Package No. RIDF-XXIX/Dibrugarh/01 Construction of RCC Bridge No 1/3 on Madhupur to Thekerapukhuri under Mukhya Mantrir Unnoto Pakipath Nirman Achani for the year 2023-24,(RIDF-XXIX),Moran LAC

Amount

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 and disposal upto a lead of 50.00m,dressing of sides and bottom and backfilling with approved material I. In Ordinary Soil B. Mechanical Means (i) Without dewatering ( upto 3m depth)

Supplying, fitting and placing TMTIS:1786:Fe500D bar reinforcement in foundation complete as per drawings and technical specifications. (a) TMT-IS 1786 (Fe500D) Primary Producer (TATA/SAIL/Easser Steel/Jindal Panther Steel/Shyam Steel)

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 M25. (ii) Using Batching Plant, Transit Mixer and Concrete Pump.

Plain/Reinforced Cement concrete, in Substructure complete as per Drawing and Technical Specification and steel shuttering formwork. (P) With 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 conformimg to IS: 9103-1999 F. RCC Grade M 25 ((a) Height up to 5.0 m Case II Using Batching Plant, Transit Mixer and Concrete Pump

Supplying, fitting and placing TMTIS:1786:Fe500D bar reinforcement in sub-structure complete as per drawings and technical specifications. (a) TMT-IS 1786 (Fe500D) Primary Producer (TATA/ SAIL / Easser Steel/Jindal Panther Steel/Shyam Steel)

Supplying, fitting and fixing in position true to line and level POT-PTFE bearing consisting of a metal piston supported by a disc or unreinforced elastomer confined within a metal cylinder, sealing rings, dust seals, PTFE surface sliding against stainless teel matting surfaces, complete assembly to be of cast steel/fabricated structural steel, metal and elastomer elements to be as per IRC:83 part-I &II respectively and parts conforming to BS:5400, section 9.1 & 9.2 and clause 2006 of MORTH&S Specification complete as per drawing and approved technical specification.

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 face. 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 Material

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.

Furnishing and placing Reinforced / Prestressed cement concrete in super-structure as per drawing and technical specification including steel shuttering formwork. (P) With 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 Gr. M25. Case-II .Using Batching Plant, Transit Mixer and Concrete Pump. (i) For Solid slab superstructure (a) Height upto 5.0 m

Supplying, fitting and placing TMT conforing ti Is:1786 Fe 500D reinforcement in superstructure including splicing complete as per drawing and technical specifications (a) TMT-IS 1786 (Fe500D) Primary Producer (TATA/ SAIL / Easser Steel/Jindal Panther Steel/Shyam Steel)

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.)

Providing and laying cement concrete wearing course M 30 grade including reinforcement complete as per drawing and technical specifications.

Construction of precast R.C.C. railing of M 30 grade aggregate size not exceeding 12 mm, true to line and grade, tolerance of vertical railing post not to exceed 1 in 500, centre-to-centre spacing between vertical posts not to exceed 2000 mm as per drawing and technical specifications leaving adequate space between vertical post for expansion, complete as per approved drawings and technical specifications.

Provision of an Reinforced cement concrete crash barrier at the edges of the road, approaches to bridge structures and medians, constructed with M-20 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 MoRT&H 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) M40 Grade concrete

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 instructions for installation and as per relevant clauses of section 2600.

Drainage spouts complete as per drawing and technical specifications.

PCC M15 Grade levelling course below approach slab complete as per drawing and Technical specification

Reinforced cement concrete approach slab including reinforcement and formwork complete as per drawing and Technical specification (a) TMT-IS 1786 (Fe500D) Primary Producer (TATA/ SAIL / Easser Steel/Jindal Panther Steel/Shyam Steel)

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 Specification Clause 1302. I. Stone Boulder

Providing & laying filter media material underneath pitching in slopes complete s per drawing & technical specification Clause 1302

Construction of cold weather bamboo bridge overal width of 3.70m and clear roadway 3.00m with jungle wood post 20cm to 25cm dia 5 nos.In each rows and rows being 2.1m apart except for the navigable span which should be 3.00m .Post to be driven at least 180cm or more below ground level including providing 20cm to 25cm centre to centre and placed over 20cm dia jungle wood dham,15cm dia jungle wood bracing collar fixed by bolts and nuts,straps etc.mature bhluka Bamboo cross groth all closely packed and tied 75cm wide trackway made from 38mm thick 1st class local plank fixed on 75mm x100mm first class local wood batten 120cm apart and 3 lines of jati bamboo horizontal railing fixed in bholuka bamboo post placed at 210cm apart and white washed including all necessary nus & bolts ,coir ropes, struts,nails etc complete with alyer of brushwood to exposed portion outside trackway with earth topping complete as per direction of the Department.

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 1000m including removal and disposal of top organic soil not exceeding 150mm in thick ness as per Technical Specification Clause 201.0 i) By Manual Means A) In area of non-thorny jungle

Dismantling of existing structures like culverts, bridges,retaining walls and other structure comprising of masonary,cement concrete, wood work,steel work including T & P and scaffoding wherever necessary. sorting the dismantled material, disposal of the unserviceable material and stacking the serviceable material with all lifts and lead of 1000m as per Technical Specification Clause 202. (II) By Mechanical Means (B) Reinforced Cement Concrete

Construction of embankment with approved materials obtained from borrow pits with a lift upto 1.5m, transporting to site, spreading, grading to required slope and compaction to meet requirement of Tables 300.1 and 300.2 with a lead upto 1000m as per Technical Specification Clause 301.5. (i) 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 1000m 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 i) For Gr. II material

Providing, laying, spreading and compacting stone aggregates of specific sizes to water bound macadam specification including spreading in uniform thickness , hand packing, rolling with three wheel 80-100 kN static roller in stages to proper grade and camber, applying and brooming, stone screening/binding materials to fill up the interstices of coarse aggregate, watering and compaction to the required density grading 2 as per Technical Specification Clause 405. (A) By Manual Means (ii) WBM Grading - II, Using stone Screening Type -B 11.2mm 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 three wheel 80-100 kN static roller in stages to proper grade and camber, applying and brooming, stone screening/binding materials to fill up the interstices of coarse aggregate, watering and compaction to the required density grading 3 as per Technical Specification Clause 405. (A) By Manual Means (iii) WBM Grading - III, Using stone Screening Type -B 11.2mm for Gr-III

Providing and applying primer coat with bitumen emulsion (SS-1) on prepared surface of granular base including cleaning of road surface and spraying primer at the rate of 0.70 – 1.0 kg/sqm using mechanical means as per Technical Specification Clause 502. (i) Low porosity :

(ii) Providing and applying tack coat with Bitumen emulsion (RS-1) using emulsion distributor at the rate of 0.25 to 0.30 kg per sqm on the prepared granular surface treated with primer & cleaned with Hydraulic broom as per Technical Specification Clause 503.

Providing and laying semi dense bituminous concrete with 100-120 TPH batch type HMP producing an average output of 75 tonnes per hour using crushed aggregates of specified grading, premixed with bituminous binder @ 4.5 to 5% of mix and filler transporting the hot mix to work site, laying with a hydrostatic paver finisher with sensor control to the reqd. grade, lavel and alignment,rolling with smooth wheeled,vibratory and tandem rollers to achieve the desired compaction as per MoSRT&H cl. no.508. complete in all respect. including carriage of mixed materials up to 10.0 Km initial lead from mixing plant ) (Including cost of testing of materials at site and laboratory as directed by the deptt.) I.With hydrated lime/ cement as filler (refer table 500-9 of MoSRT&H specification) A. With 60/70 or VG-30 grade bitumen (ii) for Grading II (10 mm nominal size)

Providing and erecting of Retro-Reflectrorised cautionary, mandatory & informatory sign as per IRC: 67 made of high intensity encapsulated lens type reflective sheeting vide clause 801.3, fixed over aluminium sheeting, 2 mm thick fixed on an angle iron of 25x25x4mm supported on a mild steel angle iron post 75mm x 75mm x 6mm firmly fixed to the ground by means of properly design foundation with M-15 grade Cement concrete 45cm x 45cm x 60cm, 60cm below ground level as per approved drawing and sign. ( All the Steel work must be Tata/Sail/or any other approved brand) iv) 80cmm x 60 cm rectangular

Supplying,fitting and fixing RCC guard post 150cm long,75cm above the ground and 75cm below the ground, with M15 Grade (nomial mix 1:2:4 with broken stone ggregate upto 20mm size) of cement concrete and required reinforcement tied in position with annealed black wire including centering,moulding the top ,curing including painting concrete surfaces in 23cm strips upto 0.74m from the top alternately in black and white and having 2 nos reflective band of desired shade etc complete as per design as directed. (b)15 cm dia RCC guard post with reinforcement of 4 nos 12mm dia TMT main steel bars and 6mm TMT/MS stirrups at 15 cm c/c.

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.

Raju Mesh