Specifications include, but are not limited to: G1120 Excavation, without classification (for pipe) Cubic Yds 626.0 0.0 G1500 Double-ring infiltrometer tests Each 11.0 0.0 G3000 HDPE anti-seep collars Each 34.0 0.0 G3002 Geomembrane pipe penetration Each 8.0 0.0 G3008 8 inch solid HDPE pipe Linear Ft 169.0 0.0 G3009 8 inch perforated HDPE pipe Linear Ft 385.0 0.0 G3013 12 inch perforated HDPE pipe Linear Ft 25.0 0.0 G3112 12 inch solid PP pipe Linear Ft 99.0 0.0 G3113 12 inch perforated PP pipe Linear Ft 1,676.0 0.0 G3308 8 inch solid PVC pipe Linear Ft 268.0 0.0 G3708 8 inch DI pipe Linear Ft 1,204.0 0.0 G3712 12 inch DI pipe Linear Ft 20.0 0.0 G3726 Shallow 8" DI pipe, concrete encased Linear Ft 36.0 0.0 G4002 Backfill, 2A Cubic Yds 569.0 0.0 G4057 Furnish and place AASHTO #57 stone wrapped in geotextile Cubic Yds 4,673.0 0.0 G4059 Impermeable geomembrane Liner Sq Yds 715.0 0.0 G4100 Furnish and place sand filter layer Cubic Yds 468.0 0.0 G4410 Concrete check dam Each 2.0 0.0