P 33
Hazira Ph1 second chapter
While finalising layout of main plants and pipelines interconnect between plants, H&G under instructions of HP Rangaraj have come out with 6M wide 3 tier NS pipe rack. At that age,since people with small plant capacity execution experience could not visualise and appreciate HPR's forward thinking, criticised and condemned his forethoughts. They went to the extent that he does not have any idea about layout and sizing &spending company's money wastefully. Only PBM Rao of construction and SND of H&G supported his vision and backed him. The beauty was even that 3 tier 6M wide pipe rack was insufficient when I took over the execution of Ph2 interconnect piping. I was forced to incorporate additional hangers to accomodate the density of requisite piping.
Here I have to record one important virtue of H&G engg. when it comes to offsite, in my 47 years of project experience, I have seen that they are the only ones who develop the virtual inter-connection diagrams reflecting the various plant B/L, isolation valves in relative locations, indicating hi-point vents and low point drains in offsite, clearly demarcating layerwise piping arrangements. These features were there in their design engineering well before the culmination of 3D modelling design.
When these execution were going on, typical of Reliance, the backward integration philosophy crept-in! As it was envisaged that the cracker plant completion may take 5 years time, why not we import ethylene and commission MEG, which is one of raw material required for polyester manufacturing at PG. MEG calls ethylene as feedstock. Since MEG anyhow look for ethylene, the management thought why not we build HDPE and LDPE also and effectively utilise the imported stock?
Once these thoughts were conceptualised, the question arose, how and in what mode and through which route the import of ethylene can be handled.Hazira site does not have sea front for ferrying ship parcels but only have Tapti river water channel at Sothern end of plot leading to Arabian sea at Suvali point-some 19 nautical miles away. So the sea going carrier calling at the plant front was ruled out.Then the Think tank of Reliance got into action.Under the leadership of DM, PMSP, AR, PBMR, P Sankaran, capt. Puri started contacting various international agencies especially operating in and around Hamburg in Germany. During that phase, DM,PMSP&PBMR with the services of M/S Boscolis came out with one bright resolution. They really encashed the situation and solved two issues in one stroke. As Hazira site was full of black cotton soil, to strengthen the soil it called for complete back filling earth; whereas the Tapti channel called for heavy dredging even for sailing 1000MT barge. So under the supervision of PBMR at site, the dredger effectively dredged the river channel and pumped the earth on the plot area of Hazira uniformly. The plot level was built up and soil strength reinforced.
Meanwhile, the task of ethylene import infrastructure was split into three fronts- 1) develop a second hand barge to handle cryogenic ethylene incorprating boil off compressor and other allied fixtures. The pre-condition requirements are GMB clearance and the barge dead weight to be least so that with available draft in the river channel it can bring 1000MT parcel of lighterage.
2) conceptualise a river jetty infrastructure to unload 1000MT of cryogenic ethylene from the lighterage barge including loading/unloading arms with vapour balancing and dual header for recirculation of C2.
3) with the services of L&T and LGA, develop a full fledged terminal with perlite insulated double walled tanks, boil off compressor and cold flare etc. Contd......
Key Aspects :- Initiate, Multi discipline exposure, Technical issue Innovative
Hazira Ph1 second chapter
While finalising layout of main plants and pipelines interconnect between plants, H&G under instructions of HP Rangaraj have come out with 6M wide 3 tier NS pipe rack. At that age,since people with small plant capacity execution experience could not visualise and appreciate HPR's forward thinking, criticised and condemned his forethoughts. They went to the extent that he does not have any idea about layout and sizing &spending company's money wastefully. Only PBM Rao of construction and SND of H&G supported his vision and backed him. The beauty was even that 3 tier 6M wide pipe rack was insufficient when I took over the execution of Ph2 interconnect piping. I was forced to incorporate additional hangers to accomodate the density of requisite piping.
Here I have to record one important virtue of H&G engg. when it comes to offsite, in my 47 years of project experience, I have seen that they are the only ones who develop the virtual inter-connection diagrams reflecting the various plant B/L, isolation valves in relative locations, indicating hi-point vents and low point drains in offsite, clearly demarcating layerwise piping arrangements. These features were there in their design engineering well before the culmination of 3D modelling design.
When these execution were going on, typical of Reliance, the backward integration philosophy crept-in! As it was envisaged that the cracker plant completion may take 5 years time, why not we import ethylene and commission MEG, which is one of raw material required for polyester manufacturing at PG. MEG calls ethylene as feedstock. Since MEG anyhow look for ethylene, the management thought why not we build HDPE and LDPE also and effectively utilise the imported stock?
Once these thoughts were conceptualised, the question arose, how and in what mode and through which route the import of ethylene can be handled.Hazira site does not have sea front for ferrying ship parcels but only have Tapti river water channel at Sothern end of plot leading to Arabian sea at Suvali point-some 19 nautical miles away. So the sea going carrier calling at the plant front was ruled out.Then the Think tank of Reliance got into action.Under the leadership of DM, PMSP, AR, PBMR, P Sankaran, capt. Puri started contacting various international agencies especially operating in and around Hamburg in Germany. During that phase, DM,PMSP&PBMR with the services of M/S Boscolis came out with one bright resolution. They really encashed the situation and solved two issues in one stroke. As Hazira site was full of black cotton soil, to strengthen the soil it called for complete back filling earth; whereas the Tapti channel called for heavy dredging even for sailing 1000MT barge. So under the supervision of PBMR at site, the dredger effectively dredged the river channel and pumped the earth on the plot area of Hazira uniformly. The plot level was built up and soil strength reinforced.
Meanwhile, the task of ethylene import infrastructure was split into three fronts- 1) develop a second hand barge to handle cryogenic ethylene incorprating boil off compressor and other allied fixtures. The pre-condition requirements are GMB clearance and the barge dead weight to be least so that with available draft in the river channel it can bring 1000MT parcel of lighterage.
2) conceptualise a river jetty infrastructure to unload 1000MT of cryogenic ethylene from the lighterage barge including loading/unloading arms with vapour balancing and dual header for recirculation of C2.
3) with the services of L&T and LGA, develop a full fledged terminal with perlite insulated double walled tanks, boil off compressor and cold flare etc. Contd......
Key Aspects :- Initiate, Multi discipline exposure, Technical issue Innovative
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