REVAMP BATHROOM PACKAGE (Hack & retile) @ $9,288 nett! PROJECT MANAGEMENT 1. Site co-ordination & supervision. 2. Submission of authority permit application to HDB. 3. ONE-year workmanship warranty. DEMOLITION WORKS 4. Hacking off existing floor & wall tiles at both bathroom. 5. Dismantle existing sanitary wares at both bathroom. 6. Dismantle existing bathroom accessories. 7.