Climate Action and Sustainability Plan June 2021 | Page 53

175 Acres 5000 Trees 6000 Shrubs and Dwarf Trees
Renewables & Recyclables
Annual Totals for Landscape & Road Materials
Recyclable Materials Quantity By-product of Notes
Wood Chips
300
yds
Pruning
tree pruning , tree removals , shrub pruning
Fill
500
yds
digging for graves and monument foundations
FY2020 , 237 total casket burials and 266 cremation burials
Leaves
1200
yds
grounds cleanup
30 % of leaves are collected ; most are mulched in situ to add nutrients back into soil
Green Waste
125
yds
mowing , pruning , and greenhouse operations
grass , shrubs , weeds , perennials , floral tributes
Brown Waste
75
yds
grounds maintenance
stump grindings , salt marsh hay , perennials , small branches
Materials Produced for Re-Use on Site Consists of Recyclable Materials Used in
Loam
250
yds
Fill , Leaves
reseeding and / or repair of turf areas
Compost
100
yds
Leaves , Green Waste , Brown Waste
greenhouse potting mix , top dressing , newly seeded graves , compost teas
Mulch
400
yds
Wood Chips ( 3 parts ), Leaves ( 1 part )
shrub beds , tree rings , flower beds
Materials Hauled off-site Transformed or Recycled Notes
Large logs / stumps
30
tons
chipped by 3rd party for use in biomass plants
cost $ 2000 / year ; ~ 100 trees removed / year due to new graves , stress , storms , etc .
Firewood
5
cords
available to MAC employees
cut and split by MAC employees ; load and haul your own
Asphalt
7
tons
recycled into new asphalt mixture or base materials
cost $ 8 / ton ; MAC hauls once a year to Aggregate Industries
Cement
1.5
tons
crushed into new base material
cost $ 8 / ton ; and some years MAC hauls twice a year to Aggregate Industries
Fill
400
yds
clean fill available
MAC only uses about 20 % of the fill in its loam mixture
Compost spreader . Compost created from decomposed leaves , and green and brown waste creates nutrient-rich compost for top dressing garden beds and newly seeded graves .
Turning the leaf pile . This picture , taken in July , shows the heat generated by the process of decomposition . That ’ s smoke in the middle of the pile , not dust .
Mount Auburn Cemetery | Climate Action & Sustainability Plan 49