Program dashboard
Baseline · last full run 14 Jul 2026, 09:42 by Marcus Adeyemi
Total embodied carbon
184,620 tCO2e
At baseline
± 15,167 tCO2e at one standard deviation
Whole life cost (NPV)
$412.8M
At baseline
3.5% real, 60 year study period
Carbon intensity
1,247 kgCO2e/lm
At baseline
Across 148.1 km of corridor alignment
Envision readiness
78%
14 of 18 credits documented
Embodied carbon by package
A1-A3A4-A5BC
TU-03 Tunnel Lining
78,410
42.5%
ST-01 Station Box
44,120
23.9%
EW-01 Earthworks
27,870
15.1%
TR-01 Track and Systems
21,880
11.9%
UT-01 Utilities
12,340
6.7%
Top material hotspots
All materials →Precast segmental lining, C50/60 TU-03 · Manufacturer EPD | 62,78034.0% | |
Reinforcement bar, grade 500, all packages All · Manufacturer EPD | 30,02016.3% | |
Structural steel sections, S355 ST-01 · Industry average | 9,5205.2% | |
In-situ concrete, C40/50 base slab ST-01 · Manufacturer EPD | 7,2803.9% | |
Diesel plant, bulk excavation EW-01 · Generic | 6,5103.5% |
Data quality
± 8.2%Manufacturer EPD±8%57.3%
Industry average±18%8.4%
Mixed±22%29.4%
Generic±32%4.9%
Combined by root sum of squares. The generic share is what a verifier will challenge first.
Recent activity
Verified 214 mappings in package TU-03
Priya Nair · 14 Jul, 11:24
Scenario LC-Alt-2 recalculated, 8,940 tCO2e delta against baseline
Marcus Adeyemi · 14 Jul, 10:07
EPD library synced from EC3, 1,847 records updated
System · 14 Jul, 09:42
Rejected 7 candidate matches for shotcrete primary lining, geography mismatch
Dana Whitfield · 13 Jul, 16:51
Imported HTP_NC_BOQ_Rev14.xlsx, 3,412 rows, 94 flagged for review
Ravi Krishnan · 13 Jul, 14:18
Locked methodology profile EN 17472 / TRACI 2.1 for the program
Priya Nair · 12 Jul, 08:33
NEXT STEP
Open LCA results
184,620 tCO2e assessed across five packages