Grand Housing Development Program Volume III - Gtz

FIRST FLOOR SLAB REPAIRA lintel is made, replacingthe existingwalls of the café’scorridor.The concrete iscast through thefirst floor slab intothe formwork.To ensure propercompaction of thecast concrete, avibrating cylinderis used. Sufficientcompaction is especiallynecessaryfor load bearingbuilding parts.Formwork is placed below the damaged area to hold thepumice concrete.The pumice is carefully compacted by hand not damaging orbending the steel wire mesh substructure.- Place reinforcement if needed. It has to be negotiatedwith the structural engineer, if reinforcement hasto be placed or not.- Place and compact pumice concrete. Concrete forThe lintel below the first floor slab after removing theformwork.(CONTINUED)The pumice concrete is placed. According to the structuralengineer’s calculations reinforcement was not needed.The repaired part of the slab seen from below. The wiremesh also serves as a base for the plaster.load bearing parts as lintels has to be compactedcarefully. Use a vibrating cylinder.THE KASANCHIS RENOVATION PROJECT HINTS ON THE EXECUTION OF WORK45Addis AbabaCity Government