Transcript
Supervision of Water Supply Systems Rehabilitation Works in 17 (21) Towns of Georgia under WIMP (Rehabilitation of Lanchkhuti Water Supply System EIB/WIMP/W/ICB/07)
Extension of Distribution Network: 24,250m of PE100 Pipe (OD200, OD160, OD110, OD90, OD63 & OD32), 450m
of Steel Pipe (d159/4mm, d108/3mm & d76/3.5mm), associated 1,151nr House Connections & 10,300m of PE100 Pipe (OD20).
Sectoring of City Network with 10nr Valves. Installation of 1,950m of Transmission Main Steel Pipe (d109/4mm & d272/6mm), from Lashis Gele Reservoir to
the City Network.
Lashis Gele Outfall - Construction of new Reinforced Concrete Reservoir (500m3), with associated Valve Chamber & installation of associated inlet & outlet pipes and valves, rehabilitation of Headwork Capitation Area (new stone filter layers and perforated collection pipes), construction of new Chlorine Building & Gas Storage Structure and installation of Chlorine Gas Dosing System at Reservoir Area, Installation of SCADA System including Flow Measurement, Residual Chlorine Monitoring and Flow Control.
Oragvis Gele Outfall - Construction of new Reinforced Concrete Reservoir (1,900m3) , with associated Valve Chamber & installation of associated inlet & outlet pipes and valves, rehabilitation at the existing Chlorination Building and installation of Salt Based Disinfection System at the second Reservoir Area. Installation of SCADA System including Flow Measurement, Residual Chlorine Monitoring and Flow Control.
Contract value 2,700,000GEL (€1,125,000) FIDIC Red Book MDB 2006
PIPE TRENCH EXCAVATION
24,250M OF PE100 PIPE (OD200, OD160, OD110, OD90, OD63 & OD32) INSTALLED UNDER THE PROJECT
PE PIPE WELDING
BRANCH CONNECTIONS UNDERGROUND FIRE HYDRANT AND ISOLATING VALVE
55NR OF PREFABRICATED CONCRETE MANHOLES INSTALLED IN CITY NETWORK
1,151NR HOUSE CONNECTIONS & 10,300M OF PE100 PIPE (OD20)
PE EF PIPE SADDLE FOR HOUSE CONNECTIONS PN16 WATER METER PVC BOX
CORRUGATED PVC PIPES AS BOXES FOR 1ST VALVE WM BOX AND 1ST VALVE CORRUGATED BOX
DEWATERING OF TRENCH – LANCHKHUTI CITY HAS HIGH LEVEL OF UNDERGROUND WATER
PIPE CROSSING OVER THE EXISTING STORM WATER CHANNELS & CREEKS
BRIDGE CROSSING
PRESSURE TESTING AS PER “SNIP” CONSTRUCTION NORMS AND REGULATIONS 3.05.04-85*
DISINFECTION BY CHLORINATION FLUSHING POINT
Lashis Gele Transmission Main Reservoir – City Network
Installation of 1,950m of Transmission Main Steel Pipe (d109/4mm & d272/6mm), from Lashis Gele Reservoir to the City Network.
STEEL PIPE MATERIAL (D109/4MM & D272/6MM),
Lashis Gele Intake Filter
Rehabilitation of Headwork Capitation Area (new stone filter layers and perforated collection pipes)
ORIGINAL STATUS OF CLOGGED FILTER AREA EXCAVATION & REMOVAL OF EXISTING FILTER MATERIAL
PERFORATED COLLECTION PIPES
APPLICATION OF NEW FILTER MATERIAL
INSTALLATION OF GEO-TEXTILE ON SIDES OF FILTER AREA COLLECTION PIPES, VENTILATION PIPE
PERFORATED COLLECTION PIPES
FILTER MATERIAL
FINAL STATUS
REGULATION OF NEW 500M3 RESERVOIR INFLOW VALVE CLOSED – WATER FROM FILTER DISCHARGED INTO THE RIVER
Lashis Gele Reservoir / Chlorinator Building
EXISTING RESERVOIR HAD TO BE DEMOLISHED DUE TO MULTIPLE LEAKAGES, DETERIORATED CONCRETE
WALLS & BASE SLAB OF OLD RESERVOIR USED AS SHELL FOR NEW RESERVOIR
NEW BASE SLAB, WALLS & COLUMNS NEW RESERVOIR ROOF SLAB REINFORCEMENT
RESERVOIR INTERIOR
BITUMEN PROTECTION FINAL STATUS AFTER BACKFILLING (INSTALLED ULTRA SONIC WATER LEVEL METER, AUTOMATIC VALVE ON INLET SHAFT, VENTILATION PIPES, LAMP-POSTS AND ACCESS MANHOLES)
Lashis Gele Reservoir Chlorinating Building
Double “Bunker type” Chlorinator with 2nr Chlorine Gas submersible chambers in case of emergency, Chlorine Gas automatic dosing system, SCADA System
ORIGINAL CHLORINATOR BUILDING NEW CHLORINATOR BUILDING
RESERVOIR OUTLET PIPING RESERVOIR VALVE (SHUTTER) CHAMBER, UL.SONIC FLOW METER SHAFT, RESIDUAL CHLORINE ANALYSER SHAFT INTEGRATED IN SCADA SYSTEM
Oragvis Gele Outfall
New 1,900m3 Reservoir & reconstructed Salt based Chlorinator Building
DUE TO DETERIORATED CONDITION OF EXISTING CONCRETE, MULTIPLE LEAKAGES, EXISTING RESERVOIR WAS PARTIALLY DEMOLISHED
EXISTING BASE SLAB & PARTIAL WALLS –USED AS SHELL FOR NEW RC RESERVOIR
NEW BASE SLAB, WALLS, COLUMNS
NEW RESERVOIR ROOF SLAB REINFORCEMENT ROOF SLAB CONCRETE. (ASSOCIATED VALVE CHAMBER & ASSOCIATED INLET & OUTLET PIPES AND VALVES INCLUDED)
NEW 1,900M3 RESERVOIR INTERIOR FINAL STATUS – AFTER BACKFILLING, INSTALLATION OF UL.SONIC WATER LEVEL METER
Oragvis Gele Outfall Chlorinating Building
Rehabilitation at the existing Chlorination Building and installation of Salt Based Disinfection System at the Oragvis Gele Reservoir Inlet Area. Installation of SCADA System including Flow Measurement, Residual Chlorine Monitoring and Flow Control.
ORIGINAL CHLORINATING BUILDING REHABILITATED CHLORINATING BUILDING
ORIGINAL STATUS OF CHLORINATING BUILDING MIXING BASIN
REHABILITATED INTERIOR, CEILING, WINDOWS, MIXING BASIN
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