As these plans are privately owned, property owners interested in building a structure with a standard plan must contact the owner of the plan to purchase a copy. One of the key milestones that launched us down this path was the development of our first factorybuilt wood shearwall the strongwall. Fairfax county, typical retaining wall details timber retaining walls general notes. Browse anchor walls technical materials, including freestanding and retaining wall construction details, freestanding and retaining wall product specifications, cad drawings, installation guides and more. Construction of this wall must comply with the requirements of new zealand. The use of a standard plan greatly reduces the time required for plan check. How to build a timber retaining wall this old house.
Sketches of the retaining wall forces should be considered to properly distinguish the different forces acting on our retaining wall as tackled in the previous article, retaining wall. The focus of the guideline is the geotechnical aspects of retaining wall design. Erection and foundation details for special roadside signs breakaway type post wood to be used only where specified standards,foundations,signing and marking 6271983. Sheet piling consists of interlocking steel, precast concrete or wood pile sections. Retaining walls in particular contribute significantly to the surroundings when constructed in timber. In this video, this old house landscape contractor roger cook shows how to construct a wood timber retaining wall to create a play area. Drainage materials will reduce or eliminate the hydrostatic pressure and improve the stability of the material behind the wall. Resources homeowner keystone retaining wall systems. All spikes shall be 60d or equivalent, hotdipped galvanized or stainless steel. Download free, highquality cad drawings, blocks and details of retaining walls organized by masterformat. The purpose of this technical data sheet is to provide sufficient detail to enable the correct design and construction of either log or sawn or combinations timber. Tql 9 timber retaining walls for residential applications. Howtobuild guide low retaining walls what you can build using this guide this guide shows you how to build a timber retaining wall up to 1. Another effort for this edition was to explain many of the topics in more detail so it will be helpful to the.
Each file also is available for download in autocad. Hence they provide a lateral support to vertical slopes of soil that would otherwise collapse into a more natural shape. A timber retaining wall is great for reshaping a sloped yard and lending a real identity and presence to your garden area. Therefore, any retaining wall design requiring a building permit shall be performed by a registered. This manual provides guidance for the safe design and economical construction of retaining and flood walls. Some manufacturers offer technical support, in the form of brochures showing engineer designed details, for their particular wall type. Drainage materials will reduce or eliminate the hydrostatic pressure and improve the stability of the material behind the. Redirock construction details redirock retaining walls. If youre building a wall with only a couple of 4ft. Special inspection is required as specified in the building code section 1704. Typical retaining wall detail home inspections, inc.
A copy of these retaining wall details is required to be on the job site and available to the inspector during the construction and inspection process. Set up wooden stakes and nylon strings to represent the height and perimeter of the. How to build a treated wood retaining wall family handyman. Permits can therefore be issued much faster for structures such as swimming pools, metal patio covers, stairways, signs, etc. When stained to match a log or cedar clad home, it carries the house materials into the landscape for a more unified appearance. To download a detail, click on the desired file format.
For taller wall projects use geogrid to reinforce the wall, or consider optional techniques using masonry, nofines, rock bolts, soil nails, or earth anchors. Backfilling against masonry or concrete retaining walls shall not be permitted until at least seven days after placing concrete or grout. The units solid construction and unique pinning system provide an endless array of design options, hardcore durability and the fastest, easiest installation available. They may be used in lieu of a retaining wall designed by an engineer or architect. Recent updates for standard plans release of the 2019 revision to the manual see revision history and manual archive update the standard plans gsps september 2019 download the desktop manual standard plans, m2101 pdf, 121 mb order standard plans manual view or download standard plans plan sheet library disclaimer the washington state department of transportation. Transportation bridge standards and procedures manual. Wood shall not be employed in the construction of retaining walls. Heavy equipment shall maintain a distance away from the wall equal to the wall s height.
Cad details are available in dwg, dwf, dxf and pdf format. The retaining wall retains less than 4 feet of material with or without a surcharge, unless the surcharge is caused by a building. Retaining wall installation manual for commercial jobs using. Jun 4, 20 railroad timber retaining wall details 3d hi jon, i have a driveway retaining wall that continues to be pushed by the ground, even though it is backed by gravel and drained to nothing under the driveway except crushed gravel. Concrete retaining wall product technical materials. Retaining wall installation manual for commercial jobs. Retaining walls can be constructed with various materials from stone to wood. Wood retaining walls are affordable and can be very attractive. Typical retaining wall details based on the 2012 international residential code this design document applies to residential, nontiered, nonstacked retaining walls with level backfill and no surcharge loading that retains no more than 4 feet of earth. The objective of this guideline is to provide information on retaining wall design in accordance with the city of nanaimo the city and the british columbia building code bcbc requirements.
Revised miscellaneous and retaining wall standard drawings. Retaining walls types details with analysis and design. The following is a listing of the allan block typical details that are available. D ata sheet concrete retaining walls concrete retaining walls provide a durable solution that is required of a structure in contact with soil and exposed to constant wetting and. Invariably the retaining wall forms part of a landscape where plants are encouraged to soften the harder elements of construction.
Tammi wood, cbo, cza roanoke county admin center 5204 bernard dr roanoke, va 24018 5407722065. Deviations from these plans or surcharge loads from adjacent structures, driveways, parking areas, terraced retaining walls, or steep slopes within a 45 degree angle from the bottom of the. A generously illustrated guide to building a retaining wall from heavy wood timbers, including construction and drainage details that make a wall durable. Flow chart of slope and retaining wall regulatory requirements. Roanoke county, virginia typical retaining wall details. To view a cad detail, you will need a cad design program or a cad viewer program. Bpc016 retaining wall designs instructions and forms. Most common materials used for retaining walls are. When you locate the detail you want, just click one of the four file format buttons to download it to your computer. Wood retaining walls require a building permit and geotechnical engineers certification when they. One hundred twenty major categories of fully editable and scalable drawings and details in autocad format. Jun 04, 20 jun 4, 20 railroad timber retaining wall details 3d hi jon, i have a driveway retaining wall that continues to be pushed by the ground, even though it is backed by gravel and drained to nothing under the driveway except crushed gravel. Retaining walls are structure used to retain soil, rock or other materials in a vertical condition.
This guide shows you how to build a timber retaining wall up to 1. Building a timber retaining wall fine homebuilding. Standard retaining wall our original, most popular unit, the standard unit is the backbone of versalok retaining wall systems. City of alexandria typical retaining wall details page 1 of 9.
Wisdot regional staff determines the need for permanent retaining walls on highway. Wood is commonly used for low height retaining walls. Timber queensland technical data sheet 9 timber retaining walls revised march 2006 page 1 10max. Typical retaining wall details based on the 2015 virginia residential code this design document applies to residential, non tiered, nonstacked retaining walls with level backfill and no surcharge loading that retains no more than 4 feet of earth. Unless the wall is designed to retain water, it is important to have proper drainage behind the wall in order to limit the pressure to the wall s design value. Deviations from these plans or surcharge loads from adjacent structures, driveways, parking areas, terraced retaining wall s, or steep slopes within a 45 degree angle from the bottom of the. Pick a building material that will work with the look and feel of your yard. Get pleasantly infrequent product announcements and news delivered to your inbox. The ab collection has been a favorite of wall builders for years and offers the perfect blend of performance and style with maximum results. If your slope needs a higher wall or requires extensive grading, call in a masonry or landscape contractor or terrace the slope with two or more lower retaining walls. Set up wooden stakes and nylon strings to represent the height and perimeter of the retaining wall.
Drystone retaining walls are normally selfdraining. This manual is intended primarily for retaining walls which will be subjected to hydraulic loadings such as flowing water, submergence, wave action, and spray, exposure to chemically. Standard details for retaining walls santa cruz county. A site evaluation see form cni002 and a building permit is required. Introduction timber is a preferred material for landscaping purposes. Anchor block typical section pdf dwg new anchor block waler beam detail pdf dwg new. Indeed, soil mechanics and the design of retaining structures has. With this powerful software, youll have the answers. Select materials to add them to your zip folder, then download or email the files for easy access.
Retaining walls must be constructed in conformance with the details herein. Click on the drawing to view or print a larger image. When you want to be the goto resource for redirock designs, having a copy of geo5 redirock wall professional is the way to go. Stretch another level line near ground to represent the top of the first course of landscaping timbers. In the right setting, a timber retaining wall blends into a landscape more naturally than any other material. A goodlooking retaining wall depends on level footings, and the best way to establish level over long distances is with a builders level. Figure 12 for timber retaining walls and figure for masonry and concrete retaining walls. Unless the wall is designed to retain water, it is important to have proper drainage behind the wall in order to limit the pressure to the walls design value. Retaining wall types, materials, economy, and applications. Standards plans are a time saving tool that is advantageous for structures that are built repeatedly, where the design and construction are not expected to vary greatly from site to site. All design criteria specified by a soils or geologic report must be met by use of the standard detail for the wall. Many codes require a permit for any structure that holds back what amounts to thousands of pounds of earth, and most limit the height of an amateurbuilt retaining wall to 3 feet. Mar 04, 2019 sketches of the retaining wall forces should be considered to properly distinguish the different forces acting on our retaining wall as tackled in the previous article, retaining wall.