Two-Year Routine and Preventive Maintenance of Major Bridges, Minor Bridges, RFOs and Allied Bridge Works in section of IMD DDU( DDU to unchdih) under the Jurisdiction of CGM/DDU.

A-Substructure work- Items of USSOR 2021 5099955.00 Below/P

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

"Providing and laying Pitching with Stone Boulders, weighing not less than 35kg each 2 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)."

052070 ,"Grouting of masonry/concrete by injection process duly Sealing of cracks, 4 through 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)."

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.

Providing weep holes by making 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.

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.

022030,Providing and laying in position Plain cement concrete of specified Nominal Mix for 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 :

Providing Flood Level Gauges on abutments and piers, made by 20mm thick 1:4 cement plaster for a width of not less than 300mm, duly engraving markings & figures in metres, 11 divided into 10 parts commencing from under-side of girders towards bed, painting markings & figures with black enamel paint in three coats on white background including painting HFL Mark in white by side of gauge with year of occurrence with all Contractor's materials, labour, tools, scaffolding and supports, lead & lifts, curing etc. complete as per approved drawing and as directed by the Engineer in- charge excluding cost of cement which shall be paid extra.

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

025050, Extra over 025040 for drilling of holes and insertion of dowel bars incase of Jacketing

"Ordinary Portland Cement 43 grade approved brands/makes"

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

B-Bridge Bearing work- Items of USSOR 2021 3092957.08 Below/P

"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 1 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"

"Supplying, fitting and fixing in position true to line and level cast steel rocker/roller 2 bearing of different load bearing capacity conforming to IS :7666, IS:9565, IS:1030, IS:919, IS:3073 and IRS Bridge Code including all accessories as per drawing and Technical Specifications with all material, labour, T&P as a complete job. The payment shall be made for the load bearing capacity in Metric Tonne as per approved drawing."

"capacity Spherical Bearing in position true to line and level consisting of set of concave and convex mating steel backing plate with a low friction sliding interface, flat sliding elements ,guides and restraining rings; with all components conforming to approved drawing and 6 technical specifications & Bridge Code including grouting of holes for anchor bolts and underside of base plate with approved non-shrink epoxy grout with all material, labour, T&P as a complete job. Note: Sliding surface with PTFE or UHMWPE low friction thermoplastic material and steel for backing plate of Mild steel in accordance to IS:2062 grade-B. Cast steel in accordance with IS 1030 Grade 280- 520W. Stain less steel in accordance with AISI 304/316.Low friction thermo -plastic sliding PTFE material either pure" Above/

C-Super structure related work-Items of USSOR 2021 3089764.48 Below/P

"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."

25030:Centering and shuttering including strutting, propping etc. and removal of form for:

Any other USSOR 2021 items Above/

D-Miscellaneous work- Items of DSR 2023 2465204.08 Below/P

Any other DSR 2023 item Above/

Item Breakup - A-Substructure work- Items of USSOR 2021

250.00 compound w.r.t. cement.

Kg Total 449312.50 011030 "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, mechanical compaction to Item- 9 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" S No. Item Description of Item Unit Qty Rate Amount No

cum Total 316385.00 022030,Providing and laying in position Plain cement concrete of specified Nominal Mix for Item- 10 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 : S No. Item Description of Item Unit Qty Rate Amount No

100.00 graded stone aggregate 20 mm nominal size)" Total 361883.00 Item- 13 Centering and shuttering including strutting, propping etc. and removal of form for : S No. Item Description of Item Unit Qty Rate Amount No

250.00 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" Total 174230.00 Item- 15 025050, Extra over 025040 for drilling of holes and insertion of dowel bars incase of Jacketing S No. Item Description of Item Unit Qty Rate Amount No

100.00 anchoring"

100.00 dia. (cost of rods to bepaid extra)" Total 14716.00

Item Breakup - B-Bridge Bearing work- Items of USSOR 2021

Each Total 890010.86 41140 :"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 steel mating surface, complete assembly to be of cast steel / fabricated structural steel, metal and elastomer elements complete as per Item- 5 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" S No. Item Description of Item Unit Qty Rate Amount No

Each Total 668041.14 "capacity Spherical Bearing in position true to line and level consisting of set of concave and convex mating steel backing plate with a low friction sliding interface, flat sliding elements ,guides and restraining rings; with all components conforming to approved drawing and technical specifications & Bridge Code including grouting of holes for anchor bolts and underside of base Item- 6 plate with approved non-shrink epoxy grout with all material, labour, T&P as a complete job. Note: Sliding surface with PTFE or UHMWPE low friction thermoplastic material and steel for backing plate of Mild steel in accordance to IS:2062 grade-B. Cast steel in accordance with IS 1030 Grade 280- 520W. Stain less steel in accordance with AISI 304/316.Low friction thermo -plastic sliding PTFE material either pure" S No. Item Description of Item Unit Qty Rate Amount No

Each Total 965693.08

Item Breakup - C-Super structure related work-Items of USSOR 2021

Each Total 34232.50 137100:"Painting 2 coats to Bridge Reference / Boards, Structures etc. along track with enamel Item- 2 paint of approved make with different colours & letters, as directed by Engineer in- charge." S No. Item Description of Item Unit Qty Rate Amount No

Each Total 194703.55 Metallizing of steel work of girders with sprayed aluminium after surface preparation by Sand/grit blasting, followed by one coat of etch primer (IS:5666) & one coat of Zinc Chrome primer (IS:104) and two coats of aluminium paint (IS:2339) with all labour, T&P and material as a complete job duly Item- 5 conforming to all relevant specifications and process given under Clause 39 of IRS-B1-2001. Note: Nominal Thickness of sprayed Aluminium coating shall be 150 microns. DFT of Zinc chrome primer shall be 25-30 microns and DFT of each coat of Aluminium paint shall be 12-14 microns. EDFC FIELD UNIT-DDU-CIVIL/EDFC S No. Item Description of Item Unit Qty Rate Amount No

2500.00 footpath or anti-crash barrier railing with B class G.I. pipe 65/50 mm nominal dia including cost of M.S. angle and channels in vertical posts, welding / bolting, priming painting with one coat ready mix Zinc Chromate conforming to IS:104 with DFT of 25-30Microns, followed by one coat of Zinc Chrome red oxide conforming to IS:2074 with DFT of 25 Microns with all material, labour, T&P as a complete job. Note: Cost of painting shall be paid extra under relevant item."

2.50 81127.55 inspection platforms, Trolley refuges etc., on bridges with structural steel conforming to IS:2062 including welding / bolting, priming painting with one coat of ready mixed paint of Zinc Chromate (IS:104) with DFT of 25-30 microns followed by one coat of Zinc Chrome Red Oxide (IS:2074) with DFT of 25 microns with all material, labour, T&P as a complete job. Note: Painting shall be paid separately under relevant item.

1500.00 emulsion of Grade RS-1, conforming to IS:8887 on the top surface of concrete deck slab (New bridges) @ 1.70 kg/sqm after cleaning surface with all materials, labour, tools and plants, equipment etc. complete.

3500.00 plate/composite girders and other steel structures where the finishing coat shows signs of deterioration; but primer coat of paint is sufficiently in good condition and there are no signs of rusting etc. Surface shall be cleaned free from oil grease, scaling and other foreign matters without disturbing the primer coat {Rate includes cost of labour, consumables, tools & plants, scaffolding, jhoola, ladder etc.}

15.00 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 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." Total 2330923.93 Item- 6 25030:Centering and shuttering including strutting, propping etc. and removal of form for: S No. Item Description of Item Unit Qty Rate Amount No

250.00 I-girders, T-girders, Box girders etc. up to 5m above ground level." EDFC FIELD UNIT-DDU-CIVIL/EDFC

250.00 & 025032 wherever required with adequate bracing, propping etc. over initial height of 5 metres for every additional height of 1 metre or part thereof." Total 254665.00

Item Breakup - D-Miscellaneous work- Items of DSR 2023