APPENDIX C – DATA SHEETS DRY WELL (VOLUTE CASING TYPE) SEWAGE/SLUDGE PUMP UNITS PROJECT TITLE (P) DOCUMENT REFERENCE (P) PROJECT REFERENCE NUMBER (P) REVISION (P) PROJECT LOCATION (P) DATE (P) PUMP UNIT SUPPLIER (P/S) REFERENCE DRAWINGS INCLUDED (Y/N) (P) TAG NO./ASSET CODE (P) * - Indicates default requirement 2.0 GENERAL 2.1 General 1 Number of Identical Pump Units Required (P) 2 Pump Unit Application (P) 3.0 OPERATING ENVIRONMENT AND SITE DETAILS 1 Operating Environment (P) Site Location () Inland Coastal Pump Unit Location () Inside Outside Other (specify) Hazardous Areas (P) Hazard (dust or gas) Dust zone (20, 21 or 22) Gas zone (1 or 2) Gas group Temperature class EMC Environment () 1st environment – C1 1st environment – C2 2nd environment – C3 2 Ambient Air Temp/RH (10°C-40°C/< 95%*) (P) 3 Special Environmental Hazards (P) 4 References For Further Information (P) 4.0 Type and Properties of the Pumped Medium 1 Type of Pumped Medium () (P) Sewage Sludge Type of Sewage () (P) Raw Screened Settled Final effluent Other (specify) Type of Sludge () (P) Primary RAS/SAS Humus Digested Other (specify) Sewage Properties (If (P) Solids content (min/design/max) (wt %) Rag content (high/low) Abrasive solids content (high/low) pH Chloride content (ppm) Avg Max Temperature (inlet) (°C) Min Max Sludge Properties (If (P) Dry solids content (min/design/max) (wt %) Abrasive solids content (high/low) pH Chloride content (ppm) Avg Max Temperature (inlet) (°C) Min Max Vapour pressure (bar abs) Kinematic viscosity (cSt)
Supplier responsible for design (Y/N) 5.4 Life Cycle Costs (LCC) 5.4.1 General 1 LCC Assessment Required (Y/N) (P) 5.4.2 Motor Power Input 1 Motor Power Input at the GP (kW) (S) 5.4.3 Service Lives and Costs of Components 1 Expected Service Lives of Components (P/S) Component (P) Life (x103 hrs) (S) 3 Costs of Components (£)/Time Required to Replace Components (hrs) (S) Component £ Hrs 6.0 DESIGN SPECIFICATION 6.1 General 6.1.1 General 1 Pump Unit Designation/Model No. (S) 4 Inlet Approach Pipe/ Elbow Required (Y/N) (P) 6.1.2 Weights and Lifting Arrangements 1 Weights (S) Component (specify) Weight (kg) 1 Heaviest maintenance lift (S) 1 Heaviest erection lift (S) 6.1.4 External Corrosion Protection 1 Coating Requirements (P) Pump (Supplier’s standard paint finish*) Support Structure (WIMES 4.01*) 6.1.8 O & M Manuals 1 Type Required () (P) Supplier’s standard Purchaser’s standard (specify reference) 6.2 Mounting Arrangements 6.2.1 General 1 Orientation () (P/S) Horizontal Vertical 2 Mounting Arrangement (Vertically Mounted Pumps) () (P/S) a Close coupled b Long coupled c line-shaft coupled 3 Mounting Arrangement (Horizontally Mounted Pumps) () (P/S) a Close coupled b1 Long coupled (direct drive) b2 Long coupled (belt drive) 6.2.2 Support Structure 1 Material (S) 6.3 Casing 2 Material (P/S)
4 Inlet and Outlet Connections (P/S) Inlet Nominal bore (mm) Flange details (PN16*) Outlet (mm) Nominal bore (mm) Flange details (PN16*) 7 Renewable Wear Parts (P/S) Required/provided (Y/N) Fixing method Material(s) 8 Method of Externally Adjusting Casing/ Impeller Clearance Provided (Y/N) (S) 9 Coatings (P/S) Required/provided (Y/N) Composition Thickness (µm) Expected efficiency increase (%) Expected service life (yrs) 11 Connections () (P/S) (Y/N) Size Inlet/outlet pressure gauges Venting pipework Drain pipework Seal flushing pipework 6.4 Impeller 1 Impeller Type () (P/S) Closed Open Semi-open Vortex Spiral vane Other (specify) 3 Material (P/S) 4 Direction of Rotation of Impeller (viewed from the Non-Drive End) (S) 5 Impeller Dimensions (mm) (S) Actual diameter Maximum diameter 6 Method of Securing Impeller to Pump Shaft () (P/S) Key Bolt Conical taper Other (specify) 7 Method of Balancing (Single Vane and Screw Centrifugal Impellers) (S) 8 Wear (P/S) Required/provided (Y/N) Fixing method Material(s) 6.5 Pump Shaft and Shaft Sleeve (Where Fitted) 6.5.1 Pump Shaft 2 Material (P/S) 6.5.2 Shaft Sleeve (Where Fitted) 1 Material (P/S) 6.6 Pump Shaft Seal 6.6.1 General 1 Seal Type () (P/S) Mechanical* Packed gland 2 Seal Details (P/S) Manufacturer Designation 3 Seal /Cooling Required (Y/N) (P/S) 3 Method of /Cooling (S) 3 Flushing/Cooling Liquid Requirements (S) Type Supply Pressure (bar) Flow rate (l/s) 6.6.2 Mechanical Seal (Preferred Option) Required 1 Type (Cartridge*) (P) 2 Seal Component Materials (P/S) Seal cover plate Throttle bush Rotating ring
Stationary ring Secondary seals Spring (specify) 6.6.3 Packed Gland Seal (Non-Preferred Option) (Where Required) 1 Seal Component Materials (P/S) Gland follower Packing Lantern ring 6.7 Bearings and Bearing Lubrication 2 Minimum L10h Life (50,000 hrs*) (P) 2 Actual L10h Lives (S) 3 Bearing Details (P/S) Manufacturer Designation 3 Lubrication Method () (S) Sealed for life Regreasing facilities required 3 Bearing Lubricant (P/S) Type (oil/grease) Grade 5 Type of Grease Lubrication System () (P/S) Automatic* Manual 5 Grease Dispenser Type () (P/S) Replaceable Rechargeable 6.8 Intermediate Drive Shaft System (Where Required/Provided) 1 Intermediate Drive Shaft System (P/S) Required/provided (Y/N) First critical speed (rpm) 2 Minimum L10h Life (50,000 hrs*) (P) 2 Actual L10h Life (S) 3 IDSS Service Factor (P/S) 5 Support Structure Design (P/S) Supplier responsible for design (Y/N) 6 Additional IDSS Design Requirements (P) 6.9 Coupling 1 Coupling Details (S) Type Manufacturer 1 Spacer Coupling Required (Y/N) (P) 2 Component Materials (S) Hub Spacer Flexible component Guard 3 Coupling Service Factor (P/S) 6.11 Information Plate 1 Additional Information Required (P) 2 Duplicate Information Plate Required (Y/N) (P) 6.12 Condition Monitoring and Protection Sensors 1 Condition Monitoring & Protection Sensors Required () (P) Bearing temperature Bearing vibration Bearing acoustic emission Other (specify) 2 Sensor Fixing Arrangements (P)