Engineering, Procurement and Construction (EPC) for "Construction of doubling work including earth work, blanketing, minor bridges, major bridges, ROBs (With dismantling of existing ROBs), LHS/RUBs, track works, platform work, station building, FOBs, other buildings and associated miscellaneous works for 25T Indian Railway Standard Loading from Kathautia station to Hazaribagh town station from Ch. 51.500KM to 81.000KM (Total- 29.50 km) in connection with the doubling of the Koderma-Arigada section in Dhanbad Division of East Central Railway.

Execution of any work not covered in schedule G, through items from NS items/USSOR-2021(for earthwork, bridge work and Track work)/CPWD DSR-2021, other required LARs, as per work orders based on requirement and instruction of Authority Engineer.

Item Breakup - B1-Earthwork

Using Soil Class SQ2 Turfing / planting, including all lead & lift and watering as required until properly rooted w i t h . Note: Initially payment of only 40% will be made. Balance 60% will be paid after 3 months of maintenance period, only if the turfing is properly rooted on entire turfed area.

Turfing with sods, 10cm thick and 100 20cm square closely laid. Sqm Providing portable fencing along running track where work is to be done in close vicinity of track, maintaining during execution of work and removing after completion of the work as per direction of the Engineer. Fencing shall consist of self supporting steel angles of size 50mm x 50mm x 6mm, 1.5m long provided with hooks etc. and embedded in CC 1:2:4 block of size 0.23m x 0.23m x 0.23m placed at c/c distance of 2m along track. 12mm dia rods in three horizontal layers shall be tack welded with angle posts. Note : Released material will be property of the contractor after completion of work. Cost of cement required for CC blocks shall be paid separately. CAO-C-SOUTH-HQ-ENGINEERING/EAST CENTRAL RLY

With provision of one 50mm wide Metre retro-reflective tape in horizontal direction, duly secured/tight with vertical posts. Total 5472297.85

Item Breakup - B2-Schedule B-2 of G1

All kinds of soils

Hard rock (requiring blasting) Providing and laying in position Plain cement concrete of specified Nominal Mix for miscellaneous works like side drains, foundation for OHE masts and other miscellaneous structures excluding the cost of Cement, centering and shuttering - All work up to plinth level :

1:1½:3 (1 Cement: 1½ coarse cum sand (zone-III) : 3 graded stone aggregate 20 mm nominal size) CAO-C-SOUTH-HQ-ENGINEERING/EAST CENTRAL RLY

Providing and laying in position cum machine batched, machine mixed and machine vibrated Cement Concrete of specified grade as per approved Design Mix (mixed in Mobile Concrete Batching/Mixing Plant at site or RMC from approved plants) using 20mm graded crushed stone aggregate and coarse sand of approved quality in RCC raft foundation & Pile cap including finishing, using Plasticiser in approved proportions (as per IS:9103), to modify workability without impairing strength and durability complete as per specifications and direction of the Engineer in c h a r g e . N o t e : 1. Payment for cement, reinforcement and shuttering shall be made extra under relevant item. 2. Plasticiser shall invariably be used in approved proportion to increase workability with minimum possible quantity of cement for all grade of Design Mix Concrete unless it is specifically approved citing reasons for not using plasticiser at the stage of Mix Design and in that case deduction shall be made as per relevant item. Providing and laying in position machine batched, machine mixed and machine vibrated Cement Concrete of specified grade as per approved Design Mix (mixed in Mobile Concrete Batching/Mixing Plant at site or RMC from approved plants) using 20mm graded crushed stone aggregate and coarse sand of approved quality for the following Reinforced cement concrete structural elements up to height of 9.0 m from foundation top level, including finishing, using Plasticiser in approved proportions (as per IS:9103), to modify workability without impairing strength and durability complete as per specifications and direction of the Engineer in c h a r g e . N o t e : 1. Payment for cement, reinforcement and shuttering shall be made extra under relevant item. 2. Plasticiser shall invariably be used in approved proportion to increase workability with minimum possible quantity of cement for all grade of Design Mix Concrete unless it is specifically approved citing reasons for not using plasticiser at the stage of Mix Design and in that case deduction shall be made as per relevant item.

Abutment & Pier

Wing wall and Return wall CAO-C-SOUTH-HQ-ENGINEERING/EAST CENTRAL RLY

Abutment Inspection Platform & Pedestal over Pier cap, Fender wall, Diaphragm wall etc.

Approach slab at formation level, cum Dirt wall/ ballast wall at formation level

Providing and fixing Weep Holes Metre in Abutments, Wing walls and Return walls etc., of new bridges with 110mm dia UPVC pipe Type A ISI marked with all contractor's men, material, transportation, all taxes as per specifications and as directed by Engineer-in-Charge.

Providing and casting machine cum batched, machine mixed and machine vibrated Cement Concrete of specified grade as per approved Design Mix, mixed in Mobile Concrete Batching/Mixing Plant at site or RMC from approved plants, (Cast in-Situ/Pre- cast) in bottom/top slab, side walls, toe wall and sumps haunch filling head walls, thrust bed or any other component using 20mm graded crushed stone aggregate and coarse sand of approved quality of RCC box of any size including finishing, Plasticiser in approved proportions (as per IS:9103), to modify workability without impairing strength and durability, complete as per drawings and technical specifications as directed by Engineer in charge. N o t e : 1. Payment for cement, reinforcement and shuttering shall be made extra under relevant item. 2. Plasticiser shall invariably be used in approved proportion to increase workability with minimum possible quantity of cement for all grade of Design Mix Concrete unless it is specifically approved citing reasons at the stage of Mix Design and in that case deduction shall be made as per relevant item. CAO-C-SOUTH-HQ-ENGINEERING/EAST CENTRAL RLY

Providing and laying in position cum machine batched, machine mixed and machine vibrated Design Mix Cement Concrete, mixed in Mobile Concrete Batching/Mixing Plant at site or RMC from approved plants, of specified grade (cast in-situ) using 20mm graded crushed stone aggregate and coarse sand of approved quality in Drop and curtain wall and alike structures below bed level, complete in all respect as per drawings and technical specifications to the satisfaction of Engineer-in-Charge. Note: Payment for cement, r e i n f o r c e m e n t and shuttering shall be made extra. Deduct if Plasticiser has not been used in Design Mix Concrete of any grade as per approved mix design or use of 40mm graded stone aggregate in place of 20mm graded stone aggregate in any grade of concrete. Note: Deduction to be made for quantity of concrete.

Deduction for not using Plasticiser cum in approved proportions (as per IS:9103) for any grade of Design Mix Concrete.

Providing and applying two coats Sqm of coal tar or bitumen confirming to IS:3117- latest version on the top and sides of RCC box/slabs @ 1.70 kg/sqm after cleaning the surface with all labour and materials complete job as directed by the Engineer. Centering and shuttering including strutting, propping etc. and removal of form for :

All types of bridge sub-structures, Sqm e.g. pier, abutment, wing wall, retaining wall, RCC box type foundations, Abutment cap, Pier Cap, Inspection Platform & Pedestal over Pier cap, Fender wall, Diaphragm wall etc. up to 5m above ground level CAO-C-SOUTH-HQ-ENGINEERING/EAST CENTRAL RLY

Supplying erecting welded and/or bolted and/or riveted steel work in built up sections, trusses and framed work, staging, racks, Height Gauge etc. for Steel Structures other than bridge girders, using RSJ, tees, angles and channels/flats, plates, gussets, round or square bars, cleats, bolts etc., with contractors own steel including cutting, bending, straightening, drilling, riveting, hoisting, fixing, erecting, welding, bolting etc., with Providing stiffeners wherever required as per approved drawing including applying a priming coat of a approved steel primer with all contractor's materials, labour, tools & plants, lead & lift including crossing of tracks if required etc., complete as per specification and as directed by Engineer-in- charge. Note: The payment shall be made on the theoretical weight of main components and gusset plates only.

Supplying of stone boulders cum weighing not less than 35 kg each at specified bridge locations.

Providing and laying Pitching with cum Stone Boulders, weighing not less than 35kg each with voids filled with spalls on slopes, laid over prepared filter media including boulder apron laid dry in front of toe of embankment complete as per drawing and Technical Specifications (filter media to be paid separately under the relevant item).

Supply and laying of coarse sand cum including consolidation with all labour, lead, lift, tools, plants, crossing of tracks as per drawing and technical specification as directed by the Engineer in c h a r g e in case loose slush is encountered at site of foundation before casting the foundation or laying the filtering media.

Providing and laying of filter cum media consisting of granular materials of GW, GP, SW groups as per IS:1498 (latest) in required profile behind boulder filling of abutments, wing walls / return walls etc. above bed level with all labour and material complete job as per drawing and technical specification of RDSO Guidelines. CAO-C-SOUTH-HQ-ENGINEERING/EAST CENTRAL RLY

Providing Boulder Backing behind cum wing wall, return wall, retaining wall with hand packed boulders & cobbles with smaller size boulders toward the back including all lead, lift, labour & other incidental charges as complete work in all respect. Payment for boulder/cobbles will be done extra. Earthwork in excavation by mechanical means (Hydraulic Excavator)/Manual Means for foundations and floors of the bridges, retaining walls etc. including setting out, dressing of sides, ramming of bottom, getting out the excavated material, back filling in layers with approved material and consolidation of the layers by ramming and watering etc. including all lift, disposal of surplus soil up to a lead of 300m, all types of shoring and strutting with all labour and material complete as per drawing and technical specification as directed by Engineer in charge. Note: This item will be used for excavation work in connection with other miscellaneous works also like side drains, foundation for OHE masts and other miscellaneous structures in connection with Gauge Conversion, Doubling, New lines. 21 022011(022020) Extra over item nos. 022011 to cum 3000.00 38.43 115290.00 022014 for executing the work under water and/or liquid mud to compensate all additional arrangements including pumping out water as required. Note: The extra percentage rate is applicable only for the quantity of work executed under water. [RATE = 20%] Total 394548960.15

Item Breakup - C1-Supply of Cement

Ordinary Portland Cement 43 MT grade approved brands/makes

Pozzolana approved brands/makes Total 147082492.05

Item Breakup - C2-Supply of Steel

Thermo-Mechanically bars of grade Fe-500D or more of approved brands/makes. Total 496521435.05

Item Breakup - D7-Road Work