Grit Removal, Transfer and Treatment Equipment

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APPENDIX C1 - DATA SHEETS

GRIT REMOVAL, TRANSFER AND TREATMENT EQUIPMENT

PROJECT TITLE (P) / DOCUMENT REFERENCE (P)
PROJECT NUMBER (P) / REVISION (P)
PROJECT LOCATION (P) / DATE (P)
EQUIPMENT SUPPLIER (P/S) / REFERENCE DRAWINGS INCLUDED (Y/N) (P)
TAG NO/ASSET CODE (P)

ISSUE 5JULY 2017

WIMES 2.02Page 1

* - Indicates Purchaser’s default requirement

2.0 GENERAL

2.3General

1 / Typeof Equipment Selected (P/S)
Grit Removal Equipment ()
Cross-flow separator
Vortex separator (VS)
Non-powered VS
Grit Transfer Equipment ()
Solids handling pump unit
Air lift pump
Ram pump unit
Grit Treatment Equipment ()
Screw classifier
Reciprocating rake classifier
Washer/de-waterer(vortex type)
Package Grit Plant ()

3.0 OPERATING ENVIRONMENT(S) AND SITE DETAILS

1 / Operating Environment(s) (P)
Site/Equipment Location ()
Inland
Coastal
Inside
Outside
Other (specify)
Hazardous Area Classification
Zone (1 or 2 or N/A)
Gas Group
Temperature class
EMC Environment ()
1st environment – C1
1st environment – C2
2nd environment – C3
2 / Special Environmental Hazards (P)
3 / References For Further Information (P)

4.0 PROCESS INFORMATION

1 / Influent Source and Feed Arrangements () (P)
Rural/urban
Industrial/domestic split / % / %
Pumped/gravity flow / % / %
2 / Influent Screening (P)
Screened influent (Y/N)
Aperture type/dimensions (e.g.hole/6mm in 2D)
3 / Waste Water Flow Rates (l/s) (P)
Minimum
Design
Maximum
3 / Frequency (per Year) and Duration (hrs) of Maximum Flow Events (P)
4 / Unusual Influent Properties (P)
5 / Influent Grit/Silt Levels (P)
High grit levels (Y/N)
High silt levels (Y/N)

5.0 PERFORMANCE SPECIFICATION

5.1 General

1 / Service Life (years) (P)
2 / Mode of Operation () (P)
Duty
Duty/assist
Duty/standby
2 / Utilisation (% or hrs/day) (P)
3 / Ambient Air Temp/RH (10 to 40°C/< 95%*) (P)

5.2 Process Performance

5.2.1 Grit Removal Equipment

5.2.1.1 Cross Flow Separators and Vortex Separators (If Required/Provided)

1 / Flow Capacity (l/s) (P/S)
2 / Separation Efficiency (P)
Minimum (95 %*)
Flow rate (l/s)
2 / Grit Characteristics (P)
Minimum size(0.2 mm*)
Specific gravity (2.65”)
2 / Flow Range over which Specified Efficiency can be Maintained (l/s) (S)
2 / Expected Efficiencies at Minimum/Maximum Flows for Treatment (%) (S) / Min / Max

5.2.2 Grit Transfer Equipment

5.2.2.1 Solids Handling Pump Units (IfRequired/Provided)

1 / Pump Capacity, Head, Efficiency and Power Input at the GP (S)
Capacity (l/s)
Total generated head (m)
Efficiency (%)
Power input (kW)
3 / Maximum Diameter of Solid Sphere Required/Able to be Passed by the Pump (mm)
Required (P)
Able (S)
4 / Maximum Pump Unit Vibration (4.5 mm/s*) (P)

5.2.2.2 Air Lift Pumps (If Required/Provided)

1 / Blower Volumetric Performance at Duty Point (S)
Differential pressure (bar)
Flow rate (l/s)
1 / Blower Power Input at Duty Point (kW) (S)
2 / Air Lift Pump Dip Ratio at Duty Point (kW) (S)
3 / Maximum Diameter of Solid Sphere Required/Able to be Passed by the Air Lift Pump Delivery Pipe (mm)
Required (P)
Able (S)
4 / Maximum Air Blower Vibration (4.5 mm/s*) (P)

5.2.3 Grit Treatment Equipment

5.2.3.1 All Equipment

1 / Flow Capacity (l/s) (P/S)

5.2.3.2 Washer/De-waterers (IfRequired/Provided)

1 / Maximum Water Content of Grit (%)
Allowable (P)
Expected (S)
1 / Maximum Faecal Organic Content of Grit (%)
Allowable (P)
Expected (S)

5.3 Noise

1 / Maximum Noise Levels (dB (A) at 1 m)
Allowable (80*) (P)
Expected (S)
2 / Acoustic Hoods/Cladding Required (Y/N) (S)
3 / Additional Noise Requirements (P)

5.4 Life Cycle Costs

5.4.1 Energy Consumption

1 / Energy Consumption
(kWh/hr) (S)

5.4.2 Washwater Consumption

1 / Washwater Consumption(l/hour) (S)

5.4.3 Service Lives and Costs of Components

1 / Expected Service Lives (P/S)
Component (Specify) / Life (x103 hrs)
2 / Costs of Components (£)/Time Required to Replace Components (hrs) (S)
Component (specify) / Cost / Time

6.0 DESIGN SPECIFICATION

6.1 General

6.1.2 Weights and Lifting Arrangements

1 / Equipment Weight(wet and dry) (kg) (S)
1 / Heaviest maintenance lift (kg) (S)
1 / Heaviest erection lift(kg) (S)

6.1.5 Support Structures

2 / Materials (P/S)

6.1.6 Drive Systems

6.1.6.2 Motors/Gearboxes (If Required/Provided)

Refer to Appendix C2.

6.1.6.3 Hydraulic Drive Systems (IfRequired/Provided)

1 / Hydraulic Drive to Operate (P/S)
2 / Rating (S)
Motor rating (kW)
Maximum operating pressure (bar)
3 / Hydraulic Power Pack (P/S)
b / Control panel spec. (WIMES 3.04*)
c / Motor specification (WIMES 3.03*)
d / Coating specification (WIMES 4.01*)
5 / Hydraulic System (P/S)
a / Oil reservoir capacity (l)
b / Maximum oil pump delivery (l/min)
7 / Further Measures Required to Reduce Impacts of Oil Spillage (P)
8 / Rigid Pipework Type () (P/S)
Seamless
Fully welded
8 / Rigid Pipework Material () (P/S)
Stainless steel
Carbon steel
10 / Type of Hydraulic Oil (P/S)

6.1.7 Bearings and Lubrication

6.1.7.2 Rolling Element Bearings

3 / Requirements for Split Type Bearings (P)

6.1.7.3 Lubrication

1 / Bearing Lubrication Philosophy () (P/S)
Sealed for life
Manual re-greasing
Automatic re-greasing
5 / Minimum Capacity/Life of Auto Grease Dispensers (cc/mths) (P/S)

6.1.9 Information Plate

1 / Additional Information Reqd on Plate (P)
2 / Duplicate Plate Required (Y/N) (P)
2 / Location of Duplicate Plate (P)

6.1.11 Lagging and Trace Heating (If Required)

2 / Frost Protection Afforded Down to: (-10°C*) (P)
3 / Reference for Particular Specification (P)

6.1.12 Control Panel and Associated Electrical Installation

1 / Control Panel Required/Provided (Y/N) (P/S)
2 / Control Panel Specification () (P)
WIMES 3.04*
Supplier’s standard
Purchaser’s standard

6.1.14 Theft Prevention

1 / Painting of Stainless Steel Components Required (Y/N) (P)

6.1.15 O & M Manuals

1 / Reference for Particular Specification (P)

6.2 Grit Removal Equipment

6.2.1 Cross Flow Grit Separators (IfRequired/Provided)

6.2.1.1 General

2 / Equipment Designation or Model No. (S)

6.2.1.2 Influent Guide Vanes

1 / Influent Guide Vane Material (P/S)
5 / Max. Head Loss Across Guide Vanes (mm) (P)

6.2.1.3 Outlet Weir

2 / Adjustable Weir Plate Required/Provided (Y/N) (P/S)

6.2.1.4 Grit Scraper Assembly

2b / Number of Scraper Arms (P/S)
2b / Adjustable Tie Rods Required/Provided (Y/N) (P/S)
2c / Plastic Wear Plates Required/Provided (Y/N) (P/S)
3 / Speed (at Tank Periphery) (m/min) (S)

6.2.1.5 Drive System

1 / Configuration of Drive System () (P/S)
Option a) reqd./provided
Option b) reqd./provided
2 / Mechanical Overload Protection System Reqd./Provided (Y/N) (P/S)

6.2.1.7 Metal Support Bridge

General

1 / Bridge Material () (P/S)
Mild steel*
(specify grade)
Stainless steel
(specify grade)
Other (specify)
1 / Method of Corrosion Protection () (P/S)
Galvanising*
Paint/polymeric coatings
3 / Bridge Loads (P)
a / Via walkway flooring (kN/m2)

Walkway

2 / Minimum Width Between Guard-Rails (P)
750 mm*
Other (specify)
3 / Type of Walkway Flooring () (P)
a / Steel open bar grating
b / GRP open bar flooring
9 / Method(s) of Edge Protection () (P)
Toe-plates
Infill panels (1/2 height)
Infill panels (full height)

Guard-Rails

2 / Reference for Purchaser’s Particular Specification (P)

Access onto the Bridge

1 / Party Responsible for Providing Means of Access onto Bridge () (P)
Bridge Supplier
Other (specify)

6.2.1.8 Grit Transfer

General

1 / Method of Grit Transfer () (P/S)
Solids handling pump unit
Air lift pump
Ram pump unit

6.2.2 Powered Vortex Separators (IfRequired/Provided)

6.2.2.1 General

1e / Grit Backwashing System Required/Provided (Y/N) (P/S)
2 / Equipment Designation or Model No. (S)

6.2.2.2 Grit Separation Tank

2 / Tank Material (P/S)

6.2.2.3 Grit Separation Device

1b / Method of Attaching Impeller/Paddle to Drive Tube () (P/S)
Key
Conical taper
Other (specify)
2 / Impeller/Paddle Material (P/S)
6 / Impeller/Paddle Speed (rpm) (S)

6.2.2.6 Metal Support Bridge

General

Walkway

1 / Minimum Width Between Guard-Rails (P)
750 mm*
Other (specify)
3 / Type of Walkway Flooring () (P)
a / Steel open bar grating
c / GRP open bar flooring
9 / Method(s) of Edge Protection () (P)
Toe-plates
Infill panels (1/2 height)
Infill panels (full height)

Guard-Rails

1 / Reference for Purchaser’s Particular Specification (P)

Access onto the Bridge

1 / Party Responsible for Providing Means of Access onto Bridge () (P)
Bridge Supplier
Other (specify)

6.2.2.7 Grit Backwashing System (IfRequired/Provided)

1 / Type of Backwashing System Required/Provided (P)
Water/Air

Water Backwashing Systems (IfRequired/Provided)

1 / Washwater Availability/ Requirements(P/S)
Pressure and Flow Rate
Supply Pressure (bar)
Flow rate (l/min)
Type ()
Final effluent
Screened effluent
Potable water
Filtration Level (Microns)
2 / Valve Type () (P/S)
Full bore, ¼ turn, actuated*
Solenoid

6.2.2.8 Grit Transfer

General

1 / Method of Grit Transfer () (P/S)
Solids handling pump unit
Air lift pump
Ram pump unit

6.2.3 Non-Powered Vortex Separators (IfRequired/Provided)

6.2.3.1 General

1b / Grit Backwashing System Required/Provided (Y/N) (P/S)
2 / Equipment Designation or Model No. (S)
3 / Separator Configuration () (P/S)
Free-standing
Installed in a wet well

6.2.3.2 Grit Separator

1 / Separator Material(s) (P/S)

6.2.3.3 Grit Backwashing System (IfRequired/Provided)

1 / Type of Backwashing System Required/Provided (P)
Water/Air

Water Backwashing Systems (IfRequired/Provided)

6.2.3.4 Grit Transfer

General

1 / Method of Grit Transfer () (P/S)
Solids handling pump unit
Air lift pump
Ram pump unit

6.3 Grit Transfer Equipment

6.3.1 Solids Handling Pump Units(IfRequired/Provided)

6.3.1.1 General

1 / Equipment Designation or Model No. (S)
2 / Maximum Operating Speed (rpm)
Allowable (1500*) (P)
Design (S)

6.3.1.2 Orientation and Support Structure

1 / Orientation () (P/S)
Horizontal
Vertical
2 / Support Structure Material (S)

6.3.1.3 Casing

2 / Casing Material (P/S)
5 / Flange Type (PN 16*) (P/S)
6 / Casing Wear Rings (P/S)
Required/Provided (Y/N)
6 / Fixing Method (P/S)
6 / Material(s) (P/S)

6.3.1.4 Impeller

1 / Impeller Type () (P/S)
Closed
Semi-open
Open
Vortex
Spiral vane
Other (specify)
2 / Impeller Dimensions (mm) (S)
Diameter fitted
Min. diameter
Max. diameter
3 / Impeller Material (P/S)
4 / Method of Securing Impeller to Pump Shaft () (P/S)
Key
Bolt
Conical taper
Other (specify)
6 / Impeller Wear Rings (P/S)
Required/Provided (Y/N)
6 / Fixing Method (P/S)
6 / Material(s) (P/S)

6.3.1.5 Shaft

1 / Shaft Material (S)

6.3.1.6 Seals

1 / Seal Type (P/S)
1 / Seal Manufacturer (P/S)
2 / Seal Flushing/Cooling Required/Provided (Y/N) (P/S)
2 / Flushing WaterAvailability/ Requirements(P/S)
Pressure and Flow Rate
Supply Pressure (bar)
Flow rate (l/min)
Type ()
Final effluent
Screened effluent
Potable water
Filtration Level (Microns)

6.3.1.7 Shaft Coupling (IfRequired/Provided)

1 / Coupling Type (Spacer for Mechanical Seals*) (S)
1 / Coupling Manufacturer (S)
2 / Component Materials (S)
Hub
Spacer
Flexible component
Guard

6.3.2 Air-Lift Pumps (If Required/Provided)

6.3.2.1 General

1 / Equipment Designation or Model No. (S)

6.3.2.3 Air Wash/Air Lift Pipework

1 / Type of Valve () (P/S)
Full Bore, actuated
Solenoid
1 / Mode of Operation of Valve () (P/S)
Manual
Auto

6.4 Grit Treatment Equipment

6.4.1 Screw Classifiers (IfRequired/Provided)

6.4.1.1 General

1 / Configuration (Standalone with Pumped Feed*) (P)
2 / Material(s) (P/S)
3 / Equipment Designation or Model No. (S)

6.4.1.2 Grit Settlement Tank

1 / Flange Type(PN16*) (P/S)
4 / Odour Control Connection Required (Y/N) (P)

6.4.1.3 Screw Conveyor

2 / Type of Conveyor () (P/S)
Shafted screw
Shaftless spiral
3 / Screw/Spiral Material (P/S)
3 / Trough/Tube Material (P/S)
4 / Wear Plates/Liner (Shaftless Spirals)
Required/Provided (Y/N) (P/S)
4 / Material (P/S)
5 / Method of Facilitating Bearing Maintenance () (P/S)
Pivot mechanism for screw
Maintenance possible without disturbing screw

6.4.1.5 External Washwater Systems (IfRequired/Provided)

1 / Washwater Availability/ Requirements(P/S)
Pressure and Flow Rate
Supply Pressure (bar)
Flow rate (l/min)
Type ()
Final effluent
Screened effluent
Potable water
Filtration Level (Microns)
2 / Spray Bar/Nozzle Material(s) (P/S)
4 / Valve Type () (P/S)
Full bore, ¼ turn, actuated*
Solenoid

6.4.1.6 ‘Mini’ Vortex Separators/Hydrocyclones (IfRequired/Provided)

1 / Required/Provided (Y/N) (P/S)
2 / Separator Material(s) (P/S)

6.4.2 Reciprocating Rake Classifiers (IfRequired/Provided)

6.4.2.1 General

1 / Equipment Designation or Model No. (S)

6.4.2.3 Rake Assembly

1 / Angle of Inclination of Channel (S)

6.4.2.4 Drive System

General

1 / Type of Drive System () (P/S)
Gearmotor
Hydraulic cylinder

Gearmotor Driven Rake Assemblies

3 / Proximity Switch for ‘Parking’ Required (Y/N) (P)

6.4.2.6 Organics Return System (IfRequired/Provided)

1 / Required/Provided (Y/N) (P/S)
3 / Type of System () (P/S)

6.4.3 Washer/De-waterers (Vortex Type) (IfRequired/Provided)

6.4.3.1 General

1 / Configuration (Standalone with Pumped Feed*) (P)
3 / Material(s) (P/S)
4 / Equipment Designation or Model No. (S)

6.4.3.3 Grit Stirrer

2 / Stirrer Material (P/S)
3 / Stirrer Speed (rpm) (S)

6.4.3.4 Organics Return System

2 / Washwater Availability/ Requirements(P/S)
Pressure and Flow Rate
Supply Pressure (bar)
Flow rate (l/min)
Type ()
Final effluent
Screened effluent
Potable water
Filtration Level (Microns)
3 / Valve Type () (P/S)
Full bore, ¼ turn, actuated*
Solenoid

6.4.3.5 Screw Conveyor

6.5 Package Grit Plant

6.5.1 General

1d / Grit Pump Required/Provided (P/S)

6.5.2 Tank

1 / Tank Material () (P/S)
Stainlesssteel number 1.4307* (AISI304L)
Stainless steelnumber 1.4404 (AISI316L)
Other (specify)
4 / Flange Type(PN16*) (P/S)

6.5.3 Horizontal Screw Conveyor

6.5.4 Air Sparge System

3 / Type of Valve () (P/S)
Full Bore, actuated
Solenoid
3 / Mode of Operation of Valve () (P/S)
Manual
Auto

6.5.5 Inclined Screw Conveyor

6.5.5.1 General

6.5.5.2 Organics Return System (If Specified/Supplied)

2 / Washwater Availability/ Requirements(P/S)
Pressure and Flow Rate
Supply Pressure (bar)
Flow rate (l/min)
Type ()
Final effluent
Screened effluent
Potable water
Filtration Level (Microns)
3 / Spray Bar/Nozzle Material(s) (P/S)
5 / Valve Type () (P/S)
Full bore, ¼ turn, actuated*
Solenoid

7.0 INSPECTION AND TESTING

7.1 Factory Acceptance Testing

7.1.1 General

1 / Reference for Particular Specification (P)

7.2 Site Acceptance Testing

1 / Reference for Particular Specification (P)

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APPENDIX C2 – DRIVE SYSTEM DATA SHEET

(TO BE COMPLETED FOR EACH MOTOR/GEARBOX ASSEMBLY)

ISSUE 5JULY 2017

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Drive No.:

3 / Driven Equipment (P/S)
4 / Type of Drive () (P/S)
Fixed
Dual speed
Variable
5 / Method of Power Transmission from Drive System to Driven Assembly() (P/S)
Close coupled
Chain
Belt
Other (specify)
6 / Method of Mechanical Overload Protection for Drive System () (P/S)
Current monitoring
Torque limiting coupling
Other (specify)
7 / Local Inching Facility () (P)
Required (Y/N)
Forward
Reverse
9f / IEC Input Design Required (Y/N) (P)
10 / Gearbox Specification (S)
Manufacturer
Type (e.g. helical)
Number of stages
Final Drive ratio
Service factor
Efficiency (%)
IP rating

Drive No.:

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APPENDIX D – SUPPLIER’S SUPPLEMENTARY DATA SHEET INFORMATION

Clause / Supplementary Information

ISSUE 5JULY 2017