|
| 1 | Pipe Laying in any unprepared surface (Katcha surface) / Normal Surface /Hard surface using open cut /Moling/HDD (without Casing) methodology (The tapping saddle, Transition Fittings and other fittings and pedestal with G.I. sleeve is included in the SOR item 1.1. Details of GI sleeve,TF and pedestral have been included in scope of work).Pneumatic testing, purging with nitrogen and commissioning as per specification and approved procedures providing all tools and tackles, nitrogen,manpower and other related accessories and as per the instructions of the Engineer-in-charge. Final clean-up of right-of-use or area disturbed by contractor during their construction activities for laying of pipeline works and disposal of debris and surplus material to designated disposal areas and backfilling of trench and compaction of the same as per satisfaction of Owner and / or as directed by Engineer–in–charge.As far as posible the excavation site is to be restored to the original. |
| 2 | The scope of work against laying of 20/32 mm pipealso includes works like making of PCC pedastal of grade (1:2:4) and size ( (300mm(L)X200mm(W) XHeight (H)),(H>=300mm & will be as per site condition) ), supply and installation of GI Sleeve (Heavy (C-Class) as per IS-1239), filling of sand and installation of TF (along with supply). |
| 3 | MDPE to GI connectivity for individual houses for 20 mm PE 100 pipe (Service line laying) upto 4 M length(for depth upto 1.5 meters) |
| 4 | For Service Line without drain crossing |
| 5 | For Service Line with drain with width upto 0.5 meter |
| 6 | For Service Line with drain with width more than 0.5 meter and upto 1 meter |
| 7 | Excavation beyond 1.5 meter depth shall be paid extra over and above the laying item |
| 8 | Excavation of pit beyond 1.5m to 3m depth for carrying out SOR item1.1 for making connectivity. |
| 9 | 20 mm PE 100 pipe quantity required beyond 4 meters |
| 10 | 32 mm PE 100 pipe laying |
| 11 | RCC Route marker |
| 12 | Supply,Fabrication and installation of RCC route markers as per the attached drawing including all associated civil works such as excavation and construction in all typpe of soil, construction of pedestals and grouting with concrete. |
| 13 | Restoration |
| 14 | Restoration of the roads, pavements, channels, footpaths, tiles, stones etc. to original condition including supply of the approved quality material required, asper local authorities norms, obtaining NOC from concerned local authorities / land owners / third party inspection agencies (if any) designated by owner andto the satisfaction of Engineer-in-charge. |
| 15 | Asphalting |
| 16 | Cement Concrete |
| 17 | Tiles / Paver / Blocks / Curb Stones, Red sand stone |
| 18 | Brick Soling / Channels, etc. |
| 19 | Dewatering of pit by diesel/electric driven pump |
| 20 | The scope include mobilization of pumps and other associated equipment at site. Power arrangement is in contractor scope. Payment shall be paid on hourly basis |
| 21 | The work shall include identification and tracing of existing pipeline network from laying graphs / Trial Pitsor any other established methods. The scope of work shall also include Final clean-up of right-of-use or area disturbed by contractor during their construction/repair activities for laying of pipeline works and disposal of debris and surplus material to designated disposal areas and backfilling of trench and compaction of the same as per satisfaction of Owner and / or as directed by Engineer–in–charge. (Pipe lengths required for the purpose shall be provided on free issue basis). Final As-built drawing of the laid network shall be submitted by Contractor which shall include all the gas assets such as valve, pipeline sizes, fittings etc. |
| 22 | Excavation of Hard rock/surface |
| 23 | Excavation of trench or pits, wherever hard rock presence is exceeding 1.5 m in any direction of the trench and excavation of trench or pits in Malba/Multiple layers of asphalt/ brick / PCC/RCC etc and removable only by pneumatic chisel / drill as per the specifications and direction of EIC. The rates are payable over and above the Laying rates as per relevant SOR no. 1.1 |
| 24 | Cutting of PCC/RCC surface with thickness more than 12\" orContinuous asphalt multi-layer/ Malba/ Brick / Boulders more than 24\".(Malba shall be considered as a strata where soil is in mixed form of debris/building rubbish or discarded pieces of bricks/stones ) |
| 25 | Rock Cutting encountered while excavation of trenches for item 1.1 of SOR, not exceeding 1.5 meter in width, and lift upto 1.5 meter, including getting out the excavated soil and disposal of excavated soil as directed within a lead of 50 meter. In case of rocky soil, the bedding shall be done with approved/ good quality packing sand, subject to the approval of the EIC, the size distribution of the sand / shall be the same as per soil. The packing sand shall be placed to a minimum thickness of 150mm around the pipe in case of rocky terrain. |
| 26 | Demolition of PCC work below plinth level |
| 27 | Demolishing plain cement concrete (PCC) work (taking all necessary safety precautions) for all depths below plinth level including supply of all tools & tackles, necessary scaffolding, propping, underpinning, etc. , disposal of unserviceable material outside the boundary limits keeping the owner indemnified of any liabilities from statutory/ local bodies, all complete work as specified and directed |
| 28 | Core Cutting of RCC structure/Brick Wall |
| 29 | Preservation of Pipeline |
| 30 | Preservation ofpipeline sections and associated facilities (in event of delay in comissioning, other unforeseen reasons) including supply of nitrogen, all consumables, all equipment, man-power, etc. complete as per the requirements of specifications, other provisions of Contract document andinstructions of Engineer-in-charge. |
| 31 | By filling and pressurizing with nitrogen to a pressure of 2 bar(g) for a period of one month or part thereof. |
| 32 | For 32 mm Pipeline |
| 33 | For 20 mm Pipeline |
| 34 | For every additional period of one month or part thereof Limited to 6 month |
| 35 | For 32 mm Pipeline |
| 36 | For 20 mm Pipeline |
| 37 | Construction of RCC structure for protection of service line for drain/nallah Crossings |
| 38 | Construction of Non suspended slabs/pavement slabs including pedestal/ramp etc.using reinforced cement concrete of M-25 grade (Concrete shall be design mix/nominal mix with 20 mm & down size graded crushed stone aggregates) to protect the PE pipe laid. All necessary form work, finishing the top surface rough/smooth as required in any position, shape, level and thickness etc. shall be as specified and directed by EIC. The rates shall include grouting of pockets, supply of all material, tools, reinforcement steel etc. |
| 39 | Testing and Comissioning of Pipeline |
| 40 | Flushing and cleaning of pipeline, Pneumatic testing as per specification and approved procedures providing all tools and tackles, instruments, manpower and other related accessories and as per the instructions of the Engineer-in-charge. Pressurising and keeping the pipeline under 6 kg/cm2with compressed air. De presurising the pipeline, purging with nitrogen and commissioning (gas charging) 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. |
| 41 | 32 mm sizes |
| 42 | 63 mm sizes |
| 43 | PE Pipeline Laying in any type of surface like unprepared surface (Katcha surface)/ Normal Surface/ Hard surface/Pebbles/Cobbles/Boulders/Structures/Rock surface etc using open cut/ Moling (without Casing)/ Moling (with Casing)/Directional Drilling technique (with and without casing pipe) methodology. |
| 44 | Receipt, Loading, unloading, storing, reloading, tranportation, unloading, stringing and laying of PE100, SDR11 line pipes of all sizes including, proper stacking, identification,and supply of accessories of all sizes & thickness like PE Bends, Couplers, Endcaps, Tee, Reducer, Warning Mat etc.Handling, Stringing / uncoiling, aligning of the PE line pipe on the pipeline Right-of-Use/ route, laying / installation of PE line pipe alongwith required accessories as mentioned above as per specification wherever required depending on site condition including execution of all works; Storeage of material in contractor\"s store, fabrication, access for construction procurement and supply of all materials, consumables, equipments, labour and other inputs. In the case of free issue items, the scope also includes, receiving and loading from Owner\"s designated store, transportation, unloading and stacking of free issue items at Contractor\"s store.-Laying of all PE pipe (PE 100 SDR11), Including supply of HDPE casing pipe (in case of HDD (with case).Moling(with case) ,Couplers, End caps etc. (Ref. cl. 4.3 of Particular job specification).-Survey of under ground utilities, execution of the work as per specification, including excavation of pits moling with the hole size not exceeding 20% of the pipe dia, jointing and insertion of carrier pipe with casing, testing & commissioning and restoration of the pits to original condition, submission of As-Built Graph as per specifications and the instruction of Engineer-in-charge. -Casing details is as given below:-1. For 20/32 mm PEpipe (in 75 mm dia. HDPE Casing Pipe, PE 63/80 PN6.0).2. For 63 mm PE pipe (in 125 mm dia. HDPE Casing Pipe, PE 63/80 PN6.0).3. For 125 mm pipe (in 250 mm dia. HDPE Casing Pipe, PE63/80 PN 6.0). |
| 45 | Carrying out all temporary, ancillary, auxiliary works required to make the PE pipeline ready for commissioning as per drawings. |
| 46 | Specifications, scope of work indicated in PJS and other provisions of Contract document and instructions of Engineer-in-charge, including but not limited to carrying out the following works: |
| 47 | Surveying of route and detours required at the time of execution, preparation of construction drawings showing survey details and submit same to Owner for review / approval. |
| 48 | Carrying out preliminary activities such as preperation of drawings wherever required for crossing etc. |
| 49 | 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. |
| 50 | Stacking and installation of construction markers, clearing, fencing, grubbing, cutting of trees, full filling all the requirements of various statutory/ environment authorities to the entire satisfaction of concerned authorities, grading of work area. |
| 51 | Barricading the work area as per local authorities norms & to thesatisfaction of Owner/ Eingineer -in- charge, installation of safety signs. |
| 52 | Barricading the pipeline construction area prior to execution of the works as per drawing enclosed with tender document and to the entire satisfaction of owner / engineer- in -charge. |
| 53 | Laying using open trench without casing includes survey of under ground utilities (through trial pits), execution of work as per specification including Trenching to all depths by excavation in all types of soils including soft/ rocky strata (Rock Cutting to be paid separately as per SOR ) 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 pipelineas per the relevant standard/ specification etc. [The minimum depth of the top of pipeline shall be 1.0 m measured from top of pipeline to the top of undisturbed surface of the soil or as per Specification/ OISD- 226 & PNGRB latest guidelines whichever is higher]. Dewatering of trenches / pits if required as per site condition. Repairing of all damaged utilities if any, and payment of any compensation (if claimed by owner / other utility agencies) |
| 54 | Uncoiling / stringing & aligning of PE pipes, clamping, jointing of the pipe ends / fittings / valves by qualified personnel using approved electro-fusion techniques as per specification. |
| 55 | Installation / lowering the pipeline in trench to required depth as per PJS, Technical Specification & drawings, supply & placement of HDPE Yellow colour warning mat over the pipeline along the complete route as per standard drawings, data sheets & technical specifications, padding around pipeline including supply of suitable padding material duly approved by EIC, backfilling to its original condition with excavated earth / borrowed select soil/sand duly approved by EIC & its compaction & crowning. At certain specific area of ROU, trench shall be backfilled & compacted and shall be made ready for motorable. All tiles / slabs / curb stones etc removed during excavation shall be placed properly and no seperate payment shall be admissible against this activity. Restoration shall be carried as per separate SOR item mentioned elsewhere in the SOR or to be done by Owner / concerned authorities. |
| 56 | The scope of work against this item also include Electro-fusion jointing of valves, fittings wherever required and as directed by Engineer-in-charge. |
| 57 | 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. |
| 58 | Final clean-up of right-of-use or area disturbed by contractor during their construction activities for laying of pipeline works and disposal of debris and surplus material to designated disposal areas and backfilling of trench and compaction of the same as per satisfaction of Owner and / or as directed by Engineer–in–charge. |
| 59 | Maintaining the completed pipelines and installation for any defect or failures during defect liability period (i.e. 12 months from date of completion of work) . |
| 60 | Handing over the completed works to Owner for their operation/ use, reconciliation of material area wise and obtaining \"no objection certificate\" from Owner/ EIC. |
| 61 | Preparation and submission of Daily progress report, Laying Graphs / PE line cards on daily basis. |
| 62 | On completion of gas charging of pipelines. Preparation and submission of As-built drawings, crossings details, termination, utility graphs and deviation statements. |
| 63 | Submission of all documents required for contract closure in numbers as mentioned in contract. |
| 64 | 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 Owner. All the work shall be executed in accordance with the provision of contract. |
| 65 | 32 mm PE 100 pipe |
| 66 | 63 mm PE 100 pipe |
| 67 | NOTE i) The lengths of pipelines are tentative. ii) For restoration of asphalt / concrete roads, the item for construction of asphalt top / concrete top / Tiles/Stone slab/Paver Blocks/Curb Stones shall be paid separately as per the rates quoted for the same elsewhere in the SOR. iii) For PE laying through casing pipe ,payment for length of PE pipe will be done as per casing pipe length. iv) Payment for items above under pipeline laying in all type of rocky strata shall be made only whereever hard rock is existing and supply and installationj of padding materails(i.e. sand/soft soil)shall be done as per the direction of EIC.Bidders to quote accordingly. |
