HIRING OF AGENCIES FOR PE LAYING WORKS AT RAISEN SHAJAPUR SEHORE (RSS) GA

PE PIPELINE

Carrying out all temporary, ancillary, auxiliary works required to make the PE 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, including but not limited to carrying out the following works:

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.

Carrying out preliminary activities such as preperation of drawings wherever required for crossing etc.

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.

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.

Barricading the work area as per local authorities norms & to the satisfaction of Owner/ Eingineer -in- charge, installation of safety signs.

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.

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 no 1.120) 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 pipeline as 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)

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.

The scope of work against this item also include Electro-fusion jointing of valves, fittings wherever required and as directed by Engineer-in-charge.

The scope of work against laying of 20/32 mm pipe also 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).

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.

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.

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) .

Handing over the completed works to Owner for their operation/ use, reconciliation of material area wise and obtaining "no objection certificate" from Owner/ PMC.

Preparation and submission of Daily progress report, Laying Graphs / PE line cards on daily basis.

On completion of gas charging of pipelines. Preparation and submission of As-built drawings, crossings details, termination, utility graphs and deviation statements.

In case, the minimum required depth is not possible due to site condition, necessary mitigation measures (for minimum top cover of 600mm) shall be required to be taken by contractor in consultation with EIC as per PNGRB Guidelines. No additional payment shall be admissible against the same. However required top cover can further be reduce till 375mm and payment against the same shall be made according to SOR item no. 1.3 or 1.4 (whichever is applicable).

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 Owner. All the work shall be executed in accordance with the provision of contract.

20 mm PE 100 pipe Service line laying upto 4 M length

20 mm PE 100 pipe

32 mm PE 100 pipe

63 mm PE 100 pipe

90 mm PE 100 pipe

125 mm PE 100 pipe

180 mm PE 100 pipe

Pipe 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)/ Directional Drilling technique (without casing pipe) methodology.

Restoration

Restoration of the roads, pavements, channels, footpaths, tiles, stones etc. to original condition including supply of the approved quality material required, as per local authorities norms, obtaining NOC from concerned local authorities / land owners / third party inspection agencies (if any) designated by owner and to the satisfaction of Engineer-in-charge.

Asphalting

Cement Concrete

Tiles / Paver / Blocks / Curb Stones, Red sand stone

Brick Soling / Channels, etc.

Providing, hoisting and placing of 75 mm thick precast reinforced cement concrete slab of M-20 grade over pipeline as mechanical protection including the cost of required centering, shuttering, reinforcement complete as per tender drawing and direction of the EIC. Note:- Size (Length x Width) of the precast slab will be decided as per site condition and as per instruction of EIC. Precast slab will be placed in multiple number and various location as per site condition and as per instruction of EIC.

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, CS / GI to PE Fittings (i.e. Transition Fittings of sizes 20 mm to 32 mm), 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 (in case of HDD/Moling/open trench), 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.

Pipe laying inside Private Property i.e Multistory buildings / apartments with no movement of Heavy Vehicles, surrounded with Boundary wall where pipe top cover could not be achieved 600 mm.

Minimum pipe top cover of 375 mm is required and the line pressure shall not exceed 110mbar.

Necessary mitigation measures such as RCC slab (150mm thick and 300mm width) at the top, the RCC slab of the roof of basement shall be treated as bottom. There shall be sand filling across three sides of the line pipe of 100mm each shall be required to be taken by contractor in consultation with EIC as per latest PNGRB Guidelines. No additional payment shall be admissible against the same.

Receipt, Loading, unloading, storing, reloading, tranportation, unloading, stringing and laying of 20mm, 32mm & 63mm PE pipe (PE 100 SDR11) including proper stacking, identification,and supply of accessories of below mentioned sizes & all thickness like PE Bends, Couplers, Endcaps, Tee, Reducer, CS / GI to PE Fittings (i.e. Transition Fittings of sizes 20 mm to 63 mm), 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; Storage 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.

Carrying out all temporary, ancillary, auxiliary works required to make the PE pipeline ready for commissioning as per drawing.

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.

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.

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.

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) In case, contractor prefers to lay the pipeline through HDD method in place of method as per SOR item- 1.1, contractor shall be required to lay the pipe up to a depth not more than 1.4 m. The payment shall however be made as per SOR item No.- 1.1 only. iv) In case quantity increases beyond 4 meter (against SOR item no 1.1.a) payment towards additional length shall be paid as per SOR item no. 1.1.b. v) In case, PE laying with casing is required for specific si

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.

The scope of work against laying of 20/32 mm pipe also 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).

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.

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.

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) .

Handing over the completed works to Owner for their operation/ use, reconciliation of material area wise and obtaining "no objection certificate" from Owner/ Consultant.

On completion of gas charging of pipelines. Preparation and submission of As-built drawings, crossings details, termination, utility graphs and deviation statements.

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.

20 mm PE 100 pipe / 32 mm PE 100 pipe

ved 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.

Pipe laying inside Private Property i.e Multistory buildings / apartments with no movement of Heavy Vehicles, surrounded with Boundary wall where pipe top cover could not be achieved 600 mm.

Minimum pipe top cover of 375 mm is required and the line pressure shall not exceed 110mbar.

Necessary mitigation measures such as RCC slab (150mm thick and 300mm width) at the top and RCC slab (100mm thick and 300mm width) at bottom. There shall be sand filling across three sides of the line pipe of 100mm each shall be required to be taken by contractor in consultation with EIC as per latest PNGRB Guidelines. No additional payment shall be admissible against the same.

Receipt, Loading, unloading, storing, reloading, tranportation, unloading, stringing and laying of 20mm, 32mm & 63mm PE pipe (PE 100 SDR11) including proper stacking, identification,and supply of accessories of below mentioned sizes & all thickness like PE Bends, Couplers, Endcaps, Tee, Reducer, CS / GI to PE Fittings (i.e. Transition Fittings of sizes 20 mm to 63 mm), 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; Storage 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.

Carrying out all temporary, ancillary, auxiliary works required to make the PE pipeline ready for commissioning as per drawing.

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.

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.

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.

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 no 1.120) 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 pipeline as 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)

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.

The scope of work against laying of 20/32 mm pipe also 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).

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.

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.

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) .

Handing over the completed works to Owner for their operation/ use, reconciliation of material area wise and obtaining "no objection certificate" from Owner/ Consultant.

On completion of gas charging of pipelines. Preparation and submission of As-built drawings, crossings details, termination, utility graphs and deviation statements.

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.

20 mm PE 100 pipe / 32 mm PE 100 pipe

ved 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.

Supply of GI/ MS/ Concrete Sleeves (wherever required as a Special Case as per instructions of the Engineer-in-charge)

Supply, installation of sleeve, insertion of pipe, sealing the annuals, firm fixing of Sleeves with concrete mix. Breaking through any obstructions and their subsequent restoration, as per specifications and instructions of the Engineer-in-charge. GI/MS Pipes shall be Heavy (C-Class) as per IS-1239

GI Sleeves /Concrete Sleeves

2 1/2” NB, 1’ Length

4” NB, 1’ Length

MS Enamel Coated

4” NB, 3’ Length

Concrete Sleeve (NP-2 Class)

4” NB, 3’ Length

6” NB, 3’ Length

The decision regarding use of type of sleeves to be used at various locations shall be made by Engineer In-Charge / Owner

63 mm PE 100 pipe

Installation of valve in pit including supply of valves

Supply of isolation valves (as per data sheet) and installtion of valves in the valve pits as per typical drawing and specification enclosed and instructions of Engineer-in-charge. Payment of valve pits shall be paid separately as per SOR.

PE Valve 32 mm dia

PE Valve 63 mm dia

PE Valve 90 mm dia

PE Valve 125mm dia

PE Valve 180mm dia

Construction of Valve Pits as per the enclosed tender drawing and specification. The item includes supply of all the material including Pre-cast RCC cover, shuttering, reinforcement, labour, curing etc as per the drgs, specification and instruction of EIC.

Type-I having Internal size of Minimum 1000 x 1000mm

Type-II having Internal size of Minimum 600 x 600mm

Fabrication & Installation of Markers

Note: The tender drawing enclosed is only for reference purpose and contractor shall be required to prepare drawings (in line with reference tender drawing) for specific sizes of Valve pits and the same shall be approved by EIC.

RCC Route Markers

Supply, fabrication and installation of RCC route markers as per the attached drawing in technical volume, along the route including all associated civil works such as excavation and construction in all types of soils, construction and pedestals and grouting with concrete.

Pole Markers with Foundation

Warning Plate Markers

Supply, fabrication and installation of plate markers as per the attached drawings in technical volume including all associated civil works such as excavation and construction in all types of soils, construction and pedestals and grouting with concrete, cleaning, stencil let.

Supply, fabrication and installation of plate markers, including application of approved color and quality of primer and paint, stencil letter cutting of lettering, numbers, direction, etc. as per the attached drawing in technical volume to be installed near regulator(wherever required as per instructions of the Engineer-in-charge).

Paver Block-Tiles Markers

Supply, fabrication and installation of Pvaer Block-Tiles markers, including application of approved color and quality of primer and paint, stencil letter cutting of lettering, numbers, direction, etc. as per the attached drawings to be installed on Paver Block/Tiles on foot Path/As per the instruction of EIC.

Liaisoning with Land Owning Agencies for Permission

Construction of RCC structure for protection of service line for drain/nallah Crossings

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.

Submission of applications as per approved drawing provided by owner / owner's representative (Initial Route survey, prepartion of drawing, measuring and providing details of surface type shall be in scope of contractor), obtaining and submission of demand note, coordination, Liaisoning, obtaining written permission from land owing agencies like NHAI, AAI,Indian Railways and any other government agencies who maintains the public lands and agencies owing Private lands etc. (all fee paid to authorities excluding demand charges or Bank Guarantees shall be reimbursed against documentary evidence). This rates are not applicable for Private lands i.e. Apartments etc. Permissions required from various authorities like NHAI / Railways / Irrigation (Canal) etc. falling enroute shall be inclusive in the item rate.

GPR Survey ( Scope includes submission of GPR survey report before/after obtaining permission for excavation from land owning agencies with complete satisfaction of the land owning agnency & Owner)

GPR Survey - Length up to 100 meter

Excavation of Hard rock/surface

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

Cutting of PCC/RCC surface with thickness more than 12" or Continuous 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 )

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.

GPR Survey - Length more than 100 meter Note :-In case GPR survey length exceeds 100m, for quantity beyond 100m, amount in addition to SOR item no.- 1.110.a, shall be payable based on per meter rate quoted against SOR item no. 1.110.b

DRS/DCU/DRS cum DCU/MRS/Metering skid works

Installation of DRS/DCU/DRS cum DCU

Receiving and taking over, handling, loading, transportation and unloading of DRS/DCU/DRS cum DCU from Owner's designated stockyards to site, installation at foundation (including supply of all structural items) and hooking up with PE pipe including all works as required to complete the job as per the drawings and specification, scope of work mentioned in tender doucment. The scope includes supply of transition fittings and other PE and CS fittings as per requirements and various associated works (including steel welding) to commission DRS/DCU/DRS cum DCU. Note: 1) Amount towards civil work shall be payable as per related SOR items. 2) Rate to include cost of all labour, tools, tackles, equipment, hire charges. 3) Bolts, nuts, washer, U-clamps, gaskets etc. if required during installation shall be procured and supplied by the Contractor within the rate quoted. These items shall not be separately measured and paid.

DCU/DRS cum DCU. (Maximum weight of single DCU/DRS cum DCU shall be about 6.0 T)

MRS/Metering Skid(Maximum weight of single MRS/Metering skid shall be about 4T)

Note: i) The quantities mentioned are indicative only. ii) For all the supply items mentioned above, procurement shall be made as per specification after due approval of engineer- in - charge. Iii) All inlet work of DRS/DCU/DRS cum DCU works will be in the scope of Steel laying /Composite work contractor.

CIVIL WORKS

Earth Work

Earth in excavation and filling to the grades and levels shown in the approved drawings in all kinds of conditions including for Road embakments, using approved quality good earth from designated borrow area, for all heights and depths including clearing and stripping (min. 150 mm) of the area marked for filling, taking spot levels, consolidating the exposed natural soil surface, excavating the earth from borrow area loading, transporting & unloading, spreading in layers not exceeding 150 mm thickness, breaking clods, watering (if reqd.), ramming and compacting by manual/ mechanical means to give minimum 92% of modified Proctor's density of earth, testing & dressing including disposal of all unserviceable material all complete as per specifications and directions of Engineer-in-charge.

(Rate to include cost of all labour, tools, tackles, equipment, hire chanrges, cost of borrow earth by way of royalties, right of way, cess etc., as applicable with all bye works and sundry works).

1 Cement : 2 Coarse sand : 4 stone aggregate 20mm nominal size.

1 Cement : 4 Coarse sand : 8 stone aggregate 40mm nominal size.

(Rate to include cost of all labour, tools, tackles, equipment, hire charges, supply of all materials, shuttering, earthwork in excavation and backfilling using approved earth in all conditions etc. with all bye works and sundry works.)

Reinforced Cement Concrete

Providing and laying reinforced cement of grade M-25 with 20mm and down grade crushed stone aggregate in all types of structures like foundations, pedestals, pedestal bases, pipe supports, sleepers, column, equipment foundation, cable trench inlcuding construction joints, bitumen painting on surface in contact with soil, supplying and fixing reinforcing steel, shuttering, inserts, finishes etc. at all depths and heights complete as per drawings, specifications and direction of the Engineer-in-charge.

Rate to include cost of all labour, tools, tackles, equipment, hire charges, supply of all maerials such as minimum 43 grade cement including sulphate resistant cement for sub-structures, R/F steel, Inserts, bolts, conduits, bitumen, other minor constrcution materials, shuttering, stanging, earthwork in excavation and backfilling using serviceable earth in all conditions, shorting bailing and pumping out water, testing of concrete, curing etc. with all bye works and sundry works.

Concrete Pavement

Providing and laying reinforced cement concrete of (M-25 grade) with 20mm and down grade crushed stone aggregate in pavement, including preparation o

f base (i.e. compacted subgrade, 200 thk sand and 50 thk PCC M-10 grade), leaving pockets if necessary, making recess, projections, fixing inserts conduit pipes (GI, PVC, HDPE, etc.) laying in alternate panels, filling the gaps between the panels with bitumen etc., making slopes, finishing edges, leaving bars for pedestals & sleepers including providing sand fill isolation , shuttering, providing and fixing reinforcing steel, curing, chipping and modification works etc. as specified in any shape, thickness, position and finishing the top surface smooth as per requirement etc. all complete as per drawings, specifications and directions of the Engineer-in-charge.

- 150mm thick (Type-I)

Brick Work

Providing brick work with brick class designation M-7.5 of IS:1077 in cm1:4 (1 cement : 4 sand) in steps, walls, retaining walls and load bearing structures drains, or any shape with all lead, depths & height including curring, scaffolding, etc., as per specifications and drawings with all bye-works and direction of the Enfineer-in-charge.

(Rate to include cost of all labour, tools, tackles, equipment, hire charges, supply of all materials such as minimum 43 grade cement, bricks, finishes, bitumen, other minor constrcution materials, shuttering, staging, masonry work, plastering, painting etc. with all bye-works and sundry works).

Note: The quantites of individual item can varied as per site requirement.The payment will be made as per actual certified measurement at site.

Laying of Brick layer/ Concrete

Providing single layer of Brick / Concrete / or impact resistant tape to entire width of trench above Warning Mat placed in trench over the laid pipeline as per OISD 226, standard drawing, specification and instruction of Owner. (Rate to include cost of all labour, tools, tackles, equipment, hire charges & supply of all materials, etc)

Demolition of PCC work below plinth level

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

Brick Layer for width of PE pipeline trench as per drawing (75 mm thk.)

Concrete for width of PE pipeline trench as per drawing (80 mm thk.)

Excavation for foundation works

Excavation as per plan, upto 3 meters and upto any lead in all conditions, backfilling using serviceable earth and disposal of surplus and unserviceable earth. Soil to be levelled and neatly dressed complete in all respect as per scope of work, technical specification and directions of EIC.

Core Cutting of RCC structure/Brick Wall

Upto 3.0 Mtrs

Dismantling of RCC & cutting of reinforcement (Thickness above 3”)

Structural Works

Providing and fixing Fencing Structure

Supplying, fabricating & fixing steel structural fencing fabricated from pipes conforming to IS:1161 and plates conforming to IS:2062 & fixing of GI weldmesh made from 3mm GI wire @ 75 mm bothways to structural steel frame by means of welding/bolting, including applying two coats of approved quality of synthetic enamel paint over a priming coat of in approved shade including supply of all raw materials, bolts, electrodes, transportation, including making pokets & pouring with PCC (1:2:4) in of block 500x500x500 for fixing of posts etc complete as per enclosed drawing, technical specifications, scope of works and directions of the Engineer-In-Charge.

Fencing height 2.1m

Providing and fixing Fencing Gates

Supplying, fabricating & fixing fencing gates fabricated from pipes conforming to IS:1161 and plates conforming to IS:2062 & fixing of GI weldmesh made from 3mm GI wire @ 75 mm bothways to structural steel frame by means of welding/bolting, painting with enamel paint in approved shade including supply of all raw materials, bolts, electrodes, transportation etc complete as per enclosed sketch, technical specifications and directions of the Engineer-In-Charge.

4m Wide x 2.1m High

3m Wide x 2.1m High

1m Wide x 2.1m High

Electrical

Supply, Installation and testing of Galvanized iron earth electrode with 3mts long 65mm dia GI perforated pipe Class B, Complete with GI earth bus, test link in RCC / Brick earth pit, charcoal, salt, funnel and earth pit cover as per IS:3043, (as per drg. enclosed)

Supply and installation of GI earthing conductor of the following sizes:-

Above ground/buried under ground

25X 6mm GI Strip

Preservation of Pipeline

Preservation of pipeline 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 and instructions of Engineer-in-charge.

By filling and pressurizing with nitrogen to a pressure of 2 bar(g) for a period of one month or part thereof.

2.5 sq.mm CuPVC wire

10sq. Mm Cu PVC insulated cable

For 180 mm Pipeline

For 125 mm Pipeline

For 32 mm Pipeline

For 20 mm Pipeline

For every additional period of one month or part thereof Limited to 6 month

2.5 sq.mm CuPVC wire

10sq. Mm Cu PVC insulated cable

For 180 mm Pipeline

For 125 mm Pipeline

For 32 mm Pipeline

For 20 mm Pipeline

For 90 mm Pipeline

te requirement, the same shall be executed through creating Extra Item. vi) Payment for items above under pipeline laying in all type of rocky strata shall be made and supply and installation of padding materials (i.e. sand/soft soil) shall be done as per the direction of EIC, Bidders to quote accordingly. vii) Wherever Hard Rock (defined as trench material containing a single rock piece exceeding 1.5 meters in any direction) is encountered at crossings such as rivers, nallahs, railways, highways etc., and the laying work cannot be executed using conventional HDD or open-cut methods. In that case, the same shall be established by the bidder through site survey and geotechnical investigation, without any additional financial implication to the Owner. In such cases, the laying work shall be executed as per the approved methodology by creating Extra Items through the concerned PMC, based on the requirements of the site and the approved procedure. All the other laying jobs shall be executed through the existing SOR (except above mentioned crossings with hard rock as defined above). viii) Work shall be done anywhere within authorised area under specific GA of GAIL Gas as per actual requirement.