Supervision of Water Supply Systems Rehabilitation Works for 17 (21) Towns Under WIMP (EIB/WIMP/C/QCBS/03).

2. Supervision ofWater Supply Systems RehabilitationWorks in 17 (21)Towns of Georgia underWIMP
(Rehabilitation of LanchkhutiWater 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 10nrValves.
 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

4. PIPE TRENCH EXCAVATION

5. 24,250M OF PE100 PIPE (OD200, OD160, OD110, OD90, OD63
& OD32) INSTALLED UNDER THE PROJECT

7. PE PIPE WELDING

9. BRANCH CONNECTIONS UNDERGROUND FIRE HYDRANT AND ISOLATING VALVE

11. 55NR OF PREFABRICATED CONCRETE MANHOLES
INSTALLED IN CITY NETWORK

14. 1,151NR HOUSE CONNECTIONS
& 10,300M OF PE100 PIPE (OD20)

15. PE EF PIPE SADDLE FOR HOUSE CONNECTIONS PN16 WATER METER PVC BOX

16. CORRUGATED PVC PIPES AS BOXES FOR 1ST VALVE WM BOX AND 1ST VALVE CORRUGATED BOX

17. DEWATERING OF TRENCH – LANCHKHUTI CITY HAS HIGH
LEVEL OF UNDERGROUND WATER

18. PIPE CROSSING OVER THE EXISTING STORM WATER
CHANNELS & CREEKS

19. BRIDGE CROSSING

20. PRESSURE TESTING AS PER “SNIP” CONSTRUCTION NORMS
AND REGULATIONS 3.05.04-85*

21. DISINFECTION BY CHLORINATION FLUSHING POINT

22. 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.

23. STEEL PIPE MATERIAL (D109/4MM & D272/6MM),

24. LashisGele
Intake Filter
Rehabilitation of Headwork
CapitationArea (new stone
filter layers and perforated
collection pipes)

25. ORIGINAL STATUS OF CLOGGED FILTER AREA EXCAVATION & REMOVAL OF EXISTING FILTER MATERIAL

26. PERFORATED COLLECTION PIPES

27. APPLICATION OF NEW FILTER MATERIAL

28. INSTALLATION OF GEO-TEXTILE ON SIDES OF FILTER AREA COLLECTION PIPES, VENTILATION PIPE

29. PERFORATED COLLECTION PIPES

30. FILTER MATERIAL

32. FINAL STATUS

33. REGULATION OF NEW 500M3 RESERVOIR INFLOW
VALVE CLOSED – WATER FROM FILTER DISCHARGED INTO
THE RIVER

35. LashisGele Reservoir /
Chlorinator Building

36. EXISTING RESERVOIR HAD TO BE DEMOLISHED DUE TO
MULTIPLE LEAKAGES, DETERIORATED CONCRETE
WALLS & BASE SLAB OF OLD RESERVOIR USED AS SHELL
FOR NEW RESERVOIR

37. NEW BASE SLAB, WALLS & COLUMNS NEW RESERVOIR ROOF SLAB REINFORCEMENT

38. RESERVOIR INTERIOR

39. BITUMEN PROTECTION
FINAL STATUS AFTER BACKFILLING (INSTALLED ULTRA SONIC
WATER LEVEL METER, AUTOMATIC VALVE ON INLET SHAFT,
VENTILATION PIPES, LAMP-POSTS AND ACCESS MANHOLES)

40. LashisGele Reservoir
Chlorinating Building
Double “Bunker type”
Chlorinator with 2nr Chlorine
Gas submersible chambers in
case of emergency, Chlorine
Gas automatic dosing system,
SCADASystem

41. ORIGINAL CHLORINATOR BUILDING NEW CHLORINATOR BUILDING

42. RESERVOIR OUTLET PIPING
RESERVOIR VALVE (SHUTTER) CHAMBER, UL.SONIC FLOW
METER SHAFT, RESIDUAL CHLORINE ANALYSER SHAFT
INTEGRATED IN SCADA SYSTEM

43. OragvisGele Outfall
New 1,900m3 Reservoir &
reconstructed Salt based
Chlorinator Building

44. DUE TO DETERIORATED CONDITION OF EXISTING
CONCRETE, MULTIPLE LEAKAGES, EXISTING RESERVOIR
WAS PARTIALLY DEMOLISHED

45. EXISTING BASE SLAB & PARTIAL WALLS –USED AS SHELL
FOR NEW RC RESERVOIR
NEW BASE SLAB, WALLS, COLUMNS

46. NEW RESERVOIR ROOF SLAB REINFORCEMENT
ROOF SLAB CONCRETE.
(ASSOCIATED VALVE CHAMBER & ASSOCIATED INLET &
OUTLET PIPES AND VALVES INCLUDED)

47. NEW 1,900M3 RESERVOIR INTERIOR
FINAL STATUS – AFTER BACKFILLING, INSTALLATION OF
UL.SONIC WATER LEVEL METER

48. OragvisGele Outfall
Chlorinating Building
Rehabilitation at the existing
Chlorination Building and
installation of Salt Based
Disinfection System at the
OragvisGele Reservoir Inlet
Area.
Installation of SCADA System
including Flow Measurement,
ResidualChlorine Monitoring
and Flow Control.

49. ORIGINAL CHLORINATING BUILDING REHABILITATED CHLORINATING BUILDING

50. ORIGINAL STATUS OF CHLORINATING BUILDING MIXING
BASIN
REHABILITATED INTERIOR, CEILING, WINDOWS, MIXING
BASIN