tender for additional working table for existing ddugky room in modular type workstation at 3rd floor, annai therasa magalir thitta valagam, valluvarkottam, nungambakkam, chennai-600034. , injecting anti termite treatment work with suitable chemical for internal entire walls and ceilings including mixing proportion as per instructed by departmental officer and manufacturers specification etc., complete. , dismantling of existing gird false ceiling including cost of labour charges , dismantling of existing 2x2 led light including cost of labour charges , supply and installation of 15mm select grid system using hot dipped galvanized steel section, exposed surface chemically cleaned capping prefinished in backed polyester paint wall angle of size 19x19x3000mm used in periphery of the ceiling fixed to the wall/partition/rcc column/band walls with the heip of screws at 600mm c/c. main runner of size 3600x15mmx32h suspended at 1200mm c/c by using regular suspension systems by using 2.5mm dia g.i. wire hanger securely fixed to the structurel soffit of r.c.c.slab by using 6mm fastner with j bolt at every 1200mm (max) and 1200mm long cross tee of size 15mmx32h to be interlocked between in main runner at 600mm c/c(max) to form grid of 1200x600mm. 600mm long cross tee size 15mmx32h fixed in between 1200mm long cross tee for forming a grid of 600x600mm and finally laying grid tile 600x600x7mm; make - armstrong / usg grid false ceiling , supply,installation,testing,commisioning and handling over of air cooled self contained ductable ac units 8.5 tr ceiling supsended ductable unit , supply and fixing of copper refrigerant piping of 7/8 dia copper pipe , supply and filling of r-22 refrigerant gas , supply and fixing of flexible canvas connection , supply, fabrication and fixing of ms channel for mounting the airconditioning indoor unit , supply, fabrication and fixing of ms channel for mounting the airconditioning oudoor unit , supply, laying of pvc pipe 32mm with ac indoor unit d