BALANCE HDD CROSSINGS (ST-01)

METALLIC MATERIALS AND CORROSION

Magnetic Cleaning and Electronic Geometry Pigging

Mobilisation/ Demobilisation of pigging tools, tackles, consumables, accessories and personnel by Contractor at work site including but not limited to magnet pigs, electronic geometry pigs and pig tracking device, temporary launcher and receiver as per Specification and other provision of the bid document including supply of material, equipment, manpower, etc. as required for geometry inspection and magnet cleaning in accordance with the EIL Specification B411-000-19-42-EGP-0013: A) Mobilisation B) Demobilisation NOTE: Lumpsum charge is applicable for Mobilization and Demobilization charge only, and not for the entire Magnetic Cleaning and EGP charge.

Magnetic Cleaning: Running of adequate no. of Magnet Pigs for pipeline including pig tracking for each segment, preparation of site report as per Specification and provisions of the bid document.

Electronic Geometry Pigging: Running of adequate no. of Electronic Geometry Pig (Caliper) including pig tracking for each segment, preparation of site report on pipeline, data analysis at Contractors facility as per Specification and provisions of the bid document.

Defect Verification: Defect verification at a max. of 3 locations for each segment inspected including supply of all tools, tackles, instruments, personnel and their transportation, all earth work, repair of pipeline coating wherever exposed, backfilling, work complete in all respect as per direction of engineer-in-charge. NOTE: Unit EACH signifies each segment of the pipeline.

Final Report: Preparation of final work report as per agreed format and submission to Client / Client's Consultant in total of 4 copies.

CP System for HDD portions of the pipeline:

Survey, design, engineering, supply, installation, testing and commissioning of cathodic protection system to protect the external surface of the each HDD section of pipeline as per the enclosed specification. All work shall be carried out conforming to the scope of work, design basis, data sheets, specifications, standards, drawings, etc as per the provisions of GCC, SCC including specification no. 6-45-0027 , 6-45-0029 and all materials, equipment, consumables, start-up/ commissioning spares etc. which include transportation, storage of materials at site, manpower, in line with direction of Engineer-in -charge.

Supply of Permanently lubricated HDPE conduit for following sizes in required length of pressure rating 6 kgf/cm2 to be laid in pipeline trench or in separate trench directly or inside CS conduit including FAT, storage, transportation to site, loading, unloading etc. all complete

Duct with nominal diameter 40 mm or less

Laying, Testing and commissioning of the following sizes of HDPE duct/pipe of pressure rating 6 kgf/cm2, including supply of clamps, small iron structures, spacers, and duct accessories like push-fit couplers, bends and elbows, end plugs, simple plugs, sonic heads, etc, and including small civil works, cleaning with compressed air, calibrating, testing for air tightness, sealing of ends, Site acceptance test of the laid HDPE duct/pipe all complete as per the specification, including all labour and materials, as per directions of the Engineer-in-Charge.

Duct with nominal diameter 40 mm or less

PIPELINES

INSTALLATION OF PIPELINE BY TRENCHLESS TECHNIQUE (USING HORIZONTAL DIRECTIONAL DRILLING) HDD/SHDD

Complete work for all type of crossings (RIVER/CANAL/ DRAIN/ NALA/ ROAD/ RAILWAY/ UTILITY) (between the limits as indicated in the drawing/ Scope of work) in all types of soil/ strata (including Normal Strata/ Hard Strata/ Hard Rock, as defined subsequently) including all additional drilled lengths necessitated by Contractor's design and based on site conditions, carrying out geo-technical investigation, carrying out topographical and hydrological survey and collection of data to establish the bed of the water body (for River/ Unlined waterbody); calculation of scour depth of water body crossings (for River/ Unlined Waterbody), including construction design calculation and engineering of the crossing for all types of crossings, "Receiving and taking-over", handling, loading, transportation and unloading of externally corrosion coated/ bare line pipes (as applicable) from designated place(s) of issue/ dump site(s) to Contractor's own stock-yard(s)/ work site; mobilization and de- mobilization at site(s), supply of all materials as per "Scope of Supply" all consumables, equipment, manpower, other resources, temporary acquisition of additional land as required for string preparations/ all other works, and execution of, but not limited to, the following works in accordance with specifications, drawings; preparation of all necessary construction drawings for Owner's approval, Preparation of detailed construction method statement, calculations and installation procedures, Strings preparation including welding, NDT of welds and re-beveled areas, radiography, weld repair and re-test, pre-hydro testing of completed string, corrosion coating of field joints with HDD sleeves, inspection of corrosion coating and repair of defects, installation of pipeline string by Horizontal directional drilling, Supply & Installation of 168.3mm size, 6.4 mm thk., API 5L Gr. B/ IS 3589 Fe 410 CS conduit for OFC (including 500µm of epoxy coating on CS Conduit as required) below the lowest level of the crossing including cover by separate horizontal directional drilling to the correct profile as per approved drawings and specification, Post-installation hydrotest including leaks and repair of defects and retesting, etc. for defects attributed to Contractor's faulty work, safe disposal of corrosion Inhibited water and bentonite, Supply, fabrication and construction of protective fencing as required; supply, fabrication and erection of pipeline markers; Restoration and clean-up etc., Preparation of as-built drawings and other records etc. All other works not specifically listed herein, but required as per drawings, scope of work, specifications, standards and provision of contract document, calculations, and instruction of Engineer-in- Charge, leading to successful completion of works. Notes: 1. Length of HDD shall be measured as actual curvilinear length between tie-ins at entry and exit. 2. Payment shall be made on pro rata basis for any Increase/ decrease in HDD length.

Scope of Work Installation of Pipeline (Line Pipe Free issue from Owner) Pipe Material Grade API 5L Gr. X-70 PSL 2 Pipe OD 610 mm Pipe Wall Thickness 12.7 mm Type of Crossing: Road Crossing / Pipe/Box culvert in all type of soil strata.(Hard Rock,soft rock, Murrum,soft soil etc.) Chainage of Crossing 117.957 km

Scope of Work Installation of Pipeline (Line Pipe Free issue from Owner) Pipe Material Grade API 5L Gr. X-70 PSL 2 Pipe OD 610 mm Pipe Wall Thickness 12.7 mm Type of Crossing Road/Canal/Box culvert/Humepipe/Waterline/etc in all type of soil strata.(Hard Rock,soft rock, Murrum,soft soil etc.) Chainage of Crossing 119.602 km

Scope of Work Installation of Pipeline (Line Pipe Free issue from Owner) Pipe Material Grade API 5L Gr. X-70 PSL 2 Pipe OD 610 mm Pipe Wall Thickness 12.7 mm Type of Crossing: Road/Canal/Box culvert in all type of soil strata.(Hard Rock,soft rock, Murrum,soft soil etc.) Chainage of Crossing 122.883 km

Scope of Work Installation of Pipeline (Line Pipe Free issue from Owner) Pipe Material Grade API 5L Gr. X-70 PSL 2 Pipe OD 610 mm Pipe Wall Thickness 12.7 mm Type of Crossing: Varattar River / Road/Exitsing IOC Valve Pit in all type of soil strata.(Hard Rock,soft rock, Murrum,soft soil etc.) Chainage of Crossing 136.757 & 136.973 km

HDD Hookups (New Item)

TIE-IN(S)/ HOOK-UP(S) BETWEEN HDD SECTIONS & THEIR UPSTREAM & DOWNSTREAM PIPELINE SECTIONS (HDD SECTIONS & THEIR UPSTREAM & DOWNSTREAM PIPELINE SECTIONS INSTALLED BY OTHERS) All works required to successfully complete Tie-in(s)/ Hook-up(s) between HDD sections & pipeline sections upstream & downstream of the HDD section (HDD section & it’s upstream & downstream pipeline sections already installed at site by others) including "Receiving and taking-over", safe handling, loading, transportation and unloading of Owner supplied Free Issue Materials (as applicable for the purpose of carrying out hook-ups) from designated place(s) of issue/ dump site(s) to Contractor's own stock-yard(s) including stringing the pipeline in Standard Right-of-Use (ROU) / Right of Way (ROW), Arrangement of all additional land required for Contractor's storage, fabrication, access for construction (other than Owner provided ROU); supply of all materials (except Owner supplied materials, as applicable), consumables, equipment, labour, etc; Staking and installation of construction markers, clearing, grubbing, grading (as required) of Standard Right-of-Use (ROU) / Right of Way (ROW); Cutting Trees, if required; Counting the number and type of trees cut in presence of DFO/ concerned authorities and keeping record thereof; Trenching to all depths and to a width to accommodate the pipeline with/ without optical fiber cable/cable conduit as specified in Scope Document by excavation in all types of soil/ strata & terrain(s), including additional trenching for seismic and other areas as specified, blasting, chiseling or otherwise cutting etc.; Providing Warning Devices (Mat/ Tape or Mesh), as required; Providing trench padding as required with sand/ graded earth approved by Engineer-in-Charge; Carrying out repairs of pipe and coating defects not attributable to Owner; Thorough internal cleaning of all pipes by suitable methods to remove debris, shots, grits etc.; Stringing of line pipes along Standard ROU/ ROW including providing straw bags, soft padding/sand padding; Aligning, bending (bends for hook-ups can be cold field bends or induction bends as required based on site conditions & instructions of the Engineer-in-Charge), cutting and beveling (as required) of pipes for welding and field adjustments for tie-in(s)/ hook-up(s), NDT of re-beveled area, welding, carrying out destructive & non- destructive testing of welds (as required) as per approved NDT specifications (including radiography) and providing all the requisite equipment, labour, supervision, materials, films, consumables etc.; carrying out repairs of weld joints as required, carrying out re-radiography and other non-destructive tests on repaired joints, etc.; including evacuation, safe disposal of corrosion inhibitor mixed water (if present) inside the HDD sections and upstream & downstream sections of the HDD section installed by others including complete drying & swabbing of the sections before start of welding of any kind; including coating of all field weld joints, long radius bends etc.(as applicable); adhering to all safety norms implied by the ROU/ ROW authority (as applicable), providing required padding over and around the pipeline with sand/ graded material approved by Engineer-In-Charge (in rocky areas), post-padding with M-sand (M-sand to be supplied by NHAI / Other agency) as required, backfilling with available approved excavated material and/or other suitable soil approved by Engineer-In-Charge providing required padding over and around the pipeline with sand/graded material approved by Engineer-In-Charge (in rocky areas), backfilling with available approved excavated material and/ or other suitable soil approved by Engineer-In-Charge; including all tie-in(s) with the pipeline/ piping installed by others including cutting of test header, re- beveling as required; Carrying out all temporary, ancillary, auxiliary works and all incidental works required to make the pipeline ready for pre-commissioning; Repair of defects recorded during EGP/ gauge plate run or otherwise including cutting, beveling, welding, NDT (including Radiography/ X-Ray check shots, as applicable), field joint coating etc. as applicable; including laying of minimum 12 meters length straight line pipe with a cover of minimum 1.8 meters inside pipeline trench after the HDD hook-ups on both sides of the HDD section in case the upstream & downstream pipeline sections have not been installed by the Pipeline laying contractor; including all material, transport, manpower, tools, tackles, NDT equipment etc. required for carrying out golden joints if required as per site conditions & instructions of Engineer-in-charge; Final clean-up and restoration of right of use/ right of way including obtaining work permits/ NOC from respective statutory authorities as required and disposal of debris and returning all surplus material to designated disposal areas designated by NHAI/ Company storage yard, as directed by Engineer-In-Charge; Restoration of land, facilities and boundary wall etc. at associated facilities dismantled/damaged by the Contractor during construction; Obtaining work permits/ NOC from various statutory authorities having jurisdiction and complying with all stipulation/conditions/recommendation of the said authorities; Preparation of As-Built drawings, pipe-book and other records. SOR shall be read in conjunction with drawings, scope of work, specifications, standards and other provisions of contract document.

Removal of existing linepipe( already laid)- New Item

Removal of existing laid linepipe of material Grade API 5L Gr. X-70 PSL 2 Pipe OD 610 mm,Pipe Wall Thickness 10.3mm to 15.5 mm by other agency, wherever required, to facilitate HDD works and hook-up/tie-in activities, including Excavation, Shifting of Excavated earth to NHAI designated location including transportation, return of the earth for backfilling after removal of pipe, Backfilling upto the adjacent Road/ground level including supply of additional earth as required, Pipe cutting, removal from Trench, handling, re-bevelling, lamination check by Ultrasonic testing as required, repair of coating damages if any during the removal operation, field joint coating (including supply of materials), Stencilling/Marking the Pipe Number, Heat Number, Coat Number as per the directions of Engineer Incharge in co-ordination with other agencies, shifting and transportation of removed pipes to designated location as directed by Engineer-in-Charge (including Sankari Yard, Salem), reuse of removed pipes for open-cut laying as far as practicable, and all consumables, manpower, tools, tackles, machinery and incidental works complete as per drawings, specifications and directions of Engineer-in-Charge.Restoration of all the utilities damaged if any during this work shall be contractor scope, no separate payment shall be done for the same.

ROCK SHIELDING IN ROCKY AREAS

All works for Supply and installation of Rock Shield mesh around pipeline in rocky areas as per scope of work, provisions of Contract document and as per instructions of Engineer-in-charge

Pipe OD 610 mm- 10 mm thickness

LEAKS/ BURSTS (ATTRIBUTABLE TO OWNER)

Repair of Leaks/ Bursts in Pipeline All works for locating any major leak/burst (occurred during hydrostatic testing) or any minor leak by sectionalizing or any other methods which cannot be located by visual means, including necessary repairing/ replacing defective pipe length, including cutting and removing out defective pipes, transportation, pretesting of replacement pipe and welding into mainline, NDT of welds and re-beveled area, repair and re-testing of defective welds, coating/ painting of welded joints, clean-up, retesting the pipeline/ pipe segment including providing all necessary equipment, labour, materials, consumables and inputs other than Owner supplied materials and performing all works as per drawings, scope of work, specifications, standards enclosed with the Contract and directions of Engineer-in-Charge. Note: 1. This rate is applicable for manufacturing defects in Company/ Owner supplied material only.

Type of Leak Major Leak (detected by visual method) Pipe OD 610 mm

PRE-COMMISSIONING AND COMMISSIONING ASSISTANCE FOR PIPELINES

Carrying out pre-commissioning activities and pre-commissioning checks to the specified acceptance criteria, making the entire pipeline system including stations ready for commissioning, providing assistance during the complete duration of commissioning operations, supply of all equipment, man-power, consumables, including all type of pigs and required quantity of nitrogen (if & as required), materials for all temporary works and performing all associated works, complete as per the relevant specifications, scope of work, standards, other provisions of Contract document and instructions of Engineer-in-Charge

Pre-Commissioning Works as per details: Type of Activity Dewatering Pipe OD 610 mm

Pre-Commissioning Works as per details: Type of Activity Swabbing Pipe OD 610 mm

VIDEO FILM & PHOTOGRAPHY OF CONSTRUCTION ACTIVITIES

Preparation of high resolution video films using drones or equivalent equipment as required (for minim 1 hr.) with audio commentary and Industrial photography covering all aspects/activities of pipeline construction annotated as required, conversion of same to video DVD/ Blue Ray/ USB Drive format, submitting three (3) sets of the same as per details in scope of work document.

HDD AT ANY OTHER LOCATION (AS PER DIRECTIONS OF ENGINEER-IN-CHARGE) Complete work for all type of crossings at multiple location other than listed HDDs (between the limits as established at Site) in all types of soil/ strata (including Normal Strata/ Hard Strata/ Hard Rock, as defined subsequently) including all additional drilled lengths necessitated by Contractor's design and based on site conditions, carrying out geo-technical investigation, carrying out topographical and hydrological survey and collection of data to establish the bed of the crossing (as applicable); calculation of scour depth of water body crossings (as applicable), including construction design calculation and engineering of the crossing for all types of crossings, "Receiving and taking-over", handling, loading, transportation and unloading of externally corrosion coated/ bare line pipes (as applicable) from designated place(s) of issue/ dump site(s) to Contractor's own stock-yard(s)/ work site; mobilization and de- mobilization at site(s), supply of all materials as per "Scope of Supply" all consumables, equipment, manpower, other resources, temporary acquisition of additional land as required for string preparations/ all other works, and execution of, but not limited to, the following works in accordance with specifications, drawings; preparation of all necessary construction drawings for Owner's approval, Preparation of detailed construction method statement, calculations and installation procedures, Strings preparation including welding, NDT of welds and re-beveled areas, radiography, weld repair and re-test, pre-hydro testing of completed string, corrosion coating of field joints with HDD sleeves, inspection of corrosion coating and repair of defects, installation of pipeline string by Horizontal directional drilling, Supply & Installation of 168.3mm size, 6.4 mm thk., API 5L Gr. B/ IS 3589 Fe 410 CS conduit for OFC (including 500µm of epoxy coating on CS Conduit as required) below the lowest level of the crossing including cover by separate horizontal directional drilling to the correct profile as per approved drawings and specification, Post-installation hydrotest including leaks and repair of defects and retesting, etc. for defects attributed to Contractor's faulty work, safe disposal of corrosion Inhibited water and bentonite, Supply, fabrication and construction of protective fencing as required; supply, fabrication and erection of pipeline markers; Final clean-up and restoration of right of use/ right of way including obtaining work permits/ NOC from respective statutory authorities as required and disposal of debris and returning all surplus material to designated disposal areas designated by NHAI/ Company storage yard, as directed by Engineer-In-Charge; Restoration of land, facilities and boundary wall etc. at associated facilities dismantled/damaged by the Contractor during construction; Obtaining work permits/ NOC from various statutory authorities having jurisdiction and complying with all stipulation/conditions/recommendation of the said authorities; Preparation of as-built drawings and other records etc. All other works not specifically listed herein, but required as per drawings, scope of work, specifications, standards and provision of contract document, calculations, and instruction of Engineer-in- Charge, leading to successful completion of works. NOTES: 1. Length of HDD shall be measured as actual curvilinear length between tie-ins at entry and exit. Length of HDD shall be kept as minimum. 2. Individual length of HDD can go up to a maximum length of 500m. 3. Rate against this item shall not exceed rates quoted against SOR item no. 01PP.1.1 & its sub-items.

Scope of Work Installation of Pipeline (Line Pipe Free issue from Owner) Pipe Material Grade API 5L Gr. X-70 PSL 2 Pipe OD (mm) 610 Type of Soil/ Strata All type of Soil /Hard Rock Wall Thickness (Pipe) 12.7 mm

GST RATE EXTRA APPLICABLE ON ABOVE TOTAL AMOUNT

Please Enable Macros to View BoQ information