Changes

Manholes or maintenance hatches connected to infiltration chambers, or standpipe inspection ports connected to infiltration trench or soakaway perforated pipe that provide access for inspection and maintenance.  Should be installed at inlets and outlets at a minimum. Couplings used for standpipe connections should be 45° to facilitate pipe access by push camera and jet nozzle cleaning equipment.

Manholes or maintenance hatches connected to infiltration chambers, or standpipe inspection ports connected to infiltration trench or soakaway perforated pipe that provide access for inspection and maintenance.  Should be installed at inlets and outlets at a minimum. Couplings used for standpipe connections should be 45° to facilitate pipe access by push camera and jet nozzle cleaning equipment.

[[File:Infiltration Chamber Philadelphia.jpeg|800px|thumb|The above image depicts various types of infiltration chamber systems that can be installed underneath a impermeable surface, such as a parking lot or commercial property site (see table in Overview Section above for further details on each of the configurations shown). Note the observation well (or monitoring well) shown which provided access for inspection and maintenance (Philadelphia Water Department, 2020)<ref>Philadelphia Water Department. 2020. Stormwater Management Guidance Manual: Version 3.2. Accessed from: https://www.pwdplanreview.org/upload/manual_pdfs/PWD-SMGM-v3.2-20201001.pdf</ref>]]

[[File:Infiltration Chamber Edited.jpg|800px|]]

 

 

 

 

 

 

The above image depicts various types of infiltration chamber systems that can be installed underneath a impermeable surface,  

such as a parking lot or commercial property site (see table in Overview Section above for further details on each of the  

configurations shown). Note the observation well (or monitoring well) shown which provides access for general I&M of the BMP.  

 

 

===Ability to Meet Stormwater Criteria===

===Ability to Meet Stormwater Criteria===