Block work construction pdf

Legally binding document step out from the old to the newjawaharlal nehru invent a new india using knowledge. Types of concrete blocks or concrete masonry units in construction. Blocks are produced in a range of shapes and sizes. Brickwork and blockwork is normally fully detailed. The hose will also come in handy for rinsing your tools occasionally as you work and for keeping the mortar sufficiently moist. Drylay the first course of blocks, leaving space for the mortar. The sheet is to be laid over the bedding sand and up any vertical surfaces and over the top of the inner edge of the knockout block. The scaffold is to be designed to be able to hold the material that is to be used in the block wall construction. Concrete blocks brochure 23rd march 2015 riba product selector.

Construction at foundation the cavity wall may start from top of the foundation concrete. This procedure provides a method of control for construction of block masonry work in order to achieve compliance with the contract specifications and drawings 2. Projectcontract to provide labour and materials for brick and block work to various sites across gwynedd principal contractor apollo site address various sites across gwynedd project start date 14th november 2011 expected duration as per apollos program projected completion date as per apollos program name title signature date document author david hartley director 141111 authorised. All blockwork dimensions are determined by one of three. An additional benefit during construction is a reduced initial suction of moisture. Concrete blocks are very common building components that are used worldwide. In order to promote public education and public safety, equal justice for all, a better informed citizenry, the rule of law, world trade and world peace, this legal document is hereby made available on a noncommercial basis, as it is the right of all humans to. There is a wide variety of size and type used within the construction industry today. To locate the outer edge of the wall, use a tape measure to measure in from the edge of the foundation at each end. Hollow blocks are the most common type of concrete blocks. Let us look at some examples of units used in block work.

So for large work of masonry like for load bearing walls these solid blocks are preferable. Typical block construction showing homeguard installation at the step down. Block work is most important work for the construction of any building. This sheet shall extend a minimum of 300 mm back under the slab. Snap a chalk line between the two points to mark a guideline to keep the wall centered. Construction at opening the cavity is discontinued at lintel level and sill level of the window, doors or ventilators. Prior to the construction of the block wall, a scaffold spanning the work area is constructed up to the level of the construction. For this reason, the sand used in mortar for concrete blockwork should be clean. Concrete blocks masonry or concrete masonry units cmu are mainly two type, solid and hollow blocks.

The dpc is provided below the sill block or above the lintel top to prevent entry moisture or water inside the cavity. Snap a chalk line to mark the position of the blocks on the footing. Scaffolding will be erected so that it will allow each mason free access without being tied off. Masonry design guide click to download this item download. Pick up the blocks and spread a full bed of quikrete mortar mix or mason mix on the footing. Concrete block construction has gained importance and has become. Installation guide for concrete block home construction. The national masonry blocks and brick design guide this book has been. Homeguard tmb product guide concrete block construction.