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Construction Cost Estimating Class #7 - Masonry Prof. Ralph V. Locurcio, PE

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About Masonry Construction Masonry Walls CMU Block Reinforcing bars Structural Brick Brick Veneer Mortar Example

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What is Masonry Construction? Bricks and CMU blocks Available in many sizes, grades, and textures Plans and Specs will determine size, color, etc. Specs will also determine the joint and type of mortar to use

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Many different types The components block Block or brick Reinforcement Mortar Grout Imbeds Anchor bolts

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Bars run in horizontal & vertical directions Typical spacing 32 OC Additional bars added around openings

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Adds strength to CMU or Brick wall U-shaped CMU block filled with cement Rebars provide lateral strength Forms a horizontal beam

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100 feet 10 feet 4 feet 32 2 feet

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1136 blocks 225 blocks = 8 = 16

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Bond Lintel Bullnoze

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2 x 8 Bracing

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Structural Brick

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The brick veneer must bear on a footing, foundation, wall or steel ledger, and this is created by bolting a steel angle iron to the wall. A typical steel lintel is 4 Package includes: Brick Weather Barrier Lintels Mortar Ties

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What is Mortar??

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Mixture of cement, sand & lime Binds the blocks/bricks together Seals against the elements Lime adds workability, elasticity, water retention Sand acts as a filler and aggregate Mortar is often colored

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Masonry consists of: Block Structural Brick Brick Veneer Work package for block and structural brick Block or brick Reinforcement Mortar Grout Imbeds Anchor bolts

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The work package for Brick Veneer includes: Brick Weather Barrier Lintels Mortar Ties

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1.Chapter 6. handout Problems 6-7, 8, 9, 10 Problem 6-13 2.Problems with HW #2 Calculations missing/incomplete Difficult to understand Materials missing Incorrect costs Didnt use estimating template Some gave too much credit

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