Construction of Bailey Bridge over Nallah at Kulicherra on road from 2nd KM PMGSY Road AS-03-153 to Upper Phynum LP School (Group-B) (Assam- Mizoram Border) under SOPD-G for the year 2021-22, Dholai LAC.,P No.SE/DHOLAI/SOPD-G/21-22/1

Amount

Excavation in soil in Hilly Area by mechanical means including cutting and trimming of side slopes and disposing of excavated earth with a lift upto 1.5 m and a lead upto 20 m as per Technical Specification Clause 1603.1

Construction of embankment with approved materials deposited at site from roadway cutting and excavation from drain and foundation of other structures graded and compacted to meet requirement of Tables 300.1 and 300.2 as per Technical Specification Clause 301.5

3.4.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.

3.14.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

(A) By Mix in Place Method 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. (I) For Grading II Material

3) WBM Grading 3 Using stone screnning Type -B 11.2mm for G.III 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. (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

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

Metal Beam Crash Barrier, Type - A: "THRIE" Metal Beam Crash Barrier (Providing and erecting a "Thrie" metal beam crash barrier comprising of 3 mm thick corrugated sheet metal beam rail, 85 cm above road/ground level, fixed on ISMC series channel vertical post, 150 x 75 x 5 mm spaced 2m center to center, 12 m high, 1.15m below ground 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 150mmX75mmX5mm, 546mm long complete as per clause 810.)

Excavation for structures. Earth work in excavation for structureas upto 3m depth as per drawing and technical specification clause 1104 , 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.

Providing Concrete for plain/reinforced concrete in open foundation complete as per drawing and technical specification Clause802,803,1202,&1203 B. with natural Gravel (i) PCC Grade M10 (I)nominal mix 1:3:6.

Plain/reinforced cement concrete in substructure complete as per drawings and technical specification Clauses 802, 804, 805, 806, 807, 1202 ans 1204 With Natural Gravel P.C.C. grade M 20 (ii)Nominal mix 1:2:4 (Hand mixed)

Providing & laying reinforced cement concrete pipe NP3 as per designed in single row for culvert on 1 st class beddting of granular materials including fixing of collars with cement mortor 1:2 asper CL No. 1106.(i) 1200mm Dia

Plastering with Cement Morter (1:4), 15mm thick on brick work in sub structure as per drawing & technical specification.

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.(i)In Ordinary Soil, 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 and removal of excavated earth with all lifts and lead upto 1000 m. (Pile diameter-1000 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. RCC Grade M25; 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 specifications. TMT-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 formworkchnical specification and steel shuttering formwork Without Plasticiser, RCC Grade M25, Height upto 5m, 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)

Backfilling behind abutment, wing wall and return wall complete as per drawings & technical specification Clause 1204.3.8 Granular material

Launching of a 100 ft DSR 2 Transom Per Bay Standard Width Steel Deck Bailey Bridge over Nallah at Kulicherra on Road from PMGSY Road AS-03-153 (2 KM) to upper Phynum upgraded LP School, Cachar including transportation of Bailey bridge components etc.

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 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

Providing close bamboo toe walling consisting of 65mm to 75mm dia bamboos of length ranging from 1.2 m to 3m driven at 150 mm centre to centre and provided with three horizontal split bamboo runner fixed with nails. All bamboos to be duly protected by coal tar painting.

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.

SRI BIKASH SARMA