Ludus Water Treatment Works Site Inspection Proforma

WATER TREATMENT WORKS PROFORMA

DRINKING WATER TREATMENT PLANT LUDUŞ

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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

Nămol spre râu Nămol spre râu

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

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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 ……………………..

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:

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2. Raw water storage : NO

Location:

No. of reservoirs ……..….. Type of storage reservoir(s) …………

Storage volume ( i )……..… m3

Outlet : Gravity Pumped

Condition:

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3. Raw water transmission :

Distance to treatment works inlet 1400 m

Type of transmission system : pumped flow

Pipe diameter …500…mm

Condition:

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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:

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5. Aeration NO

Type ……………………………………………………..

Condition:

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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:

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7. Flash/rapid mixing

Type of mixing : Mechanical Hydraulic

No of units ……… No. of stages…………. Total residence time ………secs @ … .m3/h/stage

Description : …………………………………………………………………………...

……………………………………………………………………………………………………………………………………………………………………

Condition:

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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:

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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:

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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

Describe …………………………………………………….

Condition:

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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

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:

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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:

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12. Treated water storage NO

No. of reservoirs …………., Volume ( i ) …….… m3

Volume ( ii ) ……….m3

Separate chlorine contact tank; Yes No Volume 2000….m3

Condition:

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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:

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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

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 ……………………………………………………………..

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

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 …………………..

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:

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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 ………………………………..

…………………………………………………………………………………………………

( iii ) Location………………………………………………………………………………… Manufacturer ……………………………Model ……………………………………………..Type ……………………………………………………………………………………………Range ………………………… to ……………………………

Monitor Recorder Controller for …………………………………

…………………………………………………………………………………………………..

( iv ) Location ………………………………………………………………………………… Manufacturer ……………………………Model ………………………………………………Type …………………………………………………………………………………………….Range ………………………… to ……………………………

………………………………………………………………………………………………….

( v ) Location …………………………………………………………………………………. Manufacturer ……………………………Model ………………………………………………Type …………………………………………………………………………………………….Range ………………………… to ……………………………

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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

( iii ) Location …………………………………………………………………………………Manufacturer ……………………………………… Model …………………………………...Range ……………………………… NTU to …………………………….NTU

Monitor Recorder

( iv ) Location ………………………………………………………………………………….Manufacturer ……………………………………… Model …………………………………...Range ……………………………… NTU to …………………………….NTU

Monitor Recorder

( v ) Location ………………………………………………………………………………….Manufacturer ……………………………………… Model …………………………………...Range ……………………………. NTU to ………………………….NTU

Monitor Recorder

( vi ) Location ………………………………………………………………………………...Manufacturer ……………………………………… Model …………………………………...Range ……………………………… NTU to …………………………….NTU

Monitor Recorder

Condition:

c) pH METERS

( i ) Location …………………………………………………………………………………...Manufacturer ………………………………………. Model …………………………………..Range …………………… pH units to ……………………..pH units

Monitor Recorder Triple validation