Building principle:
Scantlings of the deck and shell plates will comply the specification. All materials, equipment, fittings,etc will be new, of good quality and free from all defeats.

Drawing language:
The language which used for drawing and document is English.

Standardardization:
Materials, machinery and equipment shall be generally of international make, and in accordance with the Chinese Standard GB, Chinese Marine Standards CB.

Hull deck:
The main deck structure is to be strong enough.  Web transverses of the main deck are generally to be fitted at every three or four frames space.

Structures and functions:
The shifting winches, cutter ladder and lifting winch are driven by the hydraulic motor.

The hydraulic oil pump is driven by the auxiliary diesel engine.Functions of cutter suction dredger: dredging river, dredging sand, desilting, reclamation for channels and land, and building roads.

Applicability:
Applicability of this machine: To pass low bridge easily, the controlling room and rest room are dismountable. Connecting parts for cabin room and deck are easily dismounted joints.

Construction:
it consists of three pontoons: one main pontoon and two side pontoons. The pontoons are connected by the connecting pieces and tightened by high intensity bolts and nuts.

Design drawing and document:
The language which used for drawing and document is English.
The builder will submit two sets plans in English for apporal to the owner. The owner should return one copy of the plans to the builder.

Quality guarantee:
The yard should give the owner 12 months warranty in connection.

Inspection and acceptance standard:
The vessel's construction, machinery, outfits and equipment to be inspected and tested under the presence of the Owner's Representative(s) and/or the Surveyor(s) representing in accordance with their respective Rule requirement.