Table NGA2.2 summarises asphalt surface material reinstatement options.
Reference should be made to A2 for details, specific requirements and any restrictions.
| Existing | Road type 0&1 | Road type 2 | Road type 3&4 | Footway, footpath and cycle track |
|---|---|---|---|---|
| If the existing surfacing is HRA or AC, HRA mixtures described on the right are acceptable. If the existing is TSCS or SMA the use of HRA is by agreement | HRA 30/14 F surf PMB des WTR2*** | HRA 30/14 C surf 40/60 des* | HRA 30/10 F surf 40/60 rec | HRA 15/10F surf 100/150 rec |
| HRA 30/14 C surf 40/60* des WTR2*** | HRA 30/14 F surf 40/60 rec | HRA 30/14 C surf 40/60 des* | HRA 30/10 F surf 40/60 rec | |
| HRA 35/14 F surf PMB des WTR2*** | HRA 30/14 F surf 40/60 des | HRA 30/14 F surf 40/60 rec | HRA 30/10 F surf 70/100 rec | |
| HRA 35/14 F surf 40/60 des WTR2*** | HRA 35/14 F surf 40/60 des | HRA 30/14 F surf 40/60 des | HRA 30/10 F surf 100/150 rec | |
| - | HRA 35/14 F surf 40/60 rec | HRA 35/14 F surf 40/60 des | - | |
| - | - | HRA 55/10 F surf 40/60 des | - | |
| - | - | HRA 55/10 F surf 100/150 des | - | |
| - | - | HRA 55/14 F surf 40/60 des | - | |
| - | - | HRA 55/14 F surf 100/150 des | - | |
| If the existing surfacing is SMA/TSCS or AC, the SMA mixtures described on the right are acceptable | SMA 14 surf PMB WTR2*** | SMA 14 surf PMB | SMA 14 surf PMB | SMA 6 surf 40/60 |
| SMA 14 surf 40/60 WTR2*** | SMA 14 surf 40/60 | SMA 14 surf 40/60 | SMA 6 surf 70/100 | |
| SMA 10 surf PMB WTR2*** | SMA 14 surf 100/150 | SMA 14 surf 100/150 | SMA 6 surf 100/150 | |
| SMA 10 surf 40/60 WTR2*** | SMA 10 surf PMB | SMA 10 surf PMB | - | |
| SMA 6 surf PMB* WTR2*** | SMA 10 surf 40/60 | SMA 10 surf 40/60 | - | |
| SMA 6 surf 40/60* des WTR2*** | SMA 10 surf 100/150 | SMA 10 surf 100/150 | - | |
| - | SMA 6 surf PMB* | SMA 6 surf PMB* | - | |
| - | SMA 6 surf 40/60* | SMA 6 surf 40/60* | - | |
| - | SMA 6 surf 100/150* | SMA 6 surf 100/150* | - | |
| If the existing surfacing is AC the AC mixtures described on the right are acceptable | AC10 close surf 100/150 WTR2*** | AC10 close surf 100/150 | AC10 close surf 100/150 | AC10 close surf 100/150** |
| - | - | - | AC6 close surf 100/150 | |
| If the existing surfacing is SMA/TSCS | TSCS if required by the authority | |||
| * Only by agreement ** if trench is in carriageway and extends to the footway (maximum continuous 10 linear m or 4 m2 or by agreement) *** WTR1 is permitted for road type 1 for locations outside heavily stressed areas |
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