J.ILANGUMARAN

Drainage SystemDrainage System

��Sanitary DrainageSanitary Drainage

��Single stackSingle stack

��Storm DrainageStorm Drainage

Sanitary DrainageSanitary Drainage

�� Hotel TowerHotel Tower

––Gravitational FlowGravitational Flow

––Single StackSingle Stack

�� PodiumPodium

––GravitationalGravitational

––Pumping System (Sump Pumps)Pumping System (Sump Pumps)

Drainage System Drainage System ComponentsComponents

�� Sanitary Fixtures & TrapsSanitary Fixtures & Traps

�� Soil & Waste StacksSoil & Waste Stacks

�� Vent StacksVent Stacks

�� Cast Iron & Copper pipingCast Iron & Copper piping

�� Grease, Oil and Lint InterceptorsGrease, Oil and Lint Interceptors

�� Duplex & Simplex Sump StationDuplex & Simplex Sump Station

�� Floated Float SwitchesFloated Float Switches

�� Floor drains & Clean outsFloor drains & Clean outs

InterceptorsInterceptors

�� Grease InterceptorsGrease Interceptors

–– Used in kitchens, Restaurant to collect the Fats & OilUsed in kitchens, Restaurant to collect the Fats & Oil

�� Oil InterceptorsOil Interceptors

–– Used in Service Stations, Parking and garages to Used in Service Stations, Parking and garages to

separate the oil from waste water.separate the oil from waste water.

�� Lint InterceptorsLint Interceptors

–– Generally used with Laundry equipments to Generally used with Laundry equipments to

collect the debris from waste water, buttons, collect the debris from waste water, buttons,

stone chips etcstone chips etc..

Grease InterceptorsGrease Interceptors

�� Water draining to the interceptor passes through a Water draining to the interceptor passes through a flow control fitting which regulates the velocity of the flow control fitting which regulates the velocity of the water to the capacity of the interceptor. As the water water to the capacity of the interceptor. As the water enters the interceptor at this controlled rate of flow, it enters the interceptor at this controlled rate of flow, it is free of turbulence. It then passes over a series of is free of turbulence. It then passes over a series of separator baffles which are strategically located to separator baffles which are strategically located to insure that greases, fats and oils are efficiently insure that greases, fats and oils are efficiently separated from the waste water. Once separated, separated from the waste water. Once separated, these contaminants rise to the surface of the water in these contaminants rise to the surface of the water in the interceptor by natural floatation and are the interceptor by natural floatation and are accumulated until removed. accumulated until removed.

�� The waste water now relieved of over 90% of the The waste water now relieved of over 90% of the contaminant oils and greases, continues to flow contaminant oils and greases, continues to flow though the interceptor into the sanitary systemthough the interceptor into the sanitary system..

Grease InterceptorGrease Interceptor

Large CapacityLarge Capacity

Grease InterceptorGrease Interceptor

Small CapacitySmall Capacity

Oil InterceptorsOil Interceptors

�� The Oil and grease Inceptors works on The Oil and grease Inceptors works on Gravity separation principle.Gravity separation principle.

�� The interceptor collects oil and The interceptor collects oil and conveniently permits the collected oil to conveniently permits the collected oil to be drained to a storage tank by means of be drained to a storage tank by means of an adjustable gravity drawan adjustable gravity draw--off off connection. Sediment and chips are connection. Sediment and chips are collected in sediment bucket and collected in sediment bucket and periodically removed. Rate of flow into periodically removed. Rate of flow into the interceptor is controlled by a flow the interceptor is controlled by a flow control plate. control plate.

Oil InterceptorOil Interceptor

Oil InterceptorOil Interceptor

Pumping System Pumping System

Sump Pumps Station/ Lift stationSump Pumps Station/ Lift station

�� Duplex Sump StationDuplex Sump Station

–– Two sump pumps are used to lift the Two sump pumps are used to lift the

soil/waste water from sump and discharge soil/waste water from sump and discharge

to Drainage network.to Drainage network.

�� Simplex StationSimplex Station

–– A Single pump is used to lift the soil A Single pump is used to lift the soil

/waste water from sump and discharge to /waste water from sump and discharge to

Drainage network.Drainage network.

Duplex Sump Station Duplex Sump Station --

ComponentsComponents

�� Sump PitSump Pit :1 No.:1 No.

�� Sump PumpsSump Pumps :2 Nos.:2 Nos.

�� Floated Float switchesFloated Float switches :4 Nos.:4 Nos.

�� Wall Mounted PanelWall Mounted Panel :1 No:1 No

Duplex StationDuplex Station

Duplex Panel & ValvesDuplex Panel & Valves

Operation & MaintenanceOperation & Maintenance

�� Duplex & Simplex Sump Pumps Duplex & Simplex Sump Pumps operation is automatic with the help of operation is automatic with the help of Floated Float Switches.Floated Float Switches.

�� Waste Water High level is monitored Waste Water High level is monitored thru Floated Float Switches.thru Floated Float Switches.–– Alarm is generated Alarm is generated on panel and in BMS on panel and in BMS

work stationwork station on increase of waste water on increase of waste water level in the Sump Pit.level in the Sump Pit.

ChecksChecks--Before Operation StartBefore Operation Start

Mechanical ChecksMechanical Checks��Disconnect Power SupplyDisconnect Power SupplyDisconnect Power SupplyDisconnect Power SupplyDisconnect Power SupplyDisconnect Power SupplyDisconnect Power SupplyDisconnect Power Supply

��Check the visible parts of Pumps and Check the visible parts of Pumps and Check the visible parts of Pumps and Check the visible parts of Pumps and Check the visible parts of Pumps and Check the visible parts of Pumps and Check the visible parts of Pumps and Check the visible parts of Pumps and accessories in Sump.accessories in Sump.accessories in Sump.accessories in Sump.accessories in Sump.accessories in Sump.accessories in Sump.accessories in Sump.

��Check the mountings of pumps and Check the mountings of pumps and Check the mountings of pumps and Check the mountings of pumps and Check the mountings of pumps and Check the mountings of pumps and Check the mountings of pumps and Check the mountings of pumps and accessories.accessories.accessories.accessories.accessories.accessories.accessories.accessories.

��Check the monitoring & controlling Check the monitoring & controlling Check the monitoring & controlling Check the monitoring & controlling Check the monitoring & controlling Check the monitoring & controlling Check the monitoring & controlling Check the monitoring & controlling components( Floated Floats).components( Floated Floats).components( Floated Floats).components( Floated Floats).components( Floated Floats).components( Floated Floats).components( Floated Floats).components( Floated Floats).

��Check the handling accessories.Check the handling accessories.Check the handling accessories.Check the handling accessories.Check the handling accessories.Check the handling accessories.Check the handling accessories.Check the handling accessories.

��Take care surrounding liquid may be Take care surrounding liquid may be Take care surrounding liquid may be Take care surrounding liquid may be Take care surrounding liquid may be Take care surrounding liquid may be Take care surrounding liquid may be Take care surrounding liquid may be hot.hot.hot.hot.hot.hot.hot.hot.

ChecksChecks--Before Operation StartBefore Operation Start

Electrical ChecksElectrical Checks

��Check Power & Control connections.Check Power & Control connections.

��Check the Pump motor & Cable Insulation Check the Pump motor & Cable Insulation

(Record it).(Record it).

��Check the Fuse rating and Overload setting Check the Fuse rating and Overload setting

in panel.in panel.

��Check the Floated Float Switches and are in Check the Floated Float Switches and are in

control circuit.control circuit.

��Make the Power ON and give a starting kick Make the Power ON and give a starting kick

to check the rotation. to check the rotation. Transpose two phase Transpose two phase

leads if rotations are wrong.leads if rotations are wrong.

Automatic OperationAutomatic Operation

Duplex Sump StationDuplex Sump StationThere are 4 Float switches:There are 4 Float switches:There are 4 Float switches:There are 4 Float switches:There are 4 Float switches:There are 4 Float switches:There are 4 Float switches:There are 4 Float switches:

��One is for dry run protection of PumpsOne is for dry run protection of PumpsOne is for dry run protection of PumpsOne is for dry run protection of PumpsOne is for dry run protection of PumpsOne is for dry run protection of PumpsOne is for dry run protection of PumpsOne is for dry run protection of Pumps

��Two are for starting the Sump pumps Two are for starting the Sump pumps Two are for starting the Sump pumps Two are for starting the Sump pumps Two are for starting the Sump pumps Two are for starting the Sump pumps Two are for starting the Sump pumps Two are for starting the Sump pumps

(One for each Pump).(One for each Pump).(One for each Pump).(One for each Pump).(One for each Pump).(One for each Pump).(One for each Pump).(One for each Pump).

��One is for generating high level alarm One is for generating high level alarm One is for generating high level alarm One is for generating high level alarm One is for generating high level alarm One is for generating high level alarm One is for generating high level alarm One is for generating high level alarm

in panel and in BMS workstation.in panel and in BMS workstation.in panel and in BMS workstation.in panel and in BMS workstation.in panel and in BMS workstation.in panel and in BMS workstation.in panel and in BMS workstation.in panel and in BMS workstation.

THERE WOULD BE THREE FLOAT SWITCHES IN THERE WOULD BE THREE FLOAT SWITCHES IN

SIMPLEX SUMP STATIONSIMPLEX SUMP STATION

OperationOperation

Duplex Sump StationDuplex Sump Station

��Keep the HANDKeep the HAND--OFFOFF--AUTO Selector switch AUTO Selector switch on Auto Mode.on Auto Mode.

��Once soil waste/ storm water level increases Once soil waste/ storm water level increases to First Float switch level of first pump, The to First Float switch level of first pump, The First pump will start.First pump will start.

��If the level further increases and reaches to If the level further increases and reaches to the 2the 2ndnd Float switch level, the 2Float switch level, the 2ndnd Pump will Pump will start.start.

��Once the sump level decreases, the pump Once the sump level decreases, the pump will become off in same sequence.will become off in same sequence.

��Pump operation sequence shall be automatically Pump operation sequence shall be automatically changing thru Latch Relay on every consecutive changing thru Latch Relay on every consecutive starts/operation.starts/operation.

MonitoringMonitoring-- Oil InterceptorOil Interceptor

The operation is monitored thru The operation is monitored thru electronic panel and the probes installed electronic panel and the probes installed in interceptors.in interceptors.

�� Normal Operation Normal Operation -- Normal level light is Normal level light is ON on the Electronic Monitoring systemON on the Electronic Monitoring system..

�� 50% Level light is ON, indicates 50% 50% Level light is ON, indicates 50% capacitycapacity

�� When maximum capacity Level light is When maximum capacity Level light is ON, indicates ON, indicates maximummaximum capacity. Once capacity. Once it is indicated the, the Alarm sounds and it is indicated the, the Alarm sounds and valve is closed.valve is closed.

MaintenanceMaintenance

WarningWarning-- Before Starting workBefore Starting work

BEFORE STARTING WORK ON THE PUMP, BEFORE STARTING WORK ON THE PUMP,

MAKE SURE THAT THE PUMP IS ISOLATED MAKE SURE THAT THE PUMP IS ISOLATED

FROM THE POWER SUPPLY AND CANNOT FROM THE POWER SUPPLY AND CANNOT

BE ENERGISED. THIS ALSO APPLIES TO BE ENERGISED. THIS ALSO APPLIES TO

THE CONTROL CIRCUIT.THE CONTROL CIRCUIT.

�� BEWARE OF RISK INFECTION.BEWARE OF RISK INFECTION.

�� WEAR GOGGLES AND RUBBER GLOVESWEAR GOGGLES AND RUBBER GLOVES

�� FOLLOW LOCAL SAFETY REGULATIONSFOLLOW LOCAL SAFETY REGULATIONS

Sump Pumps & PitsSump Pumps & Pits

�� Clean the Pump thoroughly and rise it Clean the Pump thoroughly and rise it with clean water.with clean water.

�� Clean the sump pit.Clean the sump pit.

�� Check the floats switches operation.Check the floats switches operation.

�� Check the insulation of motor and record Check the insulation of motor and record it.it.

�� Check the pump for oil leakage.Check the pump for oil leakage.

�� Change the oil as per manufacturer Change the oil as per manufacturer direction and recommendation given along direction and recommendation given along with O&M manual.with O&M manual.

�� Frequency of cleaning depends on the Frequency of cleaning depends on the usage and loadusage and load

Maintenance Maintenance --InterceptorsInterceptors

�� Periodical cleaning of oil and grease Periodical cleaning of oil and grease

etc.etc.

–– Based on load and usage.Based on load and usage.

�� Check probes and its functions.Check probes and its functions.

�� Check connection and indicators.Check connection and indicators.

Trouble Shooting Trouble Shooting –– Sump PumpsSump Pumps

Problem Possible Cause Solution

Unit does not operate.

Sump water level low.

No power.

Float switch is stuck in the open position.

Normal. When water level in the sump rises, the pump will automatically operate. To test this, lift the float upwards, if the pump starts, release the float immediately.

Check power is available to the unit.

Float restricted and this kept the switch open.

•••• Clean the float.•••• Unit will operate.•••• Clean the sump.•••• Ensure that the float is not

restricted.

Trouble Shooting Trouble Shooting –– Sump PumpsSump Pumps

Unit operates continuously.

Float switch is stuck in the closed position.

Check float position and free the float if stuck.

Unit operates but no or little water drained.

Suction inlet restricted.

Discharge line restricted.

Clean suction inlet.

Clean discharge line.

Trouble ShootingTrouble Shooting InteractionInteraction

�� Alarm in BMS Work Station and on panel.Alarm in BMS Work Station and on panel.

�� ObservationObservation

–– Pumps operation normalPumps operation normal

–– Level is normal.Level is normal.

�� What is wrong?What is wrong?