Supply & Fixing of pressed steel frames (Chowkats) consisting of 18 gauge (1.25mm) thick steel sheet of the specified section(standard design latest) including iron lugs (hold fasts) iron hinges, confirming to P.W.D. specifications including bolts for fixing stops, lock- notch provision for receiving tower bolts, Hydraulic spring and finished with one priming coat of approved quality, fixed in position, including the cost of cement concrete 1:3:6 for filling in the frame and cement concrete 1:2:4 for lugs complete. Note : The centre mullion in any door and window frame will be counted and paid 1 ½ time of outer section for its clear length. Doors and windows frame of size 118mm x 60mm with 40 mm wide single rebate weighing 3.43 kg per meter.