When measured from the curb, the sidewalk canal area of the roads extending maximum 0.5m to the main road and maximum 0.2m to the pedestrian area.

Due to the special materials used in corrugated pipe production, it provides high resistance against abrasion and is resistant to chemicals. Polyethylene raw material is resistant to corrosion and has a suitable structure in sewage systems.

The properties in PE - 100 pipes are also valid in LDPE pipes. It is easy to use since it is used in network connections.

It is used as cable protection pipe in telecommunication lines. Double walled cable casing pipes made of high density polyethylene protect the telecommunication cables from traffic, soil pressure, underground freezing, earthwork damage, water and icing.

Due to the special materials used in corrugated pipe production, it provides high resistance against abrasion and is resistant to chemicals. Polyethylene raw material is resistant to corrosion and has a suitable structure in sewage systems.

Drainage channel, which provides the transfer of rainwater, wastewater accumulated by the pool, and the infrastructural systems used by the streets and streets to the ground, are the remaining parts of underground water collection and drainage systems.

Concrete pipe is one of the building blocks of the infrastructure systems of cities and settlements. Infrastructure services work best through concrete pipes. The main reason for preferring concrete pipes is that there is no material for decay or damage to the infrastructure system for years.

As a culvert meaning; it means to enter or pass, hole, space, passage. Ventilation of closed areas such as bathrooms and wc is also called culverts. However, the definition of the culvert as a structure is as follows;