Numaligarh Refinery Limited has published Tender For Above Ground Piping Fab Erection Piping Insulation Structural Erection And Other Associated Miscellaneous Works For Nrep Project At Numaligarh Refinery Assam. Submission Date for this Tender is 01-08-2023. Thermal Power Plant Tenders in numaligarh Assam. Bidders can get complete Tender details and download the document.
| Sr No | CorrigendumDate | Corrignedum | CorrigendumType | NewSubmissionDate |
| 1 | 21-Jul-2023 | Corrigendum 1(EMD Revision) | Fee | 01-08-2023 |
| 2 | 26-Jul-2023 | CORRIGENDUM 2 | Other | 01-08-2023 |
| Sl. No. | Item Description |
| 1 | SP-1: PART-A : CIVIL & STRUCTURAL WORKS-SRUCTURAL STEEL |
| 2 | Receipt of Structural Materials from OWNER"s Store / Storage yard , loading, local transportation up to either Contractor"s storage yard / erection site,unloading, assembly, erection, alignment, bolting / welding of Fabricated Structural Steel Elements / Structural Modules in position along with fixing of all type of Connection Bolts (Erection, Hot Dip Galvanised/Non-Galvanised Permanent bolts), shim plates, as per Specifications, Layouts and Fabrication Drawings released for IFC. Scope includes erection of all types of steel structures, pipe racks, pipe bridges, shelters, platforms, structural supports, steel supports inside buildings, etc., Scope shall include all activities like Bolting, Welding, Aligning, making necessary alterations caused due to mismatch of Bolt Holes and / or during fabrication, mechanical / Electrical / Pneumatic Torque Tightening of Bolts, cleaning, giving final touch up paint(specification TP-1ZZZA-PI-SPE-0003) where ever required as per specification to the welded/fabricated parts or damage during transportation and erection, etc as required complete in all respect. All Electrodes shall be in Vacuum packed with a demarcation "H4R",(if applicable). Making necessary arrangement of required labour, equipment, tools & tackles, Cranes, Manlift, steel scaffolding, consumables, transport, etc to execute the works at all heights as per drawings and specifications along with all related works in order that the Structure is handed over to the complete satisfaction of the Engineer-in-charge. (Exclusions: Erection of steel flooring, ladders, stairways, and handrails). Permanent connection Bolts shall be supplied as Free Issued Material to the Erection Contractor. However, Contractor to supply Temporary erection Bolts and shim plates within the quoted Price for erection. Measurement shall be done as per AFC Fabrication drawing Net weight. Weight ofTemporary erection bolts shall not be considered for payment. |
| 3 | Receipt of Structural steel materials (including gratings, handrails and ladders) supplied by steel fabricator and Unloading at OWNER"s Storage yard. |
| 4 | HANDRAIL |
| 5 | Receipt of Fabricated Materials from OWNER"s Store / Storage yard,loading, local transportation up to Contractor"s store / erection site, unloading, assembly, Erection of already fabricated and painted Handrails as per requirements indicated in Standard Drawings, IFC Layouts and Fabrication Drawings. Scope shall include all activities like fixing of all type of Connection Bolts (Erection, Hot Dip Galvanized/Non-Galvanized Permanent bolts) as per Specifications, Welding, Aligning, making necessary alterations caused due to mismatch of Bolt Holes, Torque Tightening of Bolts, cleaning, giving final touch up paint as perspecifications tothewelded / fabricated parts,etc.asrequired complete with all tools and tackles , equipment and labour, for all and heights along with all related works in order that the Structure handrails is handed over to the complete satisfaction of the Engineer-in-charge. Permanent connection Bolts shall be supplied as Free Issued Material to the Erection Contractor. However, Contractor to supply Temporary erection Bolts and shim plates within the quoted Price for erection. Supply of erection nuts and bolts / fasteners are included in this item. Measurement shall be As per AFC Fabrication Drawings Net weight. |
| 6 | For straight handrail |
| 7 | For stair case/inclined handrail |
| 8 | LADDERS/ CAGE / SAFETY GATE/ SAFETY BARRIER ERECTION |
| 9 | Receipt of Materials from OWNER"s Store / Storage yard ,loading, local transportation up to Contractor"s store / erection site, assembly, Erection of already fabricated and painted Ladders/Safety Cage/Safety gates/Chains with or without cagealong with fixing of all type of Connection Bolts (Erection, Hot Dip Galvanized/Non-Galvanized Permanent bolts), Safety Gate, all as per Specifications, Layouts and fabrication Drawings. Scope shall include all activities like Bolting, Welding, Aligning, making necessary alterations caused due to mismatch of Bolt Holes, Torque Tightening of Bolts, cleaning, giving final touch up painting as per specifications to the welded parts, etc. asrequired completewithalltools, equipmentand labour, for all heights along with all related works in order that the Structure is handed over to the complete satisfaction of the Engineer-in-charge. Permanent connection Bolts shall be supplied as Free Issued Material to the Erection Contractor. However, Contractor to supply Temporary erection Bolts and shim plates within the quoted Price for erection. |
| 10 | Same as above and Ladder and cage |
| 11 | Same as above and Safety gate / chains |
| 12 | SUPPLY, FABRICATION & ERECTION MS CHEQUERED PLATE |
| 13 | Supplying MS chequered plate (5 mm to 10 mm thickness), transporting, fabricating, fixing at various levels with help of supports cleat/stiffeners on floors, platforms, stairs, including grinding edges & supplying all bolts, nuts, washers etc., including necessary modification for supporting structure, drilling holes in plates and supporting structure including one coat of inorganic Zinc Silicate primer(Avg. 75 micron thickness), includingforming cutoutsinchequeredplatesand reinforcing edges byM.S.strips; providing toe plate of 100x5 mm height all along the edges, complete as per drawing, specifications & as directed by Engineer in Charge. |
| 14 | ERECTION OF GRATING |
| 15 | Receipt of Materials from OWNER"s Store / Storage yard,loading, local transportation up to Contractor"s store / erection site, unloading, Erection of Prefabricated and painted/Galvanized flooring/Grating for all types of platforms and as per standard drawings and/or specifications, fixing in line or level, including toe guard, bolting and or stich welding as necessary( Ref: TP-1ZZZA-CV-SDD-0003_D2), incorporating cut-outs where shown in drawings, painting as specified and wherever required, repairs of damaged surface coat after erection, complete with all tools, equipment and labour, for all depths and heights as per drawings and as directed by Engineer-in-Charge. Inspection and testing. Surface as measured on IFC drawing. Openings shall not be deducted if lower than 0.09 m². Cut Outs above 300mm is in the scope of Structural Steel Fabricator Scope. Below 300 mmsize,cut out shall be done by Structural erection Contractor as per relevant standard within quoted Price for Grating Items. |
| 16 | For Square/rectangular Gratings |
| 17 | Supplying, erecting and fixing of electroforged hot dip galvanized MS self colored 100x5 mm flat (IS2062 Gr.BR) conforming to standards, as edge protection member for openings in Gratings made at site by contractor, all complete as directed by Engineer in charge. |
| 18 | Receipt of Materials from OWNER"s Store / Storage yard /loading, local transportation up to Contractor"s store / erection site, Erection of Treads made up of Gratings as prefabricated panels including delivering the same to the actual site of execution. Scope shall include all activities like Supply and fixing of all type of Connection Bolts (Erection, HotDip Galvanized/Non -Galvanized Permanent bolts) as per Specifications, Welding, Aligning, making necessary alterations caused due to mismatch of Bolt Holes, Torque Tightening of Bolts, cleaning, giving final touch up paints as per specifications to the welded parts, etc. as required complete with all tools, equipment and labour, for all depths and heights along with all related works in order that the Structure is handed over to the complete satisfaction of the Engineer-in-charge. |
| 19 | For Stair Tread of 900X275 mm |
| 20 | For Stair Tread of 750X275 mm |
| 21 | NON-SHRINK GROUT |
| 22 | Supply and laying of Non-shrink cementitious grout for grouting of base plates, under base frames or other anchoring elements for structures and/or machines, including roughening & cleaning of surfaces, form-works, chamfering of edges, smoothing of exposed surfaces, Curing, making flush to the existing RCC surface by chipping & finishing, RCC surface to be made wet for 24 hrs. before grouting, providing all tools and labour necessary to complete the work as per drawings and approved manufacturer’s specifications and as per the directions of Engineer-in-charge. Volume measured on IFC drawings. |
| 23 | Non-shrink cementitious grout GP1/GP2 as perapproved Vendor List,Drawings and Specifications |
| 24 | ORDINARY CEMENT SAND GROUT |
| 25 | Supply and laying of Ordinary Cement Sand grout (1:2) under base plates of cross- overs, short pipe supports (not exceeding 1.5 m height) and small operating platforms (not exceeding 2.0 m height) not supporting any equipment, temporary structure like Barricading (height not exceeding 10m), including roughening & cleaning of surfaces, form-works, chamfering of edges, smoothing of exposed surfaces, Curing, making flush to the existing RCC surface by chipping & finishing, providing all tools and labour necessary to complete the work as per drawings and approved manufacturer’s specifications and as per the directions of Engineer-in-charge. |
| 26 | Structural Modification Works MISCELLANEOUS CUTTING/WELDING WORKS (Not applicable for regular works as per issued drawings but applicable only for specific re-works/ modification works / Miscellaneous works as per directions of E-i-C where reasons for Modificationare not attributable to Contractor) |
| 27 | Structural steel dismantling |
| 28 | Gas cutting in Structural beams, plates etc |
| 29 | Grinding in Structural beams, plates at cutting locations etc |
| 30 | Welding in Structural beams,plates etc |
| 31 | Surface Preparation and Painting as per Specification |
| 32 | Re-erection of Structural Steel |
| 33 | Straightening at grade and/ or in position |
| 34 | chipping, cleaning at grade and/ or in position |
| 35 | Steel Fabrication / Weldingat grade and/ or at Elevation |
| 36 | Supplying & applying finish coats for all heights including cleaning the surface of dust and loose particles, touching up of damaged primer coat, including all labour, scaffolding, tools, consumables, etc.,as per structural steel paints specifications,(TP-1ZZZA-PI-SPE-0003),drawings and as directed by Engineer in Charge. |
| 37 | To surface of structural steel |
| 38 | To Handrailing |
| 39 | Galvanising by Paint any type of already fabricated structural steel member / element / Accessories like ladders, Handrails, Stairs, etc by using any method as required by the specifications, drawings and / or Engineer-in-charge and handing over the elements / modules in a ready to erect stage. |
| 40 | Supplying, fabrication, erecting and fixing of Galvanized MS Toe Guardconforming to standards / design sketch as edge protection member where ever required, all complete as directed by Engineer in charge. |
| 41 | BARRICADING |
| 42 | Supplying, fabricating structural temporary movable barricading with primer painting as per standards/specifications/drawing touse at site where ever reqired as directed by Engineer in Charge. |
| 43 | SP-1: PART-B : PIPING FABRICATION & ERECTION , INSULATION AND PAINTING WORKS - PIPING WORKS FOR PROCESS UNITS & OFFSITES & UTILITIES |
| 44 | PIPING (ABOVE GROUND) : - Receipt of free issued Materials, transportation of all piping item(s) from Owner"s storage point to worksite/work shop; fabrication including cutting, edge preparation, (inclusive of grinding the edges of pipe, fittings, flanges, Graylock Flanges, etc. to match with the mating edges of uneven/different thickness wherever required), For galvanized pipings - Surfaces where galvanizing is burnt-off shall be wire-brushed and cold galvanized with zinc-coating compound.1” wide PTFE tape may be used in the threaded joints.; Graylock Flanges, clamps seal rings, Locking arrangement for valves (CSO, CSC, LO, LC): fitup, bending, preheating wherever required, welding, threading, and laying of pipes of all types and thickness overexisting and new -overhead on racks, sleepers and at all elevations, connecting with equipment nozzles, strainers, sight glass, steam traps, expansion bellows, orifice assemblies, spray nozzles, rotameters, mixer, special piping inline items, mixer, tappings for pressure gauges, thermowells, sample connections, springs, sample coolers, purging panels and associated tubing, pressure relief valves, desuperheater etc. and fixing of gaskets, bolts, nuts including application of torque wherever required & all other inline instruments, and fittings , like elbows, reducers, tees, vents, drains, SW/threaded valves upto 1.5 NB, Steam Supply/ Condensate Recovery stations (Cast/ Fabricated), alignment, Fixing and welding of RF pad measured as 1.5 Times of mother pipe, cleaning & flushing loop wise and system wise by water/compressed air, hydrostatic, pneumatic, vacuum, spark testing , reinstatement, card board blasting, leak test, inertization, hot bolting if required and any other type of testing as specified, |
| 45 | draining, drying by compressed air, providing of PMI Machine and performing Positive Material Identification (PMI) of existing/new lines using alloy analysers by Level-II qualified NDT Technician, completing all such works in all respects as per the specifications, drawings and instructions of Engineer-In-Charge. Contractor to note that supply and safe upkeep of PMI Machine is Contractor"s responsibility and no separate payment shall be made for PMI Testing and contractor should include the same in quoted rate for Piping fabrication /erection rate for piping towards PMI testing. Preparation of necessary documentation & compilation of IBR Dossier for the IBR System and Taking IBR approvals for the required IBR systems is in Contractor Scope. Rates for tubing (if any) shall include rates for valves, fittings, all in line instruments and testing etc.Contractor to prepare spooling drawing (with necessary details like spool numbers, weld joint number along with shop and field identification, flange joint numbers, cut pipe length, test pack number and other details as required ) using necessary software and spooling is in contractor scope. Scope of piping fabrication and erection works also Includes Instrument piping hook up items like impulse pipes, fittings etc., from piping isolation valve to instrument shall be fabricated, erected/installed based on the instrument hook drawing and other applicable standards. Isometrics shall not be issued for impulse pipings. (Instrument Impulse piping and fitting are free issue to contractor). For CPVC Pipings, contractor scope of works also includes supply ofPrimer (as per ASTM F656) and Solvent (as per ASTM F493) for Chlorinated Poly(Vinyl Chloride) (CPVC) Plastic Pipe and Fittings. Contractor scope also includes Supply and installation of Bird screens. For coated pipes, item rates shall be inclusive of supply and application of coating of Weld joints (internal) as per Specification/recommended practice by coating vendor / Manufacturer. Quoted rates includes Contractor"s all Tools & Tackles, Construction equipments, Steel Scaffolding as per safety norms, all consumables including welding rods, filler materialsetc., local barricading / welding booths etc.required for completion of Works. Erection/reerection of Graylock coupling, Filler flange. For all type of testing, Contractor scope also includes supply of testing fittings as per PMS (SWRF, SORF, WNRF, end caps, blind flange, gaskets, Studs, valves, pressure gauges, etc.), Certified testing manifolds and tools & tackle and Quoted rates includes welding and cutting for the above for testing purpose. |
| 46 | Contractor is required to take preventive measures for protection of painted Spools by using Pipe rigging FRP roller or any appropriate method for pulling the Pipes. Nothing extra shall be payable in this regard. Rates shall include shifting of Fabricated and painted spools to NDT yard/laydown yard, stacking of spools and further shifting to erection site. The quoted rate shall be inclusive of Scaffolding required for carrying out the Job and no extra payment shall be admissible on account of Scaffolding and time.The rate is also inclusive of Spool marking drawing with the use of latest software and As built drawing after completion of Physical work at site. The Contractor scope of Works also includes carrying out Precommissioning and commissioning activities such as dropping of the valves, control valves, safety valves, orifice plates, thermowells, spool pieces etc. , air and water flushing including supply of piping adaptors and hose and air blasting, steam blowing (including supply of all temporary piping items and silencer for steam blowing), air drying, reinstalling the valves, control valves and spool pieces, leak testing,strainer cleaning, blinding, deblinding including supply and fabrication of tail flanges etc. as per Pre-commissioningand commissioning specifications / procedure and instruction of Engineer-in-charge including supply of necessary hand tools, equipments / machineries, consumables (electrodes, filler wires, gas, card board, target plate, scaffolding/piping materials etc. wherever required). |
| 47 | FABRICATION |
| 48 | CARBON STEEL (INCLUDING LTCS & BRONZE VALVES) PIPING (NON IBR);THK. <= 10MM |
| 49 | NB UPTO 1.5 INCH |
| 50 | NB 2 INCH - 6 INCH |
| 51 | NB 8 INCH - 14 INCH |
| 52 | NB 16 INCH - 24 INCH |
| 53 | NB 26 INCH - 30 INCH |
| 54 | CARBON STEEL (INCLUDING LTCS & BRONZE VALVES) PIPING (NON IBR);THK. > 10MM AND <= 20MM |
| 55 | NB 8 INCH - 14 INCH |
| 56 | CARBON STEEL PIPING (NACE);THK. <= 10MM |
| 57 | NB UPTO 1.5 INCH |
| 58 | NB 8 INCH - 14 INCH |
| 59 | CARBON STEEL PIPING (NACE);THK. > 10MM AND <= 20MM |
| 60 | NB 2 INCH - 6 INCH |
| 61 | NB 8 INCH - 14 INCH |
| 62 | CARBON STEEL PIPING (IBR);THK. <= 10MM |
| 63 | NB UPTO 1.5 INCH |
| 64 | NB 2 INCH - 6 INCH |
| 65 | CARBON STEEL PIPING (GALVANISED); 3" AND BELOW (THREADED ENDS- Seal weld ); THK. <= 10MM |
| 66 | NB UPTO 1.5 INCH |
| 67 | NB 2 INCH - 3 INCH |
| 68 | CARBON STEEL PIPING (Internal Epoxy Coated);THK. <= 10MM |
| 69 | NB 2 INCH - 6 INCH |
| 70 | CPVC PIPING;THK. <= 10MM |
| 71 | NB UPTO 1.5 INCH |
| 72 | NB 2 INCH - 6 INCH |
| 73 | ERECTION |
| 74 | ALL MATERIALS;THK. <= 10MM |
| 75 | NB UPTO 1.5 INCH |
| 76 | NB 2 INCH - 6 INCH |
| 77 | NB 8 INCH - 14 INCH |
| 78 | NB 16 INCH - 24 INCH |
| 79 | NB 26 INCH - 30 INCH |
| 80 | ALL MATERIALS;THK. > 10MM AND <= 20MM |
| 81 | NB 2 INCH - 6 INCH |
| 82 | NB 8 INCH - 14 INCH |
| 83 | NON DESTRUCTIVE TESTING |
| 84 | RADIOGRAPHY: - Performance of radiographic inspection on piping of all types & thickness including providing or hiring of all necessary equipment and whatever else even though not explicitly mentioned but required to perform the work as per specifications (NR-0ZZZZ-PI-SPE-0006) and instructions of Engineer-in-charge. Rates are inclusive of radiography machine, manpower, consumables etc.and all other equipments required to perform the radiography at all heights including staging Scaffolding to the satisfaction of Engineer-in-charge. Radiographs shall be submitted to the Engineer-in-charge. (Repeat Radiography due to defective radiograph on repaired joints due to Contractor"s fault and for additional radiography necessitated due to poor performance of contractor"s welders shall be done at contractor"s cost and nothing shall be paid as extra) |
| 85 | Film Radiography by Gamma rays / X Rays |
| 86 | Radiography using Close proximity method with using Selenium (Se 75) source / Equivalent source. |
| 87 | Radiography by Digital Method |
| 88 | DYE PENETRATION/ MAGNETIC PARTICLE TEST : - Performance of Magnetic particle/ dye penetrant test including supply of all necessary materials; equipments and labour for carrying out the work as per specification and directions of Engineer-in-charge. |
| 89 | DYE PENETRATION TEST |
| 90 | MAGNETIC PARTICLE TEST |
| 91 | WET FLOURESCENT MAGNETIC PARTICLE TEST |
| 92 | ULTRASONIC TESTING |
| 93 | ULTRASONIC TESTING BY CONVENTIONAL METHOD (PAUT) |
| 94 | STRESS RELIEVING : - Carrying out stress relieving of weld joints on all types of piping as called for on shop/site fabricated already erected system including supply of materials, consumables,recording devices, insulation materials, all electrical boards with safety devices safety equipments, instruments etc. providing all normal & special equipment and gadgets, skilled / unskilled labour, specialist, supervisory staff and completing the work in all respects as per specifications and instructions of Engineer-in-charge. Repeat performance due to defective stress relieving or any other account shall be on Contractor"s cost (Payment shall be done only after submission and approval of charts. Stress relieving shall be followed by measurement of hardness and no separate payment shall be made for this). Note: Unit for stress relieving quantity is " Nos. of circumferential weld joints" |
| 95 | NB.0.5 INCH |
| 96 | NB.0.75 INCH |
| 97 | NB.1 INCH |
| 98 | NB.1.5 INCH |
| 99 | NB.6 INCH |
| 100 | NB.8 INCH |
| 101 | NB.14 INCH |
| 102 | NB.16 INCH |
| 103 | NB.24 INCH |
| 104 | HOT INSULATION (Supply & installation) : - Providing thermal insulation including supply of all insulating and ancillary materials, vapour barrier, weather protective coverings, consumables and other necessary materials (including supports, clamps, ancillary materials for complete installation of Insulation), testing of materials as required, including transportation of materials to work site, duly inspected by TEN inspector at manufacturer"s shop & sample check/inspection at site by TEN Constructhe on, binding, tying, lacing, stitching and/or otherwise securing, finishing with sheet cladding asper spec, providing bolts, rivets and self tapping screws wherever specified, providing inspection windows, end seals for flanges etc., colour coding and identification. Providing steel scaffolding, all tools, tackles, equipments etc., labour, supervision and completing the work in allrespect, at all heights as per drawings, specificationsNR-0ZZZZ-PI-SPE-0003 and instructions of Engineer-in charge. Contractor scope also includes Supply and Installation of Removable weather shield cover, All material required for weather shielding for flanged joints and pipe including job at site with all required tools to perform job shall be in contractor scope, Job shall be performed as per standard NR-0ZZZZ-PI-SPE-0003. Measurement method for insulation shall be as per IS 14164. |
| 105 | INSULATION TYPE: IH / IT, SURFACE MATERIAL :CS & AS, OPERATING TEMP RANGE: ABOVE 125 DEG C UPTO 550 DEG C, INSULATION MATERIAL: ROCKWOOL INSULATION TYPE:IS, SURFACE MATERIAL :CS & AS, OPERATING TEMP RANGE: ABOVE 350 DEG C UPTO 550 DEG C, INSULATION MATERIAL: ROCKWOOL |
| 106 | NB 0.5-0.75 INCHES, THICKNESS 40 MM |
| 107 | NB 2 INCHES, THICKNESS 40 MM |
| 108 | NB 3 INCHES, THICKNESS 40 MM |
| 109 | NB 4 INCHES, THICKNESS 40 MM |
| 110 | INSULATION TYPE: IE, SURFACE MATERIAL : CS & AS, OPERATING TEMP RANGE: UPTO 170 DEG C, INSULATION MATERIAL: INNER LAYER : ROCKWOOL AND OUTER LAYER : POLYURETHANE / POLYISOCYANURATE |
| 111 | NB 0.5-0.75 INCHES, THICKNESS 50 MM |
| 112 | NB 12 INCHES, THICKNESS 50 MM |
| 113 | PIPE SUPPORTS |
| 114 | PIPE SUPPORTS (MATERIAL SUPPLIED BY OWNER): Fabrication, erection (at all elevations) of all types of pipe supports like shoes, cradles, hangers, tie-rods, rigid struds, Sliding plates/Low Friction Pads, Heat isolation blocks, clamps (of all sizes/thicknesses manufactured by forming method using die), turn buckles, saddles, guides, special supports, pads, and trunnion supports etc. of all types including shot blasting, supply and application of one coat of primer, intermediate & final paint, all necessary equipments, consumables, labour, returning surplus materials and scraps etc. to OWNER"s storage point and completing work as per drawings, specifications and instructions of Engineer-in-charge. Modifications/rectifications, if required; and adjustments/alignment during precommissioning, commissioning as per the instructions of Engineer-in-charge. Installation of Spring hangers shall be in contractor"s scope. The scope of Works also includes grouting of supports, if required as part of Pipe Supports Works within the quoted price which includes supply of grouting materials also and nothing extra shall be payable in this regard. While fabricating the supporting elements the Contractor will ensure that dimensions shown in the drawings match with the site conditions. Additional supports as necessary with the site condition shall be fabricated and erected in accordance with the Standard. The measurement shall be done in MT of finished support. Wastage shall not be considered. Also unlocking of the Spring / hangers / and /or adjusting of turn buckles etc. during commissioning shall be in the scope of Contractor within the quoted price. Welding of supports with mother pipe shall be included in erection rate for Pipe Supports on MT basis. |
| 115 | Dummy Pipe Supports for C.S. |
| 116 | PIPE SUPPORTS (MATERIAL SUPPLIED BY CONTRACTOR): Supply, Fabrication, erection (at all elevations) of pipe supports like shoes, cradles, hangers,tie-rods, rigid struds, Sliding plates, Heat isolation blocks, clamps, U-Bolts, turn buckles, saddles, guides, special supports, pads, T post, brackets and trunnion supports etc. of all types including supply and application, shot blasting,one coat of primer, intermediate & final paint, all necessary equipments, consumables, labour,and completing work as per drawings, specifications and instructions of Engineer-in-charge. Modifications/rectifications, if required; and adjustments/alignment during precommissioning, commissioning as per the instructions of Engineer-in-charge. Installation of Spring hangers/strut/sliding plates/Snubber & tie rod shall be in contractor"s scope .The scope of Works also includes grouting of supports, if required as part of Pipe Supports Works within the quoted price which includes supply of grouting materials also and nothing extra shall be payable in this regard. While fabricating the supporting elements the Contractor will ensure that dimensions shown in the drawings match with the site conditions. Additional supports as necessary with the site condition shall be fabricated and erected in accordance with the Standard. The measurement shall be done in MT of finished support. Wastage shall not be considered. Also unlocking of the Spring / hangers / and /or adjusting of turn buckles etc. during commissioning shall be in the scope of Contractor within the quoted price. |
| 117 | Carbon Steel Supports |
| 118 | PAINTING |
| 119 | Supply of paints and primers, preparation of surfaces and application of primer and finish paints, identification ( Line numbering), lettering, stencilling of equipment/piping, colour bands, colour coding, miscellaneous demarcation required as per site engineer such as marking on grade for underground lines/cable trays/trenches etc. As specified including rubdown and touch up of shop primer wherever required, providing scaffolding for all heights, labour, material, tools and tackles, consumables supervision etc. to complete the work in all respects as per Job spec. TP-1ZZZA-PI-SPE-0003 drawings and direction of Engineer-in-Charge for all type of uninsulated piping and insulated piping as specified including pipes, fittings, flanges, supports, valves, inline instruments etc. Surface preparation by blast cleaning and application of first coat of primer (as specified in Painting spec) shall be done in fabrication yard prior to erection. For insulated piping wherever blast cleaning with no primer application is specified (insulated SS), in such cases finish paints shall also be applied in the fabrication yard. The identification marks of the piping and joints shall be noted before blasting and the same shall be transferred on primed surface as per the instructions of Engineer-in-charge. |
| 120 | Notes: 1. All joints (fabrication as well as erection joints) shall be left unpainted till hydrotesting. 2. No extra payment shall be made for identification (line numbering etc.) of insulated and uninsulated lines. 3. Quoted rate for Painting of Piping also includes Lettering, Stenciling, colour Bands & Colour Coding etc. as per site requirement and Technical Specifications and nothing extra shall be payable in this regard. |
| 121 | PAINTING OF UNINSULATED CS/ LTCS/ AS PIPING |
| 122 | OPERATING TEMP GROUP (TABLE-1, 1.2): -14 TO 100 (DEG C) SSPC-SP-10, Primer - Inorganic Zinc Silicate (FP-6), 1 coat, 65 - 75 µm, Primer - Epoxy High build (FP-3A), 1 coat, 170 µm, Primer - Acrylic Polyurethane (FP-1), 1 coat, 40 µm Total Primer DFT= 285 µm Finish Coat - Acrylic Polyurethane (FP-1) - 40 µm will apply after pressure water wash & surface rubbing Cumulative DFT = 325 µm |
| 123 | NB 0.5 - 0.75 INCHES |
| 124 | NB 2 INCHES |
| 125 | NB 3 INCHES |
| 126 | NB 4 INCHES |
| 127 | NB 6 INCHES |
| 128 | NB 8 INCHES |
| 129 | NB 12 INCHES |
| 130 | NB 20 INCHES |
| 131 | NB 26 INCHES |
| 132 | PAINTING UNDER INSULATION OF CS/ LTCS/ AS PIPING : |
| 133 | OPERATING TEMP GROUP (TABLE-2, 2.1.1): -45 TO 200 (DEG C) SSPC-SP-10, Primer - Epoxy Phenolic (FP-10), 1 coat, 125 µm Finish Coat - Epoxy Phenolic (FP-10), 1 coat, 125 µm Cumulative DFT = 250 µm |
| 134 | NB 0.5-0.75 INCHES |
| 135 | NB 2 INCHES |
| 136 | NB 3 INCHES |
| 137 | NB 4 INCHES |
| 138 | NB 12 INCHES |
| 139 | Misc. Works (Related to Piping Fabrication and Erection) |
| 140 | MODIFICATION / HOOK-UPS :Cutting, bevelling, fit up, welding of different sizes of CS(IBR/ NON IBR)/AS/SS piping of all types and thicknesses in shop, in position, on ground/overhead on rack and at all elevations; transportation of pipes, fittings, flanges etc from owner"s storage point to work site/ work shop, making necessary scaffoldings, consumables, machinery, tools, tackles, labour, hydrotesting upto the nearest isolation point and supervision including attending repairs, arranging dewatering pump,hookup with existing lines for completing the work as per the instruction of Engineer-in-charge. For all type of testing, Contractor scope also includes supply of testing fittings as per PMS (SWRF, SORF, WNRF, end caps, blind flange, gaskets, Studs, valves, pressure gauges, etc.), Certified testing manifolds and tools & tackle and Quoted rates includes welding and cutting for the above for testing purpose.The rate for Modification/Hook up works is inclusive inclusive of Hydrotesting between and upto nearest isolation valve. |
| 141 | Flame Cutting C.S. Piping IBR/Non IBR |
| 142 | Bevelling C.S. Piping IBR/Non IBR |
| 143 | Fitup & welding C.S. Piping IBR/Non IBR |
| 144 | SUPPLY OF STANDARD NITROGEN BOTTLES REQUIRED FOR PRESSURISING FOR LINES BEYOND 7 KG/CM2 WHEN CONDUCTINGPNEAUMATIC TEST |
| 145 | Carrying out Precommissioningand Commissioning activities such as Blinding, De-blinding (including supply and fabrication of Blind plates), steaming & flushing of pipe lines and equipments, to make ready for hot works for unit shutdown with required tools & consumables, Valves operations, valve dropping, cleaning of strainers, Flange tightening and any other activities / assistance etc. as perCommissioning specifications / procedure and instruction of Engineer-in-charge including supply of necessary hand tools, equipments / machineries, consumables (electrodes, filler wires, gas, card board, target plate, scaffolding etc. wherever required) and with the single point responsibility of Contractor"s supervision. Note: This Manpower shall be utilized during shutdown assistance activities and forCommissioning assistance requirement over and above that already described elsewhere in the Price Schedule. One Manday is 12 Hour duty. Pre Commissioning requirement is alreadycovered in the respective Items Unit Rates and within the CONTRACTOR"s responsibility for Mechanical Completion. Unit Price for Supply, Fabrication and installation of Blind plates shall be paid separately as per Unit rate of Structural Steel Item. |
| 146 | Foreman / Supervisor (Highly Skilled) |
| 147 | Skilled Manpower (with Hand Tools, Equipment / Machinery, Consumables) |
| 148 | Semi Skilled Manpower (with Hand Tools) |
| 149 | Helper / Unskilled Manpower |
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