PTP Module 2 Exam Questions &
Answers (Grade A+)
How many days after a foundation is poured should you wait before
backfilling? -
correct answer ✅7 days is safe (28 days is ideal, but unrealistic)
What phases need to be completed before the backfill? -
correct answer ✅-Waterproofing
- Drain Tile
- Foundation / Footers
Why is it important to use clean fill for a backfill? -
correct answer ✅- Could cause voids or damage to your draintile
or waterproofing
- Could include radon or methane
What is the finished measurement that the grade must be below
the top of foundation? -
correct answer ✅Minimum of 8" below top of foundation wall
The backfill / rough grade should be within +/-
_______________________ of proposed final grade elevations -
correct answer ✅4"
,PTP Module 2 Exam Questions &
Answers (Grade A+)
Why is it important to establish the grade and swale according to
the site plan at the rough grade phase rather than waiting until the
final grade? -
correct answer ✅To avoid standing water
List several safety requirements for backfill phase: -
correct answer ✅- Backup alarms or Spotters
- Seatbelts
- Call 811 BEFORE digging
- Keep people away from equipment
- Safe trench practices around overdig
What is a footing? -
correct answer ✅- Flat, level surface made of concrete that
disburses weight and provides a level flat surface for a building
What does P.S.I. stand for? -
correct answer ✅Pounds per Square Inch
What is the acceptable percentage of calcium that can be added to
concrete during cold conditions? -
correct answer ✅2%
,PTP Module 2 Exam Questions &
Answers (Grade A+)
What is the minimum psi for footings per phase secifications? -
correct answer ✅2,500 PSI
What is a footing bulkhead? -
correct answer ✅- Transfers weight distribution between different
footer elevations
- Used when there are changes in elevations
Where might we need a footing bulkhead? -
correct answer ✅- Garage
- Townhouse steps
- Walkout
Do you need extra concrete for a footing bulkhead? -
correct answer ✅Yes
How could we avoid using a pump truck to pour footing concrete? -
correct answer ✅Leave area clear and have 3 access points for
cement mixer
, PTP Module 2 Exam Questions &
Answers (Grade A+)
What is rebar? -
correct answer ✅Steel bar used as tension device set inside the
concrete form to reinforce concrete strength
How is rebar measured? -
correct answer ✅By eighths
In relation to the thickness of the footing, where should rebar be
placed? -
correct answer ✅Installed at the bottom third of the footing
What is a stanchion pad? -
correct answer ✅A concrete pier used to support a stanchion post
or steel "lolly" column
How do you determine the size (dimensions) of a stanchion pad? -
correct answer ✅Foundation plans or check blueprints (minimum
thickness is 12")
Frost Footing -
correct answer ✅Footing used in low grade condition which
extends below the depth that the ground will freeze
Answers (Grade A+)
How many days after a foundation is poured should you wait before
backfilling? -
correct answer ✅7 days is safe (28 days is ideal, but unrealistic)
What phases need to be completed before the backfill? -
correct answer ✅-Waterproofing
- Drain Tile
- Foundation / Footers
Why is it important to use clean fill for a backfill? -
correct answer ✅- Could cause voids or damage to your draintile
or waterproofing
- Could include radon or methane
What is the finished measurement that the grade must be below
the top of foundation? -
correct answer ✅Minimum of 8" below top of foundation wall
The backfill / rough grade should be within +/-
_______________________ of proposed final grade elevations -
correct answer ✅4"
,PTP Module 2 Exam Questions &
Answers (Grade A+)
Why is it important to establish the grade and swale according to
the site plan at the rough grade phase rather than waiting until the
final grade? -
correct answer ✅To avoid standing water
List several safety requirements for backfill phase: -
correct answer ✅- Backup alarms or Spotters
- Seatbelts
- Call 811 BEFORE digging
- Keep people away from equipment
- Safe trench practices around overdig
What is a footing? -
correct answer ✅- Flat, level surface made of concrete that
disburses weight and provides a level flat surface for a building
What does P.S.I. stand for? -
correct answer ✅Pounds per Square Inch
What is the acceptable percentage of calcium that can be added to
concrete during cold conditions? -
correct answer ✅2%
,PTP Module 2 Exam Questions &
Answers (Grade A+)
What is the minimum psi for footings per phase secifications? -
correct answer ✅2,500 PSI
What is a footing bulkhead? -
correct answer ✅- Transfers weight distribution between different
footer elevations
- Used when there are changes in elevations
Where might we need a footing bulkhead? -
correct answer ✅- Garage
- Townhouse steps
- Walkout
Do you need extra concrete for a footing bulkhead? -
correct answer ✅Yes
How could we avoid using a pump truck to pour footing concrete? -
correct answer ✅Leave area clear and have 3 access points for
cement mixer
, PTP Module 2 Exam Questions &
Answers (Grade A+)
What is rebar? -
correct answer ✅Steel bar used as tension device set inside the
concrete form to reinforce concrete strength
How is rebar measured? -
correct answer ✅By eighths
In relation to the thickness of the footing, where should rebar be
placed? -
correct answer ✅Installed at the bottom third of the footing
What is a stanchion pad? -
correct answer ✅A concrete pier used to support a stanchion post
or steel "lolly" column
How do you determine the size (dimensions) of a stanchion pad? -
correct answer ✅Foundation plans or check blueprints (minimum
thickness is 12")
Frost Footing -
correct answer ✅Footing used in low grade condition which
extends below the depth that the ground will freeze
