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How phosphate is mined and processed

like (not ideal to build upon). Processing The phosphate is sent to a chemical processing plant, or fertilizer manufacturing plant. Here, molten sulfur, shipped to Florida ports and trucked to the plant, is used to create sulfuric acid. The sulfuric acid is then mixed with the phosphate to make phosphoric acid.

Pond Design - Iowa Department of Natural Resources

Pond Design. Proper planning and construction are essential to building a pond that meets owner needs. Ponds are built for a variety of reasons, including watering livestock, fishing, recreation, wildlife or to enhance the beauty of a homestead. Each of these reasons require slightly different plans.

Construction specifications for bioretention - Minnesota ...

Construction specifications. Information: Off-line construction is preferred to allow for establishment of vegetation. Proper construction techniques are critical to achieve long-term functionality of bioretention systems. Construction sequencing is imperative; infiltration BMPs need to be installed as close to the end of construction as possible.

Primco Builds Excavator Fleet for Road & Bridge ...

In addition to providing ready-mix concrete and other building materials for Primco jobsites, Speedway Construction Products also provides a variety of aggregate, concrete and landscaping materials and services for other contractors in the area. Some of the busiest machines in the Speedway yard are the CASE 721G wheel loaders. "The 721Gs and ...

Build a Pondless Water Feature - Marquis Gardens - Pond ...

A good rule of thumb for waterfall reservoirs is to make the reservoir 2 to 3 times the volume of the total water in the stream or waterfall. EXAMPLE: 3 ft wide stream that is 30 ft long and has an average depth of 3". 3 x 30 x .25 x 7.5 = 168.75 gallons. Recommended reservoir size is 350 to 500 gallons.

Tailings Ponds 101 | Oil Sands Magazine

Tailings ponds are massive earth structures used to store coarse and fine solids contained in the oil sands deposit and recover water back to the main processing plant. These ponds are temporary storage facilities and need to be reclaimed when no longer in use.Fine solids from tailings streams tend to trap large volumes of water, making pond reclamation challenging at best.

Filling PREVENT SOIL EROSION ON YOUR PROPERTY

Make sure the plants get only what will soak in. Slopes between 33% and 50% require special care. Plant on slopes that are this steep, but be aware you may need to use an erosion control blanket, mats of coconut fiber, or jute netting to hold slopes in place until plants can become established. Once established, the roots of the plants will knit

Types of Fish Ponds for Fish Farming - a Full Guide | Agri ...

Introduction to types of ponds for fish farming business. A fish pond is a reservoir or controlled pond that is stocked with fish and is used in aquaculture for fish farming and is used for recreational fishing or ornamental purposes. It is the most common process of fish culture.Water is maintained in an with this area by artificially constructed ponds where the aquatic animals.

Retention Pond – Plants for | Walter Reeves: The Georgia ...

Retention Pond – Plants for. Q: Our neighborhood has a stormwater detention/retention area that has become very overgrown. We are planning a work day to clear it but what plants should we use? A: I found a great list put together by Prince Georges County in Maryland.

Build a Pondless Water Feature - Marquis Gardens - Pond ...

How to Building a Pondless Feature A pondless water feature has no open body of water at the end of the falls. Instead, the water is held within water retention cubes, which are durable, allowing a decorative stone, like river rock, to be placed on top; this gives off an overall effect of water "disappearing" into a be

THE USE OF RETENTION PONDS IN RESIDENTIAL SETTINGS

The Use of Retention Ponds in Residential Settings Karen J. Jordan, Department of Earth Sciences, University of South Alabama, Mobile, AL 36688. E-mail: [email protected] Residential areas are often overlooked when considering stormwater runoff. Many impermeable surfaces such as streets, driveways, sidewalks, walkways, and roofs are in residential subdivisions.

How to Build a Pond and Waterfall in the Backyard (DIY)

How to Make a Pond: Build in 'easy-care' features. A. Leave workspace all around the pond For convenient care of plants and the pond itself, it's best if you can reach all parts of the pond easily. If you locate your pond right next to a fence, wall, hedge or building, you'll have to get into the water to tend that part of the pond.

BMP Construction and Maintenance Costs

normal pond outlet that are greater than or equal to the runoff from a 2.5-inch 24-hour storm over the . 2 ... a coarse stone aggregate, allowing for the temporary storage of runoff in the void space of the material. Discharge of this stored runoff occurs through infiltration into the surrounding naturally

Let's Re-Think Retention Ponds - IDEAS For Us | Blog

In Orange County, FL within the past decade there has been over 6,800 retention ponds recorded according to the National Pollutant Discharge Elimination System (NPDES). This number is only a small record of retention ponds. It's not inclusive to all the countless developments and communities that make their own ponds …

How to Create a Retention Pond for Water Runoff | Hunker

These ponds are designed to efficiently collect water from a wide swath of land and then, as the name suggests, retain it indefinitely. Building a successful retention pond is much the same as building any pond, but more care must be given to the feeder …

Bioretention Pond Design – Learn Hydrology Studio

Option 2. Setup two ponds (forebay and detention) The second option includes setting up two ponds, one for the Forebay or Bioretention pond, and the second for a more permanent pool Detention Pond as shown below. The Forebay is sized just large enough to contain the WQ volume, WQv. This is a multi-purpose infiltration-detention system.

P&Q University Lesson 9- Washing & Classifying : Pit & Quarry

P&Q University Lesson 9: Washing & Classifying. Materials engineers constantly strive to improve concrete and bituminous mixes and road bases, and clean aggregate is a vital part of that effort. Yet, aggregate producers often find it difficult to meet all the requirements for "cleanliness.". While hydraulic methods are most satisfactory for ...

Retention Ponds - Drainage/Flooding - Water and Waste ...

Retention ponds are like marshes. In the spring, a 'rotten egg' smell can occur because the snowmelt gets into the ponds and mixes with stagnant water. In the summer, slow-draining bodies of water smell of the fish, animals and plants (especially algae) that live in the water. Algae may also smell, especially in summer during an 'algae bloom ...

Guidelines for the Design and Construction of Stormwater ...

Cover: An extensive green roof system installed atop the NYC Department of Parks and Recreation's (DPR) Five Borough Building on Randall's Island. This modular system is one of six variations installed on the roof and covers 800 square feet, con-sisting of two-foot by two-foot trays with six inches of mineral soil and over 1,500 sedum plugs.

DIY Dam Design & Construction: Water Retention | Pond ...

Your pond/lake can be 5 to 6.5 feet (1.5 to 2 meters) deep. Aim for a minimum of 3 feet (0.9 meters) freeboard. Your water feature can take a long time to fill up – the ground underneath has to become saturated. SPILLWAY. Over design your spillway, it needs …

HOW TO BUILD A Sediment Retention Pond

Retention Ponds to allow the spillway to discharge over undisturbed, well vegetated ground. Keep the Sediment Retention Pond life to less than two years. If a longer term is required then further measures to ensure stability and effectiveness are likely to be needed. 7 Do not locate Sediment Retention Ponds within watercourses.

MICRO-BIORETENTION

rule exists, the plants should be a mix of trees, shrubs and herbaceous materials. However, there should be 2 to 3 shrubs planted per tree and herbaceous plantings shall make up 40% of the total number of plants. Trees shall be a minimum of 1 ½ in. caliper, shrubs shall be minimum 2 gal. size and herbaceous plants shall be a minimum 1 gal size.

Bioretention Management: What it is & Why it Matters

These plants and mulch further filter the water and the mulch layer provides an environment for beneficial microorganisms to grow. Once the water reaches the mulch layer, it is designed to "pond" so that it slowly filters through the drainage layer which is typically comprised of soil, aggregate, filter fabric, and piping.

Biogas Plant Construction Manual - Build a Biogas Plant - …

operate an 8-cubic meter biogas plant at the Renewable Energy Department, Kabul in the winter and spring of 2010-2011. The biogas plant was completed in six weeks and fed dairy cow manure and water. The manual is based on both the Gobar biogas plant and the performance by AREA during the construction of the biogas plant in Kabul.

Sand / Media Specifications

retention time to a point where treatment becomes inadequate. Media with small grain size slow the water movement and increase the chance of clogging. The effective size (D 10) and uniformity coefficient (Uc) are the principal characteristics of granular media treatment systems. The ideal sand

Pond Requirements and Plant Lists - Education

Requirements. Size: The size of a pond or wetland is variable. Ponds are generally less than 20 acres in size and can be as small as eight feet across and one to two feet deep. Wetlands tend to be on a larger scale, because of their topography and purpose for water retention and filtration. Light: Full sun (six hours minimum) is recommended.

Preventing and Repairing Shoreline Erosion | College of ...

Wetland plants established on the shoreline are a preferred method for stabilizing pond banks, and they provide many benefits beyond erosion prevention. The deep, robust root systems of these plants bind soils in the area where the majority of erosion is occurring, just below the water surface. Unlike turf grass, these plants thrive in ...

Stormwater Basins: How Detention and Retention Ponds Work

The main difference between a detention basin or retention basin, is the presence or absence of a permanent pool of water, or pond. The water level is controlled by a low flow orifice. In most cases, the orifice is part of a metal or concrete structure called a riser. A detention, or dry, pond has an orifice level at the bottom of the basin and ...

How To Make Your Pond Look More Attractive (8 Easy Tips ...

An easy way to fix this is to build your pond into the surrounding landscape to help it look more natural. When building the landscape around your pond, try to use rock that you would find in your area. Another way is to add plants, by adding plants outside of your pond it will make the pond blend in well with your yard.

Retention Ponds: Attractions or Liabilities? - Brotherhood ...

Risk #1: Drowning. Children are attracted to water, and retention ponds offer ready access. Unlike swimming pools, these basins typically aren't fenced in. They can also be deep and have a steep drop off at the water's edge, since they're designed for maximum rainwater collection. Muddy bottoms and slippery sides can make it difficult for ...

Bioretention Basins/Rain Gardens

building, to avoid moisture around the building's foundation. Don't place a rain garden over a septic system. Consider how it can be integrated into existing and future landscaping. When adding plant material, do not place woody plants in the inflow path. Use native plants to improve the site's biodiversity. Operations and Maintenance:

Rain Gardens: Stormwater Management Solution | Horst ...

There are a few different factors that can drive up the cost of a rain garden or retention pond. The makeup or design and the plants you choose to include in the garden will impact price. If you opt for simpler components, it will stay on the cheaper side, though drainage and filtering will …

Stormwater Pond Design, Construction and Sedimentation ...

Stormwater retention ponds are designed to minimize the adverse effects that impervious surfaces have on watersheds. Impervious surfaces (ie. paved surfaces, buildings, etc.) increase the volume of surface runoff in a watershed because they prevent rain water from infiltrating into the soil.

How to Make a Dry Pond : 8 Steps - Instructables

Step 3: Dig Out Your Pond. Dig out the pond area to your chosen depth. Slop the sides instead of digging straight down. Keep in mind that if it is too deep it is more of a danger if someone steps into it. Also, a deep pond will require more rock for filling. My dry pond is …

Secrets to Building Natural Ponds the Right Way (New ...

Secrets for building a natural pond without pumps, filters and chemicals. Find out how you can build a simple pond that requires almost no maintenance and no...

COAGULATION AND FLOCCULATION

Conventional plants have conservative retention times and rise rates. This usually results in requirements for large process basins and a large amount of land for the plant site. On-site pilot plant evaluation, by a qualified engineer familiar with the water quality, is recommended prior to design.