annual plan-2025-26 pallichal gp pro no: 129-maintenance of thannikuzhy drainage - ward 9-general civil work-- 1 maintenance 2 11.1.1.1:excavation for structuresearthwork 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.i. ordinary soil(i) upto 3 m depth 3 11.4.1.2: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 (ii) nominal mix 1:3.6 (hand mixing) 4 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 5 11.8:supplying, fitting and placingtmt bar reinforcement in foundation complete as per drawings and technical specifications clauses 1000 and 1202 6 75.8.1.1.a:providing plain cement concrete for wearing coat cc 1:2:4 (1 cement: 2 fine aggregate:4 course aggregate) laid to required slope as required including compaction, finishingand tamping etc .complete. max. size of course aggregate not exceeding 25mm , mixedin concrete mixer etc complete as per specification (i) nominal mix (1:2:4)