Indian Oil Corporation Limited Tender

Carrying out tieing-in and hook-up with existing Mainline on either sides including all excavation/ trenching in all kinds of soil including rock,transportation of pipe from owner's stackyard, cold cutting of pipe, pre-testing(hydrotest) of pipe sections before hook-up, making field bends out of pre-tested pipes (pipes shall be supplied by Owner) to match the site requirement, welding with safety equipments, Nitrogen purging, mud plugging, foam pigs insertion, ultrasonic thickness of pipe, DP test, TOR fittings and welding on pipe, carrying out 100% radiography, field joint coating, holiday detection, repair of damaged coating, backfilling and making through the pipeline etc. complete in all respects in line with standard operating procedure under close supervision and as per the direction of the Site-Engineer /Engineer-in-charge. (Pipe Replacement)

Taking delivery of MOVs for mainline from Owner's stockpile/ godown, preparation of pup pieces of specified length from owner supplied pipes of higher wall thickness, welding of pup pieces to both sides of valves, providing instrument tappings in MOVs, hydrostatically testing the valves & installing at designated locations on the mainline in accordance with the specifications and drawings, welding & 100% radiography of weld joints, repair of weld joints etc., complete in all respect including all works and material in foundation, RCC underground valve supports etc., including PU Coating of underground portions and painting of overground portions / valve enclosure etc. with aluminium paint over a coat of primer, and including supply of all materials (other than those specifically undertaken to be supplied by the Owner), consumables & inputs complete as per specifications, drawings & instructions of Site Engineer / Engineer-in-Charge.

28" INSTALLATION OF SECTIONALISING VALVES (MOVs) ON MAINLINE (OUTSIDE STATION PREMISES) INSIDE RCP/ MOV STATIONS

Laying of Owner-supplied pre-coated mild steel line pipes, including arranging all additional land/construction corridor, beyond Owner's ROU/ROW, required for Contractor's storage, fabrication, access for construction site, movement of construction equipment etc., receiving and taking over Owner-supplied materials, handling, transportation etc. from Owner's issue point to work site, stringing along Right of Way (ROW)/ pipeline corridor, providing labour, equipment and supply of other inputs & materials/ consumables necessary to perform and complete the work in all respects in accordance with the contract including, but not limited to, the following works:- - Taking delivery of pre-coated/ bare pipes from the designated stockpile location (loading of pipes onto pipe trailors placed inside stockpile by mainline contractor shall be done by Owner's authorized agency), including placing of pipe trailors for taking delivery of pipes from designated stockpile, carrying out holiday detection and verification of pipes at the time of taking delivery), transportation of pipes to ROW/ work site/ Contractor's storage location etc., - Clearing and grading of ROW/ pipeline corridor, cutting of trees, vegetation etc. including keeping record of trees cut, including de-watering etc., - Stringing of pipes along ROW including providing straw bags/ soft padding below pipe (in Rocky areas requiring blasting for preparation of trench, pipes shall be strung after the blasting operation and clearing of trench as per instructions of Site Engineer/ Engineer-in-Charge), - Trenching to all depths to maintain clear earth cover as per specification and to fit minimum bend radius, by excavation in all kinds of terrain & soil, including stripping top soil to a depth of 30cm to the full anticipated width of the ditch and storing this material separately along the ROW to allow re-depositing of the same on top of the backfilled ditch (in cultivable and other areas specially designated by Owner), - Carrying out repair of pipe & coating defects for defects occurring after "taking over" of pipes from Owner, replacement in the case of non-repairable defects and repairing damages to pipe coating including defects/ damages occurring during transportation & handling, - Aligning, bending, lining up, cutting and beveling (as required) of pipes for field adjustments, welding (manual / semi-automatic / automatic), physical inspection of all weld joints by qualified welding engineer/ inspector & carrying out repair of weld-joints found defective, Carrying out 100% radiographic inspection (by X-Ray)of all field weld joints , including providing Crawler type Automatic X-Ray machine and external X-Ray machine and all other requisite equipment, labour, supervision, materials, approved films, approved consumables, all facilities and personnel to process, develop, examine and interpret radiographs (by qualified and experienced Radiography Inspector), providing all facilities to Owner's representative(s) for examining radiographs and other tests as required, carrying out repair of weld-joints found defective, carrying out re-radiography and other tests as required on repaired joints, etc., - Carrying out coating of all field weld joints, by qualified coating insulators, including supply of approved joint coating materials, providing all equipment, materials and consumables necessary to carry out the job as per manufacturer's recommendation, - Installation of hot-pulled bends at required locations in mainline (bends to be fabricated from Owner-supplied bare pipes) including cutting, beveling, fitment, coating the bare bend pipe with approved heat shrink sleeve coating, - Carrying out holiday detection, at specified voltage level corresponding to coating type and as per specifications, and repair of coating, if any, -Laying pipeline by open-cut method at crossings viz., cart-track, village road, metalled/ un-metalled roads, minor water courses (MWC) etc.,(except crossings identified as "Cased", "Submerged" & "HDD" crossings and "Marshy areas") and restoration of the crossing site to original condition including performance of additional works for strengthening of banks of water courses etc., - Lowering the pipeline in trench, tieing-in, backfilling with excavated earth and/or other suitable soil (top soil stored separately during trenching shall be backfilled on top of the ditch) as directed by Site-Engineer, - Carrying out air cleaning, gauge pigging and hydrostatic testing (to specified pressure) of the complete pipeline (excluding those HDD crossing sections not under the scope of this tender) including providing 'pre-testing' of designated sections as approved by Engineer-in-Charge, providing all equipment, pumps, fittings, instruments, dead weight tester etc. and services, supervision, labour, consumables, testing of water, supply & injection of corrosion inhibitor, locating leaks, if any, and rectification of defects attributable to Contractor, re-testing after rectification etc. and cleaning the pipeline section after successful hydrotesting, - Supply and installation of 1.0 mm thickness & width (D+300) warning mat over entire pipeline as per relevant specification - Final clean-up and restoration of ROW/ construction corridor, field bunds etc., obtaining NOC from statutory authorities (as required) and obtaining NOC from respective land owners in respect of final restoration of their land etc, disposal of debris and returning surplus material to designated disposal areas/ storage location, as directed by Engineer-in-Charge, restoration of land, facilities and boundary wall etc. for facilities dismantled/ damaged by Contractor during construction, - Preparation of as-built drawings, pipe book and other records as per specifications etc., - Supply of all materials (other than those specifically undertaken to be supplied by the Owner under the contract) necessary for performance of work or for temporary or permanent incorporation in the works, and - All other acts, deeds, matters and things necessary to make the pipeline ready for commissioning and completing the works in all respects as per drawings, specifications and instructions of Site Engineer/ Engineer-in-Charge. NOTE: I) The rate quoted against this item shall include cost of excavation and backfilling of trench of standard width (as per approved drawings) in all kinds of soil for laying Mainline pipe. II) In the course of hydrostatic testing of the mainline section, if any defective portion/ pipe/ work is found to be due to a defect in the pipe attributable to the Owner, the Owner shall supply the additional necessary pipes at Owner issue point required for the work free of cost to the Contractor, but the Contractor shall supply all other materials and inputs at his own cost for replacement of pipe section. The Contractor shall be paid a lump sum amount for each such failure (refer relevant clause of Special Conditions of Contract of the tender documents) for the work involved in locating & identifying the defects in the mainline and in their repair/rectification as per the specification. Failure in one or more pipes in a section during a single pressurization cycle shall be considered as a single failure for the purpose of compensation for hydrostatic test failure on account of manufacturing defect. III) Installation of the hot-pulled bends in Mainline, including cutting beveling of pipes, fitment etc., shall be inclusive in the Mainline rate. Payment for fabrication of hot-pulled induction bends, as per specifications, shall be done separately as per relevant item of SOR. The hot-pulled bends shall be coated at site with heat shrink sleeve coating. The cost of the same shall be deemed to be included in this item for Mainline laying.

28" OD MAINLINE LAYING WORKS - LIQUID PIPELINES

Supplying, providing and filling fine sand in trenches in hard rocky stretches (Excluding additional 150mm deep trenching for rock trenching) around mainline pipe for providing a minimum padding thickness of 150 mm on top as well as at bottom of the mainline pipe. NOTE: (i) Item to be operated under specific instructions from Engineer-in-Charge (ii) Cost of additional depth of 150mm trenching for this item shall be paid separetly under item for "Extra for Rock trenching"

28" SAND PADDING (IN HARD ROCKY AREAS)

Supplying, providing and filling Soft Soil in trenches in hard rocky stretches (excluding additional 150mm deep rock trenching) around mainline pipe for providing a minimum padding thickness of 150mm on top as well as at bottom of the mainline pipe. In all cases where rock or gravel or moorum or hard soil is encountered in the bottom of the trench, trench padding, Rock Shield Materials and sand/soft soil bags as approved by OWNER/Engineer-in-Charge, shall be provided to safeguard the pipe coating. Padding materials shall be graded soil/other suitable material containing no gravel, rock, or lumps of hard soil. The graded soil for padding shall pass through sieve size ASTM-10 or ISO-2.00. Acceptable padding shall be placed under the pipeline before its installation and around it after installation, to establish at both sides and on top of the pipe a permanent layer of padding. The thickness of compacted padding shall be at least 150mm. The trench shall be deeper by at least 150mm. The trench shall be evenly and sufficiently padded to keep the pipe, when in place, at least 150mm above the bottom of excavated trench. NOTE: (i) Item to be operated under specific instructions from Engineer-in-Charge (ii) Cost of additional depth of 150mm trenching for this item shall be paid separetly under item for "Extra for Rock trenching"

28" SOFT SOIL PADDING (IN HARD ROCKY AREAS)

Supplying & providing approved type of extruded polyethylene mesh (rock shield) on mainline pipe to protect the coating against rocky soil including supply of all inputs such as labour, materials, consumables etc. necessary to perform and complete the work in all respects in accordance with the specifications, manufacturer's recommendation and instructions of Site Engineer / Engineer-in-Charge. NOTE: 1. Proper lateral as well as transvers overlap shall be provided as per specifications/ manufacturers recommendation

28" ROCK SHIELD

Dismantling the existing under ground piping, locating, retrieving including excavating the proper trenches by cutting the pipes without damaging other portions of work. The job includes evacuation of the contents of the piping, cutting the pipes to required sizes as directed, taking out valves, flanges, tees, bends, gaskets, nuts, bolts etc., handling, transporting and storing at owner's designated store in safe manner to avoid damage including supply of all labour, materials, equipment consumables etc. necessary to perform and complete the work in all respects as per drawing, instructions of the Site Engineer / EIC. (Payment shall be made on the linear measurement of dismantled piping including bend, tees, reducers etc.). Note : The contractor shall indicate the piping system to be dismantled and shall take specific approval from the Site engineer before dismantling of pipe.Certain redundant pipes which in the opinion of the Owner need not be retrieived, those items shall not be dismantled.

Flood coating by R-95 Powercrete Liquid epoxy paint (Consisting Part A & Part B mixed in ratio as per manufacture recommendation over mainline pipe/ leak clamp/ sleeve etc. including surface preparation as per tender specification & application of liquid epoxy paint (Powercrete R-95) over finished surface. The cost includes all materials( liquid epoxy R-95) consumables, labour etc. The thickness of flood coating shall be 900-1000 micron.