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WATER TREATMENT WORKS PROFORMA
DRINKING WATER TREATMENT PLANT LUDUŞ
………………………………………….
Raw Water Quality
Parameter Units Min Average MaxTurbidity FNU 30 111 1800ColourpH Unit. pH 6,9 7,5 8Temp oCT. hardness Grade
germaneCa HardnessT. alkalinity mval 1,9 2.1 2,6EC Nr/100 cm3 330 1100 2300TDSIron mg/lManganese mg/lSulphate mg/lChloride mg/lNitrate mg/l 16,2 24,3 40Nitrite mg/l 0,05 0,24 0,5Ammonia mg/l 0,05 0,87 1,81
Comments:
Treated Water Quality
Parameter Units Min Average MaxTurbidity FNU 4,5ColourpH Unit. pH 7,0Temp oC 16T. hardness Grade
germaneCa HardnessT. alkalinityEC nr/100 cm3
TDSIron mg/lManganese mg/lSulphate mg/lChloride mg/lNitrate mg/l 30Nitrite mg/l 0,1Ammonia mg/l 0,1Chlorine resid. mg/l 0,5
Comments:
Treatment Works Layout____________________________________________________________________
Treatment Works Flow Diagram________________________________________
Aducţiune Dn 500 Sulfat de aluminiu
Ozon
Nămol spre râu Nămol spre râu
Ozon
Nămol spre râuClor gazos
Legendă Apă brută Apă decantată Apă filtrată Apă potabilă Nămol Sulfat de aluminiu Ozon Clor gazos
Spre reţeaua de distribuţie
Captare de mal 165 l/s
Grătare
Staţie de pompare apă brută
Decantor suspensional
Filtre rapide cu nisip 21,6 m3
4 buc.
Bazin de contact
Staţie de pompare apă potabilă
Cameră de amestec şi distribuţie
Decantor suspensional
Postozonizare
WATER TREATMENT WORKS PROFORMA
Name of Works Uzina de apa Ludus… Inspection Date ….. /…. /20
Location : … Ludus city
Construction date: ….. ….
Raw Water Source : river Mures
Design Capacity : 10368.m3/d Current Output :3024. m3/d.
Maximum Output : …………. m3/d
Brief description of works: raw water intake, raw water conveying, chemical treatment, clarification, filtration on rapid sand filters, disinfection, potable water pumping
___________________________________________________________________
1. Raw water abstraction :
Location . river Mures
Gravity Pumped
Description :
Bar screens spacing …….. mm
Raked screens spacing ……… mm
Rotary screens mesh size ……. mm
Pumps:
Type ( i ) ……………………… …No. of pumps …………..
Manufacturer ……………………..
Y
Y
Delivery ……………………………..@ Head ……
Pump motor : Fixed speed Variable speed
Manufacturer …………………….. Rating……… kw
Speed ……… rpm Voltage ……….….V
Control: local remote from ………………………………
Type ( ii ) …………………………..No. of pumps ……..
Manufacturer … ……………………………….
Delivery ………………………………@ Head………
Pump motor : Fixed speed Variable speed
Manufacturer …………………………….Rating……..…..kw
Speed ……… .rpm Voltage …… V
Control: local remote from ………………………………
Condition:
___________________________________________________________________
2. Raw water storage : NO
Location:
No. of reservoirs ……..….. Type of storage reservoir(s) …………
Storage volume ( i )……..… m3
Outlet : Gravity Pumped
Condition:
___________________________________________________________________
3. Raw water transmission :
Distance to treatment works inlet 1400 m
Type of transmission system : pumped flow
Pipe diameter …500…mm
Condition:
___________________________________________________________________
4. Treatment works inlet
Inlet flow control : none Valve manual set Valve remote set
Inlet Chamber :
Dimensions : L …… m, W ….… m, H ….… m , diameter…………m
Exit from chamber : Pipe Weir Channel
No of exits ……..
To ………………..
Condition:
___________________________________________________________________
5. Aeration NO
Type ……………………………………………………..
Condition:
________________________________________________________________
6. Pre-Ozone :
Reason for ozone treatment great concentration of organic substances
No. of ozonators ………….. Type …………….
Manufacturer …………
Min output …..……kg/h, Max output ………… kg/h
Ozone contact tank volume ……….m3
Type of Ozone destructor …………………………………………………..
Pre-ozone dose ……….. mg/l,
Post-ozone dose ……….mg/l
Type of post ozone destructor ………………………………………………..
Condition:
___________________________________________________________________
7. Flash/rapid mixing
Type of mixing : Mechanical Hydraulic
No of units ……… No. of stages…………. Total residence time ………secs @ … .m3/h/stage
Description : …………………………………………………………………………...
……………………………………………………………………………………………………………………………………………………………………
Condition:
__________________________________________________________________
8. Flocculation:
Type of flocculator : Mechanical Hydraulic
No. of stages………… …. Total residence time ……….… mins
Residence time /G value per stage : ( i ) ……...…min/…….…s-1
( ii ) ………. min/ ………s-1
( iii ) ……… min/ ………s-1
Description : …………………………………………………………... ……..…………………………………………………………………………………………………………………………………………
Condition:
___________________________________________________________________
9. Clarification
Type ( i ), suspensional settlers type Pulsator No. of tanks 2Manufacturer………………………………
Loading rate ……………m3/m2/h Dimensions 3000 m3
Desludging system …hydraulic.
Time between desludging operations …………… hrs.
Duration of desludging …………… mins.
Condition:
________________________________________________________________
10. Filtration
Type ( i ), No. of filters 4. Type rapid gravity sand filters
Manufacturer ………………………………………………………………………….
Filtration rate …… m/h, Dimensions L ….… m, W ……… m
Type(s) of media : …………… … Size…………mm Depth ……. m … ……………..Size…………mm Depth ……. m
Average run length ……6….. hrs
Backwash initiation : time headloss turbidity […………. m ] [ ………..NTU ]
Underdrain :
Suspended floor Latterals
Type of nozzles …… …….. Nozzle spacing ………………m
Support media : Size …………..mm; Depth …………….m
Operation :
Constant rate Declining rate Constant head
Increasing head
Control :
Float Flow meter Level probes
Other
Describe …………………………………………………….
Condition:
___________________________________________________________________
11. Backwash :
Air scour rate ………m/h, Duration…10 mins.
water rate……… …..m/h, Duration …15…mins.
Backwash flow rate compensation for water temp. : Yes No
Y
Washwater supply : Elevated tank Pumps
Tank volume………….m3 Static head above filters …………..mNo. of pumps …3…Type of backwash pump …………………..……
Manufacturer ………………………………………………………………..
Fixed speed Variable speed
Delivery…………………………..@ Head…………………m
Condition:
___________________________________________________________________
11. Activated carbon NO
Reason for activated carbon treatment …………………………………..
Powdered carbon Granular carbon filters
Type of granular carbon ………….... Manufacturer …………….…….. ..
No. of carbon filters…….. Dimensions L……….m, W ………… m
EBCT …………… mins
Time between regenerations ……………….
Condition:
______________________________________________________________
12. Treated water storage NO
No. of reservoirs …………., Volume ( i ) …….… m3
Volume ( ii ) ……….m3
Separate chlorine contact tank; Yes No Volume 2000….m3
Condition:
Y
1Y
________________________________________________________________
13. Treated water forwarding
Gravity Pumps
Pumps: Type ( i ) 9 units Manufacturer ………………………… ……..
Type of pump …………………..…...
Delivery………….. l/s , @ Head …… m
Motor : Fixed speed Variable speed
Speed …………rpm, Rating ………… kw
Voltage ……………. kV
Type ( ii ), Manufacturer ………………..
Type of pump ………
Delivery ………… l/s m3 , @ Head ………… m
Motor : Fixed speed Variable speed
Speed …… …..rpm, Rating ………… kw
Voltage ….…kV
Condition:
________________________________________________________________
14. Chemical make-up and dosing
a) Primary coagulant :
Type Aluminum sulphate Produced by …………………..………...
Supplied in bags , Weight of bags……………kg
Supplied as liquid , Volume of container ………..m3 , Strength …………
Supplied in bulk , Per delivery…20 .tonne, Strength 15%…...
Total storage capacity at treatment works …………… tonne
Y
Y
Y
No. of storage tanks ……… . Volume per tank ………….. m3
No. of make-up tanks………………….Volume per tank ……………….m3
Strength of made-up solution …………………….
Solution dosing pumps :No. of pumps ………….. Min delivery …………….l/h
Max delivery …………….l/hManufacturer
…………………………………………………………………..
Automatic flow proportional dosing, Yes No
Carrier water, Yes No
Range of dose : ……………..mg/l to ……………….mg/l
Dosing point(s)………………………………………………………………
Rapid mix facility : mechanical Hydraulic static mixer
Residence time at design flow ………………mins
b) Polyelectrolyte : NO
Type……………. ….. Manufacturer …………………………. ……
Weight of bags ……… kg Storage capacity …………… kg
Type of make-up system ……………………………………………………………..
Carrier water, Yes No
Solution dosing pumps :
No. of pumps …………….. Min delivery …………….l/h
Max delivery …… l/hManufacturer ………………………………………………………………..
Automatic flow proportional dosing , Yes No
Range of dose, ………… mg/l to ………. mg/l
Dosing point(s) ……………………………………………… ………….
Residence time ………mins.
c) Lime dosing : NO
Pre-lime Post lime
Delivered in : Bags Bulk
Weight per bag ………..kg, Bulk delivery ………………tonne
No. of silos ……………… Silo capacity ………………tonne
No. of make-up tanks …………… Volume per tank ………………m3
Slurry strength ……………..%
Slurry dosing pumps :No. of pumps ……………. Min delivery……………..l/h
Max delivery …………….l/h
Automatic flow proportional dosing Yes No
Automatic via pH monitor Yes No
Carrier water, Yes No
Saturator; Yes No
Max capacity …………………………..
Range of lime dose; Pre-lime ………………..mg/l to ………………mg/lPost-lime ……………….mg/l to ………………mg/l
Dosing point(s) ………………………………………………………………………...
Rapid mix facility; Pre-lime ………………………………………………….
Post-lime …………………………………………………
d) Chlorination :
Gas Hypochlorite On-site generation
Gas :Delivered in : Cylinders Drums
Cylinder capacity ……………..kg Drum capacity ……………….kg
No. of containers in store ………………….
No of containers on-line …………………..
Y
Abstaction from containers; Gas Liquid
No of evaporators ……………… Capacity …………………..kg/h
Chlorinators :No. of chlorinators; duty ………standby…….. Max delivery
……….kg/hTurn-down ratio …………….Manufacturer
………………………………………………………………….Type ………………………..
Hypochlorite :Sodium hypochlorite Calcium hypochlorite
Storage capacity on site ………….m3
No. of dosing pumps ……………, min. delivery ………..l/hMax delivery ………..l/h
On-site generation :No. of units ……………. Max capacity ……………kg Cl2/hNo. of dosing pumps ……………, Min. delivery ………..l/h
Max delivery ………...l/h
Flow proportional dosing residual control
Range of chlorine dose; …………………. mg/l to ………………mg/l
Required chlorine residual in treated water ……………….mg/l Dosing point location(s) …………………………………………………………
……………………………………………………………………………..
e) Other chemicals :
Condition:
__________________________________________________________________________
Y
15. Instrumentation :
a) FLOW METERS
( i ) Location………………………………………………………………………………….Manufacturer ……………………………Model ……………………………………………..Type ……………………………………………………………………………………………Range ………………………… to ……………………………
Monitor Recorder Controller for ………………………………..
…………………………………………………………………………………………………
Local display Remote display at ………………………………………….
( ii ) Location…………………………………………………………………………………. Manufacturer ……………………………Model ……………………………………………..Type ……………………………………………………………………………………………Range ………………………… to ……………………………
Monitor Recorder Controller for ………………………………..
…………………………………………………………………………………………………
Local display Remote display at ………………………………………….
( iii ) Location………………………………………………………………………………… Manufacturer ……………………………Model ……………………………………………..Type ……………………………………………………………………………………………Range ………………………… to ……………………………
Monitor Recorder Controller for …………………………………
…………………………………………………………………………………………………..
Local display Remote display at ………………………………………….
( iv ) Location ………………………………………………………………………………… Manufacturer ……………………………Model ………………………………………………Type …………………………………………………………………………………………….Range ………………………… to ……………………………
Monitor Recorder Controller for …………………………………
………………………………………………………………………………………………….
Local display Remote display at ………………………………………….
( v ) Location …………………………………………………………………………………. Manufacturer ……………………………Model ………………………………………………Type …………………………………………………………………………………………….Range ………………………… to ……………………………
Monitor Recorder Controller for …………………………………
…………………………………………………………………………………………………..
Local display Remote display at ………………………………………….
Condition:
b) TURBIDIMETERS
( i ) Location …………………………………………………………………………………..Manufacturer ……………………………………… Model …………………………………...Range ……………………………… NTU to …………………………….NTU
Monitor Recorder
Local display Remote display at …………………………………………..
( ii ) Location ………………………………………………………………………………….Manufacturer ……………………………………… Model …………………………………...Range ……………………………… NTU to …………………………….NTU
Monitor Recorder
Local display Remote display at …………………………………………..
( iii ) Location …………………………………………………………………………………Manufacturer ……………………………………… Model …………………………………...Range ……………………………… NTU to …………………………….NTU
Monitor Recorder
Local display Remote display at …………………………………………..
( iv ) Location ………………………………………………………………………………….Manufacturer ……………………………………… Model …………………………………...Range ……………………………… NTU to …………………………….NTU
Monitor Recorder
Local display Remote display at …………………………………………..
( v ) Location ………………………………………………………………………………….Manufacturer ……………………………………… Model …………………………………...Range ……………………………. NTU to ………………………….NTU
Monitor Recorder
Local display Remote display at …………………………………………..
( vi ) Location ………………………………………………………………………………...Manufacturer ……………………………………… Model …………………………………...Range ……………………………… NTU to …………………………….NTU
Monitor Recorder
Local display Remote display at …………………………………………..
Condition:
c) pH METERS
( i ) Location …………………………………………………………………………………...Manufacturer ………………………………………. Model …………………………………..Range …………………… pH units to ……………………..pH units
Monitor Recorder Triple validation
Controller for …………………………………………………………………….
Local display Remote display at ………………………………………….
( ii ) Location ………………………………………………………………………………….Manufacturer ………………………………………. Model …………………………………..Range …………………… pH units to ……………………..pH units
Monitor Recorder Triple validation
Controller for …………………………………………………………………….
Local display Remote display at ………………………………………….
( iii ) Location …………………………………………………………………………………Manufacturer ………………………………………. Model …………………………………..Range …………………… pH units to ……………………..pH units
Monitor Recorder Triple validation
Controller for …………………………………………………………………….
Local display Remote display at
………………………………………….
( iv ) Location ………………………………………………………………………………...Manufacturer ………………………………………. Model …………………………………..Range …………………… pH units to ……………………..pH units
Monitor Recorder Triple validation
Controller for …………………………………………………………………….
Local display Remote display at ………………………………………….
Condition:
d) CHLORINE RESIDUAL METERS
( i ) Location ………………………………………………………………………………...Manufacturer ………………………………………. Model …………………………………..Range …………………… mg/l Cl2 to …………………….. Cl2
Free chlorine Total chlorine
Monitor Recorder Triple validation
Controller for …………………………………………………………………….
Local display Remote display at ………………………………………….
( ii ) Location ………………………………………………………………………………...Manufacturer ………………………………………. Model …………………………………..Range …………………… mg/l Cl2 to …………………….. Cl2
Free chlorine Total chlorine
Monitor Recorder Triple validation
Controller for …………………………………………………………………….
Local display Remote display at ………………………………………….
( iii ) Location ………………………………………………………………………………...Manufacturer ………………………………………. Model …………………………………..Range …………………… mg/l Cl2 to …………………….. Cl2
Free chlorine Total chlorine
Monitor Recorder Triple validation
Controller for …………………………………………………………………….
Local display Remote display at ………………………………………….
( iv ) Location ………………………………………………………………………………...Manufacturer ………………………………………. Model …………………………………..Range …………………… mg/l Cl2 to …………………….. Cl2
Free chlorine Total chlorine
Monitor Recorder Triple validation
Controller for …………………………………………………………………….
Local display Remote display at ………………………………………….
Condition:
___________________________________________________________________________
16 Sludge and Wastewater Treatment/disposal