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Question
We have unistone between our pool and the house.  When it rains, the water pools in this area.  We usually go out with a broom and push the accumulated water towards the grass.

We were thinking of pulling up some unistone bricks, installing some kind of pipe to lead the water off to the grass area, put all the bricks back except one that would be replaced with a drain.

Is that feasible?  Any other suggestions?

Answer
Hello,

First,if settlement of the pavers has occured,you might want to think about having them reset. Sounds like settlement may be the cause for the water not draining or perhaps the pavers were just not set to a steep enough pitch to allow for water drainage. Settlement of pavers is a common problem and can result from inadequate compaction of the base,unsuitable base materials,inadequate edging,frost heave and water penetration.

Experience,judgement and skill are necessary to achieve a good paver installation and these days that is often hard to come by. Installing monolithic paving such as concrete or asphalt can often compensate for this since less settlement occurs with this type of pavement

A catch basin or smaller sized direct drain could solve the problem but that will need a suitable outlet for the water. The grass you mentioned may or may not be one,depending on how much water will be deposited on it.

Another possibility could be a retention area under the pavers. The existing pavers would have to be replaced,at least over the inlet area,with permeable pavers or an open gridwork with spaces to admit water. Good luck.

Mark Harshman


For more comprehensive help check out my website at:

http://www.prestoexperts.com/expert/markland  

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Mark

Expertise

Design of landscape structures and design of planting arrangements in the landscape. I usually do not answer questions of a horticultural nature or about growing plants or gardening unless they are related to design. I will answer these questions at my discretion. I will answer maintenance questions at my discretion,usually when they are related to design. I am a landscape designer. I am not a contractor or a gardener. Although I will describe how something is built I do not provide detailed installation or construction instructions. Here are example categories of problems I can help you with: Design of residential walks,low walls,low retaining walls,fences,drainage systems,arbors,plant selection,xeriscapes (low water use landscapes),rain garden design,rain water harvesting,permeable paving,sustainable drainage. No advise on an architectural or engineering level. I DO NOT PERFORM ACTUAL DESIGN WORK THROUGH THIS SITE. I only provide suggestions and advice. For more comprehensive help check out my website at: http://www.prestoexperts.com/expert/markland

Experience

Landscape concept plan for a 30,000 square feet housing site. Involved site recon by pace measurements and photographs and a site analysis and a site analysis report and recommendations and a preliminary cost estimate. Design elements included canopy trees,shrub cover,accent flowers,trash receptacles,benches and planters. Landscape concept plan for a 7,000 square feet site for a community center. Involved site recon by tape measurements and photographs,a site analysis and the creation of 3 conceptual designs for the site. Work was done through a local professional design center. Design elements included tree garden,playground,sitting area,lawn,cooking area,lighting and concrete and brick paving. Landscape concept plan for a 3,000 square feet housing site. Involved site recon by tape measurements and photographs and a site analysis. Concluded in 3 concept designs for the site,shown at a formal presentation,a site analysis and recommendations. Work was done through a community volunteer program. Design elements included decks,a playground and fencing. Briefly as draftsman for landscape designer/gardener. Conceptual landscape design for residence. Involved site recon by tape and pace measurements and site analysis. Design included covered patio area,ground cover and flower beds. Two years experience as draftsman for transportation department in engineering firm and for engineering consultants to phone company. Duties consisted of plotting topography. Survey crew member. General assistant to surveyor. Work was done for U.S. Army and County Highway Department. No instrument work. Duties included tape measurement,holding graduated survey rod and plumb bob for sighting and clearing brush. Marketed Landscape Design Services. Brochure writing,promotional material and marketing graphics.

Education/Credentials
Course in Computer Aided Drafting. 700 hours in AutoCad 2000. 700 hours to date on AutoCad Light 2000. Certificate in Manual Drafting. 1200 hours drafting time. Course in Civil Engineering Technology. (One Semester)

Awards and Honors
From Civil Engineer: I am very impressed with your work and with the obvious thought you have put into the marketing of your venture. It was especially good to see a print of that job we discussed on the phone. I wish you much luck with the venture as I do with your plans for school. Im darn proud of you buddy. And by the way,when I get my license,maybe you will consider me for a consulting job down the road. I hope to get together with Rick sometime soon and I would really like to show him your stuff if its ok with you. From all these questions you ask I get the feeling that you are genuinely interested and have put alot of thought into the idea and process of landscape architecture and if you could possibly afford the cost I would urge you to take some classes in the areas you are most interested in. The subject is not so simple as it appears,mixing science and engineering with art and a certain amount of religion to create a comfortable and pleasing balance between man and nature. A thoughtful soul like yours can do this but it can be a lifes work getting it right.

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