Essays on Construction Technology 1 Assignment

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I – BRC mesh as specifiedJ – It is 19 mm cement sand screed floor on 150 mm slab on 500 gauge polythene sheet dump proof membrane. K – 50 mm blinding of murram or quarry stone dustL – 250 mm well compacted hard core or specified infill materialM – Strip foundation or footing to specification and designN – Blinding to trenches 50 mm thick of murram or 1:4:8 concreteD. Wall bonds: English bond: This is a type of bond in which a course of stretchers alternate with a course made of headers. Flemish bond: It is a type of bond consisting of one course composing a header and a queens closer placed alternately, and the other course comprising of stretchers only. Garden wall bond: There are several types of garden wall bands some of which are described belowEnglish garden wall bondThis is a masonry wall bond in which there are three courses of stretchers to one course of headers. Flemish garden wall bond: This masonry wall bond in which headers are placed alternately with every three stretchers, and the headers are centered on center of the three stretchers in the course below: References: Frank Ching (1995) Building Construction Illustrated, University of Michigan publishers, MichiganIan Chandler (1990) Building Technology, Chartered Institute of Building publishers, New York

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