Steel Pipeline Laying and Associated Works at Ernakulam GA to connect IOCL Hijas Kathrikadavu

Laying Works: In Soft Soil Loading, Unloading material from CGS ,Excavation, trenching, pipe line laying, welding, Radiography (100%), joint coating, lowering, laying of warning mat, hydro testing, pipe line cleaning , swabbing, site restoration, installation of route marker (as per norms of PNGRB), submission of as built drawing and pipe book , testing and commissioning including Nitrogen Purging.

MATERIAL - "Receiving and taking over" as defined in the specifications, handling, loading, transportation and unloading of Owner supplied 3-Layer PE coated pipes & fittings from Owner's designated stack-yard to Contractor's stock yard/ workshop/ work-site. Execution of preliminary activities, preparation of drawings, wherever required for crossing etc. including handling, stacking, stringing on the pipeline in Right-of-Use/ pipeline route alignment. Carrying out inspection of company supplied materials including line pipes at the time of taking over, laying/ installation of coated line pipes, associated buried valves, flanges, Tees & fittings of all sizes. Making availability of additional lands required for Contractor's storage, fabrication, access for construction etc. Procurement and supply of all materials (except Owner supplied materials), consumables, equipment, labour and other inputs. Carrying out all temporary, ancillary, auxiliary works required for ready for commissioning of pipeline as per drawings, specifications, codes, PNGRB regulations, T4S, other provisions of Contract document and instructions of Engineer I/C, including but not limited to carrying out the following works:

SURVEY - Surveying of route and detours required at the time of execution including marking the same in topographical sheet, preparation of construction drawings showing survey details, and submit same to Owner for review/ approval.

ROU - Clearing, Grubbing, Grading & Raking up of all kind of surface of any type including plants (excluding forest plants & trees which shall be under DFO/ Concerned Authority Instructions), shrubs, metal, concrete, bituminous, tiled, brick lined, soft rock etc. All tiles/ slabs/ curb stones etc. removed during excavation shall be placed properly. Any type of rake up surface to be restored to its original position.

TRENCHING - Trenching to all depths by excavation in all types of terrain/ strata including soft/ hard rock and various type of pavement/ footpath/ roads etc. including rock breaking, chiselling or otherwise cutting, excavation etc. as required and storing excavated soil, reusable materials at designated area as directed by Engineer in charge & as per the relevant standard/ specification etc. The minimum depth of the trench for laying of Steel pipeline shall be 1.5 - 2 Mtrs. (as directed by Authority/E-I-C) measured from lowest available datum level adjacent to the trench or the periphery of the pipeline route. The depth may increase accordingly at places as per site condition or as per SCC/ OISD-141/ OISD- 226, PNGRB T4S, ASME Codes etc. whichever is higher. Clearing the bottom of trench by removing boulder, pebbles, etc. Undertaking proper safety measures, installing side plates/bracing etc. for protection of trench sides from collapsing. Dewatering of trenches to be done properly and no extra soil to be left over on roads/site. Excavation required for preparation of Tie-In Pits is covered in this item. No extra/separate claims/payments under any clause/condition shall be made.

WELDING & NDT – Checking, cleaning, aligning, bending, cutting and bevelling (if required) of pipes for welding and field adjustments including pipe fittings, welding, carrying out non-destructive testing of welds as required including 100% radiography by X-ray for Mainline welding & Gamma-Ray for Tie-In Joints of lowered section (in trench) only and providing all requisite equipment, labour, supervision, materials, films, consumables, all facilities and personnel to process, develop, examine and interpret radiographs and other tests as required, carrying out repairs of weld joints found defective by Engineer-in-Charge, carrying out re- radiography and other tests as required on repaired joints. All tieing-in, including the tie-in(s) of the pipeline with the adjacent sections of pipeline including cutting of test header, rebevelling as required, radiography and other NDT examination, joint coating as per specification.

COATING - Coating of field weld joints, bends, elbows, buried fittings and valves etc. including supply of coating materials etc. (i.e. heat shrinkable sleeves and high build epoxy etc.) as per Technical Specification compatible with 3 layer PE coating material of the line pipe. Carrying out repairs of pipe defects/ replacement in case of irreparable defects and repairs of defects of pipe coating not attributable to Owner including defects/ damages occurring during transportation/ handling.

LOWERING & BACKFILLING - Installation/ lowering the pipeline in trench to required depth, supply and placement of PE warning mat Anti-Rodent type as per approved specifications over the pipeline along the complete route, padding around pipeline with suitable approved soil including supply of padding material, backfilling with available & borrowed earth (if required), approved excavated material and/or other suitable soil by crowning. Supply and installation of slope breakers, wherever required or, as directed by Owner, Engineer–in–charge. Supply and installation of bank protection along with backfill materials duly approved by EIC for pipeline trench and banks falls under minor water body crossing as per technical specification & Std. Drg., wherever required or, as directed by Owner/ EIC. Training and diversions of streams in steep slope area, wherever required. Supplying and filling coarse sand under floors, in foundations, floor, trenches, plinth etc. including cost-of sand, royalty, transportation, loading, unloading, spreading in layers not exceeding 20 cm., watering, ramming, compacting, dressing and levelling etc. complete in all respects inclusive of cost of all labour, materials, tools, tackles etc. as per drawings, specifications and direction of E-I-C.

RESTORATION - Supply and installation of construction markers (RCC Markers - to be installed at a distance of 50 mtr through out of pipeline), clearing, fencing, grubbing, cutting of trees, full filling all the requirements of various statutory/ environment authorities to the entire satisfaction of concerned authorities, grading of work area. Shifting of all obstruction within the ROU/ Pipeline route alignment viz. electrical lines/ poles, telephone line/ poles, etc. coordination with concerned authorities and obtain permissions from these authorities. Final clean- up of right-of-use or area disturbed by contractor during their construction activities for laying of pipeline works and disposal of debris and surplus material to designated disposal areas and backfilling of trench and compaction of the same as per satisfaction of Owner and / Or as directed by Engineer I/C.

TESTING - Carrying out air cleaning, pigging, flushing, cleaning and hydrostatic testing of complete pipeline as per specification and approved by Engineer I/C to specified pressures indicated elsewhere and duration after stabilization as per specification, providing all equipment, pumps, fittings, instruments, dead weight tester, pressure recorder, thermocouples etc., and services, supervision, labour, consumables, water etc. as required and approved by Engineer I/C.

AS-BUILT - Preparation of as-built drawings, pipe-books (3 hard copies of pipebook including as built drawings and 2 soft copies) All the works shall be executed in accordance with the provision of contract including carrying out all temporary/ ancillary/ auxiliary works required for the performance of the works and all other acts, deeds, matters and things necessary to make the pipeline ready for pre-commissioning activities.

4"x 6.4mm Wall Thck X-42 Pipeline Laying (1.5 m Pipe Top Cover)

Note :-Pipe free issue by Client

Installation of SV / Tap Offs :

All works for fabrication and installation of all piping above ground at all elevations and below ground at all depth for Sectionalising Valve Station along with preparation of construction drawings duly approved by EIC, in all type of terrains and soils including transportation and handling of all Owner supplied materials i.e. Ball valve, other types of valves, line pipes for mainline, for all branch line from Owner’s designated place(s) of issue to work site.

This includes carrying out all mechanical works of underground and above ground piping including fabrication, welding, non-destructive testing of welds, weld repairs/ retesting, cleaning/ flushing, pre-hydro testing for pipeline,fitting assembly & Pneumatic testing for valves, dewatering, functional testing, cutting of mainline and bevelling (if required).

Assembly, including radiography of tie-in joints, corrosion, coating and external painting as required, installation of instruments like pressure/ temperature instruments/ gauges along with complete SS Tubing works including supply of SS Tube and their accessories etc., as required, obtaining all statutory clearances, approvals and permissions for the works (wherever required), making of valve pit as per relevant drawings for SV Stations cum- tap-off points filled with sand, excavation and filling in all types of soils including soft/ hard rock for installation of piping/ pipe supports providing pipe supports, area fencing and gate including all associated civil and structural works; painting, finishing, clean-up and restoration of site; preparation of as-built drawings, documents and project records and performing all works as per drawings, specifications, other provisions of Contract document and instructions of Engineer-in-charge.

All civil/ structural works including area fencing and gate, valve pits, piping support etc. is covered in this item. All coupling, nipples etc. as required shall be supplied by contractor but no separate payments shall be made as it is covered under this item rate.

Note:-Valves are free issue by Client

Installation of Valves

Handling, Storage, Installation/Erection, tie-in of valve assembly with station piping/pipeline including radiography of tie-up joints, functional testing,etc Precommissioning and Commissioning as per Owner's representative specification for all type of Valves

Note:-Valves are free issue by Client

Valve Chamber Construction

SCOPE - All civil works including supply of all material, excavation of pit, piping & valve supports including all PCC and RCC/ Brick works for valves pit, pedestals with insert plates as required sealing of pipe at valve pits, providing cover etc and finishing, clean up and restoration of site, filling and grading of area around the valve station to avoid any local flooding of area, as per specification enclosed and instruction of Engineer-in-Charge. Rate to include cost of all labour, tools, tackles, equipment, hire charges, supply of all materials, shuttering in all conditions etc. with all bye works and sundry works.

EXCAVATION - Earth work in excavation in all kinds of soil, mixed strata, hard rock upto any depth including trimming of sides of the trenches/ valve pits, dressing, ramming and levelling the bottom of the trenches correct to level, grade etc. including bailing out of water, if any, filling in sides of foundation trenches, plinth etc. with the excavated earth available and/ or depositing the excess earth within station area limits, in layers not exceeding 20 cms. thick, consolidating each deposited layer by ramming, watering, dressing to level and grade, complete in all respects inclusive of cost of all labour, materials, tools, tackles etc. as per drawings, specifications and direction of Engineer I/C.

PLAIN CEMENT CONCRETE - Supplying and laying plain cement concrete of grade M 20 with stone aggregate 20mm down grade (including shuttering if required) in all types of concrete works including levelling courses below foundations, columns, pedestals, pedestal bases, pipe supports, floors, chambers, cable trench, under floors and any other locations, at all levels and locations as per drawings, specifications and directions of the Engineer I/C.

SAND - Supplying and filling coarse sand under floors, in foundations, floor, trenches, plinth etc. including cost-of sand, royalty, transportation, loading, unloading, spreading in layers not exceeding 20 cm., watering, ramming, compacting, dressing and levelling etc. complete in all respects inclusive of cost of all labour, materials, tools, tackles etc. as per drawings, specifications and direction of Engineer I/C.

REINFORCED CEMENT CONCRETE - Providing and laying RCC (reinforced cement concrete) of grade M-25 with 20mm and down grade crushed stone aggregate in all types of sub-structures like Beams, foundations, walls, columns, pedestals, pedestal bases, pipe supports, sleepers, cable trench, RCC retaining wall foundation for boundary wall including construction joints, bitumen painting on surfaces in contact with soil, shuttering, supplying and fixing MS inserts, finishes etc. at all depths and levels complete as per drawings, specifications and directions of the Engineer I/C.

REINFORCEMENT - Supplying and providing reinforcement (for reinforced cement concrete works) Thermo-mechanically treated Fe-415 bars conforming to IS:1786 including initial straightening of coiled/uncoiled bars, removal of loose rust, cutting, bending to correct size & shape, binding with 18 gauge G.I. wire at each intersection and placing at any position, at any height and depth complete in all respects inclusive of cost of all labour, materials, tools, tackles etc. as per drawings, specifications and direction of Site Engineer.

Rate to include cost of all labour, tools, tackles, equipment, hire charges, supply of all materials such as minimum 43 grade OPC cement including sulphate resistant cement for sub-structures, inserts, bolts, conduits, bitumen, excavation, PCC M-10 in mud mat, other minor construction materials, shuttering , staging, testing of concrete, curing etc. except reinforcement steel with all bye works and sundry works complete

BRICK WORK - Providing brick work with brick class designation M-7.5 of IS:1077 in cm1:4 (1 cement : 4 sand) in steps, walls, retaining walls and load bearing structures drains, or any shape with all lead, depths & height including curing, scaffolding, etc., as per specifications and drawings with all bye-works and direction of the Engineer-in-charge. (Rate to include cost of all labour, tools, tackles, equipment, hire charges, supply of all materials such as minimum 43 grade cement bricks, finishes, bitumen, other minor construction materials, shuttering, staging, masonry work, plastering, painting etc. with all bye-works and sundry works).

STRUCTURAL WORK - Supplying, fabricating and fixing M.S. structural steel work made of joists, tubes, pipes, channels, angles, plates, flats, bars etc. for struts, chain link fencing posts as per drawing including gate, ladders, safety grills, walkways, collapsible gate, signboards, supports for cable trench, making slots for barbed line, wire hoisting, placing in position, embedding in concrete, applying two coats of epoxy paint "EPILUX 155 High Build Enamel over a coat of EPILUX 610 Primer of M/s Berger or any other approved equivalent make as per manufacturer’s recommendation, complete in all respect including cutting to required size welding of joints, fixing anchor plates, bolts, threading, nuts, washers, sleeves etc. and necessary lettering of approved pattern on main gate, signboards etc. complete in all respects inclusive of cost of all labour, materials, tools, tackles etc. as per drawings, specifications and direction of Site Engineer. (excluding the cost of concrete work).

CONSTRUCTION OF BRICK VALVE CHAMBER (SIZE 2000 X 1000 X 2000 MM (APPROX.)

INSTALLATION OF CARRIER PIPE BY HDD METHOD

SCOPE - Complete work of installation of carrier pipe at crossings or wherever required by HDD method for roads, nala, drain and canal wherever required in all types of soils/ murram and terrains including scope covered in Item A above but not limited to string preparation of pipes, welding, welding repair, radiography, coating of field joints with special type of Heat Shrink Sleeve (Dirax) and repair of pipeline coating with special repair patch materials as per Specification, pre- testing/ post testing etc. of complete string made for crossing. Rate for this SOR item for steel pipeline laying is inclusive of carrier pipe string preparation (Welding, NDT, Pretesting, Coating, Hydro testing, Pre-commissioning etc.).Incl. Installation of Warning Marker at Entry and Exit Point.

SURVEY - Pre-Construction survey based on site visit, collection of data (if required) from concerned Authority including design and detail engineering and making of crossing/ laying along route drawings for getting their approval from concerned Authority/ Engineer-in-Charge, getting work permit/ NOC for crossings as well as utility crossings (if any) encountered during crossings prior to start of the execution of work. Additional land required for placement of HDD equipments and/ or string preparation shall be in Contractors scope.

DRILLING - Drilling to required depth including maintenance/ restoration of drill hole in all types of soils/ murram/ mixed strata, all depth to accommodate the pipeline at all conditions encountered during crossing/ laying along route by approved HDD methods procedure for providing minimum cover specified in code/ specification/ PNGRB regulations or as decided by concerned authority, whichever is more.

RESTORATION - Backfilling of the ditch/ trench including restoration and clean-up of area and all other works including cleaning, gauging and final hydro testing etc. along with mainline works required as per specification, approved drawings, calculations, methods and to the satisfaction of Engineer I/C and/or as directed by concerned Authority.

INSTALLATION OF CARRIER PIPE BY HDD METHOD - Uncased CROSSING (Soft Soil)

4" NB Uncased crossing by HDD M/C

Laying of MDPE to be incoperated with description

INSTALLATION OF MDPE PIPE BY HDD METHOD

LAY, PIPE, HDD, W/O CASING, 90 MM

TEMPORARY CATHODIC PROTECTION

Design, detailed engineering, supply, installation, testing and commissioning of the temporary Cathodic protection system using Mg/ Zn galvanic anodes to protect the external surface of 3 LPE coated entire length steel pipeline network against corrosion for design life of minimum 2 years or till commissioning of PCP system whichever is later as per standard specification for temporary cathodic protection system. Scope shall also include but not limited to the following for completion of jobs:

Measurement of soil resistivity along the right of way of the main pipeline route as per specification for design & installation of anodes. Collection of additional data related to cathodic protection along the right of way of pipeline as per specifications.

Supply, installation, testing & commissioning of one set of spark gap arrestor with 2 plate Zinc grounding cell of 20 kg net weight each across each insulating joint as per specification. Supply & installation of Zinc Ribbon Anodes at 4-8 O'clock position in the interval of 2 metre (max.) on carrier pipes at all cased crossings i.e. railways/ roads etc.

Supply, installation, testing & commissioning one set of polarisation cell with zinc anode at all high tension (66KV or higher) electrical power transmission line/Equipment crossing or running parallel to the pipeline for grounding purpose as per specification. The rating shall depend upon anticipated fault current & ground bed resistance at the location of installation. However, the rating of polarisation cell (krick) shall not be less than 5 KA & number of 20 kg net weight zinc anode shall not be less than two.

Monitoring of the protection system till commissioning of pipeline or till final handover, whichever is earliest..

All civil/ structural works related to TCP system including supply of bricks, cement & steel etc. required for completion of the system.

The quantities mentioned above are tentative and quantities for above including supply items shall be finalised & procured by Contractor only after due approval of EIC. Contractor supplied any surplus item during reconciliation shall not be accepted / taken by the Owner.

For all the supply items mentioned above, procurement shall be made as per specification & Data Sheets, after due approval of Engineer-incharge.

Scope Includes: SUPPLY AND INSTALL, CATHODIC PROTECTION TEST STATN - 45nos with 10sq mm armoured copper cable and 7.7 Kg Magnesium anode with 6 sq mm copper cable along with backfill material of bentonite and sodium sulphate SUPPLY AND INSTALLATION OF HT TLP'S with zinc grounding cell of 20Kg and polirisation cell of reputed make with 25 sq mm armoured copper cable - 9nos SUPPLY AND INSTALLATION OF Surge Diverter's of Dehn make - 13 nos Work includes soldering/thermit welding with suitable insulation of Epoxy dobefill 60 + Hardner 758 at all TLP's Vendor to indicate make's for all bought out items along with test certificates for approval

4"x 6.4mm Wall Thck X-42 Pipeline Laying (1.5 m Pipe Top Cover)

Other Items

Breaking of Bituminous Road / Tar Road / Hard Soil

Chipping Carpet Road Restoration: Excavation – 1100mm thick (1.10m3); Sand Filling – 650mm thick (0.65m3); Granular Sub-Base (GSB) – 250mm thick (0.25m3); Wet Mix Macadam (WMM) – 200mm thick (0.20m3); Prime Coat – 1 m2; Premix Surfacing – 1m2

BM BC Road restoration: Excavation – 1100mm thick (1.10m3); Sand Filling – 550mm thick (0.55m3); Granular Sub-Base (GSB) – 250mm thick (0.25m3); Wet Mix Macadam (WMM) – 200mm thick (0.20m3); Prime Coat – 1 m2; Tack Coat – 1m2; Bituminous Macadam (BM) – 50mm thick (0.050m3); Bituminous Concrete (BC) – 30mm thick (0.03m3)

Restoration of BM & BC Road

Restoration of PCC Road

Crossing by Moling Method

Crossing of Various small roads or any other utilities within ROU (for more than 1.5 mtr) within City area by Manual Moling method. Survey of under ground utilities, execution of the work as per specification, including excavation of pits moling with testing & commissioning and restoration of the pits to original condition, submission of As-Built Graph as per specifications and the instruction of Engineer-in-charge.

PERMANENT MARKERS

Permanent Markers supply, fabrication and installation of all types of permanent markers along the route including all associated civil works such as excavation in all types of soil, construction in all types of soil, construction of pedestals and grouting with concrete, clearing, supply and application of approved colour and quality of primer and paint (powder coated), stencil letter cutting for numbers, direction, chainage etc., restoration of area to original condition and performing all works as per drawing, specification and instruction of Owner/Owner’s Representative

PLANT PIPING (ONLY FOR ABOVEGROUND WORKS/ CNG STATION/ DRS & MRS LOCATIONS)

Transportation of all piping items from Owner's and/ or Contractor's storage point to work at site/ workshop as applicable, complete work of fabrication, erection, painting, testing of pipes, flanges and fittings and making ready for further Commissioning/ Start-up of carbon steel piping of all sizes and ratings including supply of all consumables, equipment, manpower and other resources and execution of, but not limited to, the following works in accordance with relevant drawings, specification and instructions of Engineer-in-charge and as per all provisions of the CONTRACT DOCUMENT.

Preparation of isometric and fabrication drawings. Preparation of final bill of material based on piping GADs. Fabrication including cutting, edge preparation, inclusive of grinding the edges of pipes, fittings, flanges etc. to match with the matching edges of uneven/different thickness wherever required, welding, attachment of all pipe fittings like elbows, tees, reducers. Supply of all Outlets less than 2" NB size, all sizes of nipples and coupling etc. as required for completion of job. Weldolets, sockolets, flanges, vent and drain point connection etc., including providing stubbing connections, fabricated fittings and reinforcement pads etc., as required.

Erection including prior cleaning, lifting, placing on pipe sleepers and supports, overhead on racks, skids and at all elevations including installation and carrying out connected activities for all types of valves including supply and fixing of gaskets, studs/ bolts, nuts wherever required for all sizes, levelling, aligning, joining of flanges, blind flanges, connecting with equipment, nozzles, strainers, tie- in with existing piping/facilities, etc. tapping for inline instruments like pressure gauges, thermo wells, sample connection, etc. Carrying out Non-destructive testing as required. All butt welded fittings & flanges end shall generally match with connecting pipe wall thickness. However, in case of misalignment, Contractor shall have to do end preparation without any extra cost.

Surface preparation before application of primer by means of sand blasting including supply of approved quality of sand, manpower, machineries, tools & tackles to achieve required roughness as per specification and as per instruction of Engineer-in-charge.

Painting of entire system (including aboveground all pipes fittings, flanges and accessories) as per specifications suitable for highly corrosive area environment including supply of approved paints and primers, application of primer and paints, identification lettering/ numbering, colour coding, etc. as specified including rub down & touch up of shop primer or scrapping of shop primer wherever required by COMPANY and providing scaffolding for all heights etc.

Cleaning and flushing by water/ compressed air, testing of the systems including hydrostatic, pneumatic and any other type of testing as specified, draining, drying by compressed air/other methods approved by COMPANY.

Precommissioning & making operational all piping system and equipments. Commissioning Contractor scope shall provide all necessary assistance in term of supply of man-power, equipment, tools and tackles required amount of nitrogen for purging of entire terminal piping system including equipments etc. to the company during commissioning activities.

Completion of all such work in all respects as per scope of work and as per drawings, specifications and instructions of the COMPANY and keeping the system ready in all respects for further commissioning and start up.

Complete Carbon Steel aboveground Piping Work with painting including all fittings, flanges and supply of all required gaskets, studs bolts & nuts etc.

All Outlets less than 2" NB size, all sizes of coupling and nipples etc. as required shall be supplied by contractor but no separate payments shall be made as it is covered under erection rate.

All civil/ structural works including area fencing and gate, piping support etc. is covered in this item.