Examples of RUSLE cover management factors for construction sites Examples of RUSLE cover management factors for construction sites

Examples of RUSLE cover management factors for construction sites. Source: Northwest California Resource Conservation and Development District 2016.
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Vegetative cover	C factor	Percent reduction of soil loss
None (fallow ground)	1.0	0
Native vegetation (undisturbed)	0.01	99
Temporary ryegrass, 90% (perennial)	0.05	95
Temporary ryegrass, 90% (annuals)	0.1	90
Permanent seedlings (90%)	0.01	99
Sod (laid immediately)	0.01	99
Mulching (for slopes 2:1 or less)	C factor	Percent reduction of soil loss
Hay (0.5 tons/acre)	0.25	75
Hay (1.0 tons/acre)	0.13	87
Hay (1.5 tons/acre)	0.07	93
Hay (2.0 tons/acre)	0.02	98
Wood chips (6 tons/acre)	0.06	94
Wood cellulose (1.75 tons/acre)	0.10	90
Other	C factor	Percent reduction of soil loss
Competent gravel layer	0.05	95
Rolled erosion control fabrics	for slopes > 2:1; variable C by type