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Belt Pass Rate
Live Production
67%
30 / 45 tests passing
Represents live production quality (belt samples only). Drives plant condition and supervisor decisions.
Action recommended: Pass rate below 75%
Pad Sample Pass Rate
QC Reference
56%
19 / 34 samples passing
Reference/testing samples – not representative of live production. Used for QC analysis only.
Current Status (Most Recent Tests)
UNSTABLE ⚠️
Mixed results — verify next batch
Based on most recent tests
System Health (Rolling Window)
UNSTABLE ❌
4 pass, 6 fail (last 10 tests)
50
quality score
40%
Pass
4 tests
20%
Marginal
2 tests
40%
Hard Fail
4 tests
Based on last 10 tests · Quality score: Pass=1.0, Marginal=0.5, Fail=0
Live production (belt samples only)
PAD samples excluded from live condition calculations
Monthly Calendar
Week 1
—
0 days
Week 2
0P / 2F
0%
2 days
Week 3
3P / 0F
100%
1 day
Week 4
—
0 days
Week 5
—
0 days
Weekly QC Report
Belt samples only · Insight-driven summary
Pass Rate
42%
Total Tests
12
5 pass · 7 fail
System Health
Unstable
Trend
Improving ↑
Summary
Quality dropped to 42% this period with 7 failures. Failures detected in: 20-10mm CSA GROUP II, (1661) Septic Sand, HYDRO SPEC SAND/MMCD PIT RUN SAND. Immediate review of crushing and screening parameters recommended.
System Unstable
Pass rate at 42% with 7 failures — action required.
Material Performance · Worst First
20-10mm CSA GROUP II
1 tests
0%
(1661) Septic Sand
6 tests
17%
HYDRO SPEC SAND/MMCD PIT RUN SAND
3 tests
67%
20-5mm CSA GROUP I
2 tests
100%
Critical Sieve Analysis · Top 2 Problems
14mm
Avg Passing
54.8%
Spec Range
50–90%
Deviation
15.3%
14mm trending toward lower limit — risk of undersize fines increase.
2.36mm
Avg Passing
76.2%
Spec Range
20–70%
Deviation
11.9%
2.36mm trending toward upper limit — risk of oversize increase.
Pass Rate Trend · Last 7 Testing Days
Dashed line = 90% target
Failure Breakdown
7 failures detected — 20-10mm CSA GROUP II (1), (1661) Septic Sand (5), HYDRO SPEC SAND/MMCD PIT RUN SAND (1)
Most active sieve issue: 14mm — rising
Actionable Insights
Monitor 14mm sieve closely — approaching upper tolerance. Consider minor screen or CSS adjustment if trend continues next 2 tests.
Monitor 2.36mm sieve closely — approaching upper tolerance. Consider minor screen or CSS adjustment if trend continues next 2 tests.
Investigate 20-10mm CSA GROUP II — 1 failure this period. Check screen panel condition and crusher gap on this product line.
Investigate (1661) Septic Sand — 5 failures this period. Check screen panel condition and crusher gap on this product line.