Grand Housing Development Program Volume III - Gtz

INTERNAL STAIRCASE(CONTINUED)The renewedhandrail’s postis mounted andenclosed by aconcrete basis.While casting theconcrete a spaceto the upper levelof the step is left(approx. 2,5 cm).The space is filledwith a mixtureout of mortar andmarble chips.Fixture of the old handrail at the lowest point. A part of thelast step is broken and missing.After curing thesurface can begrinded and polished.The result looksquite similar to theoriginal terrazzosteps.The mixture of mortar and marble chippings.The original terrazzosteps arecleaned with amixture of waterand acid.The ceramic skirting board is mounted.52Addis AbabaCity Government