MLCSNA/RIDF-XXV/Biswanath/03

Amount

Bridge Proper Dismantling of existing structures like culverts,bridges,retaining wallsand other structure comprising of masonary ,cement concrete ,wood work ,steel work,including T&P and scaffolding whereever necessary ,sorting the dismantled material ,disposal of unserviceable material and stacking the serviceable material with all lifts and head of 1000 m as per Technical Specification clause 202

Making 120mm wide bamboo foot bridge with 100 mm Bholuka or Barua Bamboo posts driven 120cm to 180 cm underground 3Nos in each row and rows being 3m apart bholuka or Barua Bamboo struts in each row both up and down stream ,jati bamboo long gorhs closely packed and tied with dham.Single layer of mat placed over 75mm thick brush wood and tied with bholuka or Barua bamboo rail stand fixed in one side of the bridge etc,complete

'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 theremaining earth locally for road work.) Ordinary soil manual Means upto 3 m depth Without 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. (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- Providing and laying of PCC M-15 levelling course 100mm thick 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 of MORTH section RCC Grade M25 Using Concrete Mixer

Supplying, fitting and placing TMT IS:1786 (Fe 500) bar reinforcement in foundation complete as per drawing and technical specifications TMT-IS 1786 ( Fe-500 D) Primary Producer ( TATA/SAIL/Esser Steel …or equivalent)

Plain/Reinforced cement concrete, in sub structure complete as per drawing and technical specification and steel shuttering formwork Without plasticiser RCC Grade M25 Height upto 5m Using concrete Mixer

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 …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.

Furnishing and Placing Reinforced /Prestressed cement concrete in super-structure as per drawing and Technical Specification' including steel shuttering formwork. Without Plasticiser RCC Grade M25 Using Concrete Mixer For T beam and Slab Height upto 5.0 m

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 …or equivalent)

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

Construction of RCC railing of M25 Grade and cast in situ aggregate size not exceeding 12mm, 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.

Providing and laying a strip seal expansion joint, expansion gap being 20 mm, covered with 12 mm thick, 200 mm wide galvanised wieldable structural steel plate as per IS: 2062, placed symmetrical to centre line of the joint, resting freely over the top surfaces of the deck concrete, welding of 8mm dia, 100mm long galvanized nails spaced 300mm C/C along the center line of the plate , all as specified in clause 2604.)

Drainage Spouts complete as per drawing and Technical specification

Reinforced cement concrete approach slab including reinforcement and formwork complete as per drawing and Technical specification

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 @1 litre for 2 Sq.m)

SSI, Drawing & Design 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.

Bridge Approach 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 1000metres including removal and disposal of top organic soil not exceeding 150mm thickness. By Manual Means:- In area of light jungle

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 300-2 ( Including cost of testing of materials at site and laboratory as directed by the deptt.) (a) from 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) (a), ( Including cost of testing of materials at site and laboratory as directed by the deptt.) a) from private land

Granular Sub-base with close graded material (table: 400-1) Plant Mix Method (Construction of granular sub-base by providing close graded Material, mixing in a mechanical mix plant at OMC, carriage of mixed Material to work site, spreading in uniform layers with motor grader on prepared surface and compacting with vibratory power roller to achieve the desired density,complete as per cl. 401( Including cost of testing of materials at site and laboratory as directed by the deptt.) for graging-ii Material

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 all lead) By Mechanical Means Grading- II Using stone Screening

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 all lead) By Mechanical Means Grading- III Using stone Screening

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 bitumen emulsion-CSS-1 (IS-8887-2004)

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 surface 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 of mixed materials up to all lead & lift from mixing plant to site) ( Including cost of testing of materials at site and laboratory as directed by the deptt.) A. Without anti stripping agent (i) Mechanical method using Penetration grade Bitumen ( 60/70 or VG-30 grade) and HMP of appropriate capacity not less than 75 tonnes / hour .

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 C as per Technicl SpecificationsClause 510 by MechanicalMeans -III Type C:Bitumen (S-90)

Protection Work Boulder apron laid in wire crates (Providing and laying of boulder apron laid in wire crates made with 4mm dia GI wire conforming to IS: 280 & IS:4826 in 100mm x 100mm mesh (weaved diagonally) including 10% extra for laps and joints laid with stone boulders weighting not less than 40Kg each.)

Supplying, fitting and fixing RCC guard post 150cm long erected 75cm above the ground and 75cm below the ground with M-15 grade (nominal mix 1:2:4 with broken stone aggregate 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 surfaces in 23cm strips upto 0.75m from the top alternately in black and white and having 2 nos. reflective band of desired shade etc. complete as per design and as directed. 30 cm dia. RCC guard post with reinforcement of 6nos. 12mm dia TMT main steel bars and 6mm TMT/ MS stirrups at 15cm c/c.

CHENTU CHAKLADER

Sailaja Commercial Construction pvt ltd

ANIL DAS