annual plan-proj.no:177/2025-26:thrikkakara mun:-ward 40-general civil work- 1 road work 2 2.5.1.b:dismantling of structures
dismantling of existing structures like culverts, bridges, retaining walls and other structure comprising of masonry, cement concrete, wood work, steel work, including t&p and scaffolding wherever necessary, sorting the dismantled material, disposal of unserviceable material and stacking the serviceable material with all lifts and lead of 1000 m as per technical specification clause 202.
(i) by manual means
(b) cement concrete 3 3.5.1:excavation in cutting in soil by manual means with lead upto 50 m
excavation for roadway in soil using manual means for carrying of cut earth to embankment site with a lift upto 1.5 m and lead upto 50 m as per technical specification clause 302.3 4 11.4.1.1:providing concrete for plain/reinforced concrete in open foundations complete as per drawings and technical specifications clause 802, 803, 1202 & 1203
i. p.c.c grade m 10
(i) nominal mix 1:3:6 5 11.4.2.1:providing concrete for plain/reinforced concrete in open foundations complete as per drawings and technical specifications clause 802, 803, 1202 & 1203
ii. p.c.c grade m 15
(i) nominal mix (1:2.5:5) 6 11.4.4:providing concrete for plain/reinforced concrete in open foundations complete as per drawings and technical specifications clause 802, 803, 1202 & 1203
iv. r.c.c grade m 20 7 11.8:supplying, fitting and placingtmt bar reinforcement in foundation complete as per drawings and technical specifications clauses 1000 and 1202 8 4.1.a.1:granular sub-base with well graded material (table 400.1)
(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.
(i) for grading i material 9 od321934/2025-2026:providing and laying of interlocking concrete block pavements using 80 mm m40 hydraulic blocks of approved size, design & shape, laid in required pattern over and including a compacted bed of 6mm stone aggregate of 50mm average thickness, etc. all complete as per the direction of engineerin-charge.