Tender For corrigendum : supply of at welding equipment (cap pre heating system) compressed air blower machine fitted with datatransmitter technology as per clause 10.1.(iv) of irs-t-19-2021. the compressed air blower shall havefacility torecord and save the preheating parameters viz. pressure and time, firm details, welder details andweld locationdetails for a particular weld along with facility to send these preheating parameters and related details automaticallyas sms to concerned railway officials immediately after finishing of preheating. it shall be possible to send this smssimultaneously up to 10 mobile numbers. [ warranty period: 30 months after the date of delivery ]