Agenda - Council - 02/11/2020 - Laserfiche WebLink

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RespondentlD StartDate Is there anything else you'd like to share about your use or non-use of chipseals? 4273372900 10/21/2015 Almost appears to be worse on roads with multiple chip seals. Maybe something to do with moisture getting trapped between the chip seal and the wear course. 4273395006 10/21/2015 Based on analysis done on our streets by Tom Wood @ MnDOT, the failure seems to be due to high air voids in the wearing course (possibly due to poor compaction). 4273399156 10/21/2015 Chip seal stripping, from our experience, has been late in the chip seal's life (year 5-7). Our specification on tack material is for a CRS-2P/CRS-2 (MnDOT Spec 3151) with an FA-2 Modified 1/8" aggregate. Not entirely sure if the CRS-2P/CRS-2 material is a polymer modified emulsion or not. 4278472353 10/23/2015 I have observed that the quantity of road salt that is placed on the road in the winter, affects the amount and area where stripping failure occurs. Please contact me if you would like to discuss. By Paul Pearson, PE, Sambatek, Inc. (ppearson@sambatek.com) 4274077158 10/21/2015 I have told our City Council for last 2 years that we no longer should do seal coating. No plans to start it up again. 4273391423 10/21/2015 I'm torn between answering number 6 as "unknown" instead of "no." Most of our roads built since the 90s have been chip sealed. The roads which haven't been chip sealed are really old roads built in the 80s (or earlier) that are now dilapidated in more ways than one. 4274626934 10/21/2015 In general, Albert Lea has not experienced a problem with this. 4273379811 10/21/2015 In regard to 6, we have limited number of non seal coated streets thus no answer. We have experienced striping below seal coat on streets paved around 1997 which is prior to us specifying anti strip additives in the bit pavement mix. The seal coats on those streets appeared to do little to prevent stripping in the mix. 4273428867 10/21/2015 Lakeville has gone away from the use of chip seals primarily because of the raveling issue, but also because we have we have started using c-oil with our bituminous mix designs, and have seen less thermal cracking, and therefore can better manage surface failures with crack filling alone. 4273512769 10/21/2015 LOIS VI IFIIV aL)Vul. FIVrl-use ula[ I WVulu love 10 Snare! nVWever, we use VI UIIp seals should all come down to a simple question: did the use extend the life of a street and safe money. In most cases and in my opinion, it cost cities millions more to use a chip seal vs. not using them. Even if there was just minor stripping and potholes, that cost still negates the benefits of using a chip seal. There are many cities that have not used chip seals and instead put the same money into crack filling and overlays. Their streets look great and they are not looking at spending millions to correct a problem that nobody can with 100% certainty tell us how to correct. If this answer to this question was known, Klayton would not have had to send this survey out. 4274195066 10/21/2015 Not finding chipseals indicated for the distresses associated with local roads. Our focus is on routing and sealing cracks and reserving resources for thin overlays to extend pavement life when patching/ride/visuals prompt complaints. There is discussion from time to time whether some sort of surface treatment is desired by the community for aesthetic purposes. 4276394004 10/22/2015 Only 3 projects done-2008, 2014 & 2015. These are thin sealcoats with a fine FA-2 trap rock. 4273380854 10/21/2015 Our focus is now on mill and overlay as we are dedicating more money to addressing the chip seal issue. 4273393443 10/21/2015 Past practice was to chipseal to the amount budgeted, which resulted in a 50 year rotation on bit streets. We now budget based on a goal of 7 year rotation, with a budget reality of about 12. 4273378017 10/21/2015 Since chip seals have not been used in over 20 years, streets that were sealed have since been overlaid or reconstructed. Not able to give condition related to stripping as a result. K-10