| 1 | 2 | PIPELINE INSTALLTION WORKS | | | |
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| 2 | 3 | WATER BODY CROSSING BY HORIZONTAL DIRECTIONAL DRILLING (HDD) | | | |
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| 3 | 4 | Pipeline installation across Gomti River and Nala at Jaunpur: Carrying out topographical, geotechnical and hydrological survey and collection of data to establish the river bed; Calculation of scour depth & preparation of crossing drawings for Company's approval. Installation of coated line pipes across river crossing by horizontal directional drilling in all types of soil strata including rocky strata as per specification, drawings, other provisions of Contract and instruction of Engineer-in-Charge, including but not limited to following works. | | | |
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| 4 | 5 | Receiving & taking over, handling, loading, transporting & unloading of Owner supplied materials (Pipes, valves, fittings etc.) from owner designated stores/yards/work sites.\nProcurement of and installtion of materials in contractors scope like Gaskets, studs & nuts, warning tapes, coating sleeves, etc. and any other material required for completion of project in all aspect. Getting contrctor supplied material inspected by owner or owner's representative and sbumssion of test certificates, test reports etc and preparation of material inspection report. Preparation and maintenance of all job related reports/radigraphic films.\nPrimary activities, preparation of drawings, site survey, underground utility survey, informing utility owners prior to laying activity, whatever required for crossing etc. including handling, stacking, obtaining Permission from statutory agencies in time bound manner with propoer liasioning, stringing on the pipline route, carrying out inspection of owner supplied materials including line pipes at the time of taking over, laying/installation of coated pipe, associated fittings and accessories. Insuring the owner supplied material against any kind of loss during transporation/storage/construction and after laying till the time pipeline is handed over to owner and defect liability period is over.Arrangement of all additional space/store required for contractor's storage, fabrication, procurement and supply of all other materials like consumables, equipment, amnpower and other inputs, carrying out al temporary,ancillary, auxiliary works, ready for commissioining of pipeline as per drawing/specification/instruction of owner or owner's representative/other provision of contract, including but not limited to carrying out the following works | | | |
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| 5 | 6 | Surveying of the pipeline route, detours required at the time of construction including making topographical sheet, preparation of AFC, crossing drawing etc. for owner's/owner representative's review and approval. | | | |
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| 6 | 7 | Propoer stacking of pipes on sleeves or sand bags as required by owner during storage of site construction. | | | |
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| 7 | 8 | Clearing, fencing, grubbin, cutting of trees, saplings, roots, fulfilling all requirements of various statutory/environment authorities to the entire satisfaction of concerned authorities, grading of work area, shifting of all obstruction within the RoW/pipeline route viz. electrical pole/lines, locating and demarcing underground utilities, co-ordinating with concerned authorities and obtain permissions from these authorities/agencies. | | | |
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| 8 | 9 | Carrying out repaires of pipe defects/replacement in case of irreparable defects and repair the defects of pipe coating not attributable to owner including defects/damages occurring during handling, transportation & laying. | | | |
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| 9 | 10 | Checking, cleaning, alinging, bending, cutting and bevelling (as required) of pipes for welding and field adjustments including welder test, elctorde qualification, procedure qualification, carrying out non-destructive testing as reuired, radiographic examinination of 100% weld joints, destructive tests as reuired, production tests as reuired and providing all materials, requisite equipment, labours, supervisors, consumables, films, all facilities and personnel to process, develop, examine and interpret radiographic films and other tests as required, carrying out repairs of weld joints found defective as per owner or owner's representative carrying out re-repair and re-radiography as required as per specifications/ standards. | | | |
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| 10 | 11 | Coating of field weld joints, bends, buried fittings etc including supply of coating materials duly approved by owner as per specification. | | | |
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| 11 | 12 | Carrying out cleaning, pigging, flusing, air cleaning and hydrostatic testing of complete pipeline with water from approved water supply source and required quantity of corrosion inhibitor inclduing pre-hydrotesting of designated sections of pipeline as per specification and approved by owner or owner's representative specified pressure indicated elsewhere and for duration after stabilisation as per procedure approved by owner or owner's representative, providing all equipment, pumps, fittings, gauges,pressure recorders, calibrated (not older than one month) dead weight tester, thermocouples etc. and services, supervision, labor, consumables as required, locating of leaks and rectification of defects and retesing after rectification of defects. Swabbing and cleaning of pipeline after hydrotest by suitable foam pigs to make pipeline free of moisture & dust (upto maximum of 10% increase in weight of foam pig after swabbing). | | | |
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| 12 | 13 | Pre-commissioning activities like swabbing, air cleaning, drying and inert gas purging of a complete pipeline network and associated facilities as directed by owner or owner's representative. | | | |
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| 13 | 14 | Maintaining the completed pipelines/installation for any defect, failure during defect liability period i.e. 12months from date of commissioning/inert gas puring of pipeline. | | | |
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| 14 | 15 | Ensuring proper safety codes & practices during construction, cordoning off the work area, providing warning signs, barricading and proper tools & tackles.Equipping the workers with safety boots, helmets and florescent aprons & barricading as reuired. The barricading is to be done throughout along the trench/welding string. Arranging proper lighting at site as required by owner or owner's representative. | | | |
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| 15 | 16 | Any other activities not mentioned/ covered explicitly above, but otherwise required for satisfactory completion/ operation/ safety/ statuory/ maintenance of the works shall also be covered under the scope of work and has to be completed by the Contractor within specified time schedule at no extra cost to owner. The pipeline laying shall be done as per specification, code & standard & guideline by Owner/ owner's Representative. | | | |
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| 16 | 17 | Preparation of as-built drawings, pipe-books (1 set of tracing on polyester film and 4 sets of as - built drawings (on A \"0\" size drawing sheets) and 1 soft copy and 2 copies of pipe book.) All the works shall be executed in accordance with the provision of contract including carrying out all temporary/ancillary/auxillary works required of the performance of the works and all other acts,deeds,matters and things necessary to make the pipeline ready for pipe commissioning activities. | | | |
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| 17 | 18 | Arrangement of land space for RIG placement, Pipe string etc. Liasioning for RIG side and Pipe side with land owners, statutory authorities etc. for smooth project activity | | | |
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| 18 | 19 | Arrangement of all additional land required for Contractor's storage, fabrication, access for construction; Development of temporary approach/ access road to work site for transportation of line pipes, bends, construction equipment's etc.; Complete work for the water crossing up to and including tie-in with existing pipeline, including all additional drilled lengths necessitated by Contractor's design of water crossing, mobilization and de-mobilization at site(s), supply of all materials as per \"Contractor's Scope of Supply\" including required length and all consumables, equipment, manpower and other resources, performing all engineering and calculations related to pipeline installation, preparation of all necessary construction drawings for Company approval mobilization and demobilization at site(s), preparation of detailed construction method statement and calculations, Strings preparation including welding, radiography, weld repair and re-test, pre-hydro testing of completed string, corrosion coating of field joints with dirax or equivalent heat shrink sleeves, Installation of pipeline below the river bed by horizontal directional drilling as per approved drawings and specification, hydrostatic testing as per Scope of Work & specifications including detection of leaks; repair of defects and retesting, etc., dewatering (pre- commissioning) and preservation, as required, up to the tie-in points in accordance with scope of work document (drawings and all provision of the tender document and instructions of Engineer-in-charge), fabrication and construction of protective fencing as required, restoration and clean-up etc. Preparation of as-built drawings and other records etc., all works as per scope of work, specifications, drawings, provision of contract document, calculations, construction method statements and instruction of Engineer-in-Charge etc., in all respect as per following details:\n | | | |
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| 19 | 20 | River name: Gomti with adjacent NALA | | | |
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| 20 | 21 | (8\") OD X 6.4 mm API 5L Gr. X-42, PSL2, 3LPE Coated line pipe. | BI01010001010000000000000515BI0100001131 | 800 | Mtr |
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| 21 | 22 | Note-1: Minimum pipeline cover shall be 15 m below the lowest bed level or 2.5 meter below the scour level, whichever is deeper. Contractor shall not be entitled for any extra payment for any extra depth beside the above necessitated due to location/ area constraint, capacity of rig etc. | | | |
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| 22 | 23 | Note-2: For payment purpose, length between two hook-up points of entry and exit shall be considered as crossing length. In case of non completion of hook-up work, length between center points of entry and exit pit (where depth of cover shall be minimum 1.2m) shall be considered as crossing length | | | |
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| 23 | 24 | TIE-IN & HOOK-UP WITH MAINLINE (Optional) | | | |
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| 24 | 25 | Carrying out tie-in and hook-up of the HDD section with the mainline section (to be executed by a separate agency), including all excavation, cutting of pipe, making field bends out of pre-tested pipes (pipes shall be supplied by the Owner) to match the site requirement, welding, radiography, field joint coating, backfilling and making the line through etc., all complete as per the specifications and direction of Engineer-in-Charge.\n | BI01010001010000000000000515BI0100001135 | 2 | No. |
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| 25 | 26 | IDLE TIME PRESERVATION | | | |
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| 26 | 27 | Preservation of the pipeline section for a period of three months and its maintenance by filling and pressurizing with nitrogen to a positive pressure of 2 bars (g). Supply and maintenance of nitrogen at required pressure, including supply of all consumables, nitrogen, all equipment, manpower, etc., complete as per requirement of specifications, other provisions of contract document and instruction of Engineer-in-charge. | BI01010001010000000000000515BI0100001137 | 800 | Mtr |
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| 27 | 28 | TEMPERORY CATHODIC PROTECTION | | | |
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| 28 | 29 | Supply, Installation, testing and commissioning of Test Lead posts (at locations, as directed); and including supply of weather proof test lead box with bakelite strip and brass bolt terminals, 4 inch MS pipe welded at one end with a separate MS plate to fit with the test lead box with a base plate welded at bottom , providing of PVC hard pipe for providing cable entry through foundation, erection of the Test Lead point over concrete foundation, supply and connection of cable to pipe & to the brass terminal bolt/bolts inside the test lead box, jointing the cables to pipe (using cad welding/ pin brazing technique), as specified, repairing the damage to coat & wrap (with coating repair etc, back filling the trenches, cleaning the site, applying 2 coats of aluminium paint over a coat of zinc chromate primer on the test lead box and MS pipe, etc. | BI01010001010000000000000515BI0100001139 | 1 | LS |
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| 29 | 30 | \nThe item also includes supply, installation / laying & termination of all XLPE, Cu cables of required length (as per site conditions) and size as mentioned in the standard drawings, cable glands and lugs etc. complete in all respect. The work shall include supply and fixing of a non-corrosive name plate containing the details like KM location, identification, TLP No., direction of flow, connection scheme, type etc., on the side of the TLP box, etc. complete in the all respect (including the cost of all labour, materials, tools and tackles etc.), as per the specification, drawing and instructions of the site Engineer. The name plate shall also include the details of corrosion coupon wherever installed. All as per the direction and specification detailed in the document complete with tools, tackles & other necessary requirement. The work complete in all respect shall include supply of all labour, tools etc complete as per the directions of the Site Engineer and as per drawings.\n\n | | | |
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