supply of at welding equipment , at welding equipment (cap pre heating system) compressed air blower machine fitted with data transmitter technology as per clause 10.1.(iv) of irs t 19-2021 the compressed air blower shall have facility to record and save the preheating parameters viz. pressure and time, firm details, welder details an d weld location details for a particular weld along with facility to send these preheating parameters and rel ated details automatically as sms to concerned railway officials immediately after finishing of preheating. i t shall be possible to send this sms simultaneously up to 10 mobile numbers. [ warranty period: 30 mont hs after the date of delivery ] ]