Bridge1/Dhubri/13 Br. No. 3/1 on Mayerchar Bazar Pt-1 to Nayeralga PtIII

Labour for taking out old piles of timber bridge with necessary scaffolding, jati bamboos, jumper ropes etc, complete and stacking them at suitable places as directed. i) Bridge No. 3/1 on Mayerchar Bazar Pt.-I to Nayeralga Pt.-III.

Labour for dismantling all members of the timber bridge (excluding piles) with necessary scaffolding, jati bamboos, jumper ropes etc, complete and stacking them at suitable places as directed (all members will be under custody of the contractor till taken over by the department) i) Bridge No. 3/1 on Mayerchar Bazar Pt.-I to Nayeralga Pt.-III.

Excavation for Structures (Earth work in excavation of foundation of structures as per drawing and technical specification, including setting out, construction of shoring and bracing, removal of stumps and other deleterious matter, dressing of sides and bottom and backfilling with approved material. B . Mechanical Means, (I) Without dewatering (i) upto 3 m Depth i) Bridge No. 3/1 on Mayerchar Bazar Pt.-I to Nayeralga Pt.-III.

Bored cast-in-situ M35 grade R.C.C. pile excluding reinforcement complete as per drawing and technical specifications and removal of excavated earth with all lifts and lead upto 1000 m. (Pile diameter-1200 mm) i) Bridge No. 3/1 on Mayerchar Bazar Pt.-I to Nayeralga Pt.-III.

Levelling course for Pile Cap i) Bridge No. 3/1 on Mayerchar Bazar Pt.-I to Nayeralga Pt.-III.

Cement concrete for reinforced concrete in pile cap complete as per drawing and Technical Specification. RCC Grade M35 Using Batching Plant, Transit Mixer and Concrete Pump i) Bridge No. 3/1 on Mayerchar Bazar Pt.-I to Nayeralga Pt.-III.

Reinforcement in Foundation: Supplying, fitting and placing TMT IS:1786 Fe500 D bar reinforcement in foundation complete as per drawing and technical specifications. TMT-IS 1786 ( Fe-500 D) Primary Producer (TATA/ SAIL/ Esser Steel/ Jindal panther steel/ Shyam steel or equivalent) i) Bridge No. 3/1 on Mayerchar Bazar Pt.-I to Nayeralga Pt.-III.

Pile load test on single vertical pile in accordance with IS:2911(Part-IV). a). Initial and Routine load test. i) Bridge No. 3/1 on Mayerchar Bazar Pt.-I to Nayeralga Pt.-III.

Plain/Reinforced cement concrete, in sub structure complete as per drawing and technical specification and steel shuttering formwork, Without plasticiser, RCC Grade M35, With Batching Plant, Transit Mixer and Concrete Pump Height upto 5m i) Bridge No. 3/1 on Mayerchar Bazar Pt.-I to Nayeralga Pt.-III.

Supplying, fitting and placing TMT IS:1786 (Fe 500) bar reinforcement in sub-structure complete as per drawing and technical specifications. TMT-IS 1786 ( Fe-500 D) Primary Producer (TATA/ SAIL/ Esser Steel/ Jindal panther steel/ Shyam steel or equivalent) i) Bridge No. 3/1 on Mayerchar Bazar Pt.-I to Nayeralga Pt.-III.

Providing and laying of Filter media with granular materials/stone crushed aggregates satisfying the requirements laid down in clause 2504.2.2. of MoRTH specifications to a thickness of not less than 600 mm with smaller size towards the soil and bigger size toeards the wall and provided over the entire surfaces behind the abutement, wing wall and return wall to the full height compacted to firm condition complete as per drawing and technical specification i) Bridge No. 3/1 on Mayerchar Bazar Pt.-I to Nayeralga Pt.-III.

Back filling behind abutment, wing wall and return wall complete as per drawing and Technical specification b) Sandy material i) Bridge No. 3/1 on Mayerchar Bazar Pt.-I to Nayeralga Pt.-III.

Furnishing and Placing Reinforced/Prestressed cement concrete in super-structure Without plasticiser, RCC Grade M35, as per drawing and Technical Specification' including steel shuttering formwork. Using Batching Plant, Transit Mixer and Concrete Pump i) Bridge No. 3/1 on Mayerchar Bazar Pt.-I to Nayeralga Pt.-III.

Reinforcement in Super Structure: Supplying, fitting and placing TMT conforming to IS:1786 Fe 500 D reinforcement in super-structure including splicing complete as per drawing and technical specifications TMT-IS 1786 ( Fe-500 D) Primary Producer (TATA / SAIL / Esser Steel / Jindal panther steel/ Shyam steel or equivalent) i) Bridge No. 3/1 on Mayerchar Bazar Pt.-I to Nayeralga Pt.-III.

P.C.C. M 15 ordinary grade (1:2.5:5) levelling course below approach slab complete as per drawing and technical specifications Clauses 800 and 1211 a) With crushed stone Nominal mix (1:2.5:5) i) Bridge No. 3/1 on Mayerchar Bazar Pt.-I to Nayeralga Pt.-III.

Reinforced cement concrete approach slab including reinforcement and formwork complete as per drawing and Technical specification. TMT-IS 1786 ( Fe-500 D) Primary Producer (TATA/ SAIL/ Esser Steel/ Jindal panther steel/ Shyam steel or equivalent) i) Bridge No. 3/1 on Mayerchar Bazar Pt.-I to Nayeralga Pt.-III.

Providing and laying Cement concrete wearing coat M-30 grade including reinforcement complete as per drawing and Technical Specifications i) Bridge No. 3/1 on Mayerchar Bazar Pt.-I to Nayeralga Pt.-III.

Reinforced Cement Concrete Crash Barrier (Provision of an Reinforced cement concrete crash barrier at the edges of the road, approaches to bridge structures and medians, constructed with M-40 grade concrete with HYSD reinforcement conforming to IRC:21 and dowel bar 25mm dia, 450mm long at expansion joints filled with pre moulded asphalt filler board, keyed to the structure on which it is built and installed as per design given in the enclouser to MOST circular No. RW/NH - 33022/1/94-DO III dated June 1994 as per dimension in the approved drawing and at locations directed by the engineer, all as specified. i) Bridge No. 3/1 on Mayerchar Bazar Pt.-I to Nayeralga Pt.-III.

Painting on concrete surface (Providing and applying 2 coats of water based cement paint to unplastered concrete surface after cleaning the surface of dirt, dust, oil, grease, efflorescence and applying paint @ of 1 litre for 2 Sq.m. ) For Plain surface i) Bridge No. 3/1 on Mayerchar Bazar Pt.-I to Nayeralga Pt.-III.

Non-Destrictive testing with Rebound Hammer for detection of damage zone in Reinforced concrete structures and furnishing the findings thereof in proper comprehensible format i) Bridge No. 3/1 on Mayerchar Bazar Pt.-I to Nayeralga Pt.-III.

Excavation for Structures (Earth work in excavation of foundation of structures as per drawing and technical specification, including setting out, construction of shoring and bracing, removal of stumps and other deleterious matter, dressing of sides and bottom and backfilling with approved material. B . Mechanical Means, (I) Without dewatering (i) Depth upto 3 m i) Bridge No. 3/1 on Mayerchar Bazar Pt.-I to Nayeralga Pt.-III.

Providing and laying filter material underneath pitching in slopes complete as per drawing and technical specifications Clause 1302 i) Bridge No. 3/1 on Mayerchar Bazar Pt.-I to Nayeralga Pt.-III.

Providing and laying pitching on slopes laid over prepared filter media as per drawing and technical specifications Clause 1302 i) Stone / Boulder i) Bridge No. 3/1 on Mayerchar Bazar Pt.-I to Nayeralga Pt.-III.

Plain/Reinforced cement concrete, in open foundation complete as per drawing and technical specification including steel shuttering formwork. Without plasticiser, PCC Grade M15 for Toe Wall i) Bridge No. 3/1 on Mayerchar Bazar Pt.-I to Nayeralga Pt.-III.

Clearing and grubbing road land including uprooting wild vegetation, grass, bushes, shrubs, saplings and trees of girth upto 300 mm, removal of stumps of such trees cut earlier and disposal of unserviceable materials and stacking of serviceable material to be used or auctioned, upto a lead of 1000 m including removal and disposal of top organic soil not exceeding 150 mm in thickness as per Technical Specification Clause 201 i) Bridge No. 3/1 on Mayerchar Bazar Pt.-I to Nayeralga Pt.-III.

Excavation for roadwork in soil with hydraulic excavator of 0.9 cum bucket capacity including cutting and loading in tippers, trimming bottom and side slopes, in accordance with requirements of lines, grades and cross-sections, and transporting to the embankment location with a lift upto 1.5 m and lea

d upto 1000 m as per Technical Specification Clause 302.3 i) Bridge No. 3/1 on Mayerchar Bazar Pt.-I to Nayeralga Pt.-III.

Construction of embankment with approved material obtained from borrow pits with a lift upto 1.5 m, transporting to site, spreading, grading to required slope and comp g actin to meet requirement of Tables 300.1 and 300.2 with a lead upto 1000 m as per Technical Specification Clause 301.5 i) Bridge No. 3/1 on Mayerchar Bazar Pt.-I to Nayeralga Pt.-III.

Construction of subgrade and earthen shoulders with approved material obtained from borrow pits with all lifts and leads, transporting to site, spreading, grading to required slope and compacted to meet requirement of Table 300.2 with lead upto 1000 m as per Technical Specification Clause 303.1. (i) Private Land i) Bridge No. 3/1 on Mayerchar Bazar Pt.-I to Nayeralga Pt.-III.

Construction of granular sub-base by providing well graded material, spreading in uniform layers with motor grader on prepared surface, mixing by mix in place method with rotavator at OMC, and compacting with smooth wheel roller to achieve the desired density, complete as per Technical Specification Clause 401 . i) Bridge No. 3/1 on Mayerchar Bazar Pt.-I to Nayeralga Pt.-III.

WBM Grading 2 , Using stone screening Type-B 11.2 mm for Gr.II - Providing, laying, spreading and compacting stone aggregates of specific sizes to water bound macadam specification including spreading in uniform thickness, hand packing, rolling with smooth wheel roller 80-100 kN in stages to proper grade and camber, applying and brooming, stone screening/binding materials to fill-up the interstices of coarse aggregate, watering and compacting to the required density grading 2 as per Technical Specification Clause 405. A. By Manual Means i) Bridge No. 3/1 on Mayerchar Bazar Pt.-I to Nayeralga Pt.-III.

WBM Grading 3 , Using stone screening Type-B 11.2 mm for Gr.III - Providing, laying, spreading and compacting stone aggregates of specific sizes to water bound macadam specification including spreading in uniform thickness, hand packing, rolling with smooth wheel roller 80-100 kN in stages to proper grade and camber, applying and brooming, stone screening/binding materials to fill-up the interstices of coarse aggregate, watering and compacting to the required density grading 2 as per Technical Specification Clause 405. A. By Manual Means i) Bridge No. 3/1 on Mayerchar Bazar Pt.-I to Nayeralga Pt.-III.

Providing and laying interlocking concrete block pavement with M40 grade grade of concrete blocks having thickness 80mm as per technical specification clause 1504 complete including carriage. a) Including Edge block/ Edge restraints i) Bridge No. 3/1 on Mayerchar Bazar Pt.-I to Nayeralga Pt.-III.

Soil/ Sub-Grade stabilisation using non-woven Geo-Textiles/ Geo- Grids Providing and laying one layer of Non-Woven geotextile of minimum mass per unit area of 280gms/sqm.having minimum roll width of 5.0m treated with carbon black with physical properties as given in clause no 702.2.3. over 25mm thick compacted sand layer on a prepared subgrade as a filter media with necessary overlaps as per drawing and technical specification and as directed by the Engineer in charge complete. i) Bridge No. 3/1 on Mayerchar Bazar Pt.-I to Nayeralga Pt.-III.

Providing and fixing of retro-reflectorised cautionary, mandatory and informatory sign as