Information

  • Document No.

  • Audit Title

  • Client / Site

  • Conducted on

  • Prepared by

  • Location
  • Personnel

  • Weather conditions: temperature, rainfall, etc.

  • Date of last rainfall (approx)

  • Images of site (attach)

CIVIL COMPONENTS OF BIOFILTER TO INSPECT

INLET

  • Evidence of erosion

  • Blockage

  • Damage

  • Standing water

  • Maintenance undertaken

  • Further action required

OUTLET

  • Evidence of erosion

  • Blockage

  • Damage

  • Standing water

  • Outlet freely draining

  • Maintenance undertaken

  • Further action required

OTHER STRUCTURES (pits, pipes, access ramps, walls, rock protection)

  • Name the structure(s)

  • Evidence of erosion

  • Blockage

  • Damage

  • Maintenance undertaken

  • Further action required

BATTERS & BUNDS

  • Evidence of erosion

  • Maintenance undertaken

  • Further action required

SEDIMENT ACCUMULATION

  • Sediment forebay less than 75% full

  • Major sediment accumulation on surface of biofilter

  • Maintenance undertaken

  • Further action required

FILTER MEDIA SURFACE

  • Filter media is draining freely

  • Water ponding on surface of biofilter for more than 12 hours after rainfall

  • Impermeable or clayey surface on the filter media

  • Major surface crusting (<3mm depth across less than 10% of the filter area is permissible)

  • Surface scour

  • Depressions

  • Major algal growth (less than 10% of biofilter area is permissible)

  • Moss growth present

  • Maintenance undertaken

  • Further action required

INSPECTION OPENINGS

  • Water level is below filter media level

  • Sediment accumulation in underdrain system

  • Maintenance undertaken

  • Further action required

LANDSCAPE COMPONENTS

MULCH LAYER (where applicable)

  • Even depth and distribution of mulch layer

  • Surface of mulch layer is at least 100 mm below the top of the inlet and outlet.

  • Mulch is not touching the plant stems.

  • Maintenance undertaken

  • Further action required

VEGETATION

  • Greater than 90% vegetation cover on filter media

  • Greater than 90% vegetation cover

  • Less than 10% of the filter media surface covered in weeds.

  • Less than 10% of batters covered in weeds.

  • Plants healthy, free from disease and vigorously growing

  • Damage by pest animals

  • Damage by insects

  • Maintenance undertaken

  • Further action required

LITTER

  • Filter media and batters free of litter (i.e. less than 1 piece per 4 sqm)

  • Evidence of dumping (e.g. building waste)

  • Maintenance undertaken

  • Further action required

OIL SPILLS/INFLOWS

  • Evidence of oil spills/flows

  • Maintenance undertaken

  • Further action required

OVERVIEW

  • Overall inspection observations

  • Actions to be undertaken

  • Further comments

  • Time spent at site.

The templates available in our Public Library have been created by our customers and employees to help get you started using SafetyCulture's solutions. The templates are intended to be used as hypothetical examples only and should not be used as a substitute for professional advice. You should seek your own professional advice to determine if the use of a template is permissible in your workplace or jurisdiction. You should independently determine whether the template is suitable for your circumstances.