From: Subject: References Dear Bidders, N ATO UNC LA SSIF IE D ...

NATO UNCLASSIFIED
Releasable to ISAF
NATO UNCLASSIFIED
Releasable to ISAF
27/104
CO-13355-OPL
Part IV Statement of Work
4.2.2.5. Sun protection devices for the cameras shall be provided in support of the
fulfilment of the STANAG 2895 related requirements (mainly A3 compliance).
4.2.2.6. Humidity: 5 to 100% (saturation) for operation, transport and handling with the
applicable change of temperature.
4.2.2.7. Rain and water tightness (only applicable for outside components): The
equipment shall have a high degree of water tightness when exposed to extended
periods of rain and shall pass the following criteria:
4.2.2.7.1. The wind velocity shall be applied during the 2 hour steady-state rain fall
testing.
4.2.2.7.2. Droplet sizes should not be smaller than approximately 0.5 mm.
4.2.2.7.3. Extreme: Duration of 5 min at rate 14 mm/min.
4.2.2.7.4. High: duration of 25 min at rate 8 mm/min
4.2.2.7.5. Steady state: duration of 120 min at rate 1.7 mm/ min and wind velocity of
18m/sec.
4.2.2.8. Snow load:
4.2.2.8.1. Large size equipment: 100 kg/m2 during operation, transport, storage and
handling and depot.
4.2.2.8.2. Smaller transportable equipment: 50 kg/m2 during operation, transport, storage
and handling and depot.
4.2.2.9. Ice with a specific gravity of 0.85:
4.2.2.9.1. 13 mm for operation, transportation, storage and handling.
4.2.2.10. Hail
4.2.2.10.1. Hailstones of up to 25 mm diameter, 0.9 g/m3 density and 58 m/s terminal
velocity during operation, transport, storage and handling and depot.
4.2.2.11. Wind
4.2.2.11.1. Norm: 22 m/s average and 39.6 m/s gustiness during operation, transport,
storage and handling.
4.2.2.12. Dust/sand particle size and concentration for external environment:
4.2.2.12.1. Up to 2.0 g/m3 of 150µm particles for operation, transport, storage and
handling. Sedimentation rate as high as 2.0 g/m2/day