PDNA/ Dima Hasao/03

Clearing and grubbing of road land including uprooting wild vegetation grass bushes shurbs sapling and trees of girth up to 300 mm removal of stumps of such trees cut earlier and diposal of unservicible material and stacking of servicible material to be used or auctioned up to a lead of 1000 2 mas per Technical Specification Clause 201 (1)By Manual means (a) In area of Non-thony jungles

Earthwork in Hill Road iv) Excavation in Hilly Areas in Ordinary Rock by mechanical means not requiring blasting. A) Excavation in Hilly Areas in ordinary rock not requiring blasting by mechanical means including cutting and trimming of side slopes and disposal of cut materail with a lift upto 1.5 m and lead upto 20 m as per Clause 1603.2

Earthwork in subgrade soil Construction of sub-grade 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 2 table No 300-2 with lead upto 1000 m as per Technical Specification Clause

Granular Sub Base Well Graded Materail (Table 400.1) 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 Clause 401. II) For Grading II Material

Water Bound Macadam Sub-base/base WBM Grading-3 Providing, laying, spreading and compacting stone aggregates of specific sizes to water bound macadam specification including spreading in uniform 5/4.7 (3) thickness, hand packing, rolling with smooth wheel roller 80-100 kN in stages to proper grade and camber, applying and brooming, stone screening to fill-up the interstices of coarse aggregate, watering and compacting to the required density Grading 3 as per Technical Specification Clause 405) iii) Grading-3 screening-B.(A)By Manual Means

Inter locking concrete Block pavement (A) Interlocking pavement blocki) Providing and laying interlocking concrete block pavement with M40 grade grade of concrete blocks having thickness 80mm as per technical specification clause 1504 complete including carriage. a) Including Edge block/ Edge restraints

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 Boulder Protection work with wire crates in step Boulder Apron work with wire crates

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. (II) Ordinary rock (not requiring blasting) Upto 3 m depth

Providing concrete for plain/reinforced concrete in open foundation complete as per drawing and technical specification clause 802, 803, 1202 & 1203. A. With Crushed Stone. I. PCC Grade M10 Nominal mix 1:3:6 (Hand mixing)

Plain/reinforcedcementconcreteinsubstructurecompleteasperdrawings technical specification Clauses 802, 804, 805, 806, 807, 1202 ans 1204 and A. With Crushed Stone, II) PCC Grade M20 ii) Nominal mix 1:2:4 (Hand Mixing)

Plastering with cement mortar (1:4), 15mm thick on brick work for substructure as per technical specification Clauses 613.4 & 1204

Stone masonry work in cement mortar for sub-structure a per drawing and technical specification Clause 702,704,1202 & 1204. III) Random Rubble Masonry In 1:3 cement mortar.

Backfilling behind abutment, wing wall and return wall complete as per drawings and technical specification Caluse 1204.3.8 (i) Granular materail.

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) 1 towards drawing face complete as per drawing and technical specification Clauses 614, 709, 1204.3.7

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. 1. Ordinary soil- Upto 3 m depth

Bedding of Pipe. (A) Type A (Concrete Cradle) Bedding. i) Laying Concrete cradle bedding with M15 Grade Cement Concrete as per Clause 1105(i).

Brick masonry work in cement mortar in foundation of wall complete excl. pointing and plastering as per drawing and technical specification clause 1100 (in prop. 1:4)

Filling in foundation trenches as per drawing and technical specification Clause 305 3.9. (i) Sand filling.

Providing and laying reinforced cement concrete pipe NP3 for culverts on first class bedding of granular material in single row including fixing collar with cement mortar 1:2 but excluding excavation, protection works, backfilling, concrete and masonry works in head walls and parapets Clause 1106. B)1000mm dia.

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