EN 976-2:1997
Current
The latest, up-to-date edition.
Underground tanks of glass-reinforced plastics (GRP) - Horizontal cylindrical tanks for the non-pressure storage of liquid petroleum based fuels - Part 2: Transport, handling, storage and installation of single wall tanks
23-07-1997
1 Scope
2 Normative references
3 Definitions
4 Transport
5 Handling
6 Storage
7 Tank certification
8 Installation procedure
8.1 Preliminary checks
8.2 Preparation of the excavation
8.3 Ground works
8.4 Excavation dimensions
8.5 Geotextiles
8.6 Tank anchoring
8.7 Visual inspection and leaktightness
8.8 Sleepers
8.9 Visual inspection and leaktightness test
8.10 On site repair
8.11 Lifting the tank
8.12 Level test
8.13 Tank diameter
8.14 Anchoring
8.15 Backfill materials
8.16 Pressure test
8.17 Dimensional tests
8.18 Completion of installation
8.19 Completion of top cover and surfaces
Annexes
A (normative) Installation components requirements
A.1 Backfill material
A.2 Anchorage points
A.3 Anchor straps
A.4 Access chamber
B (informative) Installation recommendations
B.1 Concrete base-construction
B.2 Installation procedure for pea shingle or
crushed stone backfills (gravel)
B.3 Installation procedures using mechanically
compacted sand backfill
B.4 Classification of ground conditions
B.5 Sleepers - Construction
B.6 Concrete bases for tank anchoring
C (informative) Installation checklist
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