Open tender for RCC Jacketing for strengthening of Bridge No. 24(span 1X3.00m), Bridge No. 31(span 1X3.30m),Bridge No. 33(span 1X4.60m) & Bridge No. 42 UP & DN (span 1X3.60m)in ULT-PKA section in the jurisdiction of AEN/II/ASN under Sr.DEN/1/ASN.

Item Breakup - B-Overall percentage Above/Below/At par on assessed cost of Schedule-B

Item Breakup - B1-Overall percentage Above/Below/At par on assessed cost of Schedule-B1

In hard rock with hammer / chisel / cum pavement breaker etc. where blasting is not permitted due to special circumstances and if specifically ordered in writing including drilling and all incidental works thereto.

Cleaning out silt from bed of cum reservoir/canals including 50m lead and lift up to 1.5m. 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.

All kinds of soils ASANSOL DIVISION-ENGINEERING/EASTERN RLY Providing and laying in position Plain cement concrete of specified Nominal Mix f o r 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 sand cum (zone-III) : 3 graded stone aggregate 20 mm nominal size) P r o v i d i n g 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 charge. Note: 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.

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

Extra for every increase of 1m or part cum thereof in the height above 9.0 m Centering and shuttering including strutting, propping etc. and removal of form for :

All types of bridge sub-structures, e.g. Sqm 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

All types of bridge super-structures, Sqm e.g. slabs, I-girders, T-girders, Box girders etc. up to 5m above ground level.

Extra for additional height over item Sqm no. 025031 & 025032 wherever required with adequate bracing, propping etc. over initial height of 5 metres for every additional height of 1 metre or part thereof. ASANSOL DIVISION-ENGINEERING/EASTERN RLY

P r o v i d i n g 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 using 20mm graded crushed stone aggregate and coarse sand of approved quality in jacketing of piers and abutments from bottom of foundation up to a height of 10m for designed thickness of jacketing 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 charge. N o t e : 1. Payment for cement, reinforcement and shuttering shall be paid extra under relevant item. 2. Plasticizer 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 plasticisers at the stage of Mix Design and in that case deduction shall be made as per relevant item. Extra over 025040 for drilling of holes and insertion of dowel bars in case of Jacketing

Extra for drilling 32mm dia. holes for Metre jacketing / anchoring

Extra for inserting of dowel bars of Metre specified dia. (cost of rods to be paid extra) Supply and using Cement at Worksite

Pozzolana Portland Cement approved MT brands/makes Supply of steel reinforcement of approved brands/makes for R.C.C. work including straightening, cutting, bending, placing in position and binding all complete.

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

Providing and laying boulders apron cum on river bed for protection against scour with stone boulders weighing not less than 35 kg each with voids filled with spalls complete as per drawing and Technical Specification.

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). ASANSOL DIVISION-ENGINEERING/EASTERN RLY

Cleaning Surface of Abutment and Sqm Piers up to bed level under water with brush or any other tools to remove all traces of moss, loose materials, fungus, algae, vegetation growth etc. Cleaning shall be carried out with contractor's trained staff, tools & plants, safety equipments etc. complete job including arranging safe approach.

Providing and laying flooring with cum rubble stone, laid over 15cm thick CC 1:2:4 and the voids filled with CC 1:2:4 complete with the joints pointed with 1:2 Cement Sand mortar as per drawing and Technical specifications. Payment for cement to be done separately. Voids in the rubble stone to be taken as 35% of the gross volume of the stone layer. Note: Base concrete shall be paid extra under relevant item.

Providing and laying 300mm thick cum (average) Dry Stone flooring with boulders of not less than 35kg each in weight, hand packed with surface levelled off to the correct section with hammer dressing as necessary on the ground including filling the gaps with quarry spalls and ordinary sand complete including cost of supply of all materials, labour, lead, lift, tools, plants, crossing of tracks and the like as per drawing and technical specification as directed by Engineer in charge.

Supply and laying of quarry dust cum including consolidation, supply of all materials, labour, lead, lift, tools, plants, crossing of tracks as per drawing and technical specification as directed by the Engineer in charge in case loose slush is encountered at site of foundation before casting the foundation or laying the filtering media.

Providing and inserting nipples of size Each 12 to 20 mm dia. with approved fixing compound after drilling holes for grouting as per Technical Specifications including subsequent cutting/removal and sealing of the hole as necessary after completion of grouting.

Providing weep holes by making Metre suitable opening or drilling in existing Brick Masonry / Plain / Reinforced Concrete abutment, wing wall/return wall with 110 mm dia UPVC pipe (working pressure 4kg/sqcm) extending through the full width of the structure complete and repairing the same with cement mortar 1:2 (1 cement : 2 coarse sand). Rate is excluding the cost of cement which shall be paid extra. ASANSOL DIVISION-ENGINEERING/EASTERN RLY

Providing cast in situ bridge number Each plaques as per Railway drawing in cement concrete 1:2:4 mix using 20mm hard stone aggregate embedded in 30mm notch in Bridge parapet coping duly engraving the letter and figures and an arrow indicating the direction of flow and finishing the top exposed surface with cement mortar 1:3, painting letters and figures with two coats of black enamel paint on two coats of white background with all labour, tools, cement, paint etc. with all leads and lifts.

Dewatering of natural or accumulated HP water from any location. Payment to Hour be done for Horse power of pump multiplied by pumping hours.

Cess repair/widening work as per cum RDSO Specifications and guidelines RDSO/2020/GE: IRS-0004 or latest in running line with suitable soil to the designed profile The work shall include uprooting and disposing of all the vegetation, benching at every 30 Cm vertical height, earthwork in benching portion and compaction using suitable slope vibratory Rollers/Compactors etc. to achieve prescribed MDD. Note: 1. Payment of cess repairs shall be based on the quantities worked out from the cross sectional calculations only and worked out from the initial ground levels before doing benching and final levels as done for new embankment. The earth work in benching portion shall not be paid extra as the same has been included in the rate. 2. The earth work shall be started only after Completing of the benching and certified. 3. The benching Work shall be done for a maximum height of 1.50 m at any time based on the progress of earthwork starting from toe of the embankment. Hiring of machinery for minor miscellaneous works for short duration i n c l u d i n g operator/driver, fuel, lubricants and consumable. The contractor shall arrange all statutory permits as required by rules and regulations prevailing in the area of work. Payment shall be made for actual working hours at site.

JCB Backhoe Loaders 3DX Plus or Hour similar with minimum 1.10 cum bucket capacity ASANSOL DIVISION-ENGINEERING/EASTERN RLY 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. 27 022011(022020) Extra over item nos. 022011 to cum 300.00 42.07 12621.00 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 53611916.17

B-Overall percentage Above/Below/At par on assessed cost of Schedule-

B1-Overall percentage Above/Below/At par on assessed cost of