Construction of Road from NH-37 to Mulankata Adarshagaon including R.C.C. Bridge

Amount

Bridge Proper

Bridge Proper Dismanting of existing structure like culverts, bridges, retaining wall and other structure comprising of masonry, cement concrete wood work, steel work including T&P and scaffolding where ever necessary, soting the dismantled material disposal of an un servicable material and stacking the servicable material with all lifts and lead of 1000 metres as per technical specification as per MORTH Clause No. 202 iv) wood work wrought framed and fixed frame of trusses up to a height of 5 m above plinth level.

Foundation Earthwork in excavation for structuresas per drawings and technical specifications clause 305.1, including setting out, construction of shoring and bracing removal of stumps and other deleterious materials disposal upto a lead of 50m, dressing of sides and bottom and backfilling in trenches with excavated suitable materials. i) in ordinary soil (A) Manual means (I) Without dewatering i) upto 3 m depth ii) 3.00 to 6.00 m depth v) Marshy soil

Bored cast-in-situ M 35 grade RCC pile excluding reinforcement complete as per drawing and technical specifications and removal of excavated earth with all lead and lift up to 1000m as per MORTH Section No. 1100 & 170 Pile diameter = 1000 mm Pile diameter = 1200 mm

Pile load test on single vertical pile in accordance with I.S. 2911 ( Part IV) as per technical specifications of MORTH section No. 1100 a) Initial load test & Routine load test b) Lateral load test

Cement concrete for reinforcement concrete in pile cap complete as per drawing and technical specifications of MORTH section no 1100,1500 & 1700 (N) Without Platisizer B. RCC grade M- 25 Case I: Using concrete mixer

Levelling course for Pile cap Providing and Lying of PCC M-20 levelling course 100mm thick below the pile cap. As per drawing and technical specifications of MORTH section

Reinforcement in Foundation: Supplying, fitting and placing TMT IS:1786 Fe500 D bar reinforcement in foundation complete as per drawing and technical specifications b) TMT-IS 1786 ( Fe-500 D) Secondary Producer (ISI approved)

Substructure Plain / Reinforced Cement concrete in substructure complete as per drawing and Technical Specificationas clause 802, 804,805,807,1202 and 1204 F) RCC Grade M 25 a) Height upto 5.0m

Supplying, fitting and placing TMT bar reinforcement in sub-structure complete as per drawing and technical specifications .. b) TMT-IS 1786 ( Fe-500 D) Secondary Producer (ISI approved)

Supplying, fitting and fixing in position true to line and level elastomer bearing conforming to IRC : (83 pt.l) section ix complete as per drawing and technical specifications clause 1207.1

Back filling behind abutment, wing wall and return wall complete as per drawing and Technical specification B) Sandy material

Superstructure Providing and laying reinforced cement concrete in superstructure as per drawing and technical specificationclause 800,1205 and 1205.5 A) With Crushed Stone B. RCC grade M - 25 Case I : Using concrete mixer (ii) For T beam and slab, 1) Height iupto 5.0 m 2) Height 5.0m to 10.0m 3) Height above 10.0m

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 b) TMT-IS 1786 ( Fe-500 D) Secondary Producer (ISI approved)

Providing and laying cement concrete wearing coat M 30 grade including reinforcement complete as per drawing and Technical specification .

Construction of 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.

Drainage Spouts complete as per approved drawing and technical specifications Clause 1209

Reinforced cement concrete approach slab including reinforcement and formwork complete as per drawing and Technical specification b)TMT-IS 1786 ( Fe-500 D) Secondary Producer (ISI approved)

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 8mm dia, 100mm long galvanized nails spaced strip seal 300mm C/C along the center line of the plate , all as specified in clause 2604.)

Carrying out Sub Soil Investigation (SSI) for all type of soil (except boring in rock ) up to a depth of 30.m or refusal (N=100) for each foundation location as per IRC :78-2000 and submission of the SSI report to the engineer incharge for approval . Preparation & submission of design calculation & drawing of foundation, sub-structures, super-structures as per relevant IRC codes and SSI report 2 (two) copies each of design & drawing of each bridge to be submitted for approval and 8 (eight) copies after approval of competent authority .

PROTECTION WORK AT RCC Br.

Providing and laying boulders apron laid in wire crates made with 4mm dia wire conforming to IS:4826 & IS:280 in 100mm x 100mm mesh (weaved diagonally) including 10% extra for laps and joints laid with stone boulders weighing not less than 25 Kg each as per drawingand technical sprcification Clause 1301

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.

Approach works

Construction of embankment with approved material obtained from borrow pits with a lift upto 1.5 m, transporting to site, spreading, grading to required slope and compacting to meet requirement of Tables 300.1 and 300.2 with a lead upto 1000 m as per Technical Specification Clause 301.5 (i) Private land.

Construction of subgrade and earthen shoulders with approved material obtained from borrow pits with all lifts and leads, transporting to site, spreading, grading to required slope and compacted to meet requirement of Table 300.2 with lead upto 1000 m as per Technical Specification Clause 303.1. (i) Private land.

Granular Sub-base with Close Graded Material (Table:- 400-1) By Mix in Place Method (Construction of granular sub-base by providing close 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( Including cost of testing of materials at site and laboratory as directed by the deptt.)

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. ) Grading-II Using Screening Type-B (11.2mm Agg.)

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. ) Grading-III

Providing and laying Interlocking Concrete Block Pavement (ICBP) conforming to IS:15658-2006 including all lead and lift complete as per technical specification and as directed. 80mm thick interlocking precast blocks having compressive strength of 40N/sq.mm.

Providing and laying M-40 grade cement concrete Edge block/ Edge restraints complete as per Technical specification clause 1504.

Tubular Steel Railing on Precast RCC posts, 1.2 m high above ground level (Providing, fencing and erecting 50 mm dia painted steel pipe railing in 3 rows on precast M20 grade RCC vertical posts1.8 metres high (1.2 m above GL) with 3 holes 50 mm dia for pipe, fixed 2meters center to center, complete as per approved drawing.

Road Work

Construction of embankment with approved material obtained from borrow pits with a lift upto 1.5 m, transporting to site, spreading, grading to required slope and compacting to meet requirement of Tables 300.1 and 300.2 with a lead upto 1000 m as per Technical Specification Clause 301.5 (i) Private land.

Construction of subgrade and earthen shoulders with approved material obtained from borrow pits with all lifts and leads, transporting to site, spreading, grading to required slope and compacted to meet requirement of Table 300.2 with lead upto 1000 m as per Technical Specification Clause 303.1. (i) Private land.

Granular Sub-base with Close Graded Material (Table:- 400-1) 'By Mix in Place Method (Construction of granular sub-base by providing close 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( Including cost of testing of materials at site and laboratory as directed by the deptt.)

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. )

Providing and laying Interlocking Concrete Block Pavement (ICBP) conforming to IS:15658-2006 including all lead and lift complete as per technical specification and as directed. 80mm thick interlocking precast blocks having compressive strength of 40N/sq.mm.

Providing and laying M-40 grade cement concrete Edge block/ Edge restraints complete as per Technical specification clause 1504.

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) (i)90cm equilateral traingle

(ii)60cm equilateral traingle

Protection work at erroded portion of Road

Construction of embankment with approved material obtained from borrow pits with a lift upto 1.5 m, transporting to site, spreading, grading to required slope and compacting to meet requirement of Tables 300.1 and 300.2 with a lead upto 1000 m as per Technical Specification Clause 301.5 (i) Private land.

Providing and laying boulders apron laid in wire crates made with 4mm dia wire conforming to IS:4826 & IS:280 in 100mm x 100mm mesh (weaved diagonally) including 10% extra for laps and joints laid with stone boulders weighing not less than 25 Kg each as per drawingand technical sprcification Clause 1301

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.

Md. Sirajul Islam