Handling , transportation, fabrication, welding , erection, inspection of piping and metal structures for implementation of design change notice and revised working drawings in Reactor safety and Reactor auxiliary buildings of KKNPP Unit 3 and Unit 4

Amount

Cutting and Edge preparation (J-groove/ V-Groove) by using beveling machine: Identification of joint, Shifting of pipe beveling machine, setting up for the required configuration, parting off pipe and machining J-Groove/V-groove on one end of pipe and inspection as per drawings & technical specification. This work also includes providing beveling machine, scaffolding , removing debris & post cleaning , manpower, cutting tools with required profile, tools & tackles, consumables, cleaning aids , cooling agents etc., preparation of reports and submission for acceptance, completion of work as per tender specification and working drawings

Pipe size greater than 80NB to 300NB

Pipe size greater than 300NB

Marking, cutting ,edge preparation, fit up and welding of CS pipelines dia up to and including 80NB :Study of working drawings including DCN/FCN/TAR & applicable documents, Identification of joints, marking, cutting & edge preparation(J-groove/ V-Groove), cleaning of pipe using oil free compressed air, fit up , welding of Carbon steel pipes of various thickness using GTAW using filler wire issued on free issue basis, includes flange & nozzle weld, cleaning the welded joint, carrying out visual inspection, engraving, preparation of reports and submission for acceptance. This work also includes providing scaffolding, man power, tools & tackles, consumables like cleaning consumables , argon gas etc., completion of work as per tender specification and working drawings.

Marking, cutting ,Fit up and welding of CS pipelines size greater than 80NB to 300NB :Study of working drawings including DCN/FCN/TAR & applicable documents Identification of joints, marking, cleaning of pipe using oil free compressed air, joint area , fit up ,welding of Carbon steel pipes of various thickness of V - groove / J- groove joint configuration using GTAW and SMAW process using filler wire & welding electrode issued on free issue basis includes flange & nozzle weld, cleaning the welded joint, carrying out visual inspection, engraving, preparation of reports and submission for acceptance. This work also includes providing scaffolding, man power, tools & tackles, cleaning consumables, argon gas etc., completion of work as per tender specification and working drawings.

Marking, cutting ,edge preparation, Fit-up and welding of stainless steel pipelines up to and including 80NB : Study of working drawings including DCN/FCN/TAR & applicable documents, identification of joints , marking , cutting and edge preparation(J-groove/ V-Groove), cleaning of pipe using oil free compressed air, purging arrangements(soluble/removal dams), fit up, welding of Stainless steel pipelines up to and including 80NB of various thickness using GTAW process using welding filler wire issued on free issue basis, includes flange & nozzle weld. cleaning the welded joint, carrying out visual inspection, removing purging arrangements, engraving , preparation & submission of report ,including arrangements of man power, plant & machinery , tools & tackles, all consumables, cleaning aids etc., completion of work as per tender specification and working drawings.

Marking, cutting, Fit up and welding of SS pipelines size greater than 80NB : Study of working drawings including DCN/FCN/TAR & applicable documents, identification of joints , marking, cleaning of pipe using oil free compressed air, purging arrangements(soluble/removal dams), fit up, welding of Stainless steel pipelines of V - groove / J- groove joint configuration using GTAW and SMAW process using filler wire & welding electrode issued on free issue basis includes flange & nozzle weld, cleaning the welded joint, carrying out visual inspection, removing purging arrangements, engraving , preparation & submission of report ,including arrangements of man power, plant & machinery , tools & tackles, all consumables, cleaning aids etc., completion of work as per tender specification and working drawings.

Welding of SS pipe size greater than 80NB up to and including 300NB with wall thickness up to 12mm included

Welding of SS pipe size greater than 80NB up to and including 300NB with wall thickness greater than 12mm up to 20mm

Erection of Carbon steel and stainless steel pipelines : Receipt of free issue materials, handling, transportation, uncrating, preparation of IMIR , de-preservation, study of working drawings including DCN/FCN/TAR & applicable documents, cleaning of pipe with oil free compressed air, erection of carbon steel and stainless steel pipelines on permanent supports at various levels and locations, carrying out alignment, inspection. This work also includes covering pipeline ends using end caps during erection, preparation & submission of reports & as built drawings for acceptance and completion of work as per tender specification and working drawings.

Pipe of size up to and including 80NB

Pipe size greater than 80NB up to and including 300NB

Pipeline of size greater than 300NB

Marking, cutting ,edge preparation, Fit-up, welding and erection for Modification of erected stainless steel pipelines: Study of Revised working drawings including DCN/FCN/TAR & applicable documents, identification of joint for modification, arranging of staging or scaffolding, cutting and removing of erected stainless steel pipelines, fabrication for modification of pipelines includes cutting and edge preparation(V - groove / J- groove), fit up, welding of Stainless steel pipelines by GTAW and SMAW process using filler wire & welding electrode issued on free issue basis includes flange & nozzle weld and erection of modified pipeline at in situ location. This work also includes purging arrangements(soluble/removal dams), cleaning the welded joint, carrying out visual inspection, repairing of weld joint if any, removing purging arrangements, engraving , preparation & submission of reports & as built drawings for acceptance. This work also includes removal of the unused material from the modified pipelines out of the building, shifting to NPCIL stores for deposition, material accounting and arrangements of man power, plant & machinery ,tools & tackles, all consumables, cleaning aids etc. and completion of work as per tender specification and working drawings. Note: Shifting and depositing of unused materials to store will be measured in respective BOQ item.

Pipe of size up to and including 80NB

Pipe size greater than 80NB up to and including 300NB

Pipeline of size greater than 300NB

Shifting and erection of valve including on erected pipelines: Receipt of free issue material, handling, transportation, uncrating, segregation of valves, preparation of IMIR, de-preservation of valves, shifting to the required location, cleaning, visual inspection and erection of carbon steel and stainless steel valves of various diameters at various level, elevation & orientation as per working drawings and technical specifications. This work also includes erection of valves in already erected pipelines, providing qualified man power, tools, tackles, erection of scaffolding, cleaning aids such as acetone etc., preparation of reports and submission for NPCIL acceptance.

Handling, shifting, erection of valves (up to 50NB)

Handling, shifting, erection of valves (above 50 to 200NB)

Handling, shifting, erection of valves (above 200NB)

Fabrication and erection of pipe supports including on erected pipelines: Receipt of free issue material , handling, transportation, uncrating, preparation of IMIR, de-preservation, storage , segregation and pre assembly of pipe support members of individual supports such as body of supports, spring assemblies, saddles, guides, hanger rods etc., prefabrication of structural members, shifting to location after painting, erection, fit up, welding from filler wire and electrode supplied as free issue basis ,torque tightening, carrying out visual inspection as per working drawings including DCN/FCN/TAR & applicable documents, and technical specifications for different sizes of pipes mentioned below. This work also includes supply of structural steel, erection of scaffolding, providing manpower, tools & tackles, assembling of spring components, pre setting of springs & locking, correction of springs for final setting before release for commissioning, supply and application of graphite powder between sliding surfaces, arranging cleaning aids such as high quality kerosene / acetone, inspection, preparation & submission of reports & as built drawings for NPCIL acceptance. Note: Grit blasting and painting will be measured in the respective BOQ items.

Supply of carbon steel structures such as Angles, beams, channels, plates, box sections, rods of various sizes as per IS 808 and material grades as per IS 2062:2011 ranging from E250 to E350 of Quality A/BR/B0 ( NPCIL approved brands only allowed)

Fabrication & erection of small bore pipe supports (10NB to 80NB)

Fabrication & erection of pipeline supports for pipe size 80NB to 300NB

Fabrication & erection of pipeline supports for pipe size DN>=300NB

Modification and erection of existing pipe supports: Receipt of free issue material , handling, storage, segregation, cutting and dismantling of body of supports, spring assemblies, saddles, guides, hanger rods etc. and modification of existing support as per the revised working drawings including DCN/FCN/TAR & applicable documents, fabrication ,erection, fit up, welding using filler wire and electrode supplied as free issue basis ,torque tightening, carrying out visual inspection as per working drawings and technical specifications for different sizes of pipes mentioned below. This work also includes erection of scaffolding, cutting and removal of existing pipe support saddles and supporting structures, carrying out necessary modification, providing manpower, tools & tackles, assembling of spring components, pre setting of springs & locking, correction of springs for final setting before release for commissioning, supply and application of graphite powder between sliding surfaces, arranging cleaning aids such as high quality kerosene / acetone, inspection, preparation & submission of reports & as built drawings for NPCIL acceptance. Note: Grit blasting and painting will be measured in the respective BOQ items.

Supply of E7018/E7018-1 carbon steel welding electrodes confirming to AWS A 5.1/IS 814:2004 with a diameter 3.15 mm and length 450 mm ( NPCIL approved brands only allowed)

Fabrication & erection of small bore pipe supports (10NB to 80NB)

Fabrication & erection of pipeline supports for pipe size 80NB to 300NB

Fabrication & erection of pipeline supports for pipe size DN>=300NB

Radiographic Testing of weld joints: Development of procedure & technique sheets, identification of weld joints, providing & cutting the films to the required dimensions, providing & shifting of radiographic cameras, films, & its accessories, to location, placing the joint identification markings on the film cassette, carrying out radiographic examination of the weld joint as per applicable RF codes & standards, working drawings and technical specification, processing the films, interpretation of results, preparation of reports and submission for acceptance. This work also providing radiography cameras, radiographic sources, establishing storage facilities for RT sources as per AERB guide lines, dark room facility & other processing facilities for processing films, RT film storage racks, ISNT/ ASNT level-II qualified personnel, manpower, tools & tackles,

Dye penetrant examination : Development of procedure , identification of joints , cleaning , carrying out Dye penetrate testing as per the procedure , working drawings and technical specification by ISNT/ ASNT level-II qualified personnel, , preparation of reports & submission for acceptance, post test cleaning . This work includes providing scaffolding, arranging manpower, tools, tackles, all the DPT consumables of NPCIL approved brands, cleaning consumables.

Fabrication and erection or modification of Metal structure: Study of revised working drawings including DCN/FCN/TAR , handling/dismantling, fabrication, fit up & welding, shifting and leading the material to location, erection, site welding, inspection, preservation as per working drawings and technical specification. This work also includes shifting of material to site , providing scaffolding / temporary platforms for working, cutting/machining of seismic stopper plates, man power, tools, tackles, plant and machineries, welding electrodes , other consumables, cleaning of area, segregation of unused material, shifting to store, preparation of DMS working drawings and reports and submission for acceptance Note-1:Grit blasting and painting will be measured in the respective BOQ items. Note-2:Shifting and depositing of unused materials to store will be measured in respective BOQ item

Grit blasting and primer application on structure and pipe support material: Handling, transportation of material , girt blasting the surface to required roughness , supply of primer paint zinc anode 304 (NPC) of Berger make or Asian paints or other equivalent with prior approval from NPCIL, application of primer over the grit blasted surface for thickness of around 60-75 microns as per drawings and technical specification. This work also includes arranging manpower, tools & tackles, establishing the grit blasting facility, cleaning consumables, steel grit as per requirement, handling and shifting of material, preparation of reports and submission for acceptance

Supply and application of epoxy paint on metal structures and pipe support material: Supply of epoxy paint such as Apcodur 641CS of Asian paints or protectomastic of Berger paints or any other equivalent paint with prior approval from NPCIL for pipe, pipe support and other structures .This work includes storage, preparation & submission of IMIR for acceptance, cleaning the surface, application of two coats of paint over already primed surface of total thickness of 240 - 260 microns (including thickness of primer) at various elevations & locations as per drawings and technical specification. This work also includes providing manpower, necessary tools, tackles, aluminum ladders, cleaning aids, cotton waste, and preparation of report & submission for NPCIL acceptance.

Supply of Hilti make anchor Fasteners:

Anchor HSL 4-G M10 D15X121

Anchor HSL 4-G M12 D18X147

Anchor HSL 4-G M16 D24X200

Anchor HSL 4-G M20 D28X235

Undercut anchor HDA-T M10X100/20

Undercut anchor HDA-T M12X125/30

Undercut anchor HDA-T M16X190/40

Fixing of Hilti anchor fasteners using diamond core cutting : Core Drilling, cleaning and fixing of Hilti anchor fasteners using diamond core drilling in various buildings, at various location & positions as per working drawings and technical specification. This work includes identification, marking, providing Hilti machine of various type & capacities, shifting & positioning, tools, tackles, performing core drilling using diamond core drill bit in reinforced concrete by qualified operators, cleaning , fixing of anchor fastener with required torque, cleaning the area, providing manpower, cleaning aids, preparation of reports and submission for acceptance,

HSL-4G size upto M12

HSL-4G size above M12 and upto M20

H DA-T size upto M12

H DA-T size above M12 and upto M20

Marking and diamond core cutting : Core cutting on reinforced concrete wall/floor using diamond core bits in various buildings, at various location & positions by qualified operators . This work includes identification, marking, providing man power, necessary tools & tackles, machinery, water supply arrangement, shifting material to required location, drilling mounting hole, setting up machines, performing core drilling using diamond core bits in reinforced concrete, cleaning the area, disposal of debris to identified location, inspection as per working drawings & technical specification , preparation of reports and submission for acceptance.

Core drilling for dia less than or equal to 200mm

Core drilling for dia greater than 200mm

Handling & transportation of material within plant site : Identification of material to be shifted, handling, loading material on to the truck/trailer, shifting the material to the required location as per instruction, weighing in weigh bridge unloading the material in desired position & location, preparation and submission of report. This work also includes providing tools and tackles , plant and machinery and man power, consumables as per tender specification.

Erection and dismantling of scaffolding: Erection of scaffolding using standard MS pipes cross supports, MS clamps, for making approach/ working platforms and removal of the scaffolding , after the completion of work including arrangement of man power, plant & machinery , tools & tackles, consumables, and completion of work as per tender specification and working drawings. Note: The base size (plan) & height of scaffolding erected shall be considered for the measurement. No inclined supports, lateral support bracing etc. projected beyond base size shall be considered in measurement for payment.

Erection, welding and dismantling of temporary stainless steel pipe line for flushing of piping systems : Study of flow sheets and isometric drawings, identification of temporary loop requirements, marking on flow sheet & submission for acceptance. Identification of material required, receipt of material from NPCIL stores, Handling, transportation, marking , cutting, edge preparation, fit up , welding using GTAW & SMAW and pre fabrication of temporary spools, shifting to location, erection , fit up and welding in situ to as per requirement , carrying out inspection, generation of reports , obtaining clearance from NPCIL for cutting the erected spool, shifting the spool outside the building, handling & transporting back to NPCIL store and carrying out material accounting including arrangements of all man power, tools, tackles, P&M, consumables ( Except welding filler wires / electrodes) ,completion of work as per tender specification

Area Housekeeping: Housekeeping of area including cleaning the floors by sweeping & mopping and collection of waste, disposal at designated area, removal of dust , unwanted sticking, foreign particles etc., from the surface of equipment, pipelines, valves, etc., and collection and removal of debris like wooden scrap, woods, paper, cement blocks, solid mortar, sand, soil, aggregate, cut pieces of wires/cable, waste sheets, etc. from various areas (inside and outside the buildings ) and disposal at designated location by trailer/Tata 407.This work will be on operation day basis. One operation day means completing the above jobs once in all the above area, with deployment of 5 manpower on daily basis.

Dewatering including ,arranging, installation and operation of pumps: survey on daily basis on the water logging areas, making necessary arrangements, carrying out dewatering of sumps in various buildings and locations using dewatering pumps and connecting hoses, preparation of reports. This work also includes arranging manpower, supply of 8 no's of dewatering pumps(will be retained by NPCIL after completion of work order) of portable type, hoses up to 80NB size and all other required tools and tackles completion of work as per tender specifications.

Supply and commissioning of dewatering pumps with 3 phase and 5HP power rating and minimum discharge head of 20 meters and minimum discharge capacity of 400 LPM. This works also includes transportation, storage, moving the consignment to the working location, erection, testing and commissioning, maintenance of equipment's as specified in the technical specification,

carrying out dewatering of sumps in various buildings and locations using supplied dewatering pumps

Miscellaneous works: Obtaining clearances & carrying out miscellaneous activities like opening & tightening of flanges, replacing gaskets, replacing gaskets in thermowells , removing , cleaning & re-assembling of mechanical strainers etc as per the NPCIL requirements , preparation of reports and submission for acceptance. This work includes arranging necessary manpower, tools & tackles, scaffolding, cleaning consumables etc

one skilled fitter / grinder/ rigger etc carrying out works as a part of pre-commissioning hand over checks for 9hrs a day ( including lunch hour) is considered as one operation

One Semi skilled manpower ( khalasi, etc) performing such activity for 9 hrs a day ( including lunch hour) is considered as one operation

one unskilled helper carrying out works as a part of pre-commissioning hand over checks for 9hrs ( including lunch hour) a day is considered as one operation

Study of working drawings , flushing schemes prepared by NPCIL, taking the field measurements, preparation of as built working drawings & reports, taking day to day instruction from NPCIL Engineer for supervising the site fabrication , erection , upkeeping activties, fluhsing activities such as OTO of valves, drain pipeline laying etc. One diploma supervisor performing such activity for 9 hrs a day ( including lunch hour) is considered as one operation.

PES Engineers Private Limited

POWER TECH MECH PRIVATE LIMITED