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JERP Execution- Fire water System &safety Features
Having seen about the OSBL &ISBL Network, let us see the specific specials what we have incorporated in JERP . Having experienced several difficulties in DTA with respect to throw height, accessibility, throw quantity requirement, distribution in demand area, safety of hydrant point in heavy traffic/crane movement spot etc. Bechtel/TechnoFire/Reliance went on configuring several new developments and succeeded to overcome those hurdles. Some of them are explained here:
Our senior construction manager Charles D'Souza came up with a fantastic improvisation of protecting the hydrant point from being damaged by crane movement in plant ISBL area. He suggested to add an additional spool below grade and place the hydrant point in built concrete pit.
His suggestion was to construct the hydrant take-off point in that pit but defer erecting the spool as well as the hydrant point until all the heavy crane movement completion in that area. To allow free movement of crane, he got that pit filled with sand and put a concrete slab cover. Once the heavy equipment erection and crane movement was over, he arranged to clean the sand from the pit and fixed the spool and hydrant point and carried out service test for testing the integrity. His idea was revelation to all concerned in the industry.
With standard ground based monitor placed about 20M apart from the target object, when the network operating pressure at that point was about 9-9,5 kg/cm2g, the discharge throw height reach was only about 35M height, whereas in refinery the tall columns are about 45/72M and some are even nearing 90M also. This handicap was highlighted by JMD fire team during the engineering stage; Reliance projects and Bechtel took that as a challenge and searched for suitable solution in the market. One party M/S Stang claimed to have hi-rise monitor that too mounted at grade level. Both Bechtel and Reliance believed their data sheet and committed an order for 50 numbers on that party.
But good sense prevailed on us and JMD fire team insisted to have a field sample trial for testing its performance. The party has agreed to carry out the same and asked Reliance/Bechtel to develop test rig with inflow orifice, inline flow meter and pressure gauge etc. with scaffolding arrangement . The whole thing was engineered and developed fully; the party's MD with specialist consultant turned up with two test pieces of monitors. The full battalion of JMD Fire team, Reliance OSBL project members including me, Technofire represented by Praful and Dilip Koimattur, Dilip Patel of Bechtel, M/S Stang' s representatives assembled at 3PM to conduct the field trial test. We simulated the throw quantity and requisite pressure at nozzle throat to test the samples; but to our utter surprise the throw reach height was not even crossing 18M elevation, when an adjacent fixed ground monitor of another make was giving at least 34M! the party tried to change another nozzle and adjusted its throw alignment etc. but could not improve it at all. The whole exercise went on until night 2AM and then we gave up. The party MD could not face us , he went away without telling anybody and later wrote to cancel the order. We were back to square one!
To my luck, that was the time Mr Larry King of M/S TFT was interacting with me and JMD fire team to promote their monitors for JMD. When I personally discussed with him about the possibility of utilizing their standard monitor mounted at high elevation, he also jumped with joy and agreed to carry out field trials. Then came the challenge about mounting them at high elevation but at the same time to keep the safe distance of 20M away from target object. We took up with structural and piping group of Jamnagar engineering( Anil Chaudhary )&NR Prakash . They came out with two propositions-1) to design self standing tower of 13.5M high&mount the monitor on top, 2) strategically locate the monitor in already available structural platform in rack area and in both cases
route the riser pipe with an isolation valve at 1M from grade level. These were welcomed by one and all and the field trial was a roaring success. The only limitation is that the monitor focus is fixed and one has to climb through monkey ladder to adjust/change its direction. But that handicap was acceptable to the end user and that has become Reliance standard for Hi-Rise monitor arrangement.
KeyAspects:- Communication, Critical challenge, Faith, Incident analysis, Initiative, Innovative,
Multi discipline exposure, Technical issue
JERP Execution- Fire water System &safety Features
Having seen about the OSBL &ISBL Network, let us see the specific specials what we have incorporated in JERP . Having experienced several difficulties in DTA with respect to throw height, accessibility, throw quantity requirement, distribution in demand area, safety of hydrant point in heavy traffic/crane movement spot etc. Bechtel/TechnoFire/Reliance went on configuring several new developments and succeeded to overcome those hurdles. Some of them are explained here:
Our senior construction manager Charles D'Souza came up with a fantastic improvisation of protecting the hydrant point from being damaged by crane movement in plant ISBL area. He suggested to add an additional spool below grade and place the hydrant point in built concrete pit.
His suggestion was to construct the hydrant take-off point in that pit but defer erecting the spool as well as the hydrant point until all the heavy crane movement completion in that area. To allow free movement of crane, he got that pit filled with sand and put a concrete slab cover. Once the heavy equipment erection and crane movement was over, he arranged to clean the sand from the pit and fixed the spool and hydrant point and carried out service test for testing the integrity. His idea was revelation to all concerned in the industry.
With standard ground based monitor placed about 20M apart from the target object, when the network operating pressure at that point was about 9-9,5 kg/cm2g, the discharge throw height reach was only about 35M height, whereas in refinery the tall columns are about 45/72M and some are even nearing 90M also. This handicap was highlighted by JMD fire team during the engineering stage; Reliance projects and Bechtel took that as a challenge and searched for suitable solution in the market. One party M/S Stang claimed to have hi-rise monitor that too mounted at grade level. Both Bechtel and Reliance believed their data sheet and committed an order for 50 numbers on that party.
But good sense prevailed on us and JMD fire team insisted to have a field sample trial for testing its performance. The party has agreed to carry out the same and asked Reliance/Bechtel to develop test rig with inflow orifice, inline flow meter and pressure gauge etc. with scaffolding arrangement . The whole thing was engineered and developed fully; the party's MD with specialist consultant turned up with two test pieces of monitors. The full battalion of JMD Fire team, Reliance OSBL project members including me, Technofire represented by Praful and Dilip Koimattur, Dilip Patel of Bechtel, M/S Stang' s representatives assembled at 3PM to conduct the field trial test. We simulated the throw quantity and requisite pressure at nozzle throat to test the samples; but to our utter surprise the throw reach height was not even crossing 18M elevation, when an adjacent fixed ground monitor of another make was giving at least 34M! the party tried to change another nozzle and adjusted its throw alignment etc. but could not improve it at all. The whole exercise went on until night 2AM and then we gave up. The party MD could not face us , he went away without telling anybody and later wrote to cancel the order. We were back to square one!
To my luck, that was the time Mr Larry King of M/S TFT was interacting with me and JMD fire team to promote their monitors for JMD. When I personally discussed with him about the possibility of utilizing their standard monitor mounted at high elevation, he also jumped with joy and agreed to carry out field trials. Then came the challenge about mounting them at high elevation but at the same time to keep the safe distance of 20M away from target object. We took up with structural and piping group of Jamnagar engineering( Anil Chaudhary )&NR Prakash . They came out with two propositions-1) to design self standing tower of 13.5M high&mount the monitor on top, 2) strategically locate the monitor in already available structural platform in rack area and in both cases
route the riser pipe with an isolation valve at 1M from grade level. These were welcomed by one and all and the field trial was a roaring success. The only limitation is that the monitor focus is fixed and one has to climb through monkey ladder to adjust/change its direction. But that handicap was acceptable to the end user and that has become Reliance standard for Hi-Rise monitor arrangement.
KeyAspects:- Communication, Critical challenge, Faith, Incident analysis, Initiative, Innovative,
Multi discipline exposure, Technical issue
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