Proposed Subway at KM 13/106 ( 26.50 X 8.00 M X 5.50 M) in lieu off existing LC No. 18 between NCJ-CAPE Railway stations.

A-Items of works covered under Southern Railway USSOR 2021 32976220.46 Below/P

B-Items of works covered under DSR 2023 30868255.31 Below/P

C-List of items of works that are not covered by the USSOR 2021 and

A1-Items of works covered under Southern Railway USSOR 2021 3667554.72 Below/P

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

A2-Items of works covered under Southern Railway DSR 2023 29722381.50 Below/P

Item Breakup - A-Items of works covered under Southern Railway USSOR 2021

Conducting standard penetration test Each as per IS:2131 at approximate1.5m intervals in bore holes, as directed by the Engineer in charge Conducting laboratory Tests on collected soil samples as per relevant IS code

Moisture Content/Dry Density

Atterberg Limits

Specific Gravity

Grain Hydrometer analysis 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. THIRUVANANTHAPURAM DIV-ENGG/SOUTHERN RLY

All kinds of soils Providing and laying in position Plain cement concrete of specified Nominal M i x 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 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 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. 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. THIRUVANANTHAPURAM DIV-ENGG/SOUTHERN RLY

Wing wall and Return wall

Providing and laying Plain Cement cum Concrete 1:3:6 with graded stone aggregate of 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 and fixing Weep Holes in Metre 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.

P r o v i d i n g and 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. 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 at the stage of Mix Design and in that case deduction shall be made as per relevant item.

Providing and applying two coats of Sqm 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, 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 THIRUVANANTHAPURAM DIV-ENGG/SOUTHERN RLY

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

Casting and installation of single/twin cum RCC box of all sizes with or without common web section after supporting the track on temporary girders including design of pushing scheme, thrust bed, casting of all RCC components, with specified grade of controlled concrete, pushing it in correct position and alignment below Railway track/Road following all measures of track safety by 'Air pushing technique" as per approved drawings/scheme, in all types of soils with disposal of surplus earth away from vent up to 1 Km, fixing arrangement for all services & utilities including parapet walls on both sides, wearing course, foot paths, plaques, drainage arrangements etc. and all other incidental works to complete the ROB/RUB/Canal crossing in all respect as per specifications to the satisfaction of Engineer-in-Charge. N o t e : (1) The rate includes all items of work/supplies for complete job in all respects except "cost of Reinforced cement concrete, cement, reinforcement & shuttering" of (i) main RCC Box; (ii) Thrust Bed; (iii) Footpath (iv) Parapet wall and (v) wearing Course only, which shall be paid extra under relevant items of USSOR. (2) The CC Cribs as required and Temporary Girder shall be supplied by Railways at available location. (3) Transportation of Temporary Girder to site shall be paid separately under relevant item.. (4) The payment for this item shall be made for the clear inner cross section area of the parent RCC Box/Boxes and barrel length i.e. clear inner volume of parent RCC Box/Boxes.

Providing and laying Filter Material as cum per RDSO Specifications underneath pitching in slopes complete as per drawing and Technical Specification.

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 charge in case loose slush is encountered at site of foundation before casting the foundation or laying the filtering media. THIRUVANANTHAPURAM DIV-ENGG/SOUTHERN 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 be Hour done for Horse power of pump multiplied by pumping hours.

Manufacture of flared portion of Guard Set Rail by cutting and bending to required shape & RDSO's approved drawings. Note: (1) Rails shall be supplied by Railways. (2) One set consists of two rails i.e. both left and right.

Drilling holes 25mm to 40mm dia. with Each drill twist in the foot of guard rails for fixing guard rails on bridge as directed.

Drilling of 25mm to 40mm dia. holes in Each PSC sleepers with suitable rotary hammer / drilling machine at indicated location for fixing of guard rails on bridges & its approaches as per approved drawing and fixing of contractor's HDPE dowels and adhesive of approved quality to Drawing no. RDSO/T-3002, procured from RDSO's approved sources with contractor's materials and consumable. 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. 25 022011(022020) Extra over item nos. 022011 to 022014 cum 25.00 46.52 1163.00 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 26782855.18 Item- 2 SW_11 Temporary arrangements. THIRUVANANTHAPURAM DIV-ENGG/SOUTHERN RLY S No. Item No Description of Item Unit Qty Rate Amount

Driving rails 90R/52 Kg section below Metre average ground level within the slope/toe of embankment including making of nose with contractor's own arrangement complete in all respect Note: Payment will be made as per actual driven length of rail which will be supplied free by Railways at the site of work.

Shoring with 'Z' section MS sheet piles Sqm side by side in all kinds of soil mechanically or manually as per approved drawing with contractor's own arrangement complete in all respects and removal of sheet piles after completion of the work as directed by engineer in-charge Note: Payment will be made as per actual driven length of pile. Loading, transportation of Precast RCC Girders / Slabs / Ballast retainers / Steel Girders etc. from Casting Yard to Site of Work, unloading and stacking at site of work at prescribed location as directed by Engineer-in-Charge up to 60 kms.

Above 40 km up to 60 km Loading, transportation of Precast RCC Girders / Slabs / Ballast retainers / Steel Girders etc. from Casting Yard to Site of Work, unloading and stacking at site of work at prescribed location as directed by Engineer-in-Charge above 60 kms.

Above 60 km up to 80 km

Above 100 km up to 150 km Providing road crane of specified lifting capacity with specified jib length revolving type for material handling, assembly & erection of girders/slab/RCC Box etc.

250 MT capacity First or Second Through Packing of track of all sleeper density including giving a general lift, as desired to eliminate sag after Deep Screening work, lifting of track, lowering of track and major realignment of curves and formation rehabilitation as per procedure prescribed in latest edition of IRPWM. Note: General lift is normally 25 mm and isolated lift may be up to 50 mm.

For PSC Sleeper Track with Sleeper TRM Density of 1540 Third or subsequent Through Packing of track for all sleeper density including picking of slacks, as required after second through packing, subsequent to Deep Screening work as per procedure prescribed in latest edition of IRPWM. This item can also be used after lifting/regrading/realignment works also. Note: General lift is normally 25 mm and isolated lift may be up to 50 mm. THIRUVANANTHAPURAM DIV-ENGG/SOUTHERN RLY

For PSC Sleeper Track with Sleeper TRM Density of 1540 Quick cutting with abrasive rail cutter of all types of rail sections including wear 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 Loading of rails of any section and length up to 1 3 metres in Wagons / Truck / trailer including lead up to 50 metres and lift up to 5 metres.

I n Wagon where mechanical handling MT is possible a n d traffic block is not required or in Truck/trailer. Unloading of rails of any section and length up to 13 metre, in neat manner for Railway usage from departmental material train (DMT) or contractor's / Railway's Truck/trailer including lead up to 50 metre, lift up to 5 metre and stacking in prescribed manner.

From handling is possible and traffic block is not required or in Truck / trailer. Loading, leading and unloading of all types of P.Way fittings and all other miscellaneous material except Rails, sleepers, switches, crossings, SEJs and Glued Joints by road vehicles for different leads. Note: Lead shall be the shortest motorable road length between the points of loading and unloading.

Lead beyond 10 Km and up to 20 km

Lead beyond 20 Km and up to 30 km

Lead beyond 30 Km and up to 50 km Transportation of Rails, sleepers, switches, crossings, SEJs and Glued Joints by road vehicles for different leads. Note: 1 . Lead shall be the shortest motorable road length between the points of loading and unloading. 2. Loading and unloading shall be paid extra under relevant items.

Lead beyond 30 Km and up to 50 km

Lead beyond 50 Km and up to 100 Km MT THIRUVANANTHAPURAM DIV-ENGG/SOUTHERN RLY

Fabrication bending/machining and fixing of check rails of all rail sections over PSC Sleepers as per Railway's approved drawings & specifications for level crossings / trolley paths/inspection lines in yards duly cutting rail flanges, wherever required to correct alignment and level, drilling of holes with machine in check rails and fixing to Running rail and sleepers with all Railway's fittings, e.g. rail screws / grip expansion bolts, brackets, packing pieces, bolts, washers etc including grinding of brackets if required, fixing of Railway's wooden blocks at flare ends duly cutting and plaining, crossing of tracks and as directed by the engineer in-charge Note: 1. Drilling of holes in PSC Sleeper and fixing of dowels shall be paid under relevant item. 2. Required P.Way materials will be supplied at SSE/P.Way stores.

Drilling holes 25mm to 40mm dia. with Each drill twist in the foot of guard rails for fixing guard rails on bridge as directed.

Drilling of 25mm to 40mm dia. holes in Each PSC sleepers with suitable rotary hammer / drilling machine at indicated location for fixing of guard rails on bridges & its approaches as per approved drawing and fixing of contractor's HDPE dowels and adhesive of approved quality to Drawing no. RDSO/T-3002, procured from RDSO's approved sources with contractor's materials and consumable. 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

Supplying and filling 50 kg size empty Each cement polythene bags with Rly. Ballast/moorum/earth/Sand/quarry dust etc. placing the filled bags on the high banks /bridge approaches/nominated place etc. dumping and spreading at the nominated locations to profile under block period with all contractor's labour, tools, plants, loading, unloading, filling, spreading including all lead/lift etc. complete and as directed by the Engineer in charge at site including crossing of track where necessary. Total 1189169.98

Item Breakup - B-Items of works covered under DSR 2023

nominal size derived from natural sources) 4.1.5 1:3:6 (1 Cement : 3 coarse sand (zone- cum 293 7294.7 2137347.1 III) derived from natural sources : 6 4 graded stone aggregate 20 mm nominal size derived from natural sources) 5.0 REINFORCEMENT CEMENT CONCRETE 5.9S FORM WORK Centering and shuttering including 5.9 strutting, propping etc. and removal of form for 5.9.2 Walls (any thickness) including Sqm 2500 842.5 2106250 5 attached pilasters, buttresses, plinth and string courses etc. 5.9.6 Columns, Pillars, Piers, Abutments, Sqm 289 961.3 277815.7 6 Posts and Struts 5.33S DESIGN MIX CONCRETE Providing and laying in position ready mixed or site batched design mix cement concrete for reinforced cement concrete work; using coarse aggregate and fine aggregate derived from natural sources, Portland Pozzolana / Ordinary Portland /Portland Slag cement, admixtures in recommended proportions as per IS: 9103 to 5.33 accelerate / retard setting of concrete, to improve durability and workability without impairing strength; including pumping of concrete to site of laying, c u r i n g , carriage for all leads; but excluding the cost of centering, shuttering, finishing and reinforcement as per direction of the engineer-in- charge, for the following grades of concrete.: 5.33.1 All works upto plinth level 5.33.1.1 Concrete of M25 grade with minimum cum 400 9504.75 3801900 7 cement content of 330 kg /cum THIRUVANANTHAPURAM DIV-ENGG/SOUTHERN RLY 5.33.1.2 Concrete of M30 grade with minimum cum 684 9655.7 6604498.8 8 cement content of 350 kg /cum All works above plinth level upto floor V 5.33.2 level 5.33.2.2 Concrete of M30 grade with minimum cum 492 10011.35 4925584.2 9 cement content of 350 kg /cum 6.0 MASONRY WORK 6.1S General Brick work with common burnt clay F.P.S. (non modular) bricks of class 6.1 designation 7.5 in foundation and plinth in: 6.1.2 Cement mortar 1:6 (1 cement : 6 cum 47 7132.25 335215.75 10 coarse sand) 10.0 STEEL WORK 10.1S General 10.2 Structural steel work riveted, bolted or Kg 15500 133.7 2072350 welded in built up sections, trusses and framed work, including cutting, 11 hoisting, fixing in position and applying a priming coat of approved steel primer all complete. 10.19 Providing and fixing mild steel round Kg 1500 97.2 145800 12 holding down bolts with nuts and washer plates complete. 10.20 Providing and fixing bolts including Kg 5000 159.35 796750 13 nuts and washers complete. Steel work welded in built up sections/ framed work, including cutting, hoisting, fixing in position and applying 10.25 a priming coat of approved steel primer using structural steel etc. as required. 10.25.2 In gratings, frames, guard bar, ladder, Kg 2000 172.6 345200 14 railings, brackets, gates and similar works 12.0 ROOFING 12.1S SHEET ROOFING Providing and fixing 15 cm wide, 45 cm overall semi-circular plain G.S. sheet gutter with iron brackets 40x3mm size, 12.7 bolts, nuts and washers etc., including making necessary connections with rain water pipes complete. 12.7.1 0.80 mm thick with zinc coating not Metre 287 1029.65 295509.55 15 less than 275 gm/m2 12.37S RAIN WATER SPOUT AND PIPE THIRUVANANTHAPURAM DIV-ENGG/SOUTHERN RLY 12.50 Providing and fixing precoated Sqm 2000 738.65 1477300 galvanised iron profile sheets (size, shape and pitch of corrugation as approved by Engineer-in-charge) of total coated thickness 0.50 mm (base metal of minimum 0.45 mm thickness with total coating thickness of 0.05 mm) with zinc coating 120 grams per sqm as per IS: 277, in 240 mpa steel grade, 5-7 microns epoxy primer on both side of the sheet and polyester top coat 15-18 microns. Sheet should 16 have protective guard film of 25 microns minimum to avoid scratches during transportation and should be supplied in single length upto 12 metre or as desired by Engineer-in-charge. The sheet shall be fixed using self drilling /self tapping screws of size (5.5x 55 mm) with EPDM seal, complete upto any pitch in horizontal/ vertical or curved surfaces, excluding the cost of purlins, rafters and trusses and including cutting to size and shape wherever required. 13.0 FINISHING 13.1S CEMENT PLASTER (IN FINE SAND) 13.1 12 mm cement plaster of mix : 17 13.1.2 1:6 (1 cement: 6 fine sand) Sqm 378 333.35 126006.3 13.44S EXTERIOR FINISHING 13.50 Applying priming coat: 13.50.3 With ready mixed red oxide zinc Sqm 300 67.4 20220 chromate primer of approved brand 18 and manufacture on steel galvanised iron/ steel works Painting with synthetic enamel paint of 13.61 approved brand and manufacture to give an even shade : 19 13.61.1 Two or more coats on new work Sqm 300 155.9 46770 Wall painting with acrylic emulsion paint, having VOC (Volatile Organic Compound ) content less than 50 13.82 grams/ litre, of approved brand and manufacture, including applying additional coats wherever required, to achieve even shade and colour. 20 13.82.1 One coat Sqm 2000 92 184000 15.0 DISMANTLING AND DEMOLISHING 15.1S General Dismantling manually/ by mechanical means including stacking of serviceable material and disposal of 15.43 unserviceable material within 50 metres lead as per direction of Engineer-in-charge : 21 15.43.1 Water bound macadam road Sqm 600 217.45 130470 22 15.43.2 bituminous road Sqm 96 428.5 41136 16.0 ROAD WORK 16.49S MISCELLANEOUS THIRUVANANTHAPURAM DIV-ENGG/SOUTHERN RLY 16.61 Providing Retro-reflective regulatory Each 2 8154.35 16308.7 sign board of size 900 mm dia meter made out of 2 mm thick aluminium sheet, face to be fully covered with high intensity encapsulated lens type retro -reflective sheeting as approved by Engineer-in-charge . Letter, symbols, borders etc. will be as per IRC - 67 with required colour scheme on the boards and with the high intensity grade A. The aluminium sheet to be riveted to M.S. frame of angle iron of 23 size 40x40x4 mm. The boards will be fixed to 1 No. 50x50 mm square post made of M.S. angle 50x50x4 mm, 4 m long welded to the frame with adequate anti-theft arrangement .Sheet work to be painted with two or more coats of synthetic enamel paint over an under coat (primer) and back side of aluminium sheet to be painted with two or more coats of epoxy paint including appropriate priming coat complete in all respects as per direction of Engineer-in-charge. 16.62 Providing and applying 2.5 mm thick Sqm 95 747.8 71041 road marking strips (retro- reflective) of specified shade/ colour using hot thermoplastic material by fully/ semi automatic thermoplastic paint applicator machine fitted with profile shoe, glass beads dispenser, propane 24 tank heater and profile shoe heater, driven by experienced operator on road surface including cost of material, labour, T&P, cleaning the road surface of all dirt, seals, oil, grease and foreign material etc. complete as per direction of Engineer-in-charge and accordance with applicable specifications. 16.82 Taking out existing kerb stones of all Metre 50 39.35 1967.5 types from footpath/ central verge, including removal of mortar etc., disposal of unserviceable material to 25 the dumping ground, for which payment shall be made separately and stacking of serviceable material within 50 metre lead as per direction of Engineer-in-Charge. 22.0 WATER PROOFING 22.1S General Providing and Placing in position suitable PVC water stops conforming to IS:12200 for construction/ expansion 22.4 joints between two RCC members and fixed to the reinforcement with binding wire before pouring concrete etc. complete : 22.4.1 Serrated with central bulb (225 mm Metre 200 327.65 65530 26 wide, 8-11 mm thick) Total 27815193.20 Item- 4 SW- V- Proposed Height Gauge S No. Item No Description of Item Unit Qty Rate Amount 2.0 EARTH WORK 2.1S General THIRUVANANTHAPURAM DIV-ENGG/SOUTHERN RLY Earth work in excavation by mechanical means (Hydraulic excavator)/manual means over areas (exceeding 30 cm in depth, 1.5 m in 2.6 width as well as 10 sqm on plan) including getting out and disposal of excavated earth lead upto 50 m and for all lift, as directed by Engineer-in- charge. 1 2.6.1 All kinds of soil cum 51 177.5 9052.5 4.0 CONCRETE WORK 4.1S CEMENT CONCRETE (CAST IN SITU) Providing and laying in position cement concrete of specified grade excluding 4.1 the cost of centering and shuttering - All work up to plinth level : 4.1.6 1:3:6 (1 Cement : 3 coarse sand (zone- cum 6 7178.75 43072.5 III) derived from natural sources : 6 2 graded stone aggregate 40 mm nominal size derived from natural sources) Centering and shuttering including 4.3 strutting, propping etc. and removal of form work for : 4.3.1 Foundations, footings, bases for Sqm 100 392.15 39215 3 columns 4.14S MISCELLANEOUS Providing and laying in position ready mixed or site batched design mix cement concrete for plain cement concrete work; using coarse aggregate and fine aggregate derived from natural sources, Portland Pozzolana/Ordinary Portland /Portland Slag cement, admixtures in recommended proportions as per IS: 4.20 9103 to accelerate / retard setting of concrete, to improve durability and workability without impairing strength; including pumping of concrete to site of laying, curing, carriage for all leads; but excluding the cost of centering, shuttering and finishing as per direction of the engineer-in-charge; for the following grades of concrete. 4.20.1 All works upto plinth level : 4.20.1.3 Concrete of M20 grade with minimum cum 16 9212.6 147401.6 4 cement content of 270 kg /cum 10.0 STEEL WORK 10.1S General 10.19 Providing and fixing mild steel round Kg 215 97.2 20898 5 holding down bolts with nuts and washer plates complete. 10.20 Providing and fixing bolts including Kg 6719 159.35 1070672.65 6 nuts and washers complete. 13.0 FINISHING 13.44S EXTERIOR FINISHING 13.50 Applying priming coat: 13.50.3 With ready mixed red oxide zinc Sqm 100 67.4 6740 chromate primer of approved brand 7 and manufacture on steel galvanised iron/ steel works Painting with synthetic enamel paint of 13.61 approved brand and manufacture to give an even shade : THIRUVANANTHAPURAM DIV-ENGG/SOUTHERN RLY 8 13.61.1 Two or more coats on new work Sqm 140 155.9 21826 Total 1358878.25

Item Breakup - A2-Items of works covered under Southern Railway DSR 2023