| 1 | 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. | | |
| 2 | 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: | | |
| 3 | 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. | | |
| 4 | 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. | | |
| 5 | 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. | | |
