Agent skill

quantity-takeoff-calculator

Construction quantity takeoff skill for concrete, steel, earthwork, and materials

Stars 514
Forks 31

Install this agent skill to your Project

npx add-skill https://github.com/a5c-ai/babysitter/tree/main/library/specializations/domains/science/civil-engineering/skills/quantity-takeoff-calculator

Metadata

Additional technical details for this skill

domain
science
category
Construction Management
skill id
CIV-SK-026
specialization
civil-engineering

SKILL.md

Quantity Takeoff Calculator Skill

Purpose

The Quantity Takeoff Calculator Skill calculates construction quantities including concrete volumes, steel weights, earthwork quantities, and material takeoffs from drawings or BIM models.

Capabilities

  • Concrete volume calculation
  • Steel weight calculation
  • Earthwork quantities
  • Pipe and conduit lengths
  • Area calculations (formwork, finishes)
  • Unit conversion
  • Waste factor application
  • BIM-based takeoff

Usage Guidelines

When to Use

  • Estimating project quantities
  • Supporting cost estimates
  • Verifying contractor quantities
  • Planning material procurement

Prerequisites

  • Design documents available
  • Takeoff categories defined
  • Unit system established
  • Waste factors identified

Best Practices

  • Use consistent methods
  • Document measurement rules
  • Apply appropriate waste factors
  • Cross-check critical items

Process Integration

This skill integrates with:

  • Construction Cost Estimation
  • Specifications Development

Configuration

yaml
quantity-takeoff-calculator:
  categories:
    - concrete
    - steel
    - earthwork
    - masonry
    - piping
  sources:
    - bim-model
    - drawings
    - cad
  units:
    - imperial
    - metric

Output Artifacts

  • Quantity summaries
  • Material takeoffs
  • Cost backup data
  • BOM reports

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