QB1910553 - STG 1 19 Ind Units - Lot 13 (#64) - QB1910553 - MISC - Form 11 Final & Supporting Certificates - 26.11.2021 KW

 

Checked Satisfactory Action {if unsatisfactory) Initial

 

Base of system free from debris

 

Drainage layer (fine gravel} installedto | DR Yes
correct depth (+ 25 mm)

 

Transition layer (coarse sand) installed | DR Yes
to correct depth (+ 25 mm}

 

Placement of filter media completed to | DR Yes
avoid compaction of media and using
at least two lifts

 

 

 

 

Filter media installed to correct depth | OR Yes
Light, even compaction applied to DR Yes
remove air gaps (e.g. fight roller or
single pass with a ‘pozitrack’ bobcat)
Spreader bar used to flatten surface of | DR Yes
filter media

N/A N/A

Sediment fences in place

 

 

 

 

 

INSPECTION: Superintendent and bioretention designer inspection and sign-off to occur while installation of media is occurring.
Photos must be taken by the superintendent, the bioretention designer or the contractor,

 

Comments {attach and refer to additional pages if necessary)

 

 

 

 

NB: Laboratory test results, certification, delivery dockets and photos attached.

Signed by superintendent: bb~

Print name: ___ Doug Reynolds
Date: 06/10/2021

AND

Signed by bioretention designer:
Print name:

Date:
eee

FORM D — Finished Levels

 

  
 

 

 

Purpose: To ensure finished levels of system surface and bunds are correct and meet the design.

 

 

 

Items Checked Satisfactory Action {if unsatisfactory} Initial

 

 

 

 

 

CONSTRUCTION AND ESTABLISHMENT SIGN-OFF FORMS ~ BIORETENTION SYSTEMS 7

© South East Queensiand Healthy Waterways Partnership 2010