Underground tanks

CGH Group’s underground fuel tanks are innovative solutions that combine reliability, safety, and compliance with the latest European standards. They are double-wall steel tanks, designed for the storage of flammable materials and substances harmful to groundwater, such as fuels and chemicals. Thanks to their double-wall construction, modern monitoring systems, and advanced anti-corrosion protection, CGH Group tanks offer the highest standard in the industry.

Application of CGH tanks

Fuel stations:
Guaranteed continuity of supply and safe storage

Fuel depots:
Optimisation of large logistics operations

Airports:
Storage of aviation fuels in compliance with rigorous standards

Industry:
Storage of chemicals and other production materials

Intended use

Storage of flammable or non-flammable liquid materials

Storage of materials harmful and non-harmful to the environment with a density of up to 1.1 kg/dm³ for EN 12285-1 Class A tanks and up to 1.9 kg/dm³ for EN 12285-1 Class B tanks.

Dane techniczne zbiorników paliwowych podziemnych CGH

Detailed technical specification

Description:

Technical documentation for fuel depot tanks agreed with notified bodies.
Material: S235JR in accordance with EN10025-1, optionally 1.4307, 1.4404
Other parameters available on customer request.

Capacity:

Dokumentacja techniczna uzgodniona z UDT i GUM w zakresie do 5-ciu komór i 120m3

Manufacturing standard:

EN 12285-1 w klasie A lub B lub wg AD 2000

Operating pressure:

max 0,5 bar

Operating temperature:

od -20°C do + 50°C

Key advantages of CGH tanks

Double-wall construction:
Two steel shells provide maximum protection against leaks and environmental contamination.

Anti-corrosion protection: – Shot blasting to class Sa 2.5 according to PN-ISO 8501-1. – Polyurethane coating resistant to puncture up to 10 kV.

Leak-detection systems:
Continuous monitoring ensures immediate identification of leaks and reduces operational risks.

Compliance with international standards:
EN 12285-1 (Class A and B) and AD 2000.

Customisation:
Available as single-, multi-compartment and non-standard tanks tailored to specific requirements.

Underground tanks in accordance with EN12285-1 class A

Capacity V [m³]	Diameter Dz [mm]	WYMIARY KORPUSU		Tank height with Speed Chassis [mm]	Double-wall tank weight [kg]	GRUBOŚĆ PŁASZCZA		Additional compartment weight [kg]	Tank width with Speed Chassis [mm]	Number of straps [pcs]
		WYMIARY KORPUSU				Inner S1 [mm]Inner	. S2 [mm]
		Length Lp [mm]	Length H [mm]			Inner S1 [mm]Inner	. S2 [mm]
3 m³	Ø1600	2260	1770	2170	1039	5	3	351	1750	1
5 m³	Ø1600	3260	1770	2170	1351	5	3	351	1750	1
8 m³	Ø1600	4760	1770	2170	1817	5	3	351	1750	1
10 m³	Ø1600	5760	1770	2170	2129	5	3	351	1750	1
13 m³	Ø1600	7260	1770	2170	2597	5	3	351	1750	2
16 m³	Ø1600	8760	1770	2170	3066	5	3	351	1750	2
10 m³	Ø2000	3880	2170	2570	2146	6	3	522	2180	1
13 m³	Ø2000	4880	2170	2570	2586	6	3	522	2180	2
16 m³	Ø2000	5880	2170	2570	3025	6	3	522	2180	2
20 m³	Ø2000	6880	2170	2570	3466	6	3	522	2180	2
25 m³	Ø2000	8880	2170	2570	4345	6	3	522	2180	3
30 m³	Ø2000	10380	2170	2570	5057	6	3	522	2180	3
35 m³	Ø2000	11880	2170	2570	5716	6	3	522	2180	3
20 m³	Ø2500	5020	2670	3070	3962	6	3	730	2700	2
25 m³	Ø2500	6020	2670	3070	4615	6	3	730	2700	2
30 m³	Ø2500	7020	2670	3070	5269	6	3	730	2700	3
40 m³	Ø2500	9020	2670	3070	6645	6	3	730	2700	3
50 m³	Ø2500	11020	2670	3070	7954	6	3	730	2700	3
60 m³	Ø2500	13020	2670	3070	9329	6	3	730	2700	4
70 m³	Ø2500	15020	2670	3070	10657	6	3	730	2700	4
40 m³	Ø2900	7130	3070	3470	6831	7	4	1045	3080	3
50 m³	Ø2900	8630	3070	3470	8155	7	4	1045	3080	3
60 m³	Ø2900	10130	3070	3470	9403	7	4	1045	3080	4
70 m³	Ø2900	11630	3070	3470	10672	7	4	1045	3080	4
80 m³	Ø2900	13130	3070	3470	11998	7	4	1045	3080	5
100 m³	Ø2900	16130	3070	3470	14493	7	4	1045	3080	6
120 m³	Ø3000	18150	3170	3570	16926	7	4	1108	15500	7

* Total length within a tolerance of +/-1% in accordance with the standard

Underground tanks in accordance with AD2000

Capacity V [m³]	Diameter Dz [mm]	WYMIARY KORPUSU		Tank height with Speed Chassis [mm]	Double-wall tank weight [kg]	Thickness		Additional compartment weight [kg]	Tank width with Speed Chassis [mm]	Number of straps [pcs]
		WYMIARY KORPUSU				Inner S1 [mm]Inner	. S2 [mm]
		Length Lp [mm]	Length H [mm]			Inner S1 [mm]Inner	. S2 [mm]
120 m³	Ø2900	18950	3140	3540	20732	9	4	1289	3080	8
120 m³	Ø3000	18150	3240	3640	20021	9	4	1367	3180	7
150 m³	Ø3200	19750	3440	–	25110	10	4	1671	–	**
200 m³	Ø3200	26250	3440	–	30834	10	4	1671	–	**
150 m³	Ø3400	17790	3640	–	24531	10	4	1862	–	**
200 m³	Ø3400	23290	3640	–	31705	10	4	1862	–	**
250 m³	Ø3400	28790	3640	–	38710	10	4	1862	–	**
300 m³	Ø3400	34290	3640	–	46224	10	4	1862	–	**
150 m³	Ø3600	15870	3840	–	23527	10	5	2064	–	**
200 m³	Ø3600	20870	3840	–	30485	10	5	2064	–	**
250 m³	Ø3600	25870	3840	–	37444	10	5	2064	–	**
300 m³	Ø3600	30370	3840	–	43555	10	5	2064	–	**

* Total length within a tolerance of +/-1% according to the standard
** The number of straps is selected individually for the project
Other tank sizes are available upon request.
We offer top-quality underground tanks, fuel tanks for storing flammable and non-flammable liquid materials.

Optional equipment

Drive-over covers to class C 250 kN and D 400 kN
On-tank sumps
Central drain sumps
Hot-dip galvanised anchoring straps
Leak tightness monitoring systems
Fuel level monitoring systems

External tank surface

Shot-blasted to Sa 2.5 in accordance with PN-ISO 8501-1
Anti-corrosion protection with polyurethane coating resistant to 10 kV dielectric breakdown

Leak tightness test:

Compressed air leak tightness tests for the inner tank / interstitial space are carried out in accordance with the parameters given in the table below. For tanks with parameters other than standard, the test pressures and types of tests are adapted to the applicable standards and regulations.