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- High-pressure cleaning of tunnel sides
and ceilings;
- use of detergents made expressly for the
type of surfaces to be treated (painted surfaces, vitreous
enamel panels, corrugated sheets, etc.
- Perfect cleaning of the roadway after
the passage of liquid-aspirator / sweeper truck;
- Use of high pressure pumps generating
hot water up to 90 degrees;
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| Washing of "Vittoria
tunnel" in Naples |
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| BEFORE WASHING |
AFTER WASHING |
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Removal of ten years
old smog and dust. |
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High pressured (600bar)
and hot water (95 degrees) with 100% biodegradable detergents. |
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Rotating brush cleaning
of tunnel sides (six meters of height), new-jersey roundabout
and retro-reflecting. |
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