Gateway Tanking  Posted 30.06.02     
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Winter Project .Apply Proofex GPE Self Adhesive DPM to structural retaining walls of Commercial Retail, Office and Residential  Building cut into hill. Assist bonding with hot flame torch where low temperatures require.
Protect DPM with 90mm thick Polystyrene Sheet

north wall, narrow access at the bottom tight fit
west wall, still narrow but elbow room at least west wall primed ready for membrane
first lift of membrane up from the footings, west wall corner detailing is very important
north wall, reinforcing corners on ready for membrane working down low, the tightest area of wall, north side
first lift from footings completed, north wall north west corner, first lift from footings
90mm thick polystyrene protection boards being fitted, north wall pea gravel backfill being tipped into the north wall trench
the first lift from the footings has been backfilled, north wall 2nd lift of membrane completed, north wall
2nd lift covered with 90mm polystyrene protection boards ready for more backfilling, north wall 2nd lift backfilling, north wall
applying the membrane to the west wall looking down on the first lift from the footings, west wall, polystyrene protection board fitted
2nd lift of membrane, west wall 2nd lift of membrane, west wall
3rd lift of membrane, at ground level, west wall, membrane turned into a chase (raggle) and fillled with cold mastic sealant 3rd lift of membrane, at ground level, west wall, membrane turned into a chase (raggle) and filled with cold mastic sealant
south wall, only the base has been back filled, the rest of the wall done off scaffolding south wall, looking east, working off scaffold planks
south wall looking west,3rd lift high, working off scaffold planks brad sealing the top edge of the 3rd lift of membrane, south wall
west wall, top of membrane turned into chase and filled with bitumen mastic sealant west wall, fitting final protection in place at ground level, hardies cement sheet to reduce thickness
west wall, fitting final protection in place at ground level, hardies cement sheet to reduce thickness north west corner, fitting final protection in place at ground level, hardies cement sheet to reduce thickness
north wall, fitting final protection in place at ground level, hardies cement sheet to reduce thickness final protection in place at ground level, hardies cement sheet to reduce thickness
north west wall, completed to ground level north corner, same area as 1st picture, at ground level