MAPS/CTC/MM/PUBLIC/ET880/2024

Amount

Transportation passivation and erection of SS pipe and fittings.

Edge preparation fit up& welding of CS to SS / SS to SS piping by BW GTAW as per welding order.

Transportation cleaning and erection of CS Pipes and fittings

Edge preparation fit up& welding CS piping BW/SW by GTAW/GTAW+SMAW as per welding order.

DPT Root & Final pass for piping work

Edge preparation fit up & welding CS to SS/ SS to SS pipe joint S.W GTAW

Edge preparation , fit up& welding BW/NW of MS Duct/duct fitting circumferential /longitudinal conforming to ASTM A515 Gr60/A516 Gr 70 by GTAW/GTAW+SMAW

Transportation cleaning and erection of MS Duct and duct fittings

DPT Root & Final pass for ducting job and structural joints

Transporation and erection of 45 degree supply grills with VCD as per drawing and NPCIL specification : PC-E-773

Transporation and erection of 0 degree exhaust grills with VCD as per drawing and NPCIL specification : PC-E-773

Transportation and erection of butterfly /back draft dampers for size 150 NB and below as per drawing

Transportation and erection of butterfly/back draft dampers FL end for size above 150 NB and below 400 NB as per drawing

Transportation and erection of butterfly/back draft dampers FL end for size above 400 NB as per drawing

Supply , fabrication and erection of supports structures includes plates, angles , channels, beams and etc as per IS : 2062 / Supply and Installation of U-bolts, fasteners of grade 8.8 , full threaded rods, coupler and lock nuts as per drawing.

Supply , fabrication and erection of SS material structural supports .

Transportation and erection of ball valve, needle valves , PRV , RV's and other type of valves .

Transporation and installation of Centrifugal Fan (flow-rate: 6800 cu.m/hr, static head: 210mmWC, efficiency: 70% )as per NPCIL specification : PC-E-745 and data sheet : NPCIL/73702/2013/DS

Transportation and installation of Breathing Air Cylinders with built in isolation valve with header conforming to the Indian Standard specification IS:3224 as per NPCIL specification : PP-E-00095

Transporation and installation of Tube Axial Exhaust Fan (flow-rate: 1500 cu.m/hr, static head: 15mmWC, efficiency: 40% ) as per drawing NPCIL/73702/2019

Transporation and installation of Propellerl Fan (flow-rate: 500-600 cu.m/hr, static head: 2-5mmWC, efficiency: 15% ) as per drawing NPCIL/73702/2020

Transporation and installation of Tube Axial Fan (flow-rate: 800-1000cu.m/hr, static head: 10 mmWC, efficiency: 40% ) as per drawing NPCIL/73702/2021

Transportation and installation of filter which includes Pre-filter, HEPA and characoal filters as per approved drawing .

Erection and dismantling of one set of scaffolding along with pipes and clamps as per Industrial standards (One set = 1.5 mtr x 1.5 mtr x 1.5 mtr)

Shifting of scrap material from welding shop/inside OESC building to scrap yard

Shifting of material from MAPS stores to OESC site which includes piping and ducting material , fans , filters , cylinders and other equipments related to ventilation and air breathing system . Loading and unloading of material. Only trailer will be given by department.

Radiography testing of weld joint on ducting carried out by RT qualified Level-1 and Level-2 ASNT/ISNT personnel .

Radiography testing of weld joint on Piping carried out by RT qualified Level-1 and Level-2 ASNT/ISNT personnel .

Supply and erection of 14 Gauge galvanised wire mesh for bird screen protection to cover open duct ends

Supply and installation of In-situ prepared EPDM gasket- (Durameter Hardness Shore-A 65 +/- 5) 3 mm THK.