Tunnel STN 060

• width – 6.0
• total height – 2.9 m
• arches spacing – 1.5m
• lengthwise connecting pipe – ½ “
• galvanized pipe construction – 1”
• straight side wall – 0.9 m high

Tunnel STN 070

• width – 7.0
• total height – 3.2 m
• arches spacing – 1.5m
• lengthwise connecting pipe – ½ “
• galvanized pipe construction – 5/4”
• straight side wall – 1.2 m high

Tunnel WST 070

• width – 7.0
• total height – 3.8 m
• arches spacing – 1.5m
• lengthwise connecting pipe – ½ “
• galvanized pipe construction – 5/4”
• straight side wall – 1.7 m high

Tunnel STN 080

• width – 7.9 m
• total height – 4.7 m
• crop support height – 2.9 m
• arches spacing – 2.0 m
• height to the gutter – 2,20 m
• lengthwise connecting pipe – ½ “
• galvanized pipe construction – 2”
• roof vent – from the roof along one side 3m long
• side let down vent

TUNNEL STN 090

• width – 9.0 m
• total height – 4.1 m
• crop support height – 2.4 m
• galvanized pipe construction – 2”
• arches spacing – 2.0 m
• roof vent – from the roof along one side 3m long
• side let down vent
• straight side wall -1.4 m high