A number of people were barbecuing on a construction site on the Lapdijk in Moerdijk last weekend, while this site is prohibited for unauthorized persons. Officers wrote out nine fines, it was announced yesterday. A motorist driving away from the construction site had to stop. Two dirt bikes were on a trailer behind his car. This would have been crosted on the construction site earlier in the day. The engines have been seized. Motocross riders more often cause nuisance by crossing illegally on this construction site.