Category:612 Impact Attenuators: Revision history

17 November 2021

• curprev 10:5810:58, 17 November 2021‎ Smithk talk contribs‎ m 20,862 bytes +1,194‎ Per EPS, revision supports the reclassification in the QPL; revision also provides guidance on when WZ crash cushions are to be used and when to reference the QPL for approved devices. Sand barrels do not fit in every project and WZ crash cushions are the alternative.

28 October 2020

• curprev 12:3812:38, 28 October 2020‎ Smithk talk contribs‎ m 19,668 bytes +52‎ →‎612.3 Construction Inspection Guidelines
• curprev 12:1512:15, 28 October 2020‎ Smithk talk contribs‎ m 19,616 bytes +531‎ Per EPS, update to clarify how the sand barrel impact attenuator arrays are paid for and used in work zones.

11 December 2018

• curprev 10:5110:51, 11 December 2018‎ Smithk talk contribs‎ m 19,085 bytes +16‎ →‎612.1.2 MoDOT Protective Vehicle/TMA Marking and Lighting: Per TS, the study for the effectiveness of the TMA light bar is complete and is now permanently optional instead of a "should".

23 August 2018

• curprev 08:1108:11, 23 August 2018‎ Oligst1 talk contribs‎ m 19,069 bytes +2‎ Per TS, minor spacing correction

7 August 2018

• curprev 08:5308:53, 7 August 2018‎ Smithk talk contribs‎ m 19,067 bytes −44‎ →‎612.1.5 MoDOT Protective Vehicle/TMA Operator’s Training
• curprev 08:4808:48, 7 August 2018‎ Smithk talk contribs‎ 19,111 bytes +1,171‎ Per TS, sand barrel impact attenuator setup will now be based on manufacturer's recommendations instead of std plans. WZ durations have been revised. New guidance clarifies when flashing arrow panel and lights on TMA should be active.

8 March 2018

• curprev 12:5812:58, 8 March 2018‎ EPGsysop talk contribs‎ m 17,940 bytes −6‎ →‎612.1.3 MoDOT Protective Vehicle/TMA Guidelines
• curprev 10:4910:49, 8 March 2018‎ EPGsysop talk contribs‎ m 17,946 bytes +228‎ →‎612.1.3 MoDOT Protective Vehicle/TMA Guidelines: Per TS, the TMA Light Bar is now temporarily optional and not required to be purchased for use.

6 July 2016

• curprev 06:4606:46, 6 July 2016‎ Smithk talk contribs‎ 17,718 bytes +1‎ →‎612.1.2.2.2 Mobile Operations

9 June 2016

• curprev 09:0009:00, 9 June 2016‎ Smithk talk contribs‎ m 17,717 bytes +8‎ updated link

12 March 2014

• curprev 10:0410:04, 12 March 2014‎ Smithk talk contribs‎ m 17,709 bytes −74‎ Per Traffic, deletec obsolete video

17 January 2014

• curprev 07:5607:56, 17 January 2014‎ Smithk talk contribs‎ m 17,783 bytes −6‎ No edit summary
• curprev 07:5107:51, 17 January 2014‎ Smithk talk contribs‎ m 17,789 bytes +62‎ added latest TMA safety points video

31 October 2013

• curprev 07:0807:08, 31 October 2013‎ Smithk talk contribs‎ m 17,727 bytes 0‎ →‎612.1 Protective Vehicles (MUTCD "Shadow Vehicle")
• curprev 07:0807:08, 31 October 2013‎ Smithk talk contribs‎ 17,727 bytes +4,209‎ →‎612.1 Protective Vehicles (MUTCD "Shadow Vehicle"): added table of pros and cons
• curprev 06:2406:24, 31 October 2013‎ Smithk talk contribs‎ m 13,518 bytes +43‎ →‎612.1.5 MoDOT Protective Vehicle/TMA Operator’s Training: added link

30 October 2013

• curprev 14:2714:27, 30 October 2013‎ Smithk talk contribs‎ 13,475 bytes +3,161‎ Per Traffic, additional guidance for stationary and mobile operations, hauling criteria and operator's training.

17 April 2013

• curprev 07:1207:12, 17 April 2013‎ Smithk talk contribs‎ m 10,314 bytes −3‎ No edit summary
• curprev 07:1107:11, 17 April 2013‎ Smithk talk contribs‎ m 10,317 bytes +349‎ added safety video, TMA Safety Points

8 March 2013

• curprev 08:2608:26, 8 March 2013‎ Smithk talk contribs‎ m 9,968 bytes +5‎ new photo, per Traffic

29 October 2012

• curprev 07:2507:25, 29 October 2012‎ Smithk talk contribs‎ m 9,963 bytes +396‎ →‎612.1 Truck- and Trailer-Mounted Attenuators: Per Traffic, additional guidance about hauling material in the back of a TMA.

4 January 2011

• curprev 12:1012:10, 4 January 2011‎ Smithk talk contribs‎ 9,567 bytes +223‎ →‎Table 612.1 Use of TMAs: Per Traffic, TMA guidance for incident response operations.

2 April 2010

• curprev 13:5613:56, 2 April 2010‎ Smithk talk contribs‎ m 9,344 bytes +11‎ minor clarifications to differentiate EPG articles (that are referenced as "articles", not "sections") from specifications (that are referenced as "sections")

20 August 2009

• curprev 09:2509:25, 20 August 2009‎ Smithk talk contribs‎ m 9,333 bytes +35‎ Clarification of what is included in the TMA pay item (per Sec 612). The warning signs are not included.

15 June 2009

• curprev 11:2711:27, 15 June 2009‎ Smithk talk contribs‎ m 9,298 bytes −1,767‎ Moved Mtc. planning guide to its own 612 article page (EPG 612.5)
• curprev 11:1511:15, 15 June 2009‎ Smithk talk contribs‎ 11,065 bytes +263‎ →‎Table 612.1 Use of TMAs: EPG-approved revision to increase MoDOT workers' safety by requiring a minimum support vehicle when trailer mounted attenuators are used on interstates.

2 June 2009

• curprev 09:1809:18, 2 June 2009‎ EPG-Admin talk contribs‎ 10,802 bytes −261‎ No edit summary

20 May 2009

• curprev 11:1411:14, 20 May 2009‎ Smithk talk contribs‎ m 11,063 bytes +1‎ →‎Table 612.1 Use of TMAs: article construction
• curprev 11:0611:06, 20 May 2009‎ Smithk talk contribs‎ 11,062 bytes +264‎ →‎Table 612.1 Use of TMAs: Revision is to increase MoDOT workers' safety by requiring a minimum support vehicle when trailer mounted attenuators are used on interstates.

19 December 2008

• curprev 15:0915:09, 19 December 2008‎ Smithk talk contribs‎ m 10,798 bytes −147‎ article construction

16 December 2008

• curprev 12:4912:49, 16 December 2008‎ Smithk talk contribs‎ m 10,945 bytes −2‎ →‎Table 612.1 Use of TMAs: article construction

18 June 2008

• curprev 10:3110:31, 18 June 2008‎ Smithk talk contribs‎ m 10,947 bytes +10‎ article construction
• curprev 10:3010:30, 18 June 2008‎ Smithk talk contribs‎ 10,937 bytes +221‎ Trailer-mounted attenuator info added

25 April 2008

• curprev 10:1210:12, 25 April 2008‎ Smithk talk contribs‎ m 10,716 bytes +164‎ article construction
• curprev 09:5009:50, 25 April 2008‎ Smithk talk contribs‎ m 10,552 bytes −32‎ article construction

28 December 2007

• curprev 13:3213:32, 28 December 2007‎ Smithk talk contribs‎ 10,584 bytes +1,890‎ maintenance planning guidelines added

16 October 2007

• curprev 09:0709:07, 16 October 2007‎ Smithk talk contribs‎ m 8,694 bytes +98‎ article construction
• curprev 09:0509:05, 16 October 2007‎ Smithk talk contribs‎ m 8,596 bytes −53‎ article construction
• curprev 08:5208:52, 16 October 2007‎ Smithk talk contribs‎ m 8,649 bytes +633‎ article construction

30 April 2007

• curprev 13:4113:41, 30 April 2007‎ Smithk talk contribs‎ m 8,016 bytes +19‎ article construction
• curprev 13:3413:34, 30 April 2007‎ Smithk talk contribs‎ m 7,997 bytes +1,721‎ new info on TMAs

23 March 2007

• curprev 08:2508:25, 23 March 2007‎ Smithk talk contribs‎ m 6,276 bytes +5‎ →‎612.3 Construction Inspection Guidelines for [http://www.modot.mo.gov/business/standards_and_specs/Sec0612.pdf Sec 612]: article construction
• curprev 08:1008:10, 23 March 2007‎ Smithk talk contribs‎ m 6,271 bytes 0‎ article construction
• curprev 08:0608:06, 23 March 2007‎ Smithk talk contribs‎ m 6,271 bytes +2,189‎ addition of General Construction Manual material

16 March 2007

• curprev 12:4912:49, 16 March 2007‎ Smithk talk contribs‎ 4,082 bytes +1,094‎ WZ information for TMAs added

30 January 2007

• curprev 15:3115:31, 30 January 2007‎ Smithk talk contribs‎ m 2,988 bytes +2‎ article construction

23 January 2007

• curprev 11:1811:18, 23 January 2007‎ Smithk talk contribs‎ m 2,986 bytes +483‎ →‎612.2 Sand-Filled Impact Attenuators (Sand Barrels): article construction
• curprev 10:2810:28, 23 January 2007‎ Smithk talk contribs‎ m 2,503 bytes +10‎ →‎612.2 Sand-Filled Impact Attenuators (Sand Barrels): article construction
• curprev 09:5309:53, 23 January 2007‎ Smithk talk contribs‎ m 2,493 bytes +2,493‎ article construction