🏗️ Construction & Civil Engineering
Concrete mix, rebar BBS, footing, earthwork, masonry, HVAC and BOQ.
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RCC Concrete Mix Design Calculator
Cement bags, sand, aggregate and water for M10–M25.
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Rebar Bar Bending Schedule & Tonnage
Cutting lengths, bend deductions and D²/162.2 weights.
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Column Axial Load & Footing Sizing
Tributary loads over N stories and isolated footing size.
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Earthwork Excavation & Cut-Fill Estimator
Pit, trench and cut/fill volumes with swell and truck trips.
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Brickwork & Block Masonry Calculator
Bricks/AAC blocks, mortar cement and sand with openings.
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Water Tank & Booster Pump Calculator
Tank sizing, WSFU flow and Hazen-Williams pump HP.
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HVAC Cooling Load & CFM Estimator
BTU/hr heat gain, AC tonnage and CFM airflow.
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Construction Gantt & CPM Scheduler
Dependencies, forward/backward pass and critical path.
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BOQ & Rate Analysis Studio
Bill of quantities with item rate analysis and overheads.
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Concrete Compressive Strength & Curing Curve
Cylinder/cube break results vs standard strength gain.