Raw Water Intake Screens

WIMES 5.01Page 1

APPENDIX C1 - DATA SHEETS

RAW WATER INTAKE SCREENS

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

ISSUE 3JULY 2017

WIMES 5.01Page 1

* - Indicates Purchaser’s default requirement

2.0 GENERAL

2.3 General

1 / Screen Type () (P/S)
Grab screen
Bandscreen
Drum screen
Disc screen
Hand raked bar screen
CC raked bar screen
Straight bar screen (front raked)
Straight bar screen (back raked)
Slot screen
Passive wedge wire cylinder screen
Spillway screen
Wedge wire flat panel screen
Other (specify)
2 / Screen to be Eel/Fish Friendly (Y/N) (P)
3 / No. of Identical Screens Reqd/Provided (P/S)

3.0 OPERATING ENVIRONMENTSITE DETAILS

1 / Operating Environment (P)
Site/Screen Location ()
Inland
Coastal
Inside
Outside
Other (specify)
EMC Environment ()
1st environment – C1
1st environment – C2
2nd environment – C3
2 / Position in Process Chain & Details of Upstream and Downstream Processes (P)
3 / Special Environmental Hazards (P)
4 / References For Further Information (P)

4.0 PROCESS INFORMATION

1a / Influent Source () (P)
Rural
Urban
Other (specify)
1a / River Classification/Details (P)
1b / Flow Rate (l/s) (P)
Minimum
Maximum
1b / Approach Velocity (m/s) (P)
Minimum
Maximum
1c / Fish/Eel Friendly Screen Data (P)
Influent flow direction
Maximum influent flow velocity (m/s)
1d / Average Screenings Loading (P)
1e / Screenings Peaking Factor (P)
2 / Unusual Influent/Screenings Properties (P)
3 / Water Levels (m) (P/S)
Upstream (max)
Downstream (min/max)

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 General

2 / Maximum Head Differential (mm) (P/S)

5.2.2 Hydraulic Performance

1 / Tank/Channel Dimensions (m) (P)
Width/depth
2 / Blinding Factor (P/S)
3 / Influent Velocity Through ScreenCurtain Apertures at Maximum Flow Rate (m/s) (P/S)
Maximum Allowable(1.2m/s*) (P)
Design (S)
4 / Working Head Loss at Maximum Flow Rate (mm) (P/S)
Maximum Allowable (P)
Design (S)

5.3 Noise

1 / Noise Levels (dB (A) at 1 m) (P/S)
Maximum (80*) (P)
Expected (S)
2 / 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/hr) (S)

5.4.3 Service Lives and Costs of Components

1 / Expected Service Livesof Components
Component (specify) (P) / Life (x 103 hrs) (S)
2 / Costs of Components (£)/Time Required to Replace Components (hrs) (S)
Component (specify) / Cost / Time

6.0 DESIGN SPECIFICATION

6.1 General (All Screen Types)

6.1.2 Weights and Lifting Arrangements

1 / Weights of Major Components (S)
Component (specify) / Weight (kg)
1 / Heaviest maintenance lift (kg)(S)
1 / Heaviest erection lift (kg) (S)

6.1.5 Screen Curtain Support Structure

2 / Material(s) (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 Drives (If Required/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)

6.1.8 Screen Curtain Cleaning

6.1.8.1 General

2 / Method(s) of Screen Curtain Cleaning Required/Provided () (P/S)
Spray bar system
Deluge trough
Other (specify)

6.1.8.2 Spray Bar System (If Required/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)
5 / Spray Bar/Nozzle Material(s) (P/S)
6 / Valve Type () (P/S)
Full bore, ¼ turn, actuated
Solenoid

6.1.8.3 Deluge Trough (If Required/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)
4 / Trough and Pipework Material(s) (P/S)
5 / Trough Cleaning System Required. (Y/N) (P)
6 / Valve Type () (P/S)
Full bore, ¼ turn, actuated
Solenoid

6.1.10 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

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

6.1.13 Maintainability

5 / Mesh Viewing Panels Required (Y/N) (P)

6.1.14 Theft Prevention

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

6.1.15 Installation Accessories

1 / Toe Plate Required (Y/N) (P)

6.1.16O & M Manuals

1 / Reference for Particular Specification (P)

6.2 Grab Screens

6.2.1 General

2 / Angle of Installation (P/S)
Maximum allowable (P)
Design (S)

6.2.2 Screen Curtain

1 / Bar Material (P/S)
2 / Aperture Size (mm) (P)
5 / Bar Cross-SectionalShape() (P/S)
Square
Rectangular
Tapered
Other (Specify)

6.2.3 Screen Curtain Cleaning

6.2.3.1 General

1 / Type of Screen Curtain Cleaning System Required/Provided() (P/S)
Traversing grab assembly with opening/closing jaws
Rake assembly

6.2.3.2 Systems Inc. Traversing Grab Assemblies with Opening/Closing Jaws (If Required/Provided)

Grab Assemblies

1 / Number of Assemblies Required/Provided (P/S)
3 / Grab Assembly Material(s) (P/S)

Overhead Monorail System

2 / Monorail Material (P/S)
2 / Type of Monorail Construction (P/S)
3 / Support Structure Material (P/S)
3 / Protective Coatings (P/S)

Spray Bar System (If Required/Provided)

1 / Spray Bar Required/Provided (Y/N) (P/S)

6.2.3.2 Systems Incorporating a Rake Assembly (IfRequired/Provided)

General

2 / Base Unit to be Mounted on a Moving Carriage (Y/N) (P)

Rake Assembly

1 / Rake Assembly Material(s) (P/S)

6.2.4 Screenings Discharge

1 / Screenings Discharge Height (m) (P/S)

6.3 Bandscreens

6.3.1 General

1 / Bandscreen Type () (P/S)
In-to-out (single entry)
Out-to-in (double entry)

6.3.2 Screen Curtain

1 / Screen Element Material (P/S)
2 / Aperture Size (mm) (P)

6.3.3 Screen Curtain Drive System

2 / Drive Chain Type () (P/S)
Conveyor chain
Roller chain
3 / Chain Material (P/S)
4 / Drive Chain Breaking Load (kN) (S)
5 / Maximum Linear Speed of Screen Curtain (m/s) (P)

6.3.4 Screen Curtain Cleaning

6.3.4.1 General

4 / Hopper/Trough Material (Stainless Steel Number 1.4307 (AISI 304L)*) (P/S)

6.3.5 Screenings Discharge

1 / Screenings Discharge Height (m) (P/S)

6.3.6 Screenings Transfer

1 / Screenings to be Transferred to () (P/S)
The water course
Screenings treatment equipment
A skip
2 / Principal Design Features (P/S)
Width at base (mm)
Width at top (mm)
Depth (mm)
Length (m)
Fall (° from horizontal)
2 / Cross-Sectional Profile () (P/S)
Trapezoidal
U-section
Other (specify)
3 / Maximum Combined Screenings, Washwater and Launder Water Flow Rate (l/s) (P/S)
5 / Trough Material (Stainless Steel Number 1.4307 (AISI 304L)*) (P/S)
6 / Stub Pipe Material (P/S)
6 / Stub Pipe NB (mm) (P/S)
7 / Type of Launder Water () (P/S)
Screened influent
Potable water
7 / Pump Hydraulic Performance (P/S)
Head (m)
Flow (l/s)
7 / Standby Pump Required(Y*/N) (P/S)
8a / High Water Level Sensor Required/Provided (Y*/N) (P/S)
8b / Overflow Required/ Provided (Y*/N) (P/S)

6.3.7 Fish Recovery and Return System (FRRS) (IfRequired)

6.3.7.1 General

1 / FRRS Required (Y/N) (P)
3 / FRRS Discharge Height (m) (P/S)

6.3.7.2 Elevator Buckets

1 / Number of Buckets Required/Provided (P/S)
2 / Principal Design Features (P/S)
Width at base (mm)
Width at top (mm)
Depth (mm)
Length (m)
2 / Cross-Sectional Profile () (P/S)
Trapezoidal
U-section
Other (specify)
4 / Bucket Material (Stainless Steel Number 1.4307 (AISI 304/304L)*) (P/S)

6.3.7.3 Launder Trough

1 / Principal Design Features (P/S)
Width at base (mm)
Width at top (mm)
Depth (mm)
Length (m)
Fall (° from horizontal)
1 / Cross-Sectional Profiel() (P/S)
Trapezoidal
U-section
Other (specify)
2 / Maximum Launder Water Flow Rate (l/s) (P/S)
3 / Trough Material (Stainless Steel Number 1.4307 (AISI 304L)*) (P/S)
5 / Stub Pipe Material (P/S)
5 / Stub Pipe NB (mm) (P/S)
6 / Type of Launder Water () (P/S)
Screened influent
Potable water
6 / Pump Hydraulic Performance (P/S)
Head (m)
Flow (l/s)
6 / Standby Pump Required(Y*/N) (P/S)

6.4 Drum Screens

6.4.1 General

1 / Screen Type () (P/S)
In-to-out (single entry)
In-to-out (double entry)
Out-to-in
2 / Max. Tolerance on Drum Concentricity (+ 3 mm on Radius*) (P/S)
3 / Method of Sealing (P/S)
3 / Seal Material (P/S)

6.4.2 Screen Curtain

2 / Aperture Size (mm) (P)
3 / Panel Material (P/S)
3 / Thickness (mm) (P/S)

6.4.3 Screen Curtain Drive System

3 / Gear Material (P/S)
3 / Pinion Material (P/S)

6.4.4 Screen Curtain Cleaning

6.4.4.1 General

4 / Hopper/Trough Material (Stainless Steel Number 1.4307 (AISI 304L)*) (P/S)

6.4.5 Screenings Discharge

1 / Screenings Discharge Height (m) (P/S)

6.4.6 Screenings Transfer

1 / Screenings to be Transferred to () (P/S)
The water course
Screenings treatment equipment
A skip
2 / Principal Design Features (P/S)
Width at base (mm)
Width at top (mm)
Depth (mm)
Length (m)
Fall (° from horizontal)
2 / Cross-Sectional Profile () (P/S)
Trapezoidal
U-section
Other (specify)
3 / Maximum Combined Screenings, Washwater and Launder Water Flow Rate (l/s) (P/S)
4 / Trough Material (Stainless Steel Number 1.4307 (AISI 304L)*) (P/S)
6 / Stub Pipe Material (P/S)
6 / Stub Pipe NB (mm) (P/S)
7 / Type of Launder Water () (P/S)
Screened influent
Potable water
7 / Pump Hydraulic Performance (P/S)
Head (m)
Flow (l/s)
7 / Standby Pump Required(Y*/N) (P/S)
8a / High Water Level Sensor Required/Provided (Y*/N) (P/S)
8b / Overflow Required/ Provided (Y*/N) (P/S)

6.4.7 Fish Recovery and Return System (FRRS) (If Required)

6.4.7.1 General

1 / FRRS Required (Y/N) (P)
3 / FRRS Discharge Height (m) (P/S)

6.4.7.2 Elevator Buckets

6.4.7.3 Launder Trough

1 / Principal Design Features (P/S)
Width at base (mm)
Width at top (mm)
Depth (mm)
Length (m)
Fall (° from horizontal)
1 / Cross-Sectional Profile () (P/S)
Trapezoidal
U-section
Other (specify)
2 / Maximum Launder Water Flow Rate (l/s) (P/S)
3 / Trough Material (Stainless Steel Number 1.4307 (AISI 304L)*) (P/S)
5 / Stub Pipe Material (P/S)
5 / Stub Pipe NB (mm) (P/S)
6 / Type of Launder Water () (P/S)
Screened influent
Potable water
6 / Pump Hydraulic Performance (P/S)
Head (m)
Flow (l/s)
6 / Standby Pump Required(Y*/N) (P/S)

6.5 Disc Screens

6.5.1 Screen

1 / Shaft Material (P/S)
1 / Disc Material (P/S)
1 / Spacer Material (P/S)
2 / Aperture Size (mm) (P)
4 / Comb Material (P/S)

6.5.2 Screen Drive System

2 / Shaft Speed (rpm) (P/S)
Maximum allowable (P)
Design(S)

6.6 Raked Bar Screens

6.6.1 General

2 / Angle of Installation (P/S)
Maximum allowable (P)
Design (S)

6.6.2 Screen Curtain

1 / Screen Element (Bar) Material (P/S)
2 / Aperture Size (mm) (P)
5 / Bar Cross-SectionalShape() (P/S)
Square
Rectangular
Tapered
Other (Specify)

6.6.3Screen Curtain Cleaning(Mechanically Raked Screens)

6.6.3.1 General

3 / Drive Chain Type () (P/S)
Conveyor chain
Roller chain
3 / Drive Chain Breaking Load (kN) (S)

6.6.3.2 Rakes and Tines

2 / No. of Rakes/Tines (P/S)
3 / Rake Material (P/S)
3 / Tine Material (P/S)

6.6.3.4 Scraper Blade

1 / Method of Returning Scraper Blade to Its Original Position (P/S)
2 / Scraper Blade Material (P/S)

6.6.4 Screenings Discharge

6.6.4.1 General

1 / Screenings Discharge Height (m) (P/S)
2 / Discharge Chute Required (Y/N) (P)

6.6.5 Screenings Transfer

1 / Screenings to be Transferred to () (P/S)
The water course
Screenings treatment equipment
A skip
2 / Principal Design Features (P/S)
Width at base (mm)
Width at top (mm)
Depth (mm)
Length (m)
Fall (° from horizontal)
2 / Cross-Sectional Shape () (P/S)
Trapezoidal
U-section
Other (specify)
3 / Maximum Combined Screenings, Washwater and Launder Water Flow Rate (l/s) (P/S)
4 / Trough Material (Stainless Steel Number 1.4307 (AISI 304L)*) (P/S)
6 / Stub Pipe Material (P/S)
6 / Stub Pipe NB (mm) (P/S)
7 / Type of Launder Water () (P/S)
Screened influent
Potable water
7 / Pump Hydraulic Performance (P/S)
Head (m)
Flow (l/s)
7 / Standby Pump Required(Y*/N) (P/S)
8a / High Water Level Sensor Required/Provided (Y*/N) (P/S)
8b / Overflow Required/ Provided (Y*/N) (P/S)

6.6.6 Additional Clauses for Continuous Chain Raked Bar Screens

6.6.6.2 Screen Curtain Cleaning - Rake and Chain Assembly Drive System

2 / Method of Underwater Guidance of Rake and Chain Assembly (P/S)

6.6.7 Additional Clauses for Straight Bar Screens

6.6.7.2 Screen Curtain Cleaning - Rake and Chain Assembly Drive System

2 / Type of Actuator Reqd/Provided () (P/S)
Hydraulic
Electric
2 / Number of Actuators Required/Provided (P/S)
4 / Type of Limit/Proximity Switches Required/Provided (P/S)

6.7 Slot Screens

6.7.1 General

1 / Angle of Installation (P/S)
Maximum allowable (P)
Design (S)

6.7.2 Screen Curtain

1 / Screen Element Material (P/S)
2 / Aperture Size (mm) (P)
3 / Method of Maintaining Gap () (P/S)
Intermediate spacers
Other (specify)

6.7.3 Screen Curtain Drive System

2 / Drive Chain Type () (P/S)
Conveyor chain
Roller chain
3 / Chain Material (P/S)
4 / Drive Chain Breaking Load (kN) (S)
5 / Method of Underwater Guidance of Drive Chains () (P/S)
Bottom bearing/sprocket
Structural guide rail
Other (specify)

6.7.5 Screenings Discharge

6.7.5.1 General

1 / Screenings Discharge Height (m) (P/S)
2 / Discharge Chute Required (Y/N) (P)

6.7.6 Screenings Transfer

1 / Screenings to be Transferred to () (P/S)
The water course
Screenings treatment equipment
A skip
2 / Principal Design Features (P/S)
Width at base (mm)
Width at top (mm)
Depth (mm)
Length (m)
Fall (° from horizontal)
2 / Cross-Sectional Shape () (P/S)
Trapezoidal
U-section
Other (specify)
3 / Maximum Combined Screenings, Washwater and Launder Water Flow Rate (l/s) (P/S)
4 / Trough Material (Stainless Steel Number 1.4307 (AISI 304L)*) (P/S)
6 / Stub Pipe Material (P/S)
6 / Stub Pipe NB (mm) (P/S)
7 / Type of Launder Water () (P/S)
Screened influent
Potable water
7 / Pump Hydraulic Performance (P/S)
Head (m)
Flow (l/s)
7 / Standby Pump Required(Y*/N) (P/S)
8a / High Water Level Sensor Required/Provided (Y*/N) (P/S)
8b / Overflow Required/ Provided (Y*/N) (P/S)

6.8Static Screens

6.8.1 Passive Wedge Wire Cylinder (PWWC) Screens

6.8.1.2 Screen Curtain

1 / Screen Curtain Material (P/S)
2 / Aperture size (mm) (P/S)
3 / Wedge Wire Dimensions (mm) (S)
Profile wires
Support rods
4 / Screen Curtain Free Area (%) (S)

6.8.1.3Backwash System (If Required/Provided)

1 / Backwash System Required/Provided (Y/N) (P/S)

6.8.2 Spillway Screens

6.8.2.2 Screen

1 / Screen Element Material (P/S)
2 / Aperture size (mm) (P/S)
3 / Wedge Wire Dimensions (mm) (S)
Profile wires
Support rods
4 / Screen Free Area (%) (S)

6.8.2.3 Screenings Discharge

1 / Screenings Discharge Height (m) (P/S)

6.8.3 Wedge Wire Flat Panel Screens

6.8.3.1 General

1 / Direction of Flow Through Screen () (P/S)
Upwards
Downwards
Sideways (weir mounted)

6.8.3.2 Screen

1 / Screen Element Material (P/S)
2 / Aperture size (mm) (P/S)
3 / Wedge Wire Dimensions (mm) (S)
Profile wires
Support rods
4 / Screen Free Area (%) (S)

6.8.3.3 Screen Cleaning System

1 / Rotating Spray Bar Required (Y/N) (P)

7.0 INSPECTION AND TESTING

7.1 Factory Acceptance Testing

1 / Reference for Particular Specification (P)

7.2 Site Acceptance Testing

1 / Reference for Particular Specification (P)

ISSUE 3JULY 2017

WIMES 5.01Page 1

APPENDIX C2 – drive system DATA SHEET

(TO BE COMPLETED FOR EACH MOTOR/GEARBOX ASSEMBLY)

ISSUE 3JULY 2017

WIMES 5.01Page 1

Drive No.:

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

Drive No.:

ISSUE 3JULY 2017

WIMES 5.01Page 1

APPENDIX D – SUPPLIER’S SUPPLEMENTARY DATA SHEET INFORMATION

Clause / Supplementary Information

ISSUE 3JULY 2017