Subpart CC
All listed operational aids in 1926.1416 are required on equipment covered by this subpart unless the standard says otherwise. See the list of required operational aids in 1926.1416(a).
No. Paragraphs (e)(1), (e)(2), and (e)(3) do not apply to articulating cranes. See the specific exclusion at 1926.1416(a)(1).
The requirements in paragraphs (d)(3), (e)(1), and (e)(4) apply only to digger derricks manufactured after November 8, 2011. See 1926.1416(a)(2).
Operations must not begin unless the listed operational aids are in proper working order, unless the employer implements specified temporary alternative measures while repairing the aid. See 1926.1416(b).
The operator must safely stop operations until the temporary alternative measures are implemented or the device is again working properly. See 1926.1416(c).
If a replacement part is no longer available, you may use a substitute device that performs the same type of function, and that substitute is not treated as a modification under 1926.1434. See 1926.1416(c) and the related modification rule at 1926.1434.
Category I operational aids listed in paragraph (d) must be repaired no later than 7 calendar days after the deficiency occurs, unless documented parts ordering extends the schedule as described in the exception. See 1926.1416(d) and the related documentation requirement in 1926.1417(j).
Equipment manufactured after December 16, 1969 must be equipped with a boom hoist limiting device; if the device is not working, you must use one or more temporary alternative measures listed in 1926.1416(d)(1)(i). See 1926.1416(d)(1).
You must use at least one temporary alternative: (A) use a boom angle indicator; (B) clearly mark the boom hoist cable and install mirrors or cameras/displays if needed so the operator can see the mark; or (C) clearly mark the cable so a spotter can see it and give the operator enough time to stop the hoist. See 1926.1416(d)(1)(i)(A), 1926.1416(d)(1)(i)(B), and 1926.1416(d)(1)(i)(C).
If equipment was manufactured on or before December 16, 1969 and is not equipped with a boom hoist limiting device, you must use at least one of the temporary measures listed in [1926.1416(d)(1)(i)(A)–(C)]. See 1926.1416(d)(1)(ii).
Equipment with a luffing jib must have a luffing-jib limiting device, and if it's not working you must use the same temporary alternative measures as for boom hoist limiting devices (marking, indicators, mirrors/cameras, or spotters) but applied to limit luffing-jib movement. See 1926.1416(d)(2) and 1926.1416(d)(1)(i).
Anti two-blocking devices are required as follows: telescopic boom cranes manufactured after February 28, 1992; lattice boom cranes manufactured after February 28, 1992 must have devices that either automatically prevent damage or warn the operator; lattice boom cranes and derricks manufactured after November 8, 2011 must have automatic prevention devices; articulating cranes with a load hoist manufactured after December 31, 1999 must have automatic prevention devices. See 1926.1416(d)(3), 1926.1416(d)(3)(i), 1926.1416(d)(3)(ii)(A), 1926.1416(d)(3)(ii)(B), and 1926.1416(d)(3)(iii).
Temporary alternatives include clearly marking the hoist cable so the operator can see it in time to stop the hoist to prevent two-blocking, and/or using a spotter when extending the boom. See 1926.1416(d)(3)(ii)(D) and 1926.1416(d)(3).
Category II operational aids listed in paragraph (e) must be repaired no later than 30 calendar days after the deficiency occurs, except where documented parts ordering within 7 days extends repair to 7 calendar days after parts are received. See 1926.1416(e) and 1926.1417(j).
For a boom angle or radius indicator not working, radii or boom angle must be determined by measuring with a measuring device; for jib angle indicator not working, determine main boom angle and then measure radii or jib angle with a measuring device. See 1926.1416(e)(1) and 1926.1416(e)(2).
You can (i) mark the boom with measured marks to calculate boom length, (ii) calculate boom length from boom angle and radius measurements, or (iii) measure the boom with a measuring device. See 1926.1416(e)(3)(i), 1926.1416(e)(3)(ii), and 1926.1416(e)(3)(iii).
Equipment (other than derricks and articulating cranes) manufactured after March 29, 2003 with rated capacity over 6,000 pounds must have a load weighing device, load moment indicator, or load moment limiter; temporary alternatives require determining the load weight from an industry-recognized source or calculation and providing that information to the operator prior to the lift. See 1926.1416(e)(4)(i). Additionally, articulating cranes manufactured after November 8, 2011 have related requirements in 1926.1416(e)(4)(ii).
For equipment manufactured after November 8, 2011, (e)(5)(i) requires an outrigger/stabilizer position sensor/monitor if the equipment has outriggers or stabilizers—temporary alternative is that the operator must verify outrigger/stabilizer position per manufacturer procedures before operations; (e)(5)(ii) requires a hoist drum rotation indicator if the hoist drum is not visible from the operator's station—temporary alternative is to mark the drum to indicate rotation and use mirrors or remote video displays if needed. See 1926.1416(e)(5)(i) and 1926.1416(e)(5)(ii).
When a manufacturer specifies more protective alternative measures, those measures must be followed in place of the temporary alternatives in 1926.1416. See 1926.1416(b).
If parts are needed, the employer must document that it ordered the necessary parts within 7 calendar days of the deficiency to qualify for the exception extending repair time; additional requirements are in [1926.1417(j)]. See 1926.1416(d) and 1926.1417(j).
If two-blocking could occur without movement of the load hoist, you must clearly mark the cable so the operator can see it in time to stop the hoist and use a spotter when extending the boom until the anti two-blocking device is repaired. See 1926.1416(d)(3)(iii) and 1926.1416(d)(3).
Articulating cranes manufactured after November 8, 2011 must have at least one of the following: automatic overload prevention device, load weighing device, load moment (or rated capacity) indicator, or load moment (rated capacity) limiter. See 1926.1416(e)(4)(ii).
Yes. Mirrors or remote video cameras and displays may be installed if necessary so the operator can see marked cables or drum rotation marks as part of temporary alternative measures, for example under 1926.1416(d)(1)(i)(B) and 1926.1416(e)(5)(ii).