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Gold Seal Foreperson practice questions

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Question 1General Construction Knowledge and Best Practices

On a construction site, what is the primary purpose of a Job Hazard Analysis (JHA) before starting a task?

  1. To assign payroll codes to each worker on the crew
  2. To identify task steps and associated hazards so controls can be set before work begins Correct answer.
  3. To calculate the total labor hours required to complete the task
  4. To document the material delivery schedule for the task

Explanation

A Job Hazard Analysis breaks a task into steps, identifies the hazards in each step, and defines controls before work starts. It is a planning tool for safety, not a scheduling or payroll document.

Question 2General Construction Knowledge and Best Practices

What does the term "fall protection trigger height" generally refer to in construction safety planning?

  1. The height at which guardrails must be painted a warning color
  2. The maximum height a ladder may legally reach
  3. The elevation at which workers must be tied off or otherwise protected from falls Correct answer.
  4. The height of the tallest crane on site

Explanation

The trigger height is the elevation at which regulations require fall protection measures such as guardrails, nets, or personal fall arrest. It varies by jurisdiction and by activity, so the foreperson must confirm the local rule.

Question 3General Construction Knowledge and Best Practices

A foreperson needs to confirm the compressive strength a concrete mix must reach before formwork is removed. Which document should be consulted first?

  1. The subcontractor's invoice
  2. The site daily log
  3. The project specifications and approved mix design Correct answer.
  4. The equipment maintenance record

Explanation

Removal of formwork depends on the specified strength and the approved mix design, which state curing and stripping requirements. The specifications govern the acceptance criteria for the work.

Question 4General Construction Knowledge and Best Practices

In the standard sequence of a cast-in-place concrete operation, which activity immediately follows placing and consolidating the concrete?

  1. Excavating the footing
  2. Curing the concrete Correct answer.
  3. Stripping the forms
  4. Installing reinforcing steel

Explanation

After concrete is placed and consolidated, it must be cured to retain moisture and develop strength. Stripping forms comes later, once the required strength is reached.

Question 5General Construction Knowledge and Best Practices

What is the main reason construction sites use a controlled access zone (CAZ)?

  1. To keep delivery trucks in a single lane
  2. To limit entry to areas where falling objects or other hazards exist Correct answer.
  3. To separate union and non-union crews
  4. To mark the location of underground utilities

Explanation

A controlled access zone restricts entry to a hazardous area, often beneath overhead work or near an excavation edge. Only authorized workers with proper protection may enter.

Question 6General Construction Knowledge and Best Practices

A foreperson is laying out a rectangular building corner and needs a 90-degree angle. Which method is a standard field technique?

  1. Measuring the diagonal twice and averaging
  2. Pacing off equal steps on both sides
  3. Aligning with the nearest street curb
  4. Using the 3-4-5 triangle method Correct answer.

Explanation

The 3-4-5 method uses the Pythagorean relationship to establish a true right angle in the field. Multiples such as 6-8-10 work the same way for larger layouts.

Question 7General Construction Knowledge and Best Practices

Which soil type generally has the greatest risk of cave-in when excavating a deep trench?

  1. Solid rock
  2. Compacted gravel
  3. Dry sand and loose fill Correct answer.
  4. Firm clay

Explanation

Loose granular soils such as dry sand and fill have little cohesion and cave in readily. Cohesive clays and rock stand better, though all trenches still need protection.

Question 8General Construction Knowledge and Best Practices

What does a "punch list" typically record at the end of a construction project?

  1. The hours each worker was paid
  2. The list of approved change orders
  3. The remaining incomplete or deficient items to be corrected Correct answer.
  4. The schedule of future maintenance visits

Explanation

A punch list identifies work that is incomplete or does not meet the contract documents so it can be corrected before final acceptance. It is a closeout document, not a payroll or scheduling record.

Question 9General Construction Knowledge and Best Practices

A crew must lift a bundle of rebar weighing 1,800 pounds using a two-leg sling bridle with legs at 60 degrees from horizontal. Why does the sling tension exceed half the load weight?

  1. Because the sling angle creates a multiplier that increases tension in each leg Correct answer.
  2. Because rebar bundles are always heavier than their stated weight
  3. Because two-leg slings share load unevenly by design
  4. Because sling capacity ratings already include a safety factor

Explanation

As a sling leg moves away from vertical, the tension in that leg increases for the same vertical load. At 60 degrees from horizontal the multiplier is about 1.155, so each leg carries more than half the weight.

Question 10General Construction Knowledge and Best Practices

During a concrete pour, a foreperson notices the slump test result is significantly higher than the approved mix design. What is the most appropriate immediate action?

  1. Add extra cement on site to stiffen the mix
  2. Add more water to keep the mix uniform
  3. Proceed because higher slump means easier placement
  4. Stop and notify the supplier and quality control before placing the load Correct answer.

Explanation

Slump outside the approved range signals a mix that may not meet strength or durability requirements, so the load should be held pending review. Adding water or cement in the field without approval alters the approved mix design.

Question 11General Construction Knowledge and Best Practices

A foreperson is planning excavation near a marked underground gas line. Which practice best reduces the risk of a strike?

  1. Backfill over the marks so they are not disturbed
  2. Hand-dig test holes to confirm the utility location before machine digging Correct answer.
  3. Begin machine excavation and stop if a line is contacted
  4. Rely on the utility locator marks alone

Explanation

Tolerance zones near marked utilities should be excavated by hand to positively locate the line before machine work. Locator marks indicate approximate position and can be inaccurate.

Question 12General Construction Knowledge and Best Practices

A tower crane lift plan shows the load at 70 percent of the crane's rated capacity at the required radius. What does this mean for the lift?

  1. The lift is unsafe and must be cancelled
  2. The crane may be operated at any radius as long as the load is light
  3. The lift requires no further planning because it is under 100 percent
  4. The lift is within capacity but should follow the approved lift plan and site procedures Correct answer.

Explanation

Operating at 70 percent of rated capacity is within the crane's chart, but capacity is only one factor; the approved lift plan, rigging, ground conditions, and swing path must all be controlled.

Question 13General Construction Knowledge and Best Practices

Which action best describes the correct way to store and handle compressed gas cylinders on site?

  1. Remove valve protection caps to speed up hookup
  2. Chain cylinders together loosely near the welding area
  3. Store fuel gas and oxygen cylinders upright and separated, with valves closed and caps on Correct answer.
  4. Lay oxygen cylinders horizontally in the sun

Explanation

Cylinders should be stored upright, secured, with valves closed and protective caps in place, and fuel gas should be separated from oxygen. These practices prevent leaks, tip-overs, and fire hazards.

Question 14General Construction Knowledge and Best Practices

A foreperson receives a verbal instruction from the owner's representative to change a wall location. What is the best next step?

  1. Make the change and document it later at closeout
  2. Direct the crew to make the change immediately
  3. Request the change through the proper written change order process Correct answer.
  4. Refuse all communication with the owner's representative

Explanation

Changes to the contract work should follow the documented change management process so scope, cost, and schedule impacts are recorded and approved. Verbal direction alone creates disputes and untracked cost.

Question 15General Construction Knowledge and Best Practices

Why is it important to keep a daily site log that records weather, crew counts, and work performed?

  1. It is required only for union projects
  2. It provides contemporaneous records that support schedule, delay, and payment claims Correct answer.
  3. It allows the foreperson to skip safety inspections
  4. It replaces the need for a project schedule

Explanation

Daily logs create a contemporaneous record of conditions and progress that supports delay analysis, change claims, and payment applications. They supplement, but do not replace, the project schedule or safety program.

Question 16General Construction Knowledge and Best Practices

A foreperson is checking a formed wall before a concrete pour. Which item is a critical pre-pour check?

  1. The delivery time of the aggregate truck
  2. The color of the form release agent
  3. The alignment, bracing, and tightness of the formwork Correct answer.
  4. The number of workers scheduled for the next day

Explanation

Before pouring, formwork must be checked for alignment, adequate bracing, tight joints, and clean interiors so the concrete is placed to the correct shape without blowouts or leakage.

Question 17General Construction Knowledge and Best Practices

Which practice best protects workers from silica dust when cutting concrete block with a masonry saw?

  1. Working faster to reduce exposure time
  2. Cutting dry to keep the blade cool
  3. Cutting indoors with doors closed to contain the dust
  4. Using water suppression or dust collection with respiratory protection as required Correct answer.

Explanation

Wet cutting or dust collection controls silica at the source, and respiratory protection may still be required based on exposure assessment. Containing dust in an enclosed space increases exposure.

Question 18General Construction Knowledge and Best Practices

A crew is installing anchor bolts in a concrete foundation. Why is the bolt projection and embedment verified against the drawings before the pour?

  1. Because the bolts determine the concrete mix design
  2. Because misplaced or shallow bolts can compromise the connection and are difficult to correct later Correct answer.
  3. Because bolts can be adjusted after the concrete hardens
  4. Because bolt length affects the curing time

Explanation

Anchor bolt position, projection, and embedment must be set before concrete hardens because corrections afterward are costly and may weaken the connection. Template and layout checks prevent misplacement.

Question 19General Construction Knowledge and Best Practices

A foreperson must decide whether to shore an existing structure before removing a load-bearing wall. Which principle applies?

  1. The owner's verbal assurance replaces the need for engineering review
  2. Shoring is only needed for walls over three stories tall
  3. Temporary support must be in place and verified before the load path is altered Correct answer.
  4. Removing the wall first saves time and shoring can follow

Explanation

When a load-bearing element is removed, loads must be transferred through designed temporary supports before the change. This work requires engineering review and inspection of the shoring installation.

Question 20General Construction Knowledge and Best Practices

A foreperson notices a crane's outrigger pad sinking into soft ground during setup. What is the correct response?

  1. Proceed because the crane has a level indicator
  2. Add blocking or mats to spread the load and re-verify level before lifting Correct answer.
  3. Continue the lift at reduced speed
  4. Lower the outriggers further into the soil for stability

Explanation

Outriggers must bear on ground capable of supporting the loads, using mats or cribbing to distribute pressure. Sinking indicates inadequate bearing, so the setup must be corrected and re-leveled before any lift.

Question 21General Construction Knowledge and Best Practices

A project's critical path runs through a concrete pour that has been delayed by rain. What is the likely effect on the project completion date?

  1. The completion date may slip unless the delay is recovered on the critical path Correct answer.
  2. The completion date moves only if the owner agrees
  3. The delay automatically shortens the project
  4. No effect, because non-critical activities can absorb the delay

Explanation

Delay on the critical path directly pushes the project completion unless the lost time is recovered through acceleration or resequencing. Float exists only on non-critical activities.

Question 22General Construction Knowledge and Best Practices

A foreperson observes that a subcontractor's work will be covered by another trade within two days. What is the best quality control action?

  1. Perform and document an inspection before the work is concealed Correct answer.
  2. Delay the covering work indefinitely
  3. Ask the subcontractor to self-certify without documentation
  4. Wait until final inspection to check the work

Explanation

Work that will be concealed must be inspected and documented beforehand, because defects cannot be observed after covering. This is a standard hold point in quality control planning.

Question 23General Construction Knowledge and Best Practices

A foreperson is evaluating two excavation support options. Option A costs more but allows faster excavation; Option B is cheaper but requires longer open-trench time. Which analysis best supports the decision?

  1. Compare total installed cost, schedule impact, and safety exposure for both options Correct answer.
  2. Choose the cheapest option regardless of schedule
  3. Defer the decision to the crew by vote
  4. Choose the option with the shortest name

Explanation

A sound decision weighs total cost, schedule effects, and safety exposure rather than first cost alone. Longer open-trench time increases both schedule risk and cave-in exposure.

Question 24General Construction Knowledge and Best Practices

A foreperson must determine whether a wall is load-bearing before planning demolition. Which evidence is most reliable?

  1. A worker's recollection of a similar project
  2. The wall's paint color
  3. The structural drawings and confirmation by a qualified person Correct answer.
  4. The wall's thickness measured by tape

Explanation

Load-bearing status is established by the structural design documents and confirmed in the field by a qualified person. Physical appearance alone can be misleading.

Question 25General Construction Knowledge and Best Practices

Which document typically governs the order in which construction work is sequenced and the dates by which milestones must be achieved?

  1. The site safety plan
  2. The project schedule Correct answer.
  3. The material submittal register
  4. The quality control log

Explanation

The project schedule sets activity sequence, durations, and milestone dates that the whole team plans around. Safety plans, QC logs, and submittal registers support the work but do not establish when activities must occur.

Question 26General Construction Knowledge and Best Practices

A foreperson needs to confirm that a concrete slab is curing adequately before allowing foot traffic. Which field measurement is most directly relevant?

  1. Air content of the mix
  2. Slump of the delivered mix
  3. Concrete temperature
  4. Compressive strength of field-cured cylinders Correct answer.

Explanation

Field-cured cylinders indicate the strength actually achieved in the structure and are the usual basis for deciding when loads or traffic are allowed. Slump, air content, and temperature describe the fresh mix rather than the strength gained.

Question 27General Construction Knowledge and Best Practices

Which unit of measure is standard for reporting the quantity of structural steel erected on a commercial project?

  1. Cubic yards
  2. Tons Correct answer.
  3. Square feet
  4. Linear feet

Explanation

Structural steel is normally quantified by weight, with tons being the customary unit in the United States. Square footage, volume, and length do not capture the mass-based way steel is priced and tracked.

Question 28General Construction Knowledge and Best Practices

A crew is backfilling a trench and must achieve a specified compaction of the soil. Which test method is commonly used to verify field density?

  1. Standard penetration test
  2. Sand cone test Correct answer.
  3. Atterberg limits test
  4. Sieve analysis

Explanation

The sand cone test measures in-place dry density of compacted soil and is compared with the maximum density from a laboratory proctor. Sieve analysis and Atterberg limits describe soil classification, and the standard penetration test measures deeper subsurface conditions.

Question 29General Construction Knowledge and Best Practices

What is the primary purpose of a job hazard analysis before starting a new work task?

  1. To identify task steps and the controls for each hazard Correct answer.
  2. To document the subcontractor's payment schedule
  3. To assign overtime hours to the crew
  4. To calculate the quantity of materials needed

Explanation

A job hazard analysis breaks a task into steps, identifies the hazards at each step, and defines controls before work begins. It is a safety planning tool and does not address payroll, quantities, or payment.

Question 30General Construction Knowledge and Best Practices

Which practice best protects a crew from struck-by hazards when a dump truck is backing toward a work area?

  1. Relying on the truck's backup alarm alone
  2. Having workers stand behind the truck to guide it
  3. Increasing the truck's speed to reduce exposure time
  4. Posting a spotter with a clear escape route Correct answer.

Explanation

A designated spotter who stays in visual contact with the operator and keeps a clear escape path is the standard control for backing equipment. Backup alarms can be unheard in noisy settings, and standing behind a moving truck places workers directly in the hazard zone.

Question 31General Construction Knowledge and Best Practices

A foreperson is reviewing a shop drawing for a steel connection. Who is normally responsible for reviewing and approving shop drawings before fabrication?

  1. The architect or engineer of record Correct answer.
  2. The material supplier's driver
  3. The general contractor's safety officer
  4. The local building inspector

Explanation

Shop drawings are reviewed by the design professional to confirm they conform to the design intent before fabrication proceeds. Safety staff, suppliers, and inspectors do not perform design conformance review.

Question 32General Construction Knowledge and Best Practices

What is the main function of a construction joint in a large concrete slab?

  1. To allow thermal expansion without any load transfer
  2. To permit drainage through the slab
  3. To create a decorative pattern in the finished surface
  4. To provide a planned location where separate placements meet Correct answer.

Explanation

A construction joint marks where one concrete placement ends and the next begins, and it is planned so the two placements bond and transfer load properly. It is not an expansion joint, a decorative feature, or a drainage path.

Question 33General Construction Knowledge and Best Practices

A foreperson is planning a lift with a mobile crane on a site with limited room. Which factor most directly reduces the crane's rated capacity?

  1. The radius from the crane's center of rotation to the load Correct answer.
  2. The time of day the lift occurs
  3. The number of workers on the crew
  4. The color of the load being lifted

Explanation

Rated capacity decreases as the load radius increases, so the distance from the crane's center of rotation to the load is the controlling geometric factor. Load color, crew size, and time of day do not change the capacity chart.

Question 34General Construction Knowledge and Best Practices

A foreperson finds that a subcontractor installed electrical conduit in a wall before the wall was inspected. What is the most appropriate action?

  1. Stop the covering work and request inspection of the concealed work Correct answer.
  2. Remove the conduit and reinstall it after the wall is finished
  3. Allow the wall to be closed and note the issue later
  4. Ignore the issue because the conduit is not structural

Explanation

Concealed work must be inspected before it is covered, so the covering operation should be halted and an inspection requested. Closing the wall or removing and reinstalling later both defeat the purpose of the inspection requirement.

Question 35General Construction Knowledge and Best Practices

A crew is placing a concrete slab in hot weather. Which measure best reduces the risk of plastic shrinkage cracking?

  1. Adding water at the truck chute to keep the mix workable
  2. Starting curing and evaporation control promptly after finishing Correct answer.
  3. Using a higher slump mix without adjustment
  4. Delaying finishing until the surface has fully dried

Explanation

Plastic shrinkage cracks form when the surface dries faster than bleed water arrives, so prompt curing and evaporation control after finishing are the key measures. Adding water raises shrinkage potential, and delaying finishing lets the surface dry prematurely.

Question 36General Construction Knowledge and Best Practices

A foreperson is comparing two suppliers for structural lumber. Which property is most relevant when checking that the material meets the design requirement?

  1. The color of the mill stamp
  2. The lumber's design strength grade and species group Correct answer.
  3. The supplier's delivery schedule
  4. The lumber's appearance grade only

Explanation

Structural capacity depends on the design strength grade and species group assigned by the grading rules, which the design specifies. Appearance grade, delivery timing, and stamp color do not establish structural adequacy.

Question 37General Construction Knowledge and Best Practices

A foreperson must verify that a fire-rated wall assembly is being built as designed. Which information is most important to confirm?

  1. The listed assembly components and their ratings Correct answer.
  2. The wall's paint color and finish sheen
  3. The number of outlets on the wall
  4. The height of the ceiling above the wall

Explanation

A fire-rated assembly is only valid when built with the specific listed components and ratings shown in the approved design. Finish color, outlet count, and ceiling height do not establish the fire-resistance rating.

Question 38General Construction Knowledge and Best Practices

During a site walk, a foreperson notices an open floor penetration on an upper level. Which control is most appropriate?

  1. Taping the opening with caution tape
  2. Asking workers to avoid the area during breaks
  3. Covering or guarding the opening to prevent falls Correct answer.
  4. Placing a warning sign beside the opening

Explanation

Floor openings must be covered with a secured cover or guarded with a barrier that prevents a person from falling through. Signs and tape provide only a warning and do not physically stop a fall.

Question 39General Construction Knowledge and Best Practices

A foreperson is evaluating whether to reuse excavated soil as backfill. Which characteristic is most important to check first?

  1. The moisture content of the surrounding air
  2. The soil's color
  3. Whether the soil meets the specified gradation and compaction requirements Correct answer.
  4. The depth from which the soil was excavated

Explanation

Reused soil must meet the specification for gradation, plasticity, and compactability before it can serve as engineered fill. Color and excavation depth do not establish suitability, and ambient humidity is not a soil property.

Question 40General Construction Knowledge and Best Practices

A foreperson must ensure that a masonry wall is properly tied to the structural frame. Which component performs this function?

  1. The weep hole
  2. The mortar joint
  3. The flashing
  4. The wall tie or anchor Correct answer.

Explanation

Wall ties and anchors connect the masonry wythe to the backup or frame and transfer lateral loads. Mortar bonds units together, flashing directs water, and weep holes drain the cavity.

Question 41General Construction Knowledge and Best Practices

A foreperson is reviewing a subcontractor's daily report that shows less work completed than planned. Which follow-up is most useful for understanding the cause?

  1. Reviewing the project's insurance certificates
  2. Checking the color of the site fencing
  3. Comparing crew size and equipment on site with the planned resources Correct answer.
  4. Confirming the office printer schedule

Explanation

Comparing actual labor and equipment against planned resources reveals whether the shortfall comes from understaffing, equipment problems, or productivity issues. Fencing, insurance, and office logistics do not explain field production.

Question 42General Construction Knowledge and Best Practices

A foreperson needs to lift a heavy component over an active walkway. Which control best reduces risk to people below?

  1. Scheduling the lift during a lunch break
  2. Increasing the lifting speed to shorten exposure
  3. Relying on workers to watch for falling objects
  4. Using a controlled lift plan with barricades and exclusion zones Correct answer.

Explanation

A planned lift with barricaded exclusion zones keeps people out from under the suspended load. Timing alone is unreliable, and faster lifting increases dynamic effects and risk.

Question 43General Construction Knowledge and Best Practices

A foreperson is choosing between two concrete formwork systems. System A has a higher rental cost but can be cycled faster. System B is cheaper but slower to strip and reset. Which analysis is most appropriate?

  1. Comparing total cost including labor and schedule impact Correct answer.
  2. Choosing the lower rental cost without further analysis
  3. Selecting based on the supplier's location
  4. Choosing the system with the heaviest components

Explanation

Formwork decisions should weigh total installed cost, including labor for erection and stripping plus schedule effects, not rental price alone. Component weight and supplier location are secondary considerations.

Question 44General Construction Knowledge and Best Practices

A foreperson observes that a newly placed concrete wall has honeycombing after form removal. What is the most likely cause?

  1. Forms stripped too late
  2. Insufficient consolidation or segregation during placement Correct answer.
  3. Curing compound applied too early
  4. Excessive vibration of the forms

Explanation

Honeycombing results when mortar does not fill the spaces between coarse aggregate, typically from inadequate vibration or segregation during placement. Curing timing and form stripping timing affect surface quality but not void formation in the mass.

Question 45General Construction Knowledge and Best Practices

A foreperson must decide whether a change in a structural connection requires engineering review. Which principle applies?

  1. The supplier's recommendation replaces engineering review
  2. Any field change to a structural connection should be reviewed by the engineer of record Correct answer.
  3. Field crews may adjust connections to fit available materials
  4. Changes are acceptable if they cost less

Explanation

Structural connections are designed to carry specific forces, so any field change must be reviewed by the engineer of record before implementation. Cost, material availability, and supplier advice do not substitute for design review.

Question 46General Construction Knowledge and Best Practices

A foreperson is reviewing a schedule and sees that two critical activities both require the same crew in the same week. What is the best first step?

  1. Ignore the conflict because both activities are critical
  2. Delay both activities equally
  3. Assume the crew can work double shifts without review
  4. Identify the conflict and coordinate resequencing or additional resources Correct answer.

Explanation

Recognizing a resource conflict on critical activities requires coordination to resequence work or add resources so neither activity slips. Assuming double shifts or delaying both without analysis can extend the project.

Question 47General Construction Knowledge and Best Practices

A foreperson is evaluating a claim that a delay was caused by unusually severe weather. Which record is most useful to support or refute the claim?

  1. Daily logs with weather conditions and work performed Correct answer.
  2. The project's insurance policy
  3. The subcontractor's bid proposal
  4. The material delivery schedule

Explanation

Contemporaneous daily logs that record weather and the work actually performed provide the evidence needed to assess a weather delay claim. Insurance, bids, and delivery schedules do not document site conditions on the affected days.

Question 48General Construction Knowledge and Best Practices

A foreperson must determine the safe bearing capacity for a temporary crane pad on fill. Which approach is most appropriate?

  1. Assuming the fill is adequate because it looks compacted
  2. Using the capacity of the crane's outrigger pad alone
  3. Obtaining geotechnical evaluation and using the engineer's recommendations Correct answer.
  4. Relying on the crane operator's experience

Explanation

Temporary pad capacity on fill depends on subsurface conditions that require geotechnical evaluation and engineering recommendations. Visual appearance, pad size alone, and operator experience do not establish safe bearing capacity.

Question 49General Construction Knowledge and Best Practices

A foreperson is coordinating multiple trades in a confined area. Which planning approach best reduces interference and rework?

  1. Assigning the area to the trade with the largest crew
  2. Scheduling all trades at the same time to finish faster
  3. Letting each trade work whenever it arrives
  4. Using a coordinated sequence with defined work areas and hold points Correct answer.

Explanation

A coordinated sequence with defined areas and hold points prevents trades from working over each other and allows inspection before work is covered. Concurrent uncoordinated work and crew-size allocation increase interference and rework.

Question 50General Construction Knowledge and Best Practices

A foreperson is planning the sequence for backfilling a foundation wall. Which practice best reduces the risk of the wall being pushed inward or overturning during backfill placement?

  1. Place all backfill against the exterior face in one pass up to final grade before compacting
  2. Backfill both sides of the wall in balanced lifts so lateral pressures stay roughly equal Correct answer.
  3. Delay installing any bracing or drainage until after backfill is complete
  4. Stockpile the excavated soil against the wall base to save hauling distance

Explanation

Unbalanced backfill creates one-sided lateral earth pressure that can push a wall inward or overturn it before the structure above ties it in place. Balancing fill on both sides in controlled, compacted lifts keeps pressures roughly equal and limits the differential load. Temporary bracing and waterproofing or drainage should be in place before backfilling begins.