LAYING, TESTING AND COMMISSIONING OF 4 INCH NBx 10.5 Km UNDERGROUND STEEL PIPELINE ALONG WITH ASSOCIATED WORKS FOR GAJAPATI GA OF GGL

CARBON STEEL PIPES

PIPELINE LAYING / INSTALLATION

"Receiving and taking over" as defined in the specifications, handling, loading, transportation and unloading of Owner supplied 3-Layer PE coated and bare 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 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, arrangement of all 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, 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:

Pre-construction survey, necessary cover required over the carrier pipeline, based on site visit, collection of data (if required) from concerned Authority including design and detail engineering and making of drawings for getting their approval from concerned Authority/Engineer-in-charge, getting work permit/NOC for utlities crossings (if any) encounterd prior to start the execution of work.

Staking and installation of construction markers, clearing, fencing, grubbing, full filling all the requirements of various statutory/ environment authorities to the entire satisfaction of concerned authorities, grading / cleaning of work area. Shifting of all obstruction within the ROU/ pipeline corridor as per Pipeline route alignment underground utilities viz. electrical lines/ poles, telephone line / poles, foreign pipeline, etc. co-ordination with concerned authorities and obtain permissions from these authorities.

Barricading the pipeline construction area prior to execution of the works as per drawings enclosed with tender document and to the entire satisfaction of Owner / Engineer-in-charge.

Trenching to all depths and to a width to accomodate the carrier pipeline and/or optical fiber cable/cable conduit during lowering by excavation in all types of soils, pebbels, cobbles, boulders, structures and all type of rockey strata including raking up of built-up surface / Hard surface of any type including metal road/ surface , concrete road/ surface, bituminous road/ surface, asphalt road/ surface etc. which is breakable in pieces shall be carried out either by breaking, chiselling or otherwise cutting etc manually or using pneumatic machine. Further, built-up surface of any type including tiled surface, paver block, brick lined etc.which is breakable/removable in pieces manually shall be carried out without using pneumatic machine. All tiles/ slabs/ paver block/ curb stones etc.removed during excavation shall be placed properly 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 cover of pipeline shall be in between 1.0 meter to 1.5 meters depending upon site conditions and shall be measured from top of pipeline coating to the top of undisturbed surface of the soil or as per SCC/ relevant code, whichever is higher]. Dewatering of trenches if required as per site condition. Padding & Backfilling of the trench after lowering the pipeline. However,Raking up of built-up surface / Hard surface of any type including metal road/ surface , concrete road/ surface, bituminous road/ surface, asphalt road/ surface etc. which is breakable in pieces shall be carried out either by manually or using pneumatic machine and tiled surface, paver block, brick lined etc.which is breakable/removable in pieces manually shall be carried out without using pneumatic machine and proper placement of all tiles/ slabs/ paver block/ curb stones etc. removed during excavation shall be paid as separate items mentioned else where in the SOR.

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 provided on sand/soft soil bags including all supplies, manpower & machinary etc.

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 either by internal source or external source based on site conditions/front availability and in this regard decision of EIC shall be final and binding to the contractor (In case placement/installation of X-ray equipment is not feasible, in that case Gamma ray may be permitted as per decision of Engineer In-Charge(EIC) based on site conditions) 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 air cleaning, pigging, flushing, cleaning and hydrostatic testing, dewatering, swabbing, drying etc. of complete pipeline, supply of required quantity of corrosion inhibitor, if required including pre-testing of designated sections complete as per specification and approved by Engineer–in–charge to specified pressures indicated elsewhere and duration after stabilization as per specification, providing all equipment, pumps, fittings, instruments, dead weight tester, pressure recorder, thermocouples etc., and services, supervision, labour, consumables, water including supply of corrosion inhibitor, air, etc. as required, locating of leaks and rectification of defect attributable to Contractor (rectification of defects in linepipe material not attributable to contractor shall be paid separately as per other item of schedule of rate), re-testing after rectification, dewatering after successful completion of hydrotesting of entire section and as approved by Engineer-in-Charge. For swabbing, a combination of low density and high density Pigs shall be carried out till acceptance of the swabbing criteria as per specification. For DRYING of the underground pipeline section length, purging of nitrogen or by blowing of dehumidified compressed air to be carried out till acceptance of Owner/PMC and make ready for Commissioning of pipeline section.

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

Coating of field weld joints, long radius bends (R=3D), elbows, buried fittings and valves etc. including supply of coating materials etc. (i.e. heat shrinkable sleeves and high build epoxy etc.) as per PJS & Technical Specification compatible with 3 layer PE coating material of the line pipe.

Installation of LR Bend (R=3D) of material equivalent to pipe material grade (API 5L Grade X-52 to X-56) ) and of all size, all thickness, all angle etc. suitable to connect / fit with intended steel pipeline to be laid, as per specification and their complete Installation with steel pipeline network of all size & thickness as per specification wherever required depending on site condition.

Supply of warning mat in multiple lot based on site condition/requirement and their installation over the entire length of the pipeline laid in open-cut trench as per specification. Warning mat for pipeline shall be supplied as per the technical specification enclosed in the bid document. The material of warning mat shall be of high density polyethylene and non-biodegradable type. It shall have non-toxic and anti-rodent properties.

Supply and installation of slope breakers, wherever required or, as directed by Onwer / Engineer–in–charge.

Crossing of all-foreign pipeline / HT line / cable / any other utilities etc. with necessary concrete / PVC protection including coordination with all agencies and obtaining NOC.

Installation of bank protection & associated works along with supply of all types of backfill materials etc. duly approved by EIC for pipeline trench and banks falls under minor water body crossing as per technical specification & Std. Drg., wherever required or, as directed by Owner / EIC.

Training and diversions of streams in steep slope area, wherever required.

Leak detection, its rectification and successfully re-hydrotesting shall be carried out by Contractor with a view that completion of all activity for successful hydrotesting is not inordinately extended, which will hamper the overall project schedule. Further, no extra payment claim shall be entertained for re-hydrotesting and leak detection if defects found attributable to Contractor.

All tieing-in, including the tie-in(s) of the pipeline with the adjacent sections of pipeline including cutting of test header, rebevelling as required, radiography and other NDT examination, joint coating as per specification.

Final clean-up & restoration of right-of-use or area disturbed by contractor including obtaining NOC from respective land owner and statutory authorities during their construction activities for laying of pipeline works and disposal of debris and returning all surplus material to designated disposal areas / storage yard as and backfilling of trench and compaction of the same as per satisfaction of Owner and / Or as directed by Engineer–in–charge. However, restoration of Asphalt / Bituminous / Concrete / Metal / Red stone roads / Pavement / Pavor block / Tiled / Bricklined including compaction of soil, to original condition as per requirement and to the entire satisfaction of EIC and / or concerned Owners having jurisdiction and shall be paid as seprate items mention else where in the SOR.

Restoration of land, facilities and boundary wall etc. and associated facilities dismantled/damaged by the Contractor during construction.

Installation of all burried valves ( for line Isolation Purpose) inside the valve pit/Chamber and making provision to operate the valve ( This is excluding the SV stations and Tapp-Off Points, however payment for the same shall be governed through relevant SOR item available else where in SOR)

Protective coating of 1000 micron thick two component (applied with the help of minimum three coats) liquid epoxy including supply of materials duly approved by Owner for all piping valves, fittings, structural steels etc. for buried installation and inside the valve pit as approved by the Engineer-in-charge.

Carrying out all temporary, ancillary, auxiliary works and all incidental works required to make the pipeline ready for pre-commissioning.

Hook-up work with existing pipelines.

Obtaining work permits/ NOC from various statutory authorities having jurisdiction, before and after execution of the work, and complying with all stipulation/conditions/recommendation of the said authorities;

Preparation of as-built drawings, pipe-book and other records as specified in the specifications. SOR shall be read in conjuction with job specific requirements, specifications, standards, drawings and other provision of contract document. All above works related to line pipe laying and installation for buried pipeline are as per following details given below:

PIPELINE LAYING BY OPEN CUT METHOD

For all types of soil including pebbels, cobbles, boulders, structures, PCC/RCC/build up surface etc.

100 6.4 API 5L Gr. X-52 3 Layer PE Double random Coating (Externally) (approx. 11.5 m to 12.5 m)

Notes to 1.1

This item shall be applicable for the underground steel grid main pipeline & branch pipeline including underground/aboveground tap-off for distribution pipelines, valves, barred tees, insulating joints, bends (R=3D), flanges & fittings, accessories etc. and including fabrication, NDT, Testing , tie-in of valve assembly including radiography of tie-in joints as per Schematic Layout Drawings and technical Specification alongwith aboveground approach pipeline upto Insulating Joint (including installation of aboveground / underground insulating joint) for various stations.

Supply of all valves, flanges, fittings, assorted pipes, barred tees & insulating Joints, etc. shall be paid by separate item mentioned elsewhere in SOR.

Contractor shall not perform any pipeline activities along ROU without specified barricading as per Std. Drg. and other safety measures.

Proposed pipeline route is passing through MDR/ Asphalt Road / concrete roads (RCC/PCC) etc. However, in case of non-availability of Perission along MDR/ Asphalt Road / concrete roads (RCC/PCC) etc., the pipeline route may change and this may also require a new tap-off point at suitable location on Pipeline . This may cause increase / decrease in SOR quantities.

The rates shall be applicable for all locations / region/ charge area within & around the quoted part of the GA/Region.

The above rate is excluding of crossings by HDD, Boring, moiling, open cut conventional Method mentioned under separate item.

In congested area trenching may be done manually for pipeline laying. Further Contractor shall ensure that no tree/plant cutting shall be carried out during Pipe Line Laying operations.Trenching shall be carried out manually if needed, so as to ensure no damage to plant/tree/OFC /water pipe line /telephone line/sewage line/electric cable and other under ground utilities.

The quantities mentioned above are tentative and may increase or decrease depending upon the site conditions/requirements. Items except above are covered separately.

For Tie-in and other locations wherein NDT through X-ray is not feasible NDT by Gamma ray shall be permitted with due permission of EIC.

Payment items above under Rocky strata shall be made wherever hard rock of single piece exceeding 1.5 meter in any direction within the trecnch dimension with respect to length, width & depth and removal only by pneumatic chisel/ drill/ rock-breaker.Trenching in rockey starta shall be done by rock breaking tool / rock hammer. Supply and installation of rock shield as per specification including padding through sand / soft soil shall be done as per diection of EIC. Bidder to quote accordingly.

PIPELINE LAYING/INSTALLATION BY HDD

Complete work of laying of pipeline in restricted ROU along with adjacent road/nala (if minor road/nala/ Branch road having ROW less than 15 Meters falling under the laying profile and not considered under separate crossing) by HDD method including "Receiving and taking over" owner supplied 3LPE coated line pipes from owner's designated place to issue/dump site(s) and transportation to contractor's stock yard/work site including all handling, loading, uploading, aligning etc. supply of all contractor supplied material including consumables, manpower, equipment, other resources to work site(s) and aquiring the required land for storage. Execution of, but not limited to, following works in accordance with specifications and instruction of engineer-in-charge and as per all provision of Contract Document.

Pre-construction survey, necessary cover required over the carrier pipeline, based on site visit, collection of data (if required) from concerned Authority including design and detail engineering and making of drawings for getting their approval from concerned Authority/Engineer-in-charge, getting work permit/NOC for utlities crossings (if any) encounterd prior to start the execution of work.

Drilling to required depth from top of ground (min 1.5 mtrs.)including maintenance of drill hole in all types of soil including pebbels, cobbles, boulders, structures etc. and all types of rocky starta, all depth to accommodate the pipeline at all conditions encountered by approved HDD methods for providing minimum cover specified in code/specification or the actual depth as decided by concerned authority, whichever is more.

Laying of the pipeline by the approved HDD method including pipeline string prepration, welding, testing, 100% radiography by X-ray either by internal source or external source based on site conditions/front availability and in this regard decision of EIC shall be final and binding to the contractor (In case placement/installation of X-ray equipment is not feasible, in that case Gamma ray may be permitted as per decision of Engineer In-Charge(EIC) based on site conditions), welding repair and retest, coating of field joints with special type Dirax Heat Shrink Sleeve or equivalent (including supply of coating material) and repair of pipeline coating with special PERP-80 repair patch or equivalent material (including supply of repair patch) as per specification, pre-hydrotest of complete strings made for laying etc.

Backfilling of the ditch/trench including restoration and clean-up of area, disposal of drilling fluid & waste etc. to the satisfaction of Engineer-in-charge and/or as directed by concerned Authority.

Gauging, pigging, Cleaning, Post installation hydrotest, dewatering and tie-in with pipeline at either banks or other adjusant pipeline section maintaining minimum pipeline cover 1.2 to 1.5 meter etc. all other works including pigging, Cleaning, final hydrotesting etc. alongwith mainline works(as mentioned above) required as per specifications, codes, approved drawings, calculations, methods and as directed by Engineer-in-charge and provision of contract document, getting NOC from all concerned authority of the facillities.

Carrying out cleaning, gauging (if applicable), water filling, pre-hydrotesting of complete pipeline string in one section/ test sections as approved by EIC/RCM to specified test pressures (i.e.1.5 times of Design pressure) for 4 hours hold period / or as concern authority latest guideline ; providing all equipment, pumps, test headers, fittings, pressure & temperature instruments etc., and services, supervision, labour, consumables, water, air, etc. as required; detection of leaks, if any occurred during pre-hydrotesting, attributable to Contractor and rectification of defects, re-testing after rectification with due approval of Owner, successful completion of pre-hydrotesting including dewatering of pipeline to acceptance criteria defined in the specifications. Supply of required quantity of corrosion inhibitor, if required for pre-testing of designated sections complete as per specification and approved by Engineer–in–charge (EIC)/ RCM.

Installation/laying of Coated Line Pipes as per following details:

For all type of Soil including pebbels, cobbles, boulders, structures etc.

100 6.4 API 5L Gr. X-52 3 Layer PE Double random Coating (Externally) (approx. 11.5 m to 12.5 m)

For all types of rocky starta

100 6.4 API 5L Gr. X-52 3 Layer PE Double random Coating (Externally) (approx. 11.5 m to 12.5 m)

Notes to 1.2:

Pipeline length are tentative and for various crossings/site locations wherein laying through open cut is not feasible. Bidders are advised to visit the site for actual assessment of extent of laying and to access the maximum extent of cover which may have to be provided. Actual string length for HDD shall be as per design calculations so that pipe is not under stress as permitted by codes/ specifications. Final length of string shall be decided after decision of minimum cover requirement by concerned Authority/ Engineer-in-charge.

Payment for the length of final tied-in carrier pipeline string are inclusive in the above item rate and no separate payment shall be made under other item mentioned elsewhere.

Contractor shall not perform any pipeline activities along ROU without specified barricading as per Std. Drg. and other safety measures.

For payment of laying of pipeline length in hard rock by HDD, complete HDD tie in length as per approved profile for Hard rock/Rocky Strata HDD based on soil investigation and lab analysis report shall be considered payable as per the rates of SOR on meeting the following conditions- a) The contractor to arrange to carrying out soil investigation and lab analysis report at a maximum span of 25 meters in normal case (or more as per direction of EIC in case site conditions does not allow span less than 25 meter) for establishing the hard rock/Rocky Strata HDD. b) The contractor shall deploy and use Rock cutting machine/Rock cutting diamond cutter tool /Requisite rock cutting tool and all other accessries as required to make drill hole in rocky starta/Hard rock for HDD. The cost of rock cutting tool, diamond cutter etc. and all other accessries are inclusive in the above item rate and no separate payment shall be made.

Quantity indicated above is tentative. Execution of pipeline laying through HDD method in rocky strata shall be jointly recorded inline with soil report/physically checking of starta by approved methodlogy. However no additional payment on account of additional survey,finalization of type of soil starta shall be made to the contractor. In case of any dispute, deceision of EIC shall be final and binding to the Contractor.

Contractor have to submit HDD profile drawing clearly indicating the type of soil starta along with approved survey report/ physical verified data ..etc for GAIL GAS/PMC approval.

Crossing (by HDD Method) FOR MINOR RIVER, OTHER WATER BODIES, ROAD & RAILWAY

Complete work for installation of carrier pipeline (between the ROW limits as per approved drawing) by HDD method including "Receiving and taking over" owner supplied three layer PE coated line pipes from Owner's designated place to issue/ dump site(s) and transportation to Contractor's stock yard/ work shop/ work site including all handling, loading, unloading, aligning etc. supply of all Contractor supplied material including consumables, manpower, equipment, other resources to work site(s) and aquiring the required land for storage., Execution of, but not limited to, following works in accordance with specifications and instruction of Engineer-in-charge and as per all provision of Contract Document.

Pre-construction survey, necessary cover required over the carrier pipeline from lowest bed level of the stipulated water crossing to be obtained from concerned authority, bed strata data including design & detail engineering and making of crossing drawing for getting their approval from concerned Authority/ Engineer-in-charge, getting work permit/ NOC for water crossings as well as utility crossings (if any) encountered during water crossing prior to start the execution of work. getting work permit/ NOC for water crossings as well as utility crossings (if any) encountered during water crossing prior to start the execution of work.; obtaining historical data/ scour depth (for river) from concerned authority, if required, ascertaining under neath soil & strata, necessary cover required over the carrier pipeline from lowest bed level of the stipulated water crossing including design & calculation and detail engineering and making of crossing drawing for getting the approval from concerned Authority/ Engineer-in-charge, getting work permit/ NOC for water crossings as well as utility crossings (if any) encountered during water crossing prior to start the execution of work. For road crossings,pre-construction survey based on site visit, collection of data (if required) from concerned Authority including design and detail engineering and making of crossing drawings for getting their approval from concerned Authority/ Engineer-in-charge, getting work permit/ NOC for the crossing as well as utility crossings (if any) encountered during crossing prior to start the execution of work.

In case of water body crossings / minor River Drilling to the required depth on the banks and bed including maintenance of drill hole in all types of soil starta ( ie; soft/hard soil, soft/hard rock....etc), all depth to accommodate the pipeline at all conditions of the waterbody crossings by HDD methods for providing with minimum cover either (i) 1.5m below the scour level / profile, duly approved/ accepted by concerned authority ( under whose jurisdictions the crossing lies)---- For small rivers with rocky bed with profile length less than 250 meters or (ii) 2.5m below the scour level / profile, duly approved/ accepted by concerned authority ( under whose jurisdictions the crossing lies)---- For other rivers. or (iii) 1.5 m below the bed level / profile, duly approved/ accepted by concerned authority ( under whose jurisdictions the crossing lies)---- For minor waterbody crossings. and (iii) In addition to point (i) & (ii), In case of multiple combined X-ing i.e. river alongwith road/ drain, minimum cover requirement as per specification/ concerned authority for each type of x-ing has also to be fulfilled. However, for all crossings minimum cover requirements shall comply to specifications of concirmed authority.

For road/rail crossings, carrying out pre-construction survey based on site visit, topographical survey, geotechnical investigation to establish bed strata upto sufficient depth, collection of data (if required) from concerned Authority including design and detail engineering and making of HDD Profile drawings for crossing and getting their approval from concerned Authority/ Engineer-in-charge including carrying out liasioning & co-odrination works for crossings as well as utility/foreign pipeline crossings (if any) and obtaining work permit/ NOC from concerned Authority prior to start the execution of work. Assistance in ROU opening & closing and their maintainence/ management both side of the crossings.

Carrying out complete work for installation/pulling/insertion of pre tested and field joint coated carrier pipeline accross the crossings (between the ROW limits as per approved HDD profile drawing of crossings) by HDD method.Including digging of entry & exit pit as per requirement of work and design criteria.

For waterbodies/minor river crossings: Drilling to the required depth on the banks and bed including maintenance of drill hole in all types of strata, all depth to accommodate the pipeline at all conditions of the crossings as per approved HDD profile and providing minimum cover specified in code/specification or the actual depth as decided by concerned authority, whichever is more.

In case of road crossing/SH/NH, drilling to required depth from top of road including maintenance of drill hole in all types of soil starta (i.e; soft/hard soil, soft/hard rock including boulder, pebbels / cobbels etc), all depth to accommodate the pipeline at all conditions encountered during road crossing by approved HDD methods for providing minimum cover specified in code/ specification or the actual depth as decided by concerned authority, whichever is more.

Laying of the carrier pipeline (for both water body and elevated road / rail / structure crossing) by the approved HDD method across the crossing including, strings preparation of carrier , welding, testing, 100% radiography by X-ray either by internal source or external source based on site conditions/front availability and in this regard decision of EIC shall be final and binding to the contractor (In case placement/installation of X-ray equipment is not feasible, in that case Gamma ray may be permitted as per decision of Engineer In-Charge(EIC) based on site conditions) welding repair and retest, coating of field joints with special type Dirax Heat Shrink Sleeve or equivalent (including supply of coating material) and repair of pipeline coating with special PERP-80 repair patch or equivalent material (including supply of repair patch) as per specification, pre-hydrotest of complete strings made for crossing as per specification/ concern authority code or guideline etc.

Backfilling of the ditch/ trench including restoration and clean-up of area, disposal of drilling fluid & waste etc. to the satisfaction of Engineer-in-charge and /or as directed by Concerned Authority.

Carrying out cleaning, gauging (if applicable), water filling, pre-hydrotesting of complete pipeline string in one section/ test sections as approved by EIC/RCM to specified test pressures (i.e.1.5 times of Design pressure) for 4 hours hold period / or as concern authority latest guideline ; providing all equipment, pumps, test headers, fittings, pressure & temperature instruments etc., and services, supervision, labour, consumables, water, air, etc. as required; detection of leaks, if any occurred during pre-hydrotesting, attributable to Contractor and rectification of defects, re-testing after rectification with due approval of Owner, successful completion of pre-hydrotesting including dewatering of pipeline to acceptance criteria defined in the specifications. Supply of required quantity of corrosion inhibitor, if required for pre-testing of designated sections complete as per specification and approved by Engineer–in–charge (EIC)/ RCM.

Pigging, Cleaning, Post installation hydrotest,dewatering, swabbing, drying and tie-in with pipeline at either banks etc. all other works including pigging, cleaning, final hydrotesting as per technical specification etc. alongwith mainline works required as per specifications, codes, approved drawings, calculations, methods and as directed by Engineer-in-charge and provision of contract document; getting NOC from all concerned authority of the facilities crossed. For swabbing, a combination of low density and high density Pigs shall be carried out till acceptance of the swabbing criteria as per specification. For DRYING of the underground pipeline section length, purging of nitrogen or by blowing of dehumidified compressed air to be carried out till acceptance of Owner/PMC and make ready for Commissioning of pipeline section.

Backfilling of the ditch / trench including restoration, clean-up of area, disposal of drilling fluid & waste, etc. to the designated place with entire satisfaction of EIC/RCM/ Concerned Authority and getting NOC from concerned authority.

Preparation and submission of as built drawings & other drawings/documents, etc. duly approved by EIC/RCM.

Details of Crossings (For all types of soil including pebbels, cobbles, boulders, structures, PCC/RCC/build up surface etc. Except rocky Strata)

Crossing of pipeline as per approved HDD profile with Tie In upto 100 metres

Any type of Crossing viz. Crossing of Unlined Canal / Distributary / Canal / Drain / Minor River / Nala / NH / SH / MDR / RAIL etc. having ROW more than 15 meters crossings for carrier pipeline of size 100 NB x 6.4mm Thk. of API 5L Grade X - 52 in all type of under ground strata (including soft/hard soil) Except rocky Strata

Crossing of pipeline as per approved HDD profile with Tie Length more than 100 meters but less than equal to 250 meters

Any type of Crossing viz. Crossing of Unlined Canal / Distributary / Canal / Drain / River / Nala / NH / SH / MDR / RAIL etc. having ROW more than 15 meters crossings for carrier pipeline of size 100 NB x 6.4mm Thk. of API 5L Grade X - 52 in all type of under ground strata (including soft/hard soil) Except rocky Strata

Notes to 1.3

Crossing width may vary as per site condition. Bidders are advised to visit the site for actual assessment of extent of crossing and to access the maximum extent of cover which may have to be provided. Actual string length for HDD shall be as per design calculations so that pipe is not under stress as permitted by codes/ specifications. Final length of string shall be decided after decision of minimum cover requirement by concerned Authority/ Engineer-in-charge.

Payment for the length of final tied-in carrier pipeline string are inclusive in the above item rate and no separate payment shall be made under other item mentioned elsewhere.

The Contractor has to quote on running meter basis for X-ing. No any extra payment shall be made against this item.

Width of above crossings indicated are tentative and for multiple crossings. This shall be as per requirement at site for crossing at different locations.

Length of the individual crossing may increase or decrease depending upon site condition/requirement , accordingly HDD rig capacity may increase (w.r.t. rig capacity as mentined in tender document , if any ) and contractor shall deploy the same as per decision of EIC.

For river crossings Geo-technical investigation , bore log data ,hydrological and hydrographical survey of crossings, as required shall be carriedout by the successful bidder and submit the data/report for the same for GAIL GAS LTD / PMC for Approval . Contractor shall submit design calculation and all construction (profile) drawings in line with approved survey data for GAIL GAS LTD /PMC for approval. Work shall start only after approval of the above. However PMC/CLIENT shall not be held responsible for the change of strata if found to be variable. Contractor may ascertain the bore hole data by taking random samples,obtain historical data/ scour depth (in case of river) from concerned authority ascertaining under neath soil & strata, necessary cover required over the carrier pipeline from lowest bed level of the stipulated water crossing if they feel the necessity.

Providing end seal at both ends as per specification is included in above rates

For payment of laying of pipeline length in hard rock by HDD, complete HDD tie in length as per approved profile for Hard rock/Rocky Strata HDD based on soil investigation and lab analysis report shall be considered payable as per the rates of SOR on meeting the following conditions- a) The contractor to arrange to carrying out soil investigation and lab analysis report at a maximum span of 25 meters in normal case (or more as per direction of EIC in case site conditions does not allow span less than 25 meter) for establishing the hard rock/Rocky Strata HDD. b) The contractor shall deploy and use Rock cutting machine/Rock cutting diamond cutter tool /Requisite rock cutting tool and all other accessries as required to make drill hole in rocky starta/Hard rock for HDD. The cost of rock cutting tool, diamond cutter etc. and all other accessries are inclusive in the above item rate and no separate payment shall be made.

RAKING UP OF BUILT-UP SURFACE / HARD SURFACE

Raking up of built-up surface / Hard surface of any type including metal road/ surface , concrete road/ surface, bituminous road/ surface, asphalt road/ surface etc. which is breakable in pieces shall be carried out either by breaking, chiselling or otherwise cutting etc manually or using pneumatic machine. Further, built-up surface of any type including tiled surface, paver block, brick lined etc.which is breakable/removable in pieces manually shall be carried out without using pneumatic machine. All tiles/ slabs/ paver block/ curb stones etc.removed during excavation shall be placed properly.

Specified dia Thk (mm) Material Coating Type Length of each pipe (mm) NB

100 6.4 API 5L Gr. X-52 3 Layer PE Double random Coating (Externally) (approx. 11.5 m to 12.5 m)

RESTORATION OF ROADS

Restoration of Asphalt / Bituminous / Concrete / Metal / Red stone roads / Pavement / Pavor block / Tiled / Bricklined including compaction of soil, to original condition as per requirement and to the entire satisfaction of EIC and / or concerned Owners having jurisdiction for following thickness :

Restoration of Asphalt / Bituminous road upto 10 cm thickness

Restoration of Asphalt / Bituminous road beyond 10 cm and upto 30 cm thickness

Restoration of Concrete / Metal road upto 10 cm thickness

Restoration of Concrete / Metal road beyond 10 cm and upto 30 cm thickness

Restoration of red stone road / pavement / pavor block / tiled / bricklined upto 4 inch thickness

Restoration of red stone road / pavement / pavor block / tiled / bricklined beyond 4 inch and upto 8 inch thickness

Additional work over and above item 1.0 for supply of specified and approved quality of borrowed local soft graded soil / sand in place of available excavated material and / or other suitable soil as per applicable standards / specifications, including backfilling of excavated trench for specified length after laying and padding of pipeline, including local transportation of such special backfill material over all distances, complete.

CONTINUOUS CONCRETE COATING (FOR CS PIPES)

Supply of all consumables, materials and application of 60 mm thk. continuous concrete weight coating of minimum density 2245 kg/m3 of minimum grade M-35 for 4'' NB Line Pipe and field joints thereof in all areas of work wherever required as per site condition and performing all works as per specification on the line pipe for following sizes :-

Specified OD 114.3 mm x 6.4 mm W.T.

WATER BODY (RIVER / CANAL) X-INGS (BY OPEN CUT CONVENTIONAL METHOD)

Complete work for installation of carrier pipe (between the limits as defined in approved drawing) including "Receiving and taking over" owner supplied corrosion coated line pipes from owner's designated places of issue/ dump site(s) and transportation to Contractor's stock yard/ work shop/ worksite including all handling, loading, unloading, etc. supply of all Contractor supplied material to worksite(s) including consumables, manpower, other resources and acquiring the required land for storage, fabrication, access for Contractor etc. and execution of, but not limited to, following works in accordance with specifications and instructions of Engineer-in-charge and as per all provision of Contract Document.

For waterbody crossings: Pre-construction survey , obtaining scour depth (for river) from concerned authority (if required), necessary cover required over the carrier pipeline from lowest bed level of the stipulated water crossing to be obtained from concerned authority, bed strata data including design & detail engineering and making of crossing drawing for getting their approval from concerned Authority/ Engineer-in-charge, getting work permit/ NOC for water crossings as well as utility crossings (if any) encountered during water crossing prior to start the execution of work.

Following data shall be obtained from concern authority/ local sources (for river) to finalise scour depth :-

Past Historical flood level datas indicating HFL to determine highest flood level.

River flow data including velocity of water flow.

Necessary information regarding type of soil and strata underneath the river bed.

Trenching to the required depth and a width on the banks and bed including maintenance of trench in all types of strata, all depth to a width to accommodate the pipeline at all conditions of the water crossings by various methods for providing with minimum cover over top of the pipe at all point across the maximum possible width of water bed (as per drawing) either 1.5 mtrs. below the predicted scour profile expected during the life time of the pipeline or 2.5 mtrs. below the available lowest firm bed (if scour profile/ depth not available) of the water crossing by ascertaining bed level upto 50 mtrs. both the side from crossing location or the actual depth as decided by concerned Authority/ Engineer-in-charge whichever is more.

Strings preparation of pipes, welding, testing, 100% radiography by X-ray either by internal source or external source based on site conditions/front availability and in this regard decision of EIC shall be final and binding to the contractor (In case placement/installation of X-ray equipment is not feasible, in that case Gamma ray may be permitted as per decision of Engineer In-Charge(EIC) based on site conditions), welding repair and retest, coating of field joints with Heat Shrink Sleeve or equivalent (including supply of coating material) and repair of pipeline coating with repair patch or equivalent material (including supply of repair patch) as per specification, pre-hydrotest of complete strings made for crossing etc.

Final strings preparation of pipes as per approved drawing & specification or as decided by Engineer-in-charge depending on site condition, repair of coating damages,coating of field joints, etc. as per respective technical specification.

Continuous concrete weight coating of thickness 60 mm , minimum density 2245 kg/m3 of mininum grade M-20 (nominal mix) and field joints thereof in all areas of work wherever required as per site condition and performing all works as per specification.

Supply & installation of warning mat on the entire length of the pipeline as per specification, supply of warning mat for pipeline as per the technical specification enclosed in the bid document.The material of warning mat shall be of high density polyethylene and non biodegradable type. It shall have non-toxic and anti rodent properties.

Details of Water Body Crossing

Crossing of Unlined Canal / Distributary / Canal / Drain / River / Nala Crossings for carrier pipeline of size 100 mm NB x 6.4mm Thk. of API 5L Grade X-52

Note: (i) Width of the crossing is tentative and vary as per site condition.Crossing drawings are attached along with tender document for reference. Bidders are advised to visit the site for actual assessment of extent of crossing and to access the maximum extent of cover which may have to be provided. Actual string length shall be as per codes/ specifications. Final length of string shall be decided after decision of minimum cover requirement by concerned Authority/ Engineer-in-charge.

(ii) Final length of string & cover from top of pipe for each crossing shall be decided by concerned Authority/ Engineer-in-charge.

(iii) Payment for the length of final tied-in carrier pipeline string with mainline made for crossing laid by open cut conventional method are inclusive in the above item rate and no separate payment shall be made under other clause mentioned elsewhere.

(iv) Stablisation of disturbed Bed & Bank shall be carried out as per standard drawings or as per requirement of the concerned authority without any extra cost to the owner.

REPAIR OF DEFECT IN PIPES (NOT ATTRIBUTED TO CONTRACTOR)

Repair of defects on Owner supplied linepipes of all grades and wall thickness as specified in following items, noted and recorded at the time of "receiving and taking over" by Contractor in the presence of Engineer-in-charge.

Cutting and rebevelling for dents in bevels exceeding 3 mm in depth for pipe sizes:

Specified OD, mm

Jack out of dents in bevels ranging between 1 mm and 3 mm in depth for pipe sizes:

Note : Quantity indicated above is tentative and may increase/decrease or delete as per site requirement.

REPAIR OF COATING DEFECTS (NOT ATTRIBUTED TO CONTRACTOR)

Repair of Holiday in Coating (Noted and recorded at the time of "receiving and taking over")

Supply of all coating repair materials as per requirements of specification to be compatible with line pipe coating material, supply of all consumables, utilities, equipments and all manpower required, pipe cleaning and surface preparation, repairing of coating defects (resulting in holiday) and testing including all handling, transportation, etc. for line pipes, performing all works necessary for the completion of the works stirctly in accordance with relevant specification and instructions of Engineer-In-Charge. This rate shall be applicable per sq. cm of the exposed steel area exposed steel area.

Note: Qty of above markers are tentative and may increase or decrease as per site situation. Contractor have to take prior approval from EIC before fabrication or order placement.

PERMANENT MARKERS

Supply, fabrication and installation of all types of permanent markers along the route including all associated civil works such as excavation in all types of soil, construction in all types of soil, construction of pedestals and grouting with concrete, clearing, supply and application of approved colour and quality of primer and paint, stencil letter cutting for numbers, direction, change etc., restoration of area to original condition and performing all works as per drawing, specification and instruction of engineer-in-charge.

Pipeline RCC boundary / route marker as per drawing

Pipeline warning plate markers with post & foundations as per drawing

Pipeline direction marker with post & foundations

Pipeline KM with post & foundations

Navigable Waterway Markers

Note: Qty of above markers are tentative and may increase or decrease as per site situation. Contractor have to take prior approval from EIC before fabrication or order placement.

LEAK / BURST (ATTRIBUTABLE TO OWNER)

All works for locating leak / burst in Company's supplied material only (occurred during hydro-static testing) including necessary repairing/replacing defective pipe lengths including cutting and out and removing the defective pipe, pre-testing and welding of replacement pipe, NDT of welds, repair and retesting of defective welds, coating/painting of replacement pipe, pretesting the replacement pipe into mainline/branch line, coating/painting of welding joints, cleanup, retesting including cost of all labour materials, consumables and performing all works in accordance with the provisions of the Contract document and as directed by Owner/ Engineer-in-charge (EIC)

For 4" NB Line

Note: (i)This rate is applicable for manufacturing defects in Owner supplied material only. (ii) Leak detection, its rectification and successfully re-hydrotesting shall be carried out as per approved procedure by Contractor with a view that completion of all activity for successful hydrotesting is not inordinalely extended which will hamper the overall project schedule.

COMMISSIONING OF ENTIRE UNDERGROUND PIPELINE LENGTH AND STATIONS

Commissioning assistance Commissioning assistance during commissioning for underground pipeline length and stations including supply of manpower, equipments, tools & tackles, required consumables (nitrogen reqiured for purging if any etc.), materials for all temporary works and performing all associated works, complete as per the relevant specifications, other provisions of Contract document and instructions of Engineer-in-Charge.

For 4" NB Line

Note:-The quantities mentioned above for various pipeline sections at different locations.

IDLE TIME PRESERVATION OF PIPELINE

Preservation of pipeline sections and associated facilities (in event of delay in ROU acquisition, 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.

For 4" NB Line

For every additional period of one month or part thereof

For 4" NB Line

Note:- i) The quantities mentioned above for various pipeline sections at different locations within & around the GA.. ii) All accessrious ie Two nos. of dished end caps and two nos tappings of 3/4 inches,PG to be considered per section and rate for the same are inclusive. iii) If month is partially complete, payment shall be made on prorata basis.

DIGITIZATION OF RADIOGRAPHY FILMS:

Carrying out digitization of all radiographic films (mainline and terminal piping) in the form of digital images (which can then be archived safely for long life and electronic retrieval) complying to all the legal local rules, codes and international standards.Submission of digital images of radiographic film along with compatible software in 6 sets of CD/DVD/Pendrive for electronic viewing /retreival.

For 4" NB Line

Note:- The quantities mentioned above for various pipeline sections at different locations within & around the GA..

TRIAL PITS

Excavation of trial pits on pipeline route (min Size 1.5 Mtr x 1.0 Mtr.) or any other Location as per instruction of engineer incharge in all kinds of underground strata up to existing laid pipeline without damaging pipe coating.Barricating the trial pit area including application of warning tape /warning sign around the trial pit till the necessary checking & backfilling of same as per direction of Engineer Incharge.Cleaning of excavated pipe & other underground facilities including supply of all materials (except Owner supplied materials), consumables, equipment, labour, etc. for carryout the reffered work as per directions of the Engineer-in-charge.

NOTE:- Quantity mentioned above is for the various locations within the GA and may increase/decrease or not to be executed based on site requirement.

Pipeline Laying Liasioning & Co-odrination (including utility crossing) and obtaining permission / NOC from the statuatory / concerned authorities. Assistance in ROU / Pipeline Route Alignment Corridor opening & closing and their maintainence/ management.

Submitting request for (after obtaining the letter from client) permission , follow up , assisting in site inspections / route suevey / site report making/making site inspection drawings, submitting at designated offices , resubmission after correction , modification if required , soft and hard copy in nos. as required /if required in sizes , and collecting permission from the statuatory authorities including NHAI , PWD , Railways , Irrigation , Forest , Municipal Corporation, District administration, River Authority,SEZ etc. Obtaining work permits /NOC from various statutory authorities having jurisdiction before execution of the work and complying with all stipulations /conditions/recommendations of the said authorities. Only statutory fees shall be paid by the owner. Assistance in required length and width/restricted width of ROU opening & closing and their maintainence/ management both side of the crossings.

For 4" NB Line

NOTE- (i) The quantities mentioned against the above SOR items are tentative and may vary depening upon the site condition during execution stage. (ii) The total quantities mentioned against the above SOR items are applicable for the works carried out as mentioned above for laid, tested & commissioned or preserved with nitrogen main steel pipeline section and quantity mentioned against each SOR item is for multiple/various crossings at different locations within the GA. (iii) 90% payment for the above item shall be made only after the certified length of executed, tested & commissioned or preserved with nitrogen main steel pipeline section by Engineer–in–charge (EIC)/ RCM. Rest 10% payment will be made after acceptance of the system by Owner/PMC and after closure of contract.

GENERAL NOTE FOR ALL ABOVE SOR ITEMS - (i) Quantities mentioned against all above SOR items are estimated & tentative and may vary up to any extent as per site condition and/or as per instruction of EIC. (ii) If certain documents, drawings, datasheets, specifications etc. are not included in the bid, the same will be made available to the successfull bidder. While formulating the bid, bidders are requested to quote such items based on the industry practices followed by the similar nature of industries. However procurement & installation of such items will be done as per site requirement after due approval of EIC. (iii) Laying/ installation of pipeline along with associated works mentioned in above SOR items are also to be utilized and carried out for various consumer connectivities/ extension of pipeline … etc within the Geographical Area (GA). (iv) In the above SOR items & scope of works, incase of any conflict in requirement among PJS, Technical Specification, tender documents, drawings, datasheets, latest relevant Codes & Standards, Statutory Regulation, requirement of the local authority, etc., the most stringent requirement shall govern, however decision of EIC in this regard shall be final and binding to the contractor.

TEMPORARY CATHODIC PROTECTION WORKS

Design, Detailed Engineering, Survey, Supply, Installation, Testing and commissioning & Monitoring of the temporary cathodic protection [TCP] system using galvanic anodes to protect the external surface of the entire steel pipeline network approximately 10.8 kM in length, against soil- side corrosion for minimum 2 years or till commissioning of permanent CP system whichever is later. All work shall be carried out conforming to the Scope of work, Design Basis, Data Sheets, standard specification,and vendor list attached and provisions of GCC, SCC including Technical specifications, OWNER/CONSULTANT approved survey report/design package, including all materials, equipment's, consumables, start up/commissioning spares etc. including transportation, storage of materials at site, manpower, in line with direction of Engineeer in-charge.

Soil resistivity Survey & soil/water chemical analysis

Measurement of soil resistivity along the right of way of the main pipeline (At 500mtr Interval at depth of 1.5M, 2.5M & 3.5M) & collection of additional data like foreign pipeline, details of existing CP systems and anode beds, DC/AC power sources and systems using earth return path such as HVDC substations/earthing stations, Crossing and parallel running of electrified railways, underground power cables and other elements that may interfere with the CP system as per standard specifications and scope of work and submission of report& applicable NACE standard incuding preperation of Design, detailed engineering, preparation of design document, preparation of Test station schedule & Bill of Material.

Collection of soil & water samples along ROW at depth of 1M, 2M & 3M at every 5 km interval (Min 03 sample at each location) for its chemical & microbial analysis along the pipeline route as per specification for corrosion survey for detection of SRB, ARB & Total dissolved H2S etc.

Supply & Installation of pre-packed Mg Anode (5 Kg) with FACTORY CRIMPED tail cable 1Cx10 Sq.mm Unarmoured cable (with sufficient length) & encapsulation kit for cable connection termination of Anode tail cable in the TLP etc. Howevever min one anode is to be installed at every one kM with test staion.

Supply & Installation of pre-packed Zinc Anode (40 years design life / Min. 20 Kg) for HT Line crossing with one cable including 1Cx25 Sq.mm armoured cable (with sufficient length), encapsulation kit termination of Anode tail cable in the TLP etc.

Supply and installation of Test lead Points (TLP/Test stations) Small Size (300mm X 275mm X 230mm), with lockable door in weather proof IP-55 construction as per specifications and standard drawings complete with backlite connection plate, connection studs terminals, 4” dia heavy duty pipe, base plate welded at the bottom including MS bend for concrete base, M-20 grade concrete foundation as per standard drawings & miscellaneous works such as excavation and backfilling for foundation/trenches for cable laying. The work shall include PCC over foundation after installation of TLP, supply & fixing of a name plate containing the details like KM location, identification, TLP No., Marking of connection scheme, type etc., on the inside of the cover including the cost of all labour, materials, tools & tackles etc.

Supply and installation of Test lead Points (TLP/Test stations) Big Size (475mm X 420mm X 350mm), with lockable door in weather proof IP-55 construction as per specifications and standard drawings complete with backlite connection plate, connection studs terminals, 4” dia heavy duty pipe, base plate welded at the bottom including MS bend for concrete base, M-20 grade concrete foundation as per standard drawings & miscellaneous works such as excavation and backfilling for foundation/trenches for cable laying. The work shall include PCC over foundation after installation of TLP, supply & fixing of a name plate containing the details like KM location, identification, TLP No., Marking of connection scheme, type etc., on the inside of the cover including the cost of all labour, materials, tools & tackles etc.

Cable to pipe connection by thermit welding for 25,10 ,6 sq.mm copper cable including excavation and exposing piping , recoating with epoxy, testing etc.

Supply & Installation of 3.7kA @30 cycles solid state Polarization cell, to be installed in the vicinity of AC transmission lines.

Supply and installation of Zn Ribbon anode (Dia min. 12x14 mm with back fill in trench) can also be used for the grounding purpose to get lower grounding resistance.

Supply and installation of pre-packed Cu-wire AC mitigator wire of MATCOR make or equivalent can also be used for the grounding purpose to get lower grounding resistance.

Supply & Installation of Surge Diverter for at Insulating Joint (10/350 µS = 100kA)

Supply and installation of GI Pipe earth electrode of 65 mm dia, 4.5 mm thickness & 3000mm long and earth pit back fill as per standard drawing Earthing of above ground cathodically unprotected pipeline at IJ Locations. Maximum allowed earth resistance shall be 2 ohms.

Supply and Instllation of GI Strip (50X6) mm

Supply and Instllation of GI Strip (25X3) mm

Supply and Installation of Copper Strip (25X3) mm

Supply, installation, testing & commissioning of Polarisation coupons each of total area of 100mm x 100mm having one side exposed area of 10 mm x 10 mm shall be provided along the pipeline at marshy areas and at vulnerable locations to monitor the external corrosion activity on the pipeline as per enclosed standard specification. Location of external Polarisation coupons & Number of magnetic devices for operation of magnetic switch shall be decided during detail engineering. The works related to collection of approximately 2-5 m of pipeline material (In pieces of 300 to 1000mm length) for fabrication of Polarisation coupons is in the scope of the Contractor.

Supplying, laying, termination, ferruling & testing of all the cables of TCP system, Cu-Conductor, XLPE insulated, PVC sheathed, Armoured/Unarmoured as required.

1Cx6 mm2 Armoured

1Cx10 mm2 Armoured

1Cx25 mm2 Armoured

Monitoring of the TCP system, on monthly basis, till commissioning of the permanent cathodic protection system or closure of contract whichever is earlier.

PIPING & MECHANICAL WORKS

PLANT PIPING FOR UNDERGROUND/ ABOVEGROUND INSTALLATION

1. Transportation including loading, unloading & handling of all piping items ( pipes, fittings, flanges & valves are free issue itmes except studs & nuts (Hot dipped galvanized as per ASTM A 153 or Equivalent), gaskets ( metallic spiral wound 300#/150# rating) from Owner's and/ or Contractor's storage point to work site/ workshop as applicable, complete work of fabrication, erection, painting, testing of pipes, flanges and fittings, insulation joints and making ready for further Commissioning / Start-up of carbon steel piping of all sizes and ratings including supply of all consumables, equipment, manpower and other resources and execution of, but not limited to, the following works in accordance with relevant specifications & scope of work, drawings, specification as per site requirement and instructions of Engineer-in-charge and as per all provisions of the CONTRACT DOCUMENT. 2. Fabrication including cutting, edge preparation, inclusive of grinding the edges of pipes, fittings, flanges etc. to match with the matching edges of uneven/different thickness wherever required, welding, attachment of all pipe fittings like elbows, tees, reducers. Supply of nipples, couplings, caps, plugs, gasket, stud bolts, nuts, U Clamps etc. as required for completion of job. 3. 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 Gamma-ray (for sizes 2" and above ) , 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. 4. Fixing/ Installation of weldolets, sockolets, flanges, vent and drain point connection etc., including providing stub-in connections, fabricated fittings and reinforcement pads etc., as required. 5. Erection including prior cleaning, lifting, supports, overhead on racks, skids and at all elevations including installation and carrying out connected activities for all types of valves including supply and fixing of gaskets, studs/ bolts, nuts wherever required for all sizes, levelling, aligning, joining of flanges, blind flanges, connecting with equipment, nozzles, strainers, tie-in with existing piping/facilities, hook up with Steel / MDPE along with Transition fitting etc. tapping for inline instruments like pressure gauges, thermowells, sample connection, etc.

6. Preparation of final bill of material based on piping GADs and Preparation of isometric and fabrication drawings. 7. Carrying out Non-destructive testing as required. NDT for 2'' & above shall be paid as per separate itmes mentioned elsewhere in the SOR. 8. Surface preparation before application of primer by means of sand/Copper Slag blasting including supply of approved quality of sand, manpower, machineries, tools & tackles to achieve required roughness as per specification and as per instruction of Engineer-in-charge. 9. Painting of entire system (including aboveground all pipes fittings, flanges and accessories) as per specification tender specification i.e., 1 coat of inorganic zinc silicate coating @65-75 micron DFT/coat + 2 coats of Chlorinated Rubber Zinc Phosphate Primer @40 micron DFT/coat + 2 coats of chlorinated rubber finish paint @ 40 micron DFT/coat, total 225 micron DFT including supply of approved paints and primers, application of primer and paints, identification lettering/ numbering, colour coding, etc. as specified including rub down & touch up of shop primer or scrapping of shop primer wherever required by COMPANY and providing scaffolding for all heights etc 10. Cleaning and flushing by water/ compressed air, testing of the systems including hydrostatic, pneumatic and any other type of testing as specified, draining, drying by compressed air/other methods approved by COMPANY.

11. Precommissioning & making operational all piping system and equipments and provide all necessary assistance in term of supply of man-power, equipment, tools and tackles required amount of nitrogen for purging of entire terminal piping system including equipments etc. to the company during commissioning activities. 12. Clean-up and restoration of site, preparation of as built drawings, documents and project records; transportation of surplus free issue material to Owner's designated plac(s); completing all works in all respects as per the AFC drawing, specifications, standards and other provisions of Contract and instruction of Engineer-in-charge. 13. Completion of all such work in all respects as per scope of work and as per drawings, specifications and instructions of the COMPANY and keeping the system ready in all respects for further commissioning and start up. 14. Hook-up works including making provision for hooking up and carrying out shutdown activities at terminals if necessary. 15. Complete Carbon Steel Piping Work with painting including all fittings, Flanges and supply of all required gaskets, studs bolts & nuts etc. as described above as per Inch-dia.

Complete Carbon Steel Piping Work with painting and installation including all fittings, flanges and supply of all required gaskets, studs bolts & nuts etc. as described under item 1.0 above

ASTM A106, Gr. B (Charpy), Seamless, BE 4" NB

ASTM A106, Gr. B (Charpy), Seamless, BE 2" NB

ASTM A106, Gr. B, Seamless, PE 1.5" NB

ASTM A106, Gr. B, Seamless, PE 1" NB

ASTM A106, Gr. B, Seamless, PE ¾" NB

1) Pipe Specification and thickness may vary depending upon availability of pipe. No extra payment shall be made for this. 2) All butt welded fittings end shall generally match with connecting pipe wall thickness. However, in case of misalignment, Contractor shall have to do end preparation without any extra cost. 3) All coupling, nipples etc. as required shall be suplied by contractor but no separate payments shall be made as it is covered under erection rate. 4) NDT of Joints below 2" is to be included in above rate. However, payment of radiography of joints (2" and above) shall be paid seperately under SOR item for RADIOGRAPHY mentioned elsewhere in this SOR.

SUPPLY OF ASSORTED PIPE, FITTINGS AND FLANGES

Complete work of supply of pipes, fittings and flanges including all taxes, duties, transportation and inspection charges but not limited to, the following items in accordance with relevant specifications indicated in clause of SCC & scope of work indicated in SCC, drawings, specification and instructions of Engineer-in-charge and as per all provisions of the CONTRACT DOCUMENT.

Handling including lifting, transportation from Contractor Stores to CONTRACTOR's workshop for fabrication and/ or to work site for field fabrication and erection for all piping items supplied by Contractor.

CARBON STEEL PIPES

ASTM A106, Gr. B (Charpy), Seamless, BE (For 4" NB), S80

ASTM A106, Gr. B (Charpy), Seamless, BE (For 2" NB), XS

ASTM A106, Gr. B, Seamless, PE (For 1" NB) , XS

ASTM A106, Gr. B, Seamless, PE (For¾" NB), S160

FLANGES

Weld Neck (B-16.5, A105(Charpy), 125 AARH, RF) [End Thickness to match pipe thickness], (For 4"),300#

Weld Neck (B-16.5, A105(Charpy), 125 AARH, RF) [End Thickness to match pipe thickness], (For 2"),300#

Socket Welded (B-16.5, A105, 125 AARH, SW end to B16.11), (For ¾" ), 300#

Blind Flanges

Blind Flanges (B-16.5, A105 (Charpy), 125 AARH, RF), (For 4"), 300#

Blind Flanges (B-16.5, A105 (Charpy), 125 AARH, RF), (For 2"), 300#

Blind Flanges (B-16.5, A105, 125 AARH, RF), (For ¾" ), 300#

Spectacle Blind , 125 AARH, RF,300#/150#, 2 "

Spectacle Blind , 125 AARH, RF,300#/150# , 4''

ELBOW

90° Elbow (A234, Gr. WPB (Charpy), B-16.9, 1.5D), BW, (For 4", S80)

90° Elbow (A234, Gr. WPB (Charpy), B-16.9, 1.5D), BW, (For 2", XS)

45° Elbow (A234, Gr. WPB (Charpy), B-16.9, 1.5D), (For 4", S80)

45° Elbow (A234, Gr. WPB (Charpy), B-16.9, 1.5D), (For 2", XS)

Equal Tee (A234, Gr. WPB (Charpy), B-16.9), BW, Thickness match with pipe thickness ( For 4")

Equal Tee (A234, Gr. WPB (Charpy), B-16.9),BW ,Thickness match with pipe thickness ( For 2")

Unequal Tee (A234, Gr. WPB (Charpy), B-16.9), BW, Thickness match with pipe thickness) (For 4"x 2")

SOCKOLET

SOCKOLET (A105, MSS-SP, 6000#) ,4" x ¾" , ( Thk-S80 x S160)

SOCKOLET (A105, , MSS-SP, 6000#) , 2" x ¾", ( Thk-XS x S160)

BARRED TEE (As per Standard Specification and Data Sheets enclosed)

BARRED TEE (As per Standard Specification and Data Sheets enclosed) ,8" x 4"

BARRED TEE (As per Standard Specification and Data Sheets enclosed) ,6" x 4"

BARRED TEE (As per Standard Specification and Data Sheets enclosed) ,4" x 4"

INSULATING JOINTS (As per Standard Specification and Data Sheets enclosed)

INSULATING JOINTS (As per Standard Specification and Data Sheets enclosed) ,4" ,300#

INSULATING JOINTS (As per Standard Specification and Data Sheets enclosed) ,2" ,300#

Reducer (A 234 Gr. WPB (Charpy), BW)

Reducer (A 234 Gr. WPB (Charpy), BW), S80 x XS, ( For 4"x2")

Note: i) All butt welded fittings end shall generally match with connecting pipe wall thickness however in case of misalignment Contractor shall have to do end preparation without any extra cost.

ii) All coupling, nipples etc. as required shall be supplied by contractor but no separate payments shall be made as it is covered under erection rate.

Supply of Valves

Complete work of supply of valves including all taxes,duties,transportation and inspection charges but not limited to ,the following items in accordance with relevant Specifications & relevant Data Sheets indicated in scope of work indicated in SCC, drawings, specification and instructions of EIC and as perall provisions of the CONTRACT DOCUMENT.

Plug Valves

Butt Welded End (As per PMS & Datasheet), 2",300#

Supply of Ball Valves

4" Ball Valve, Butt Welded (BW) , Full bore (FB) , 300#

2" Ball Valve, Butt Welded (BW) , Full bore (FB) , 300#

3/4" Ball Valve, Butt Welded (BW) , Full bore (FB) , 300#

4" Ball Valve, Flange ended (FE) , Full bore (FB) , 300#

2" Ball Valve, Flange ended (FE) , Full bore (FB) , 300#

Note: i).Order for above items shall be placed only after approval from EIC. Refer data sheet & TS of Ball valves. ii). Quantities mentioned are tentative and may increase or decrease during execution of work depending upon site requirement. Contractor required to supply materials after assessing the site requirement and in multiple lot or as per Release Order/ Sub Purchase Order wise. All material either in multiple lot or as per Release Order/ Sub Purchase Order wise or as decided by EIC shall be supplied by bidder within the price.

ERECTION OF VALVES ( As per P & ID )

Handling including lifting and transportation from COMPANY's warehouse to CONTRACTOR'S Stores and/or work site and installation of all types of valves including assembly of valve accessories, (if any) by bolting, threading or welding, supply and insertion of gaskets, nuts & bolts, nipples, etc. at all elevations of pipe sleepers, supports or overhead on racks, equipments nozzle, skid & painting etc. supply of all consumables, manpower, equipment, etc. for completion of all works as per scope of work and as per drawings, specifications and instructions of Engineer-in-charge including servicing/ cleaning of valve wherever requried.

Flanged/ Welded Valves (Full Bore/ Reduced Bore)

Ball / Plug Valves,4",300#

Ball / Plug Valves,2",300#

Sockolet Welded Valve

(Ball / Plug / Valves),¾", 800#

RADIOGRAPHY

Performance of radiographic inspection by gamma radiation as per scope of work and as per specifications in piping of all types and thickness including providing/hiring of all necessary equipments, supply of all consumables, and whatever else even though not expressely mentioned but required to perform the work as per specifications and instructions of Engineer-in-Charge (full circle re-radiography of the repaired joint and additional radiography necessitated due to poor performance of contractor's welder shall be carried out by the Contractor at his own cost and shall not be paid extra by Company). Radiographs shall be submitted to the Engineer-in-Charge for acceptance, whose decision shall be final and binding.

Radiography by Gamma Rays,4"

Radiography by Gamma Rays,2"

FIELD INSTRUMENTS

Supply of Pressure Gauges inclusive of supply of erection accessories as per data sheet.

Installation, Calibration, Testing & Commissioning of Pressure Gauges inclusive of supply of necessary piping materials/tubings alongwith all necessary valves & fittings, fabrication and installation of impulse lines/manifolds & hydraulic testing as per standard

Supply of Miscellaneous items

Pipeline locator as per specification indicated in the tender

ERECTION OF SKIDS & OTHER EQUIPMENTS

Handling, including lifting, transportation from Company's stores to Contractor's work-shop for fabrication or/ and to worksite for field fabrication, assembly of parts/ sub-assemblies, erection for all Metering skids/DRS/MRS/Compressors, equipments supplied by company above ground/ underground at all elevation/ depth, fixing of foundation bolts, welding wherever required, aligning, grouting, hooking-up, cleaning and flushing by water draining, drying by compressed air, providing all mountings, ancilliary, enabling works as required and completing in all respect as per drawings, specification and instruction of Engineer-in-charge. Contractor's scope shall include supply of all material and accessories including but not limited to any fixtures, clamps, gasket, nut bolts, finish coat of painting including rub down & touch up of shop primer/ paint scrapping of shop primer/ paint and further their painting after application of primer as per specification, wherever required by Company. The Includes Shifting of DRS / MRS along with all accessories from Company's stores to the desired location including Loading, Unloading, Transportation and fixing by the fasteners on foundation with suitable capacity Hydra / Crane. Placing the DRS/ MRS on Foundation including aligning with Inlet / Outlet piping. Erection of all accessories of DRS / MRS such as Solar panels, Venting pipe, Junction box etc. Providing required Manpower during commissioning of DRS / MRS along with tools, tackles.

MRS ( steel inlet) /DRS Skids (with empty weight upto 2 Ton along with accessories such as solpar panel, Venting Pipe, Junction box etc- DRS/ MRS skids of all types

MRS ( steel inlet) /DRS Skids (with empty weight above 2 Ton & upto 6 TON i.e DRS of capacity ranging from 2500 SCMH to 10000 SCMH, DRS/ MRS skid of all types

NOTES- 1) Payment of above ground Piping fabrication works cover in above SOR items shall be paid under SOR item no. 18.0 (including its notes ) 2) The quantity mentioned against above SOR item are for multiple equipment having different weight and weight of each eqipment shall be maximum upto 10.0 MT. The each equipment shall be installed at different location within the GA.

FIRE FIGHTING (Portable Extinguishers)

Fire Fighting Equipment

Supply, installation and commissioning of the following fire fighting equipment:

75 kg capacity DCP type (trolley mounted)

10 kg capacity DCP fire extinguisher (trolley mounted)

4.5 kg capacity CO2 fire extinguisher (portable) as per IS:2878

6 Nos. Sand Buckets with stand & canopy

NOTE: 1) The quantities given above against individual items are indicative and shall not be considered to be binding. The quantities may be increased, decreased or deleted at site at the time of actual execution. Procurement shall be done as per actual site condition, approved construction drawings and as per instruction of Engineer-in-charge. The unit rate shall be operated to work out the final payment to the contractor.

2) In each area, quantities given against individual item may be utilise/ used for other consumer in same area.

3) The rates shall be applicable for all underground/ aboveground piping system and associated stations/ terminals.

Note: (i) Quantities mentioned against all above SOR items are estimated & tentative and may vary up to any extent as per site condition and/or as per instruction of EIC. (ii) If certain documents, drawings, datasheets, specifications etc. are not included in the bid, the same will be made available to the successfull bidder. While formulating the bid, rates are inclusive for such items based on the industry practices followed by the similar nature of industries. However procurement & installation of such items will be done as per site requirement after due approval of EIC. (iii) Installation of all underground/ aboveground piping system along with associated works mentioned in above SOR items are also to be utilized and carried out for various consumer connectivities/ extension of existing piping system … etc with in the Geographical Area (GA). (iv) In the above SOR items & scope of works, incase of any conflict in requirement among PJS, Technical Specification, tender documents, drawings, datasheets, latest relevant Codes & Standards, Statutory Regulation, requirement of the local authority, etc., the most stringent requirement shall govern, however decision of EIC in this regard shall be final and binding to the contractor.

CIVIL WORKS

EARTH WORK IN EXCAVATION/ SITE GRADING AND BACKFILLING

Earth work in excavation /site grading in all kinds of soil including soft rock in any plan dimension up to required depth including backfilling of excavated earth at any location in layers of 300mm and compacted up to 95% to its MDD at all heights and depths. Surplus and unserviceable earth shall be disposed up to any lead in all conditions. Soil to be levelled and neatly dressed complete in all respect as per scope of work, detailed construction drawings, technical specifications and direction of the Engineer-in-Charge.

Note:- 1. This Rate shall be applicable only for excavation which are not included as a part of respective SOR Item. 2.The Contractor shall take into account the provision for excess excavation required for necessary working space, cutting in slopes etc., which may be required for excavation and other allied works and refilling the side slopes and working space in layers as per requirement. 3.Rate to include cost of all labour, tools, tackles, equipment, hire charges, shoring, bailing and pumping out water as required etc. with all bye works and sundry works complete in all respects. 4.NET CUM of excavated quantity in CUM shall be measured for payment. 5. To be read in conjunction with Particular Job Specification.

BRICK WORK

Providing and laying brick work with brick class designation M-5.0 of IS:1077 in Cement Mortar 1:4 (1cement : 4 sand) in steps, load bearing structures, drains, or at any other location at all depths & height for all leads including providing required finishes, curing, scaffolding, etc., complete as per specifications and drawings with all bye-works as per direction of the Engineer-in-charge.

Note:- 1.Rate to include cost of all labour, tools, tackles, equipment, hire charges, supply of all materials such as minimum 43 grade cement (OPC), bricks, finishes, bitumen, other minor construction materials, shuttering, staging, masonry work, excavation, PCC M10, plastering with 15 mm thick cement plaster on exposed faces with 1:4 cement mortar( 1 cement : 4 Sand) , painting with bitumen etc. as per requirement with all bye-works and sundry works complete as per drawings. 2. To be read in conjunction with Particular Job Specification.

PLAIN CEMENT CONCRETE

Supplying and laying plain cement concrete of grade M 10 with stone aggregate 40mm down grade (including shuttering if required) in all types of concrete works including levelling courses below foundations, mass concrete works, chambers, cable trench, under floors and any other locations, at all levels and locations (which are not covered as part of composite items) as per drawings, specifications and directions of the Engineer-in-charge.

Note:- 1.Rate to include cost of all labour, tools, tackles, equipment, hire charges, supply of all materials, shuttering in all conditions etc. with all bye works and sundry works. 2. To be read in conjunction with Particular Job Specification.

REINFORCED CEMENT CONCRETE

Providing and laying Reinforced Cement Concrete of grade M-25 with 20mm and down grade crushed stone aggregate in all types of structures like foundations, beam, columns, pedestals, pedestal bases, pipe supports, sleepers, cable trench, RCC retaining wall foundation for boundary wall etc. including excavation, PCC M10 in mud mat, shuttering, construction joints, bitumen painting on surfaces in contact with soil,supplying and fixing MS inserts, finishes etc. at all depths and levels complete as per drawings, specifications and directions of the Engineer-in-charge.

Note:- 1.Rate to include cost of all labour, tools, tackles, equipment, hire charges, supply of all materials, shuttering in all conditions etc. with all bye works and sundry works. 2. To be read in conjunction with Particular Job Specification.

1. Rate to include cost of all labour, tools, tackles, equipment, hire charges, supply of all materials such as minimum 43 grade OPC cement including sulphate resistant cement for sub-structures, inserts, bolts, conduits, bitumen, excavation, PCC M-10 in mud mat, other minor construction materials, shuttering , staging, testing of concrete, curing etc. except reinforcement steel with all bye works and sundry works complete.

2. To be read in conjunction with Particular Job Specification.

REINFORCEMENT STEEL

Supplying and Fabricating and Fixing in position HYSD Steel Reinforcements/ TMT Grade Fe-415/Fe 500D conforming to IS1786-2008 at all levels and positions including the Cost of transportation, Straightening, Cutting, Bending, Cranking, Binding, Welding, Provision of necessary Chairs and Spacers, Preparation of bar bending schedule, getting the same approved by EIC etc., complete as per Drawings and Specifications and including Cost of binding wire, Labour etc., all complete in all respects as per scope of work, detailed construction drawings, technical specifications and direction of Engineer-in-charge. The Chairs and Spacer Bars provided will not be measured for payment.

Note:- 1.Rate to include cost of all labour, tools, tackles, equipment, hire charges, supply of all materials, shuttering in all conditions etc. with all bye works and sundry works. 2. To be read in conjunction with Particular Job Specification. 3. Rate to include cost of all labour, tools, tackles, equipment, hire charges, supply of all materials such as steel Reinforcement, binding wire and other minor construction materials, testing etc. all bye works and sundry works. 4.Chairs, Laps, Spacers, Wastage etc. shall be to contractor's account. 5.To be read in conjunction with Particular Job Specification.

CONCRETE PAVEMENT

Providing and laying reinforced cement concrete pavement 150 mm thick in M-25 grade with 20 mm and down grade crushed stone aggregate in pavement, including earthwork in excavation, preparation of base (i.e. compacted subgrade, 200 thk sand and 100 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 sand mix filler material 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 in Pavements in Process Areas (Type - I)

Note :- 1.Rate to include cost of all labour, tools, tackles, equipment, hire charges, supply of all materials, providing and fixing reinforcement steel, shuttering, earthwork in excavation and backfilling using serviceable earth in all conditions, preparation of base, etc. with all bye works and sundry works. Cost of works towards pipe supports & sleepers being raised from pavement is covered under respective RCC items. 2. To be read in conjunction with Particular Job Specification.

VALVE PIT Construction and handing over of RCC Valve Pit as per tender drawing, technical specification and direction of engineer-in-charge complete in all respect. Scope of work shall be as per tender drawing.

RCC Valve pit of internal Dimensions 2.1m x1.5m: Construction and handing over of RCC Valve pit with RCC cover including all civil works i.e. excavation, piping supports for pedestals with insert plates as required, clean up and restoration of site, filling and grading of area around valve station for avoiding any local flooding of area and as per Drawings , Technical specification and direction of engineer-in-charge complete in all respects.

RCC VALVE PIT - 2.0 m x 1.9 m with RCC cover: Must be able to support a maximum load of 25 tons, its design has to be such as to allow top side to be filled with the same material as the surface, roadway of pavement (concrete, asphalt, slabs etc.). as per Drawing attached.

RCC Valve pit of internal Dimensions 1.2m x1.5m: Construction and handing over of RCC Valve pit with RCC cover including all civil works i.e. excavation, piping supports for pedestals with insert plates as required, clean up and restoration of site, filling and grading of area around valve station for avoiding any local flooding of area and as per Drawings , Technical specification and direction of engineer-in-charge complete in all respects.

RCC Valve pit of internal Dimensions 1 m x1 m: Construction and handing over of RCC Valve pit with steel cover /RCC cover as directed by engineer In charge including all civil works i.e. excavation, piping supports for pedestals with insert plates as required, clean up and restoration of site, filling and grading of area around valve station for avoiding any local flooding of area and as per Drawings , Technical specification and direction of engineer-in-charge complete in all respects.

STEEL STRUCTURAL WORKS

Steel structure Fabrication

Supplying, Fabricating & Erecting in position steel structures including single/double leaf gate fabricated out of MS Girders, channels, Tees, angle, flats, plate, square hollow sections pipes etc. conforming to IS:2062 and/or from pipes conforming to IS:1161 for structural purpose for cascade supporting structure, loading/unloading platform, Gratings for platform, catladder,handrails, hoardings for sinages,Lcv stand, etc. of any size/dia for required design including cutting, welding, bolting, hoisting, fixing in position, including application of one coat of primer at shop and second coat of primer at site after erection and two coats of finishing paint at site .The work is to be completed in all respect as per specification ,scope of work, detailed construction drawings and directions of the Engineer-in-charge.

Note : [ Rate to include cost of all labour, nut, bolts, tools, tackles, hire charges royalties, levies, transportation, scrap value, gas cutting, welding, other consumables, paints, compressed air, water, electric power etc. all complete.]

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

Fencing height 1.5m

Notes: 1.The quantities indicated are estimated values and hence are approximate. Final payment will be made based on actual quantities to be certified by the Purchaser. 2.The cost of MS bolts (permanent and service), washers, electrodes, putty, gases, cost of straightening the raw materials, cutting of flats from plates and providing splices, paints, tools, plants, etc., as required for the work are included in the rates. 3.All handling and transport charges of raw materials and fabricated structures including double handling, as required, for completion of work in accordance with 4.Time schedule, are inclusive in the rates 5.All accessories like MS tower bolts, MS Pivot, MS Wheels, MS Tee section, locking arrangement etc. shall be measured by weight only. 6.Contractor shall ensure proper alignment and smooth operation of Gate

SUPPLY OF NITROGEN: Supply and assistance in Purging nitrogen for Existing U/G pipline system

Purging of Nitrogen for existing underground pipeline network to the specified acceptance criteria before carrying out shutdown/hotwork, providing assistance during the complete duration of shutdown/hotwork operations for entire pipeline network system including supply of all equipment, man-power, consumables (including pigs & nitrogen required for purging/filling ) materials for all temporary works and performing all associated works, complete as per the relevant specifications, other provisions of Contract document and instructions of Engineer-in-charge.

Supply of Transition Fittings

PE to CS of size 125DN x 4 inch

PE to CS of size 63DN x 2 inch

Supply of GI sleeve of medium grade as per instruction of the Engineer-In-Charge

GI Sleeve - 4'' NB as per IS 1239

GI Sleeve - 8'' NB as per IS 1239

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