Indian Oil Adani Gas Private Limited Tender

ROU - Clearing, Grubbing, Grading & Raking up of all kind of surface of any type including plants (excluding forest plants & trees which shall be under DFO/ Concerned Authority Instructions), shrubs, metal, concrete, bituminous, tiled, brick lined, soft rock etc. All tiles/ slabs/ curb stones etc. removed during excavation shall be placed properly. Any type of rake up surface to be restored to its original position.

TRENCHING - Trenching to all depths by excavation in all types of terrain/ strata including soft/ hard laterite and various type of pavement/ footpath/ roads etc. including rock breaking, chiselling or otherwise cutting, excavation etc. as required and storing excavated soil, reusable materials at designated area as directed by Engineer in charge & as per the relevant standard/ specification etc. The minimum depth of the trench for laying of Steel pipeline shall be 1.5 - 2 Mtrs. (as directed by Authority/E-I-C) measured from lowest available datum level adjacent to the trench or the periphery of the pipeline route. The depth may increase accordingly at places as per site condition or as per SCC/ OISD-141/ OISD- 226, PNGRB T4S, ASME Codes etc. whichever is higher. Clearing the bottom of trench by removing boulder, pebbles, etc. Undertaking proper safety measures, installing side plates/bracing etc. for protection of trench sides from collapsing. Dewatering of trenches to be done properly and no extra soil to be left over on roads/site. Excavation required for preparation of Tie-In Pits is covered in this item. No extra/separate claims/payments under any clause/condition shall be made.

WELDING & NDT – Checking, cleaning, aligning, bending, cutting and bevelling (if 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 for Mainline welding & Gamma-Ray for Tie-In Joints of lowered section (in trench) only 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. 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.

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

LOWERING & BACKFILLING - Installation/ lowering the pipeline in trench to required depth, supply and placement of PE warning mat Anti-Rodent type as per approved specifications over the pipeline along the complete route, padding around pipeline with suitable approved soil including supply of padding material, backfilling with available & borrowed earth (if required), approved excavated material and/or other suitable soil by crowning. Supply and installation of slope breakers, wherever required or, as directed by Owner, Engineer–in–charge. Supply and installation of bank protection along with backfill materials 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. Supplying and filling coarse sand under floors, in foundations, floor, trenches, plinth etc. including cost-of sand, royalty, transportation, loading, unloading, spreading in layers not exceeding 20 cm., watering, ramming, compacting, dressing and levelling etc. complete in all respects inclusive of cost of all labour, materials, tools, tackles etc. as per drawings, specifications and direction of E-I-C.

RESTORATION - Supply and installation of construction markers (RCC Markers - to be installed at a distance of 50 mtr throughout the pipeline, Warning Marker- to be installed at a distance of 150 mtr throughout the pipeline), clearing, fencing, grubbing, cutting of trees, full filling all the requirements of various statutory/ environment authorities to the entire satisfaction of concerned authorities, grading of work area. Shifting of all obstruction within the ROU/ Pipeline route alignment viz. electrical lines/ poles, telephone line/ poles, etc. coordination with concerned authorities and obtain permissions from these authorities. Final clean- up of right-of-use or area disturbed by contractor during their construction activities for laying of pipeline works and disposal of debris and surplus material to designated disposal areas and backfilling of trench and compaction of the same as per satisfaction of Owner and / Or as directed by Engineer I/C. Restoration after completion of laying/crossing as per the direction of Statutory authority / Client / PMC and obtaining NOC.

TESTING - Carrying out air cleaning, pigging, flushing, cleaning and hydrostatic testing of complete pipeline with required quantity of corrosion inhibiters, if necessary as per specification and approved by Engineer I/C 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 etc. as required and approved by Engineer I/C. Locating of leaks and rectification of defects attributable to Contractor (rectification of defects in line pipe 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 hydro testing of entire section and as approved by Engineer-in-charge.

Carrying out GIS Data Collection & Entry for each Pipeline Assets / Cut Points / Jointers (Latitude / Longitude) With attributes as per satisfaction of Owner and / Or as directed by Engineer I/C. Submission of Data in the GIs format of. Shp,. Kml. Accuracy of the collection of assets / Cut points/ Joints to be in accuracy to be maintained 30cm -60cm.

AS-BUILT - Preparation of as-built drawings, pipe-books (3 hard copies of pipebook including as built drawings and 2 soft copies) All the works shall be executed in accordance with the provision of contract including carrying out all temporary/ ancillary/ auxiliary works required for the performance of the works and all other acts, deeds, matters and things necessary to make the pipeline ready for pre-commissioning activities.

Stretch:- Chittari To Uduma BSNL

8"x 6.4mm Wall Thck X-42 Pipeline Laying (1.5 m Pipe Top Cover)

Note :-Pipe free issue by Client

Laying Works: In Rocky Strata: (Provided Strata Profile approved by GA Head) If any hard rock strata/ large boulder is encountered during excavation exceeding hard rock thickness of 300 MM and continuous length of minimum 1000 MM and removable only by chisel/ pneumatic chisel/ jack hammer as per the specification and direction of EIC. Additional depth to be maintained to accommodate sand/ soft soil bedding & padding. Decision of Hard rock breaking & excavation shall be taken if other options are not available. If the rock is encountered at a depth where minimum cover as per PNGRB can be maintained with approved less cover protection, rock excavation to be avoided. In above item, backfilling of pipeline trench by borrowed select soil duly approved by Owner/ EIC in included in this item. Supply of specified and approved quality fine sand free from any impurities like clay, mica and soft flaky pieces as per instruction of EIC, borrowed foreign 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 transportation of such special backfill material over all distances. No separate payment for rock excavation/ breaking/ sand bedding/ padding /Rock sheild etc shall be made. Contractor to take due care while quoting for pipeline laying in rocky terrain.

8"x 6.4mm Wall Thck X-42 Pipeline Laying (1.5 m Pipe Top Cover)

Note :-Pipe free issue by Client

INSTALLATION OF CARRIER PIPE BY HDD METHOD - Major crossing (RIVER)

Survey: Conducting Hydrographic survey inorder for assessing Bathymetry,Mapping channel morphology including river bed composition, soil liquification for analyzing scour depth including bore hole inorder for specifying the depth through which the pipelines can be laid. Conducting contour grid survey , 5m on either side of the pipeline to be laid , for mapping shape and elevation of river bed shall be in contractor scope.

Pre-Construction survey based on site visit, collection of data (if required) from concerned Authority including design and detail engineering and making of crossing/ laying along route drawings for getting their approval from concerned Authority/ Engineer-in-Charge, getting work permit/ NOC for crossings as well as utility crossings (if any) encountered during crossings prior to start of the execution of work. Additional land required for placement of HDD equipments and/ or string preparation shall be in Contractors scope.

DRILLING - Drilling to required depth including maintenance/ restoration of drill hole in all types of soils/ murram/ mixed strata,hard rock all depth to accommodate the pipeline at all conditions encountered during crossing/ laying along route by approved HDD methods procedure for providing minimum cover specified in code/ specification/ PNGRB regulations or as decided by concerned authority, whichever is more. Note : Only final Tie in to Tie in length will be considered as approved length. Same shall be considered for billing quantity.

TESTING - Carrying out air cleaning, pigging, flushing, cleaning and hydrostatic testing of complete pipeline with required quantity of corrosion inhibiters, if necessary as per specification and approved by Engineer I/C 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 etc. as required and approved by Engineer I/C. Locating of leaks and rectification of defects attributable to Contractor (rectification of defects in line pipe 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 hydro testing of entire section and as approved by Engineer-in-charge.

RESTORATION - Backfilling of the ditch/ trench including restoration and clean-up of area and all other works including cleaning, gauging and final hydro testing etc. along with mainline works required as per specification, approved drawings, calculations, methods and to the satisfaction of Engineer I/C and/or as directed by concerned Authority.

Carrying out GIS Data Collection & Entry for each Pipeline Assets / Cut Points / Jointers (Latitude / Longitude) With attributes as per satisfaction of Owner and / Or as directed by Engineer I/C. Submission of Data in the GIs format of. Shp,. Kml. Accuracy of the collection of assets / Cut points/ Joints to be in accuracy to be maintained 30cm -60cm.

AS-BUILT - Preparation of as-built drawings, pipe-books (3 hard copies of pipebook including as built drawings and 2 soft copies) All the works shall be executed in accordance with the provision of contract including carrying out all temporary/ ancillary/ auxiliary works required for the performance of the works and all other acts, deeds, matters and things necessary to make the pipeline ready for pre-commissioning activities.

CHANDRAGIRI RIVER

8" NB Uncased crossing by HDD R(River crossing)

CHITARI RIVER

8" NB Uncased crossing by HDD R(River crossing)

BEKAL RIVER

8" NB Uncased crossing by HDD R(River crossing)

PRE-COMMISSIONING AND ASSISTANCE IN COMMISSIONING OF PIPELINE SYSTEM

Swabbing, drying, purging with nitrogen of the complete pipeline network and the associated facilities being installed to the specified acceptance criteria, carrying out pre-commissioning works, providing assistance during the complete duration of commissioning operations for entire pipeline network system including supply of all equipment, man-power, consumables (including pigs & nitrogen required for purging with maintaining nitrogen column of minimum 10% of pipeline geometric volume) 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.

8" NB/ 6.4 MM (0.252")/ API 5L GR. B (ERW)

TEMPORARY CATHODIC PROTECTION

Design, detailed engineering, supply, installation, testing and commissioning of the temporary Cathodic protection system using Mg/ Zn galvanic anodes to protect the external surface of 3 LPE coated entire length steel pipeline network against corrosion for design life of minimum 2 years or till commissioning of PCP system whichever is later as per standard specification for temporary cathodic protection system. Scope shall also include but not limited to the following for completion of jobs:

Measurement of soil resistivity along the right of way of the main pipeline route as per specification for design & installation of anodes. Collection of additional data related to cathodic protection along the right of way of pipeline as per specifications.

Supply, installation, testing & commissioning of one set of spark gap arrestor with 2 plate Zinc grounding cell of 20 kg net weight each across each insulating joint as per specification. Supply & installation of Zinc Ribbon Anodes at 4-8 O'clock position in the interval of 2 metre (max.) on carrier pipes at all cased crossings i.e. railways/ roads etc.

Supply, installation, testing & commissioning one set of polarisation cell with zinc anode at all high tension (66KV or higher) electrical power transmission line/Equipment crossing or running parallel to the pipeline for grounding purpose as per specification. The rating shall depend upon anticipated fault current & ground bed resistance at the location of installation. However, the rating of polarisation cell (krick) shall not be less than 5 KA & number of 20 kg net weight zinc anode shall not be less than two.

Monitoring of the protection system till commissioning of pipeline or till final handover, whichever is earliest..

All civil/ structural works related to TCP system including supply of bricks, cement & steel etc. required for completion of the system.

The quantities mentioned above are tentative and quantities for above including supply items shall be finalised & procured by Contractor only after due approval of EIC. Contractor supplied any surplus item during reconciliation shall not be accepted / taken by the Owner.

For all the supply items mentioned above, procurement shall be made as per specification & Data Sheets, after due approval of Engineer-incharge.

8"x 6.4mm Wall Thck X-42 Pipeline Laying (1.5 m Pipe Top Cover)

S&I of Neoprene / HDPE Sheet of Suitable Width as per drawings, specifications of E-I-C. (Thickness 6 mm)

EARTH WORK IN EXCAVATION/ SITE GRADING AND BACKFILLING :- Earth work in excavation,site grading and backfilling in all kinds of soil including soft rock in any plan dimension up to 3.0M depth including disposal of excavated surplus and unserviceable earth up to any lead in all conditions. Soil to be leveled and neatly dressed complete in all respect as per scope of work, detailed construction drawings, as per technical specifications and directions of the Engineer-in-charge.

PLAIN CEMENT CONCRETE (Supplying and laying plain cement concrete of grade M 20 with stone aggregate 20mm down grade (including shuttering if required) in all types of concrete works including levelling courses below foundations, columns, pedestals, pedestal bases, pipe supports,floors, chambers, cable trench, under floors and any other locations (which are not covered as part of composite items) , at all levels and locations as per drawings, specifications and directions of the Engineer I/C. 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.)

REINFORCED CEMENT CONCRETE IN SUB STRUCTURE WORKS (Providing and laying RCC (reinforced cement concrete) of grade M-25 with 20mm and down grade crushed stone aggregate in all types of sub-structures like Beams, foundations, walls, columns, pedestals, pedestal bases, pipe supports, sleepers, cable trench, RCC retaining wall foundation for boundary wall including construction joints, bitumen painting on surfaces in contact with soil, shuttering, supplying and fixing MS inserts, finishes etc. at all depths and levels complete as per drawings, specifications and directions of the Engineer I/C.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 works and sundry works complete).

Supplying and providing reinforcement (for reinforced cement concrete works) Thermo-mechanically treated Fe-415 bars conforming to IS:1786 including initial straightening of coiled/uncoiled bars, removal of loose rust, cutting, bending to correct size & shape, binding with 18 gauge G.I. wire at each intersection and placing at any position, at any height and depth complete in all respects inclusive of cost of all labour, materials, tools, tackles etc. as per drawings, specifications and direction of Engineer I/C.

CEMENT CONCRETE BLOCK WORK:- Providing and laying cement blocks (solid blocks) masonry Grade M-7.5 with 200 mm thick blocks upto plinth level and super structure in cement mortar 1:4 (1 cement : 4 coarse sand ).

Breaking of Bituminous Road / Tar Road

Breaking of RCC with Electrical / Pneumatic / Hydraulic Breaker Machine.

Liasioning Cost (if required) with various government / Semi government / Private land owner after receiving Principle permissions from IOAGPL

RESTORATION

Road/Surface restoration works shall be executed as per the specification of concerned authority and their directions. Specification provided below for restoration of Chipping Carpet road and BM&BC road are indicative only. Authority norms and directions shall be final and to ensured (in case of deviation between specification provided below and authority norms, authority norms shall be final). Contractor shall obtain NOC from respective authority after work completion. No separate payment shall be made for sub activities under each type of restoration item

Chipping Carpet Road Restoration: Excavation – 1100mm thick (1.10m3); Sand Filling – 650mm thick (0.65m3); Granular Sub-Base (GSB) – 250mm thick (0.25m3); Wet Mix Macadam (WMM) – 200mm thick (0.20m3); Prime Coat – 1 m2; Premix Surfacing – 1m2

BM BC Road restoration: Excavation – 1100mm thick (1.10m3); Sand Filling – 550mm thick (0.55m3); Granular Sub-Base (GSB) – 250mm thick (0.25m3); Wet Mix Macadam (WMM) – 200mm thick (0.20m3); Prime Coat – 1 m2; Tack Coat – 1m2; Bituminous Macadam (BM) – 50mm thick (0.050m3); Bituminous Concrete (BC) – 30mm thick (0.03m3)

Restoration of BM & BC Road

PERMANENT MARKERS

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 (powder coated), stencil letter cutting for numbers, direction, chainage etc., restoration of area to original condition and performing all works as per drawing, specification and instruction of Owner/Owner’s Representative

RCC BOUNDARY PILLARS

PIPELINE MARKER (STEEL) (Directional Markers, Warning Markers, Kilomenter Markers.)