Pre-construction Culvert : Rational options to connect the road

The fastest structure to build:

1. Nestable Flange & MPPA

Note for steel plate culvert like NF and MPPA, it not suitable for acid and salty water. Also it need maintenance periodicaly to prevent rusted

2. Precast concrete culvert (round & box)

Note for this type is we need heavy equipment / supporting tools to load and unload to site.

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