Benefit of Sustainability: Cost saving approach Marriott's environmental commitments are aiming to further reduce energy and water consumption by 20%. To meet the goals, Marriott Marquis initiated a long-term project to reduce waste by 20%. (we here refer that maximum conversion rate, Ynax, is 20%) Considerations for cost analysis I. Annual cost of waste for Marriott Marquis (per hotel: The following table is to illustrate Marriott Marquis's average monthly weights for recycling, trash, compost for recent years. All weights are marked in tons. Recycling and trash amounts are measured in 35- yard compactors. It costs $150 to haul a 35-yard compactor plus S59 per tonnage. Compost amount is measured based on a 35-gal container. 22.5 containers are required for tonnage. It costs $6.66 per a recycled container with delivery costs of S59 per tonnage. The 35-yard compactor can be shared for recycling and trash. (Assume that recycling and trash & compost treatment process is implemented once a month.) Table: Marriott Marquis' weights for recycle, trash, and compost Recycle Month July August Sept Oct Nov Dec an Feb March April May June Total Trash 95.52 86.5 84.93 10.57 74.41 59.93 70.69 85.21 96.82 87.33 91.61 85.93 1029.45 Compost 2.89 9.33 17.47 5.38 17.82 9.85 19.83 11.89 26.11 7.53 138.1 Total 95.52 86.5 87.82 119.9 91.88 65.31 88.51 95.06 123 118.53 124.57 119.51 1216.11 6.35 19.3 6.85 16.05 48.56 19 Benefit of Sustainability: Cost saving approach Marriott's environmental commitments are aiming to further reduce energy and water consumption by 20%. To meet the goals, Marriott Marquis initiated a long-term project to reduce waste by 20%. (we here refer that maximum conversion rate, Ynax, is 20%) Considerations for cost analysis I. Annual cost of waste for Marriott Marquis (per hotel: The following table is to illustrate Marriott Marquis's average monthly weights for recycling, trash, compost for recent years. All weights are marked in tons. Recycling and trash amounts are measured in 35- yard compactors. It costs $150 to haul a 35-yard compactor plus S59 per tonnage. Compost amount is measured based on a 35-gal container. 22.5 containers are required for tonnage. It costs $6.66 per a recycled container with delivery costs of S59 per tonnage. The 35-yard compactor can be shared for recycling and trash. (Assume that recycling and trash & compost treatment process is implemented once a month.) Table: Marriott Marquis' weights for recycle, trash, and compost Recycle Month July August Sept Oct Nov Dec an Feb March April May June Total Trash 95.52 86.5 84.93 10.57 74.41 59.93 70.69 85.21 96.82 87.33 91.61 85.93 1029.45 Compost 2.89 9.33 17.47 5.38 17.82 9.85 19.83 11.89 26.11 7.53 138.1 Total 95.52 86.5 87.82 119.9 91.88 65.31 88.51 95.06 123 118.53 124.57 119.51 1216.11 6.35 19.3 6.85 16.05 48.56 19
