annual plan-kjp 295/2025-26-ayilara school maintenance -yeroor gp-general civil work --1 aiylara hs maintenance 2 2.8.1:earth work in excavation by mechanical means (hydraulic excavator) /manual means in foundation trenches or drains (not exceeding 1.5 m in width or 10 sqm on plan), including dressing of sides and ramming of bottoms, lift up to 1.5 m, including getting out the excavated soil and disposal of surplus excavated soil as directed, within a lead of 50 m.all kinds of soil 3 4.1.8:providing and laying in position cement concrete of specified grade excluding the cost of centering and shuttering - all work up to plinth level:1:4:8 (1 cement : 4 coarse sand (zone-iii) derived from natural sources : 8 graded stone aggregate 40 mm nominal size derived from natural sources) 4 5.9.1:centering and shuttering including strutting, etc. and removal of form for:foundations, footings, bases of columns, etc for mass concrete 5 5.22.6:steel reinforcement for r.c.c work including straightening, cutting, bending, placing in position and binding all complete upto plinth levelthermo - mechanically treated bars of grade fe-500d or more 6 4.1.5:providing and laying in position cement concrete of specified grade excluding the cost of centering and shuttering - all work up to plinth level:1:3:6 (1 cement : 3 coarse sand (zone-iii) derived from natural sources : 6 graded stone aggregate 20 mm nominal size derived from natural sources) 7 12.12.1:providing and fixing ridges and hips in fibre cement reinforced by organic fibres and/or inorganic synthetic fibres roofing with suitable fixing accessories or self drilling fastener and epdm washer etc. complete.corrugated serrated adjustable ridges 8 12.8:providing reinforced by organic fibres and/or inorganic synthetic fibres cement 6 mm thick corrugated sheets (as per is: 14871) roofing up to any pitch and fixing with polymer coated j, or l hooks, bolts and nuts 8 mm dia. g.i. plain and bitumen washers or with self drilling fastener and epdm washers etc. complete (excluding the cost of purlins, rafters and trusses), including cutting sheets to size and shape wherever required. 9 od247421/2025-2026:providing and fixing on wall face unplasticised rigid pvc rain water pipes conforming to is : 13592 type a, including jointing with seal ring conforming to is : 5382, leaving 10 mm gap for thermal expansion,160mm size 10 50.18.9.18.2:providing and fixing pvc pipes including fixing the pipe with clamps/clips at 1.00 m spacing. this included jointing of pipes with one step pvc solvent cement and testing of joints complete as per direction of engineer-in-charge 75 mm dia 4 kfg/cm2 - external work - exposed on wall 11 50.18.9.8.2:providing and fixing pvc pipes includings of pipes with one step pvc solvent cement, trenching and refilling & testing of joints complete as per direction of engineer in charge. 75 mm dia 4 kgf/cm2