Normally we should consider about three factors before hiring a suitable floating crane for a construction project. And if we talk briefly, these three things or factors are the height to reach, the weight to carry and the condition of the project site. Advancement of technologies has impacted the designs and performance of the cranes. Now we have different kinds of cranes for different purposes and the floating crane is one of these cranes.

Hiring a floating crane is a good idea if your construction site is on some island, on the beach or near the water. Most of the times floating cranes are gigantic in size and that’s the need for their design and objective for which they are going to perform. Well, let’s now discuss in detail the three factors we mentioned earlier so that you may have some good idea what type of floating crane you need to hire for your marine project.

floating crane

Reach of Project Height

Height to reach the construction site is the basic factor that you need to consider whether you are hiring a floating crane or any other kind of crane. Get the clear idea of the maximum height you will have to reach. Once you have a clear idea about the height, you can decide better which floating crane you need to hire for your project. The greater the height, the greater the size of the crane because you need a strong base to reach elevated heights.

Weight to Lift

The second factor that may impact your decision about a floating crane for hire is the weight that you have to lift during the construction project. Ask the project engineer about the maximum weight that you are going to lift. Any miscalculation in this step may lead to great risk and destruction. You might have seen videos of crane accidents, and definitely, you will never want to add another video to the list. So the better and safer idea is to know the exact value of maximum weight you have to lift to the height of the project. Normally the rule is: “higher the height to reach, lower the weight capacity of the floating crane”. So these two factors are normally enough to determine which type and size of floating crane barge you need to hire for your project.

Construction Site

The third factor which will help you in finalizing the decision about hiring a floating barge crane is “the condition of the construction site”. Every floating crane is not suitable for all construction sites. So you will have to take into account the terrain. Terrain conditions may impact your decision about hiring floating crane barge. There must be a strong base for marine construction projects so you will have to consider the terrain carefully before selecting the floating crane for your project.

Once you have considered all these three factors, the decision about hiring a floating crane will be easier for you and believe me it will be safer one too if you carefully considered these three factors.

If you had been thinking dredge pumps and slurry pumps share a similar definition, you were not entirely wrong. Factors that tell apart about them are – Dredge pumps are heavy-duty, special category slurry pumps; while slurry pumps are designed to pump liquids, comprising solid particles. This type of pumps has variations in designs to fit several slurry types, varying in terms of solid concentration, particles’ size, shapes and composition of the solution.

Now, the selection of the right and suitable dredge pumps can be challenging sometimes, but if you understand the primary factors behind their smooth operation, the process can be simplified for you. Other than delivering higher performance, the right type of dredge pump will require less power, little maintenance and it will relatively have a longer life.

Dredging is defined as the process of underwater sediments transportation, which usually includes gravel, rocks or sands, from one location to another. Dredging happens in the shallow waters such as rivers, lakes, and oceans for the purpose of desalting, land reclamation, development or expansion of ports and flood prevention. Thus, most industries using dredge pumps are either mining industry or construction industry. Sometimes, oil & gas and coal industry too use dredge pumps.

Here are the basic selection requirements for dredge pumps:

Other than monetary considerations, two basic selection considerations would be a ‘minimal amount of corrosion’ and ‘no residues settling in the pump’ due to continued operation. The primary design parameters that you should keep in mind while choosing a dredge pump for your use include:

Knowing the dredge type

Before you start assessing the design parameters, the most important thing is getting familiar with the type of materials to be transported. Therefore, an approximation of pH and temperature of the dredge, concentration of the solids and precise gravity of the dredge make first fundamental paces towards making the selection of your ideal dredge pump.

Consider the rating of the pump’s power

Power consumption by the dredge pump must be assessed from the flow rate, specific gravity and discharge head of the pumped dredge. It’s important to corroborate that the energy rating of the chosen pump is higher than the estimated energy consumption after one considers all the reasonable discrepancies in operating conditions.

Selection of the right material

Usually, the materials used for the making of dredge pumps are stainless steel, high chrome steel, and cast iron. Certain dredge pumps are designed with lining for better problems dealing with dredge abrasion. Some elastomers, used in the lining material are natural rubber, neoprene or polyurethane. The choosing of lining material is always based on the pH of the dredge, operating temperature, and the existing abrasive fluids that are used in the dredging process.

Dredging pump installation types

Depending on the shaft orientation, the dredge pumps are divided as vertical and horizontal pumps. With vertical pumps, the shaft is aligned vertically, while horizontal pumps have the shaft horizontally positioned.

Horizontal pumps are the most widely used ones. They have advantages such as easy to install, easy to maintain; moreover, you can choose from a large selection of design materials and flow parameters. The vertical pumps, however, need relatively less space to be installed.

It’s imperative that you consider these factors religiously while going for dredge pump hire. Other than deciding on a reputed source to hire a dredge pump, it’s also crucial that you know what you are getting.