Pervious Backfill Type 3 and 5 (Rock)

Pervious Backfill Type III 10 mm
Main Uses:
Pervious Concrete Pavement Construction
Bedding layer for pipes
Foundation for sidewalks and culverts
Drainage layer
Dams and Reservoir
Canal Lining
Pervious Backfill Type V 10 - 200 mm
Standards:
ASTM C 131, 33
Abu Dhabi Municipality Specification, Al Ain Municipality Specification…….. etc
Department of Transportation (DOT) - Abu Dhabi
RTA (Roads and Transportation Authority) - Dubai
According to Various Department Standards, Developers and Highway Agencies Standards
Main Uses:
Pervious Concrete Pavement Construction
Foundation layer for road works
Drainage Layer
Soil Stabilizer
Improved Sub grade
Dams and Reservoir
Canal Lining
Mass Rock Filling
Mass Concrete
Pipe Surround, Drainage & Filter Material
Our road structure is
Geogrid
Subgrade 30 cm
Geotaxtile
Pervious Backfill type 3,,, 5cm
Type 5 (Rock) 15 cm
Geotaxtile
Subbase 20 +20cm
Asphlt

[@JP-sf5ti]

Thank you sir

[@amirwaziramirwazir]

what is the difference b/w type 3 and 5 backfill?

[@engrsam1250]

Where is the type 3 in the video??