Rectification of Seepage and Termite Control in Scientist Hostel at DRDO BU Centre For Life Science, Coimbatore

Amount

TREATMENT FOR THE EXTERNAL WALL Along the external wall below concrete or masonry apron using chemical emulsion @ 2.25 litres per linear metre including drilling and plugging holes etc.With Chlorpyriphos/ Lindane E.C. 20% with 1%concentration

TREATMENT FOR THE INTERNAL WALL Treatment of existing masonry using chemical emulsion @ one litre per hole at 300 mm interval including drilling holes at 45 degree and plugging them with cement mortar 1:2 (1 cement : 2 coarse sand) to the full depth of the hole :With Chlorpyriphos/Lindane E.C. 20% with 1%concentration

TREATMENT FOR THE WOODEN WORKS Treatment at points of contact of wood work by chemical emulsion Chlorpyriphos/ Lindane (in oil or kerosene based solution) @ 0.5 litres per hole by drilling 6 mm dia holes at downward angle of 45 degree at 150 mm centre to centre and sealing the same.

WATER PROOFING TREATMENT FOR TERRACE Providing and laying water proofing treatment on roofs of slabs by applying cement slurry mixed with water proofing cement compoundconsisting of applying: (a) after surface preparation, first layer of slurry of cement @ 0.488 kg/sqm mixed with water proofing cement compound @ 0.253 kg/sqm. (b) laying second layer of Fibre glass cloth when the first layer is still green. Overlaps of joints of fibre cloth should not be less than 10 cm. (c) third layer of 1.5 mm thickness consisting of slurry of cement @ 1.289 kg/sqm mixed with water proofing cement compound @ 0.670 kg/sqm and coarse sand @ 1.289 kg/sqm. This will be allowed to air cure for 4 hours followed by water curing for 48 hours. The entire treatment will be taken upto 30 cm on parapet wall and tucked into groove in parapet all around. (d) fourth and final layer of brick tiling with cement mortar (which will be paid for separately.

SMS ASSOCIATES

SHRAYA ASSOCIATES

JAI JAWAN JAI KISAN ENTERPRISES PVT LTD

CHARAN ELECTRICALS