Brick Standards
Comprehensive technical specifications for brick quantity calculations.
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Dimensional Standards
- Modular: 3-5/8×2-1/4×7-5/8"
- Standard: 3-5/8×2-1/4×8"
- Engineer: 3-5/8×2-1/4×8"
- Utility: 3-5/8×3-5/8×11-5/8"
- Tolerance: ±1/8 inch
- Core Area: 25-40%
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Coverage Metrics
- Modular: 6.75/ft²
- Standard: 6.55/ft²
- Engineer: 6.55/ft²
- Utility: 4.5/ft²
- Waste Factor: 5-7%
- Corner Usage: +10%
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Pattern Factors
- Running Bond: 1.00
- Stack Bond: 1.00
- Flemish: 1.05
- English: 1.10
- Herringbone: 1.15
- Basket Weave: 1.20
Mortar Requirements
Critical specifications for mortar calculations:
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Mortar Types
- Type N: 750 psi
- Type S: 1800 psi
- Type M: 2500 psi
- Mix Ratio: 1:2:9
- Water Content: 11-13%
- Air Content: 12-18%
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Coverage Rates
- Per 1000 Brick: 6-7 ft³
- Joint Width: 3/8"
- Bed Depth: 5/8"
- Head Joint: 3/8"
- Waste Factor: 10%
- Batch Size: 6 ft³
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Material Ratios
- Cement: 1 part
- Lime: 1 part
- Sand: 6 parts
- Water: 1.5 gal/ft³
- Admixture: 0.02%
- Pigment: 2% max
Installation Factors
Key specifications affecting quantity calculations:
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Deduction Factors
- Windows: >10 ft²
- Doors: >15 ft²
- Openings: >5 ft²
- Returns: <2 ft
- Sills: 100%
- Headers: 100%
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Addition Factors
- Corners: +1 brick/ft
- Soldier Course: +15%
- Rowlock: +10%
- Quoins: +5%
- Arches: +25%
- Patterns: +5-20%
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Production Rates
- Mason: 500-700/day
- Helper: 250-350/day
- Setup Time: 1 hr/100ft²
- Cleanup: 0.5 hr/100ft²
- Staging: 100ft²/hr
- Quality Check: 30 min/500ft²