EMAEmergency Management Assistant, LLC

Project Management & Disaster Recovery

About the App

EMA is a comprehensive project management tool for disaster recovery teams — tracking FEMA-compliant debris removal, emergency site remediation, and building repair inventories with integrated GPS mapping, contractor documentation, and labor time tracking.

FEMA-Compliant Projects

Track debris removal, emergency work, roads, buildings, utilities, and parks across FEMA Categories A–G and Z with GPS mapping and load-ticket documentation.

Labor & Time Tracking

Clock in/out for force-account employees and contractors, with automatic straight-time and overtime calculation tied to each damaged facility.

FEMA-Ready Reporting

Generate professional PDF project reports and cost-tracking CSVs ready for FEMA submission, including Hazard Mitigation (Appendix J) proposals.

Free Project Calculators

Estimate materials, debris, and costs for FEMA disaster recovery projects

Tree Debris Calculator

Volume (cu ft): —
Volume (cu yd): —
Est. weight (lb): —
Est. weight (ton): —

Uses trunk cylinder volume × 1.6 canopy factor. Densities: softwood 800 lb/cy, hardwood 1,100 lb/cy, mixed 1,000 lb/cy (green weight).

Demolition Debris & Dumpsters

Volume (cu ft): —
Volume (cu yd): —
Est. weight (ton): —
Dumpsters needed: —

Density: vegetative 500 lb/cy, construction 1,000 lb/cy, white goods 250 lb/cy (compacted).

Rip Rap Volume Calculator

Coverage (sq ft): 400
Volume (cu ft): 66.67
Volume (cu yd): 2.47
Est. amount (lb): 5,950.62
Est. amount (ton): 2.98
+15% compaction (ton): 3.42

Density of Rip Rap (6–12"): 2,410 lb/yd³ (1.21 t/yd³).

Concrete Volume Calculator

Volume (cu ft): —
Volume (cu yd): —
60 lb bags: —
80 lb bags: —

Ready-mix in cubic yards, or bag count (60 lb = 0.45 cu ft, 80 lb = 0.6 cu ft).

Asphalt Tonnage Calculator

Coverage (sq ft): —
Volume (cu yd): —
Est. weight (lb): —
Est. weight (ton): —

Asphalt hot mix density: ~145 lb/cu ft (3,915 lb/cu yd).

Drywall Materials Calculator

Wall area: 352 sq ft
Ceiling area: 120 sq ft
Openings deducted: 51 sq ft
Net area: 421 sq ft
Total w/ waste: 463.1 sq ft
Sheets needed: 15

Shopping List

  • • 15 sheets of 4' × 8' drywall
  • • 14 × 5-gal buckets of joint compound (3 coats, all-purpose)
  • • 4 × 75-ft rolls of paper tape (with corners)
  • • 1 × 5-lb boxes of screws (16" OC)