Annual Maintenance Contract of Bridges and Allied Structures Under the Jurisdiction of CGM/PRYJ

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

Applying epoxy mortar over leached, honey combed and spalled concrete surface and exposed steel reinforcement complete as per Technical Specification with average thickness of 10mm including priming coat, mortar plaster and seal coat of epoxy.

Grouting of masonry/concrete by injection process duly Sealing of cracks, through 3 nipples complete as per Technical Specification and procedure given in IRBM Para No 209 including necessary admixture. Payment shall be as per use of cement by weight in case of neat cement/cement mortar grouting and weight of Epoxy in case of Epoxy Grouting. (Cement will be paid extra). 052071Neat Cement Grout with 20% anti shrinkage compound w.r.t. cement.

052073Epoxy Grout

Painting the HFL mark and Danger level mark, year of HFL on bridge abutments and piers with ready mixed paint as per standard in two coats over one coat of primer with all materials, labour, tools, scaffolding, all lead and lift etc. including writing complete.

Painting 2 coats to Bridge Reference / Boards, Structures etc. along track with enamel paint of approved make with different colours & letters, as directed by Engineer in-charge. 137101Bridge Board

Bridge Height Gauge

HFL, FSL & DL on Bridge Pier / Abutment

Manufacture of flared portion of Guard 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.

Providing and fixing of flared portion of guard rails of any rail section over PSC sleepers including fixing of with all fittings, including leading of rails and fittings, squaring and 11 adjusting spacing of sleepers as required, providing nose blocks duly cutting wooden blocks supplied by railways and fixing it with bolts of 16mm dia as directed complete and finished as per RDSO's approved drawing. Note 1.One set consists of LH & RH side rails of one end. 2.Required P.Way fittings will be supplied at SSE stores depot.

Clearing waterway of major & minor bridges by removing weeds / shrubs / bushes, 12 removing silt deposit, filling scours, if any up to 10 metre from centre of bridge on either side including disposing waste and silt away from waterway. Note: Rate is for a single line and per metre of bridge span.

Supplying fabricating and 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 13 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 and fixing HSFG bolts of any dia and any length with suitable nuts including DTI washers conforming to IRS-B1-2001 for bridges and steel structures with contractors labour, tools and plants and lead and lift etc., complete.

Ordinary Portland Cement 43 grade approved brands/makes

Providing and laying Pitching with Stone Boulders, weighing not less than 35kg each 16 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).

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

Design, manufacturing, supplying and fixing in position elastomeric bearing true to line and level conforming to IS:3400, IS:226, BS-5400 under prestressed concrete girders/ Steel Girders, for Pre-cast as well as cast-in-situ girders as per approved drawing. The rate shall include 18 cost of load test of one no. bearing from Railway approved firms and all fixing materials, equipments, machineries, labour, taxes, loading, unloading, leading, lifting etc. complete. Rates include getting the drawing approved from Railway and cost of inspection during manufacturing from railway approved organization. Note : 1. The rate is for finished item complete and paid only after fixing in position below the girder. 2. The volume shall be as given in the drawing

Design, supply, fitting and fixing in position true to line and level POTPTFE bearing of 250 MT Capacity, consisting of a metal piston supported by a disc or un reinforced elastomer confined within a metal cylinder, sealing rings, dust seals, PTFE surface sliding against stainless 19 steel mating surface, complete assembly to be of cast steel/ fabricated structural steel, metal and elastomer elements complete as per IS:2062, IS:1030, AISI:304, AISI:316, IS:6911, BS:3784, IS:3400, IS:226, BS-5400, Bridge Code and as per approved drawing and Technical Specifications. The design of the bearings shall be submitted by the manufacturers / contractor and got approved from Railway before fixing. Test report after inspection of the bearings shall be submitted and got approved before the materials are lifted from the manufacturer premises. 41131POT-cum -PTFE Bearing (Free end)

41132POT Bearing-Fixed Type

POT-cum -PTFE Guided (L)Bearing

POT-cum -PTFE Guided (T)Bearing

Design, supply, fitting and fixing in position true to line and level POTPTFE bearing of 200 MT Capacity, consisting of a metal piston supported by a disc or un reinforced elastomer confined within a metal cylinder, sealing rings, dust seals, PTFE surface sliding against stainless 23 steel mating surface, complete assembly to be of cast steel / fabricated structural steel, metal and elastomer elements complete as per IS:2062, IS:1030, AISI:304, AISI:316, IS:6911, BS:3784, IS:3400, IS:226, BS-5400, Bridge Code and as per approved drawing and Technical Specifications. The design of the bearings shall be submitted by the manufacturers / contractor and got approved from Railway before fixing. Test report after inspection of the bearings shall be submitted and got approved before the materials are lifted from the manufacturer premises. 41141POT-cum -PTFE Bearing (Free end)

POT Bearing-Fixed Type

POT-cum -PTFE Guided (L)Bearing

POT-cum -PTFE Guided (T)Bearing

Spherical Fixed Bearing

Spherical Free Float Bearing

Spherical Slide Guide (L) Bearing

Spherical Slide Guide (T) Bearing

Earthwork in filling in embankment, guide bunds, around buried type abutments, bridge gaps, trolley refuges, platforms etc. with contractor's own earth conforming to Soil Quality ClassSQ1/SQ2/SQ3, after preparation of foundations as applicable, benching in existing banks wherever required, spreading in layers with motor grader, bringing the moisture content to OMC, 31 mechanical compaction to specified density and dressing of bank to final profile as per RDSO Specifications: RDSO/2020/GE: IRS-0004 with latest correction slips. Note:1)Foundation preparation, Benching including additional earthwork on account of this, wherever required, shall be paid extra under relevant schedule item for benching. 2)Payment for Earthwork under this item shall be made based on the cross section measurements calculated (i) with original ground profile of existing bank based on initial ground levels before doing benching and (ii) final profile of the bank worked out with final levels as per prevailing guidelines. 011031Using Soil Class SQ1

Using Soil Class SQ2

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

Providing and laying in position Plain cement concrete of specified Nominal Mix for 34 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 220311:1½:3 (1 Cement: 1½ coarse sand (zone-III) 3 graded stone aggregate 20 mm nominal size)

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 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.

Centering and shuttering including strutting, propping etc. and removal of form for 36 25031 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

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

Any other USSOR 2021 items Above/

16.57Providing and laying Bituminous concrete using crushed stone aggregates of specified grading, premixed with bituminous binder and filler, transporting the hot mix to work site by tippers, laying with paver finisher equiped with electronic sensor to the required grade, level and 1 alignment and rolling with smooth wheeled, vibratory and tandem rollers to achieve the desired compaction and density as per specification, complete and as per directions of Engineer-in-Charge. 16.57.140/50 mm compacted thickness with bitumen of grade VG-30 @ 5.5% (percentage by weight of total mix) and lime filler @ 3% (percentage by weight of Aggregate) prepared in Batch Type Hot Mix Plant of 100-120 TPH capacity.

13.63.1Painting with aluminium paint of approved brand and manufacture to give an even shade. Two or more coats on new work

Any other DSR 2021 item Above/

NS1 Patch repairing of roadsurface pot holes with INSTAPATCH readymix Bitumen polymerbased (Mixture ofstone grit 6-12mm bitumen activator)25mm thick. Including cleaning/ 1 preparation of the surface andfilling of the pot holeswith stone aggregateof required size,compaction with contractors hand road roller etc., including all materials, labour tools and plants, lead, lift,complete in all respectand as directed by the Engineer-in-charge at site and maintaining up to ten months after completion of work.

NS2 P. U. grouting with high intensity P.U chemicals with the help of high pressure P.U. grouting pumps etc. all complete in good condition