nelliyampathy grama panchayahth 2021-2022 elam store dwss in ward 13. ( 237 / 22 ) - 50.18.9.7.1 : providing and fixing pvc pipes includings of pipes with one step pvc solvent cement, trenching refilling & testing of joints complete as per direction of engineer in charge. 63 mm dia 6kgf / cm2 3 51.18.12.6 : providing and fixing g.i. pipes complete with g.i. fittings ( cost of fittings to be paid separately ) external work - 50 mm nominal dia 4 18.17.4 : providing and fixing gun metal gate valve with c.i. wheel of approved quality ( screwed end ) :50 mm nominal bore 5 od1689124 / 2021_2022 : supplying and fixing 50mm gi union including all charges 6 od1689125 / 2021_2022 : supplying and fixing 50mm gi coupling including all charges 7 od1689127 / 2021_2022 : supplying and fixing 50mm gi elbow including all charges 8 od1689130 / 2021_2022 : supplying and fixing 50mm gi bend including all charges 9 18.48 : providing and placing on terrace ( at all floor levels ) polyethylene water storage tank :isi 12701 marked, with cover and suitable locking arrangement and making necessary holes for inlet, outlet and overflow pipes but without fittings and the base support for tank. 10 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 11 5.9.16.1 : centering and shuttering including strutting, etc. and removal of form for:edges of slabs and breaks in floors and wallsunder 20 cm wide 12 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 : 8 graded stone aggregate 40 nominal size ) 13 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 14 4.1.2 : providing and laying in position cement concrete of specified grade excluding the cost of centering and shuttering - all work up to plinth level:1:1 / 2:3 ( cement : 11 / 2 coarse sand : 3 graded stone aggregate 20 mm nominal size ) 15 4.2.2 : providing and laying cement concrete in retaining walls, return walls, walls ( any thickness ) including attached pilasters, columns, piers, abutments, pillars, posts, struts, buttresses, string or lacing courses, parapets, coping, bed blocks, anchor blocks, plain window sills, fillets, sunken floor, etc. up to floor five level, excluding the cost of centering, shuttering and finishing:1:11 / 2:3 ( 1 cement : 11 / 2 coarse sand :3 graded stone aggregate 20 mm nominal size ) 16 4.3.1 : centering and shuttering including strutting, propping etc. and removal of form work for:foundations, footings, bases for columns 17 4.3.3 : centering and shuttering including strutting, propping etc. and removal of form work for:columns, piers, abutments, pillars, posts and struts 18 5.9.5 : centering and shuttering including strutting, etc. and removal of form for:lintels, beams, plinth beams, girders bressumers and cantilevers