tender for minor works in gas separation lab at csir-cecri, karaikudi; 1 providing and fixing factory made single extruded wpc ( wood polymer composite ) solid door / window / clerestory windows & desertory other frames / chowkhat comprising of virgin pvc polymer of k value 58-60 ( suspension grade ) , calcium carbonate and natural fibers ( wood powder / rice husk / wheat husk ) and non toxic additives ( maximum toxicity index of 12 for 100 gms ) fabricated with miter joints after applying pvc solvent cement and screwed with full body threaded star headed ss screws having minimum frame density of 750 kg / cum, screw withdrawal strength of 2200 n ( face ) & 1100 n ( edge ) , minimum compressive strength of 58 n / mm2, modulus of elasticity 900 n / mm2 and resistance to spread offlame of class acategorywith property of being termite / borer proof, water / moisture proof and fire retardant and fixed in position with m.s hold fast / lugs / ss dash fasteners of required dia and lengthcomplete as per direction of engineer-in- charge. ( m.s hold fast / lugs or ss dash fasteners shall be paid for separately ) . note: for wpc solid door / window frames, minus 5mm tolerance indimensions i.edepth and width of profile shall be acceptable. variation in profile dimensions on plus side shall be acceptable but no extra payment on this account shall be made. 2 frame size 45 x 70 mm 3 providing and fixing factory made single extruded wpc ( wood polymer composite ) solid board one side white color and other side of board laminted with pvcfoil of minimum 14 micron thickness of approved design pasted with hot melt adhesive for cup boards, work stations and bathroom / kitchen cabinet etc. of required sizes comprisingof virgin polymer of k value 58-60 ( suspension grade ) , calcium carbonate andnatural fibers ( wood powder / rice husk / wheat husk ) and non toxic additives ( maximum toxicity index of 12 for 100 gms ) having minimum density of 650 kg / cum and screw withdrawal strength of 1800 n ( face ) & 900 n ( edge ) , minimumcompressive strength50 n / mm2, modulus of elasticity 850 n / mm2 and resistance to spread offlame of class acategory with property of being termite / borer proof, water / moisture proof and fire retardant and fixing with stainless steel piano hinges / soft close clip on concealed hinges of required size with necessary full body threaded star headed counter sunk s.s screws, all as per direction of engineer-in- charge. ( note: stainless steel piano hinges / soft close clip on concealed hinges and necessary s.s screws shall be paid separately ) 4 25 mm thick 5 providing and fixing stainless steel soft closing spring hinges at 0 degree hinges ( hydraulic type ) of approved make / brand to cupboard shutters with full threaded steel screws including making necessary recess in board and finished etc. complete as per direction of engineer-in-charge. 6 providing and fixing stainless steel fancy handle of approved make fixed with ss screws etc. complete as per direction of engineer-in-charge. 7 200 mm 8 providing and fixing magnetic catcher of approved quality in cupboard / ward robe shutters, including fixing with necessary screws etc. complete. 9 double strip ( horizontal type ) 10 providing and fixing bright / matt finished stainless steel tower bolt of approved quality & make with necessary screws etc all complete. 100x10mm 11 laying old cement cocrete interlocking paver blocks of any design / shape laid in required line, level, curvature, colour and pattern overand including 50 mm thick compacted bed of coarse sand, filling thejoints with fine sand etc. all complete as per the direction of engineer-in-charge. ( old cc paver blocks shall be supplied by the department free of cost ) 12 structural steel work riveted, bolted or welded in built up sections, trusses and framed work, including cutting, hoisting, fixing in position and applying a priming coat of approved steel primer all complete. 13 providing and fixing m.s. grills of required pattern in frames of windows etc. with m.s. flats, square or round bars etc. including priming coat with approved steel primer all complete. 14 fixed to steel windows by welding 15 painting with synthetic enamel paint of approved brand and manufacture to give an even shade : 16 two or more coats on new work