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Construction Site Handbook

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[English | 简体] Testing for drainage works

Please refer to below information for drainage works testing.

When describing or marking a spot on the internal circumference ( bore ) inside a horizontal pipeline , it is common to express the position by means of clock direction such as 1 o’clock , 5 o’clock , 9 o’clock , etc together with the distance measured from the manhole , pump house or a structure .

• Visual Inspection
• Smoke Test
• Air Test
• Water Test
• Infiltration Test
• Pigging
• Closed Circuit Television ( CCTV )

Testing for drainage works Sub-Pages