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Critical Lift · OSHA 1926.1431 · ASME B30.5
Load calculation, rigging selection, ground bearing pressure, and crew sign-off. OSHA 1926.1431 personnel basket plans with 50% derating built in. PDFs for the project file.
14-day free trial · No credit card · Lift plans + basket plans included
A short routine lift takes a minute. The plan only asks for the extra critical-lift detail when it hits the threshold. Same form scales from a 15% utilization shake to a tandem pick over occupied space.
Enter load weight, radius, and configuration. The plan computes capacity percentage and auto-flags critical-lift status at 75% — surfacing the extra documentation those lifts need without the planner remembering to switch templates.
Capacity defaults to 50% per the rule so the planner can't accidentally exceed the derate. Trial-lift, anti-two-block, dedicated comms, and competent-person sign-off all prompted.
Sling type, working load limit, hitch configuration, sling angle factor. Tag rigging from inventory or enter ad-hoc. The PDF references the standard so QA / safety can audit selection downstream.
Outrigger pad size and ground condition inputs produce a GBP estimate the planner verifies against soil capacity or mat rating. Engineer's stamp field stays on the PDF for heavy-soil jobs.
Operator, rigger, signal person, and lift director sign on the same plan in the field. Timestamped digital signatures carry into the PDF — no paper packet to lose between yard and jobsite.
A crane marked Non-Operable on a recent inspection can't be selected for a new lift plan. Catches the failure mode where the deficiency tag never made it to the dispatch board.
The lift plan lives alongside daily / monthly / annual crane inspections and the deficiency-to-mechanic workflow. One login, one billing account, one fleet roster.
Installable PWA that opens without signal and caches recently-viewed routes. Open a lift plan in a cell-dead substation or a rural pad — the app still loads, and crews complete and submit the full plan offline. It saves on the device and syncs automatically when you reconnect.
Every plan exports to PDF with the calculations, sign-offs, and equipment context. Slot it into the project file or hand it to a GC's safety team without rekey.
Select from the fleet. Capacity chart, outrigger spread, and current operational status load from the equipment record.
Load weight, radius, rigging, ground conditions. Capacity % calculates live. If you cross 75% the critical-lift detail unfolds automatically.
Operator, rigger, signal person, lift director sign on the same plan. PDF exports, audit log records the sign-off, and the lift is live.
FAQ · BEFORE YOU ASK
Industry consensus and most general contractor prequalification programs treat a lift as critical when load weight reaches 75% or more of the crane's rated capacity at the planned radius and configuration, when the load is suspended over personnel, when a personnel basket is rigged, when multi-crane (tandem) lifts are required, or when the load is unique-shape / one-of-a-kind. DigiDocs auto-flags lifts at the 75% threshold and prompts for the additional documentation those lifts require.
Personnel basket plans default the crane's rated capacity to 50% per 1926.1431(d)(1) so the planner can never accidentally exceed the derate. The form prompts for pre-lift trial-lift documentation, anti-two-block confirmation, dedicated communication, and trained competent-person sign-off — all the conditions the rule requires before personnel can be hoisted.
Yes. The lift plan workflow scales with the lift. A short routine lift fills out in under a minute — load weight, rigging, radius, signed. A critical lift surfaces the extra fields automatically. Use the same workflow for everything and the audit trail is consistent.
The lift plan captures outrigger pad size and ground condition with a calculated GBP estimate, so the planner can verify against the soil bearing capacity or the published mat rating. It's a planning aid, not a substitute for a qualified engineer's calculation on heavy-soil lifts — the field for the engineer's stamp is included on the PDF.
Yes. Crew sign-off captures digital signatures from the operator, rigger, signal person, and lift director on the same plan. The PDF export carries all signatures with timestamps. No paper to lose.
Yes — the lift plan is gated on equipment status. A crane marked Non-Operable on a recent inspection cannot be selected for a new lift plan until the deficiency is repaired and verified. This catches the failure mode where dispatch sends a unit to a job because the field paperwork didn't make it back to the office.
14-day free trial. No credit card. Lift plans, basket plans, and inspections included.
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