GRAF

Carat XXL Underground Rainwater Tank

Multi- Purpose: specifically developed for rainwater harvesting for use as a retention, firefighting, treated water, or septic tank system. \n \n Higher Capacity: available in.

Brand

GRAF

Range

Rainwater

Sizes

Lid types

Size

Lid / load class

Selected SKU

40.0001-P

Price on request

Talk to us

Upload plans on the quote form for civil sizing, pump station design, or treatment plant PE calculations.

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This product range is authorised to display the Australian Made logo. Tap the logo for the certificate PDF (tender packs and specifications).

Certified qualityISO 9001 · AS/NZS standards

Australian madeRotomoulded in Western Australia

15-year warrantyOn selected tank ranges

Recycled plasticsSustainable manufacturing

Typical applications

Residential

Commercial

Garden irrigation

Technical sizing

Size matrix & SKUs

72 technical rows - select above or quote directly

Load class

Pedestrian coverClass B vehicle coverClass D truck lidGrated pedestrianGrated Class BGrated Class D

KeyPedestrianClass BClass DClass BGrated

Size	Length	Width	Height	Weight	Lid / variant	Load class	Order no.
16,000 L	4,590 mm	2,500 mm	3,160 mm	770 kg	Pedestrian cover	Pedestrian	380811
16,000 L	4,590 mm	2,500 mm	3,160 mm	770 kg	Class B vehicle cover	Class B	380811
16,000 L	4,590 mm	2,500 mm	3,160 mm	770 kg	Class D truck lid	Class D	380811
16,000 L	4,590 mm	2,500 mm	3,160 mm	770 kg	Grated pedestrian	PedestrianGrated	380811
16,000 L	4,590 mm	2,500 mm	3,160 mm	770 kg	Grated Class B	Class BGrated	380811
16,000 L	4,590 mm	2,500 mm	3,160 mm	770 kg	Grated Class D	Class DGrated	380811
22,000 L	6,230 mm	2,500 mm	3,160 mm	1,025 kg	Pedestrian cover	Pedestrian	380812
22,000 L	6,230 mm	2,500 mm	3,160 mm	1,025 kg	Class B vehicle cover	Class B	380812
22,000 L	6,230 mm	2,500 mm	3,160 mm	1,025 kg	Class D truck lid	Class D	380812
22,000 L	6,230 mm	2,500 mm	3,160 mm	1,025 kg	Grated pedestrian	PedestrianGrated	380812
22,000 L	6,230 mm	2,500 mm	3,160 mm	1,025 kg	Grated Class B	Class BGrated	380812
22,000 L	6,230 mm	2,500 mm	3,160 mm	1,025 kg	Grated Class D	Class DGrated	380812
26,000 L	7,200 mm	2,500 mm	3,160 mm	1,125 kg	Pedestrian cover	Pedestrian	380813
26,000 L	7,200 mm	2,500 mm	3,160 mm	1,125 kg	Class B vehicle cover	Class B	380813
26,000 L	7,200 mm	2,500 mm	3,160 mm	1,125 kg	Class D truck lid	Class D	380813
26,000 L	7,200 mm	2,500 mm	3,160 mm	1,125 kg	Grated pedestrian	PedestrianGrated	380813
26,000 L	7,200 mm	2,500 mm	3,160 mm	1,125 kg	Grated Class B	Class BGrated	380813
26,000 L	7,200 mm	2,500 mm	3,160 mm	1,125 kg	Grated Class D	Class DGrated	380813
28,000 L	-	-	-	-	Pedestrian cover	Pedestrian	-
28,000 L	-	-	-	-	Class B vehicle cover	Class B	-
28,000 L	-	-	-	-	Class D truck lid	Class D	-
28,000 L	-	-	-	-	Grated pedestrian	PedestrianGrated	-
28,000 L	-	-	-	-	Grated Class B	Class BGrated	-
28,000 L	-	-	-	-	Grated Class D	Class DGrated	-
32,000 L	8,555 mm	2,500 mm	3,160 mm	1,370 kg	Pedestrian cover	Pedestrian	380814
32,000 L	8,555 mm	2,500 mm	3,160 mm	1,370 kg	Class B vehicle cover	Class B	380814
32,000 L	8,555 mm	2,500 mm	3,160 mm	1,370 kg	Class D truck lid	Class D	380814
32,000 L	8,555 mm	2,500 mm	3,160 mm	1,370 kg	Grated pedestrian	PedestrianGrated	380814
32,000 L	8,555 mm	2,500 mm	3,160 mm	1,370 kg	Grated Class B	Class BGrated	380814
32,000 L	8,555 mm	2,500 mm	3,160 mm	1,370 kg	Grated Class D	Class DGrated	380814
36,000 L	9,525 mm	2,500 mm	3,160 mm	1,470 kg	Pedestrian cover	Pedestrian	380815
36,000 L	9,525 mm	2,500 mm	3,160 mm	1,470 kg	Class B vehicle cover	Class B	380815
36,000 L	9,525 mm	2,500 mm	3,160 mm	1,470 kg	Class D truck lid	Class D	380815
36,000 L	9,525 mm	2,500 mm	3,160 mm	1,470 kg	Grated pedestrian	PedestrianGrated	380815
36,000 L	9,525 mm	2,500 mm	3,160 mm	1,470 kg	Grated Class B	Class BGrated	380815
36,000 L	9,525 mm	2,500 mm	3,160 mm	1,470 kg	Grated Class D	Class DGrated	380815
38,000 L	-	-	-	-	Pedestrian cover	Pedestrian	-
38,000 L	-	-	-	-	Class B vehicle cover	Class B	-
38,000 L	-	-	-	-	Class D truck lid	Class D	-
38,000 L	-	-	-	-	Grated pedestrian	PedestrianGrated	-
38,000 L	-	-	-	-	Grated Class B	Class BGrated	-
38,000 L	-	-	-	-	Grated Class D	Class DGrated	-
42,000 L	10,880 mm	2,500 mm	3,160 mm	1,715 kg	Pedestrian cover	Pedestrian	380816
42,000 L	10,880 mm	2,500 mm	3,160 mm	1,715 kg	Class B vehicle cover	Class B	380816
42,000 L	10,880 mm	2,500 mm	3,160 mm	1,715 kg	Class D truck lid	Class D	380816
42,000 L	10,880 mm	2,500 mm	3,160 mm	1,715 kg	Grated pedestrian	PedestrianGrated	380816
42,000 L	10,880 mm	2,500 mm	3,160 mm	1,715 kg	Grated Class B	Class BGrated	380816
42,000 L	10,880 mm	2,500 mm	3,160 mm	1,715 kg	Grated Class D	Class DGrated	380816
46,000 L	11,850 mm	2,500 mm	3,160 mm	1,815 kg	Pedestrian cover	Pedestrian	380817
46,000 L	11,850 mm	2,500 mm	3,160 mm	1,815 kg	Class B vehicle cover	Class B	380817
46,000 L	11,850 mm	2,500 mm	3,160 mm	1,815 kg	Class D truck lid	Class D	380817
46,000 L	11,850 mm	2,500 mm	3,160 mm	1,815 kg	Grated pedestrian	PedestrianGrated	380817
46,000 L	11,850 mm	2,500 mm	3,160 mm	1,815 kg	Grated Class B	Class BGrated	380817
46,000 L	11,850 mm	2,500 mm	3,160 mm	1,815 kg	Grated Class D	Class DGrated	380817
48,000 L	-	-	-	-	Pedestrian cover	Pedestrian	-
48,000 L	-	-	-	-	Class B vehicle cover	Class B	-
48,000 L	-	-	-	-	Class D truck lid	Class D	-
48,000 L	-	-	-	-	Grated pedestrian	PedestrianGrated	-
48,000 L	-	-	-	-	Grated Class B	Class BGrated	-
48,000 L	-	-	-	-	Grated Class D	Class DGrated	-
52,000 L	13,205 mm	2,500 mm	3,160 mm	2,060 kg	Pedestrian cover	Pedestrian	380818
52,000 L	13,205 mm	2,500 mm	3,160 mm	2,060 kg	Class B vehicle cover	Class B	380818
52,000 L	13,205 mm	2,500 mm	3,160 mm	2,060 kg	Class D truck lid	Class D	380818
52,000 L	13,205 mm	2,500 mm	3,160 mm	2,060 kg	Grated pedestrian	PedestrianGrated	380818
52,000 L	13,205 mm	2,500 mm	3,160 mm	2,060 kg	Grated Class B	Class BGrated	380818
52,000 L	13,205 mm	2,500 mm	3,160 mm	2,060 kg	Grated Class D	Class DGrated	380818
56,000 L	14,175 mm	2,500 mm	3,160 mm	2,160 kg	Pedestrian cover	Pedestrian	380819
56,000 L	14,175 mm	2,500 mm	3,160 mm	2,160 kg	Class B vehicle cover	Class B	380819
56,000 L	14,175 mm	2,500 mm	3,160 mm	2,160 kg	Class D truck lid	Class D	380819
56,000 L	14,175 mm	2,500 mm	3,160 mm	2,160 kg	Grated pedestrian	PedestrianGrated	380819
56,000 L	14,175 mm	2,500 mm	3,160 mm	2,160 kg	Grated Class B	Class BGrated	380819
56,000 L	14,175 mm	2,500 mm	3,160 mm	2,160 kg	Grated Class D	Class DGrated	380819

Catalogue includes some AU/project capacities that are not listed in the standard manufacturer table; those rows remain quote-only for dimensions.

Technical data source: GRAF Carat XXL manufacturer sizing table

Full specification

Product details

Key construction, installation and performance notes for Carat XXL Underground Rainwater Tank.

Overview

Multi- Purpose: specifically developed for rainwater harvesting for use as a retention, firefighting, treated water, or septic tank system.

Higher Capacity: available in sizes from 16,000L to 122,000L. Standard “off the shelf” sizes are available up to 52,000L, with customised options available to 122,000L - just contact us!

Lightweight: lighter than an equal tank made from concrete or steel.

Multiple Access Domes: available for varying configurations.

Lid Options: pedestrian, class B or D loading with grated options.

Ladders: access ladders available.

Warranty: GRAF Carat XXL tanks are supported by a 15-year manufacturers' warranty.

Specification focus

Technical documents