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APPENDIX C – DATA SHEETS
LOW AND HIGH SPEED VERTICAL SHAFT SURFACE AERATORS
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)
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* - Indicates default requirement
2.0 GENERAL
2.3 Type and Number of Aerators Required
1 / Type of Aerator Required (ü) (P)Low speed
High speed
2 / Number of Identical Aerators Required (P)
3.0 OPERATING ENVIRONMENT AND AERATION ZONE DETAILS
1 / Operating Environment (P)Site and Aerator Location
Inland/coastal
Inside/outside
Hazardous Area Classification
Gas zone (1, 2 or none)
Gas group
Temperature class
EMC Environment (ü)
1st environment – C1
1st environment – C2
2nd environment – C3
2 / Aeration Zone Details (P)
Shape (Plan View)
Dimensions
Type of Construction
3 / References for Any Further Information not Transferable via the Data Sheet (P)
4.0 TYPE AND PROPERTIES OF THE WASTE WATER TO BE AERATED
1 / Waste Water Properties (If Known) (P)
MLSS (mg/l)
SVI index
pH
Salinity (mg Cl/l) / Avg. / Max
Temperature (°C) / Min / Max
Presence of abrasive solids (Y/N)
5.0 PERFORMANCE SPECIFICATION
5.1 General
1 / Service Life (yrs) (P)2 / Utilisation (% or hrs/day) (P)
3 / Ambient Air Temp/RH
(-10°C-40°C/< 95%*) (P)
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5.2 Oxygen Transfer Rate
2 / O2 Transfer Rate (kgO2/hr) (P) / Aerator Speed (rpm) (S) / O2 Transfer Effy (kg O2/kWh) (S)Design
Minimum
Maximum
3 / Design Rotor Immersion Depth (mm) (S)
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5.3 Noise, Vibration and Spray Diameter
1 / Noise Levels (dB(A) at 1 m) (P/S)Maximum allowable (P)
Expected (S)
3 / Spray Diameter (m) (P/S)
Maximum allowable (P)
Expected (S)
5.4 Life Cycle Costs
5.4.1 Motor Power Input
1 / Motor Power Input (kW) (S)Design speed
Minimum speed
Maximum speed
5.4.2 Service Lives and Costs of Components
1 / Expected Service Lives of Components (P/S)Component (Specify) (P) / Life (x103 hrs) (S)
2 / Costs of Components (£)/Time Required to Replace Components (hrs) (S)
Component / £ / Hrs
6.0 DESIGN SPECIFICATION
6.1 General
6.1.1 General
2 / Aerator Type/Model No. (S)4 / Direction of Rotation (from non-drive end) (P/S)
6.1.2 Weights and Lifting Arrangements
1 / Weights (S)Component (specify) / Weight (kg)
1 / Heaviest maintenance lift (S)
1 / Heaviest erection lift (S)
6.1.7 Maintainability
5 / Lifting and Transporting Carriage Reqd. (Y/N) (P)6.1.8 Information Plate
1 / Additional Information Required (P)3 / Duplicate Information Plate Required (Y/N) (P)
6.1.9 O & M Manuals
1 / Type Required/Provided (P/S)Paper/electronic
6.2 Mounting Arrangements
1 / Mounting Arrangements (P/S)6.3 Rotor Assembly
6.3.1 Low Speed Aerators (Where Required)
3 / Impeller Diameter (mm) (S)4 / Rotor and Drive Tube Materials (S)
6.3.2 High Speed Aerators (Where Required)
3 / Impeller Diameter (mm) (S)4 / Impeller and Drive Shaft Materials (S)
5 / Method of Securing Impeller to Shaft (S)
Key
Bolt
Conical taper
7 / Coupling Details (S)
6.4 Drive System
6.4.1 General
1 / Method of Mechanical Overload Protection for Drive System (ü) (P/S)Current monitoring
Torque limiting coupling
Other (specify)
6.4.2 Low Speed Aerators (Where Required)
Manufacturer
Model/designation
Construction standard
Service Factor (AGMA)
Reduction ratio
Bearing L10h life (B10h)
Input speed
Efficiency
Input coupling type
Output coupling type
Lubrication method for gears
Lubrication method for input bearing
Lubrication method for output bearing
8 / Separate Bearing Housing Reqd. (Y/N) (P)
6.5 Up-Take Tube (Where Required/Provided)
1 / Required (Y/N) (P/S)2 / Diameter (mm) (P/S)
2 / Material (P/S)
6.6 Flow Straightener/Baffle (Where Required/Provided)
1 / Required (Y/N) (P/S)3 / Material (P/S)
6.7 Aerosol Spray Deflector(s)
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7.0 TESTS
7.2 Factory Acceptance Tests (Clause 7.2.1)
Type of Test (P) / Required (Y/N) / Witnessing Requirements (P) / Test Standard (P/S) / Acceptance Criteria (P)(Y/N) / Notice (Days)
Oxygen transfer efficiency1 / Y
Noise
Vibration2 / Y / ISO 10816 / 4.5 mm/s
Other (specify)
Notes:
1. – A type test using clean water is acceptable.
2. - High speed aerators.
7.3 Site Acceptance Tests (Clause 7.3.1)
Type of Test (P) / Required (Y/N) / Witnessing Requirements (P) / Test Standard (P/S) / Acceptance Criteria (P)(Y/N) / Notice (Days)
Oxygen transfer efficiency
Noise
Vibration1 / ISO 10816 / 4.5 mm/s
Other (specify)
Notes:
1. – High speed aerators.
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APPENDIX d – SUPPLIER’S SUPPLEMENTARY DATA SHEET INFORMATION
Clause / Supplementary InformationISSUE 3 NOVEMBER 2016