Lanchkhuti City / Oragvis Gele RC Tank (1,900m3)

Oragvis-Gele RC Tank Construction

(1,900m3)

A part of Lanchkhuti City Water Supply System

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.

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.

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

SOIL COVER (30CM) & REMAINING HYDRO-INSULATION REMOVAL

TO ENABLE ENTRY FOR CONSTRUCTION OF NEW RC TANK

EXISTING TANK BASE SLAB PREPARED FOR REINFORCEMENT

NEW RC TANK – BASE SLAB REINFORCING WORKS

SURVEY CONTROL COLUMN PLINTHS FORMWORK, PVC WATER-STOP INSTALLATION

HORIZONTAL PVC WATER STOP IN BASE SLAB’S WALL KICKER

HORIZONTAL / VERTICAL WATER STOP FOR CONSTRUCTION JOINTS

VISIBLE VERTICAL PVC WATER STOPS FOR WALL’S SEGMENTS JOINTS

VISIBLE VERTICAL PVC WATER STOPS FOR WALL’S SEGMENTS JOINTS

VERTICAL PVC WATER STOP ON CONSTRUCTION JOINT

ROOF SLAB’S REINFORCEMENT CONCRETE INSTALLATION

CONCRETE POURING CONCRETE CURING

CONCRETE CURING (7 DAYS) SEALING BETWEEN EXISTING RESERVOIR WALL AND NEW

RESERVOIR BASE SLAB BY SILICONE FOAM

RESERVOIR’S INTERIOR’S REPAIRS, CLEANING RESERVOIR BACKFILLING AFTER APPLIED HYDRO-

INSULATION

RC Tank’s Final Status