Construction of CC block road from Katajhar Kahitama PWD connecting road near Labdanguri bazar to Manas Forest boundary with 4 nos. RCC slab culvert. (Phase-I) for Rs. 50.40 lacs under BADP, 2019-20 of Baksa district

Amount

Clearing and grubbing road land including uprooting wild vegetation,grass, bushes, shrubs, saplings and trees of girth upto 300 mm, removal of stumps of such trees cut earlier and disposal of unserviceable materials and stacking of serviceable material to be used or auctioned, upto a lead of 1000 m including removal and disposal of top organic soil not exceeding 150 mm in thickness as per Technical Specification Clause 201. (i)By Manual Means (A) In area of non thorny jungle

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

A) 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. (ii) For Grading II Material

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 three wheel 80-100 kN static roller in stages to proper grade and camber, applying and brooming, stone screening/binding materials to fillup the interstices of coarse aggregate, watering and compacting to the required density Grading 1 as per Technical Specification Clause 404.

(A) Interlocking pavement block (i) Providing and laying interlocking concrete block pavement (M40) having thickness 80mm as per technical specification clause 1504 complete including carriage. (a) Including Edge block/ Edge restraints.

(A) Retro-reflectorised Traffic Signs. (I) 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, 1.5mm thick supported on a mild steel angle iron post 75 mm x 75 mm x6 mm firmly fixed to the ground by means of properly designed foundation with M15 grade cement concrete 450mm x 450 mm x 600 mm, 600 mm below ground level as per drawings and Technical Specification Clause 801. (iv) 800mm x 600mm rectangle.

H.P Culvert 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. (A) Manual means (without dewatering) (i) Upto 3 m depth

Providing concrete for plain/reinforced concrete in open foundations complete as per drawings and technical specifications Clause 802, 803, 1202 & 1203 (PCC Grade M10) (i)Nominal Mix

Bedding of pipe Laying (First Class) bedding on well compacted sand, moorum or approved granular material as per Clause 1105. (ii)Type B (First class) Beding

Brick masonry work in cement mortar in foundation complete excluding pointing and plastering as per drawing and technical specifications Clauses 600, 1202 & 1203. (ii) Brick masonry in 1:4 cement mortar

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

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.

Providing and laying boulder apron for bed protection with stone boulders of minimum size and weight as per Table 1300.1, no fragment weighing less than 25 kg laid dry complete 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. (I) Stone/Boulder

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

Jyotish Das

LEELA MACHAHARY