1. KOECH KIPLANGAT JOSEPH ADM NO 2012/BC/25432 CLASS 2012BCBC1B

2. By the end of the lesson the learner should be able to: 1. Define foundation walling. 2. Sketch the foundation walling. 3. Describe the procedure of laying foundation walling 4. Name the tools used in foundation walling. Teaching aids: 1. Charts showing foundation walling 2. Existing structure on site Reference: 1. Building and construction pupils book two by K.I.E pg 8 2. Building and construction level one and two by K.I.E pg 10

3. foundation walling means constructing foundation under the ground which will hold the building in place firmly to the ground Strip foundation A type of foundation constructed to carry the load of the building to a firm base Setting out Is the transfer of the building measurement from the building plan to the actual field or site

5. 1. Transfer dead and live loads of the building into the soil structure 2. Provide a strong firm base of constructing the building 3. Provide exact measurement of building the succeeding superstructure 4. Prevent moisture and ground water from entering the house

6. 1. Excavation of the trenches to a depth of 1000mm 2. Lay concrete strip foundation on a level base trenches to concrete mix of 1:3:6 thickness of 200mm 3. Set out the first course aligning it using plumb bob spirit level and builders square and joint using cement mortar (1:3 ) 4. Construct three courses to ground level and backfill the trenches with excavated soil and compact 5. Fill the foundation walling with hardcore, and construct a floor screed on the foundation

7. 1. Trowel 2. Plumb bob 3. Tape measure 4. Spirit level 5. Builders line 6. Builders square 7. Masson hammer 8. Spade 9. Wheel barrow Plumb bob trowel Spirit level Tape measure