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Galvanised Mild Steel RMS Grating
Our Galvanised Mild Steel RMS Grating is engineered to meet the strict requirements of Roads and Maritime Services (RMS) in New South Wales, Australia.
Designed for high-load traffic environments such as highways, transport hubs, and civil infrastructure projects, these grates provide exceptional strength and reliability.
Fabricated from mild steel and finished with a hot-dip galvanised coating, this RMS-compliant grate offers excellent corrosion resistance and long service life. Built to comply with AS 3996 and RMS standards such as R11 and R16, this grating solution is ideal for managing stormwater while withstanding frequent vehicle and heavy truck traffic.
Technical Specifications
| Description | Frame (L x W x D mm) | Grate (L x W x D mm) | Clear Opening (L x W mm) |
|---|---|---|---|
| RMS SA Large G/F | 950 x 540 x 105 | 930 x 510 x 100 | 860 x 525 |
| RMS SA Small G/F | 955 x 380 x 105 | 930 x 355 x 90 | 840 x 370 |
| RMS SE G/F | 630 x 480 x 90 | 510 x 300 x 75 | 530 x 360 |
| RMS SO1 G/F | 860 x 670 x 100 | 830 x 740 x 90 | 700 x 760 |
| RMS SO2 G/F | 1710 x 770 x 100 | 1685 x 740 x 90 | 1550 x 760 |
| RMS Type F Double G/F | 640 x 640 x 75 | 610 x 610 x 75 | 630 x 520 |
Key Features
- RMS Compliant Design: Meets Roads and Maritime Services specifications (e.g. R11, R16).
- Heavy-Duty Galvanised Mild Steel: Hot-dip galvanised to AS/NZS 4680 for superior rust protection.
- High Load Class Rating: Rated up to Class D (210kN), suitable for roads, loading zones, and industrial use.
- Efficient Water Flow: Engineered grate pattern ensures optimal drainage while capturing debris.
- Secure Installation Options: Available in bolted, drop-in, or hinged configurations to prevent grate displacement.
- AS 3996 Certified: Manufactured to comply with Australian standards for access covers and grates.
Load Class Ratings (AS 3996 Compliant)
| Class | Typical Use | Nominal Wheel Load (kg) | Serviceability Design Load (kN) | Ultimate Limit State Design (kN) |
|---|---|---|---|---|
| A | Pedestrian areas only (e.g. walkways, backyards) | 330 | 6.7 | 10 |
| B | Residential driveways, footpaths, parks | 2,670 | 53 | 80 |
| C | Residential roads, low-speed car parks | 5,000 | 100 | 150 |
| D | Major roads, warehouses, loading docks | 8,000 | 160 | 210 |
| E | Freeways, heavy vehicle areas | 13,700 | 267 | 400 |
| F | Docks, wharfs, airport taxiways | 20,000 | 400 | 600 |
| G | Runways, ports, and high-load transport areas | 30,000 | 600 | 900 |
Applications
- Main Roads & Freeways – Withstands consistent heavy vehicle loads
- Transport Terminals & Freight Yards
- Industrial Estates & Warehousing
- Ports & Airports – Corrosion-resistant in coastal or chemical environments
- Public Infrastructure Projects