RIDF-XXVII/Cachar/04 Construction of RCC Bridge over Badri River at Nawagram via Badripar PWD Road including approaches and protection works under RIDF-XXVII of NABARD for the year 2021-22 within Cachar District under PWD Dholai and Sonai Territori

Amount

Construction of Embankment with Material Obtained from Borrow Pits.Construction of embankment with approved materials 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. (i) Private Land. In widening portion

Construction of Subgrade and Earthen Shoulders. 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 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 uniforms layers by tractor with grading attachment 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. (including carriage of material from quarry to site of work with all lead and lift and payment of FR ,VAT etc complete and as directed by the Department) (A) By Mix in Place Method (I) For Grading I Material

Providing laying spreading and compacting stone aggregate 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 applyying and brooming stone screening/binding materials to fill up the interstices of coarse aggregate watering and compacting to the reqoured density Grading 3 as per Technical Specification Clause 405. (including carriage of material from quarry to site of work with all lead and lift and payment of FR ,VAT etc complete and as directed by the Department) 3) WBM Grading 3 i) Using stone screnning Type -B 11.2mm for G.III (A) By Manual Means.

Providing and laying interlocking concrete block pavement (M40) having thickness 80mm as per technical specification clause 1504(inclusive of Edge restraint and carriage)

Painting two coats including prime coat with epoxy paint of approved brand on concrete/steel surfaces after through cleaning of surface to give an even shade as per drawing and Technical Specification Clause 1701

Retro-reflectorised Traffic Signs 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 (ii) 600mm equilateral triangle

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 RCC Post 100 mm x 100 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 approved drawing Clause 1701. (iv)800mm x 600mm rectangular

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.

Retaining Wall:- Excavation for Structures.Earth in excavaton for structures as per drawing and Technical Specification Clause 305.1 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. I. Ordinary Soil. A.manual means (i) Upto 3 m depth

Plain/reinforced cenment concrete in substructure complete as per drawings and technical specification Clauses 802 804 805 806 807 and 1204. III. R.C.C grade M 20 i) For height upto 5 m

Supplying, fitting and placing TMT (Fe-500 D) reinforcement bar (From Primary Producer: TATA/SAIL/Esser Steel/ Jindal steel/Shyam steel/RINL) in substructrue complete as per drawings and technical specification Clauses 1002, 1005, 1010 & 1202

RCC Bridge:- Earth work in excavation for foundation of structures as per drawings & technical specifications, including setting out, construction of shoring and bracing, removal of stumps and other deleterious matter, dressing of sides and bottom and back filling with approved material as per MORTH clause No.304. i. In Ordinary Soil ii. 3.00m to 6.00m depth

Bored cast-in-situ M35 grade R.C.C. pile excluding reinforcement complete as per drawing and technical specifications nd removal of excavated earth with all lifts and lead upto 1000 m. (Pile diameter-1200 mm)

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

Leveling Course for Pile Cap Providing and Laying ofm PCC M-15 levelling course below the pile cap as per drawing and technical specification of MORTH section.

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 (I) Using Concrete Mixer

Reinforcement in Foundation: Supplying, fitting and placing TMT IS:1786 Fe500 D bar reinforcement in foundation complete as per drawing and technical specificationsTMT-IS 1786 ( Fe-500 D) Primary Producer (TATA/ SAIL/ Esser Steel/ Jindal panther steel/ Shyam steel or equivalent)

Plain/Reinforced cement concrete, in sub structure complete as per drawing and technical specification and steel shuttering formwork (A) For height upto 5 m (i)R.C.C. grade M 25 (1)With Batching Plant Transit Mixer and concrete pump

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)

Supplying, fitting and fixing in position true to line and level elastomeric bearing conforming to IRC:83 (Part-II) Section IX and clause 2005 MoRTH specification complete including all accessories as per drawings and technical specification

Super Structure :-Furnishing and Placing Reinforced/Prestressed cement concrete in super-structure as per drawing and Technical Specification' including steel shuttering formwork. B. RCC M-25 Case-II Using Batching plant ,Transit mixer , concrete Pump C . Height above 10m

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)

Providing and laying Cement concrete wearing coat M-30 grade including reinforcement complete as per drawing and Technical Specifications

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

Providing and laying of a strip seal expansion joint catering to maximum horizontal movement up to 70mm, compete as per approved drawings and standard specificatios to be installed by the manufacture/supplier or their authorised representative ensuring compliance to the manufacturer's instruction for installation.

Drainage spouts complete as per drawing and technical specifications

Carrying out Sub Soil investigation (SSI) for all type of soil (except boring in rock) upto depthof 30 m or refusal (N=100) for each foundation location as per IRC 78-2014 and submission of SSI report to the Engineer in charge for approval . Preparation & submission of Design calculation & Drawings of foundation , sub structure,Super structure as relevant IRC Codes and SSI Report , 2( two) each of Design& Drawing of each bridge to be submitted for approval and 8 ( eight)copies after approval of competent authority. including providing and erecting informatory sign board as per norms of NABARD

Providing & laying of boulder apron laid in wire crates with 14mm dia GI wire conforming to IS : 280 in 100 mm x 100mm mesh (woven diagonally) including 10% extra for laps 7 joints laid with stone boulder weighing not less than 25 Kg each as per drawing

Providing and laying Pitching on slopes laid over prepared Filter media asper drawing and technical specifications clause 1302 I. Stone Boulder

Providing and laying Filter material underneath Pitching in slopes complete asper drawing and technical specifications clause 1302

MOHSIN AHMED

Panna Deb

SAMIM AKHTER CHOUDHURY