CONSTRUCTION PLAN OF PRESSURE PART ERECTION -SCHEDULE 11MONTH FOR BOILER

After receipt of sequential material and timely pre-assembly of Boiler Pressure Parts planning for 

erection of the pressure parts is to be taken up. For Pressure Part erection ( beside cranes )  Electrical 

winches , Max puller , chain pulley block etc are required . Capacity of the above equipment will be as 

per requirement of the system. We have planned our erection activities in such a way that hydraulic test 

(drain able) is achieved by 12^th month from start of pressure part erection.

First month of erection plan:

Collector vessel with internals, attachment and supports

Separator vessel with internals, attachment and supports

Furnace upper front wall header

Furnace upper sidewall header L & R

Super Heater Radiant Roof inlet header

Re hater header supports and suspension

All suspension for the above

2^nd month erection plan

Collector vessels with internals, attachment and supports

Furnace upper vertical wall

Furnace riser pipes /links

( If the riser comes in one piece then it will longer length and having twist and turn in its layout . It will be advisable to lift it at the earliest to avoid difficulties in erection. But if it comes in two or three 

pieces then it can be done afterwards also.)

Super heater final spaced inlet header after Pre-assembly at bed

Super heater back pass side wall inlet header L & R

Super heaters extended side wall inlet headers

Super heater final spaced outlet header

Super heater Radiant roof outlet header

All suspension and structural arrangement

Riser pipes ,desh link ,SH connecting pipes –saturated etc

Re heater vertical panel outlet header pre assemble with terminal tubes L&R

Re heater cross over links etc.

Re heater vertical platen inlet header after per-assembly with terminal tubes

3^rd month erection plan

Furnace upper rear screen / hanger Outlet header after Pre-assembly

Furnace vertical side wall panels L & R

Furnace side risers & Furnace rear riser

Furnace Front riser and Furnace screen tubes ( after Pre-assembly)

Furnace Hanger tubes (after pre-assembly)

Furnace corner tubes upper and lower

Furnace upper Buck stays

Super heater platen inlet header ( after pre-assembly)

Super heater platen outlet header ( after pre-assembly)

Super heater front outlet header ( after Pre-assembly)

Super heater vertical platen coil L & R (after pre-assembly)

Super heater steam cooled wall rear upper and inter panel L&R

Super heater steam cool rear wall panel lower L & R

Super heater cool side wall panel upper L & R

Super heater steam cool side wall upper left and inter left

Super heater steam cool side wall upper right and inter right

Super heater rear roof panels L & R  after pre-assembly

Super heater Radiant wall roof panel + attachment after pre-assembly

Low temperature Re-heater outlet header after pre-assembly

Low temperature Re-heater outlet terminal tubes after pre-assembly

4^th month erection plan

Furnace front wall interim header ( after pre-assembly)

Furnace side wall interim header ( after pre-assembly)

SOFA panel opening panel

Furnace upper spiral front wall Panel (pre-assembly)

Furnace upper spiral side wall panels - L&R

Furnace extended wall panels

Separator collector link pipes

Furnace Intermediate Header Supports front

Furnace Intermediate Header support -Rear

Furnace Spiral Wall supports Misc items

Furnace upper inter buck stays

Rear arch Buck stays

Upper back  pass buck stays

Back pass lower rear header

Super heater Back pass front wall inlet header

Super heater front wall outlet header

Super heater final spaced assembly L & R

Super heater upper and lower panels

Super heater steam cool side wall panels L & R

Low temperature Re heater pendent assembly

5^th month erection schedule

Burner Panels

Furnace Lower Spiral

Furnace Lower Spiral Front wall panels

Furnace vertical wall panels rear ( after ore-assembly)

Mixing Sphere

Furnace Intermediate Header Support  Sides L&R

Furnace wall  Supports front

Furnace wall   Supports Sides L & R

Furnace lower inter Buck stays

SH Extended Side wall outlet header (after pre-assembly)

SH vertical platen coil left & right.

Re Heater Vertical  Platen  Coil L & R

Low Temperature Re Heater coils upper (after pre-assembly)

Low Temperature Re Heater coils inter ( after Pre- assembly)

RH vertical platen coil assy left & RH vertical platen front coil assembly right.

( CONTINUED TO PART II)

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