GRC
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Types and Durability
|
Description GRC |
Expected Lifespan (Years ) |
Adjustment Factors
|
|
General
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||
| Sprayed GRC with factory applied surface coating |
30
|
1st stage adjustment factor:
In industrial areas (heavy polluted): -15% of no. of years In urban areas: -10% of no. of years In suburban areas: no adjustment 2nd stage adjustment factor: Within 20m from express way: -20% of no. of years Within 20m from major arterial road: -10% of no. of years Within 20m from light traffic road: -5% of no. of years Test certificate from approved local testing authority : +15% of no. of years |
| Sprayed GRC with site applied surface coating |
25
|
|
| Premixed GRC with factory applied surface coating |
30
|
|
| Premixed GRC with site applied surface coating |
25
|
|
| Unclassified, i.e. GRP sheet/section not to BS 4154 Part 1, and/or not UV stabilized, and/or less than 1.83kg/m² weight/1 mm thickness. |
Uninsured
|
.
|
Combination of adjustment factors (1st stage and 2nd stage) should be added to obtain the durability values. Refer to durability calculator.