NBN EN 976-2 : 1999

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

Defines requirements for transporting, site handling, storage and installation of horizontal, cylindrical single wall tanks manufactured from glass reinforced thermosetting resins for underground non-pressure storage of liquid petroleum based fuels, to comply with EN 976-1.