Changes

!<br>'''<u><span title="Note for Observation Column: S = Satisfactory; U= Unsatisfactory; NA = Not Applicable ">Observations*</u>'''<br>

!<br>'''<u><span title="Note for Observation Column: S = Satisfactory; U= Unsatisfactory; NA = Not Applicable ">Observations*</u>'''<br>

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|rowspan="6"|'''Site Preparation''' - after site clearing and grading, prior to BMP excavation and grading

|rowspan="4"|'''Site Preparation''' - During site preparation, prior to BMP installation

|Natural heritage system and tree protection areas remain fenced off

|Ensure the roof structure is ready for green roof construction work

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|ESCs protecting BMP layout area are installed properly

|BMP layout area and dimensions match approved design drawings

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|BMP layout area has been cleared and is staked/delineated

|Construction materials have been confirmed to meet design specifications

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|Benchmark elevation(s) are established nearby

|rowspan="1"|'''Leak detection System''' - After installation of leak detection system (if applicable), prior to installation of water-proofing membrane

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|Construction materials have been confirmed to meet design specifications

|Confirm that slopes conform with approved design drawings

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|rowspan="2"|'''BMP Excavation and Grading''' - prior to backfilling and installation of pipes/catchbasins

|rowspan="3"|'''Root barrier / Drainage layer and Overflow outlets''' – After installation of root barrier, drainage layer (including filter fabric) and overflow outlets, prior to installation of growing medium layer and plants

|Excavated soil is stockpiled outside the CDA

|Installation of drainage layer (e.g., depth and slope) is acceptable

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|Installations of overflow outlets (e.g., elevation and slope) are acceptable

|Excavation location, footprint, depth and slope are acceptable  

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|rowspan="6"|'''BMP Installation''' – after installation of pipes/catchbasins, prior to completion of backfilling

|rowspan="5"|'''Filter bed''' – After installation of filter bed (growing medium layer and plants)

|Structural components (e.g., pavement base, curbs) installation is acceptable

|Quality control check installation of any structural components of growing medium layer (if applicable)  

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|Impermeable liner installed correctly, if applicable

|Installation of growing medium (e.g., depth, elevations at overflow outlets) is acceptable

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|Installations of sub-drain pipes (e.g., locations, elevations, slopes), standpipes/monitoring wells are acceptable

|Growing medium is free of ruts, local depressions

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|Sub-drain trench dams installed correctly (location, elevation)  

|Planting material meets approved planting plan specifications (plant types and quantities)  

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|Surface coarse installation (elevation, slope, monitoring wells) is acceptable

|Quality control check installation of erosion matting/protection (if applicable)

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