Home :: PPG5 - Works and maintenance in or near water

PPG5 - Works and maintenance in or near water

These guidelines cover construction and maintenance works in, near or liable to affect surface waters and groundwaters. Surface waters include rivers, streams/burns, dry ditches, lakes/lochs, loughs, reservoirs, ponds, canals, estuaries and coastal waters. Groundwater is all water below the surface of the ground in the saturation zone and in direct contact with the ground or subsoil.

Section 4 deals with Oils and Chemicals

In England, oil storage containers (e.g. tanks, IBCs, drums and mobile bowsers) greater than 200 litres must comply with the Control of Pollution (Oil Storage) (England) Regulations 2001 - reference 11. Similar legislation is expected in Northern Ireland.

In Scotland, storage must be compliant with the Water Environment (Oil Storage) (Scotland) Regulations 2006 - reference 12 -; these regulations apply to the storage of any volume of any kind of oil, with more prescriptive requirements applying to industrial, commercial and institutional sites storing over 200 litres of oil.

Section 4.1 states

Make sure fuel, oil and chemical storage on site is secure. Site the storage on an impervious base within a secondary containment system such as a bund. The base and bund walls should be impermeable to the material stored and able to contain at least 110% of the volume stored. Site the storage area above any flood water level and where possible away from high-risk locations (such as within 10 metres of a watercourse or 50 metres of a well, borehole or spring), to minimise the risk of a spill entering the water environment. Detailed guidelines concerning above ground oil storage tanks can found in our guidance PPG2 - reference 13 - and in PPG 26 –reference 14.

Keep a spill kit with sand, earth or commercial products that are approved for your stored materials, close to your storage area. Train staff on how to use these correctly.

Throughout this document there are references to spill kits, absorbent pads and booms and drip trays. All of these products are available from us.

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