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

Zalety zbiorników CGH Group

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]	SHELL DIMENSIONS		TANK WEIGHT
		SHELL DIMENSIONS		Single-wall [kg]	Double-wall [kg]
		Length Lp [mm]	Height H [mm]	Single-wall [kg]	Double-wall [kg]
3 m³	Ø1600	2260	1770	723	1039
5 m³	Ø1600	3260	1770	934	1351
8 m³	Ø1600	4760	1770	1 250	1817
10 m³	Ø1600	5760	1770	1 461	2129
13 m³	Ø1600	7260	1770	1 779	2597
16 m³	Ø1600	8760	1770	2 096	3066
10 m³	Ø2000	3880	2170	1 523	2146
13 m³	Ø2000	4880	2170	1 836	2586
16 m³	Ø2000	5880	2170	2 150	3025
20 m³	Ø2000	6880	2170	2 466	3466
25 m³	Ø2000	8880	2170	3 093	4345
30 m³	Ø2000	10380	2170	3 617	5057
35 m³	Ø2000	11880	2170	4 088	5716
15 m³	Ø2150	4 990	2320	1 991	3 307
19 m³	Ø2150	5 990	2320	2 329	3 870
20 m³	Ø2150	6 490	2320	2 497	4 151
22 m³	Ø2150	6 990	2320	2 666	4 431
30 m³	Ø2150	8 990	2320	3 398	5 614
35 m³	Ø2150	10 490	2320	3 904	6 458
37 m³	Ø2150	10 990	2320	4 072	6 739
40 m³	Ø2150	11 990	2320	4 411	7 302
42 m³	Ø2150	12 490	2320	4 579	7 583
46 m³	Ø2150	13 490	2320	4 973	8 202
16 m³	Ø2200	5 010	2 370	2 044	3 398
20 m³	Ø2200	6 010	2 370	2 389	3 974
25 m³	Ø2200	7 510	2 370	2 907	4 837
31 m³	Ø2200	9 010	2 370	3 486	5 762
35 m³	Ø2200	10 510	2 370	4 003	6 625
40 m³	Ø2200	11 510	2 370	4 349	7 201
46 m³	Ø2200	13 010	2 370	4 926	8 123
50 m³	Ø2200	14 010	2 370	5 271	8 699
20 m³	Ø2500	5020	2670	2 366	3962
25 m³	Ø2500	6020	2670	2 757	4615
30 m³	Ø2500	7020	2670	3 150	5269
40 m³	Ø2500	9020	2670	4 002	6645
50 m³	Ø2500	11020	2670	4 788	7954
60 m³	Ø2500	13020	2670	5 640	9329
70 m³	Ø2500	15020	2670	6 444	10657
40 m³	Ø2900	7130	3070	4 286	6831
50 m³	Ø2900	8630	3070	5 154	8155
60 m³	Ø2900	10130	3070	5 947	9403
70 m³	Ø2900	11630	3070	6 761	10672
80 m³	Ø2900	13130	3070	7 631	11998
100 m³	Ø2900	16130	3070	9 215	14493
120 m³	Ø3000	18150	3170	10 815	16926

Underground tanks compliant with EN 12285-1, Class B.

CAPACITY V [m³]	DIAMETER Dz [mm]	SHELL DIMENSIONS		TANK WEIGHT
		SHELL DIMENSIONS		Single-wall [kg]	Double-wall [kg]
		Length Lp [mm]	Height H [mm]	Single-wall [kg]	Double-wall [kg]
3 m³	Ø1600	2 260	1 770	739	1 055
5 m³	Ø1600	3 260	1 770	950	1 367
8 m³	Ø1600	4 760	1 770	1 265	1 833
10 m³	Ø1600	5 760	1 770	1 476	2 144
13 m³	Ø1600	7 260	1 770	1 794	2 613
16 m³	Ø1600	8 760	1 770	2 112	3 081
10 m³	Ø2000	3 880	2 170	1 538	2 162
13 m³	Ø2000	4 880	2 170	1 852	2 601
16 m³	Ø2000	5 880	2 170	2 166	3 040
20 m³	Ø2000	6 880	2 170	2 481	3 482
25 m³	Ø2000	8 880	2 170	3 108	4 360
30 m³	Ø2000	10 380	2 170	3 633	5 073
35 m³	Ø2000	11 880	2 170	4 103	5 732
15 m³	Ø2150	4 990	2 320	2 288	3 604
19 m³	Ø2150	5 990	2 320	2 680	4 221
20 m³	Ø2150	6 490	2 320	2 875	4 529
22 m³	Ø2150	6 990	2 320	3 071	4 837
30 m³	Ø2150	8 990	2 320	3 911	6 127
35 m³	Ø2150	10 490	2 320	4 498	7 052
37 m³	Ø2150	10 990	2 320	4 694	7 360
40 m³	Ø2150	11 990	2 320	5 086	7 977
42 m³	Ø2150	12 490	2 320	5 281	8 285
46 m³	Ø2150	13 490	2 320	5 729	8 959
16 m³	Ø2200	5 010	2 370	2 348	3 703
20 m³	Ø2200	6 010	2 370	2 749	4 334
25 m³	Ø2200	7 510	2 370	3 350	5 280
31 m³	Ø2200	9 010	2 370	4 012	6 288
35 m³	Ø2200	10 510	2 370	4 612	7 234
40 m³	Ø2200	11 510	2 370	5 013	7 865
46 m³	Ø2200	13 010	2 370	5 673	8 870
50 m³	Ø2200	14 010	2 370	6 074	9 502
20 m³	Ø2500	5 020	2 670	2 720	4 315
25 m³	Ø2500	6 020	2 670	3 174	5 031
30 m³	Ø2500	7 020	2 670	3 630	5 749
40 m³	Ø2500	9 020	2 670	4 607	7 250
50 m³	Ø2500	11 020	2 670	5 519	8 685
60 m³	Ø2500	13 020	2 670	6 496	10 186
70 m³	Ø2500	15 020	2 670	7 426	11 639
40 m³	Ø2900	7 130	3 070	5 407	7 952
50 m³	Ø2900	8 630	3 070	6 494	9 494
60 m³	Ø2900	10 130	3 070	7 506	10 962
70 m³	Ø2900	11 630	3 070	8 538	12 449
80 m³	Ø2900	13 130	3 070	9 626	13 993
100 m³	Ø2900	16 130	3 070	11 648	16 926
120 m³	Ø3000	18150	3 170	13 640	19 751

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

Underground tanks in accordance with AD2000

CAPACITY V [m³]	DIAMETER Dz [mm]	SHELL DIMENSIONS		TANK WEIGHT
		SHELL DIMENSIONS		Single-wall [kg]	Double-wall [kg]
		Length Lp [mm]	Length H [mm]	Single-wall [kg]	Double-wall [kg]
120 m³	Ø2900	18 950	3 140	14 543	20 732
120 m³	Ø3000	18 150	3 240	13 910	20 021
150 m³	Ø3200	19 750	3 440	18 041	25 110
200 m³	Ø3200	26 250	3 440	23 765	30 834
150 m³	Ø3400	17 790	3 640	17 681	24 531
200 m³	Ø3400	23 290	3 640	22 897	31 705
250 m³	Ø3400	28 790	3 640	27 943	38 710
300 m³	Ø3400	34 290	3 640	33 499	46 224
150 m³	Ø3600	15 870	3 840	16 974	23 527
200 m³	Ø3600	20 870	3 840	22 047	30 485
250 m³	Ø3600	25 870	3 840	27 121	37 444
300 m³	Ø3600	30 370	3 840	31 535	43 555

* 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.