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Understanding the Procedure for Water Pumping in Road Construction

The procedure for water pumping in road construction is a crucial aspect of ensuring the successful completion of any road project. This article aims to provide a concise overview of the procedure, highlighting its positive aspects, benefits, and suitable conditions for implementation.

I. Importance of Water Pumping in Road Construction:

  • Water pumping plays a vital role in road construction projects, especially during excavation, compaction, and concrete pouring stages.
  • Proper water management ensures a stable and durable road surface, preventing issues like settlement, cracks, and uneven surfaces.

II. Procedure for Water Pumping in Road Construction:

  1. Site Evaluation:
  • Conduct a thorough site evaluation to determine the specific water management requirements.
  • Identify potential sources of water, such as nearby rivers, ponds, or existing water bodies.
  1. Water Extraction:
  • Use appropriate pumping equipment to extract water from the identified sources.
  • Ensure the pumps are in good working condition and suitable for the project's scale and requirements.
  1. Water Transportation:
  • Establish a reliable system for transporting the pumped water to the desired locations within the construction site.
  • Utilize hoses, pipelines, or tankers to facilitate water movement efficiently.
  1. Water Distribution:
  • Carefully plan and

Dewatering is the process of removing water from a construction site and moving it to another place, like a detention pond or forest, to make the construction site safe to work on. Dewatering is a necessary step in preparing an area for construction work.

What are the construction dewatering techniques?

Main dewatering techniques
  • Wellpoints. In Wellpoint, wells are drilled around the excavation area with submersible pumps installed in the well shaft.
  • Deepwells. In Deepwell, one or several individual wells are drilled, and submersible pumps are placed in each shaft.
  • Bypass dewatering.
  • Flood control.
  • Tunneling dewatering.

What is the difference between pumping and dewatering?

Water pumps are designed to move water from one location to another, while dewatering pumps are designed to remove water from an area where it is not wanted, such as from construction sites, mines, or flooded areas.

What are the two principal ways to keep groundwater out of excavations?

Site dewatering is usually achieved by controlling groundwater through exclusion (permanent) or removing it by pumping (temporary or permanent). Groundwater control by exclusion is achieved by constructing an impermeable or low permeability cut-off wall to keep the groundwater out of the excavation.

What are the methods of dewatering pumping?

Main dewatering techniques
  • Wellpoints. In Wellpoint, wells are drilled around the excavation area with submersible pumps installed in the well shaft.
  • Deepwells. In Deepwell, one or several individual wells are drilled, and submersible pumps are placed in each shaft.
  • Bypass dewatering.
  • Flood control.
  • Tunneling dewatering.

How do you excavate with water?

How Hydrovac Works. First, hydrovac operators use high-pressure water wands to cut through the soil and soften the ground. Next, they suction the mud slurry into the tank of an excavation truck, at which point crews can uncover a deeper layer of soil and any existing underground facility networks.

What is the dewatering method in construction?

The dewatering process in construction sites involves the removal of groundwater or surface water from the workplace. The process is usually carried out by pumping or through evaporation before excavating the ground for footing. It also helps to lower the water table for rapid excavation.

Frequently Asked Questions

How do you excavate in construction?

How Does the Excavation Process Work?
  1. Setting out corner benchmarks.
  2. Surveying ground and top levels.
  3. Excavation to the approved depth.
  4. Dressing the loose soil.
  5. Making up to cut off level.
  6. The construction of dewatering wells and interconnecting trenches.
  7. Making boundaries of the building.

What is the purpose of a diversion in the water source?

Diversion structures enable the use of water that normally would run off. Diversion structures provide some in-stream control of erosion and sedimentation. Diverted water may serve as a source for groundwater recharge.

What is a stream diversion?

DEFINITION. A temporary channel constructed to convey stream flow around in-stream construction. PURPOSE. Stream diversion channels are used to allow in-stream work to be conducted separate from flowing water as required by Aquatic Resource Alteration Permits. CONDITIONS.

Why was WASH created?

The provision of adequate water, sanitation and hygiene is an essential part of providing basic health services in healthcare facilities. WASH in healthcare facilities aids in preventing the spread of infectious diseases as well as protects staff and patients.

What is the significance of WASH?

Without water, sanitation and hygiene (WASH), people's wellbeing, dignity and opportunities are severely compromised, particularly women and girls'. Access to water and sanitation are human rights.

What are the objectives of WASH?

Objectives of WASH

Improving the quality of drinking water to reduce the risk of human health.

When was WASH created?

The acronym "WASH" was used from about 1988 onwards as an abbreviation for the "Water and Sanitation for Health" Project of the United States Agency for International Development. [19] At that time, the letter "H" in the acronym stood for "health", not "hygiene".

What is concrete washout good for?

Concrete washout is a designed structure in a designated area of a construction site, where all slurry concrete is washed and removed from construction equipment. Concrete washout prevents slurry concrete from leaving construction sites, thus preventing stormwater pollution.

Why is concrete washout bad for the environment?

Concrete washout water (or washwater) is a slurry containing toxic metals. It's also caustic and corrosive, having a pH near 12.


What is the wheel wash system for construction sites?

Wheel washing systems can be installed on construction sites to enable the wheels of plant, trucks and other vehicles to be cleaned before leaving the site. This is used to control and eliminate mud, slurry and other pollutants being deposited on public roads.

How do you manage concrete washout?
Keep washout area at least 50 feet from streets, storm drains, open ditches and streams. Contain the disposal to keep concrete from flowing down slope. Use washout area only for chutes, tools and equipment. Install storm drain protection at any inlets that are down grade from the washout.

What is a concrete washout structure?

Concrete washout is a designed structure in a designated area of a construction site, where all slurry concrete is washed and removed from construction equipment. Concrete washout prevents slurry concrete from leaving construction sites, thus preventing stormwater pollution.

How does construction affect groundwater?

Proper drainage is a crucial consideration in land development. Groundwater can be blocked from its normal course of flow by new construction and accumulate in the ground. Water close to the underside of the basement floor can rise up through the slab and cause dampness.

What is the problem associated with groundwater?
Groundwater pollution is a serious problem because many people get their drinking water from wells. Agriculture, manufacturing, and underground storage tanks are just a few of the harmful substances that enter the ground and percolate down to aquifers below.

What are the most common construction site pollutants in water?
Suspended Solids (Silty Water)

The most common source of pollution on construction sites is suspended solids (silt-laden waters). This is primarily due to the ease in which it can occur.

What are the negative effects of underground water?

Contamination of ground water can result in poor drinking water quality, loss of water supply, degraded surface water systems, high cleanup costs, high costs for alternative water supplies, and/or potential health problems. The consequences of contaminated ground water or degraded surface water are often serious.

How does construction affect water?

During construction, soil erosion and sedimentation often occur. Sediment-laden runoff finds its way into nearby water bodies, resulting in increased turbidity and reduced water quality. This can have detrimental effects on aquatic organisms, limiting their ability to thrive and reproduce.

What controls water flow in a dam?
A control valve is used for controlling the flow of water. Sluice gate is a gate that controls sluice which helps in controlling the flow of water.

What is the proceedure for watter being pumped in road construction

How do you stop water flow to build a dam? Streams and rivers have to be diverted to create a dry area to construct the dam. Small rivers and streams are usually diverted through a tunnel, or a channel that is constructed around the side of the dam.

How do dams reduce river flow?

Dams slow rivers

Dams can also alter the timing of flows. Some hydropower dams, for example, withhold and then release water to generate power for peak demand periods. These irregular releases destroy natural seasonal flow variations that trigger natural growth and reproduction cycles in many species.

What is a dam constructed to control the flow of?

Dams are mainly built to control the flow of rivers. They usually hold the water back. If the flow of rivers are not controlled, it will result in the overflow of water. This can cause a severe impact on people, animals and plants inhabiting in that area.

What controls river flow?

There are several factors that affect the discharge of rivers at any given time. These factors include the size of the drainage area (or watershed), climate, land use/land cover, soil type, and the topography of the watershed.

What do you call the rock layer that holds groundwater?


An aquifer is a body of porous rock or sediment saturated with groundwater. Groundwater enters an aquifer as precipitation seeps through the soil. It can move through the aquifer and resurface through springs and wells.

What is a rock layer that allows groundwater to flow through it?


An aquifer is defined as a body of rock or unconsolidated sediment that has sufficient permeability to allow water to flow through it. Unconsolidated materials like gravel, sand, and even silt make relatively good aquifers, as do rocks like sandstone.

What are rock layers that store and allow the flow of groundwater called? An aquifer is an underground layer of permeable rock or sand that collects, holds, and conducts water. The materials act like underground sponges allowing water to flow very slowly through it. Water in the aquifer is called groundwater.

How do you stop water from coming underground? Install A Sump Pump. A sump is a piece of plumbing equipment that goes under the floor of your foundation or basement. Sump pumps collect moisture, either groundwater or water from a leak, and remove it from your property. Sump pumps are typically used for flood protection.

  • What is the most layer of water under the ground called?
    • The correct option is B Water table. Water table, also called groundwater table, is the upper level of an underground surface in which the soil or rocks are permanently saturated with water.

  • How much waste is produced by construction?
    • 600 million tons

      Fact 1: The Environmental Protection Agency estimates that 230 million to 600 million tons of C&D are produced nationwide each year in the United States. Fact 2: In just one year, C&D debris accounted for more than twice the amount of generated municipal solid waste in the U.S.

  • How big is the construction waste management market?
    • The global Construction and Demolition Waste Management market size was valued at USD 139586.71 million in 2021 and is expected to expand at a CAGR of 4.3% during the forecast period, reaching USD 179748.18 million by 2027.

  • How many houses does it take to fill a garbage truck?
    • The truck that comes through your neighborhood can hold anywhere from 12 to 14 tons of waste. How much is that? Well, on average, this type of garbage truck can pick up waste from about 800-850 homes. When the truck is full, it heads to the landfill.

  • How much of each type of construction waste is there on typical 2000 square foot single family residence?
    • Construction of a typical 2,000 square foot residential home generates about 3,000 pounds of wood waste and 600 pounds of cardboard waste. From the data in Table 1, calculate the lower heating value (LHV) of wood and cardboard in kJ/kg.

  • How do you calculate construction waste?
    • The Basic Formula

      The formula multiplies the area's length in feet by its width in feet and its height in feet. This number is then multiplied by one-third and divided by 27 to convert the answer into cubic yards. To make it clearer, the equation is as follows: (Length (ft) x Width (ft) x Height (ft) x 1/3) / 27.

  • What are water giant filled sacs on construction sites
    • Temporary water barriers work to prevent flooding and/or provide a dry construction site for water construction like bridges, piers, or hydraulic systems. Water 

  • How is groundwater a problem at construction sites
    • Oct 16, 2021 — The excess sediment itself in water can be a problem, but also contaminated discharge from construction activities mixes with soil particles.

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