Under this Article, the contractor shall perform
all the necessary work required to construct brook crossings at the
locations shown on the plans. The contractor shall furnish gravel
foundations, where required, cast-iron pipe fittings, concrete encasements,
temporarily divert the stream as required, restore the stream bed
to the condition existing prior to the commencement of work and furnish
all labor, materials, tools, appliances and equipment necessary or
required to properly complete the work as specified, shown or directed.