Case Study: City Choked with FOG Trials Helix.
Evaluation of products conducted in 2 phases. Phase 1 included review of literature, selection of methodology of products, and bench testing of products. 3 SGCPs were short listed for Phase 2 testing. Phase 2 focused on field testing of selected SGCPs during 2004-2005. Primary purpose of field trials was to determine real life effectiveness of SGCPs in maintaining sewer pipelines free of FOG. Engineering firm used a methodology utilizing CCTV at test sites based on quantitative and qualitative factors to ensure objective scoring of all products.
Scoring system is as below. Highest possible score of 9 total points.
- FOG coverage score (maximum 3 points)
- Bonus score (maximum 3 points)
- Visual inspection score (maximum 3 points)
Maximum total of 9 points. (A score of 5 points is considered proof of satisfactory product performance.)
- Competitor A: 5.9
- Competitor B: 4.8
- Helix HL-5000: 7.7
With a total score of 7.7, Helix HL-5000 was the only product that received Bonus Points. HL-5000 was the only product in the test that not only prevented any further FOG buildup, but also got rid of the grease (FOG) that was there to begin with.