MLCSNA/RIDF-XXV/Udalguri/05

Amount

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 driving timber piles of 25cm to 30cm diameter, dressed to heartwood 90cm. In length including supplying, fitting and fixing with 2 no.s of 50mmX 10mm MS FI claps and 16mm dia MS bolts and nuts etc. complete as directed.

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 laying cutting edge of mild steel weighing 40kg 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 open 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 open 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 open 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 open 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 open 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 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. (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. (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.(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 ISI marked TMT primary producer(TATA/SAIL/Jindal)

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. 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).

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.

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.

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 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 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

Pabitra Boro

NELSON BASUMATARY