Specifications include, but are not limited to: Demolish and remove existing construction only to the extent required by new construction and as indicated. Use methods required to complete the Work within limitations of governing regulations and as follows: 1. Proceed with selective demolition systematically, from higher to lower level. Complete selective demolition operations above each floor or tier before disturbing supporting members on the next lower level. 2. Neatly cut openings and holes plumb, square, and true to dimensions required. Use cutting methods least likely to damage construction to remain or adjoining construction. Use hand tools or small power tools designed for sawing or grinding, not hammering and chopping. Temporarily cover openings to remain. 3. Cut or drill from the exposed or finished side into concealed surfaces to avoid marring existing finished surfaces. 4. Do not use cutting torches without Owner’s permission and in accordance with Owner requirements. Do not use cutting torches until work area is cleared of flammable materials. At concealed spaces, such as duct and pipe interiors, verify condition and contents of hidden space before starting flame-cutting operations. Maintain portable firesuppression devices during flame-cutting operations. 5. Maintain fire watch during and for at least 2 hours after flame-cutting operations. 6. Maintain adequate ventilation when using cutting torches. 7. Remove decayed, vermin-infested, or otherwise dangerous or unsuitable materials and promptly dispose of off-site.