Improvement of Village Road Upper Kacharigaon, Rangapara in Sonitpur by proving ICBP during 2020-21. Package No. TRC/SOPD-TSP/RAN/01.

Amount

Clearing and grubbing road land including uprooting rank vegetation, grass, and trees of girth upto 300 mm, removal of stumps of such trees cut earlier, as per Technical Specification Clause 201. (II) By Manual Means A) In area of non thorny.

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 (a) From 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. (a) From Private land

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) Grading II Material

Providing, laying, spreading and compacting stone aggregates of specific sizes to water bound macadam specification including spreading in uniform 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. By manual means (iii) Grading III Materials

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 restrainsts

A. Retro-reflectorised Traffic Signs I. Providing and fixing 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 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. (i) 60cm equilateral triangle.

(ii) 60 cm circle

(iii) 80 cm x 60 m rectangular

2m x 2m Double cell RCC box culvert Earth work in excavation of foundation of structures as per drawing and technical specifications clause 305.1 including setting out, construction of shoring and bracing, removal of stumps and other deleterious materials and disposal upto a lead of 50m dressing of sides and bottom and back filling within trenches with excavated suitable material. Ordinary soil A. Manual Means (Without dewatering) (i) Upto 3.0m depth

(B) Type B (First Class) Bedding Laying (First Class) bedding on well compacted sand, moorum as per Clause 1105 (ii)

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 M20, Nominal Mix (1:2:4)

(V) RCC Grade M25

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 (iv) RCC Grade M 25 i) 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) R.C.C grade M 25 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 (a) With crushed stone

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

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

Bima Choudhury