Miscellaneous Civil repair works, Increasing the height of aluminium partitions of ADG(S) chamber, Upkeeping the old partitions in the Office of DDG (Security) APLSA, 5th floor, Telephone Bhavan, Saifabad, Hyderabad

1). Painting to Aluminium partitions, Particle boards with synthetic enamel paint of approved brand and manufacture of required colour to give an even shade with Two or more coats over an under coat of suitable shade with ordinary paint of approved brand and manufacture. :

2). Making repairs to the existing roofing With 16 mm thick beveled tegular mineral fibre tile (NRC minimum 0.55 to 0.60), with mineral fibre tiles at all heights of size 595X595mm of approved texture, design and pattern. The tiles should have minimum Humidity Resistance (RH) of 99%, minimum Light Reflectance = 85%, Thermal Conductivity k = 0.052 - 0.057 w/m K, Fire Performance as per (BS 476 pt - 6 &7) in true horizontal level suspended on interlocking T-Grid of hot

dipped all round galvanized iron section of minimum 0.30 mm thick (minimum galvanized @120 gsm) having rotary stitched double webbed white with 6mm reveal Silhouette profile (white/black) comprising of main T runners of minimum 15x38 mm of length 3000 mm, cross T of size minimum 15x38mm of length 1200 mm and secondary intermediate cross T of size minimum 15x38 mm of length 600 mm to form grid module of size 600x600 mm suspended from ceiling using galvanized mild steel item (minimum galvanised @ 80 gsm) 50 mm long 8mm outer diameter M-6 dash fasteners, 6 mm diameter fully threaded hanger rod up to 1000 mm length and L-shape level adjuster of size 85x25x2 mm,

spaced at 1200 mm centre to centre along main ‘T’. The system should rest on periphery walls /partitions with the help of GI perimeter wall angle of size minimum 24x24X3000 mm made of minimum 0.40 mm thick sheet, to be fixed to the wall with help of plastic rawl plug at 450 mm centre to centre & 40 mm long dry wall S.S. screws. The exposed bottom portion of all T-sections used in false ceiling support system shall be pre-painted with polyester baked paint, for all heights. The work shall be carried out as per specifications, drawings and as per directions of the Engineer-in charge.

3). Providing and fixing aluminium work for doors, windows, ventilators and partitions with extruded built up standard tubular sections/appropriate Z sections and other sections of approved make conforming to IS: 733 and IS: 1285, fixing with dash fasteners of required dia and size, including necessary filling up the gaps at junctions, i.e. at top, bottom and sides with required EPDM rubber/neoprene gasket etc. Aluminium sections shall be smooth, rust free, straight, mitred and jointed mechanically wherever required including cleat angle, Aluminium snap beading for glazing / paneling, C.P. brass/ stainless steel screws, all complete as per architectural drawings and the directions of Engineer-in-charge. (Glazing, paneling and dash fasteners to be paid for separately) :

For fixed portion

a). Polyester powder coated aluminium (minimum thickness of polyester powder coating 50 micron)

4). Providing and fixing 12mm thick prelaminated particle board flat pressed three layer or graded wood particle board conforming to IS:12823 Grade l Type ll, in panelling fixed in aluminum doors, windows shutters and partition frames with C.P. brass / stainless steel screws etc. complete as per architectural drawings and directions of engineer-in-charge.

a). Pre-laminated particle board with decorative lamination on both sides.

5). Providing and fixing glazing in aluminium door, window, ventilator shutters and partitions etc. with EPDM rubber / neoprene gasket etc. complete as per the architectural drawings and the directions of engineer-in-charge . (Cost of aluminium snap beading shall be paid in basic item):