South East Central Railway Tender

Centering and shuttering including strutting, propping etc. and removal of form for : All types of bridge sub-structures, 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

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 5 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

Supply and using Cement at Worksite Ordinary Portland Cement 53 grade of approved brands/makes

Providing and applying two coats 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.

Providing and laying in position 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 8 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, reinforcement and shuttering shall be made extra.

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 grade Fe- 500D or more of approved brands/makes.

Supplying, spreading and filling coarse sand (no cohesive materials to be used) of approved quality 10 including watering and ramming in foundation, behind the abutment, wing wall, retaining wall in layers not exceeding 150mm thick including its compaction as per direction of Engineer-in-charge. The rate includes all lead, lift, ascent, descent, crossing of Railway line etc. complete with contractor's labour, materials, tools and plant.

Exploratory drilling of boreholes down to required depth, drilling of 150mm dia. boreholes in all type 11 of soils except hard rock & large boulders (boulder core more than 30cm) including refilling, reinstating surface and disposing off surplus material including use of mechanical rigs with power operated winches as well as percussion/chiselling tool for advancing through occasional seams of hard strata to be employed, where necessary in Dry area. 0m to 10m

Providing and laying Pitching with Stone Boulders, weighing not less than 35kg each with voids 12 filled with cement sand mortar 1:4 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). Rate is excluding cost of cement which shall be paid extra under relevant item.

Providing and laying flooring with rubble stone, laid over 15cm thick CC 1:2:4 and the voids filled 13 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 Plain Cement Concrete 1:3:6 with graded stone aggregate of 40mm nominal 14 size, in foundation and floors, retaining walls of bridges including mechanical mixing, vibrating, pumping and bailing out water where ever required with all materials and labour complete but excluding the cost of cement and shuttering as per drawings and technical specifications as directed by Engineer.

Providing weep holes by making suitable opening or drilling in existing Brick Masonry / Plain / 15 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.

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 16 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 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.

Pre, during, and post BCM works for deep screening of ballast in Points and crossings with all contractor's labour, tools and plants as required to carry out the work to the standards in specific time including crossing of tracks etc. complete and as directed by the Engineer - in - charge. I. Pre-BCM Operation : a) making trenches for insertion of cutter bars at various locations as per the directions of engineer in charge. i.e.., one trench ahead of one rail length from SRJ and second trench near sleeper No 62 ( 1in 12) etc., b) Filling up ballast up to sleeper level. c) Tightening of fittings/ plate screws, ERCs, Stud bolts, check rail bolts. II. During BCM Operation : a) Assistance to S&T Department : Opening of cables at approach of Points & Crossings, TLD Boxes/ removing of Point motor and refixing the same and covering cables after passing of BCM in block period with S&T Staff. b) Engineering : c) Removing of two long sleepers i.e.., sleeper No 3 & 4 and refixing the same in position during block after passage of BCM. d) Removing obstruction i.e.., S&T CC block duly digging with crow bars and 17 breaking with chisel/ hammer, cutting of rail pegs with gas. e) To remove, excess ballast on rail table for free movement of BCM and for packing purpose. f) Extension of cutter bar wherever required in assisting machine staff. g) Removing of cutter bar/ Chain links from the trenches after screening work by BCM. III . Post BCM Operation : a) Packing switch portion including Motor long sleeper i.e.., SRJ to heel joint to reset Point for train movement & initial packing of lead portion to allow train at 20KMPH and lifting the track in two stages (50mm to 75mm in each lift) wherever required for correcting the longitudinal surfacing b) Dumping of ballast in the deficient portion in crib, on main line turnout side for initial packing purpose. c) Boxing / Levelling of muck duly ensuring levelling of muck on cess side and lowering of cess to the deep screened depth and removing of muck in between the lines and leading up to 250mts. Note: 1. For technical reasons, some of the points and crossings cannot be deep screened either fully or partially by BCM, in which case, the left over length will be deep screening manually. 2. The length of points and crossings assembly for payment of this item should be taken from SRJ to longest concrete sleeper available just beyond heel of crossing along main line.

Carrying out various works during operation of BCM, like filling up of ballast at deficient location 18 from locations where ballast is excess or from adjoining tracks, required initial packing, adjustment of PSC Sleepers, provision wooden blocks supplied by department and attending track parameters etc. complete so as to make track fit for 20 kmph speed.

Removal of screened muck discharged by BCM, where muck disposal on side slope is restricted 19 due to platform, cutting, OHE mast etc. and disposing it beyond 5m from edge of cutting up to 3m deep or alternatively carting it up to 50m for disposing off beyond the end of cutting / platform and making up cess wherever low.

Carrying out pre-tamping, during tamping and post-tamping work for tamping track with all types of rails, sleepers & sleeper density by various Track Tamping machines, like CSM,DUO/3X Machines which include : (1) Re-adjustment of ballast, heaping-up of ballast, filling-up of cavities in tamping zone by picking ballast from stacks / shoulders / crib of adjoining track up to lead of 50 m to ensure effective packing; (2) Clearing of ballast on sleepers to make them visible to operator, (3) Clearing of ballast over rail foot to facilitate holding of rail by rollers of TTRM; (4) Digging, screening and replenishment of ballast at mud pumping / rounded ballast in sleeper crib location; (5) Tightening of loose fittings immediately before & after tamping; (6) Replacement of broken / missing 20 fittings supplied by Railway; (7) Correcting displaced sleepers to position along with squaring; (8) Re-setting of worked-out / fallen fittings. (9) Removing and re-fixing joggled fish plates & wooden blocks, wherever necessary; (10) Manual consolidation of ballast in crib / shoulders; (11) Removing and refixing of traction bonds during the block in electrified sections (12) Dressing of ballast Note: 1. Tamping blocks are not identical & it may be given at any time either during day or night. 2. Stages of payment a) 30% of the rate will be paid on completion of pre tamping attention, b) Balance 70% of the rate will be paid on completion of post tamping. 3. Recovery at the rate of twice the above applicable rate will be effected in case contractor fails to carry out pre/during/post operation. 4.Payment shall be made only once in irrespective of numbers of TTRM packing round and after restoration of normal speed and restoration of complete ballast profile. For night time block working

De-stressing of LWR/CWR track of any density under traffic line block with contractor's labours, tools, equipments and consumables inclusive of all lead & lift. Activities include cutting of LWR/CWR into convenient panels of specified length, removal of ERCs, liners, greasing of ERCs and liner contact area, lifting rails and keeping them on rollers provided at every 15 sleepers, working out elongation of rail ends depending on 21 prevailing site conditions, pulling rails with the help of Hydraulic Tensor to achieve the desired elongation, cutting rails, as required, removing rollers and placing rail in position, re-fixing ERCs & liners and adjustment of gap at SEJs : Note: (1) Welding of rail joints will be paid separately. (2) Rail cutting and Hole drilling shall be paid separately. (3) Opening and closing of LC if required will be paid separately. (4) As per procedure prescribed in latest edition of IRPWM & CE's Circulars for destressing of LWR/CWR, if any. With Contractor's Hydraulic Rail tensor

Lifting and packing for regrading the existing PSC sleeper track to required height / level in stages not exceeding 75mm or part thereof at a time, providing permissible ramp for the track, insertion of moorum / 23 sand / stone ballast uniformly under the existing track and placing the same to safe approved gradient, gauge, cushion including levelling and one round of through packing to allow train movement at restricted speed of 30 kmph for a specified length with all leads & lifts and fixing, marking, painting rail level pegs at every 30m interval. Note: Lifting of track shall be done in stages as per procedure prescribed in latest edition of IRPWM to get the proposed final level as per approved working profile, as directed by Engineer in-charge.

Extra for additional lift over 75mm for every 50mm lift or part thereof up to 275mm for item nos. 083010 for each TRM.

Providing lighting arrangements with halogen lamps on and around machine during machine working in night time blocks, with contractor's generator, consumables, all necessary electrical fittings, operators 25 etc. Note: 1. Lighting arrangement is to be provided as per advance planning of Night Blocks and written communication. 2. In case lighting arrangement is made available but not used due to non-availability of block, payment @ 60% of the item rate shall be made. 3. In place of Halogen, LED lamps of equal lumen capacity may be used with the approval of Engineer -in-Charge. 4. If lighting arrangement fails during block, recovery shall be made twice the rate per day. CSM / DUO / 3X with or without DGS (7.5 KVA generator and 8x500 W)

DISMANTLING AND DEMOLISHING // Demolishing cement concrete manually/ by mechanical means including disposal of material within 50 metres lead as per direction of Engineer - in - charge. // Nominal concrete 1:3:6 or richer mix (i/c equivalent design mix) 16.3.10 90.00 cum 888.30 79947.00 1.16 80874.39

ROAD WORK // ROADS // Supplying and stacking at site. // Moorum

EARTH WORK // Diluting and injecting chemical emulsion for POST-CONSTRUCTIONAL anti- termite treatment (excluding the cost of chemical emulsion) : // Filling with available fly ash and earth (excluding 3 rock) in trenches or embankment in layers (each layer should not exceed 15 cm), with intermediate layer of compacted earth (Soil density of 98%) after every four layers of compacted depth of fly ash, sides & top layer of filling shall be done with earth having total minimum compacted thickness 30 cm or as decided by Engineer -in- charge, including compacting each layer by rolling/ ramming and watering, all complete as per drawing and direction of Engineer -in - charge.

Launching of Railway's relieving girder of overall length from 12.00 to 22.00 meter after removing track ballast, excavation earth on properly prepared wooden / cc cribs supports as per the approved scheme of 1 launching, Railway drawing and specifications, by contractor's own tools, plants, machines, labour, equipments etc. The work includes fixing of track i.e. wooden sleepers and rails to railway specifications and standards on the relieving girder and necessary adjustments in the longitudinal and cross levels after insertion of the relieving girder in track to maintain safety of trains on the relieving girder and it approaches.

Delaunching of Railway's 12.00 to 22.00 meter long relieving girder from bridges and stacking at 2 bride approach with contractor's labour, trailer, cranes, derricks, tools and plants, equipment, consumables etc. complete as per specifications, special condition and detailed scope of work furnished in the tender and as directed by the Engineer - In Charge. Note: 1) Dismantling of the overlaying track shall be paid through other relevant item. 2) Each girder consists of two cross braced lengths.

Removing of existing track including removing rails, sleepers and ballast with all contractor's materials, tools, plants and labours. This work is to be to carried out during traffic block for each bridge. (BG)

Laying of track on newly laid box including filling of ballast, laying of PSC sleepers, rails, lifting and packing of track to met out longitudinal alignment, gauge, level of approaches to make track fit for 20KMPH. (BG)

Erection /Assembly of fabricated steel structure with all contractors labours scaffolding , tool , plants, including provision of service bolts and drilling holes as per requirement in existing members for erection as directed by Engeer incharge.

Dismantling / de-assembling of steel work on bridge without damaging any component of the spans.

Providing & Casting of precast RCC box segment of Grade M-30/35 at suitable locations as per approved drawing with 20mm crushed stone aggregate including formwork, shuttering, staging, mixing, placing, 7 vibrating, cutting, bending & biding of reinforcement with contractors annealed galvanized binding wire of 16 SWG, labour & all incidental charges (staging, shuttering, cutting, cranking & binding of reinforcement shall be done as per specification, approved drawing & direction of Engineer-in-charge including all materials, including cost of cement, all tools & plants, equipment, lead & lift, loading, unloading etc. complete as directed by Engineerin- charge and transporting to bridge site. (Excluding cost of steel).

Supplying, providing, laying & fixing 5mm thick concrete canvas (flexible concrete impregnated fabric that hardens when hydrated to form a thin, durable water proof and fire resistance concrete layer within 24 hours) in the joint of RCC box segments of the small opening bridges on Main / Branch line and subway/limited height box subway and other required works under SEC Railway, Nagpur division Note : 1) Contractor shall submit 8 all relevant test certificates of the material. 2) The adopted rates are deemed to include all taxes (GST) (direct & indirect), royalty, octroi etc. of central government /state government / local body etc. and all the incidental charges. 3) Mass or unset concrete canvas should be 7 kg / sqm. and density (unset) should be 1500 kg /m3. 4) The rate includes all the cost of lead, lift, loading, unloading all type of transportation, ascent, descent crossing of railway track, road, Nullah wherever required and execution under traffic block with all contractor's labour, material to complete in all respect. 5) The work to be executed as parallel activity during launching of segmental boxes for bridges / LHS under traffic block. Running

Twisted steel / deformed bars Gr. Fe 500 (TMT Bars or HYSD Bars.) over 12mm dia.