Construction of RCC Br. No. 5/1 including both side approaches and protection work over River Bhogdoi at Ajaronighat on Pulibor Tiniali to Sarucharai Gharfolia road under Jorhat, Dergaon and Titabor Territorial Road Division in 97 Dergaon LAC for the

Amount

(A)BRIDGE PROPER I) FOUNDATION Earthwork in excavation for structures as per drawing and technical specifications Clause 305.1 including setting out, construction of shoring and bracing, removal of stumps and other deleterious material and disposal upto a lead of 50 m, dressing of sides and bottom and backfilling in trenches with excavated suitable material. I.Ordinary soil Upto 3m depth

Earthwork in excavation for structures as per drawing and technical specifications Clause 305.1 including setting out, construction of shoring and bracing, removal of stumps and other deleterious material and disposal upto a lead of 50 m, dressing of sides and bottom and backfilling in trenches with excavated suitable material. I.Ordinary soil Upto 3m to 6m depth

Providing and constructing temporary island for constructing of pile foundation with depth of water upto 4.0m complete as per technical specification.

Providing and constructing one span service road to reach island location from one pier location to another pier location

'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. including providing plasticiser (Masterplast PL-1/SPL-2 or equivalent ), air entraining and water reducing plasticiser ( Masterplast PAE or equivalent) and accelerating plasticiser ( Masterplast ACPL or equivalent) conforming to IS-9103-1999 (Pile diameter-1200 mm)

Pile load test on single vertical pile in accordance with IS:2911(Part-IV). a). Initial and Routine load test.

Levelling course for pile cap

Cement concrete for reinforced concrete in pile cap complete as per drawing and Technical Specification including providing plasticiser ( Masterplast PL-1/SPL-2 or equivalent ), air entraining and water reducing plasticiser ( Masterplast PAE or equivalent) and accelerating plasticiser ( Masterplast ACPL or equivalent) conforming to IS-9103-1999. (B) RCC Grade M-25 (i) Using Concrete Mixer

Reinforcement in Foundation: Supplying, fitting and placing conforming to IS:1786 TMT reinforcement bar Fe500 in foundation complete as per drawing and technical specifications (a) TMT - IS 1786 (Fe-500 D) from Primary Producer like TATA/SAIL/SHYAM STEEL/ESSER STEEL/JINDAL STEEL/RINL etc.

II) SIB-STRUCTURE 'Plain/Reinforced cement concrete, in sub structure complete as per drawing and technical specification and steel shuttering formwork (N) without plasticiser F. RCC Grade-M-25 (a) Height upto 5.0m Case-I : Using Concrete Mixer

Supplying, fitting and placing TMT IS:1786 (Fe-500)bar reinforcement in Sub-Structure copmlete as per drawing and Technical Specifications a)TMT - IS 1786 (Fe-500 D) from Primary Producer like (TATA/SAIL/SHYAM STEEL/ESSER STEEL/JINDAL PANTHER STEEL/SHYAM STEEL or Equivalent)

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.

'Providing weep holes in Brick masonry/Plain/Reinforced concrete abutment, wing wall/return wall with 100 mm dia AC pipe, extending through the full width of the structure with slope of 1V :20H towards drawing foce. Complete as per drawing and Technical specification.

Back filling behind abutment, wing wall and return wall complete as per drawing and Technical specification A)Granular Materials

III)SUPER-STRUCTURE 'Furnishing and Placing Reinforced/Prestressed cement concrete in super-structure as per drawing and Technical Specification' including steel shuttering formwork. (I) Without Plasticiser B)RCC Grade- M-25 Case-: Using Concrete Mixer ii) For T-Beam and Slab a)Height upto 5m

Reinforcement in Foundation: Supplying, fitting and placing TMT conforming to IS:1786 Fe500 D reinforcement in super structure including splicing complete as per drawing and technical specification a) TMT- IS 1786 (Fe-500 D) primary producer like TATA/SAIL/SHYAM STEEL/ESSER STEEL/JINDAL PANTHER STEEL/ SHYAM STEEL or Equivalent)

'Construction of precast RCC railing of M30 Grade, aggregate size not exceeding 12 mm, true to line and grade, tolurence of vertical RCC post not to exceed 1 in 500, centre to centre spacing between vertical post not to exceed 2000 mm, leaving adequat space between vertical posts for expansion, complete as per approved drawings and technical specifications.

'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).

Drainage Spouts complete as per drawing and Technical specification

Providing and laying Cement concrete wearing coat M-30 grade including reinforcement complete as per drawing and Technical Specifications Clause 800 and 1206.3 (A) With Crushed Stone

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. )(A) for Plain Surface

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. )(B) for RCC Railing

(B) APPROACH WORK 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. By Manual Means (A) IN Area of Non throny Jungle

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 compacting to meet requirement of Tables 300.1 and 300.2 with a lead upto 1000 m as per Technical Specification Clause 301.5 a)From Private land

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.

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. ii) For Grading- II Materials

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 to fill-up the interstices of coarse aggregate, watering and compacting to the required density Grading 3 as per Technical Specification Clause 405. A) By Manual Means

Providing and laying interlocking concrete block pavement (M40) having thickness 60mm as per technical specification clause 1504 complete including carriage. A) Including Edge Block/Edge Restraints

RCC Guard Post: Supplying fitting & Fixing RCC guard poat 150cm long errected 75cm above the ground and 75 cm below the ground with M-15 Grade (nominal mix 1:2:4 with brocken stone aggregates up to 20mm size) of cement concrete and required reinforcement tied in position with annealed black wire including centering moulding the top curing including painting concrete surface in 23 cm strips upto o,75m from the top alternatively in black and white and having 2 nos reflective band of desired shade etc. complete as per design and as directed. B) 15cm dia RCC Guard Post with re inforcement of 4 nos 12mm dia TMT main steel bar and 6mm TMT MS Strirrup at 15cm c/c.

Planting of Trees and their Maintenance for three Year (Planting of trees by the road side (Avenue trees) in 0.60 m dia holes, 1 m deep dug in the ground, mixing the soil with decayed farm yard/sludge mannure, planting the saplings, backfilling the trenches, watering , fixing the tree guatrd and maintaining the plants for three year.

Horizontal Saucer Drain Earthwork in excavation for structures as per drawing and technical specifications Clause 305.1 including setting out, construction of shoring and bracing, removal of stumps and other deleterious material and disposal upto a lead of 50 m, dressing of sides and bottom and backfilling in trenches with excavated suitable material. I. In Ordinary Soil,A) Without dewatreing i) Upto 3m to 6m depth

Plain/Reinforced cement concrete, in open foundation complete as per drawing and technical specification including steel shuttering formwork. N)Without Plasticiser A. PCC Grade M-20

Vertical Drain in Site slope Earthwork in excavation for structures as per drawing and technical specifications Clause 305.1 including setting out, construction of shoring and bracing, removal of stumps and other deleterious material and disposal upto a lead of 50 m, dressing of sides and bottom and backfilling in trenches with excavated suitable material. I. In Ordinary Soil,A) Without dewatreing i) Upto 3m to 6m depth

Plain/Reinforced cement concrete, in sub structure complete as per drawing and technical specification and steel shuttering formwork N)Without Plasticiser E) RCC Grade M-20 a) Height upto 5m Case-I Using concrete Mixer

C) Road Safety Engineering Measure 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 i) 90cm equilateral Triangle

Providing and erecting direction and place identification retro-reflectorised sign as per IRC:67 made of encapsulated lens type reflective sheeting vide Clause 1701.2.3, fixed over aluminium sheeting, 2 mm thick with area not exceeding 0.9 sqm supported on a mild steel single angle iron post 75 x 75 x 6 mm firmly fixed to the ground by means of properly designed foundation with M-15 grade cement concrete 450 x 450 x 600 mm, 600 mm below ground level as per approved drawing and Technical Specification Clause 1701

Providing and erecting direction and place identification retro-reflectorised sign as per IRC:67 made of encapsulated lens type reflective sheeting vide Clause 1701.2.3, fixed over aluminium sheeting, 2 mm thick with area not exceeding 0.9 sqm supported on 2 inch dia GI Pipe firmly fixed to the ground by means of properly designed foundation with M-15 grade cement concrete 450 x 450 x 600 mm, 600 mm below ground level as per approved drawing and Tehnical Specification Clause 1701.

Metel 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 fixedon the vertical post with a spacer of channel section 150mmX75mmX5mm, 330mm long complete as per clause 810.)

(D) Protection Work Providing and laying of boulder apron laid in wire crates with 4 mm dia GI wire conforming to IS:280 and IS:4826 in 100 mm x 100 mm mesh (woven diagonally) including 10 per cent extra for laps and joints laid with stone boulders weighing not less than 25 kg each as per drawing and technical specifications Clause 1301

Providing and laying pitching on slopes laid over prepared filter media as per drawing and technical specifications Clause 1302

Providing and laying filter material underneath pitching in slopes complete as per drawing and technical specifications Clause 1302

(E)Retaining Wall Earthwork in excavation for structures as per drawing and technical specifications Clause 305.1 including setting out, construction of shoring and bracing, removal of stumps and other deleterious material and disposal upto a lead of 50 m, dressing of sides and bottom and backfilling in trenches with excavated suitable material. I. In Ordinary Soil i) Upto 3m depth

Providing concrete for plain/reinforced concrete in open foundations complete as per drawings and technical specifications Clause 802, 803, 1202 & 1203. B. With natural gravel I. PCC Grade M-10 Nomonal mix 1:3:6 (Hand Mixing)

Plain/reinforced cement concrete in Open foundation complete as per drawings and technical specification Clauses 802, 804, 805, 806, 807, 1202 ans 1203 B) With Natural Gravel IV) RCC Grade M-20

Supplying, fitting and placing TMT IS:1786 (Fe-500)bar reinforcement in Foundation copmlete as per drawing and Technical Specifications a)TMT - IS 1786 (Fe-500 D) from Primary Producer like (TATA/SAIL/SHYAM STEEL/ESSER STEEL/JINDAL PANTHER STEEL/SHYAM STEEL or Equivalent)

Plain/reinforced cement concrete in Sub structure complete as per drawings and technical specification Clauses 802, 804, 805, 806, 807, 1202 ans 1204 B) With Crushed Stone II) RCC Grade M-20 For Height 5.0m

Supplying, fitting and placing TMT IS:1786 (Fe-500)bar reinforcement in Sub-Structure copmlete as per drawing and Technical Specifications a)TMT - IS 1786 (Fe-500 D) from Primary Producer like (TATA/SAIL/SHYAM STEEL/ESSER STEEL/JINDAL PANTHER STEEL/SHYAM STEEL or Equivalent)

Back filling behind abutment, wing wall and return wall complete as per drawing and Technical specification A)Granular Materials

'Providing weep holes in Brick masonry/Plain/Reinforced concrete abutment, wing wall/return wall with 100 mm dia AC pipe, extending through the full width of the structure with slope of 1V :20H towards drawing foce. Complete as per drawing and Technical specification.

(F) Subway Construction Construction of cold weather Bamboo bridge overall width of 3.70m and clear road way 3m with jungle wood post 20cm to 25cm dia 5nos. In each rows and rows being 2.1m. apart except for the navigable span which should be 3m. Post to be driven at least 180cm. or more below ground level including providing 20cm to 25cm center to center and placed over 20 cm dia, jungle wood dham, 15cm dia. jungle wood bracing collar fixed by bolts and nuts, straps etc. mature bholuka Bamboo cross groth all closely packed and tied 75cm wide track way made from 38mm thick 1st class local plank fixed on 75mmx100mm first class local wood battens 120cm apart and 3 lines of jati bamboo horizantal railing fixed in bholuka bamboo post placed at 210cm apart and white washed including all necessary nuts and bolts, coir ropes, struts, nails etc. complete with a layer of brushwood to exposed portion out-side trackway with earth topping complete as per direction of the department.

G) Miscellenous Work Carrying out Sub Soil Investigation (SSI) for all types of soil (except boring in rock) upto a depth of 30m or refusal (N-100) for each foundation location as per IRC:78-2000 and submission of SSI report to the engineer in charge for approval. Preparation & submission of Design calculation & Drawings of foundations, sub Structure , Super Structure as per relevent IRC Codes and SSI report 2 (Two) Copies each of Design & drawings of each Bridge to be submitted for approval and 8 (eight) copies after approval of competant authority.

Sri Girin Chutia

Bikash Kr Dutta

Rantu Boruah