SOPD_G_20_21_184 Metalling and Black topping of Maibang Natun-Disao road from 5th Km to 7 km, including construction of RCC Bridge No. 911 under SOPD-G for the year 2020-21, Haflong LAC

Amount

1/2.3/i.A 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 treescut earlier and disposal of unserviceablematerials and stacking of serviceable materials to beused or auctioned up to lead of 1000metres including removal and disposal of top organic soil notexceeding 150mm thickness. (i)By Manual means A In area of light Jungle

2/3.3 Excavation in Soil with Dozer with lead upto cum 132.00 100 metres (Excavation for road way in soil by mechanical means including cutting and pushing the earth to site of embankment upto a distance of 100 metres (average lead50 metres), including trimming bottom and side slopes in accordance with requirements of lines,grades and cross sections.

3/4.2.ii Granular Sub-Base with Coarse Graded Material ( Table:- 400- 2) (Construction of granular sub-base by providing coarse 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

4/6.2.A Cement Concrete Pavement cum 8306.00 (Construction of un-reinforced, dowel jointed, plain cement concrete pavement over a prepared sub base with 43 grade cement @ 400 kg per cum, coarse and fine aggregate conforming to IS 383, maximum size of coarse aggregate not exceeding 25 mm, mixed in a batching and mixing plant as per approved mixed design, transported to the site, laid with a fixed form or slip form paver, spread , compacted and finished in a continuous operation includuing provision of contraction, expansion, construction and longitudinal joints, joint filler, seperation membrane, sealent primer, sealent joint , debonding strips dowel bar, tie rod, admixured as approved, curing compopund, finishing to lines and grades as per drawing. (Including carriage of mixed materials up to 10.0 Km initial lead from mixing plant.)

5/3.24.A Surface Drains in Soil (Construction of unlined surface drains of average cross sectional area 0.40 sqm in soil to specified lines, grades, levels and dimensions to the requirement of clause 301 and 309. Excavated material to be used in embankment within a lead of 50m ( Average lead 25m ) A.Mechanical means

6/1/12.1 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.

6/2/12.4 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.)

6/3/12.7 Stone masonry work in cement mortar 1:3 in foundation complete as drawing and Technical Specification

6 /4 Providing and laying Reinforced cement concrete pipe NP3/as per design in single row including fixing coller with cement mortar 1:2 but excluding excavation, protection works, backfilling, concrete and masonry works in head walls and parapets Clause 1106. 1000mm dia

6/5/13.9 Back filling behind abutment, wing wall and return wall complete as per drawing and Technical specification A Granular material cum 1420.00 B Sandy material cum 1420.00

6/6/13.3 Plastering with cement mortar (1:3 ) on brick work in sub-structure as per Technical specifications

12/1/3.13 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,backfilling the excavated earth to the extent required and utilising theremaining earth locally for road work.)

12/2/12.4 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.)

12/3/12.8 Plain/Reinforced cement concrete, in openfoundation complete as per drawing and technical specification including steel shuttering formwork.

12/4/12.40 Reinforcement in Foundation: Supplying, fitting and placing TMT IS:1786 Fe500 D bar reinforcement in foundation complete as per drawing and technical specifications.

12/5/13.5 Plain/Reinforced cement concrete, in sub structure complete as per drawing and technical specification and steel shuttering formwork

12/6/14.6 Construction of precast RCC railing of M30 Grade, aggregate size not exceeding 12 mm, 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.

12/7/13.14 Supplying, fitting and fixing in position true to line and level elastomeric bearing conforming centimetre to IRC: 83 (Part-II) section IX and clause 2005 of MoRTH specifications complete including all accessories as per drawing and Technical Specifications.

12/8/14.1 Furnishing and Placing Reinforced/ Prestressed cement concrete in superstructure as per drawing and Technical Specification’ including steel shuttering formwork.

12/9/14.2 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

12/10/14.4 Providing and laying Cement concrete wearing coat M-30 grade including reinforcement complete as per drawing and Technical Specifications

12/11/14.7 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.

12/12/14.9 Drainage Spouts complete as per drawing and Technical specification

12/13/14.11 Reinforced cement concrete approach slab including reinforcement and formwork complete as per drawing and Technical specification

12/14/14.10 PCC M15 Grade leveling course below approach slab complete as per drawing and Technical specification

12/15/14.22 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).

12/16/15.2 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.)

12/17/15.5 Providing and laying Filter material underneath pitching in slopes complete as per drawing and Technical specification

12/18/15.4 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

13/1/3.8 Construction of subgrade and earthern shoulders- Construction of subgradeand earthern shoulders with approved material obtained from borrow pits with all lifts and leads, transporting to site, spreading, gradingto required slope and compacted to meet requirement of table (300-2) (a), (Including cost of testing of materials at Site and laboratory as directed by the deptt.)

13/2/4.19 Granular Sub-Base with coarse Graded Materia (Table:400-2) Construction of granular sub-base by providing coarse graded material, spreading in uniform layers with motor grader on prepared surface, mixing by mix in place method with rotavator ats OMC and compacting with vibratory roller to achieve the desired density, complete as per cl.401 ii) For Grading -II materials(Rate as per analysis)

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 Materials to fill up the interstices of coarse aggregate, watering and compacting to the required density( With an initial lead of 5 Km ) (A) By manual means, i) WBM Grading-II

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 Materials to fill up the interstices of coarse aggregate, watering and compacting to the required density( With an initial lead of 5 Km ) (A) By manual means, ii) WBM Grading -III

13/4/5.2 Tack Coat -Providing and applying tack coat with bitumen emulsion using emulsion pressure distributor at the rate of 0.20 kg per sqm on prepared bituminous/granular surface cleaned with mechanical broom.(Including cost of testing of materials at site and laboratory as directed by deptt.)

13/5/5.3 Prime coat (Providing and applying primer coat with bitumen emulsion on prepared surface of granular Base including clearing of road surface and spraying primer at the rate of 1.00 kg/sqm using mechanical means.) (Including cost of testing of materials at site and laboratory as directed by the deptt.)

13/6/5.10 Open-Graded Premix Surfacing- Providing laying and rolling of open graded premix surfacing of 20 mm thicknesss compose d of 13.2 mm to 5.6 mm aggregateseither using penetration grade of bitumen to required line,grade and level to serve as wearing coarse on a previously prepared base including mixing plant in a suitable plant laying and rolling with a smooth wheeled roller 8-10 T capacity to required level and grade (including carriage of mixed materails upto 10.0 km lead from mixing plant, costof testing of materials site and laboatory as directed by the deptt.) 1.By Manual means ii) Bitumen (S-65)(Rate as per analysis-II)

13/7/3.16 Embankment construction with materials obtained from borrow pits: Construction of embankment with approved materials from borrow pits with all lifts and leads, transporting to site, spreading, grading to required slope and compacting to meet requirement of table 300-2 (Including cost of testing of materials at site and laboratory as directed by the deptt.

13/8/5.12 Seal Coat- Providing and layig seal coat sealing the voids in bituminous surface laid to the specified levels grade and cross fall using TYPE A and B seal coats (Including cost of testing of materials site and laboatory as directed by the deptt.) 1.By Manual means i)Type A ii) Bitumen (S-65)(Rate as per analysis-II)