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North - Central
sewerage network construction Jeddah /Saudi Arabia |
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45.195 Mt Sewerage 33.600 m Ǿ 200 sewerage,
7.070 m Ǿ 300 sewerage ,
2.675 m Ǿ 400 sewerage, 540 m Ǿ 500 sewerage
, 1550 m Ǿ 600 sewerage
2 nos 4 m dia shaftst , 2 nos 6 m dia shafts
1000 nos manholes
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