2012-11-27_PWETC_AgendaPacket - Laserfiche WebLink

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Snow & Ice Management Products Liquid Products - -Anti Icing Lowest Temp Price /gal Application Rate Cost per lane mile Comments: Attachment D Brine -Salt in a 23% water solution 15 $0.30 20 -50 gal /Im $6 -$15 Cheap and effective at temps over 20 Green Guard (75% brine, 25% Beet Juice -mixed in house) -15 $0.71 29 -43 gal /Im $20 -$30 Trial this year, said to work at lower temps and reduce corrosion while reducing chloride approx 20% Apex Meltdown -Mag Cl with Organic additive -8 $1.05 12 -25 gal /Im $12 -$26 Considering trial this year Road Guard Plus 8- Primarily Cal Cl w/ mag, additives -45 $1.97 9 -13 gal /Im $18 -$25 Works to far colder temps than Mag Cl, 85 % less corrosive than NaCl Apogee- Proprietary Humecant Blend 10 $4.65 20 -50 gal /Im $93 -$232 Non - chloride, biodegradable CF7- Potassium Acetate -25 $6.05 25 -60 gal /Im $151 -$363 Non - chloride, biodegradable. Can be used for de -icing at double rate Granular Products -Small Scale /Sidewalks Lowest Temp Price /lb Application Rate Cost per 1000 sq ft Comments: Professional Ice Melter- Chloride Blend, Primarily NaCl -16 $0.18 2- 8lb/1000 sq ft $.36 -$1.44 Inexpensive and most effective at higher temps, effectiveness decreases as temp goes down. Price includes delivery Artic Thaw -Salt treated with beetjuice -25 $88 Lower than salt... ** $13- $22 * ** This is our current de -icer for the campus. This year, we are going to try Green Guard after sweeping to reduce the Ice Slicer -90% salt +mag, cal, and potasium chloride 5 $138 Lower than salt... ** $20- $34 * ** need for a granular de -icer. De -icer applications have already been reduced by calibrating spreaders, using hand Clear Lane-96% NaCl with 1 %Mag & other additives "Below zero" $80 * * ** Lower than salt... ** $16 -24 * ** spinners instead of scoops at entryways, and applying brine before snow events Eco -Thaw, Salt with Beet Juice Coating -25 $0.15 2 -81b /1000 sq ft est $.30 -$1.20 Works well on thick ice, granule size too large for use after sweeping sidewalks Ice Eater-60% NaCl, 20% Cal, 20 %Mag -25 $0.25 Unknown Ruduced sodium use, "hotter" mix with higher proportions of cal and mag NAAC - Sodium Acetate 0 $1.35 5- 10lb/1000 sq ft $6.77 - $13.54 Very low toxicity, faster melt, biodegradable, less tracking ... 9 times more expensive that Treated salt by area Granular Products -Large Scale Lowest Temp Price /ton Application Rate Cost per lane mile Comments: Rock Salt 15 $71 400- 6001b* $14 -$21 Inexpensive and most effective at higher temps, effectiveness decreases as temp goes down. Price includes delivery Artic Thaw -Salt treated with beetjuice -25 $88 Lower than salt... ** $13- $22 * ** FOB Ice Slicer -90% salt +mag, cal, and potasium chloride 5 $138 Lower than salt... ** $20- $34 * ** FOB Clear Lane-96% NaCl with 1 %Mag & other additives "Below zero" $80 * * ** Lower than salt... ** $16 -24 * ** Delivered Thawrox-93% NaCl with 1 %Mag & other additives 5 $80 * * ** Lower than salt... ** $16 -24 * ** Delivered *Common rate when temps are between 20 -30 degrees for rock salt, increase rate as temp decreases * *Many salt alternatives claim "lower application rates" without specifics. 20% to 30% less is often cited ** *Used 300 -500 as rates, assuming a reduction of 1OO1b per lane mile. Lower cost per lane mile only achievable if the reduction in overall product being put down can be realized * ** *State bid price ranges around $73 to $81 per ton for both Clear Lane & Thawrox, Thawrox seemed to trend slightly higher