22-05-23 Operational Management and Maintenance Plan_Issue A

FORM C — BIORETENTION MEDIA

Purpose: To ensure that the media placed in the system meets the required specifications and that there is a record of the
media being delivered to site.

To ensure media layers are installed correctly and meet the design and specification requirements.

SOURCING, TESTING AND SUPPLYING BIORETENTION MEDIA

ACTION (IF

DRAINAGE LAYER CHECKED SATISFACTORY, UNSATISFACTORY)

INITIAL

Meets the specifications |

Meets the required hydraulic
conductivity (4,000 mm/hr)

Delivery supply docket certifies that the

 

material delivered is the material tested
(delivery docket attached)

TRANSITION LAYER SUPPLY

Meets the specifications

 

Supplier certification provided
(certification attached)

 

 

Delivery supply docket certifies that the
material delivered is the material tested |
(delivery docket attached) |

 

 

 

FILTER MEDIA SUPPLY

Meets the FAWB's Guideline
Specifications for Soil Media in
Bioretention Systems (2008)

Meets the required hydraulic
conductivity (100-500 mm/hr, 750 mm/hr
maximum)

Frequency of laboratory testing
completed in accordance with Section 3.5
(results of testing attached)

Supplier certification provided
(certification attached)

Delivery supply docket certifies that the
material delivered is the material tested
(delivery docket attached)

HOLD POINT: Superintendent or bioretention designer inspection and review of test results and certifications before proceeding.

Comments (attach and refer to additional pages if necessary)