1. EY4106SUBJECT PEDAGOGICS 1:TECHNOLOGY WOODMATERIALS AND CONSTRUCTIONUnit 6 – Week 7 Teaching & Learning ActivitiesPlanning Permission to Subfloor Construction Department of Design & Manufacturing Technology Lecturer/Teacher: Mr. Joseph Lyster Teaching Assistant 1: Mr. Jonathan Spillane Teaching Assistant 2: Mr. James O’Halloran Academic Year 2011: Spring Semester Technical Support: Mr. Joe Murray Notes prepared by: Mr. Joseph Lyster
2. EY4106 Teaching & Learning Activities Planning Permission to Subfloor Department of Design & Manufacturing Technology
3. EY4106 Cork Rural Design Guide Department of Design & Manufacturing Technology
60. EY4106 Strip Foundation Traditional Strip foundation Most commonly used Usual 1050 X 350mm Suitable for – Average – Good bearing capacity soils Not suitable for – Very soft clays Silt Peat Badly made – up - ground Department of Design & Manufacturing Technology
61. EY4106 Strip Foundation Stepped Strip foundation Sloping sites Reduce excavation Step depths 112mm or 225mm Overlap of concrete Minimum 300mm Not less than depth of concrete foundation Department of Design & Manufacturing Technology
62. EY4106 Strip Foundation Wide Strip foundation Not common Reinforced Transverse reinforcement Resist tensions Wider than 900mm Suitable for – Ground with low bearing capacity Expensive Department of Design & Manufacturing Technology
63. EY4106 Deep Foundation Deep Strip foundation Rests on suitable strata Excavate 900mm or more Trench filled within 150mm of ground level Width depends on depth Department of Design & Manufacturing Technology
64. EY4106 Raft Foundation Raft foundation Suitable for – Low load bearing soils Soft natural ground Very soft clays Silt Peat Made – up – ground Average – Good bearing capacity soils instead of strip foundations Department of Design & Manufacturing Technology
65. EY4106 Raft Foundation Raft foundation Concrete slab Reinforced slab Up to 300mm thick Whole building area Pavement All Loads transmitted Slab thicker under load bearing walls Department of Design & Manufacturing Technology
66. EY4106 Pile Foundation Carry and transfer loads Subsoils of poor bearing capacity Deeper soil and rock of a high bearing capacity Avoids excessive excavation Plan of pile positions Department of Design & Manufacturing Technology
67. EY4106 Pile Foundation Made from Wood Steel Concrete Placed in ground Driven Drilled Jacked Department of Design & Manufacturing Technology
68. EY4106 Heavy Machinery Equipment To clear site Hymac’s JCB’s To remove / move materials Tractors Trailers Dumpers Department of Design & Manufacturing Technology
69. EY4106 Site Entrance Images courtesy of: Mr John Joyce Department of Design & Manufacturing Technology
70. EY4106 Site Clearance Large bucket Used to clear site’s topsoil 1050 mm bucket External – cavity leaf wall foundations 350 mm bucket Internal – single leaf wall foundations Images courtesy of: Mr John Joyce Department of Design & Manufacturing Technology
71. EY4106 Site Clearance/Excavation Perimeter trenches dug with 1050 mm bucket Internal trenches dug with 350 mm bucket Images courtesy of: Mr John Joyce Department of Design & Manufacturing Technology
72. EY4106 Excavation Open Timbering Close Timbering Department of Design & Manufacturing Technology
74. EY4106 Excavation/Foundation Preparation Mild steel bars Provide tensile strength Min. 25mm from surface Prevents rusting Adequate depth to support Spacers Position reinforcing bars Provide the necessary cover Images courtesy of: Mr John Joyce Department of Design & Manufacturing Technology
75. EY4106 Laying Foundation Cement trucks pull in on site Concrete poured directly into trench Filled up level with tops of pegs Levelled roughly with shovels Top of wooden peg to which the foundation will be levelled to Images courtesy of: Mr John Joyce Department of Design & Manufacturing Technology
76. EY4106 Laying Foundation Tapered off level with tamping board Images courtesy of: Mr John Joyce Department of Design & Manufacturing Technology
77. EY4106 Laying Foundation Images courtesy of: Mr John Joyce Department of Design & Manufacturing Technology
78. EY4106 Foot/Rising Walls Images courtesy of: Mr John Joyce Department of Design & Manufacturing Technology
79. EY4106 Foot/Rising Walls Images courtesy of: Mr John Joyce Department of Design & Manufacturing Technology
80. EY4106 Foot/Rising Walls Images courtesy of: Mr John Joyce Department of Design & Manufacturing Technology
81. EY4106 Foot/Rising Walls Provision for Services Images courtesy of: Mr John Joyce Department of Design & Manufacturing Technology
82. EY4106 Foot/Rising Walls Hard-core fill Images courtesy of: Mr John Joyce Department of Design & Manufacturing Technology
83. EY4106 Foot/Rising Walls Radon/DPC/Insulation Images courtesy of: Mr John Joyce Department of Design & Manufacturing Technology
84. EY4106 Foot/Rising Walls Plumbing Images courtesy of: Mr John Joyce Department of Design & Manufacturing Technology