TABLE 11.6 Skid Resistance Index

Condition

[SRI]

Average [SCRIM]
Reading

Description

 

 

 

 

Excellent

5.0

>10 pts above

No readings below investigatory level and average reading more 10 points above investigatory levels

Good

4.0

5 - 10 pts above

No readings below investigatory level and average reading 5 - 10 points above investigatory levels

Fair

3.3

0 -5 pts above

No readings below investigatory level and average reading 0 - 5 points above investigatory levels

Poor

2.4

0-15% below

Between 0 - 15% of the lane length is below investigatory levels

Critical

1.2

15-30% below

Between 15 - 30% of the lane length is below investigatory levels

Failed

0.8

>30% below

More than 30% of the lane length is below investigatory levels