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Designer/Contractor JV- Apron Services Projects- A Winning Case

Designer/Contractor JV- Apron Services Projects- A Winning Case. The KAIA project Case Study . Introduction. The purpose of this presentation is to demonstrate : How early Engineer( designer/ Contractor coordination and cooperation can overcome the difficulties encountered

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Designer/Contractor JV- Apron Services Projects- A Winning Case

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  1. Designer/Contractor JV- Apron Services Projects- A Winning Case The KAIA project Case Study

  2. Introduction • The purpose of this presentation is to demonstrate : • How early Engineer( designer/ Contractor coordination and cooperation can overcome the difficulties encountered • Highlight unforeseen and foreseen difficulties and challenges encountered in the KAIA project

  3. Introduction • AME- DEP JV • KAIA back Ground and Scope of Work • Project Constraints • Project Deliverables • Project Procurement Plan • Systems Design • Conclusion

  4. Designer / Contractor JV • AME Background • DEP Background • AME-DEP JV and history of cooperation • DEP Role in KAIA:DEP is doing design – shop dwgs – technical procurement submittals – construction management and cost control

  5. Project Background and Scope of Work • Client : GACA • Main Contractor : Saudi Bin Ladein Group – SBG • Apron Subcontractor – Al MabaniAGC • Apron Services Subcontractor – AME/DEP

  6. Project Background and Scope of Work Scope of Work: • Potable water treatment plants and potable water piping network from Tech. rooms to pits. • Blue water treatment plants and blue water piping from Tech. rooms to toilet pits. • Vacuum receiver plants and piping network. • PCA air handling units and corresponding under-gound ducting and PCA pits • Glycol chilled water plant rooms and networks. • GPU 400 Hz system and pits

  7. Project Background and Scope of Work Aprons 17-18-19 and PTB Area in scope

  8. Project Deliverables • Material Submittals • Design and shop drawings • Method statements • Monthly Progress Reports • O & M manuals • As Built Drawings • Testing and Commissioning Reports • Training • Warranties

  9. Project Constraints • The main constraints challenging AME at this project are the following: • The short project duration which is by any standards is very tight for the scope of work at hand . • The different layers of upstream parties, mainly the CM and designers , and at a second level Main Contractor and Subcontractors • The Various unforeseen changes from the original tender design due to site conditions / project updated requirements / cost and time constraints • The delays in design / approvals / material

  10. Project Constraints • The difficulty of direct communication between many of the parties due to contractual constraints • The peculiarity of some of the specified items such as: • Vacuum drainage system • Glycol sub cooling method • SS PCA Duct for mobile ACU • The interface with other contract packages which could increase the number of unforeseen problems.

  11. Why a Designer on Board is a Winning Case • The Complexity of the modern airport systems makes it necessary to do every bit of study and calculations and drawings to achieve a coordinated installation • To get seamless relations with the CM which is himself is an engineer • The various changes in design during construction due to site conditions requires a designer on board during the construction to find the proper solutions • When a Designer is in direct contact with the specialists / suppliers the design will be more customized and more understanding to the equipment strengths and weaknesses.

  12. Examples of Unforeseen Difficulties • Changes in the Client Requirements • Suppliers uncontrolled supply delays • Site level changes and various obstructions • Differences in Contract requirements interpretations

  13. Project Procurement Plan AME has prepared a procurement plan relating to time and cash flow to suit the project schedule and technical requirements. The basic elements of this plan are : Establishing a basket of reputable suppliers Providing proper material submittals for approval Identifying long lead items and placing orders on time Delivering the material on site as per project schedule

  14. H-Project Manpower Histogram

  15. I-Communication Plan • --

  16. Why Centralized Apron Services Typical Service– B-777 t

  17. The Solution….Apron Services Note: Fuel Trucks shown Removed (Hydrant Fueling) 90 KVA H2O Blue H20 Lavatory PCAir PCAir 90 KVA

  18. MARS GATES • Multi • Aircraft • Ramp • System

  19. Systems Design Vacuum System

  20. Systems Design Vacuum System

  21. Systems Design Toilet Pit

  22. Systems Design Vacuum Lines Profile

  23. Systems Design Glycol Chilled Water System

  24. Systems Design Glycol System Configuration

  25. Systems Design PCA Unit Installation Detail

  26. PW Reel Pit Access PCA Hoses Valves PCAir and Potable Water Pits

  27. Central Glycol Plants • Thermal Design • Civil works design and installation • Distribution Network • Responsible for Performance • Chiller Supply

  28. Systems Design Potable Water System

  29. Systems Design Potable Water System

  30. Systems Design Blue Water System

  31. Systems Design Valve Chamber Detail

  32. Service Pits (400 Hz) Systems Design

  33. Systems Design The GPU ApproachPBB Mounted Reels or……Pits

  34. Conclusion • An early designer intervention and close cooperation with the specialist / contractor is a key factor in the project success

  35. Thank You

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