Diamond Certified Companies are Rated Highest in Quality and Helpful Expertise.

  • Why this rating is the most accurate.
  • Our editors gather deep company info.
  • Performance is Guaranteed.

Diamond certified companies are top rated and guaranteed

Why Trust Diamond Certified Drainage Companies Rated Highest in Quality?

OAKLAND — You are the customer. If your goal is to choose a drainage company that will deliver high customer satisfaction and quality, you’ll feel confident in choosing a Diamond Certified drainage contractor. Each has been rated Highest in Quality in the most accurate ratings process anywhere. And you’re always backed by the Diamond Certified Performance Guarantee. Here’s why the Diamond Certified ratings and certification process will help you find a top-rated drainage company and is unparalleled in its accuracy, rigor and usefulness:

1) Accuracy: All research is performed by live telephone interviews that verify only real customers are surveyed, so you'll never be fooled by fake reviews.

2) Statistical Reliability: A large random sample of past customers is surveyed on an ongoing basis so the research results you see truly reflect a Diamond Certified company’s top-rated status.

3) Full Disclosure: By clicking the name of a company above you'll see the exact rating results in charts and read verbatim survey responses as well as researched articles on each qualified company.

4) Guaranteed: Your purchase is backed up with mediation and the Diamond Certified Performance Guarantee, so you can choose with confidence.

Click on the name of a Diamond Certified company above to read ratings results, researched articles and verbatim customer survey responses to help you make an informed decision.

More than 200,000 customers of local companies have been interviewed in live telephone calls, and only companies that score Highest in Quality in customer satisfaction–a 90+ on a 100 scale–as well as pass all of the credential-based ratings earn Diamond Certified. By requiring such a high score to qualify, the Diamond Certified program eliminates mediocre and poorly performing companies. Read detailed information about the ratings and certification process.

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DIAMOND CERTIFIED EXPERT CONTRIBUTORS IN THE Alameda County – Drainage CATEGORY

Mark Corrallo is president of All Seasons Construction, a Diamond Certified company since 2007. He can be reached at (510) 652-2221 or by email.

Mark Corrallo

diamond certified contributor profile and expert article

Mark Corrallo: A Seasoned Career

By James Florence, Diamond Certified Resource Reporter

OAKLAND — When Mark Corrallo purchased a construction firm in 2007, he didn’t have any hands-on experience in the trades. However, given the tempestuous conditions he’d soon be navigating, the background he did have proved to be a far more valuable asset. “Prior to purchasing All Seasons Construction, I was a business broker, which means I facilitated the buying and selling of businesses,” he explains. “All Seasons Construction was one of the businesses that came across my desk, but after looking at it more closely, I decided to purchase it myself. I didn’t have any experience in the construction industry, but it looked like a good business opportunity, so I decided to take a shot at running my own company.”

In hindsight, Mark’s decision to purchase a construction business couldn’t have been more ill-timed: Within a year, the U.S. would slide into the worst economic recession it had seen since the Great Depression. However, while the downturn left many construction firms floundering in its wake, Mark’s business acumen helped him keep his company not just afloat but swimming forward. “By adapting to the economic conditions, I was able to keep my crews busy throughout the recession,” he says. “Since purchasing All Seasons Construction a decade ago, I’ve managed to triple its revenue, so I’d say things have gone pretty well.”

Today, Mark says his favorite part of his job is receiving positive feedback from his clients. “I like hearing from customers that they had a good experience with my guys. I’m the first person they meet, but once the actual work begins, their experience is mainly with my crew and foremen, so I’m always glad to hear they received the level of service and quality I promised at the beginning.”

A resident of Alamo (where he lives with his wife, Hui Ling, and son, Jaedi), Mark spends his time outside of work engaged in a variety of interests, from classic cars to sports. “I’m a classic car enthusiast, and I have a collection of about a dozen English, Italian, and American models,” he says. “I spend way too much time buying, selling and reading about cars. I also like playing pickup basketball and following the Golden State Warriors and San Francisco Giants.” Additionally, Mark enjoys going to the beach, taking bike rides and skiing at Tahoe with his family.

In regard to a professional philosophy, Mark espouses the importance of providing a high level of quality. “I think most people would rather pay $12 for a great cheeseburger than $8 for a lousy one,” he explains. “By the same token, we provide a very high level of service, but we’re certainly not the cheapest company out there. I’ve kept my crews busy for the past decade not by being the cheapest, but by being very good and taking care of our clients. That formula seems to work well, so I’m sticking with it.”

When asked the first thing he’d do if he were to retire tomorrow, Mark says he’d devote more time and energy toward his automotive avocation. “I would probably be more active with my classic car hobby. In general, I’m less interested in showing my cars than in the horse-trading aspect, so I’d probably be buying and selling more high-value cars.”

Ask Me Anything!

Q: What was your first car?
A: A 1971 Ford Mustang Fastback.

Q: What’s your dream car?
A: I’ve owned almost every one of my dream cars. I guess the one that has remained out of reach is the Mercedes-Benz 300SL Gullwing. Those are in the seven-figure range and I’m not sure I’ll ever be a seven-figure guy.

Q: If you could immediately master any musical instrument, what would you choose?
A: The guitar. I play a little already, but I’d like to be better at it.

Q: What’s your favorite snack?
A: Pistachio nuts.

Q: What’s the most death-defying feat you’ve ever attempted?
A: Surfing the Banzai Pipeline in Hawaii.

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A Crucial Component of Earthquake Safety

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OAKLAND — Due to concerns about earthquake safety, many Bay Area homeowners are taking preemptive action by having their homes retrofitted via measures like foundation bolting and bracing. While retrofitting is a great idea, there’s one caveat: if your home’s foundation… Read more

Expert Video Tip

Video: A Firm Foundation for Earthquake Safety

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Complete Video Transcription:

OAKLAND — Host, Sarah Rutan: If you’re planning to have your home retrofitted for earthquake safety, don’t overlook the importance of a firm foundation. Today we’re in… Read more

SELECTED PHOTOS FROM THESE TOP RATED COMPANIES

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INDUSTRY INFORMATION AND RESEARCHED ARTICLES BY THE DIAMOND CERTIFIED RESOURCE

  • Cemex

  • Curecrete

French drains
land grading
dry creeks
trench drains
slot drains
land drains
soakaway drains
fin drains
dispersal drains
collector drains
linear drainage systems

underground drainage system installation
yard drainage system installation
residential drainage services
commercial drainage services
land drainage installation
rainwater drainage
surface drainage & grading
foundation drainage system installation
drainage system repairs
storm drainage system solutions
sustainable drainage system solutions

Alameda
Albany
Ashland
Berkeley
Castro Valley
Cherryland
Dublin
Emeryville
Fremont
Hayward
Komandorski Village
Livermore
Mount Eden
Newark
Oakland
Piedmont
Pleasanton
Russell City
San Leandro
San Lorenzo
Sunol
Union City

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The following agencies and associations will have more information about home drainage solutions, local drainage companies and finding and installing the best water drainage systems for your property.

Association of California Water Agencies (http://www.acwa.com/)
California Stormwater Quality Association (http://www.casqa.org/)

Plastics Pipe Institute (http://plasticpipe.org/)
US Society of Irrigation and Drainage Professionals (http://uscid.org/)

Know What You Want
Know What You Really Need from Alameda County Drainage Companies

Before you start looking for a drain company in Alameda County, or for a water drainage provider in the cities of Oakland, Berkeley, Fremont, San Leandro, Hayward, Alameda, Union City, Pleasanton, Newark, Dublin, or your area, think about the specific drainage system needs and questions you may have.

Get some thoughts down on paper. Maybe you are mostly concerned with the drain system cost, or the quality of the water drainage services. You may want the drain installers to take extra time explaining drainage system options for your home or business.

Being precise about your home drain system needs will help you measure the responses of water drainage providers.

Here are some sample questions about drainage systems:

  • Do you want a Diamond Certified drain system company that is rated best in quality, has random customer survey results, and is backed by the Diamond Certified Guarantee?
  • How long has the Alameda County drain company you're interviewing been in business?
  • How does the drain system company set prices for a drain system or drain system repairs?
  • Does the drain system provider have an outstanding reputation with Alameda County drain service customers?
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What To Ask In Person
Interviewing Alameda County Drainage Company Representatives in Person

You may decide to invite some of the standout drain system companies in Oakland, San Leandro, Berkeley, Hayward and Fremont and other areas of Alameda County to visit your location in person to see the job in question.

This will give them a chance to see your location and the job specifics, as well as let you ask them questions in person to gauge their abilities and customer relations skills.

Questions like the following may help you judge drain system providers:

  • What is the drain system work likely to cost, and what could cause those amounts to be greater than expected?
  • How likely is it that the drain system service process will be without unexpected costs or delays?
  • What exactly will take place in the anticipated drain system service process?
  • How should we be in contact during the drain system work?
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  • What To Ask References
    Questions for Previous Customers of Drainage Companies

    How can you know that customers of a particular drain system service in Alameda County have actually had good drainage system experiences? Have particular water drainage companies really satisfied their customers?

    The aspect of customer service is very important to know about the drain system companies you're considering hiring. The answer requires reliable, independent information on the drain system company and their references.

    You can feel comfortable when hiring Diamond Certified drain system companies. Consider the opportunity to read word-for-word answers from lots of random drain system customers in Alameda County. You won't get misleading customer satisfaction info on drainage systems, because you'll have the researched experience of many drain system customers.

    And you will have the benefit of the Diamond Certified Performance Guarantee on your drainage system purchase.

    But if you don't choose Diamond Certified drain system providers, check the other drainage system references yourself, and don't be careless. A given drain system company may give you customers you can talk to. But that's not like reading random comments of drainage system customers from the Diamond Certified ratings process. That’s because other water drainage companies may just give you customers with good experiences and keep you away from those that have had trouble with the drain system company.

    If you do call non-Diamond Certified drain system customers, get some recent customers (to avoid the drainage system company selecting only satisfied people). Ask a few general questions about the water drainage company and some specific questions about the drain system process. 

    Questions for references about drainage system work could include these:

    • What drain system services did you have done, and what did it cost?
    • Did you feel good about the overall drainage system installation or repair process?
    • Were you comfortable with the time it took to have the water drainage system installed?
    • Were there any unpleasant surprises in the drain system installation process?
    • Did the drain contractor or company contact person treat you well and fully explain the process?
    • Was the drain system cost reasonable, and close to the water drainage cost you had expected?
    • What parts of the drainage system process were done particularly well by the drain system company?
    • Would you go back to the water drainage company?
    • Do you recommend hiring this drainage system company?
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  • Review Your Options
    Hire a Trustworthy Drainage Contractor

    The Diamond Certified symbol has been awarded to companies that scored Highest in Quality in an accurate ratings process.

    You may now feel that you have enough information to choose the best drain company for your job.

    Before you do though, think about these final issues befor ehiring a drainage system service:

    • Can the drain system company you're considering do the important things: providing high-quality, courteous, and reasonably priced drainage system service?
    • Will the drainage system provider give you precise information and treat you fairly?
    • Is the drain system contractor rated highly by water drainage customers in Alameda County?

    A final question in choosing a drain system company in Alameda County could be this one: do you have good evidence to believe the drain system provider will meet your specific needs for the water drainage work process?

    Keep in mind the value of reading random customer satisfaction info available for prequalified and guaranteed Diamond Certified drain system companies.

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  • How To Work With
    Before you Hire: Consider How to Find the Best Drainage Companies in Alameda County

    California drain system contractors are all licensed by the Contractor State Licensing Board, but you want to know whether the drainage system provider you choose will be the best fit for your water drainage work process.

    All Diamond Certified drain system companies have been checked in advance for high quality, in areas such as high customer approval ratings, customer-friendly practices, and customer-satisfaction principles. If you don't choose a Diamond Certified drain system company in Alameda County, you should search carefully yourself for a water drainage contractor that will truly meet your drainage system needs.

    Drain system companies in the larger Alameda County cities of San Leandro, Oakland, Hayward, Berkeley and Fremont may save you more on drainage system work than can other water drainage contractors.

    Get Accurate Drain System Information in Alameda County
    Be sure you understand the drain system cost you are considering, and the details of the drainage system financing if any. You should be comfortable with the drain system facts.

    Ask for further drainage system information as needed, and make notes on the responses you get from each home drain installation contractor.

    Ways to Make the Drainage System Process Easier and Go More Smoothly when you have Water Drainage Work Done
    Remember to read the drain system estimate or contract carefully to find out exactly what the drainage system will cost, including the total with any financing cost added.

    Sign an Estimate or Sales Contract with a Drainage Contractor in Alameda County
    Review the drain system company agreement. Take plenty of time to read the drainage system  estimate or contract carefully, looking particularly for anything extra or unusual you may have agreed upon with the water drainage company.

    When you’re satisfied with the drainage system estimate or cost, and any financing with the Alameda County drain system contractor, sign the water drainage agreement.

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  • Be a Good Customer
    Simple Ways You Can Be a Good Customer

    Good drain system service in Alameda County is the responsibility of the drainage system contractor.  But you have a part in the water drainage work process also.

    Consider these ideas:

    • Be simple and direct with the drain system company.
    • Be friendly and polite with the drainage system providers.
    • Ask questions upfront, and do what you can to simplify the job for your contractors.
    • Keep children, pets and others away from the work site to prevent injury and damage to the worksite.
    • Ask your contractor if you need to make room for work vehicles or other machinery while your new residential drainage system is being installed.

    It works for you and for the drain system contractor when you take the time to be a good drainage system customer. Alameda County drain system companies work well with quality water drainage customers.

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Check The Work
Compare Your New Residential Drain System With Your Sales Contract

Before the Alameda County drainage contractor you've hired leaves the premises for the final time, ask them to walk you through the job that they've done.

Take this opportunity to make sure everything about the new drain system they've installed is as you expected. The contract you signed should include specific item numbers, materials and system specifications that will help you know you've gotten the exact product and system you were hiring the contractor to provide.

If you have any questions about your new drainage system, the components, maintenance or any other items, make sure to ask now. Your contractor should be willing to answer your questions and give you any additional information you need to know. However, it will be easiest to wrap up the final details now, before the project is completed and the final payments are made.

Finally, verify any routine maintenance or care tips the contractors have for your new drainage system. You should also verify that you have phone numbers, e-mail addresses and any other contact information you may need for contacting the drainage system contractor in the future with questions, repairs, maintenance or for warranty information.

 

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Written Warranties
Request Written Warranties from Your Alameda County Drainage Contractors

Confirm warranties with the drain system contractor before concluding your work with them. This will protect you in the case of substandard products or installation.

You should confirm in writing:

  • The drain system contractor's business name, physical address, contact information and state license number.
  • A detailed description of what's covered by the drain system warranty, including reservicing or money back on the drainage system.
  • Instructions for taking action on the drain system warranty.
  • The time period covered by the drain system warranty.
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Top 10 Requests
Popular Types of Drainage Services in Alameda County

Drainage services in Alameda County involve different needs. Here are some common issues in water drainage:

Drainage System
The drainage system is the set of parts that allow water to drain properly out of the soil on a building site.  A good drainage system will use the right materials and be designed for adequate drainage volume and durability. Routine inspection and maintenance are also important to drainage system function. Common parts of a drainage system include drainage pipe, geotextiles for filtering soil out of the system, drainage pipe couplings, catchbasins and manholes for collecting water drainage, drainage pipe anchors, and drainage stone.

Drain Pipe Installation
Drain pipe is a fundamental part of a drainage system. Plastic drain pipe is common because it is cheap and easy to use. Drain pipe may be flexible or rigid, and will differ by the thickness and shape of the drainage pipe walls. Flexible drain pipe has the disadvantage of allowing low points that could block water drainage. The cheapest drain pipe is thin and corrugated highly flexible drainage pipe, which can fail under the weight of construction machinery or soil, and may not allow good watertight drainage connections. Thicker corrugated pipe can improve drain pipe performance.

Drainage pipe is likely to be made of plastic, and manufactured from one of three materials: polyvinyl chloride (PVC), polyethelene (PE), or high-density polyethelene (HDPE). Plastic drain pipe may be rigid or coiled. Rigid drainage pipe is sold in shorter lengths and requires more connections but is stronger, while coiled drain pipe requires fewer connections but may cave in or buckle under pressure. Plastic drain pipe also comes in perforated or nonperforated (tightline) drainage varieties. Perforated drain pipe allows water drainage to enter through holes or slots, and can carry more water as the size of the perforations increase.

Drains for Swampy Yards
A drain will be especially important for property that has an underwater spring or sits in a low spot. Drains may be needed for land that has a lot of clay in the soil or has bedrock rather near the surface, which can cause water to drain sideways in the soil rather than moving downwards. A swampy yard under heavy rainfall is likely to require a drain to prevent water drainage from constantly entering the basement. Drain types include French drains, trench drains (another name for French drains), soakaway drains, and slot drains.

French Drain
A French drain, or trench drain as it is also known, is extremely useful and common for relieving drainage problems from a slope above your house or poor soil drainage because of dense subsoil with large amounts of clay. The French drain is a set of 4-inch or 6-inch perforated drain pipes parallel to the surface in gravel-lined trenches 2 feet deep in the high ground around the house. The trench drains become horizontal to open onto the surface of the slope around the house, giving soil water drainage a sort of gutter for moving rapidly past and away from your house.

Full Drain System Installation
A drain system can involve much more than drainage pipes. A drain system may include geotextiles, drain pipe couplings, drain pipe anchors, and drain gravel. Geotextiles are drainage fabrics that filter soil out of the water drainage to keep the drain pipes free. Drain pipe couplings are watertight joints between pieces of pipe, and common spots for drain system failure. Drain pipe anchors stabilize drain pipes against the enormous pressures resulting from water drainage moving downhill or around a bend. Drain gravel is free-draining material placed next to perforated drain pipe.

Downspout Water Drainage / Downspout Diverter Drains
Downspout drain pipes may not always be enough to keep water drainage off your roof from ending up in your basement. A storm may dump over a thousand gallons of water on your roof. To keep all of that drainage out of your basement, you may need to have underground downspout diverter drains placed. These drains will be a little over a foot deep, made of 4-inch rigid sewer pipe that is not extremely thick but not of the extremely flimsy drain pipe type. The drain pipe should not be buried in the noncompacted soil next to the foundation where the soil could could bend the drainage pipe.

Foundation Drainage Systems
Drainage of water toward your foundation is a fact of living with rainfall. Most homes are on a slope, a prescription for foundation drainage. And foundations are surrounded with backfill soil, which contains lots of air, which wants to fill with drainage water. To keep water drainage away from your foundation, you need to a good drain next to it. Drain tile installed next to the foundation footer provides a way for the water to drain properly.

Residential Drain Installation
Residential drains can prevent ponds from forming in your yard by providing a path for water drainage. The typical building code requires a minimum decrease in elevation of 6 inches over the ten feet next to your house. This may not be enough slope to keep water away from your foundation. One easy way to keep from having to regrade around your home is to use a French drain, also known as a trench drain. A French drain is made of 4-inch perforated drainage pipe laid about a foot and a half deep around your house, with a gravel bed and a layer of gravel on top. The French drain follows the slope of the yard until it gets past the house, where it levels out and seeks daylight.

Home Drainage Systems
Keeping the water drainage away from the foundation is not the work of a single part, but the result of a complete drainage system. A French drain, also known as a trench drain, made of perforated drainage pipe surrounded with gravel in a shallow trench can be a very important part of that drain system. The drain system should also protect the foundation by drain pipe methods for moving away water drainage from the roof, the driveways, and the patio. The foundation should also be protected by preventing plantings and mulch that could block drainage near the house, and perhaps by a tile drain at the footer.

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Glossary Of Terms
Glossary of Residential Drainage System Terms

Below are some drainage terms which may be of help in understanding drain systems and communicating with your local drainage contractor:

catchbasin
A chamber for trapping soil and other drainage material below the drain outflow point.

Also known as: drain, drains, drainage, drain system, water drainage, drainage system, drainage systems

drain
A pathway to drain water drainage properly off of and out of the soil. Drains are most often installed by licensed drainage contractors who can measure the specific angles, depth and other job specifics to install the most effective drain system for the property.

Also known as: drain, drains, drainage, drain pipe, drain pipes, drain system, water drainage, drainage pipe, drainage system, drainage systems, French drain, trench drain, soakaway drain

drain system
A set of channels, drains, ditches and similar runoff pathways for carrying water drainage off the surface and out of the soil.

Also known as: drain, drains, drainage systems, drainage, drain pipe, drainage pipe, drain pipes, drain system, water drainage, drainage system, French drain, trench drain, soakaway drain

drainage
The total process by which water drainage flows off the surface and drains out of the ground to reach streams, rivers, and man-made drains.

Also known as: drains, drainage, drain, drain pipe, drain pipes, drain system, water drainage, drainage pipe, drainage system, drainage systems, soakaway drain, French drain, trench drain

drainage ditch
An open man-made drain designed to carry water drainage from the surface or the soil.

Also known as: drain, drains, drainage, drain system, drainage system, water drainage, drainage pipe, drainage systems

drainage system
A residential design made to drain away surface water and groundwater drainage through such devices as downspout diverter drains, French drains, and trench drains.

Also known as: drain, drainage, drain pipe, drain pipes, drains, drain system, water drainage, drainage pipe, trench drain, drainage system, drainage systems, French drain, soakaway drain

grade
A drainage slope, particularly the minimum required drainage slope of 6 inches in 10 feet to drain the ground around your house.

Also known as: drainage systems, drainage, drain system, water drainage, drainage system

open drain
A ditch or surface channel drain for water drainage.

Also known as: drain, drainage systems, drains, drainage, water drainage, drainage pipe, drainage system, drain system,

plastic drain pipe
Drainage pipe made of polyvinyl chloride (PVC), or drain pipes made of polyethylene (PE) or high-density polyethylene (HDPE).

Also known as: drain, drains, drain system, drainage, drain pipes, water drainage, drainage pipe, drainage system, drainage systems, French drain, drain pipe, trench drain, soakaway drain

riparian
Related to the banks of river or stream water drainage.

Also known as: drainage, water drainage, drainage system, drainage systems

runoff
Water drainage that doesn't drain into the soil, but runs along a surface or through a drain pipe.

Also known as: water drainage, drain, drains, drainage, drain pipe, drain system, drainage pipe, drainage system, drainage systems, drain pipes

sedimentation
Settling out of soil or other suspended material in a drain pipe or elsewhere within a drainage system.

Also known as: drains, drainage, water drainage, drain, drainage system, drainage systems

soakaway
A drain pit for surface water drainage to be absorbed into the earth.

Also known as: drain, drains, drainage, drain system, water drainage,drainage systems, soakaway drain

subsurface drain (SSD)
An underground pervious drain pipe for collecting water drainage from the soil, such as a French drain or trench drain.

Also known as: drain, drains, drainage, drain pipes, drain system, drainage systems, water drainage, drainage pipe, drain pipe, drainage system, French drain, trench drain, soakaway drain

surface runoff
Water drainage that runs along a surface, as opposed to water that drains into a surface.

Also known as: drain, drainage, drain system, drainage system, drains, water drainage, drainage systems

surface water
Water drainage that goes directly to the drainage system, and does not drain through the ground.

Also known as: drainage, water drainage

tile drain
Underground, perforated plastic, clay, or concrete pipe to drain water drainage from the soil.

Also known as: drain, drains, drain pipe, drain pipes, drain system, drainage, water drainage, French drain, drainage pipe, drainage system, drainage systems, trench drain

tile drainage
A set of tile drains for water drainage.

Also known as: drains, drain, drainage, drain pipe, drain pipes, drain system, water drainage, drainage pipe, drainage systems, drainage system

underground drain
A buried drain pipe with slots or holes for collecting water drainage from the soil, such as a French drain or trench drain.

Also known as: drain, drains, drain pipe, drainage systems, drain pipes, drain system, water drainage, drainage, drainage pipe, drainage system, French drain, trench drain

water table
The underground water drainage level to which surface water will drain.

Also known as: drains, drainage, drain system, water drainage

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Frequently Asked Questions
FAQ for Drainage Experts in the Bay Area and Beyond

Q: Why choose a Diamond Certified drain system company?
A: Because Diamond Certified drainage companies end the guessing game by offering a choice of top-rated drainage system providers who have passed the most in-depth rating process. Most drainage companies can’t meet such a high standard, which means only local drain system providers rated Highest in Quality earn the Diamond Certified award. American Ratings Corporation also looks at every Diamond Certified drainage company with in-depth and ongoing research and ratings. And your drain system purchase is always backed up by the Diamond Certified Performance Guarantee. You can feel confident choosing a Diamond Certified drain company for your home drainage needs.

Q: What is a drain system?
A: A drain system is a set of parts for getting water drainage off the surface, out of the soil, and into the watershed. Important considerations in drain systems are the use of drainage materials that will meet drain volume and durability needs. Common parts of drainage systems are drain pipes and drain tile, drain gravel, drain pipe couplings, drain pipe anchors, geotextiles, and catchbasins.

Q: What is a designated drainage exit?
A: A drainage exit is a place designated by your city's stormwater drain plan to receive rainwater runoff. The drain exit could be a sewer drain or a sloped drainage area.

Q: What should I know about different kinds of drain pipe?
A: Thin, corrugated drain pipe is cheap, but is not as strong as thicker drain pipe. Thinner drain pipe may develop low points, and may allow drain leakage at connections. Rigid drain pipe is stronger and protects better against drain problems from crushing and kinking. However, rigid drain pipe will require more drain couplings.

Q: Will a French drain system or trench drain solve problems with a swampy yard and a basement that's always wet?
A: Absolutely. A French drain, also known as a trench drain, is made of perforated drain pipe surrounded with drainage gravel in a trench about 2 feet deep. A French drain has been the miracle cure for drainage problems around thousands of homes, and will solve many drain system problems with the yard and basement.

Q: Does the French drain or trench drain system require a geotextile filter sock to go around the drain pipe or line the trench?
A: Not necessarily, and probably not. The geotextile is sometimes used to keep silt out of drain gravel and perforated drain pipe, but is not necessary unless fluffed dirt or large amounts of dirt are used on the top of the trench drain system.

Q: Will a drain system solve the problem of a muddy drainage area between houses where grass won't grow?
A: A French drain (trench drain) or other drainage system solution may keep the area drier, but there could also be a shade problem that is affecting grass growth in addition to the drainage problem.

Q: Will a French drain (trench drain) need to be dug up to remove blockage?
A: Digging up a French drain system might sometimes be necessary, if for example the drain pipe has been smashed. Often however, a snake will work to clear the drain pipe, or water under high pressure may restore proper drainage.

Q: Do I need more than downspout drains and splash blocks to keep stormwater drainage from my roof out of my basement and crawlspaces?
A: Underground downspout diverter drain pipes made of 4-inch sewer line may be a good drainage system solution. These diverter drain pipes can be fairly shallow, and will drain water away from forming drainage pools around a few downspout drain pipes.

Q: Is it possible to save and reuse drainage system water?
A: It could be, if you have the space for drain system tanks below or above ground, and if there are not downstream issues with water drainage rights.

Q: What's the best way to find a good drain system company?
A: An ideal way to get good drain system and drain pipe service is to choose a Diamond Certified drain system company. Diamond Certified water drainage providers offer advantages that are hard to beat: highest scores on random customer surveys, customer-friendly business practices, customer satisfaction principles, mediation, and great guarantees on drain system services.

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