1. Process Air Compressor Knockout Replacement
Presented By: Saud Saleem
Designation: App. Engineer(Mech)

2. Overview:
Introduction
Project Handling
Cost estimation
Problem Area

3. Introduction:
Knockout? A knockout drum is used whenever a process requires droplets to be separated from a vapor stream. T1
Inter Cooler
Condensate causing Corrosion
Condensate Removed and Drained Out
Main Suction T2 T3
Where T2 > T1
Where T3 < T2
Condensed Vapors
Knockout Drum

4. Working Principle of Vane Pack:
Flow
Vane Pack

5. Introduction: Background: Existing knockouts were replaced in 1987.
Upon inspection in TA-07, heavy corrosion and cracks was observed on impellers.
PECO (Original Vendor) informed that knockouts are undersized

6. Project Handling: Steps taken sequentially Planning and Scheduling
Engineering
Procurement
Execution

7. Project Handling:
PLANNING & SCHEDULING:

8. Percentage scope of each section:
Project Handling:
Percentage scope of each section:

9. Cost Estimation: Rs. 60.4 MM Rs.17.0 MM Rs. 1.54 MM Rs. 1.39 MM
Cost Basis
30-Sep-2007
Foreign Component
Cost of Internals
€ 90,178
Cost of Instrumentation
€ 100,000
Local Component
Cost of Vessels
Rs MM
Cost of piping+ Civil works
Rs MM
Custom 5%
Rs MM
Sales Tax
Rs MM
Cost of Construction
Rs MM
Total Local Component
Rs MM (€ 1.1 MM)
10%
€ MM
Total Cost In Euro
€ MM

10. Project Handling: Engineering: Process Design Mechanical Design
Civil Design

11. Project Handling: Procurement: Mechanical equipments: Instrumentation:
Knockout vessels
Internals
Glass Level Gauges
Flexibility bellows
Hanger supports
Instrumentation:
Level transmitter
Level Controller
Control valves

12. Mechanical Equipment:
Upstream Gas Distribution Plate & YORKMESHTM Agglomerater
FLEXICHEVRON Vane Pack
Tower Attachements
Knockout Vessel

13. Comparison of total procurement by each section:

14. Project Handling: Procurement Status: Material procured
Internals
Material under procurement
Knockout vessels
Pending materials
Expansion bellows
Control valves
Glass Level Gauges
Spring hanger support

15. Project Handling: Execution: Mechanical
Installation of New Interconnecting Piping
Re-routing of existing piping
Erection of KO vessel
Installation of Internals
Installation Of Glass Level Gauges

16. C-111A C-109A AVAILABLE SPACE FOR C-111A NEW C-111A NEW C-108A
NOZZLE SIZE INCREASED
NEW PIPING Ø 12”
C-109A

17. Project Handling: Execution: E&I Installation Of Control Valves
Installation Of Level Transmitters
Installation Of Switches

18. Project Handling:
Execution: Civil
Structure
Foundation

19. Problem Areas: Procurement of knock out vessels.
Procurement of control valves.
Procurement of Flexible bellows.
Project time line.

20. Thank You

21. Questions?