🔗 Sequence
Steel Erection Sequence
Structural steel erection follows: 1) Anchor bolt survey and verification, 2) Column erection with temporary bracing, 3) Beam/girder placement, 4) Plumbing and alignment, 5) Connection bolting/welding, 6) Metal deck installation, 7) Shear stud welding, 8) Permanent bracing, 9) Touch-up fireproofing.
🔗 Sequence
Site Work and Grading Sequence
Site preparation sequence: 1) Survey/staking, 2) Tree protection/clearing, 3) Erosion controls (SWPPP), 4) Demolition, 5) Rough grading, 6) Underground utilities (storm, sewer, water, gas, electric, telecom), 7) Sub-base preparation, 8) Fine grading, 9) Paving/landscaping.
🔗 Sequence
Elevator Installation Sequence
Elevator sequence: 1) Hoistway complete (plumb, square), 2) Machine room ready, 3) Guide rails installed, 4) Controller and wiring, 5) Car assembly, 6) Door operators, 7) Safety devices, 8) Adjustments, 9) Load test, 10) State inspection and certification.
🔗 Sequence
Concrete Slab-on-Grade Sequence
Slab construction: 1) Sub-grade compaction (95% Proctor), 2) Vapor barrier (10-15 mil), 3) Gravel base (4-6 in), 4) Edge forms, 5) Rebar/mesh placement on chairs, 6) Pre-pour inspection, 7) Concrete placement, 8) Finishing (screed, float, trowel), 9) Curing (7+ days).
🔗 Sequence
MEP Commissioning Sequence
System commissioning sequence: 1) Pre-functional checklists, 2) Equipment startup, 3) TAB (Testing, Adjusting, Balancing), 4) Functional performance testing, 5) Integrated systems testing, 6) Seasonal testing (6-12 months post-occupancy). Required by ASHRAE 90.1.