MLCSNA/RIDF-XXV/Udalguri/03

Amount

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.

Foundation : '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,back filling withapproved material. I. ordinary soil A) Manual means (a)without dewatering (ii) 3m to 6m depth

Providing and constructing temporary island 12 m diameter for construction of well foundation for 8m dia. Well cmplete as per clause 1200 of MORTH specifications. Assuming depth of water 4.0m and height of island 4.5m.

Providing and laying cutting edge of mild steel weighing 40kn per meter for well foundation complete as per drawing and technical specification as per section 1200 and 1900 of MORTH specification.

Plain /Reinforced cement in well foundation complete as per drawing &clause 1200, 1500, 1700of MORTH specifications.A. well curb I) RCC M25 grade case I- Using concrete mixer

Plain /Reinforced cement in well foundation complete as per drawing &clause 1200, 1500, 1700of MORTH specifications.A. well steining I) RCC M25 grade case I- Using concrete mixer

Plain /Reinforced cement in well foundation complete as per drawing &clause 1200, 1500, 1700of MORTH specifications.A.bottom plug I) RCC M20 grade case I- Using concrete mixer

Plain /Reinforced cement in well foundation complete as per drawing &clause 1200, 1500, 1700of MORTH specifications.A.top plug I) PCC M15 grade case I- Using concrete mixer

Plain /Reinforced cement in well foundation complete as per drawing &clause 1200, 1500, 1700of MORTH specifications.A.well cap I) RCC M25 grade case I- Using concrete mixer

Sinking of 6 m external diameter well ( other than pneumatic method of sinking ) complete as per drawing and technical specifications cl. MORTH Section No 1200. Sandy soil . Depth below bed level upto 3.0 M

Sinking of 6 m external diameter well ( other than pneumatic method of sinking ) complete as per drawing and technical specifications cl. MORTH Section No 1200. Sandy soil . Beyond 3m upto 10m depth

Sinking of 6 m external diameter well ( other than pneumatic method of sinking ) complete as per drawing and technical specifications cl. MORTH Section No 1200. Sandy soil . Additional depth Beyond 10m upto 20m

Sinking of 7 m external diameter well ( other than pneumatic method of sinking ) through all types of strata namely sandy soil, clayey soil and rock as shown against each case, complete as per drawing and technical specifications. Depth of sinking is rekonewed from bed level. (A)sandy soil (i)Depth below bed level upto 3.0 M

Sinking of 7 m external diameter well ( other than pneumatic method of sinking ) through all types of strata namely sandy soil, clayey soil and rock as shown against each case, complete as per drawing and technical specifications. Depth of sinking is rekonewed from bed level. (A)sandy soil (i)Beyond 3.0 M upto 10.0m depth

Sinking of 7 m external diameter well ( other than pneumatic method of sinking ) through all types of strata namely sandy soil, clayey soil and rock as shown against each case, complete as per drawing and technical specifications. Depth of sinking is rekonewed from bed level. (A)sandy soil (i)Additional depth Beyond 10.0 M upto 20.0m depth

Sand filling in wells complete as per drawing and technical specifications as per Cl. 1207 of Morth specification.

Supplying, Fitting and Placing un coated TMT bar reinforcement in foundation complete as per drawing and technical specification.

Substructure : 'Plain/Reinforced cement concrete, in sub structure complete as per drawing and technical specification and steel shuttering formwork RCC Grade M25 Height upto 5m 'Case I : Using concrete Mixer (Refer to quantity estimation)

Supplying, fitting and placing TMT bar reinforcement in sub-structure complete as per drawing and technical specifications

Supplying, fitting and fixing in position true to line and level elastomeric bearing conforming to IRC: 83(Pt.-II) section IX and clause 2005 of MoRTH specifications complete including all accessories as per drawing and Technical Specifications.

Superstructure : 'Furnishing and Placing Reinforced cement concrete in super-structure as per drawing and Technical Specification' including steel shuttering formwork. N. Without Plasticizer For RCC T Beam and Slab B. RCC M-25 Grade I. Using Concrete Mixture

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 .

Providing and laying cement concrete wearing course M30 grade including reinforcement complete as per drawing and technical specifications. (Refer to quantity estimation)

Construction of precast RCC railing of M30 Grade in-situ with 20 mm nominal size aggregate, 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.

Strip Seal Expansion Joint (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 instruction for installation).

Drainage Spouts complete as per drawing and Technical specification (Refer to quantity estimation)

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

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.

Protection Work: Providing and laying pitching on slopes laid over prepared filter media including boulder apron laid dry in front of toe of embankment cpmplete as per drawing and specification. A) Stone/boulder(Qty as per statement of protection work)

Providing and laying Filter material underneath pitching in slopes complete as per drawing and Technical specification clause (Qty as per statement of 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.)

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 as per technical specification cl 201.

Embankment Construction with Material Obtained from Borrow Pits (Construction of embankment with approved material obtained from borrow pits with all lifts and leads upto 1.5m, transporting to site, spreading, grading to required slope and compacting to meet requirment of table 300-1 and 300-2 including all leads as per technical specification clause 301-5

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 technical specification as cl. 303.1

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.) A) By Mix in place method ii) For Grading -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 tones capacity in stages to proper grade and camber, applying and booming, crushable screening to fill-up the interstices of coarse aggregate, watering and compacting to the required density grading3as per technical specification cl 405 By Manual Means c) Using Screening Type-A (13.2mm Agg.) I) WBM Grading III

Providing and laying shaded interlocking concrete block pavement having thickness 80mm as per IS 15658 2006(compressive strength of 47.2N/sq.mm)

Providing and laying M40 grade cement concrete Edge block/edge restraints complete as per cl 1504

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.

Retro reflectorised Traffic sign: 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)60cm equilateral traingle

AJOY NARZARY