Inlet elevation of sewage treatment is changed according to U/G sanitary plumbing pipe elevation.The inlet elevation is marked on attachments and below things should be added also.1. The exact location of inlet lines (UPVC-SP from toilet, UPVC-WS from domestic WW)2. The exact location of outlet3. The outlet elevation should be checked. It should be located under inlet elevation. But there is error on vendor drawing and the elevation should be changed because of inlet elevation4. The section drawing of air blower and cabinet. On the drawing, only TOP view is provide. It is difficult to design foundation for air blower and cabinet. Please provide section view, weight, anchor location and typeGrease trap is already applied inside canteen building. Should it be installed 2ea inside & outside canteen?Please provide detailed vendor drawings, it is difficult to design.Thank you for your cooperation.
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