Adjusting Dimension X - GOK GWG Serie Manual Del Usuario

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Filling and water control in Germany
According to § 23 "Requirements for filling and draining" of the Ordinance on Installations for
Handling Substances Hazardous to Water (AwSV), this applies to Germany:
"(1) The person filling or draining an installation shall be obliged to monitor this process and
to make sure, prior to starting any work, that the required safety equipment is in a proper
condition. The admissible exposure limits of the installations and safety equipment must be
adhered to when filling or draining."
(2) Tanks in installations for handling liquid substances hazardous to water may only be filled
with fixed pipe connections using an overfill protection.
(3) Tanks in fuel storage installations may only be filled from road tankers, demountable tanks
and portable tanks using an automatically closing filling safety device. Fuel oil consumer
systems with a volume of up to 1.25 m
notwithstanding sentence 1."

ADJUSTING DIMENSION X

The tables of the manual issue 2 regarding the adjusting dimension X are based on a level L
for the length of the filler line to 20m. Level L
If, for storing, filling, and handling water-hazardous substances, the filler line on the
installation is longer than 20m, the level L
Criterion:
• Overrun volume in the filler line
• the adjusting dimension X must be re-determined according to the special conditions
• the admissible level with L
indicator maximum on the tank and on the level gauge, respectively
Table 5: Admissible level at L
Admissible
level
Above-ground
6)
90% (V/V)
7)
95% (V/V)
97% (V/V)
98% (V/V)
Only for fuels with a spatial thermal expansion coefficient ß ≤ 85 • 10
1)
Only for fuels with a spatial thermal expansion coefficient ß ≤ 85 • 10
2)
3)
Acc. DIN 4755
Type GWS only
3)
7)
Tanks in rail vehicles
Applicable in Austria for tanks, pursuant to TRÖL 3rd edition
8)
9)
Applicable in Belgium
6 / 12
may also be filled using self-closing nozzles,
3
of tanks according to table 5 must not be exceeded, e.g. level
max
of tanks for fuels
max
Tank
Underground
X
X
Acc. to TRÖl edition 2.1 and DWA-A 791 (TRwS)
4)
6)
Maximum admissible storage volume < actual tank volume
according to EN 45545-7
10)
Acc. to VdTÜV leaflet Tank systems 967
Limit indikator GWG type GWD
is the reference dimension for X.
1
must be reduced:
1
Fuel oil
5)
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
11)
Fuel
X
X
X
X
X
X
X
X
X
-5
/K, e.g. fuel oil EL
/K, e.g. diesel fuel
-5
Acc. TRBS 3151 / TRGS 751
Part no. 15 382 56 b
1
Depth
---
---
< 0.3m
1) 2) 4)
< 0.8m
3) 10)
ns
8)
≥ 0.3m
1) 2) 4)
≥ 0.8m
3) 10)
≥ 1,0 m
11)
9)

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