3701-31-04 (B)(6) / Equipment is maintained per manufacturers specifications.
Equipment was not maintained per manufacturers specifications INSTALL TWO WORKING WEIRS.
All equipment must be maintained in accordance with the manufacturers specifications.
3701-31-04 (B)(6)(c)(ii) / Backwash lines and lines from drainage sumps shall have an air gap and remain open to freely drain.
Repeat Backwash lines and lines from drainage sumps did not have an air gap prior to discharge
Open the lines that discharge into the backwash or drainage sumps so that there is an air gap and the lines can drain freely.PROVIDE AN AIR GAP FOR THE DRAIN FROM THE FILTERS THAT IS AT LEAST 4 INCHES (FOR THE LARGE PIPE) AND 2 INCHES FOR THE SMALL PIPES FROM THE CIRCULATION PIPE.