Related Manuals for WCS WPL VSF04
Summary of Contents for WCS WPL VSF04
- Page 1 VSF04 WPL SANDFILTER OPERATION AND MAINTENANCE MANUAL Site name: Reference number:...
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Page 2: Table Of Contents
Operation & Maintenance Manual Contents Contents ................................1 SAFETY................................ 3 Health and safety at work act 1974: ...................... 3 General health and safety: ........................3 Leptospirosis: ............................3 Sensible precautions: ........................... 3 Vaccinations: ............................4 2. Risk Assessment Notes ............................ 4 INTRODUCTION ............................ - Page 3 Operation & Maintenance Manual APPENDIX 2 ..............................21 LIFTING ..............................21 APPENDIX 3 ..............................22 APPENDIX 4 ..............................23 Revision History: Date Change description Owner Checked Revision 09/07/2015 First issue 13/01/2021 Revised Layout 07/07/2021 New front and pack page P a g e...
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Page 4: Safety
Operation & Maintenance Manual SITE NAME 1. SAFETY It is extremely important that maintenance procedures in this document are followed. Any deviation from this could cause serious injury or have a detrimental effect on the filter and its operation. 1.1 Health and safety at work act 1974: Section 6a of this act requires manufacturers to advise their customers on safety and handling precautions to be observed when operating, maintaining and servicing their products. -
Page 5: Vaccinations
Operation & Maintenance Manual Do not handle food, drink or smoking material without first washing your hands. If you display any of the symptoms described after coming in to contact with sewage; report to your doctor immediately advising them of the circumstances. 1.5 Vaccinations: To avoid the possibility of illness it is recommended that all site personnel have the following vaccinations. - Page 6 Operation & Maintenance Manual The water table in winter. Special consideration should be given to installations that will be subject to high water table pressure or flood conditions. The treatment plant will need to be installed so that it cannot “float” out of the ground and provision made for continued discharge of treated effluent, should the discharge pipework/soakaway be under water.
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Page 7: Introduction
Operation & Maintenance Manual 3. INTRODUCTION The WPL range of sand filters has been designed to treat the treated effluent from sites with population equivalents in the range of 1 up to 600 persons Use of the sand filter can achieve BDO and TSS standards better than 10mg/l. The plant is designed for either above or in ground installation. -
Page 8: Extent Of Supply
Operation & Maintenance Manual 4.2 Extent of Supply See the delivery note for full details. The standard unit comes with the following: A GRP tank, incorporating the two sections A blower kiosk with blower and control panel fitted. Items supplied loose will be found either inside the filter section or on a separate pallet. 4.3 Electrical Equipment All electrical equipment, including blowers, must be stored in clean dry conditions until required for use. -
Page 9: Lifting
Operation & Maintenance Manual 4.5 Lifting See Appendix II for lifting points. DO NOT walk on top of the units with muddy boots, as this will scratch the surface. NOTE: Units with extensions, for inverts greater than 0.5m, turrets with covers are supplied separately and therefore the unit may collect rainwater. -
Page 10: Tank Installation - In Ground
Operation & Maintenance Manual 5. TANK INSTALLATION - IN GROUND 5.1 Introduction All installation procedures should be carried out observing the requirements of the Health and Safety at Work Act and involve good building practice. During the course of installation the following will be required: Normal construction equipment and plant Concrete for base. - Page 11 Operation & Maintenance Manual Note: Dimensions are detailed on the GA Drawing for each individual plant which is sent to the customer with confirmation of order. If this has been lost, please contact WPL for another copy. Step 2 Cast the concrete base; ensure that the slab is designed to support the unit in its normal operation (i.e.
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Page 12: Local Ground Conditions
Operation & Maintenance Manual Step 9 Continue to fill with water and backfill to the rim of the tank. Step 10 Leave unit full of water N.B. See G A Drawing for kiosk slab dimensions and type of kiosk supplied (See Appendix I for descriptions). -
Page 13: Installation Of Kiosk
Operation & Maintenance Manual T ank Base UPTHRUST FROM WATER TABLE 5.4 Installation of Kiosk Step 1 Lay a concrete slab to suit the kiosk, above the adjacent surface water level (and the flood plain) to avoid surface water ingress. Provision for servicing ducts for air lines, cables and mains power should be made. -
Page 14: Pipework, Ducts And Sample Chambers
Operation & Maintenance Manual 6. PIPEWORK, DUCTS AND SAMPLE CHAMBERS 6.1 Pipework Gradient. It must be ensured that there is sufficient fall (gradient) from the dwelling to the invert level of the inlet pipe, normally 0.5m below the top lip of the unit. A fall of between 1:50 and 1:100 is usually required to give a self-scouring velocity that prevents blockages in the pipes. -
Page 15: Electrical Installation
Operation & Maintenance Manual 7. ELECTRICAL INSTALLATION It is not feasible to state a specific installation arrangement due to the variance of sites and installation configurations. Therefore it is important that the electrical installation be performed by a qualified electrician in accordance with 17th, or later, edition of the Institute of Electrical Engineers (I.E.E.) regulations, with appropriate current protection devices for the site configuration. -
Page 16: Plant Description
Operation & Maintenance Manual 8. PLANT DESCRIPTION This description is only supplied for interest and is not essential reading for plant installation, operation or maintenance. 8.1 Plant Description The sand filter will be supplied as a one-piece unit, the function and operation is as follows: - The WPL sand filter has been designed to physically filter an effluent that has already undergone primary settlement and biological treatment. -
Page 17: Operation And Maintenance
Operation & Maintenance Manual 9. Operation and Maintenance 9.1 SAND FILTER COMMISSIONING AND OPERATING INSTRUCTIONS These instructions form part of commissioning and MUST be performed to allow the sand filter to work. All settings are at the start point and should be verified by further trials after commissioning The sand filter in this unit will function without attention when the timers are set correctly. - Page 18 Operation & Maintenance Manual SAND FILTER MAINTENANCE The sand filter requires no special routine maintenance but its correct operation should be checked every three months. In doing so, the level of the sand in the centre tube needs to be kept topped up. On experience this should be topped up every year, although the amount of sand required varies from site.
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Page 21: Kiosks And Base Slabs
Operation & Maintenance Manual APPENDIX 1 KIOSKS AND BASE SLABS WPL supplies a wide variety of blower types depending on the size of plant and site requirements. It is not possible therefore to demonstrate in a general manual the layout for the ducting exit for each kiosk. However, WPL will provide drawings on request showing the layout of the client’s bespoke kiosk. - Page 22 Operation & Maintenance Manual APPENDIX 2 LIFTING Lifting eyes are provided around the top flange of the unit for the attachment of suitable strops of equal length. These should create an angle of no less than 600 to the top of the unit to avoid excessive loads on the sides of the structure.
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