general-sye2-6896/23 -sye2-6896/23 canoza nagar drain renovation work in dn no.16-general civil work - canoza nagar drain renovation work in dn no.16-general civil 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 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) 4 11.8:supplying, fitting and placingtmt bar reinforcement in foundation complete as per drawings and technical specifications clauses 1000 and 1202 5 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 6 od239081/2023-2024:providing and laying of inter locking block pavements using 80mm m40hydraulic blocks of approved size ,design&shape laid in crushed stone chipping 6.7 mm size 100 mm passing 9.5 mm and retained on 2.36 using plate vibrator etc.as per the departmental specification. 7 od239091/2023-2024:modified 75.8.1 providing plain cement concrete for road work cc 1:2:4 (1 cement: 2 fine aggregate: 4course aggregate) laid to required slope and camber in panels (@ 3 m c/c) as requiredincluding compaction, finishing and tamping etc .complete. max. size of courseaggregate not exceeding 25mm , mixed in concrete mixer etc complete as perspecification (i) nominal mix (1:2:4) 8 od233446/2023-2024:engaged man coolies 9 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 10 3.14:construction of subgrade and earthen shoulders
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.