extra labour and material in joint layout and work in multi stone, all cutting at internal and external angles, intersections and joints, rough and fair cutting, rounded arrises and the like, grooves, throats, flutes, rebates, chases, mortices, holes, stops, mitres, and the like, cutting grooves or chases and pointing in flashings, labour in fair returns, ends, angles and the like, selecting slabs for size and consistency of quality, boasting, working mouldings and similar special features, jointing, grouting, cleaning and sealing including working overhand and working over and around obstructions, temporary centring for arches, projecting corbels and the like including all necessary temporary support, easing, striking and removal, movement joints including joint filler, pointing with sealant, protection during execution and cleaning on completion, samples and mock up samples (as specified), shop drawings (as specified). 1.20 In addition to above point 1.19, Rates for measured work for integrated façade cladding system are deemed to include the costs of:design of integrated façade cladding system including all main and secondary steel required to support façade cladding system, fully finished and coated with protective coating and/or fireproofing coating as applicable and as stipulated in the specifications, including brackets and heavy duty anchors including necessary coating, fixings, fittings and accessories, fire-safing and smoke seal for integrated façade cladding system