lanchkhuti city / oragvis gele rc tank (1,900m3)
TRANSCRIPT
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Oragvis-Gele RC Tank Construction
(1,900m3)
A part of Lanchkhuti City Water Supply System
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MULTIPLE LEAKAGES RECORDED, PREVIOUS REPAIR ATTEMPTS BY PLASTERING OF SURFACE NOT SUCCESSFUL.
ORIGINALLY PLANNED REPAIRS OF EXISTING RC TANK BY CLEANING OF PLASTER AND IRONING OF WALLS & ROOF SLAB - NOT IMPLEMENTED DUE TO DETERIORATED CONDITION OF THE TANK.
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Existing RC Tank Status
During the original construction of existing Tank – concrete cover has not been provided for roof slab re-bars, instead – plaster was applied, which has falling off repeatedly. High moisture environment caused severe corrosion of steel reinforcement.
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Planned Construction Method
Existing Tank shell to be used for construction of new RC Tank; -Horizontal PVC Water Stop between wall kickers in base slab & wall segments; -- Vertical PVC Water Stop between 4nr Wall segments
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SOIL COVER (30CM) & REMAINING HYDRO-INSULATION REMOVAL
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TO ENABLE ENTRY FOR CONSTRUCTION OF NEW RC TANK
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EXISTING TANK BASE SLAB PREPARED FOR REINFORCEMENT
NEW RC TANK – BASE SLAB REINFORCING WORKS
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SURVEY CONTROL COLUMN PLINTHS FORMWORK, PVC WATER-STOP INSTALLATION
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HORIZONTAL PVC WATER STOP IN BASE SLAB’S WALL KICKER
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HORIZONTAL / VERTICAL WATER STOP FOR CONSTRUCTION JOINTS
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VISIBLE VERTICAL PVC WATER STOPS FOR WALL’S SEGMENTS JOINTS
VISIBLE VERTICAL PVC WATER STOPS FOR WALL’S SEGMENTS JOINTS
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VERTICAL PVC WATER STOP ON CONSTRUCTION JOINT
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ROOF SLAB’S REINFORCEMENT CONCRETE INSTALLATION
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CONCRETE POURING CONCRETE CURING
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CONCRETE CURING (7 DAYS) SEALING BETWEEN EXISTING RESERVOIR WALL AND NEW
RESERVOIR BASE SLAB BY SILICONE FOAM
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RESERVOIR’S INTERIOR’S REPAIRS, CLEANING RESERVOIR BACKFILLING AFTER APPLIED HYDRO-
INSULATION
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RC Tank’s Final Status