Greetings LAL,
You may categorize no objection it is your personnel but it shall not misunderstood or mandated as not to weld when through n through P nos are allowed and F nos are same and there is no change in essential, but i hope the ability of the welders will be depending upon his skills not material grades.
Please can you enlighten me how you fix wages on what basis?
Whats bucks here in HP?
Clarify.
Regards,
MOHAMED MUNEEB MAHABOOB
''If you know any art by any means then
SCULPT IT - no matter how useless it is
-JUST SCULPT IT, as you may not know
when experts will be on demand''
From: JIJILAL K MDate: 2019-03-19 13:05Subject: Re: [MW:29313] What is Deference Between LP & HP welder?Dear Sir,HP & LP welders are a general classification of pipe welders regardless of construction code.In combined cycle power plant projects in Bangkok and Myngyan (Myanmar) We 've Catagorised 6G Carbon steel pipe welders as LP and 6G low alloy Pipe welders as HP.HP welders used to weld P11,P22,P91 pipes connecting boiler which require pre&post weld heat treatment . Mean time LP welders engaged in CS pipes carrying cooling water .Above catagarisation used for fixing their wages also. HP will get more bucks than LP.Since both are qualifying in 6G position, there is no question of position variation like 1G,4G etc.1G,2G, 3G, 4G are plate welding , economicaly for this another group -structural welders - can be used if available.Regards,JIJILAL K M,Lead QA/QCCorrtech Intl. Ltd.BPCL HTPL Project,Kochi Refinery. South India.--On Thu, Mar 7, 2019, 22:00 Atif <atif.aslam@bishoinfra.com> wrote:Dear Sir,--Regarding HP piping qualified welder can perform LP piping job?and LP piping qualified welder can perform also HP piping job let me know pls.Another question is that there is any variation of test Position e.g. 1G, 2G, 3G, 4G etc. for the welder test between HP & LP ?regards:Atif.
On Thursday, March 7, 2019 at 9:43:50 AM UTC+6, etan wrote:Dear Atif,HP Means, High-Pressure pipes and pipe materials alloy or low alloy steelLP means, Low-Pressure pipes materials carbon steel. So you have to know pipe materials and according to materials you need to qualify welders.Regards,Eyup TanOn Wed, Mar 6, 2019 at 10:15 AM Atif <atif....@bishoinfra.com> wrote:Dear All,--Our client is asking for make categories for our welder such as HP & LP, in Combined cycle power plant project, anybody can help me that why we need to do this and what is the welder qualification testing procedure/system for HP & LP welder?Regards:Atif.
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