Improvement and Widening of NH-15 at Bamungula to Mansiri under SOPD-G for 2019-20

Amount

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.(i) By Manual means-(A) In area of thorny jungle

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 with a lead upto 1000 m as per Technical Specification Clause302. (i) From private land

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 a lead upto 1000 m as per Technical Specification Clause303.1. (i) From private land

Providing brick soling in earthen shoulder with stone/best quality jhama brick, sand packed and laid to true line and level and in panel after preparing the subgrade including earthwork in excavation as directed including all labour and materials and if necessary dewatering, complete. Stone soling of thickness 150mm.

Excavation in Cutting in Soil by manual means with lead upto 50 m (i) Excavation for roadway in soil using manual means for carrying of cut earth to embankment site with a lift upto 1.5 m and lead upto 50 m as per Technical Specification Clause 302.3 (Manual should be use where machines can not be deployed due to site condition)

Granular Sub-base with Well Graded Material (Table 400.1) By Mix in Place Method (Construction of granular sub-base by providing well 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 smooth wheel roller to achieve the desired density, complete as per Technical Specification Clause 401)

Wet Mix Macadam Providing, laying, spreading and compacting graded stone aggregate to wet mix macadam specification including premixing the material with water at OMC in mechanical mixer (Pug Mill), carriage of mixed material by tipper to site, laying in uniform layers in sub-base/base course on a well prepared sub-base and compacting with smooth wheel roller of 80 to 100kN weight to achieve the desired density including lighting, barricading and maintenance of diversion, etc as per Tables 400.11 & 400.12 and Technical Specification Clause 406. By Mechanical Means with 1 km lead

Interlocking Concrete Block Pavement : Providing and laying of Interlocking Concrete Block Pavement having thickness 80 mm as per drawings and Technical Specification Clause 15658 2006 ( Compressive strength 47.2 N/mm sq.)

Extra for providing and laying Coloured interlocking concrete block pavement as per technical specification clause 1504 complete including carriage. Quanty = ( 2 x 61300.00 x 0.11 ) + ( 1 x 3.75 x 2.05 ) = 1356.2875 m²

Retro-reflectorised Traffic Signs Providing and fixing of retro-reflectorised cautionary, mandatory and informatory sign as per IRC:67 made of encapsulated lens type reflective sheeting vide Clause 1701.2.3 fixed over aluminium sheeting, 1.5 mm thick supported on a mild steel angle iron post 75 mm x 75 mm x 6 mm firmly fixed to the ground by means of properly designed foundation with M15 grade cement concrete 450 mm x 450 mm x 600 mm, 600 mm below ground level as per drawings and Technical Specification Clause 801.(ii) 600mm equilateral triangle

Retro-reflectorised Traffic Signs Providing and fixing of retro-reflectorised cautionary, mandatory and informatory sign as per IRC:67 made of encapsulated lens type reflective sheeting vide Clause 1701.2.3 fixed over aluminium sheeting, 1.5 mm thick supported on a mild steel angle iron post 75 mm x 75 mm x 6 mm firmly fixed to the ground by means of properly designed foundation with M15 grade cement concrete 450 mm x 450 mm x 600 mm, 600 mm below ground level as per drawings and Technical Specification Clause 801.(iii) 600mm circular

Retro-reflectorised Traffic Signs Providing and fixing of retro-reflectorised cautionary, mandatory and informatory sign as per IRC:67 made of encapsulated lens type reflective sheeting vide Clause 1701.2.3 fixed over aluminium sheeting, 1.5 mm thick supported on a mild steel angle iron post 75 mm x 75 mm x 6 mm firmly fixed to the ground by means of properly designed foundation with M15 grade cement concrete 450 mm x 450 mm x 600 mm, 600 mm below ground level as per drawings and Technical Specification Clause 801.(iv) 800mm x 600mm rectangular

Kilometre Stone Reinforced cement concrete M15 grade kilometre stone/local stone of standard design as per IRC:8 fixing in position including painting and printing, etc as per drawing and Technical Specification Clause 1703,(ii) Ordinary Kilometer Stone (Precast)

(iii) 200 m stone (precast)

Planting of Trees and their Maintenance for three Year (Planting of trees by the road side (Avenue trees) in 0.60 m dia holes, 1 m deep dug in the ground, mixing the soil with decayed farm yard/sludge mannure, planting the saplings, backfilling the trenches, watering , fixing the tree guatrd and maintaining the plants for three year.

Road Markers/Road Stud with Lens Reflector Providing and fixing of road stud 100 x 100 mm die cast in aluminium, resistant to corrosive effect of salt and grit, fitted with lense reflectors, installed in concrete or asphaltic surface by drilling holes 30 mm upto a depth of 600 mm and bedded in a suitable bituminous grout or epoxy mortar, all as per BS:873 (Part 4) 1973.

Providing and laying of boulder apron laid in wire crates with 4 mm dia GI wire conforming to IS:280 and IS:4826 in 100 mm x 100 mm mesh (woven diagonally) including 10 per cent extra for laps and joints laid with stone boulders weighing not less than 25 kg each as per drawing and technical specifications Clause 1301

Providing and laying pitching on slopes laid over prepared filter media as per drawing and technical specifications Clause 1302 A. Stone/Boulder

Providing and laying filter material underneath pitching in slopes complete as per drawing and technical specifications Clause 1302

Earthwork in excavation for structures as per drawing and technical specifications Clause 305.1 including setting out, construction of shoring and bracing, removal of stumps and other deleterious material and disposal upto a lead of 50 m, dressing of sides and bottom and backfilling in trenches with excavated suitable material. (I)ordinary soil (I) Up to 3.0 m depth

Providing concrete for plain/reinforced concrete in open foundations complete as per drawings and technical specifications Clause 802, 803, 1202 & 1203 A. With crushed stone. (i) P.C.C grade M 10 ( Nominal mix 1:3:6 )

(iii) PCC Grade M 20, Nominal mix (1:2:4)

Plain/reinforced cement concrete in substructure complete as per drawings and technical specification Clauses 802, 804, 805, 806, 807, 1202 ans 1204 A. With Crushed Stone ,(ii) P.C.C. grade M 20 Nominal mix 1:2:4

(III) RCC Grade M20 for height upto 5 m

Providing and laying reinforced cement concrete in superstructure as per drawing and technical specifications Clauses 800, 1205.4 and 1205.5(A) With crushed stone II. RCC Grade M25 (i) For nominal mix 1:2:4 (a) Height upto 5m

Supplying, fitting and placing TMT (Fe-500 D) reinforcement bar . (From Primary Producer: TATA/SAIL/Esser Steel/ Jindal steel/Shyam steel/RINL) in superstructure complete as per drawing and technical specifications Clauses 1002, 1010 and 1202

Providing and laying cement concrete wearing course M 30 grade including reinforcement complete as per drawing and technical specifications Clauses 800 and 1206.3

Construction of R.C.C. railing of M 25 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 Clauses 800, 900 and 1208.3

Providing weepholes in brick masonry/stone 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 1(V):20(H) towards drawing face complete as per drawing and technical specification Clauses 614, 709, 1204.3.7

Backfilling behind abutment, wing wall and return wall complete as per drawings & technical specification Clause 1204.3.8,(ii) Sandy material

Providing and laying of dry rubble flooring complete as per drawings and technical specifications Clause 1303.3

Providing and laying of boulder apron laid in wire crates with 4 mm dia GI wire conforming to IS:280 and IS:4826 in 100 mm x 100 mm mesh (woven diagonally) including 10 per cent extra for laps and joints laid with stone boulders weighing not less than 25 kg each as per drawing and technical specifications Clause 1301

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 taking out old piles of timber bridge with necessary scaffolding, jati bamboos, jumper ropes etc, complete and stacking 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.,Ordinary soil A. Manual means. (I) Without dewatering

(ii) 3 m to 6 m depth

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

Cement concrete for reinforced concrete in pile cap complete as per drawing and technical specifications,B. RCC Grade M25 ( Using Concrete Mixer)

Levelling course for pile cap : providing and lying of PCC M15 levelling course 100mm thick below the pile cap

Reinforcement in Foundation: Supplying, fitting and placing TMT IS:1786 Fe500 D bar reinforcement in foundation complete as per drawing and technical specifications ( a ) TMT-IS 1786 ( Fe-500 D) Primary Producer (TATA/ SAIL/ Esser Steel/ Jindal steel/ Shyam steel or equivalent)

Plain/Reinforced cement concrete, in sub structure complete as per drawing and technical specification and steel shuttering formwork ,RCC Grade M25 (Using Concrete mixer)

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

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 structure with slope of 1V :20H towards drawing foce. Complete as per drawing and Technical specification.

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

Providing and laying of Filter media with granular materials/stone crushed aggregates satisfying the requirements laid down in clause 2504.2.2. of MoRTH specifications to a thickness of not less than 600 mm with smaller size towards the soil and bigger size toeards the wall and provided over the entire surfaces behind the abutement, wing wall and return wall to the full height compacted to firm condition complete as per drawing and technical specification.

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.,B. RCC Grade M25 ( Using Concrete Mixer)

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 ( a ) TMT-IS 1786 ( Fe-500 D) Primary Producer (TATA/ SAIL/ Esser Steel/ Jindal steel/ Shyam steel or equivalent)

Providing and laying cement concrete wearing coat M30 grade including reinforcement complete as per drawing and technical specifications

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

Plain cement concrete M15 grade levelling course below approach slab complete as per Drawing and Technical Specifications

Reinforced cement concrete approach slab including reinforcement and formwork complete as per drawing and Technical specification. (a) TMT-IS 1786 ( Fe-500 D) Primary Producer (TATA/ SAIL/ Esser Steel/ Jindal steel/ Shyam steel or equivalent)

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 @ of 1 litre for 2 Sq.m. ) (B) For RCC Railing

SSI works: Carrying out boring to make 150mm bores using casing not less than 150mm internal dia for all types of soil including clayey, silty, sandy and gravelly soil (except boring in rock) upto a depth of 25/20 m or upto refusal (N = 100) for collectio

Submission of Drawing 2(two) copies each to be submitted for approval and 8(eight) copies after approval along with supporting design calculation and conformatory S.S.I Report for well/pile foundation.

Submission of Drawing 2(two) copies initially for approval and 8(eight) copies after approval along with supporting design calculation in duplicate for substructure.

Submission of Drawing 2(two) copies each to be submitted for approval and 8(eight) copies after approval along with supporting design calculation in duplicate for superstructure ( For PSC/BUG/RCC).

Submission of GAD ( General Arrangement Drawings ) 2(two) copies of each Drawing to be submitted for approval and 8(eight) copies after approval.

ANIL DAS