tender for special repair to bldg no p-69 of af under age b/r-i of ge (w) mathura-- 1 taking down chowkhats with shutter (without taking off shutters from the frame) area not exc. 1.50 sqm each complete all as specified and directed. 2 taking down chowkhats with shutter (without taking off shutters from the frame) area exc. 1.50 sqm but n.exc 4.00 sqm each complete all as specified and directed. 3 demolition of cement concrete (unreinforced) in ground floors and pavings not exceeding 15 cm thick above or below ground level complete all as specified and directed. 4 dismantling floor, hearth or wall tiling including cement mortar bedding (but not backing) and removing rubbish off premises complete all as specified and directed. 5 demolition of brick work or stone/boulders masonary, built in cement mortor including all quoins, arches pillars, etc but excluding ashlar facing dressed stone work and precast concrete articles complete all as specified and directed. 6 taking down cement plaster on brick or stone walls etc including racking out joints, hacking for key, scrubbing down with water etc. complete all as specified and directed.