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APPENDIX C – DATA SHEETS
ROTATING SETTLEMENT TANK SCRAPERS
PROJECT NUMBER (P) / DOCUMENT REFERENCE (P)PROJECT TITLE (P) / REVISION (P)
PROJECT LOCATION (P) / DATE (P)
SUPPLIER (S) / REFERENCE DRAWINGS INCLUDED (Y/N) (P)
TAG NO/ASSET CODE (P)
ISSUE 5NOVEMBER 2016
WIMES 2.01Page 1
* - indicates Purchaser’s default requirements
2.0 GENERAL
2.3Type of Scraper Required
1 / Type of Scraper Required () (P)Half-bridge
Three-quarter bridge
Full bridge
3.0 OPERATING ENVIRONMENT SITE DETAILS
1 / Operating Environment (P)Site/ScraperLocation (P)
Inland/coastal
Inside/outside
Prevailing wind direction
Hazardous Area Classification (P)
Gas zone (1, 2 or none)
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 INFLUENT PROPERTIES AND FLOW RATE
1 / Type of Influent (P)1 / Unusual Influent Properties (P)
2 / Influent Flow Rates (l/s) (P)
Minimum
Maximum
5.0 PERFORMANCE SPECIFICATION
5.1 General
1 / Service Life (20 years*) (P)2 / Utilisation (hrs/day or %) (P)
4 / Ambient Air Temp/RH
(-10°C-+40°C/< 95%*) (P)
5.2 Life Cycle Costs
5.2.1 Power Input
1 / Energy Consumption ((kWhr) (S)5.2.2 Service Lives and Costs of Components
1 / Expected Service Lives of Main Wearing Components (x 103 hrs) (P/S)Component (Specify) (P) / Life (S)
2 / Costs of Components (£)/Time Required to Replace Components (hrs) (S)
Component (Specify)(P) / Cost / Time
6.0 DESIGN SPECIFICATION
6.1 General
6.1.1 General
1 / Reference for TankGA Drawing (P)4 / Tolerance and Surface Finish of Running Track (Existing Tanks) (P)
Maximum deviation from level shown on GA (mm)
Maximum step height (mm)
Surface finish
5 / Direction of Rotation – Plan View () (P)
Clockwise
Anti-clockwise
6.1.2 Weights and Lifting Arrangements
1 / Weights of Major Components (S)Component(Specify) / Weight (kg)
1 / Heaviest maintenance lift(S)
1 / Heaviest erection lift (S)
6.1.7 Bearings and Lubrication
6a) / Lubrication Pipework Material (P/S)7 / Method of Bearing Re-greasing () (P/S)
Manual
Autogrease dispensers
Centralised pumped system
8 / Minimum Capacity/Life of Grease Dispensers (cc/months) (P/S)
6.1.9 O & M Manuals
1 / Reference for Purchaser’s Particular Specification (P)6.2 Bridge Construction
6.2.1 General
1 / Bridge Material (Mild Steel*)(Specify Grade) (P)1 / Method of Corrosion Protection(Galvanising*)(P)
3 / Bridge Loadings (P)
c) / Via walkway flooring (kN)
e) / Sludge Loading on Blades (kN/m2) (refer to note below)
e) 0.6 kN/m2 for FSTs/Humus Tanks or 2.0 kN/m2 for PSTs/Storm Tanks*
6.2.2 Walkway
1 / Full Bridge Scrapers to only Incorporate a Walkway on one Half of the Bridge (Y*/N) (P)2 / Minimum Width Between Guard-Rails (750mm*)(P)
4 / Type of Walkway Flooring () (P)
a) / Steel or Al open bar grating (depending on bridge material)
b) / GRP open bar flooring
9 / Method(s) of Edge Protection () (P)
Toeboards
Infill panels (1/2 height)
Infill panels (full height)
6.2.3 Guard-Rails
2 / Reference for Purchaser’s Particular Specification (P)6.2.4 Access onto Bridge
2 / Party Responsible for Providing Means of Access onto Bridge () (P)Bridge Supplier
Other (specify)
4 / Ladder Requirements (Where Appropriate) (P)
a) / Type of Ladder(s)() (P)
Permanently fixed
Extensible - retractable
Extensible - hinged
Detachable
b) / Reference for Purchaser’s Particular Specification (P)
6.2.5 Drive End Davit Socket(s) (Where Required)
1 / Required (Y/N) (P)2 / Reference for Purchaser’s Particular Specification (P)
6.2.6 Facilities to Allow Access to the Tank Floor/Effluent Channel from the Bridge (Where Required)
1 / Required (Y/N) (P)1 / For Access to: () (P)
Tanks floor
Effluent channel
2 / Reference for Purchaser’s Particular Specification (P)
6.3 Central Tripod
1 / Tripod Material () (P/S)Structural steel
(specify grade)
Stainless steel
(specify grade)
6.4 Central Bearings
1 / Slewing Ring Bearing Manufacturer (S)6.5 End-Carriage(s), Wheels and Tyres
3 / Distance Between Wheels (1200 mm*) (P)4 / Type of Fixings (P/S)
5 / Wheel Material (P/S)
5 / Axle Material (P/S)
6 / Tyre Material (Polyurethane*) (P/S)
6 / Tyre Dimensions (mm) (S)
Diameter
Width
12 / Heater Required (Y/N) (P)
6.6 Scraper Drive System(s)
1 / Full Bridge Scrapers to Incorporate a Dedicated Drive for each End-Carriage (Y*/N) (P)3 / Method of Power Transmission from Drive to Wheels(Direct Drive*) (P/S)
4 / Drive System to Allow Load Monitoring Eqpt to be Fitted to Bridge (Y/N) (P/S)
5 / Method of Mechanical Overload Protection () (P/S)
Current monitoring
Torque limiting coupling
Other (specify)
7 / Gearbox Specification (P/S)
Type & (no. of stages)
Manufacturer
Service factor
Service Life
Final drive ratio
11 / Position of Motor/Gearbox () (P/S)
Within tank wall
Outside tank wall
Above tank wall
6.7 Diffuser Drum
3 / Drum Material (P/S)6 / Scum Removal Facilities () (P/S)
None
Cut-outs with scoops
Cut-outs with sluice plates
7 / Energy Dissipating Inlet Required (Y/N) (P)
7 / Reference for Purchaser’s Particular Specification (P)
8 / McKinney Baffle Required (Y/N)
8 / Reference for Purchaser’s Particular Specification (P)
6.8 Scraper Blade Assembly and Support Mechanism
2 / Scraper Blade Support Mechanism (S)4 / Scraper Blade Width (P/S)
4 / Scraper Blade Hardness (80 Shore A*) (P/S)
6 / Scraper Blades to Overlap by a Minimum of 100 mm (Y*/N) (P)
8 / Scraper Blades to be Maintainable Without Tank Draining (Y/N) (P)
9 / Scraper Blades to be Provided with a System to Indicate Excessive Blade Wear (Y/N) (P)
6.9 Scum Collection and Removal
1 / Scum Collection Blade Required (Y*/N) (P)1 / Full Bridge Scrapers to Incorporate a Bladeon Both Halves of the Bridge (Y/N) (P)
2 / Blade Material (P/S)
6 / Automatic Scum Removal System (P)
Required (Y/N)
6 / Type of System Required () (P)
Beach and blade
Submerging scum box
Other (specify)
7 / Nominal Bore of Discharge Pipe (mm) (P)
7 / Level of Discharge Pipe Invert (P)
8 / Scum Concentrating Device Required (Y/N) (P)
6.10 Scum Board and Weir Plates and Tank Wall Baffles (Where Required)
1 / Pre-CurvedScum Board Required (Y*/N) (P)1 / Weir Plates Required (Y*/N) (P)
6.10.1 Scum Board
1 / Scum Board Material (P/S)4 / Removable Scum Boards (P)
Required (Y/N)
Number required
6.10.2 Weir Plates
1 / Weir Plate Material (P/S)3 / Profile() (P/S)
V - notched
Castellated
Plain
6.10.3 Side Wall Baffle (Where Required)
1 / Side Wall Baffle Required (Y/N)1 / Reference for Purchaser’s Particular Specification (P)
6.11 Automatic Effluent Channel and Weir Cleaning System (Where Required)
6.11.1 General
1 / Effluent Channel and Weir Cleaning System Required (Y*/N) (P)1 / Full Bridge Scrapers to Incorporate an AECWCS Blade on Both Halves of the Bridge (Y/N) (P)
2 / Type of System Required () (P)
Non-powered brushes
Water sprays/jets
Other (specify)
6.12 Information and Identification Plates
2 / Information Plate –Additional Details Required (P)3 / Duplicate Information Plate (P)
Required (Y/N)
3 / Fixing position/location
4 / Identification Plate – Scraper Number (P)
5 / Further Information (P)
6.13 Electrical Equipment
6.13.1 General
1c) / Bridge Mounted ControlPanel Required (P)2 / Auxiliary Drives to be Provided with an Independent Means of Isolation (Y/N)
6.13.2 Central Slip-Ring Collector Assembly
1 / Number of Slip-Rings Required (Indicate Spares Requirements in Brackets) (P)Power
Earthing
Control
Monitoring
1 / Gold Plated Contacts Required () (P)
Control circuits
Monitoring Circuits
3 / Collector Casing – Type of Cable Entry () (P)
Top
Bottom
6 / Method of Connecting Incoming Cables to Slip-Ring Collector Assembly () (P)
Via junction box*
Direct
6.13.3Bridge Wiring Installation
2 / Cable Management System Material (P/S)3 / Cable Installation () (P)
Above walkway
Below walkway
6.13.4 Bridge Mounted Control Panel (Where Required)
3 / Mounting Position of Control Panel () (P)On/above end-carriage
On/above slip-ring collector assembly
Other (specify)
6.14 Control and Monitoring
1a) / Controls () (P)iii) / Location of Additional e-stop pushbutton
iv) / Effluent channel e-stop pushbutton
v) / End-carriage mounted stop pushbutton and trip plate
vi) / Park position switch
Other (specify)
1b) / Monitoring Functions () (P)
ii) / Park position detection
iii) / Running track obstacle detection
iv) / Sludge blanket detection
Other (specify)
2 / Mounting Positions for Additional Process Instruments Required (Y/N)
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7.0 TESTING AND INSPECTION
7.1 General (Clause 1)
Type of Test (P) / Test Location (P) / Witnessing Requirements (P) / Test Standard/Specifications (P)Works / Site / (Y/N) / Notice (Days)
Visual Inspection
(Clause 7.2.1.1) /
Load testing
(Clause 7.2.2.1)
Electrical tests
(Clause 7.1.2) / / / WIMES 3.04
Site acceptance tests(Section 7.3) /
Other (specify)
7.3 Site Acceptance Testing
1 / Reference for Purchaser’s Particular Specification (P)ISSUE 5NOVEMBER 2016
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APPENDIX D – SUPPLIER’S SUPPLEMENTARY DATA SHEET INFORMATION
Clause / Supplementary InformationISSUE 5NOVEMBER 2016