LAYING AND CONSTRUCTION OF 10 INCH AND 4 INCH UNDERGROUND STEEL PIPELINE NETWORK AND ASSOCIATED WORKS FOR CROSSING OF RIVERS FOR CITY GAS DISTRIBUTION IN SINDHUDURG,GEOGRAPHICAL AREAS.

Amount

CARBON STEEL PIPES

PIPELINE LAYING / INSTALLATION in all type of surface (Kaccha/built-up surface / Hard surface) "Receiving and taking over" as defined in the specifications, handing, loading, transportation and unloading of Owner supplied 3-Layer PE coated 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, associated burried valves, barred tees, insulating joints, flanges & fittings of all sizes, thickness & ANSI class rating and accessories 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,

additional lands required for execution of work , 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, aquistion of ROU/ROW for laying of pipeline from HDD Exit and entry point to Tie in Point of existing Pipeline/ ROU, 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:

Surveying of route and detours required at the time of execution including marking the same in topographical sheet, preparation of construction drawings showing survey details, and submit same to Owner for review / approval.

Staking and installation of construction markers, clearing, fencing, grubbing, cutting of trees, full filling all the requirements of various statutory/ environment authorities to the entire satisfaction of concerned authorities, grading of work area. 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.

Trenching to all depths by excavation in all types of soils including soft/ hard rock and different type of pavement / footpath / roads etc. including rock breaking, chiselling or otherwise cutting etc. as required and storing excavated soil, reusable materials at designated area as directed by Engineer in charge and to a width to accommodate the Steel pipeline and MDPE as per the relevant standard/ specification etc. [The minimum depth of the top of pipeline shall be 1.0m measured from top of pipeline coating to the top of undisturbed surface of the soil or as per SCC/ OISD - 141 / 226, whichever is higher]. Dewater of trenches if required as per site condition.

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 on straw / sand / soft soil bags including supply of bags and its filling materials.

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 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 installation of carrier line pipe at all minor crossing viz. carttrack, pathway, water bodies etc. at designated depth by open cut (except at crossing by HDD method).

Carrying out installation of carrier line pipe in the casing pipe at cased crossing (excluding installation of casing pipes which is covered separately).

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.

Counting the number and type of trees cut in presence of DFO/concerned authorities and keeping record thereof, stacking and handing over of all cut tress.

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

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

Supply and installation of bank protection alongwith backfill materials duly approved by EIC for pipeline trench and banks falls under minor water body crossing as per technical specification & Std. Drg. No. MNGL/Plng./Steel/28, wherever required or, as directed by Onwer / EIC.

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

Carrying out air cleaning, pigging, flushing, cleaning and hydrostatic testing of complete pipeline with required quantity of corrosion inhibitor 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 per specification

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 of right-of-use or area disturbed by contractor during their construction activities for laying of pipeline works and disposal of debris and surplus material to designated disposal areas and backfilling of trench and compaction of the same as per satisfaction of Owner and / Or as directed by Engineer–in–charge.

Installation of all burried valves (except extended stem valves) inside the valve pit and making provision to operate the valve.

Preparation of as-built drawings, pipe-books (1 set of tracing on polyester film and 6 sets of as-built drawings and 1 soft copy and 6 hard copies of pipe book) 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 precommissioning activities.

Raking up of hard surface of any type including metal, concrete, bituminous, tiled, brick lined soft rock which is breakable in pieces manually (without use of pneumatic machine) etc. All tiles/ slabs/ curb stones etc. removed during excavation shall be placed properly. Payment for cutting of hard rock, if any, is covered unders SOR sr no. 64

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

250 mm 6.4 API X-52 3 Layer PE Coating (Externally) Double random (approx. 11.5 m to 12.5 m)

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

Note: This item shall be applicable for the underground steel grid main pipeline & branch pipeline including tap-off for distribution pipelines, valves, barred tees, insulating joints, bends (R=3D), flanges & fittings, accessories etc. (i.e. including arrangement for making provision for tap-off on proposed steel grid main pipeline) and aboveground approach pipeline upto Insulating Joint (excluding installation of aboveground insulating joint) for various stations.

Items except above are covered separately. The lengths of pipelines are tentative.

Permission Liasioning /Follow-up

Liasioning & follow up for Permission with all the concerned authorities & boards viz Railways, NH, PWD, MIDC, Local Municipal, Panchyat, Electricity, REC, RES, Sewage water, Drinking water, Forest, Social Forestry, Owners of OFC, Traffic, Law & Order, Fire Brigade, Private Land Owner etc. for entire pipeline length and associated terminals (like SVs, tap-offs) alongwith associated work as per tender. Obtaining necessary NOC from authority after completion of work (Where ever applicable).

The river crossings shall be done by HDD Method as indicated below. The price quoted on running meter basis shall be considered . However obtaining permission from the concerned authority regarding method of crossings shall be sole responsibility of the contractor:

MAJOR SPECIFIED WATER BODY (RIVER ) X INGS (BY HDD METHOD) Complete work of the water crossings (between the limits as defined in approved drawing) by HDD method including "Receiving and taking over" owner supplied 3 Layer external PE 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, aligning, etc. supply of all Contractor supplied material , to worksite(s), manpower, other resources and acquiring the required land for execution of crossing, 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.

In-site pre-construction survey including auger bore(s) of minimum 6.0 M depth [in the middle third of waterway; at least 1 in each waterbody and at interval of 50M centres] to establish bed strata,its bore log by soil testing; obtaining either scour depth from concerned authority, necessary cover required over the carrier pipeline from lowest bed level of the stipulated water crossing to be obtained from concerned authority 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 to finalise scour depth:- (i) Past Historical flood level datas indicating HFL to determine highest flood level. (ii) River flow data including velocity of water flow. (iii) Necessary information regarding type of soil and strata underneath the river bed.

Complete work for Installation of carrier pipeline of size 10" NB & 4'' NB, 6.4 mm wall thick, API 5L Gr. X- 52 across Kalana River in Sindhudurg by HDD method (Detailed construction drawings shall be prepared by the contractor duly approved by MNGL) including design, preparation of design basis report, detail execution philosophy, risk mitigation philosophy, detail engineering as per specification, approved procedures & applicable approved drawings. The job includes execution of the complete crossing and associated works, but not limited to following works in accordance with specifications, scope of work and instruction of EIC and as per provision of Contract document.

Mobilization & demobilization as per contractor's scope of supply of all materials and consumables, HDD machine & other associated equipment, manpower and other resources to work site including handling, loading, unloading, aligning, etc. Acquiring the required land by Contractor for execution, storage, fabrication, site preparation and develop temporary approach access to work site for transportation of pipes and other construction equipments etc. for execution of the works.

Geotechnical and Hydrological survey data required to design & construction of crossing, engineering & design calculation, preparation of all necessary construction drawing duly approved by owner/Concerned authority .

Drilling to the required depth on the banks and bed including maintenance of drill hole in all types of soil strata (including soft or hard rock), all depth to accommodate both the pipelines at all conditions of the river crossings by HDD method.

Preparation of pipeline string including welding, coating and pre-testing of carrier pipe and making the pipeline ready for installation by HDD method

"Receiving and taking-over" as defined in the specification, handling, loading, transportation and unloading of Owner supplied externally corrosion coated line pipes from Owner's designated place(s) of issue/ dump site(s) to Contractor's own stock-yard(s)/ Work Shop(s)/ work-site(s) including stringing of line pipes on the desired alignment required for pulling of pipeline string during HDD operation, preparation of pipeline string of coated linepipe, associated fittings and accessories, etc. of following sizes given below, including executing all works; arrangement of all additional land or working space required for string prepartion/during pulling (if required), Contractor's storage, fabrication, access for construction; supply of all materials (except Owner supplied materials), consumables, labour and other incidental works; return of the surplus pipes to the Owner's designated stockyard(s); carrying out all temporary, ancillary, auxiliary works required to make the pipeline ready for insertion by HDD method as per drawings, specifications, scope of work

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 after taking over from Owner by Contractor including management of their own dump site, if required.

Stringing of line pipes along the desired & approved alignment required for pulling of pipeline string during HDD operation including providing straw/ sand/ soft soil bags, soft padding/ sand padding.

Aligning, bending, cutting and bevelling (as required) of pipes for welding and field adjustments, welding, carrying out destructive/ non-destructive testing of welds as required as per specification including 100% radiography by X-Ray and providng 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 Owner, carrying out re-radiography and other tests such as ultrasonic etc. as required on repaired joints etc. as mentioned in SCC & particular job specification.

Supply of special type "Dirax" or equivalent heat shrink sleeves coating materials for all field joints including special type coating repair patch material PERP - 80 or equivalent as per specifications compatible with 3-Layer PE Coating as per tender specifications with prior approval of Owner.

Coating of all field weld joints.

Carrying out cleaning through foam pigging, water filling, pre-hydrotesting, of complete pipeline in one section/ test sections as approved by Owner to specified test pressure (1.5 times of the design pressure) for minimum 6 (six) hours holding period; 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.

Post Hydrotest of the HDD Section for a Minimum 24 hrs hold period 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 post hydrotesting, attributable to Contractor and rectification of defects, re-testing after rectification with due approval of Owner, successful completion of post-hydrotesting including dewatering of pipeline to acceptance criteria defined in the specifications.

Final clean-up and restoration of additional land / right of use / corridor including obtaining NOC from respective land owners & statutory authorities if required, and disposal of debris and returning surplus material to Owner's designated disposal area(s)/ stockyard(s) as directed by Owner.

Preparation of as built drawings, pipe-book and other records as specified in the specifications

All welded joints of pipeline string shall be 100% radiographically tested by X-ray.

Note: (i) Width of above X-ing mentioned in X-ing drawing enclosed herewith tender document. Crossing width may vary as per site condition. Tenderer 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 shall be made according to actual width of River Bank (one Side Bank to other Side Bank) and not as per the profile drawing of HDD.

(iv) In case of lower depth of crossing achieved if damage to bed & bank is extensive the scheme for Bed & Bank Stabilisation as per standards & other approved construction drawing, shall be executed at no extra cost.

Details of Crossings

Kalana River crossing near Kalane Village (Size of line pipe 250 6.4 API X-52 3 Layer PE Coating (Externally) Double random (approx. 11.5 m to 12.5 m) )

Kalana River crossing near Kalane Village (Size of line pipe 100 6.4 API X-52 3 Layer PE Coating (Externally) Double random (approx. 11.5 m to 12.5 m) )

Excavation beyond 1.5m depth in case of crossing of utilities/ drain/ culverts etc. through open cut upto the following depth (including restoration of the damaged area to its original condition and satisfaction of the Engineer-in-charge / concerned authorities) : -

In all type of surface (Kachha/ built-up surface / Hard surface) of any type including metal, concrete, bituminous, tiled, brick lined soft rock which is breakable in pieces manually (without use of pneumatic machine) etc. All tiles/ slabs/ curb stones etc. removed during excavation shall be placed properly. The other activities are as per SOR Sr no 1 Payment for cutting of hard rock, if any, is covered unders SOR Sr no 64

Deeper than 1.5 m & upto 2.5 m below existing level (for 250 mm NB Pipeline)

Deeper than 2.5 m & upto 4.5 m below existing level (for 250 mm NB Pipeline)

Deeper than 1.5 m & upto 2.5 m below existing level (for 100 mm NB Pipeline)

Deeper than 2.5 m & upto 4.5 m below existing level (for 100 mm NB Pipeline)

Excavation of hard rock

Excavation of hard rock wherever hard rock of single piece exceeding 1.0 m in length removable by pneumatic chisel/ drill as per direction of EIC.

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 markers with post & foundations

Pipeline direction marker with post & foundations

Pipeline Navigation Marker

HOOK -UP

Hook-up of proposed pipeline by welding of final tie-in-joint with any existing laid pipeline portion of river X-ing ,existing Tap-off & battery limit of Section I & II including Hook-up point of the existing pipeline to be made ready for welding by cutting of flanges / valves / headers at all depth in all type of soil etc. Venting of N2 / gas / gas mixture as required purging of N2 Gas (if required), rebevelling as required, radiography and other NDT examination, joint coating as per specification.Contractor shall supply of all consumables, manpower, machinaries, materials, N2 gas etc. and carry out all works as per the provisions of Contract document and instructions of Engineer-in-charge.

For 10" NB

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 mininum 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.

For 10" NB

For 4" NB Pipeline

IDLE TIME PRESERVATION OF PIPELINE Preservation of complete pipeline and associated facilities forming part of the pipeline as per Bid document and its maintenance including supply of all consumables, all equipment, manpower, etc. complete as per the requirements of specifications, other provisions of Contract document and instructions of Engineer-in-charge. Note : Owner reserves the right to exercise either or none of the rates below.

By filling and pressurizing with nitrogen to a pressure of 2 bar(g) for a period of 3 months.

For 10" NB Pipeline

For 4" NB Pipeline

For every additional period of one month or part thereof

For 10" NB Pipeline

For 4" NB Pipeline

SUPPLY OF ASSORTED PIPE, FITTINGS AND FLANGES Complete works of supply of pipes, flanges & fittings for aboveground & underground installation including all taxes, duties, transportation and inspection charges but not limited to, the following items in accordance with PMS (piping material specification), relevant specifications & drawings indicated in job specification under SCC (technical) 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.

Elbow (Seamless)

90° Elbow ( MOC MSS SP 75 WPHY 52 & DIM. ASME 16.9 R=1.5D ) Min Thickness 6.4mm

Size Rating/ Schedule

45° Elbow ( MOC MSS SP 75 WPHY 52 & DIM. ASME 16.9 R=1.5D ) Min Thickness 6.4mm

Size Rating/ Schedule

90° Elbow (MOC MSS SP 75 WPHY 52 R= 3D ) Min Thickness 6.4mm

Size Rating/ Schedule

45° Elbow (MOC MSS SP 75 WPHY 52 R= 3D ) Min Thickness 6.4mm

Size Rating/ Schedule

22½° Elbow (A234 Gr. WPB, B-16.9, R= 3 D)

Size Rating/ Schedule

11½° Elbow (A234 Gr. WPB, B-16.9, R= 3 D)

Size Rating/ Schedule

Flanges

Weld Neck (B-16.5, 300# A105,125 AARH, Serrated finish)

Size Rating/ Schedule

10" NB, RF End thickness to match with pipe wall thickness (Sch. Std.)

4" NB, RF End thickness to match with pipe wall thickness (Sch. 80)

Blind Flanges (B-16.5, 300# A105,125 AARH Serrated)

For all the supply items mentioned above, procurement shall be made as per enclosed Data Sheets and respective technical specification, after due approval of Engineer-in-charge.

The quantities mentioned above are tentative and quantities for above 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.

Plain Cement Concrete Supplying and laying plain cement concrete (including shuttering of required) in all types of concrete works including levelling courses below foundation, substructure, superstrcuture, chambers, cable tranch, under floors and any other locations, at all leveies as per drawings, specifications and directions of the Engineer-in-charge.

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

PCC 1:4:8 1 Cement : 4 Coarse sand : 8 stone aggregate 40mm nominal size. (Rate to include cost of all labour, tools, tackles, equipment, hire charges, supply of all materials, shuttering, earthwork in excavation and backfilling using approved earth in all conditions etc. with all bye works and sundry works.)

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

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

Concrete Pavement Providing and laying reinforced cement concrete of (M-20 grade) with 20mm and down grade crushed stone aggregate in pavement, including preparation of base (i.e. compacted subgrade, 200 thk sand and 50 thk PCC M-10 grade), leaving pockets if necessary, making recess, projections, fixing inserts conduit pipes (GI, PVC, HDPE, etc.) laying in alternate panels, filling the gaps between the panels with bitumen etc., making slopes, finishing edges, leaving bars for pedestals & sleepers including providing sand fill isolation , shuttering, providing and fixing reinforcing steel, curing, chipping and modification works etc. as specified in any shape, thickness, position and finishing the top surface smooth as per requirement etc. all complete as per drawings, specifications and directions of the Engineerin- charge.

150 mm thick (Type-I)

TEMPORARY CATHODIC PROTECTION SYSTEM

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 0.250 km (approx.) long steel pipeline network against corrosion for design life of minimum 1 year or till commissioning of PCP system whichever is later as per standard specification No. MNGL/Steel/TS/15 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, 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.

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.

Monitoring of the protection system for 6 months.

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-in-charge.

Laying of MDPE pipe along with Steel pipe line Excluding supply of all MDPE pipe (PE 80/100,SDR11), but Including supply of Bends, Couplers, End caps, Tees, PE Reducer, CS to PE Fitting, Saddle Tapping, Warming mat, etc. as required to complete the job. ( Particular job specification.) "Receiving and taking-over" as defined in the specification, handling, loading, transportation and unloading of Owner supplied MDPE line pipes (PE80/100, SDR11) of all sizes (as free issue items) from Owner's designated place(s) of issue to Contractor's own stock-yard(s)/ Work Shop(s)/ work-site(s) including proper storing, stacking, identification, providing security & insurance cover , including supply of accessories of all sizes & thickness like Bends, Couplers, End caps, Tee, PE Reducer, CS to PE Fittings, Saddle Tapping, Warning Mat, etc..

Stringing/ uncoiling of the MDPE line pipe on the pipeline Right-of-Use, laying/ installation of MDPE line pipe alongwith steel pipeline (alongwith installation of required accessories as mentioned above) of following sizes, including executing all works; fabrication, access for construction; supply of all materials (except Owner supplied materials), consumables, labour and other incidental works and handing over the same after return of the surplus pipes to the Owner's designated stockyard(s); carrying out all temporary, ancillary, auxiliary works required to make the MDPE pipeline ready for commissioning as per drawings, specifications, scope of work indicated in PJS and other provisions of Contract document and instructions of Engineer-in-charge.

Dia 125mm

Note : The quantities indicated above against all individual item are tentative and may vary considerably depending upon site condition, methodology adopted as per site requirement with due approval of Owner/ Consultants.

Description of Work / Item(s)

Amount

CARBON STEEL PIPES

PIPELINE LAYING / INSTALLATION in all type of surface (Kaccha/built-up surface / Hard surface) "Receiving and taking over" as defined in the specifications, handing, loading, transportation and unloading of Owner supplied 3-Layer PE coated 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, associated burried valves, barred tees, insulating joints, flanges & fittings of all sizes, thickness & ANSI class rating and accessories 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,

additional lands required for execution of work , 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, aquistion of ROU/ROW for laying of pipeline from HDD Exit and entry point to Tie in Point of existing Pipeline/ ROU, 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:

Surveying of route and detours required at the time of execution including marking the same in topographical sheet, preparation of construction drawings showing survey details, and submit same to Owner for review / approval.

Staking and installation of construction markers, clearing, fencing, grubbing, cutting of trees, full filling all the requirements of various statutory/ environment authorities to the entire satisfaction of concerned authorities, grading of work area. 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.

Trenching to all depths by excavation in all types of soils including soft/ hard rock and different type of pavement / footpath / roads etc. including rock breaking, chiselling or otherwise cutting etc. as required and storing excavated soil, reusable materials at designated area as directed by Engineer in charge and to a width to accommodate the Steel pipeline and MDPE as per the relevant standard/ specification etc. [The minimum depth of the top of pipeline shall be 1.0m measured from top of pipeline coating to the top of undisturbed surface of the soil or as per SCC/ OISD - 141 / 226, whichever is higher]. Dewater of trenches if required as per site condition.

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 on straw / sand / soft soil bags including supply of bags and its filling materials.

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 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 installation of carrier line pipe at all minor crossing viz. carttrack, pathway, water bodies etc. at designated depth by open cut (except at crossing by HDD method).

Carrying out installation of carrier line pipe in the casing pipe at cased crossing (excluding installation of casing pipes which is covered separately).

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.

Counting the number and type of trees cut in presence of DFO/concerned authorities and keeping record thereof, stacking and handing over of all cut tress.

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

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

Supply and installation of bank protection alongwith backfill materials duly approved by EIC for pipeline trench and banks falls under minor water body crossing as per technical specification & Std. Drg. No. MNGL/Plng./Steel/28, wherever required or, as directed by Onwer / EIC.

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

Carrying out air cleaning, pigging, flushing, cleaning and hydrostatic testing of complete pipeline with required quantity of corrosion inhibitor 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 per specification

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 of right-of-use or area disturbed by contractor during their construction activities for laying of pipeline works and disposal of debris and surplus material to designated disposal areas and backfilling of trench and compaction of the same as per satisfaction of Owner and / Or as directed by Engineer–in–charge.

Installation of all burried valves (except extended stem valves) inside the valve pit and making provision to operate the valve.

Preparation of as-built drawings, pipe-books (1 set of tracing on polyester film and 6 sets of as-built drawings and 1 soft copy and 6 hard copies of pipe book) 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 precommissioning activities.

Raking up of hard surface of any type including metal, concrete, bituminous, tiled, brick lined soft rock which is breakable in pieces manually (without use of pneumatic machine) etc. All tiles/ slabs/ curb stones etc. removed during excavation shall be placed properly. Payment for cutting of hard rock, if any, is covered unders SOR no. 64

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

250 mm 6.4 API X-52 3 Layer PE Coating (Externally) Double random (approx. 11.5 m to 12.5 m)

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

Note: This item shall be applicable for the underground steel grid main pipeline & branch pipeline including tap-off for distribution pipelines, valves, barred tees, insulating joints, bends (R=3D), flanges & fittings, accessories etc. (i.e. including arrangement for making provision for tap-off on proposed steel grid main pipeline) and aboveground approach pipeline upto Insulating Joint (excluding installation of aboveground insulating joint) for various stations.

Items except above are covered separately. The lengths of pipelines are tentative.

Permission Liasioning /Follow-up

Liasioning & follow up for Permission with all the concerned authorities & boards viz Railways, NH, PWD, MIDC, Local Municipal, Panchyat, Electricity, REC, RES, Sewage water, Drinking water, Forest, Social Forestry, Owners of OFC, Traffic, Law & Order, Fire Brigade, Private Land Owner etc. for entire pipeline length and associated terminals (like SVs, tap-offs) alongwith associated work as per tender. Obtaining necessary NOC from authority after completion of work (Where ever applicable).

The river crossings shall be done by HDD Method as indicated below. The price quoted on running meter basis shall be considered . However obtaining permission from the concerned authority regarding method of crossings shall be sole responsibility of the contractor:

MAJOR SPECIFIED WATER BODY (RIVER ) X INGS (BY HDD METHOD) Complete work of the water crossings (between the limits as defined in approved drawing) by HDD method including "Receiving and taking over" owner supplied 3 Layer external PE 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, aligning, etc. supply of all Contractor supplied material , to worksite(s), manpower, other resources and acquiring the required land for execution of crossing, 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.

In-site pre-construction survey including auger bore(s) of minimum 6.0 M depth [in the middle third of waterway; at least 1 in each waterbody and at interval of 50M centres] to establish bed strata,its bore log by soil testing; obtaining either scour depth from concerned authority, necessary cover required over the carrier pipeline from lowest bed level of the stipulated water crossing to be obtained from concerned authority 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 to finalise scour depth:- (i) Past Historical flood level datas indicating HFL to determine highest flood level. (ii) River flow data including velocity of water flow. (iii) Necessary information regarding type of soil and strata underneath the river bed.

Complete work for Installation of carrier pipeline of size 10" NB & 4'' NB, 6.4 mm wall thick, API 5L Gr. X- 52 across Terekhol River in Sindhudurg by HDD method (Detailed construction drawings shall be prepared by the contractor duly approved by MNGL) including design, preparation of design basis report, detail execution philosophy, risk mitigation philosophy, detail engineering as per specification, approved procedures & applicable approved drawings. The job includes execution of the complete crossing and associated works, but not limited to following works in accordance with specifications, scope of work and instruction of EIC and as per provision of Contract document.

Mobilization & demobilization as per contractor's scope of supply of all materials and consumables, HDD machine & other associated equipment, manpower and other resources to work site including handling, loading, unloading, aligning, etc. Acquiring the required land by Contractor for execution, storage, fabrication, site preparation and develop temporary approach access to work site for transportation of pipes and other construction equipments etc. for execution of the works.

Geotechnical and Hydrological survey data required to design & construction of crossing, engineering & design calculation, preparation of all necessary construction drawing duly approved by owner/Concerned authority .

Drilling to the required depth on the banks and bed including maintenance of drill hole in all types of soil strata (including soft or hard rock), all depth to accommodate both the pipelines at all conditions of the river crossings by HDD method.

Preparation of pipeline string including welding, coating and pre-testing of carrier pipe and making the pipeline ready for installation by HDD method

"Receiving and taking-over" as defined in the specification, handling, loading, transportation and unloading of Owner supplied externally corrosion coated line pipes from Owner's designated place(s) of issue/ dump site(s) to Contractor's own stock-yard(s)/ Work Shop(s)/ work-site(s) including stringing of line pipes on the desired alignment required for pulling of pipeline string during HDD operation, preparation of pipeline string of coated linepipe, associated fittings and accessories, etc. of following sizes given below, including executing all works; arrangement of all additional land or working space required for string prepartion/during pulling (if required), Contractor's storage, fabrication, access for construction; supply of all materials (except Owner supplied materials), consumables, labour and other incidental works; return of the surplus pipes to the Owner's designated stockyard(s); carrying out all temporary, ancillary, auxiliary works required to make the pipeline ready for insertion by HDD method as per drawings, specifications, scope of work

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 after taking over from Owner by Contractor including management of their own dump site, if required.

Stringing of line pipes along the desired & approved alignment required for pulling of pipeline string during HDD operation including providing straw/ sand/ soft soil bags, soft padding/ sand padding.

Aligning, bending, cutting and bevelling (as required) of pipes for welding and field adjustments, welding, carrying out destructive/ non-destructive testing of welds as required as per specification including 100% radiography by X-Ray and providng 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 Owner, carrying out re-radiography and other tests such as ultrasonic etc. as required on repaired joints etc. as mentioned in SCC & particular job specification.

Supply of special type "Dirax" or equivalent heat shrink sleeves coating materials for all field joints including special type coating repair patch material PERP - 80 or equivalent as per specifications compatible with 3-Layer PE Coating as per tender specifications with prior approval of Owner.

Coating of all field weld joints.

Carrying out cleaning through foam pigging, water filling, pre-hydrotesting, of complete pipeline in one section/ test sections as approved by Owner to specified test pressure (1.5 times of the design pressure) for minimum 6 (six) hours holding period; 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.

Post Hydrotest of the HDD Section for a Minimum 24 hrs hold period 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 post hydrotesting, attributable to Contractor and rectification of defects, re-testing after rectification with due approval of Owner, successful completion of post-hydrotesting including dewatering of pipeline to acceptance criteria defined in the specifications.

Final clean-up and restoration of additional land / right of use / corridor including obtaining NOC from respective land owners & statutory authorities if required, and disposal of debris and returning surplus material to Owner's designated disposal area(s)/ stockyard(s) as directed by Owner.

Preparation of as built drawings, pipe-book and other records as specified in the specifications

All welded joints of pipeline string shall be 100% radiographically tested by X-ray.

Note: (i) Width of above X-ing mentioned in X-ing drawing enclosed herewith tender document. Crossing width may vary as per site condition. Tenderer 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 shall be made according to actual width of River Bank (one Side Bank to other Side Bank) and not as per the profile drawing of HDD.

(iv) In case of lower depth of crossing achieved if damage to bed & bank is extensive the scheme for Bed & Bank Stabilisation as per standards & other approved construction drawing, shall be executed at no extra cost.

Details of Crossings

Terekhol River crossing near Banda Village (Size of line pipe 250 6.4 API X-52 3 Layer PE Coating (Externally) Double random (approx. 11.5 m to 12.5 m) )

Terekhol River crossing near Banda Villagee (Size of line pipe 100 6.4 API X-52 3 Layer PE Coating (Externally) Double random (approx. 11.5 m to 12.5 m) )

Excavation beyond 1.5m depth in case of crossing of utilities/ drain/ culverts etc. through open cut upto the following depth (including restoration of the damaged area to its original condition and satisfaction of the Engineer-in-charge / concerned authorities) : -

In all type of surface (Kachha/ built-up surface / Hard surface) of any type including metal, concrete, bituminous, tiled, brick lined soft rock which is breakable in pieces manually (without use of pneumatic machine) etc. All tiles/ slabs/ curb stones etc. removed during excavation shall be placed properly. The other activities are as per SOR 1 Payment for cutting of hard rock, if any, is covered unders SOR no. 64

Deeper than 1.5 m & upto 2.5 m below existing level (for 250 mm NB Pipeline)

Deeper than 2.5 m & upto 4.5 m below existing level (for 250 mm NB Pipeline)

Deeper than 1.5 m & upto 2.5 m below existing level (for 100 mm NB Pipeline)

Deeper than 2.5 m & upto 4.5 m below existing level (for 100 mm NB Pipeline)

Excavation of hard rock

Excavation of hard rock wherever hard rock of single piece exceeding 1.0 m in length removable by pneumatic chisel/ drill as per direction of EIC.

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 markers with post & foundations

Pipeline direction marker with post & foundations

Pipeline Navigation Marker

HOOK -UP

Hook-up of proposed pipeline by welding of final tie-in-joint with any existing laid pipeline portion of river X-ing ,existing Tap-off & battery limit of Section I & II including Hook-up point of the existing pipeline to be made ready for welding by cutting of flanges / valves / headers at all depth in all type of soil etc. Venting of N2 / gas / gas mixture as required purging of N2 Gas (if required), rebevelling as required, radiography and other NDT examination, joint coating as per specification.Contractor shall supply of all consumables, manpower, machinaries, materials, N2 gas etc. and carry out all works as per the provisions of Contract document and instructions of Engineer-in-charge.

For 10" NB

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 mininum 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.

For 10" NB

For 4" NB Pipeline

IDLE TIME PRESERVATION OF PIPELINE Preservation of complete pipeline and associated facilities forming part of the pipeline as per Bid document and its maintenance including supply of all consumables, all equipment, manpower, etc. complete as per the requirements of specifications, other provisions of Contract document and instructions of Engineer-in-charge. Note : Owner reserves the right to exercise either or none of the rates below.

By filling and pressurizing with nitrogen to a pressure of 2 bar(g) for a period of 3 months.

For 10" NB Pipeline

For 4" NB Pipeline

For every additional period of one month or part thereof

For 10" NB Pipeline

For 4" NB Pipeline

SUPPLY OF ASSORTED PIPE, FITTINGS AND FLANGES Complete works of supply of pipes, flanges & fittings for aboveground & underground installation including all taxes, duties, transportation and inspection charges but not limited to, the following items in accordance with PMS (piping material specification), relevant specifications & drawings indicated in job specification under SCC (technical) 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.

Elbow (Seamless)

90° Elbow ( MOC MSS SP 75 WPHY 52 & DIM. ASME 16.9 R=1.5D ) Min Thickness 6.4mm

Size Rating/ Schedule

45° Elbow ( MOC MSS SP 75 WPHY 52 & DIM. ASME 16.9 R=1.5D ) Min Thickness 6.4mm

Size Rating/ Schedule

90° Elbow (MOC MSS SP 75 WPHY 52 R= 3D ) Min Thickness 6.4mm

Size Rating/ Schedule

45° Elbow (MOC MSS SP 75 WPHY 52 R= 3D ) Min Thickness 6.4mm

Size Rating/ Schedule

22½° Elbow (A234 Gr. WPB, B-16.9, R= 3 D)

Size Rating/ Schedule

11½° Elbow (A234 Gr. WPB, B-16.9, R= 3 D)

Size Rating/ Schedule

Flanges

Weld Neck (B-16.5, 300# A105,125 AARH, Serrated finish)

Size Rating/ Schedule

10" NB, RF End thickness to match with pipe wall thickness (Sch. Std.)

4" NB, RF End thickness to match with pipe wall thickness (Sch. 80)

Blind Flanges (B-16.5, 300# A105,125 AARH Serrated)

For all the supply items mentioned above, procurement shall be made as per enclosed Data Sheets and respective technical specification, after due approval of Engineer-in-charge.

The quantities mentioned above are tentative and quantities for above 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.

Plain Cement Concrete Supplying and laying plain cement concrete (including shuttering of required) in all types of concrete works including levelling courses below foundation, substructure, superstrcuture, chambers, cable tranch, under floors and any other locations, at all leveies as per drawings, specifications and directions of the Engineer-in-charge.

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

PCC 1:4:8 1 Cement : 4 Coarse sand : 8 stone aggregate 40mm nominal size. (Rate to include cost of all labour, tools, tackles, equipment, hire charges, supply of all materials, shuttering, earthwork in excavation and backfilling using approved earth in all conditions etc. with all bye works and sundry works.)

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

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

Concrete Pavement Providing and laying reinforced cement concrete of (M-20 grade) with 20mm and down grade crushed stone aggregate in pavement, including preparation of base (i.e. compacted subgrade, 200 thk sand and 50 thk PCC M-10 grade), leaving pockets if necessary, making recess, projections, fixing inserts conduit pipes (GI, PVC, HDPE, etc.) laying in alternate panels, filling the gaps between the panels with bitumen etc., making slopes, finishing edges, leaving bars for pedestals & sleepers including providing sand fill isolation , shuttering, providing and fixing reinforcing steel, curing, chipping and modification works etc. as specified in any shape, thickness, position and finishing the top surface smooth as per requirement etc. all complete as per drawings, specifications and directions of the Engineerin- charge.

150 mm thick (Type-I)

TEMPORARY CATHODIC PROTECTION SYSTEM

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 0.430 km (approx.) long steel pipeline network against corrosion for design life of minimum 1 year or till commissioning of PCP system whichever is later as per standard specification No. MNGL/Steel/TS/15 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, 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.

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.

Monitoring of the protection system for 6 months.

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-in-charge.

Laying of MDPE pipe along with Steel pipe line Excluding supply of all MDPE pipe (PE 80/100,SDR11), but Including supply of Bends, Couplers, End caps, Tees, PE Reducer, CS to PE Fitting, Saddle Tapping, Warming mat, etc. as required to complete the job. ( Particular job specification.) "Receiving and taking-over" as defined in the specification, handling, loading, transportation and unloading of Owner supplied MDPE line pipes (PE80/100, SDR11) of all sizes (as free issue items) from Owner's designated place(s) of issue to Contractor's own stock-yard(s)/ Work Shop(s)/ work-site(s) including proper storing, stacking, identification, providing security & insurance cover , including supply of accessories of all sizes & thickness like Bends, Couplers, End caps, Tee, PE Reducer, CS to PE Fittings, Saddle Tapping, Warning Mat, etc..

Stringing/ uncoiling of the MDPE line pipe on the pipeline Right-of-Use, laying/ installation of MDPE line pipe alongwith steel pipeline (alongwith installation of required accessories as mentioned above) of following sizes, including executing all works; fabrication, access for construction; supply of all materials (except Owner supplied materials), consumables, labour and other incidental works and handing over the same after return of the surplus pipes to the Owner's designated stockyard(s); carrying out all temporary, ancillary, auxiliary works required to make the MDPE pipeline ready for commissioning as per drawings, specifications, scope of work indicated in PJS and other provisions of Contract document and instructions of Engineer-in-charge.

Dia 125mm

Note : The quantities indicated above against all individual item are tentative and may vary considerably depending upon site condition, methodology adopted as per site requirement with due approval of Owner/ Consultants.

Description of Work / Item(s)

Amount

CARBON STEEL PIPES

PIPELINE LAYING / INSTALLATION in all type of surface (Kaccha/built-up surface / Hard surface) "Receiving and taking over" as defined in the specifications, handing, loading, transportation and unloading of Owner supplied 3-Layer PE coated 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, associated burried valves, barred tees, insulating joints, flanges & fittings of all sizes, thickness & ANSI class rating and accessories 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,

additional lands required for execution of work , 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, aquistion of ROU/ROW for laying of pipeline from HDD Exit and entry point to Tie in Point of existing Pipeline/ ROU, 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:

Surveying of route and detours required at the time of execution including marking the same in topographical sheet, preparation of construction drawings showing survey details, and submit same to Owner for review / approval.

Staking and installation of construction markers, clearing, fencing, grubbing, cutting of trees, full filling all the requirements of various statutory/ environment authorities to the entire satisfaction of concerned authorities, grading of work area. 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.

Trenching to all depths by excavation in all types of soils including soft/ hard rock and different type of pavement / footpath / roads etc. including rock breaking, chiselling or otherwise cutting etc. as required and storing excavated soil, reusable materials at designated area as directed by Engineer in charge and to a width to accommodate the Steel pipeline and MDPE as per the relevant standard/ specification etc. [The minimum depth of the top of pipeline shall be 1.0m measured from top of pipeline coating to the top of undisturbed surface of the soil or as per SCC/ OISD - 141 / 226, whichever is higher]. Dewater of trenches if required as per site condition.

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 on straw / sand / soft soil bags including supply of bags and its filling materials.

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 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 installation of carrier line pipe at all minor crossing viz. carttrack, pathway, water bodies etc. at designated depth by open cut (except at crossing by HDD method).

Carrying out installation of carrier line pipe in the casing pipe at cased crossing (excluding installation of casing pipes which is covered separately).

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.

Counting the number and type of trees cut in presence of DFO/concerned authorities and keeping record thereof, stacking and handing over of all cut tress.

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

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

Supply and installation of bank protection alongwith backfill materials duly approved by EIC for pipeline trench and banks falls under minor water body crossing as per technical specification & Std. Drg. No. MNGL/Plng./Steel/28, wherever required or, as directed by Onwer / EIC.

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

Carrying out air cleaning, pigging, flushing, cleaning and hydrostatic testing of complete pipeline with required quantity of corrosion inhibitor 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 per specification

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 of right-of-use or area disturbed by contractor during their construction activities for laying of pipeline works and disposal of debris and surplus material to designated disposal areas and backfilling of trench and compaction of the same as per satisfaction of Owner and / Or as directed by Engineer–in–charge.

Installation of all burried valves (except extended stem valves) inside the valve pit and making provision to operate the valve.

Preparation of as-built drawings, pipe-books (1 set of tracing on polyester film and 6 sets of as-built drawings and 1 soft copy and 6 hard copies of pipe book) 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 precommissioning activities.

Raking up of hard surface of any type including metal, concrete, bituminous, tiled, brick lined soft rock which is breakable in pieces manually (without use of pneumatic machine) etc. All tiles/ slabs/ curb stones etc. removed during excavation shall be placed properly. Payment for cutting of hard rock, if any, is covered unders SOR no. 64

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

250 mm 6.4 API X-52 3 Layer PE Coating (Externally) Double random (approx. 11.5 m to 12.5 m)

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

Note: This item shall be applicable for the underground steel grid main pipeline & branch pipeline including tap-off for distribution pipelines, valves, barred tees, insulating joints, bends (R=3D), flanges & fittings, accessories etc. (i.e. including arrangement for making provision for tap-off on proposed steel grid main pipeline) and aboveground approach pipeline upto Insulating Joint (excluding installation of aboveground insulating joint) for various stations.

Items except above are covered separately. The lengths of pipelines are tentative.

Permission Liasioning /Follow-up

Liasioning & follow up for Permission with all the concerned authorities & boards viz Railways, NH, PWD, MIDC, Local Municipal, Panchyat, Electricity, REC, RES, Sewage water, Drinking water, Forest, Social Forestry, Owners of OFC, Traffic, Law & Order, Fire Brigade, Private Land Owner etc. for entire pipeline length and associated terminals (like SVs, tap-offs) alongwith associated work as per tender. Obtaining necessary NOC from authority after completion of work (Where ever applicable).

The river crossings shall be done by HDD Method as indicated below. The price quoted on running meter basis shall be considered . However obtaining permission from the concerned authority regarding method of crossings shall be sole responsibility of the contractor:

MAJOR SPECIFIED WATER BODY (RIVER ) X INGS (BY HDD METHOD) Complete work of the water crossings (between the limits as defined in approved drawing) by HDD method including "Receiving and taking over" owner supplied 3 Layer external PE 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, aligning, etc. supply of all Contractor supplied material , to worksite(s), manpower, other resources and acquiring the required land for execution of crossing, 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.

In-site pre-construction survey including auger bore(s) of minimum 6.0 M depth [in the middle third of waterway; at least 1 in each waterbody and at interval of 50M centres] to establish bed strata,its bore log by soil testing; obtaining either scour depth from concerned authority, necessary cover required over the carrier pipeline from lowest bed level of the stipulated water crossing to be obtained from concerned authority 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 to finalise scour depth:- (i) Past Historical flood level datas indicating HFL to determine highest flood level. (ii) River flow data including velocity of water flow. (iii) Necessary information regarding type of soil and strata underneath the river bed.

Complete work for Installation of carrier pipeline of size 10" NB & 4'' NB, 6.4 mm wall thick, API 5L Gr. X- 52 across Tilari River in Sindhudurg by HDD method (Detailed construction drawings shall be prepared by the contractor duly approved by MNGL) including design, preparation of design basis report, detail execution philosophy, risk mitigation philosophy, detail engineering as per specification, approved procedures & applicable approved drawings. The job includes execution of the complete crossing and associated works, but not limited to following works in accordance with specifications, scope of work and instruction of EIC and as per provision of Contract document.

Mobilization & demobilization as per contractor's scope of supply of all materials and consumables, HDD machine & other associated equipment, manpower and other resources to work site including handling, loading, unloading, aligning, etc. Acquiring the required land by Contractor for execution, storage, fabrication, site preparation and develop temporary approach access to work site for transportation of pipes and other construction equipments etc. for execution of the works.

Geotechnical and Hydrological survey data required to design & construction of crossing, engineering & design calculation, preparation of all necessary construction drawing duly approved by owner/Concerned authority .

Drilling to the required depth on the banks and bed including maintenance of drill hole in all types of soil strata (including soft or hard rock), all depth to accommodate both the pipelines at all conditions of the river crossings by HDD method.

Preparation of pipeline string including welding, coating and pre-testing of carrier pipe and making the pipeline ready for installation by HDD method

"Receiving and taking-over" as defined in the specification, handling, loading, transportation and unloading of Owner supplied externally corrosion coated line pipes from Owner's designated place(s) of issue/ dump site(s) to Contractor's own stock-yard(s)/ Work Shop(s)/ work-site(s) including stringing of line pipes on the desired alignment required for pulling of pipeline string during HDD operation, preparation of pipeline string of coated linepipe, associated fittings and accessories, etc. of following sizes given below, including executing all works; arrangement of all additional land or working space required for string prepartion/during pulling (if required), Contractor's storage, fabrication, access for construction; supply of all materials (except Owner supplied materials), consumables, labour and other incidental works; return of the surplus pipes to the Owner's designated stockyard(s); carrying out all temporary, ancillary, auxiliary works required to make the pipeline ready for insertion by HDD method as per drawings, specifications, scope of work

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 after taking over from Owner by Contractor including management of their own dump site, if required.

Stringing of line pipes along the desired & approved alignment required for pulling of pipeline string during HDD operation including providing straw/ sand/ soft soil bags, soft padding/ sand padding.

Aligning, bending, cutting and bevelling (as required) of pipes for welding and field adjustments, welding, carrying out destructive/ non-destructive testing of welds as required as per specification including 100% radiography by X-Ray and providng 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 Owner, carrying out re-radiography and other tests such as ultrasonic etc. as required on repaired joints etc. as mentioned in SCC & particular job specification.

Supply of special type "Dirax" or equivalent heat shrink sleeves coating materials for all field joints including special type coating repair patch material PERP - 80 or equivalent as per specifications compatible with 3-Layer PE Coating as per tender specifications with prior approval of Owner.

Coating of all field weld joints.

Carrying out cleaning through foam pigging, water filling, pre-hydrotesting, of complete pipeline in one section/ test sections as approved by Owner to specified test pressure (1.5 times of the design pressure) for minimum 6 (six) hours holding period; 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.

Post Hydrotest of the HDD Section for a Minimum 24 hrs hold period 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 post hydrotesting, attributable to Contractor and rectification of defects, re-testing after rectification with due approval of Owner, successful completion of post-hydrotesting including dewatering of pipeline to acceptance criteria defined in the specifications.

Final clean-up and restoration of additional land / right of use / corridor including obtaining NOC from respective land owners & statutory authorities if required, and disposal of debris and returning surplus material to Owner's designated disposal area(s)/ stockyard(s) as directed by Owner.

Preparation of as built drawings, pipe-book and other records as specified in the specifications

All welded joints of pipeline string shall be 100% radiographically tested by X-ray.

Note: (i) Width of above X-ing mentioned in X-ing drawing enclosed herewith tender document. Crossing width may vary as per site condition. Tenderer 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 shall be made according to actual width of River Bank (one Side Bank to other Side Bank) and not as per the profile drawing of HDD.

(iv) In case of lower depth of crossing achieved if damage to bed & bank is extensive the scheme for Bed & Bank Stabilisation as per standards & other approved construction drawing, shall be executed at no extra cost.

Details of Crossings

Tilari River crossing near Maneri Village (Size of line pipe 250 6.4 API X-52 3 Layer PE Coating (Externally) Double random (approx. 11.5 m to 12.5 m) )

Tilari River crossing near Maneri Village (Size of line pipe 100 6.4 API X-52 3 Layer PE Coating (Externally) Double random (approx. 11.5 m to 12.5 m) )

Excavation beyond 1.5m depth in case of crossing of utilities/ drain/ culverts etc. through open cut upto the following depth (including restoration of the damaged area to its original condition and satisfaction of the Engineer-in-charge / concerned authorities) : -

In all type of surface (Kachha/ built-up surface / Hard surface) of any type including metal, concrete, bituminous, tiled, brick lined soft rock which is breakable in pieces manually (without use of pneumatic machine) etc. All tiles/ slabs/ curb stones etc. removed during excavation shall be placed properly. The other activities are as per SOR 1.1. Payment for cutting of hard rock, if any, is covered unders SOR no. 5.0

Deeper than 1.5 m & upto 2.5 m below existing level (for 250 mm NB Pipeline)

Deeper than 2.5 m & upto 4.5 m below existing level (for 250 mm NB Pipeline)

Deeper than 1.5 m & upto 2.5 m below existing level (for 100 mm NB Pipeline)

Deeper than 2.5 m & upto 4.5 m below existing level (for 100 mm NB Pipeline)

Excavation of hard rock

Excavation of hard rock wherever hard rock of single piece exceeding 1.0 m in length removable by pneumatic chisel/ drill as per direction of EIC.

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 markers with post & foundations

Pipeline direction marker with post & foundations

Pipeline Navigation Marker

HOOK -UP

Hook-up of proposed pipeline by welding of final tie-in-joint with any existing laid pipeline portion of river X-ing ,existing Tap-off & battery limit of Section I & II including Hook-up point of the existing pipeline to be made ready for welding by cutting of flanges / valves / headers at all depth in all type of soil etc. Venting of N2 / gas / gas mixture as required purging of N2 Gas (if required), rebevelling as required, radiography and other NDT examination, joint coating as per specification.Contractor shall supply of all consumables, manpower, machinaries, materials, N2 gas etc. and carry out all works as per the provisions of Contract document and instructions of Engineer-in-charge.

For 10" NB

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 mininum 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.

For 10" NB

For 4" NB Pipeline

IDLE TIME PRESERVATION OF PIPELINE Preservation of complete pipeline and associated facilities forming part of the pipeline as per Bid document and its maintenance including supply of all consumables, all equipment, manpower, etc. complete as per the requirements of specifications, other provisions of Contract document and instructions of Engineer-in-charge. Note : Owner reserves the right to exercise either or none of the rates below.

By filling and pressurizing with nitrogen to a pressure of 2 bar(g) for a period of 3 months.

For 10" NB Pipeline

For 4" NB Pipeline

For every additional period of one month or part thereof

For 10" NB Pipeline

For 4" NB Pipeline

SUPPLY OF ASSORTED PIPE, FITTINGS AND FLANGES Complete works of supply of pipes, flanges & fittings for aboveground & underground installation including all taxes, duties, transportation and inspection charges but not limited to, the following items in accordance with PMS (piping material specification), relevant specifications & drawings indicated in job specification under SCC (technical) 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.

Elbow (Seamless)

90° Elbow ( MOC MSS SP 75 WPHY 52 & DIM. ASME 16.9 R=1.5D ) Min Thickness 6.4mm

Size Rating/ Schedule

45° Elbow ( MOC MSS SP 75 WPHY 52 & DIM. ASME 16.9 R=1.5D ) Min Thickness 6.4mm

Size Rating/ Schedule

90° Elbow (MOC MSS SP 75 WPHY 52 R= 3D ) Min Thickness 6.4mm

Size Rating/ Schedule

45° Elbow (MOC MSS SP 75 WPHY 52 R= 3D ) Min Thickness 6.4mm

Size Rating/ Schedule

22½° Elbow (A234 Gr. WPB, B-16.9, R= 3 D)

Size Rating/ Schedule

11½° Elbow (A234 Gr. WPB, B-16.9, R= 3 D)

Size Rating/ Schedule

Flanges

Weld Neck (B-16.5, 300# A105,125 AARH, Serrated finish)

Size Rating/ Schedule

10" NB, RF End thickness to match with pipe wall thickness (Sch. Std.)

4" NB, RF End thickness to match with pipe wall thickness (Sch. 80)

Blind Flanges (B-16.5, 300# A105,125 AARH Serrated)

For all the supply items mentioned above, procurement shall be made as per enclosed Data Sheets and respective technical specification, after due approval of Engineer-in-charge.

The quantities mentioned above are tentative and quantities for above 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.

Plain Cement Concrete Supplying and laying plain cement concrete (including shuttering of required) in all types of concrete works including levelling courses below foundation, substructure, superstrcuture, chambers, cable tranch, under floors and any other locations, at all leveies as per drawings, specifications and directions of the Engineer-in-charge.

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

PCC 1:4:8 1 Cement : 4 Coarse sand : 8 stone aggregate 40mm nominal size. (Rate to include cost of all labour, tools, tackles, equipment, hire charges, supply of all materials, shuttering, earthwork in excavation and backfilling using approved earth in all conditions etc. with all bye works and sundry works.)

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

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

Concrete Pavement Providing and laying reinforced cement concrete of (M-20 grade) with 20mm and down grade crushed stone aggregate in pavement, including preparation of base (i.e. compacted subgrade, 200 thk sand and 50 thk PCC M-10 grade), leaving pockets if necessary, making recess, projections, fixing inserts conduit pipes (GI, PVC, HDPE, etc.) laying in alternate panels, filling the gaps between the panels with bitumen etc., making slopes, finishing edges, leaving bars for pedestals & sleepers including providing sand fill isolation , shuttering, providing and fixing reinforcing steel, curing, chipping and modification works etc. as specified in any shape, thickness, position and finishing the top surface smooth as per requirement etc. all complete as per drawings, specifications and directions of the Engineerin- charge.

150 mm thick (Type-I)

TEMPORARY CATHODIC PROTECTION SYSTEM

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 0.340 km (approx.) long steel pipeline network against corrosion for design life of minimum 1 year or till commissioning of PCP system whichever is later as per standard specification No. MNGL/Steel/TS/15 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, 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.

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.

Monitoring of the protection system for 6 months.

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-in-charge.

Laying of MDPE pipe along with Steel pipe line Excluding supply of all MDPE pipe (PE 80/100,SDR11), but Including supply of Bends, Couplers, End caps, Tees, PE Reducer, CS to PE Fitting, Saddle Tapping, Warming mat, etc. as required to complete the job. ( Particular job specification.) "Receiving and taking-over" as defined in the specification, handling, loading, transportation and unloading of Owner supplied MDPE line pipes (PE80/100, SDR11) of all sizes (as free issue items) from Owner's designated place(s) of issue to Contractor's own stock-yard(s)/ Work Shop(s)/ work-site(s) including proper storing, stacking, identification, providing security & insurance cover , including supply of accessories of all sizes & thickness like Bends, Couplers, End caps, Tee, PE Reducer, CS to PE Fittings, Saddle Tapping, Warning Mat, etc..

Stringing/ uncoiling of the MDPE line pipe on the pipeline Right-of-Use, laying/ installation of MDPE line pipe alongwith steel pipeline (alongwith installation of required accessories as mentioned above) of following sizes, including executing all works; fabrication, access for construction; supply of all materials (except Owner supplied materials), consumables, labour and other incidental works and handing over the same after return of the surplus pipes to the Owner's designated stockyard(s); carrying out all temporary, ancillary, auxiliary works required to make the MDPE pipeline ready for commissioning as per drawings, specifications, scope of work indicated in PJS and other provisions of Contract document and instructions of Engineer-in-charge.

Dia 125mm

Note : The quantities indicated above against all individual item are tentative and may vary considerably depending upon site condition, methodology adopted as per site requirement with due approval of Owner/ Consultants.

Vichitra Constructions Pvt Ltd

MAS CONSTRUCTIONS

KRITA ENGINEERING PVT LTD

Vichitra Constructions Pvt Ltd

MAS CONSTRUCTIONS

KRITA ENGINEERING PVT LTD

Vichitra Constructions Pvt Ltd

MAS CONSTRUCTIONS

KRITA ENGINEERING PVT LTD