Abrasion marks on the side of concrete slab
- Description of defect
Contact of ropes and the side of concrete slab will cause abrasive wear to the concrete surface.
- Causes
- Ropes detached from the diverter pulley
Abrasion marks on the concrete slab [20]
- Good practices
The floor of the machine room should capable to sustain a concentrated load of 135 kg on any 2500 mm² area. Meanwhile, the opening for ropes through the machine room floor shall be practically small and be fitted with curb having a height not less than 50 mm (SS550).
- Corrections
The machine rooms shall be designed and constructed in a way it can withstand the loads and forces, including the plant and machinery loads. The material used has to be durable and not allowing creation of dust. The floor of the room shall to made of a non-slip material.