KXJ_ KRRD_SOPD(G) _18-19_10

Amount

Labour for dismantiling all members of the timber bridge (except piles) 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 piles of the bridge and staking 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 and backfilling with approved material.) I. Ordinary soil A. Manual Means (b) With dewatering (i) upto 3m depth.

Bored cast-in-situ M35 grade RCC 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 - 750 mm) (N) Without plasticiser. Pile diameter 750mm

PCC 1:3:6 in Foundation (Plain cement concrete 1:3:6 nominal mix in foundation with crushed stone aggregate 40 mm nominal size mechanically mixed, placed in foundation and compacted by vibration including curing for 14 days)

Cement concrete for reinforced concrete in pile cap complete as per drawing and Technical Specification including steel shuttering forwork. (N) Without plasticiser (A) RCC Grade M20 (i) Using concrete mixer

Plain / Reinforced cement concrete in sub-structure complete as per drawing and technical specification and steel shuttering formwork. (N) Without plasticiser B. PCC Grade M20 Height upto 5 m

Furnishing and Placing Reinforced / Prestressed cement concrete in super-structure as per drawing and technical specification including steel shuttering formwork. (N) Without Plasticiser A. RCC Grade M20 Case II : Using Batching Plant, Transit Mixer and Concrete Pump (i) For solid slab super-structure (a) Height upto 5m I)Deck Slab, II) Conc. of Kerb

Reinforcement in foundation : Supplying, fitting and placing un-coated TMT bar reinforcement in foundation complete as per drawing and technical specifications (b) With TATA make TMT rebar

Supplying, fitting and placing TMT bar reinforcement in sub-structure complete as per drawing and Technical Specifications (b) With TATA make TMT rebar

Reinforcement in super structure : Supplying, fitting and placing TMT bar reinforcement in super-structure complete as per drawing and Technical Specifications. (b) With TATA make TMT rebar

Construction of R.C.C. railing of M 30 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

Burried Joint (Providing and laying a burried 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 8 mm dia, 100 mm long galvanised nails spaced 300 mm c/c along the centre line of the plate, all as specified in clause 2604)

Drainage spouts complete as per drawing and technical specification

Providing weep holes in Brick masonry/Plain/Reinforced concrete abutment, wing wall, return wall with 100 mm dia AC pipe, extending through the full width of the structures with slope of 1V : 20H towards drawing foce. Complete as per drawing and technical specification

Providing and laying cement concrete wearing coat M-30 grade including reinforcement complete as per drawing and technical specifications.

Reinforced cement concrete approach slab including reinforcement and formwork complete as per drawing and Technical Specification With TATA make TMT grade rebar

Protection work:Providing and laying Filter materials underneath pitching in slopes complete as per drawing an dtechnical specification as per drawing clause 2504 ( including all lead and lift and carriage of materials to the site of work )

Providing and laying pitching on slopes laid over fiter media including boulder apron laid dry in front of toe of embankment complete as per drawing and technical specification clause 2504 (including all lead and lift and carriage of materials to the site of work) (A) Stone/ boulder.

Boulder apron laid in wire creates ( Providing and laying boulder apron laid in wire creates made with 4mm dia G.I wire conforming to I.S : 280 & I.S 4826 in 100mmx100mm wire mesh (woven diagonally ) including 10% extra for lap & joint laid with stone boulders weighing not less than 40kg each) including all lead and lift and carriage of materials to the site of work ) as per drawing and technical specification Clause- 2503

Approaches:Costruction of Embankment with soil borrowpits, with a lifts upto 1.5m transporting to site, spreading, grading to required slope and compacting to meet requirement of Table-300.1 and 300.2 including all leads as per technical Specification Cluse 301.5 (including land compensation of earth)

Cosntruction of sub grade and earthen Shoulders with apporved soil obtained from borrowpits, with all leads and lift transporting to site , spreading, grading to requirements to table 300.2 (including land compensation fo earth). From Private Land.

Construction of granular sub-base by providing well graded materials of grading-II, spreading in uniform layers with motor grader on prepared surface, mixing by mix in place method with rotavator at OMC, and compaction with smoth wheel roller to achive the desired density , complet as per technical Specification Clause 401.

Providing, laying, spreading and compacting stone aggrates of specific sizes to water bound macadam specification including spreading in uniform thickness, hand packing, rolling with vibratory rollers 8-10 tonnes in stages to proper grade and camber, applying and brooming requisite type of screening/ binding materials to fillup the interstices density. By manual means with land broken metals. WBM-II (63mm-45mm)

Providing, laying, spreading and compacting stone aggrates of specific sizes to water bound macadam specification including spreading in uniform thickness, hand packing, rolling with vibratory rollers 8-10 tonnes in stages to proper grade and camber, applying and brooming requisite type of screening/ binding materials to fillup the interstices density. By manual means with land broken metals. WBM-III (53mm-22.4mm)

Providing and applying prime coat with bitumen emulsion (SS- I) on prepared surface of granular base including cleaning of road surface and spraying primer at the rate of 0.70 - 1.00 Kg / sq m using mechanical means as per technical specification Clause 502

Providing and applying tack coat with bitumen emulsion (RS- I) using emulsion ditributor at the rate of 0.20 - 0.30 Kg / sq m on the prepared dry and hungry bituminous surface cleaned with Hydraulic broom as per Technical Specification Clause 503

Providing , laying and rolling of open-graded premix surfacing of 20mm thickness composed of 13.2mm to 5.6mm aggregates either using penetration grade bitumen to required line, grade level to serve as wearing course on a previously prepared base, including mixing in a suitable plant, laying and rolling with a smooth wheeled roller 80-100KN static roller capacity finished to required level and grades to be followed by seal coat if either Type A.

Providing and laying seal coat sealing the voids in a bituminous surface laid to the specific levels, grad and cross fall using Type-A as per Technical Specification Clause 510

Aysha Parvin Choudhury