7.3.7 Opening windows should either be sealed or fitted with non-removable insect screens 7. 3.8 Open drains must be fitted with a grill or mesh covering. They must be in a good state of repair and 7.3.9 Airbricks should be fitted with a suitably fine mesh cover. 7.3. 10 The external fabrication of food premises should be constructed and maintained so that there are no entry points for pests eaves of the roof or the roof itself, or the walls must be identified and either closed off or suitably screened 7.3. 11 Birds must be excluded from all production and storage areas. To facilitate this, all apertures in the Additionally canopies must be proofed to prevent birds roosting 7.3.12 Where birds are already present on the site they and their nests must be removed in concert with wildlife statutes 7.3.13 Domestic animals e.g. cats and dogs must also be excluded from the factory environment. Staff should never feed or encourage stray animals to come on site, and all factory doors and other entrances must remain closed. Domestic animals must not be used for pest control purposes 7. 4 Fly killers position and condition 7. 4.1 All production and ambient storage areas should be protected by electrical insect "knock down devices. For maximum effect, these should be sited in areas of minimum light intensity, but must not be sited directly above open food handling areas 7. 4.2 Each unit should be fitted with a suitable catch tray which should be regularly inspected and emptied when necessary. Flying insect"counts" can be particularly useful in identifying problems with one particular insect type The ultra violet tubes on these units should be replaced at twelve month intervals or more frequently il vacated 7.4.3 The units must be constantly switched on even after production has finished and the premises vacated necessar 7.5 Good perimeter control 7.5. 1 There should be a clear perimeter zone, free from accumulations of rubbish, packaging materials, raw materials, pallets and redundant equipment, which could provide harbourage for pests. Ideally the perimeter zone should be fenced for security Efficient and effective pest control begins with good perimeter control. 7.5.2 The exterior finish of factory buildings should be maintained in good condition. In general vegetation must not be allowed to grow around the immediate perimeter or on or near walls and roofs. All gutters and exterior drains must be kept clean and functional. Pallets, plastic trays or other materials must not be stored against the factory walls, to prevent pest harbourage 7.5.3 There should be adequate facilities for the disposal of rubbish and general factory debris located a significant distance from production areas. Rubbish bins, skips or other containers must be totally enclosed and regularly emptied to prevent over spill. Good housekeeping here is essential as spillage will encourage the presence of birds, insects, rodents and other scavengers7.3.7 Opening windows should either be sealed or fitted with non-removable insect screens. 7.3.8 Open drains must be fitted with a grill or mesh covering. They must be in a good state of repair and functional. 7.3.9 Airbricks should be fitted with a suitably fine mesh cover. 7.3.10 The external fabrication of food premises should be constructed and maintained so that there are no entry points for pests. 7.3.11 Birds must be excluded from all production and storage areas. To facilitate this, all apertures in the eaves of the roof or the roof itself, or the walls must be identified and either closed off or suitably screened. Additionally canopies must be proofed to prevent birds roosting. 7.3.12 Where birds are already present on the site they and their nests must be removed in concert with wildlife statutes. 7.3.13 Domestic animals e.g. cats and dogs must also be excluded from the factory environment. Staff should never feed or encourage stray animals to come on site, and all factory doors and other entrances must remain closed. Domestic animals must not be used for pest control purposes. 7.4 Fly killers position and condition 7.4.1 All production and ambient storage areas should be protected by electrical insect “knock down” devices. For maximum effect, these should be sited in areas of minimum light intensity, but must not be sited directly above open food handling areas. 7.4.2 Each unit should be fitted with a suitable catch tray which should be regularly inspected and emptied when necessary. Flying insect “counts” can be particularly useful in identifying problems with one particular insect type. 7.4.3 The units must be constantly switched on even after production has finished and the premises vacated. The ultra violet tubes on these units should be replaced at twelve month intervals or more frequently if necessary. 7.5 Good perimeter control 7.5.1 There should be a clear perimeter zone, free from accumulations of rubbish, packaging materials, raw materials, pallets and redundant equipment, which could provide harbourage for pests. Ideally the perimeter zone should be fenced for security. Efficient and effective pest control begins with good perimeter control. 7.5.2 The exterior finish of factory buildings should be maintained in good condition. In general vegetation must not be allowed to grow around the immediate perimeter or on or near walls and roofs. All gutters and exterior drains must be kept clean and functional. Pallets, plastic trays or other materials must not be stored against the factory walls, to prevent pest harbourage. 7.5.3 There should be adequate facilities for the disposal of rubbish and general factory debris located a significant distance from production areas. Rubbish bins, skips or other containers must be totally enclosed and regularly emptied to prevent over spill. Good housekeeping here is essential as spillage will encourage the presence of birds, insects, rodents and other scavengers