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Precast Grated Units

Making installation smarter and faster, the James Hardie range of precast grated units saves time and money. Made from precast steel reinforced concrete, the range includes road gully units, ‘V’ grates, standard grated frame units and converter roof slabs.

Road Gully Unit mm
FRC pipe riser to top of kerb 480
Lip of kerb to HardiePipe™ concrete pipe 370
Overall size 1200x890
Grate clear opening 500x300
Minirmum invert to surface level
- Up of kerb
- Top of kerb
880
990
Locating Ring mm
Clear opening 600 dia
Thickness 80


NOTE: Locating ring only to be used with the 1200mm Road Gully Unit.
*Including locating ring.
Rated Class D AS 3996.

V Grated Surround mm
Invert of channel to HardiePipe™concrete pipe 190
Lip of channel to HardiePipe™ concrete pipe 240
Rebate 60
Grate dear opening 600x600
Overall size 1000x1000

Minimum invert  to surface level

(with 100mm pipe)		 850

 

NOTE: Rated Class D to AS3996.

600mm X 600mm Grate And Frame (Lock-down) And Surround mm
Heavy Duty, Ugh! Duty. Class D 600x600
Sab tnickness 200
Minimum invert to surface level (from base of pit) 800
Overall size 900x900

 

900mm X 600mm Grata And Frame (Lock-down) And Surround mm
Heavy Duty, Light Duty, Class D 900x600
Sab thickness 200
Minimum invert to surface level (from base of pit) 800
Overall size 1200x900

 

Combo 600Mm - 750Mm Grate And Frame (Lockdown) And Surround Weight (kg) mm
Heavy Duty Grates 120 600x600
Light Duty Grates 110 600x600
Sab thickness   150
Minimum invert to surface level (from base ofpit)   700
Overall size   940x940

 

Road Gully Units

Road Gully Unit (RGU) 1.22m 2.4m 3.6m 4.8m
Depth at Lip 280mm 280mm 330mm 330mm
Overall height 400mm 400mm 450mm 450mm
 Weight  560kg 1360kg 2550kg 3500kg


NOTE: All lintels are available with left, centre, or right offset opening options.

Keysin Road Gully Unit (RGU) 1.3m 2.4m 3.6m 4.8m
Depth at Lip 290mm 290mm 290mm 290mm
Overall height 400mm 400mm 400mm 400mm
 Weight 1140kg 1680kg 2600kg 3200kg


NOTE: All lintels are available with left, centre, or right offset opening options.

James Hardie recommends you check with your local authority for grate specifications and
environmental signage compliance requirements.

Converter Roof Slabs
1050mm and 1200mm (ID) concrete converter roof slabs also available with 600mm circular hole and cast iron stormwater lid and frame.

About Us.

James Hardie is a world leader in fibre cement, developing quality, engineered solutions for building and drainage applications.

With our ongoing commitment to the development and integration of our fibre cement technology, James Hardie has emerged as one of the most progressive, innovative companies across the globe. The James Hardie product range combines high quality, cost effective building systems for residential and commercial buildings, and high performance pipeline products for above and below ground stormwater drainage applications. The benefits inherent in fibre cement continue to deliver real value to clients throughout design, installation, and operation.

Drainage Solutions

James Hardie Pipes recognise that drainage design benefits from the integration of quality componentry to provide a versatile and cost effective solution. This has been the driving force behind the intensive development of James Hardie’s range of pipes, fittings, pit systems, stormwater treatment devices, and product innovations such as the SlimDrain™ pavement system, slotted pipe system and median barrier. This comprehensive range enables designers to employ the cost benefits and performance levels of fibre reinforced concrete throughout stormwater drainage projects.

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