SUPPLY, FABRICATION AND ERECTION OF IBR PIPELINE

SUPPLY, DISMANTLING, FABRICATION AND ERECTION OF IBR STEAM PIPE LINE IN COGEN PLANT AT LAURIYA, WEST CHAMPARAN, BIHAR – 845 453 AS PER BELOW DESCRIPTION & ATTACHED JOB SCOPE OF THE TENDER DOCUMENT:

Supply of new IBR Steam Seamless Pipeline as per below technical specifications & scope: Size: 200 NB x Schedule 120 Material Grade as per ASTM SA335 P11 Make : Tata / Jindal Steel/ SAIL Material Test Certificate (MTC) to be submitted along with supply.

Dismantling of existing Steam Pipe line of 7 meter long and Fabrication of new IBR Steam Pipe line supplied against item no. 1 as per below details: Dismantling of existing Pipe line: a. Removal of Insulation of existing Steam pipeline. b. Cutting & dismantling of the existing 7-meter long SA335 SCH 120 IBR steam pipe line. The pipeline needs to be locked so that it shouldn’t change its position. c. Dismantling of existing attemperator flange and nozzle. The pipeline to be cut & dismantled in such a way that it does not damage the nozzle. d. Scaffolding to be erected by the vendor. Requisite materials for making the scaffolding will be arranged by the HBL. e. After completion of the work, the worn-out pipe will have to be kept at the designated place as advised by the Engineer. Fabrication & Erection of new IBR Pipe line: a. Fabrication & Erection of new IBR Pipe line. b. The pipe line to be properly fitted and its V-angle to be correctly matched before welding and the gap of the pipe line to be maintained. c. Flanges of the Attemperator to be fitted properly so that the direction of nozzle should be towards the direction of the steam flow. d. To heat the welding electrode (E9018), an oven will be required, which will be arranged by the contractor and TIG welding to done for the root. e. Leakage test to be carried out after the completion of job and it should be ensured that there should not be any leakage of steam. f. It is to be noted that 100% Radiography of weld joints as applicable to be carried out. g. As advised by Engineer In Charge for dismantling, fabrication & erection of allied jobs required for successful completion of works explained above to be carried out by the vendor.

VADODARA INDUSTRIAL SERVICES