CESK Objects

Used for high-level feasibility and concept studies.

Do you already have an equipment list and PFDs, but no detailed Material Take-Offs (MTO) yet? The CESK Objects are the missing link between high-level estimating and detail estimating methods.  

With the CESK Objects you can improve the estimate accuracy already at an early phase of the project. Even without a full Material Take-Off (MTO) sheet you can already build up your estimate with detailed quantities, using characteristic values.

The CESK Objects include typical equipment items (objects). The object models allow the user to specify the main parameters for various equipment types and automatically calculate not only the equipment supply cost but also all other related costs. All associated items are included in your estimate using the characteristic values of the equipment, derived from more than 2000 executed projects. This includes disciplines such as piping, insulation, painting, installation, electrical, instrumentation and civil.

In order to develop these metrics and to ensure that these can be used for other projects, the characteristic values are defined within certain boundaries, the Inside Battery Limit (ISBL).

CESK Objects integrates effortlessly with Cleopatra Enterprise, the project cost management software.

Additional Information

Choose from the tabs below to view additional information about CESK Objects.


The available objects are based on engineering design principles, as well as on data from actual executed projects. The CESK Objects Knowledgebase contains models for the main equipment items presented below:

  • Agitators
  • Mixers

Columns are the most commonly used separation equipment. Apart from specifying the dimensions, the cost model also accounts for the presence of additional external and internal elements. The column weight is calculated taking into account these elements which have a direct impact on the structural requirements for the column. Similar to the pressure vessels and storage tanks, the column cost model also provides choices for the piping material and required amount of painting and insulation.

  • Double Diameter
  • Single Diameter
  • Centrifugal
  • Reciprocating
  • Screw
  • Agitated film
  • Falling film
  • Forced Circulation
  • Long tube
  • Short tube

The CESK Objects knowledgebase contains objects for the main heat exchangers used in the industry today such as Shell &Tube and Air Cooled exchangers. These objects are dynamic cost models, in which the user can input the heat transfer area and automatically get a component that includes the supply cost of the heat exchanger, but also installation costs, instrumentation and piping.

  • Air cooler
  • Bayonet
  • Coil
  • Double pipe
  • Electrical heater
  • Fixed tube/U-tube
  • Flat plate
  • Floating head
  • Kettle reboiler
  • Multiple pipe
  • Scraped wall
  • Spiral plate
  • Spiral tube
  • Teflon tube
  • TEMA Type

The CESK Objects knowledgebase includes 25 types of pumps which cover a wide range of operating conditions. In addition to the equipment itself, the cost models include auxiliary components for the piping, electrical, instrumentation and civil disciplines in order to capture the entire cost of the object.

  • Air Diaphragm pump
  • ANSI Single stage centrifugal pump
  • API 610 inline pump
  • API 610 pump
  • Booster pump
  • Canned motor pump
  • Centrifugal pump
  • Gear pump
  • Magnetic drive pump
  • Piston diaphragm pump
  • Plunger pump
  • Proportioning diaphragm pump
  • Proportioning meter pump
  • Reciprocating pump
  • Rotary pump
  • Rubber lined or Hi-Cr Vertical sump pump
  • Rubber or Hi-Cr lined Single stage centrifugal pump
  • Single or multi stage centrifugal pump
  • Slurry pump
  • Utility inline pump
  • Vacuum pump, dry sealed
  • Vacuum pump, liquid sealed (package)
  • Vertical axial flow pump
  • Vertical mixed flow pump
  • Vertical sump pump

Storage tanks are typically used to store process fluids under different conditions. Different types of storage tanks (e.g. Cone bottom, floating roof, spherical tanks etc.) are included in this knowledgebase and can be selected based on capacity and the medium being stored. The basic piping and instrumentation arrangement remains roughly the same for different types of storage tanks. The cost model calculates the line size, schedule and pound rating for typical storage tank connections. The default instrumentation quantities specified from standard P&ID’s can be changed as per project requirements.

  • API fixed roof tank
  • API floating roof tank
  • Conical roof tank
  • Flat bottomed/roof tank
  • Horizontal fibreglass tank
  • Horizontal polyethylene tank
  • Sphere
  • Vertical fibreglass tank
  • Vertical polyethelene tank

Pressure Vessels are widely used and play a vital role in several applications such as storage, knock-out, and phase separation to name a few. As an estimator, you will encounter pressure vessels in different orientations (horizontal and vertical) with additional functionality, namely jacketing, multiple wall etc., to meet specific process requirements. Apart from standard inlet, outlet and blowdown connections, the cost model also provides the option to include nitrogen blanketing, pump recycle and vapor relief lines depending on the vessel service. The estimator has the flexibility to choose the material for piping and the required amount of painting and insulation.

  • Horizontal Pressure Vessels
  • Jacketed Horizontal Pressure Vessels
  • Multi wall vertical vessels
  • Vertical jacketed vessels with coils
  • Vertical jacketed vessels
  • Vertical pressure vessels

All these models are created based on engineering design principles as well as on data from actual projects and can be used for high level estimating.

If you want to know more about CESK objects and CESK data, please feel free to contact us.