Construction of RCC Bridge No. 1/1 along with approaches and protection work on Borjarani Lakhimandir Road in Behali LAC under SOPD-G for the year 2019-20 (Package No. TRC/SOPD-G/BEH/07)

Amount

BRIDGE PROPER Labour for dismantling all members of the timber bridge (excluding piles) with necessary scaffolding, jati bamboos, jumper ropes etc, complete and stacking them at suitable places as directed (all members will be under custody of the contractor till taken over by the department)

Labour for taking out old piles of timber bridge with necessary scaffolding, jati bamboos, jumper ropes etc, complete and stacking them at suitable places as directed.

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,backfilling the excavated earth to the extent required and utilising the remaining earth locally for road work.) I) Ordinary soil (A) Manual means (upto 3.0 m depth) with dewatering

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-1000 mm)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.

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

Levelling course for Pile cap

Cement concrete for reinforced concrete in pile cap omplete as per drawing and Technical Specification. I)without plastichiser B) RCC M 25 with mixer machine

Plain/Reinforcedcement concrete, in sub structure complete as per drawing and technical specification and steel shuttering formwork N)Without plastichiser F/ a/ i )with RCC M25 grade using concrete mixer

Supplying, fitting and placing TMT bar reinforcement in substructure complete as per drawing and technical specifications a) TMT-IS 1786 ( Fe-500 D) Primary Producer (TATA/ SAIL/ 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 B) sandy 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 toeards the wall and provided over the entire surfaces behind the abutement, wing wall and return wall to the full height compacted to firm condition complete as per drawing and technical specification

Supplying, fitting and fixing in position true to line and level elastomeric bearing conforming to IRC:83 (Part-II) Section IX complete, including all accessories as per drawings and technical specification Clause 1207.1

Furnishing and Placing Reinforced/Prestressed cement concrete in super-structure as per drawing and Technical Specification' including steel shuttering formwork. ii) T- beam and slab B) M-25 grade a) upto 5 m height

Supplying, fitting, and placing TMT bar reinforcement in superstructure complete as per drawing and technical specifications Clauses 1002, 1010 and 1202 a) TMT-IS 1786 ( Fe-500 D) Primary Producer (TATA/ SAIL/ Esser Steel/ Jindal panther steel/ Shyam steel or equivalent)other make ISI marked TMT rebar

Providing and laying cement concrete wearing course M 30 grade including reinforcement complete as per drawing and technical specifications Clauses 800 and 1206.3

Construction of R.C.C. railing of M 25 grade in cast-in-situ with 20 mm nominal size aggregate, 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 Clauses 800, 900 and 1208.3

Drainage spouts complete as per drawing and technical specifications Clause 1209

Elastomeric Slab Steel Expansion Joint (Providing and laying of an elastomeric slab steel expansion joint, catering to right or skew (less than 20 deg., moderately curved with maximum horizontal movement upto 50 mm, complete as per approved drawings and standard specification to be installed by the manufacture/supplier or their authorisedrepresentative ensuring compliance to the manufacturers instructios for installation and clause 2506 ofMORTS&H specification of bridge works.)

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. )

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 withearth topping complete as per direction of the deptt

ROAD AND BRIDGE APPROACH WORKS Clearing and Grubbing Road Land .(Clearing and grubbing road land including uprooting rank vegetation, grass, bushes, shrubs, saplings and trees girth up to 300 mm, removal of stumps of trees cut earlier and disposal of unserviceable materials and stacking of serviceable materials to beused or auctioned up to lead of 1000 metres including removal and disposal of top organic soil not exceeding 150mm thickness. i) By manual means (A) in area of non thorny jungles. Qntty=2x105.00x30.00=6300m2=0.630hec

Embankment Construction with Material Obtained from Borrow Pits (Construction of embankment with approved material obtained from borrow pits with all lifts and leads, transporting to site, spreading, grading to required slope and compacting to meet requirment of table 300-1 & 300-2with a lead upto 1000m as per Technical specification clause 301.5. i) Private land

Construction of Subgrade and Earthen Shoulders (Construction of subgrade and earthen shoulders with approved material obtained from borrow pits with all lifts & leads, transporting to site, spreading, grading to required slope and compacted to meet requirement of table (300-2)with lead upto 1000m as per tecnical specification clause 310. ( i) Private land

Scarifying Existing Granular Surface to a Depth of 50 mm by Manual Means (Scarifying the existing granular road surface to a depth of 50 mm and disposal of scarified material within all lifts and leads upto 1000 metres.) 301.4 2x100x3.75=750 sqm

Turfing with Sods (Furnishing and laying of the live sods of perennial turf forming grass on embankment slope, verges or other locations shown on the drawing or as directed by the engineer including preparation of ground, fetching of rods and watering)

Granular sub-base with well graded material(Table 400-1 A) By Mix in Place Method (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 vibratory roller to achieve the desired density,complete as per cl. 401

Water Bound Macadam (Providing, laying, spreading and compacting stone aggregates of specific sizes to water bound macadam specification including spreading in uniform thickness, hand packing, rolling with vibratory roller 8-10 tonnes in stages to proper grade and camber, applying and brooming requisite type of screening/binding material to fillup the interstices of coarse aggregate,watering and compacting to the reqd. density ( with an initial lead of 5.0 km. ) A By Manual Means (II)Grading II using screening type B

Water Bound Macadam (Providing, laying, spreading and compacting stone aggregates of specific sizes to water bound macadam specification including spreading in uniform thickness, hand packing, rolling with vibratory roller 8-10 tonnes in stages to proper grade and camber, applying and brooming requisite type of screening/binding material to fillup the interstices of coarse aggregate,watering and compacting to the reqd. density ( with an initial lead of 5.0 km. ) A By Manual Means (II)Grading III using screening type B

Prime coat (Providing and applying primer coat with bitumen emulsion on prepared surface of granular Base including clearing of road surface and spraying primer at the rate of 1.00 kg/sqm using mechanical means.)( Including cost of testing of materials at site and laboratory as directed by the deptt.) i)with CSS-1h

Tack coat Providing and applying tack coat with bitumen emulsion using emulsion pressure distributor at the rate of 0.20 kg per sqm on the prepared bituminous/granular surface cleaned with mechanical broom.( Including cost of testing of materials at site and laboratory as directed by the deptt.) (I)With Bitumen emulsion CSS-1h (c) Granular surfaces treated with primer

Open - Graded Premix Surfacing (Providing, laying and rolling of open - graded premix surfacing of 20 mm thickness composed of 13.2 mm to 5.6 mm aggregates either using penetration grade bitumen to required line, grade and level to serve as wearingcoarse on a previously prepared base, including mixing in a suitable plant laying and rolling with a smooth wheeled roller 8-10 T capacity to yhe reqd. level and grade. ( including carriage up to initial lead of 5.0 km from quarry and 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.) A Without anti stripping agent (i) Mechanical method using Penetrationgrade Bitumen ( 60/70 or VG-30 grade) and HMP of appropriatecapacity not less than 75 tonnes /

Seal Coat (Providing and laying seal coat sealing the voids in a bituminous surface laid to the specified levels, grade and cross fall using Type A and B seal coats) ( including carriage up to initial lead of 5.0 km from quarry )( Including cost of testing of materials at site and laboratory as directed by the deptt.) (a) Without anti stripping agent Case - II : Type B (Providing and laying of premix seal coat with HMP of appropriate capacity not less than 75 tonnes/ hours using crushed stone chipping 6.7 mm size and penetration bitumen of 60/70 or VG-30 grade.)( including carriage up to initial lead of 5.0 km from quarry )

PROTECTION WORKS Providing and laying Pitching on slopes laid over prepared filter media including boulder apron laid dry in front of toe of embankment complete as per drawing and Technical specifications A Stone/Boulder

Providing and laying filter material underneath pitching in slopes complete as per drawing and technical specification cl. 1302.

Boulder apron laid in wire crates Provinding and laying boulder apron laid in wire crates made with 4mm dia GI wire conforming to IS: 280 & IS :4836 in 100mm x 100mm mesh including 10 percent exyra for laps and joints laid with stone boulders weighing not less than 40 kg each as per drawing and Technical specification cl. 1301

Carrying out Sub-soil investigation for all types of soil (except Boring on rock) upto to 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 and submission of design calculation and drawing of foundation ,sub-structure and super-structure as per releavent IRC code SSI report,2Copies each of design & drawing of each bidge to be submitted for approval and eight copies of after approval by competent authority `

JANARDHAN BRAHMA