Harp Legacy Concrete is a partnership founded in 2005 that provides turnkey reinforced concrete foundations and basement walls for residential and small commercial buildings. They have over 60 years of combined construction and engineering experience. Their process involves excavating the site, forming and reinforcing concrete footings and walls, installing anchor bolts and waterproofing the walls before backfilling the site. Concrete foundations provide advantages over masonry including greater strength, durability, and allowance for deeper basements.
2. Who we are
• Started operation July 2005
• Partnership Kenny Harp & Ralph Matera
• Over 60 years combined construction &
engineering experience
• Licensed general contractor, licensed
professional engineer
3. What we do
• Turnkey reinforced concrete foundations for
residential and small commercial buildings
• We provide the following services:
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Excavation (optional)
Reinforced footings
Reinforced walls
Waterproofing
Backfilling (optional)
Flatwork
4. Why Concrete foundations?
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Poured walls have been around for years
New to area for residential foundations
Significant growth in most major SE cities
Superior product for basement walls
5. Advantages of Concrete
• IRC limit 12 inch masonry to 4 ft fill without
reinforcement and full grout
• 10 inch un-reinforced concrete allowed to 8 foot
fill, addition of rebar increases depth
• Concrete foundation monolithic less prone to
crack and settle
• 5 times stronger than masonry
• Cost comparable to grouted masonry
• Concrete watertight provides for dry basement
6. How we do it
• Owner provides excavated site or HLC
can perform
• Form footings above grade
– Integral perimeter drain
– Integral radon collection system
– Two rows #4 rebar
– Electrical ground wire
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8. How we do it (cont.)
• All footing pumped with 3000 psi concrete
• Vertical steel rebar embedded in footings
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10. How we do it (cont.)
• All footing pumped with 3000 psi concrete
• Vertical steel rebar embedded in footings
• Aluminum panels are erected to form
cavity of wall
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12. How we do it (cont.)
• All footing pumped with 3000 psi concrete
• Vertical steel rebar embedded in footings
• Aluminum panels are erected to form
cavity of wall
• Brickledges, beam pockets, door openings
are placed in forms
• Walls pumped with 3500 psi concrete
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14. How we do it (cont.)
• Anchor bolts are set
• Walls are stripped
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17. How we do it (cont.)
• Anchor bolts are set
• Walls are stripped
• Waterproofing is performed using either:
– Tremco Tuff N Dry system with 30 year dry
basement warranty
– Tremco Warm N Dry system with 15 year dry
basement waranty
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19. How we do it (cont.)
• The whole process is completed in about a
week
• Backfilling of site can be performed after 7
-10 days
• Begin framing on a clean backfilled safe
worksite!
20. Capabilities
• System capable to form over 300 foot of
wall in one pour
• Basements 9, 10, 12 feet deep
• Brickledge as required
• 10 inch true wall thickness standard any
wall thickness capable
• Retaining walls to 12 feet high
• Turnkey flatwork
21. What If?
• Haven’t convinced you yet?
• What if a 7,000 lb boulder slid down bank
from 10 feet high and hit the middle of a
12 foot high straight masonry wall that was
50 feet long?
• You’d start all over again after cleaning up
the mess!
• Well, that’s exactly what happened to one
of our walls
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25. Sub basement walls
• Difficult to do properly with a masonry
foundation
• This is where a concrete wall excells
34. Summary
• One contractor, one check gets you to
framing
• Fast quality construction
• Comparable in cost to filled and reinforced
block wall
• Walls can be constructed year round