South East Central Railway Tender

Centering and shuttering including strutting, propping etc. and removal of form for : All types of bridge super-structures, e.g. slabs, I-girders, T-girders, Box girders etc. up to 5m above ground level.

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.

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 6 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

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 7 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, reinforcement and shuttering shall be made extra.

Supplying, spreading and filling coarse sand (no cohesive materials to be used) of 8 approved quality 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.

Providing and laying flooring with rubble stone, laid over 15cm thick CC 1:2:4 and the 9 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 Plain Cement Concrete 1:3:6 with graded stone aggregate of 10 40mm nominal 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 / 11 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.

Providing and laying Pitching with Stone Boulders, weighing not less than 35kg each 12 with voids 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.

Exploratory drilling of boreholes down to required depth, drilling of 150mm dia. 13 boreholes in all type 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

Centering and shuttering including strutting, propping etc. and removal of form for : 14 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

Cess repair/widening work as per RDSO Specifications and guidelines RDSO/2020/GE: 15 IRS-0004 or latest in running line with suitable soil to the designed profile The work shall includeuprooting 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.

Carrying out preparatory works for operation of Ballast Cleaning Machine (BCM) which 16 includes making trench in track for inserting cutter bar, supporting track on wooden block supplied by Railway, removal of ballast along with muck from shoulder which is out of reach of cutter chain and putting the same in cutting width or between rails. Rate includes all miscellaneous works, e.g. opening and re-fixing of joggled fish plates, OHE Bonds, dismantling & removing obstructions etc.

Carrying out various works during operation of BCM, like filling up of ballast at 17 deficient location 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 18 restricted 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 19 broken / missing 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

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 etc. Note: 1. Lighting arrangement is to be provided as per advance 20 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)

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 21 elongation of rail ends depending on 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

Quick cutting with abrasive rail cutter of all types of rail sections including wear 22 resistant, head hardened rails up to 110 UTS, with contractors tools & plants, equipment, consumable with all lead & lift etc. complete as directed by Engineer in-charge. Abrasive Rail Cutter will be as per RDSO Specification No. TM/SM/1 (Rev. 01 of 2012) with latest status of RDSO; Rail Cutting Wheel Abrasive Disc will be as per RDSO Specification No.TM/SM/2 (Rev. 01 of 2020) 60 Kg - 110/90 UTS - On Running Line

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 / sand / stone ballast uniformly under the existing track and placing the 23 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.

Placement of precast RCC segmental box or base slab etc. with the help of road crane at desired location carefully during traffic and power block with all contractor's labours, tools and 1 materials, crane, machinery, preparation of base as directed by Engineer-in-charge including filling of joints of box segment by epoxy mortar including cost of epoxy mortor. The rate is also inclusive of supplying & laying minimum 150mm thick layer of sand (average) & up to the required level as per site condition below the base slabs so as to ensure proper levelling before placing of base slabs.

Placement of precast RCC segmental box / return wall / base slab etc. with the help of road crane at desired location carefully without traffic and power block with all contractor's labours, 2 tools and materials, crane, machinery, preparation of base as directed by Engineer-incharge including filling of joints by epoxy mortar including cost of epoxy mortor. The rate is also inclusive of supplying & laying minimum 150mm thick layer of sand (average) & up to the required level as per site condition below the base slabs so as to ensure proper levelling before placing of base slabs.

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.

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.

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 TMR- TRDI line and subway/limited height box subway and other required works under SEC Railway, Nagpur division Note : 1) Contractor shall submit all relevant test certificates of the material. 2) The 5 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 of 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.

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) 2

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 3 earth (excluding 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.