{"id":2643,"date":"2023-10-16T15:02:37","date_gmt":"2023-10-16T18:02:37","guid":{"rendered":"https:\/\/www.sdbj.gouv.qc.ca\/james-bay-territory\/thawing-load-restriction-period\/"},"modified":"2024-03-25T16:38:12","modified_gmt":"2024-03-25T20:38:12","slug":"thawing-load-restriction-period","status":"publish","type":"page","link":"https:\/\/www.sdbj.gouv.qc.ca\/en\/road-maintenance-services\/thawing-load-restriction-period\/","title":{"rendered":"Thaw \u2013 Load restrictions period"},"content":{"rendered":"\n
BACKGROUND<\/strong>

During the thaw period, roads are between 30 and 70% more fragile than usual, since their layers of granular materials are weakened by water accumulation at various depths. Overweight vehicles can cause significant damage during this period, and their impact is even more pronounced as their numbers have increased considerably over the past 25 years.

A slight reduction in loads can significantly decrease the damage to the road surface. That is why heavy vehicles are subject to load restrictions during the thaw period on roads managed by the Minist\u00e8re des Transport et de la Mobilit\u00e9 durable (MTMD).

To safeguard public investments in Route Billy-Diamond, which is not subject to MTMD load limits, a measure was implemented in collaboration with carriers in spring 2021 to reduce the loads they transport during the specified thaw period.

This measure is needed because the geographical location and harsh weather conditions of Route Billy-Diamond make it particularly vulnerable to damage during the thaw. In spring, frost depth in the Baie-James region typically extends more than two meters below the road surface.

In order to monitor road thaw progress and determine the period during which carrier collaboration is needed, the Soci\u00e9t\u00e9 de d\u00e9veloppement de la Baie-James (SDBJ) has installed sensors along Route Billy-Diamond and Chemin Chisasibi. Weather forecasts are also taken into account. The SDBJ conducts daily monitoring as soon as temperatures begin to rise close to the freezing point.

On Route Billy-Diamond, the start of the thaw load restriction period coincides with that of MTMD Zone 3. The MTMD road network management framework<\/a> for the thaw period is also taken into consideration to establish the maximum load of heavy vehicles on Route Billy-Diamond.  <\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

TARGET USERS<\/h2>\n\n\n\n

The primary heavy haulers planning transport on Route Billy-Diamond: Hydro-Qu\u00e9bec, active mine operators and forestry companies.<\/p>\n\n\n\n

Other heavy vehicle users, owners and operators, as well as shippers and transportation intermediaries, are also encouraged to follow the load restrictions below during the thaw period.<\/p>\n\n\n\n

METHOD USED TO DETERMINE THE THAW LOAD RESTRICTION PERIOD<\/h3>\n\n\n\n

Start <\/strong><\/strong><\/p>\n\n\n\n

On Route Billy-Diamond, the start of the thaw load restriction period coincides with that of MTMD Zone 3. Visit the MTMD portal for information on the Zone 3 thaw period<\/a>.<\/p>\n\n\n\n

End <\/strong><\/p>\n\n\n\n

The load restriction period for Route Billy-Diamond comes to an end 35 days after the date that three of its seven sensors (six frost depth gauges and the Matagami road weather station) indicate a thaw to at least 90 cm in depth. This represents the time needed for the road structure to drain and recover its load-bearing capacity.<\/p>\n\n\n\n

Past load restriction periods on Route Billy-Diamond<\/strong><\/p>\n\n\n\n

 <\/u><\/strong><\/td>2023<\/strong><\/td>2024<\/strong><\/strong><\/td><\/tr>
Start of thaw <\/u><\/strong><\/td>April 17<\/td>MTMD Zone 3<\/strong><\/a><\/td><\/tr>
End of thaw <\/u><\/strong><\/td>June 2<\/td>TBD<\/u><\/strong><\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

Thaw load restriction period:<\/h3>\n\n\n\n

Axle and total load limits<\/h3>\n\n\n\n

To limit road degradation and protect the road network during the thaw period, Route Billy-Diamond users are encouraged to follow the same load restrictions as those required on roads managed by the MTMD. These load limits are prescribed by the Vehicle Load and Size Limits Regulation<\/em> and presented in the Road Vehicle Load and Size Limits Guide<\/a><\/p>\n\n\n

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CONTACT US<\/h3>\n\n\n\n

If you have any questions about the thaw load restriction period on Route Billy-Diamond, contact:<\/p>\n\n\n\n

Affected carriers must promptly contact the Soci\u00e9t\u00e9 de d\u00e9veloppement de la Baie-James if an emergency requires them to transport loads exceeding the thaw period load limits.<\/p>\n\n\n\n

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\n

G\u00e9rard Djakou<\/p>\n\n\n\n

Director, Road Maintenance Services<\/p>\n<\/div><\/div>\n\n\n\n

Soci\u00e9t\u00e9 de d\u00e9veloppement de la Baie-James<\/p>\n\n\n\n

110, boul. Matagami, C.P. 970, Matagami (Qu\u00e9bec) J0Y 2A0<\/p>\n\n\n\n

Telephone: 819 739-4717, ext. 1248, Fax: 819 739-4329<\/p>\n\n\n\n

Pager: 819 638-2424 #8791, Cell: 873 995-1493<\/p>\n\n\n\n

gdjakou@sdbj.gouv.qc.ca<\/a><\/p>\n<\/div>\n<\/div><\/div>\n<\/div><\/div>\n<\/div><\/div>\n\n\n\n

<\/a><\/p>\n\n\n\n

<\/p>\n","protected":false},"excerpt":{"rendered":"

BACKGROUND During the thaw period, roads are between 30 and 70% more fragile than usual, since their layers of granular materials are weakened by water accumulation at various depths. Overweight vehicles can cause significant damage during this period, and their impact is even more pronounced as their numbers have increased considerably over the past 25 […]<\/p>\n","protected":false},"author":13,"featured_media":0,"parent":47,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_acf_changed":false,"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"footnotes":""},"class_list":["post-2643","page","type-page","status-publish","hentry"],"acf":[],"yoast_head":"\nThaw \u2013 Load restrictions period - Qu\u00e9bec<\/title>\n<meta name=\"description\" content=\"Heavy vehicle users and shippers are reminded that permissible load limits are reduced during the spring thaw every year, in accordance with the bearing capacity of the road network during that time.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.sdbj.gouv.qc.ca\/en\/road-maintenance-services\/thawing-load-restriction-period\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Thaw \u2013 Load restrictions period - 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