Realignment of 30 Inch OD Paradip Haldia Baruani Crude Oil Pipeline across Mahanadi River at Ch. 13.500 Km by Horizontal Directional Drilling Method, Tie-in and Hook-up with existing pipeline and associated works

GST % for the tender Please select the rate of GST in cell W13. Rate selected shall be applicable for the entire BoQ.

Execution of HDD, Hot tapping with hook

#Design, detailed engineering & installation of pipeline / pipeline & OFC conduit across rivers, NH, SH, Expressways, Railways, etc by HDD method. #Complete work for the crossing (between the limits, as indicated in the approved drawings) including mobilization & de-mobilization at site(s), supply of all materials as per the `Scope of Supply' and all consumables, equipment, manpower & other resources and arranging the required land for site preparations and execution of, but not limited to, the following works in accordance with the specifications, drawings and as per all provisions of the contract document and instructions of the Owner. #Interpretation of data of hydrological / geo-technical surveys furnished by the Owner, carrying out fresh topographic survey of the rivers, NH, SH, Expressways, Railways, etc & developing new profile drawing for the crossing location, carrying out additional surveys required for collecting data relevant to design and construction of the crossing, performing all engineering & design calculations, preparation of all necessary construction drawings for approval of the Owner as per the provisions of contract document, preparation of detailed construction method statement and design analysis. #Completion of balance works for existing two welded pipe strings of 30” OD × 0.812” (20.6 mm) WT, API 5L X70 grade, 3LPE coated pipes of lengths 648 m and 24 m, and fabrication of the balance pipe length to form a single continuous pipe string of the required length, including balance transportation of pipes, grading, stringing, welding, NDT, joint coating, repairs, air cleaning, gauge pigging, and pre-installation hydrostatic testing of the complete pipe string, etc. #Fabrication of 89mm OD steel conduit with an inner duct of 40mm OD HDPE pipe for OFC (wherever OFC has to be laid along with the carrier pipeline). #Supply & fixing of easy to install heat shrinkable duct end caps for HDPE conduit for OFC (wherever OFC has to be laid along with the carrier pipeline). #Installation of the pipeline / pipeline and OFC conduit as a bundle crossing below the rivers, NH, SH, Expressways, Railways, etc by single horizontal directional drilling operation to the correct profile as per the approved drawings. #Carrying out post-installation hydrostatic testing of HDD pipe string (along with transition pipe section). #Carrying out post-installation coating survey as per approved procedure. #Restoration, clean-up and disposal of drilling fluid, waste and all other surplus materials etc. #Transportation of surplus Owner-supplied pipes to the designated stockpile location of the Owner. #Preparation of as-built drawings and other records etc. #All other works not specifically listed herein, but required as per specifications, drawings, provisions of the contract document, calculations and construction method statement, leading to successful completion of the works. Note:-The Contractor shall have the option for installation of 89 mm OFC conduit as Bundled HDD installation along with the HDD installation of carrier pipe OR as a separate HDD instalation. However, the payment and payment terms shall remain the same in both the cases. The work includes:

Works for existing pipe strings of length 648m and 24m: Inspection of the existing pipe strings visually and/or with holiday detector for defects, including repair of all defects, #Complete site preparation including arranging of required land, setting up of fabrication yard, etc. #Carrying out repair of pipe defects, replacement in the case of non-repairable defects and repairing damages to pipe coating including defects/ damages occurring during transportation and handling. #Pre-construction surveys and collection of all necessary data. #non-destructive testing of 3 nos. joints by radiography (by X-ray), supply of films & all equipment and providing all facilities to Owner's representative(s) for examining radiographs, repair of welding defects in 17 nos. joints and retesting #Coating of the field joints of the pipe string to be installed by HDD method with DIRAX heat shrink sleeves of M/s Raychem's make, DDXTM Directional Drilling Kit of M/s Canusa or of any other approved make used for HDD crossings. #Repair of all coating damages in the pipe section to be laid by HDD method by full encirclement sleeves using suitable cut sections of approved quality of heat shrink sleeves of M/s Raychem make, DDXTM Directional Drilling Kit of M/s Canusa or of any other approved make.#Carrying out air cleaning, gauge pigging and pre-installation hydrostatic testing of the complete pipeline string, as per the specifications, including repair of defects and retesting etc.

Preparation of new pipe string: #Taking delivery and transportation of Owner-supplied 3LPE coated pipes to the work site from designated stockpile location except the 168m pipes, which are already available at site, inspection of the coated pipes visually and/or with holiday detector for defects, including arranging all necessary intermediate storage area required thereof till the pipes are installed in permanent position. #Complete site preparation including arranging of required land, setting up of fabrication yard, preparation of temporary arrangement for pipeline stringing, launching etc. #Carrying out repair of pipe defects, replacement in the case of non-repairable defects and repairing damages to pipe coating including defects/ damages occurring during transportation and handling. #Pre-construction surveys and collection of all necessary data. #String preparation in continuation of existing pipe strings including repair of pipe and pipe coating defects, welding, non-destructive testing of welds including 100% radiography (by X-ray), supply of films & all equipment and providing all facilities to Owner's representative(s) for examining radiographs, repair of defects in the welds and re-testing etc. #Coating of the field joints of the pipe string to be installed by HDD method with DIRAX heat shrink sleeves of M/s Raychem's make, DDXTM Directional Drilling Kit of M/s Canusa or of any other approved make used for HDD crossings. #Repair of all coating damages in the pipe section to be laid by HDD method by full encirclement sleeves using suitable cut sections of approved quality of heat shrink sleeves of M/s Raychem make, DDXTM Directional Drilling Kit of M/s Canusa or of any other approved make.#Carrying out air cleaning, gauge pigging and pre-installation hydrostatic testing of the complete pipe string, as per the specifications, including repair of defects and retesting etc.

Hot tapping - Double Double Stopple with Bypass Hot-tapping works on mainline of specified line size with double-double stopple in existing mainline with tempoprary housing to housing bypass line: Mobilization of Equipments, Hot Tapping, stopple machine, Cold cutting machine, sandwich valves, welding machine& consumables, cutter housing, stopple housing, stopple head, stopple cutter, pilot drill, cutter holder, Lock O-Ring plus plugs, LOR/ LOR plus plug holder, required skilled, semiskilled, unskilled manpower, includung Supply and Delivery of hot tap & Line stopple fittings, Line Stopple Plug with scarfed nipple/Lock O-Ring plugs, Hot Tap bypass fitting, Hot Tap Plug with Scarfed Nipple/Lock O-Ring, Buna N Sealing Elements, pressure equalization fittings, Lock O-Ring plugs, Sealing elements, guide bar, Blind Flanges, other tools, fixtures of required pressure rating for 4 nos. hot tap, all accessories, gaskets, fasteners etc. required to complete the job, inline with enclosed Drawing, cleaning and removal of the coating if required, Installation of the cutter housing, carrying out Hot tapping, fabrication and creation of temporary housing to housing bypass line of same size or one size lower pipe along with sandwich isolating valve at each end, stoppling, welding, radiography of weld joint etc. providing all assistance for Hot tapping, N2 testing ,insertion of the stopple plug and blocking flow in the pipeline section, Instalaltion of Gas bags, Fabrication and laying of temporary bypass line, installation of LOR/ LOR plus plug, testing, air bleeding and filling the section with product, Clearing the area, machines, tools & tackles etc., completing the work in all respect with all materials, consumables, tools, tackles, labour etc. to restore normal operation in line with specification of hot tapping given including all material complete under close supervision and as per the direction of the Site-Engineer / Engineer-in-charge. The rates are inclusive of all manpower, equipent, tools & tackles, consumable etc required to complete the job (on both sides of the river), as per scope of work. The rates are exclusive of cold cutting of mainline & hookup work work which are included in the scope of service contractor as per scope of work.

30" line

Calliper Survey: Carrying out Calliper survey for ascertaining the internal geometry of the installed pipeline sections including mobilization/ demobilization of pigging tools, tackles, consumables, accessories and personnel by contractor at work site including magnetic pig, electronic geometry pig, preparation and cleaning of the pipeline sections by running series of foam pigs for cleaning the line from debris, water & making it dry for launching calliper pigs, running of magnetic pig for cleaning of ferrous residue, launching and receiving the electronic & standard calliper pigs, data retrieval, interpretation of data and submission of reports in the form acceptable to the Owner, rectification of defects observed from calliper survey (if HDD is executed by the same contractor), including supply of all labour, materials, equipment & instruments, calliper pigs, fabrication of launching & receiving barrels, all complete as per specifications and directions of Site Engineer / Engineer-in-Charge.

ELECTRONIC GEOMETRY PIGGING (EGP) / CALLIPER SURVEY For 30"

Tie In and Hook up: Carrying out tieing-in and hook-up of the installed HDD sections including laying of transition piping upto 12 m for hook-up with existing Mainline on either side of HDD crossing including all excavation/ trenching in all kinds of soil including rock,transportation of coated pipe from owner's stackyard, cutting of pipe, pre-testing 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, carrying out 100% radiography, field joint coating, holiday detection, repair of damaged coating, backfilling and making through the pipeline etc. complete in all respects as per specifications and directions of Engineer-in-Charge.