APPENDIX C1 - DATA SHEETS OVERFLOW SCREENS FOR SEWERAGE SYSTEMS & SEWAGE TREATMENT WORKS 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) * - Indicates Purchaser’s default requirement 2 Electrical Supply to Site () (P) 2.0 GENERAL None 400 V, 3 phase, 50 Hz 2.3 General Other (specify) 3 Special Access Restrictions (P) 1 Screen Type () (P/S) Static Screens Perforated plate 3.2 Overflow Configuration Wedge wire Self-Cleaning Screens 1 New or Existing Overflow (P) Flushing New/existing Brushed 2 Type of Overflow () (P) Self-powered drum Low sided weir Powered Screens High sided weir Band Stilling pond Brushed/spiral Storage tank (on-line) Flushing (inlet) Storage tank (on-line) 3.0 OPERATING ENVIRONMENT, SITE DETAILS (outlet) & OVERFLOW CONFIGURATION Storage tank (off-line) (inlet) 3.1 Operating Environment and Site Details Storage tank (off-line) (outlet) 1 Operating Environment (P) STW storm tank (inlet) Site/Screen Location () STW storm tank (outlet) Inland Pumping station wet well Coastal Other (specify) Above ground 3 Dimensions of Access Shaft and Overflow Under ground Chamber (m) (P) Hazardous Area Classification () Shaft diameter/size None Shaft depth Zone 1 Chamber diameter/size Zone 2 Height from weir crest to EMC Environment () underside of chamber roof 1st environment C1 Weir height – 1st environment C2 Inlet/outlet pipe – diameters 2nd environment C3 – 3.2 Overflow Configuration (contd.)
APPENDIX C1 - DATA SHEETS OVERFLOW SCREENS FOR SEWERAGE SYSTEMS & SEWAGE TREATMENT WORKS 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) * - Indicates Purchaser’s default requirement 2.0 GENERAL 2.3 General 1 Screen Type () (P/S) Static Screens Perforated plate Wedge wire Self-Cleaning Screens Flushing Brushed Self-powered drum Powered Screens Band Brushed/spiral Flushing 3.0 OPERATING ENVIRONMENT, SITE DETAILS & OVERFLOW CONFIGURATION 3.1 Operating Environment and Site Details 1 Operating Environment (P) Site/Screen Location () Inland Coastal Above ground Under ground Hazardous Area Classification () None Zone 1 Zone 2 EMC Environment () 1st environment – C1 1st environment – C2 2nd environment – C3 2 Electrical Supply to Site () (P) None 400 V, 3 phase, 50 Hz Other (specify) 3 Special Access Restrictions (P) 3.2 Overflow Configuration 1 New or Existing Overflow (P) New/existing 2 Type of Overflow () (P) Low sided weir High sided weir Stilling pond Storage tank (on-line) (inlet) Storage tank (on-line) (outlet) Storage tank (off-line) (inlet) Storage tank (off-line) (outlet) STW storm tank (inlet) STW storm tank (outlet) Pumping station wet well Other (specify) 3 Dimensions of Access Shaft and Overflow Chamber (m) (P) Shaft diameter/size Shaft depth Chamber diameter/size Height from weir crest to underside of chamber roof Weir height Inlet/outlet pipe diameters 3.2 Overflow Configuration (contd.)
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