4A HDB, Master Bedroom and corridor floor renovation:

Hacking Works

Supply material and labour to hack existing floor finish at Master Bedroom and corridor $400.00

Provide Sand, Haulage services and debris removal fees $300.00

Masonry Works

Supply and lay 600 mm x 600 mm homogeneous floor tiles at Master Bedroom. $850.00

Supply and lay 600 mm x 600 mm homogeneous floor tiles at Corridor. $200.00

Total: 1750

4A HDB, Master Bedroom and corridor floor renovation:

Hacking Works

Supply material and labour to hack existing floor finish at Master Bedroom and corridor $400.00

Provide Sand, Haulage services and debris removal fees $300.00

Masonry Works

Supply and lay 600 mm x 600 mm homogeneous floor tiles at Master Bedroom. $850.00

Supply and lay 600 mm x 600 mm homogeneous floor tiles at Corridor. $200.00

Total: 1750

OK lei but tiles are based on how many psf?