GIS Mapping & Survey Tender Results

MDPE PIPELINE - Rerouting- Trenching laying ( SOR item No 1.2 to 1.6 ) SOR covers Trenching, Laying of MDPE pipe in any surface, jointing, testing, backfilling, decommissioning, commissioning etc. in coordination with third party. Excluding supply of all MDPE pipes (PE 80/100, SDR11), but Including supply of Bends, Couplers, End caps, Tees, PE Reducer, CS to PE Fitting, Saddle Tapping, warning mat etc. as required to complete the job. (Particular job specification.) "Receiving and taking-over" as defined in the specification, handling, loading, transportation and unloading of Owner supplied MDPE line pipes (PE80/100, SDR11) of all sizes (as free issue items) from Owner's designated place(s) of issue to Contractor's own stock-yard(s)/ Work Shop(s)/work-site(s) including proper storing, stacking, identification, providing security & insurance cover, including supply of accessories of all sizes & thickness like Bends, Couplers, End caps, Tee, PE Reducer, CS to PE Fittings, Saddle Tapping, Warning Mat etc. Stringing/ uncoiling of the MDPE line pipe on the pipeline Right-of-Use, Trenching, laying/ installation of MDPE line pipe (along with installation of required accessories as mentioned above) of following sizes, including executing all works; fabrication, access for construction; supply of all materials (except Owner supplied materials), consumables, labour and other incidental works and handing over the same after return of the surplus pipes to the Owner's designated stockyard(s); carrying out all temporary, ancillary, auxiliary works required to make the MDPE pipeline ready for commissioning as per drawings, specifications, scope of work indicated in PJS and other provisions of Contract document and instructions of Engineer-in-charge. Preparation and getting approval of schedules, execution procedures, drawings/ sketches/ wherever required, making trial pits to determine the underground utilities/ services etc., restoration of the abandoned trial pits to original condition. Grading the ROU, barricading the work area as per local authorities’ norms & to satisfaction of EIC, installation of safety signs, trenching to required depth, repairing of all damaged utilities if any, and payment of any compensation (if claimed by owner/other utility agencies). Uncoiling/ stringing of pipes, clamping, jointing of the pipe ends/ fittings/ valves by qualified personnel using approved electro-fusion techniques as per specification. Excavation of trench and Lowering the pipeline in trench to required depths, placement of HDPE warning grid mat over the pipeline along the complete route, padding around pipeline with suitable approved soil, backfilling with available excavated material after screening, compaction with jumping jack compactor and water at subsequent layers of 150mm above warning mat. All tiles/slabs/curb stones etc., removed during excavation shall be placed properly. Roads, pavements, footpaths etc. to be made motorable wherever pipeline is laid. MDPE Pipe shall be laid in such a way so that top cover of MDPE Pipe is 1.0 meter. However, in case if additional depth (up to 1.5 meter) required due to any reason shall be covered in this SOR. Installation and electro-fusion jointing of valves wherever required and as directed by Engineer-in-charge. Restoration of area to original condition, including cleaning the area of all unserviceable materials, debris, excess earth near trenches to the designated disposal area as per the specifications, instruction of Owner/Engineer-in-charge and to the satisfaction of local authorities. Restoration of all surrounding ground features to that existing before as detailed out in the specifications and as directed by Engineer-in-charge which would include replanting of any uprooted trees etc. Pneumatic testing, purging with nitrogen and commissioning as per specification and approved procedures providing all tools and tackles, nitrogen, instruments, manpower and other related accessories and as per the instructions of the Engineer-in-charge. Maintaining the completed pipelines/ installation for any defect, failures during defect liability period (i.e. 12 months from date of completion of work). Handing over the completed works to MNGL for their operation/ use, returning of all free issue surplus material to MNGL stores, reconciliation of free issue material area wise and obtaining "no objection certificate" from MNGL/Consultant. Preparation and submission of Daily progress report, Laying Graphs/ PE/ GI line cards. On completion of gas charging of pipelines. Preparation and submission of As-built drawings/ GIS updation, crossings details, termination, utility graphs and deviation statements. Submission of all documents required for contract closure in numbers as mentioned in contract. Any other activities not mentioned/ covered explicitly above, but otherwise required for satisfactory completion/operation/ safety/ statutory/ maintenance of the works shall also be covered under the scope of work and has to be completed by the Contractor within specified schedule at no extra cost to MNGL.