Construction of RCC Low Level Bridge in Bhawraha Nala in Village- Homia, G.P.- Kaswakhad, Block- Patan Dist.- Palamu

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 material to be used or auctioned, up to a lead of 1000 metres including removal and disposal of top organic soil not exceeding 150 mm in thickness. RCD-2.03

Earth work in excavation in foundation trenches in ordinary soil ( vide classification of soil item A) and disposal of excavated earth as obtained to a distance upto 50M including all lifts leveling ramming the foundation treanches, removing roots of trees, and shrubs all complete as per approved design, building specification and direction of E/I. BCD-5.1.1

Granular Sub-base with Well Graded Material (Table 400.1) By MIX in Place Method (Construction of granular sub-base by providing close 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 Technical Specification Clause 401.(iii) For Grading I Material RCD 4.1.B (ii)

Providing PCC M-200 in nominal mix of (1:1.5:3) in foundation and plinth with approved qality of stone chips 20mm to 6mm size graded and clean coarse of F.M 2.5 to 3 including ,mixing cement concrete in mixer and placing in position ,vibrating,striking,curing,taxes and royality all complete as per building specification and direction of E/I. BCD 5.3.1.1

Centering and shuttering including strutting,proping etc and removal of form for foundation all complete as per direction of E/I. BCD- 5.3.17.1

Filling in foundation trenches and plinth in layers. Not exceeding 150 mm thick well watered, rammed fully compacted and fine dressed with earth obtained after cutting within a lead of 50 M and lift of 1.5 M all complete as per building specification and direction of E/I (Mode of measurement compacted volume) BCD-5.1.7

Earth work in excavation in foundation trenches of toe wall, spillway, head regulatoretc as per designed section in all kind of soil, soil mixed with kankar, pebbles and boulders upto 300 mm size and disposal of the same (beyond 50 m away from the edge of the trenches) with initial lead of 150 m and initial lift of 1.5 M as specification and direction of E/I. WRD- 5.1.14.1

Earth work in excavation in foundation trenches of toe wall, spillway, head regulatoretc as per designed section in ordinary rock or soft rock(where blasting is not needed)(vide classification of soil item-C)with disposal of soil (beyond 50 m away from the edge of the trenches) with initial lead of 150 m and initial lift of 1.5 M as specification and direction of E/I. WRD- 5.1.15.2

Providing and laying in position cement concrete of specified grade excluding the cost of centering and shuttering - All work up to plinth level : 1:2:4 (1 cement : 2 coarse sand (zone-III) : 4 graded stone aggregate 20 mm nominal size) BCD-5.3.1.2

Providing and laying in position specified grade of reinforced cement concrete, excluding the cost of centering, shuttering, finishing and reinforcement - All work up to plinth level.:1:1.5:3 (1 Cement : 1.5 coarse sand (zone-III) : 3 graded stone aggregate 20 mm nominal size) BCD-5.3.9.1