McGrath Quarries aggregates are manufactured in all our quarry locations in accordance with EN standards & National Road Authority Specifications. Extensive testing is conducted both inhouse & through external laboratories to ensure conformity.
| TII Specification for Roadworks Series 500 – Drainage & Service Ducts | TII Specification for Roadworks Series 600 – Earthworks | TII Specification for Roadworks Series 700 – Road Pavements – General | TII Specification for Roadworks Series 800 – Road Pavements – Unbound & Cement Bound Mixtures | Unbound Granular Fill (hardcore) for use Under Concrete Floors & Footpaths (SR21) |
|---|---|---|---|---|
| Clause 503 | Clause 6A | Clause 7H | Clause 803 | T0 Struc 0/125 mm |
| Clause 505 | Clause 6B | Clause 804 | T1 Struc 0/31.5 mm | |
| Clause 6C | Clause 806 | T2 Perm 4/40 mm | ||
| Clause 6F1 | Clause 808 | T3 Blind 0/4 mm | ||
| Clause 6F2 | ||||
| Clause 6I & 6J |
| O’Callaghan’s Mills Limestone | Kilfinane – Grey Wackey | ||
|---|---|---|---|
| Aggregates | Stone | Aggregates | Stone |
| 2/6 mm Crushed | 6 Inch Clean | 6 Inch Clean | |
| 4/10 mm Crushed | 6 Inch Down | 4/10 mm Crushed | 6 Inch Down |
| 4/10 mm Washed | 4 Inch Clean | 4 Inch Clean | |
| 6/10 mm Crushed | 4 Inch Down | 4 Inch Down | |
| 10/14 mm Crushed | 3 Inch Clean | 10/14 mm Crushed | 3 Inch Clean |
| 10/20 mm Crushed | 3 Inch Down | 10/20 mm Crushed | |
| 10/20 mm Washed | 2 Inch Clean | 2 Inch Clean | |
| 28 mm Crushed | 2 Inch Down | 2 Inch Down | |
| 40 mm Crushed | 1.5 Inch Clean | ||
| 31.5 mm Down | 1.5 Inch Down | 31.5 mm Down | 1.5 Inch Down |
| Building Sand | ¾ Inch Down | ||
| Plastering Sand | Armor Rock | Armor Rock | |
| Concrete Sand | Quarry Run | Concrete Sand | Crusher Run |
| Crusher Dust | Road Capping | Crusher Dust | Road Capping |