tender for demolishing cement concrete manually/ by mechanical means including disposal of material within 50 metres lead as per direction of engineer-in-charge. 1: 4: 8 or leaner mix. , dismantling old plaster or skirting, raking out joints and cleaning the surface for plaster including disposal of rubbish to the dumping ground within 50 meter lead. , grading roof for water proofing treatment with water proffing compound cement concrete 1:2:4 (1 cement : 2 coarse sand : 4 graded stone aggregate 20 mm nominal size) , plaster on new surface on wall in cement sand mortar 1:3 including racking of joints etc. complete fine finish : 20mm thick , providing gola 75x75 mm in cement concrete 1:2:4 (1 cement : 2 coarse sand : 4 stone aggregate 10mm and down gauge) including finishing with cement mortar 1:3 (1 cement : 3 fine sand) as per standard design : , providing & applying three coat of acrylic water proof membrane having sunlight and uv resistant properties over waterproofing slurry coat , initial coat of 50-75 micron thickness with diluting 1 part of chemical with 2 parts of clean water, over which applying 2 coats at 2 hrs .intervals each with diluting 1 part of chemical with 20% of clean water for total thickness of 400 to 450 microns (covering area 0.9 sq.m/kg of chemical including preparation of surface by cleaning, brushing and dust removing, scaffolding if necessary etc., with contractors labour, tools, machinery etc, complete as directed by engineer in charge. , making khurras 450 x 450mm with average minimum thickness 50mm cement concrete 1 : 2:4 over p.v.c. sheet 1 mtr. x 1 mtr. x 40micron finished with 12mm cement plaster 1 : 3 and one coat of neat cement, rounding edges and making and finishing the out let complete. , p & f pvc storage tank isi marked (is : 12701) indicating the bis license no), of approved make with cover, 25mm dia 1m long g.i. over-flow pipe & 25 cm. long wash out pipe with plug & socket, including making connection etc., complete of approved design: , p & f ball cock (is :1703 mark) with rod complete : brass wt.not less than 400 gm, 20mm. , p & f full-way valve (is:778 mark) or wheel valve of approved make :2.15.2 (-do-) 20mm nominal bore.