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Basement Waterproofing. OBJECTIVES. To gain a better understanding about membrane system To know about the various brand of membranes Practical Applications Enjoy yourself. Discuss basement waterproofing using membrane system with case studies. Tanking Protection. External Tanking
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OBJECTIVES • To gain a better understanding about membrane system • To know about the various brand of membranes • Practical Applications • Enjoy yourself
Discuss basementwaterproofing using membrane system with case studies
Tanking Protection External Tanking Reversed Tanking Sandwiched Tanking Internal Tanking
Case Study Emery Point Condominium
Emery Point Condo • Residential Condominium Development • One 19-storey block (51 units) • Two basement carparks • Other ancillary facilities
Emery Point Condo • Along Ipoh Road • Old landed properties • Other high-rise condominiums • Madrasah Maarif Islamiah (Islamic School)
SITE LOCATION PLAN IPOH LANE Madrasah Maarif Islamiah 30, Ipoh Lane 15, 17, 19, & 21 Thiam Siew Ave
Emery Point Condo External Tanking using ELASTO-DECK B.T. Polyurethane Elastomeric Waterproof Membrane
2 LEVEL OF BASEMENT 2625 2500 SINGLE LEVEL BASEMENT MADRASAH MAARIF ISLAMIAH BH1 BH2 BH3 BH4 30, IPOH LANE 5M UPPER MARINE CLAY STIFF CLAY 17M LOWER MARINE CLAY SILT STONE LOWER STIFF CLAY 50M
Reasons • Curing not dependent on atmosphere moisture • Cheaper to install • Non health hazardous • Rectification
Temporary Sheet Piling Working Space for laying membrane Working Space for laying membrane
Steel Formwork Piercing Into Wall Lift core
Screw Lift core
Waterproof membrane Spindler Pins The membrane
Protection board Backfill
Sheet Membranes • Bitumenised fabric sheets • Polymeric sheet membrane • Elastomeric rubber sheet • Bitumenised laminated boards
Application of the Sheet Membranes • Torching • Bonding compounds • Self-adhesive membranes
Liquid Membranes Polyurethane Epoxy Acrylic Emulsions Bentonite Clay Active Membranes Mastic Asphalt Membranes Cementitious Renders, Toppings and Coatings
External Tanking Membrane placed outside structural wall
Reversed Tanking Membrane applied to a surface prior to the construction of the structural elements against it
Sandwiched Tanking Membrane placed in between two structural walls
Internal Tanking Membrane applied inside of structural wall