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Saved by uncleflo on January 17th, 2022.
The CDG believes that their cave diving procedures, developed by continuous improvement over 70 years, represent the best way to produce a well trained, intelligent and alert diver. Solo cave diving in the UK can trace its roots back to early dives by Graham Balcombe and Jack Sheppard in Swildon’s Hole in 1934. The procedures developed in the 30’s were formalised by the founding of the Cave Diving Group in 1946. A constant theme throughout the existence of the CDG has been to adapt materials and methods to the job in hand and to be open to continuous improvement. Cave diving has become extremely popular throughout the world. Florida is one of the regions blessed with many cave diving sites of outstanding quality and easy access. Consequently, there has been an explosion of popularity in cave diving in the USA. It is estimated that there are as many as 20,000 cave and cavern divers in Florida alone. These divers are organised into a number of national bodies including the National Speleological Society, Cave Diving Section and the National Association for Cave Diving. The generally agreed advice from this wealth of experience is that cave diving in the USA should be conducted by teams of divers in a buddy system and that solo cave diving introduces an unnecessary level of risk. Despite this advice the Cave Diving Group continues to recommend solo cave diving as the safer alternative for UK sump conditions. Why is that?
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Saved by uncleflo on January 16th, 2022.
If you want to build a pier or a dock, you need good, sturdy pilings or posts to support it. Unless you have the heavy equipment to drive the pilings into the ground, you’ll either need to use a jet of water to dig a deep hole or set the pilings in concrete footers. Jetting is better for sandy soil, while concrete is more stable for muddy beds. Although this project may require some special tools and a couple of people to lend a helping hand, you’ll be able to enjoy fun on the waterfront for years to come! If you need to install posts in the water for a dock or a pier, measure and cut pilings made of pressure-treated wood. The pilings should be the length you need to support your structure, plus an extra 4-6 feet that you can bury in the ground. Have some friends help you stand the first piling in the water, then aim the tip of a high-powered hose or a water jetter at the base of the piling and turn on the pump. The force of the water should blast away the sand and mud beneath the wood, creating a hole so you can sink the piling. Keep reading to learn how to pour concrete posts!
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Saved by uncleflo on December 19th, 2019.
In addition to our "run of the mill" pool paints and coatings, we also manufacture a variety of performance paints and coatings for sub aquatic environments and surfaces such as pontoons, lock gates, water-wheels, sumps, bunds, sewage treatment plant, windfarm floors etc. These performance paints are ideal for areas or situations where water, chemical, oil or petroleum products are spilled, splashed or flooded and create hazardous environments. Chlorinated Rubber Paint is an air drying, single pack system resistant to a wide range of chemicals, sewage and mineral oil. Having excellent exterior durability and heat resistance, R10 is ideally suited for application to brickwork, slate roofs, steel, chemical storage tanks, bridges, marine equipment, swimming pool surrounding walls, floors and ceilings, sewage tanks etc. More information.Product Code - R10
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