M3 Lecture 10 timber roof structure covering
- 2. Objective:- 1) To extend and define skills relating to the measurement and description of building works – Roof Structure. Learning Outcome:- 1) Measurement roof structure elements in a building in accordance to standard Method of Measurement.
- 5. Roof Structure 1) Plates – meter - m 2 1e1) Plates meter m.2.1e 2) Ceiling Joists – meter – m.2.1d 3) Rafters – meter – m 2 1d3) Rafters – meter – m.2.1d 4) Ridge Boards – meter – m.2.1d 5) Struts meter m 2 1d5) Struts – meter – m.2.1d 6) Hip/ Valley rafter – meter- m.2.1e Roof CoveringRoof Covering 6) Roof tiles – m2 – L.4 7) I l ti 2 L 157) Insulation – m2 – L.15 8) Ridge / hip Capping – m – L.9.2 9) F i b d M 4 1 G9) Fascia board – m – M.4.1.G 10) Painting – m / m2 – U.3.2
- 6. R f D iRoof Drainage 1) Upvc Gutter – m – Q.5.1 2) Gutter fittings – No – Q.5.3 3) Rain water downpipe – m – Q.5.1) p p Q
- 9. M.2 Carcassing Items Unless otherwise stated or included as part of a it it ll i it h ll bcomposite item all carcassing items shall be given in metres stating the cross-section dimensions Classification:-dimensions. Classification: A) Floors. B) PartitionsB) Partitions. C) Flat roofs. D) Pitched roofs including ceiling joistsD) Pitched roofs including ceiling joists. E) Kerbs, bearers and the like including plates, sleepers and lintelssleepers and lintels.
- 10. 1)Plates Width x high sawn pressed timber Grade B timber plates. 2) to 6) Pitched roof members Width x high sawn pressed timber Grade Bg p pitched roof members.
- 11. Trussed rafters, roof trusses and the like shall be described and enumerated and l th b d t l d ib d itunless they can be adequately described, it shall be accompanied by drawn information in accordance with clause A 5in accordance with clause A.5.
- 12. L.4 Roof Covering Roof covering shall be given in square metre stating the pitch or pitches grouped together. Vertical covering shall be given separately. L.9.2 Ridge, hip, vertical Ridge tiles , hip tiles and vertical angle tiles shall each be given in metres as extra over the roof coverings in which they occur.
- 13. L15 Underlay Underlay shall be given in square metres stating stating the type and extent of the laps and method of fixing. M.4.1.G Eaves and verge boarding, fascias and barge boards and the like grouped together and measured in metres stating the cross-section size.