Ref : GPPS/Productivity upDate : 26/02/2015

M/s Vendor

Dear Sir,Sub : 1. Stress analysis

a) DV vessel foundation adequacy checkb) DV Supporting structure design calculations / drawings

Preparation / BOMc) DV vapor lined) DV polymer inlet line e) DV bottom pump installation

Note:- Party to indicate the software package used for piping stress analysis and structure analysis.

Please find enclosed DV bottom pump details, DV Vessel drawing & DV Vapor line pertaining to productivity up.Please submit your techno commercial offer for study and carrying out the stress analysis for piping, DV structure. You may visit our site for analyzing the problem at site and suggest any alterations if required.

Scope of job:1 8ӯ X 10ӯ Jacket line & 14ӯ DV Vapour line stress analysis &

suggest various options , supports etc2 Preparation of fabrication drawings indicating BOM , Welding

details etc3 Existing foundation adequacy check and suggest improvement if

required4 DV Supporting structure and operating platforms design

calculations / fabrication drawing preparation / BOM5 DV bottom flange adequacy check for Gear pump loading

( loading details given below )6 To submit design calculations & drawings in 4 sets along with

reproducible & soft copy7 Supervision of the job during execution of the job ( Min of 6 visits

)8 To give guarantee for Mech design for the modifications done.

Thanking you

For LG Polymers India Pvt Ltd,

Details of Gear pump

Forces due to the pump Moments due to the pump

FX : 1400 kgs Mx : 900 Kg MtFy ; 1400 Kg My : 900 Kg MtFz : 950 Kg Mz : 900 Kg Mt

Gear pump bare weight: 2500 Kgs

Pad flange details : 24”Ø , 300# (20” bore) dimensions as per ANSI B 16.5 Flange thickness to be worked out.MOC : SA 515 Gr 60/70

DV – Vessel details

Details as per enclosed drawing.

Jacket line details (Outlet of gear pump 8ӯ 2500# to screen changer)Core pipe : SA 106 Gr B, 8ӯ 160 Sch 100% radiographyJacket pipe: SA 106 Gr B, 10ӯ 40 Sch 100% radiography

Design Conditions Core pipe Jacket pipe Temperature 315° C 315°CPressure 250 Kg/Cm² 8.5 Kg/Cm²

DV Vapour line

Size : 14”ØMOC : SA 106 Gr B , 40 SchTemp : 180° ± 20°cPress : 3 mm

Details of Jacket piping

Design data Core pipe Jacket pipe1) Service fluid Molten polystyrene Thermic fluid2) Design pressure 250 Kg/Cm² 8.75 Kg/Cm²3) Design Temperature 160° C 300°C4) Test Pressure 375 Kg/Cm² 13 Kg/Cm²5) Radiography 100% 100%6) Pipe size 8”Ø 10”Ø

Modification jobs on DV Vessel

To replace the existing DV (Torispherical bottom dish end) with new higher capacity DV vessel having conical shape bottom end maintaining same outlet nozzle size with 20ӯ 300# .

Jacket oil circulation zones

Loading data

A) Gear pump weight : 2500 kgsB) Moments :

C) Details : As per drawing

Proposed New DV Vessel : Auto cad Drawing attached separately

Existing Vs Proposed DV Drawing: