B2390B91 Fall Protection System Design Drawings 27 Oct 26.pdf

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Request for Quote (RFQ) Modification to FA8571-26-C-0040: L6WA18 B2390 and B91 Overhead Fall Protection System
Solicitation number
FA857127Q5430
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Written by GovTribe AI ·

This document is a technical specification drawing for a Mobile Rainbow Fitting Stand, dated 27 October 2026, Revision 1 (shown in red markings).

The fitting stand is a mobile equipment assembly featuring a 3-inch diameter by 0.154-inch thick aluminum 6061-T6 alloy swivel base with locking capability, measuring 9.25 inches high by 8 inches diameter by 2 inches wide. The structure includes 26-inch by 9-inch steps spaced 9 inches apart at a 21-degree angle from horizontal, with a 500-pound rated capacity medium-duty plate or grate. The stand incorporates 1.5-inch diameter by 0.3-inch thick aluminum 6061-T6 alloy components with 0.535-inch diameter holes and a 111-degree angle configuration. Revision 1 modifications include increasing the diameter to 54 inches, expanding the grate angle to 40 degrees, adding a 30-inch cantilever plank between posts, and implementing a 25-inch by 12-inch by 0.5-inch thick base extension. The technical notes specify the addition of hoist hooks for lifting, replacement of plates with screw-down jacks at four corners, and optional addition of a second set of steps on the opposing side. An outrigger slide fitting detail is included in the lower right portion of the drawing.

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Other files

File Type Posted
FA8571-26-0040 P00001 Bay 7-Rainbow Stand Letter RFQ.pdf PDF
L6WA18 2390 Building_Schematic-Distro A (1).pdf PDF
L7WA05 FAS JA 29 Oct 26 Bay 7 signed_Redacted.pdf PDF

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MOBILE RAINBOW

FITTING STAND

3" DIAMETER X 0.154"

THICK ALUMINUM

6061-T6 ALLOY

SWIVEL

LOCKING

9.25"Hx8" DIAMETERx2"W

26"x9"

STEPS 9"

APART

3.5"x0.5"

2 BOLTS

E.A.

21° FROM

HORIZONTAL

MEDIUM DUTY PLATE OR GRATE

WITH RATED 500 LB CAPACITY

1.5" DIAMETER x .3"

THICK ALUMINUM

6061-T6 ALLOY

.535"D HOLES

ANGLE

111°

27 Oct 2026 rev 1 in red

1595307836C Oval increase by 12"

1595307836C Callout Increase by 12"

1595307836C Callout Remove and add two additional supports

1595307836C Rectangle

1595307836C Rectangle

1595307836C Text Box

1. Add hoist hooks for lifting

2. Instead of plates replace with screw down jacks in a 4 corners

3. If possible add another set of steps on the other side

1595307836C Polygonal Line

1595307836C Callout Cantilever Plank 30" long to fit between posts

1595307836C Callout Increase to 40"

1595307836C Oval

File details come from the government source that posted it. Updated .