Page 47 - 2018 National Home Improvement

2018 National Home Improvement Estimator, All Rights Reserved Page 32

Porch and deck demolition. Includes breaking materials into manageable pieces with hand tools and
handling debris to a trash bin on site.
Demolish an enclosed wood-frame porch. Includes breaking out the concrete or masonry pier
foundation. Per square foot of floor.
One story BL@.250 SF -- 8.16 8.16
Two story BL@.225 SF -- 7.34 7.34
Three story BL@.196 SF -- 6.39 6.39
Demolish a screened porch built on a concrete slab. Includes demolition of one concrete or wood frame
step to grade. Per square foot of floor area.
Porch and one step (no slab demolition) BL@.100 SF -- 3.26 3.26
Demolish a wood deck with railing or kneewall. Includes demolition of the wood deck and up to 7 steps
to grade.
Deck to 150 SF BL@18.5 Ea -- 603.50 603.50
Add per SF for deck over 150 SF BL@.100 SF -- 3.26 3.26

Concrete slab demolition. Break up and remove concrete slab using a compressor and pneumatic
hammer. Includes loosening concrete with a pick and handling debris to a trash bin on site. Costs for
demolition of reinforced concrete slab include burning off rebars with an acetylene torch. Add the rental
cost of a compressor, pneumatic hammer and a torch, as required. Figures in parentheses show the
volume before and after demolition.
4" non-reinforced concrete (60 SF per CY) BL@.057 SF -- 1.86 1.86
4" reinforced concrete (60 SF per CY) BL@.071 SF -- 2.32 2.32
6" non-reinforced concrete (45 SF per CY) BL@.083 SF -- 2.71 2.71
6" reinforced concrete (45 SF per CY) BL@.103 SF -- 3.36 3.36
8" non-reinforced concrete (30 SF per CY) BL@.109 SF -- 3.56 3.56
8" reinforced concrete (30 SF per CY) BL@.122 SF -- 3.98 3.98

Asphalt pavement demolition. Asphaltic concrete (bituminous) 3" thick, removed using a pneumatic
spade. Add the cost of equipment rental and dump fees. Figures in parentheses show the volume before
and after demolition and weight of debris.
Break up and shovel on to a truck
(4 SY per CY and 660 lbs. per SY) BL@.140 SY -- 4.57 4.57

Concrete wall demolition. Steel reinforced, removed using a compressor and pneumatic breaker. Add
the cost of equipment rental. Figures in parentheses show the volume before and after demolition.
Cost per CY (1.33 CY per CY) BL@4.76 CY -- 155.30 155.30
Cost per SF with thickness as shown
3" wall thickness (80 SF per CY) BL@.045 SF -- 1.47 1.47
4" wall thickness (55 SF per CY) BL@.058 SF -- 1.89 1.89
5" wall thickness (45 SF per CY) BL@.075 SF -- 2.45 2.45
6" wall thickness (40 SF per CY) BL@.090 SF -- 2.94 2.94
8" wall thickness (30 SF per CY) BL@.120 SF -- 3.91 3.91
10" wall thickness (25 SF per CY) BL@.147 SF -- 4.80 4.80
12" wall thickness (20 SF per CY) BL@.176 SF -- 5.74 5.74