TENDER FOR LAYING AND CONSTRUCTION OF U/G STEEL PIPELINE and ASSOCIATED WORKS FROM KUDAL TO OSARGAON VIA OROS IN SINDHUDURG GA OF MNGL

CARBON STEEL PIPES

PIPELINE LAYING / INSTALLATION in all type of surface (Normal/built-up surface) "Receiving and taking over" as defined in the specifications, handing, loading, transportation and unloading of Owner supplied 3-Layer PE coated linepipes from Owner's designated stack-yard to Contractor's stock yard/workshop/work-site including preliminary activities, preparation of drawings, wherever required for crossing etc. including handling, stacking, stringing on the pipeline Right-of-Use/ pipeline route alignment, carrying out inspection of company supplied materials including linepipes at the time of taking over, laying/ installation of coated linepipes, associated burried valves, barred tees, insulating joints, flanges & fittings of all sizes, thickness & ANSI class rating and accessories as per specification wherever required depending on site condition including execution of all works, "taking over", handling , including loading and unloading, transportation of Owner supplied materials other than linepipe from Owner's designated place (s) of issue to work site,

additional lands required for Contractor's storage, fabrication, access for construction, procurement and supply of all materials (except Owner supplied materials), consumables, equipment, labour and other inputs, carrying out all temporary, ancillary, auxiliary works, aquistion of ROU/ROW for laying of pipeline from HDD Exit and entry point to Tie in Point of existing Pipeline/ ROU, ready for commissioning of pipeline as per drawings, specifications, other provisions of Contract document and instructions of Engineer-in-charge, including but not limited to carrying out the following works:

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.

Staking and installation of construction markers, clearing, fencing, grubbing, cutting of trees, full filling all the requirements of vNopsus 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.

Trenching to all depths by excavation in all types of soils including soft/ hard rock and different type of pavement / footpath / roads etc. including rock breaking, chiselling or otherwise cutting etc. as required and storing excavated soil, reusable materials at designated area as directed by Engineer in charge and to a width to accommodate the Steel pipeline and MDPE as per the relevant standard/ specification etc. [The minimum depth of the top of pipeline shall be 1.0m measured from top of pipeline coating to the top of undisturbed surface of the soil or as per SCC/ OISD - 141 / 226, whichever is higher]. Dewater of trenches if required as per site condition.

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.

Stringing of line pipes along pipeline trench / ROU on straw / sand / soft soil bags including supply of bags and its filling materials.

Checking, cleaning, aligning, bending, cutting and bevelling (as 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 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.

Carrying out installation of carrier line pipe at all minor crossing viz. carttrack, pathway, water bodies etc. at designated depth by open cut (except at crossing by HDD method).