🏗️ ASME A120.1 / OSHA 1910.66 Window Washing Davits (1,000 Lb SWL / 4:1 Safety)

Commercial Roof Davit Arm & Pedestal Calculator

Calculate structural roof davit arm and fixed pedestal base reactions for exterior high-rise window washing and facade maintenance under ASME A120.1: calculate cantilever outreach bending moments (Lb-Ft resisting 1,000 lb working load with 4:1 safety factor to yield), anchor bolt pullout tension, and specialty rigging contractor profits.

1. Project & Operating Inputs

Fixed Roof Pedestals Installed (Pedestal Count e.g. 16 Pedestals)

Davit Arm Outreach Reach (Feet e.g. 8.0 ft Cantilever Outreach)

Customer Bid Price for Supplied & Certified Davit System ($)

Galvanized Pedestals, Aluminum Davit Boom, Through-Bolts & PE Review ($)

2. Financial Breakdown & Yield

ASME A120.1 WINDOW WASHING DAVITS

Turnkey Davit System Profit

Facade Access Contractor Margin

0.0%

Gross Revenue / Bill

Total Project CapEx

Operating / Material Cost