maintenance works to sathukudal municipal school in ward no 30 in vridhachalam municipality- 1 earth work excavation for foundation in hard stiff clay, stiff black cotton, hard red earth, shales murram, gravel,stoney earth and earth mixed with small size boulders ss.20b and sand, silt or other loose soil, wet sand,or silt not under water, light black cotton soil, sandy loam ordinary soil and to full depth as may be directed except in hardrockrequiring blasting inclusive of shoring shuttering and baling out water and cleaning and levelling the site etc.,complete 10 cum 2 supply filling of m-sand in layer of not more than 15 cm thick including watering with all layers and consolidation complying with standard specification including cost and conveyence of sand to site and all labour charges and all other incidential charges etc,. complete as per standard specification 3 cement concrete 1:5:10 (one cement, five crushed stone sand and ten hard broken stone jelly) using 40 mm gauge hard broken granite stone jelly for foundation including dewatering wherever necessary and laid in layers of not more than 15 cm thick well rammed, consolidated and including curing etc. complete complying with standard specification and as directed by the departmental officers. -mixing by manual means . 4 supplying & erecting centering for sides & soffiots including necessary supports & strutting upto 3.29m height for plane surfaces in all floors with all cross bracings using mild steel sheets of size 90 x 60cm & 10 gauge stiffened, welded with steel angle of size 25 x 25 x 3mm for boarding laid over silver oak joists(country wood) of size 10 x 6.5cm spaced @ about 90cm c/c and supported by casurina props of 10 - 13cm dia. spaced @ 75cm c/c etc., complete complying with standard specifications and as directed by the departmental officers. rate for 10m2.for the following items.(rcc floor slab, roof slab, rectangular/ square, tee/ ell beams, lintels, staircase waist slabs, landing slabs, landing beam, portico beam etc., ). plinth&grade beam 5 plain cement concrete 1:2:4 (one cement, two sand and four coarse aggregate) using 20mm indian standard sizehard blue granite metal from approved quarry including cost and conveyance of all materials and labour charges etc. complete as per standard specification 6 providing of granular sub base using grade i materials of table 400 -1 of morth with minimum cbr 30 spreading in uniform layers with motor grader on prepared surface, mix in by palce method at omc and compacting with vibratory roller to achieve the desired density including all labourcharges etc, complete as per technical specification and as directed by the departmental officers. morth - rev v no. 111,112,401,900 7 supplying and layingrubber moulded hydraulic pressed paver block interlocking type m40 grade providing and laying of 83mm thick high strength type conforming is 15658-2006 interlocking tamin paver lock in size of minimum compressive strength of 40n/mm2 in uniform shape of approved make to be laid in flurring bone pattern with stone dust cushion below the uniform shape of approved non skitting surface in the top and the rate including levelling the base preparation of pavers as sub base,sand cushion 150mm thick laying out of pavement cut the pieces to fix the edge vibrating the pavers, sweeping tranporting loading unloading of laying paver block as per standard specification.,