Repairing drain pipes under a concrete slab

Apart from the cost of the new pipes and fittings, and the time the plumber takes to procure and install them (on average 80100/hour), pipe repairs that require digging up under a house slab will also incur costs via: tile and concrete cutting (anywhere from 30 to 50/lineal metre cut or 125135/hour with minimum call outs of 250)

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Gravel vs. Concrete Driveway

Gravel driveways, in particular, have seen massive improvements in the technology used to implement them and hold them in place. In case you''re looking for an alternative to the average concrete driveway, let''s take a look at how modern gravel driveways stack up against concrete, and which one you should choose for your home.

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Foundation Design

ARCH 331 Note Set F2015abn 417 Foundation Design Notation: a = name for width dimension A = name for area b = width of retaining wall stem at base = width resisting shear stress bo = perimeter length for twoway shear in concrete footing design B = spread footing or retaining wall base dimension in concrete design cc = shorthand for clear cover

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RESIDENTIAL Concrete Driveways and Paths

the strength of concrete and the quality of the surface finish. An N20 concrete is satisfactory for most residential paving applications, including typical driveways. For use by heavier pneumatictyred vehicles up to 3 ton, an N25 concrete is recommended, and for pneumatictyred vehicles over 3 ton, an N32 concrete will be required (AS36002).

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Floor screeds

Floor screeds. A floor screed is usually a cementitious material made from a 1:3 or 1: ratio of cement to sharp sand. It may be applied onto either a solid insitu concrete ground floor slab or onto a precast concrete floor unit. There are many proprietary screeds on the market and information about these can be obtained from the manufacturer.

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Gravel Between Pavers

Browse 271 Gravel Between Pavers on Houzz. Whether you want inspiration for planning gravel between pavers or are building designer gravel between pavers from scratch, Houzz has 271 pictures from the best designers, decorators, and architects in the country, including Liberty Bay Cabinetry Interiors Inc. and Julie Moir Messervy Design Studio

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Concrete Vapor Barriers: The Pros Cons of Getting The Vapors

Jun 23, 2021There''s only oneway moisture leaves concrete, though, and that''s via its surface. If you have a concrete floor that''s in continuous contact with a source of moisture, you''re going to have problems. This is why a vapor barrier under concrete is essential. Vapor barriers are a way to keep moisture from getting into the concrete.

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How to build a Slab

Jan 06, 2014SlabOnGrade Construction Technical Guide Deciding to build your home with a slabongrade foundation instead of a conventional basement or raised crawlspace foundation can greatly reduce your environmental impact during construction, and has the potential to offer significant financial savings as well.. By replacing concrete with lowerimpact and better performing building materials like

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Guide on Laying A Shed Concrete Slab

The right concrete slab thickness is critical. A thin, brittle slab will crack under the weight of the shed and what you put in it. And an overly thick concrete slab will cost more than it needs to and be more difficult to put in. The minimum concrete slab thickness we recommend is 100mm.

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360R

In the context of this guide, slabonground is defined as: a slab, supported by ground, whose main purpose is to support the applied loads by bearing on the ground. The slab may be of uniform or variable thickness, and it may include stiffening elements such as ribs or beams. The slab may be unreinforced, reinforced, or posttensioned concrete

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How to Reinforce Concrete

May 03, 2021Place a 2 in ( cm) chair under the steel mesh in the forming. Position a mesh chair every 2 feet ( m) in the concrete form, going both horizontally and vertically. It is possible to pour new concrete over the top of an existing concrete slab, but you should drastically rough up to top surface first so that it is like jagged rocks to

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Gravel / rock under concrete.

Jul 19, 2007Re: Gravel / rock under concrete. I''m not sure of my state abbreviations, if it is Tennessee then you don''t have to worry about the ground freezing, so, if the slab is on higher ground and runoff is not a problem then I would say that the red clay base should be fine.

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APPENDIX B—RECOMMENDATIONS FOR DESIGN AND

Concrete Slab. Figure B4 Concrete Slab Foundation, Plain or Piled. Notes: Concrete slab is to be designed by a person experienced in tank foundation design. The top of the concrete slab should be smooth and level. The concrete strength should be at least 20 MPa (3000 lbs/sqin) after 28 days.

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Precast Foundation Walls

The gravel facilitates subslab drainage—water drains down the panels, through the gravel bed and into the perimeter drain system. The gravel also transfers the load from the foundation wall to the surrounding soil. The gravel layer will be 4 to 12 inches thick, as determined by a soils engineer, to meet the foundation''s loadbearing needs.

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Footing Fundamentals

Footing Fundamentals. Under every house is a foundation, and under most foundations are footings. Most of the time we take footings for granted, and usually we can: For typical soils, a common 16 or 20inchwide footing can more than handle the relatively light weight of an ordinary house.

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Shipping Container Foundation

Aug 03, 2019Typically, when building a slab foundation, a strip, otherwise known as a footing, is laid down before the slab for stability and strength. A strip foundation is a strip of concrete which is laid to support the container. Usually the concrete strip is 12 feet wide and can be anywhere from 24 feet deep. A strip foundation can be built in a

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How It Works: Concrete

Oct 01, 2009To make 1 cubic yard of concrete, you''d need seven 94pound bags of cement, about 1/2 cubic yard of sand and just over 3/4 cubic yard of gravel.

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French drain directs water away from slab

Mar 12, 2005Once the slab is broken up and removed, grade the site and install a vapor barrier of 6 mil. plastic. Then install a 4inch layer of gravel and pour the new slab over the gravel.

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The New Gravel Backyard: 10 Inspiring Landscape Designs

May 13, 2019The design is simple, manicured, and geometric; the 60by60squarefoot backyard will be lined in a horizontal cedar fence, following straight planting beds (think lots of boxwood shrubs), geometric gravel paths, and centered with a square lawn in the middle. Look at these 10 geometric backyard gardens with gravel paving, and you''ll see what

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How To Install Dry

Spread the gravel base over the patio area. Use a long straight 2x4 to "pull" the base material. You can meticulously use the board and a 4'' level to smooth the gravel out at the proper level, or you can pull strings across the area that are tied to wooden stakes at the appropriate elevation, and pull the board just under the string.

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Garage Floor Replacement Repair

Fill in the area with gravel (3/4") and compact it. Put in place a vapor barrier. Install wire mesh or fiber mesh as reinforcement. Pour concrete for the new floor. Allow the concrete floor to cure properly before moving car(s), bicycles, etc., as well as stored items, back into

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Sand and Gravel Calculator

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Building Small Cabin

If the ground has a fairly steep slope, you will need to use posts or raise a wall from concrete blocks on lowlevel side. It is not recommended to place concrete blocks directly on the ground, unless it is bare solid rock. Blocks should be placed on a flat rock/slab and/or gravel, and be well leveled. Make sure any gravel is compressed/stomped

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Foundations

thin layer of concrete spread under the frame to remove it from contact with the earth and give a level bearing surface. This cost is usually negligible. UIP 1, PAGE 1 2003 State of Michigan FOUNDATIONS SECTION UIP 1 FOUNDATION WALLS CONCRETE SLAB AND FOUNDATION WOOD FLOOR CONSTRUCTION (with interior frame supports) SLAB PERIMETER FOOTING

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