Bridge1/Dhubri/18 Bridge no. 1/2 on Howrapur Bazar to Dharmashala via Borbila Village Road

Providing and constructing temporary island for construction of pile foundation with depth of water upto 4.0m complete as per technical specification. i) Bridge no. 1/2 on Howrapur Bazar to Dharmashala via Borbila Village Road.

Providing and constructing one span service road to reach island location from one pier location to another pier location i) Bridge no. 1/2 on Howrapur Bazar to Dharmashala via Borbila Village Road.

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. 1/2 on Howrapur Bazar to Dharmashala via Borbila Village Road.

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. 1/2 on Howrapur Bazar to Dharmashala via Borbila Village Road.

Levelling course for Pile Cap i) Bridge no. 1/2 on Howrapur Bazar to Dharmashala via Borbila Village Road.

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. 1/2 on Howrapur Bazar to Dharmashala via Borbila Village Road.

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. 1/2 on Howrapur Bazar to Dharmashala via Borbila Village Road.

Pile load test on single vertical pile in accordance with IS:2911(Part-IV). a). Initial and Routine load test. i) Bridge no. 1/2 on Howrapur Bazar to Dharmashala via Borbila Village Road.

Pile load test on single vertical pile in accordance with IS:2911(Part-IV). b) Lateral load test i) Bridge no. 1/2 on Howrapur Bazar to Dharmashala via Borbila Village Road.

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. 1/2 on Howrapur Bazar to Dharmashala via Borbila Village Road.

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. 1/2 on Howrapur Bazar to Dharmashala via Borbila Village Road.

Supplying, fitting and fixing in position true to line and level elastomeric bearing conforming to IRC: 83 (Part-II) section IX and clause 2005 of MoRTH specifications complete including all accessories as per drawing and Technical Specifications. i) Bridge no. 1/2 on Howrapur Bazar to Dharmashala via Borbila Village Road.

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 towards the wall and provided over the entire surfaces behind the abutment, wing wall and return wall to the full height compacted to firm condition complete as per drawing and technical specification i) Bridge no. 1/2 on Howrapur Bazar to Dharmashala via Borbila Village Road.

Back filling behind abutment, wing wall and return wall complete as per drawing and Technical specification b) Sandy material i) Bridge no. 1/2 on Howrapur Bazar to Dharmashala via Borbila Village Road.

Furnishing and Placing Reinforced /Prestressed cement concrete in super-structure as per drawing and Technical Specification' including steel shuttering formwork. (N) Without Plasticiser - E) PSC Grade M-40 - (ii) For I-beam & slab including launching of precast girders by launching truss upto 40 m span Case II - Using Batching Plant, Transit Mixer and Concrete Pump b) Height 5m to 10m i) Bridge no. 1/2 on Howrapur Bazar to Dharmashala via Borbila Village Road.

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. 1/2 on Howrapur Bazar to Dharmashala via Borbila Village Road.

Structural steel Built-Up-Girder (BUG) (Providing and launching Steel Truss of Structural steel BUG Super Structure including painting complete as per as per drawing and technical specifications under Section 1900 of MOST.) i) Bridge no. 1/2 on Howrapur Bazar to Dharmashala via Borbila Village Road.

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. 1/2 on Howrapur Bazar to Dharmashala via Borbila Village Road.

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. 1/2 on Howrapur Bazar to Dharmashala via Borbila Village Road.

Strip Seal Expansion Joint (Providing and laying of a strip seal expansion joint catering to maximum horizontal movement upto 70 mm, complete as per approved drawings and standard specifications to be installed by the manufacturer/supplier or their authorised representative ensuring compliance to the manufacturer's instruction for installation). i) Bridge no. 1/2 on Howrapur Bazar to Dharmashala via Borbila Village Road.

Providing and laying Cement concrete wearing coat M-30 grade including reinforcement complete as per drawing and Technical Specifications i) Bridge no. 1/2 on Howrapur Bazar to Dharmashala via Borbila Village Road.

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 enclosure 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. 1/2 on Howrapur Bazar to Dharmashala via Borbila Village Road.

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. 1/2 on Howrapur Bazar to Dharmashala via Borbila Village Road.

Non-Destructive testing with Ultrasonic Pulse Velocity Meter with data storage facility for detection of cracks, voids and other imperfections in Reinforced concrete Structures and furnishing thereof in proper comprehensible format, complete as directed by the Department. i) Bridge no. 1/2 on Howrapur Bazar to Dharmashala via Borbila Village Road.

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. 1/2 on Howrapur Bazar to Dharmashala via Borbila Village Road.

Providing and laying filter material underneath pitching in slopes complete as per drawing and technical specifications Clause 1302 i) Bridge no. 1/2 on Howrapur Bazar to Dharmashala via Borbila Village Road.

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. 1/2 on Howrapur Bazar to Dharmashala via Borbila Village Road.

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. 1/2 on Howrapur Bazar to Dharmashala via Borbila Village Road.

Clearing and grubbing road land including uprooting wild vegetation, grass, bushes, shrubs, s

aplings 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. 1/2 on Howrapur Bazar to Dharmashala via Borbila Village Road.

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 lead upto 1000 m as per Technical Specification Clause 302.3 i) Bridge no. 1/2 on Howrapur Bazar to Dharmashala via Borbila Village Road.

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. 1/2 on Howrapur Bazar to Dharmashala via Borbila Village Road.

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. 1/2 on Howrapur Bazar to Dharmashala via Borbila Village Road.

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. 1/2 on Howrapur Bazar to Dharmashala via Borbila Village Road.

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. 1/2 on Howrapur Bazar to Dharmashala via Borbila Village Road.

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. 1/2 on Howrapur Bazar to Dharmashala via Borbila Village Road.

Providing and laying interlocking concrete block pavement with M40 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. 1/2 on Howrapur Bazar to Dharmashala via Borbila Village Road.

Metal Beam Crash Barrier, Type - A: "W" Metal Beam Crash Barrier (Providing and erecting a "W" metal beam crash barrier comprising of 3 mm thick corrugated sheet metal beam rail, 70 cm above road/ground level, fixed on ISMC series channel vertical post, 150 x 75 x 5 mm spaced 2m center to center, 1.8 m high, 1.1m below ground/road level, all steel parts and fitments to be galvanized by hot dip process, all fitting to conform to IS:1367 and IS:1364, metal beam rail to be fixed on the vertical post with a spacer of channel section 150mm x 75mm x 5mm, 330mm long complete as per clause 810.) i) Bridge no. 1/2 on Howrapur Bazar to Dharmashala via Borbila Village Road.

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. 1/2 on Howrapur Bazar to Dharmashala via Borbila Village Road.

Providing and fixing of retro-reflectorised cautionary, mandatory and informatory sign as per IRC:67 made of encapsulated lens type reflective sheeting vide Clause 1701.2.3 fixed over aluminium sheeting, 1.5 mm thick supported on a mild steel angle iron post 75 mm x 75 mm x 6 mm firmly fixed to the ground by means of properly designed foundation with M15 grade cement concrete 450 mm x 450 mm x 600 mm, 600 mm below ground level as per drawings and Technical Specification Clause 801 900mm equilateral triangle i) Bridge no. 1/2 on Howrapur Bazar to Dharmashala via Borbila Village Road.