �� Transmission pipe
��
Sub-total
�� ��
Steel
��ö��
1)
Cast-iron
pipe
�� Ÿ
Others
��
Sub-total
�� ��
Steel
��ö��
1)
Cast-iron
pipe
�� Ÿ
Others
2009
629,726
-
-
-
-
7,336
7,336
-
-
2010
628,724
-
-
-
-
6,476
6,476
-
-
2011
604,149
-
-
-
-
6,476
6,476
-
-
2012
603,289
-
-
-
-
8,801
8,134
667
-
2013
606,392
-
-
-
-
8,801
8,135
667
-
2014
607,071
-
-
-
-
8,298
8,135
163
-
�ڷ� : ������������ ����������
�� : 1) ��ö���� ��Ÿ�ϰ��� ����
2) �ռ��������� PVC, PE, Hi-4P ����
