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Get Started Free →datadrivenconstruction/delay-analysis
Analyze construction schedule delays for claims and recovery. Perform time impact analysis, identify delay causes, calculate damages, and document for disputes.
Passed 19 of 22 test cases with the skill, and 14 of 22 without it.
and 3 more in the full report
6 fixed13 passed either way2 still failing1 broke
Tokens, turns and time describe resource use, not a dollar price.
One of 6 test cases the skill fixed. Same model, same prompt, with and without the skill.
A medium project ($25M) suffered 6 days of unexcused contractor delay and no excusable delay. Using standard medium project daily rates, what total liquidated damages are owed to the owner?
| Checked | Without skill | With skill |
|---|---|---|
| Calculates owner liquidated damages as $90,000 based on 6 days at $15,000 per day. | Missed | Passed |
The instructions your model reads when the skill loads.
Analyze construction schedule delays for project recovery and claims. Perform time impact analysis (TIA), identify concurrent delays, calculate delay damages, and prepare documentation for dispute resolution.
"Proper delay analysis is essential for fair resolution of construction disputes" — DDC Community
┌─────────────────────────────────────────────────────────────────┐
│ DELAY ANALYSIS METHODS │
├─────────────────────────────────────────────────────────────────┤
│ │
│ As-Planned vs As-Built │ Time Impact Analysis (TIA) │
│ ───────────────────── │ ──────────────────────────── │
│ Compare original to │ Insert delay events into │
│ actual schedule │ schedule to measure impact │
│ │ │
│ Windows Analysis │ Collapsed As-Built │
│ ──────────────── │ ───────────────── │
│ Divide project into │ Remove delays from as-built │
│ time periods │ to find "but-for" completion │
│ │
└─────────────────────────────────────────────────────────────────┘
from dataclasses import dataclass, field
from typing import List, Dict, Optional, Tuple
from datetime import datetime, timedelta
from enum import Enum
from collections import defaultdict
class DelayType(Enum):
EXCUSABLE_COMPENSABLE = "excusable_compensable" # Owner caused - time + money
EXCUSABLE_NON_COMPENSABLE = "excusable_non_compensable" # Neither party - time only
test cases passed, vs 14 / 22 without
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