NASCLA Contractors Guide: Business, Law, & Project Management Exam Q&A, Exams of Construction

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NASCLA Contractors Guide to

Business, Law, and Project Management

exam questions with correct answers

A business must meet the requirement of the Fair Labor Standards Act when there are more than how many employees? - ANSWER - What is the primary purpose of ventilating unconditioned spaces? - ANSWER -to control moisture Oxygen cylinders shall be stored where? - ANSWER -separate from fuel gas cylinders by a minimum of 20' Which of the following is included in a company's general overhead costs? - ANSWER -the company's administrative expenses What size diameter anchor bolts should open web joists have at each end? - ANSWER -2 1/2" When should duplex nails be used? - ANSWER -when building concrete forms Where would the contractor find details fo wall penetrations that are to be constructed as a part of the project? - ANSWER -technical specifications Trades that typically have the most stringent and specialized coordination requirement for project closeout are: - ANSWER -mechanical and electrical When forming waffle slabs in a multi-story building which of the following should be used? - ANSWER - pan forms Fiber glass insulation batts are being installed in an attic. Where should the vapor barrier be installed? - ANSWER -under the insulation

A crane is operating near overhead power lines rate less than 50 kV. What is the required minimum distance? - ANSWER -10' It is allowable to excavate how far below a trench box? - ANSWER -2 feet When storing steel joist at a job site they should be: - ANSWER -vertical, laid flat, or as shipped An installed truss has a 20' span and a depth of 6'. What is the maximum amount it can be out of plumb?

• ANSWER -1.5 " What does the term retainage mean? - ANSWER -a percentage of the progress payment withheld by the owner The space between the insulation and the roof sheathing of a sloped ceiling shall be a minimum of how much? - ANSWER -1" Whenever polyethylene is used under a slab as a moisture barrier, its joints should overlap by a minimum of how many inches? - ANSWER - Roughly how much construction waste would be generated during the new construction of 25, 000 sq. ft. office space? - ANSWER -100,000 lbs The EPA requires a contractor to create a storm water pollution plan when which of the following is true? - ANSWER -when a project disturbs one or more screws The most common cause of injuries at a construction site are which of the following? - ANSWER -falls What must exist between a contractor and the union when union labor is employed? - ANSWER -labor agreement

Egress doors must open to the direction of travel when the occupant load is more than: - ANSWER - persons Wallboard inspections must be made when? - ANSWER -before the joints are taped Which if the following would be an acceptable condition for a contractor to refuse to perform work on a project and not be a breach of contract? - ANSWER -a site condition that prohibits the subcontractor from the performing the work What method of disbursement account would be the most appropriate for a large construction company? - ANSWER -Establish a separate journal for disbursement and payroll Who is responsible for the maintenance of personal protective equipment when employees provide their own? - ANSWER -employer According to OSHA a radiant type temporary room heater used in a confined space must have how much clearance from the side and rear of the space? - ANSWER -36" An owner will require documentation that provides information as to how the project was actually constructed. Which of the following is provided by the contractor for this purpose? - ANSWER -as built drawings Who has the authority to change or adjust a shoring method of an excavation? - ANSWER -engineer Which of the following is done by the post-tensioning contractor prior to pouring concrete? - ANSWER - the tendons are encased in high-density polyethylene sheathing with a PT coating When installing 1/2" gypsum parallel to the framing members on the ceiling what is the maximum spacing of the framing members? - ANSWER -24" on center What is the diameter of #5 rebar? - ANSWER -5/8"

What is the minimum length of time required for wood flooring to be stored int he building to allow for climate acclimation? - ANSWER -4-5 days Which type of masonry joint finish is the most effective at preventing damage from freezing? - ANSWER -concave When constructing a light weight curtain wall what shall be between the building insulation and the external panels? - ANSWER -air gap Which one of th following has the greatest impact on determining how to safely manage traffic control at a. job site? - ANSWER -site layout A project Schedule of Values shows Task A worth $12,000, Task B worth $8,500, and Task C worth $25,000. Task A is 18% complete, Task B is 2% complete, and Task C is 7% complete. How much should the progress payment be? - ANSWER -$4, Guard rails and personal fall arrest systems shall be prove when ever platforms and walkways cannot feasibly be how wide? - ANSWER -18" What screw size is to be used to fasten metal decking? - ANSWER -Number 12's or 1/4" diameter A surveying benchmark is at 88.6 feet. There is a reference stake set 7.8 feet lower than the benchmark. If a ditch is to be excavated to a depth of 8.75 feet below the reference stake and 20 feet from the reference stake, what is the finished elevation of the bottom of the ditch? - ANSWER -72.05 feet If an employer has 8 employees which of the follow is required by OSHA when the business is moved into a new facility? - ANSWER -the employer must orally review all emergency procedures What effect will freezing temps have while curing concrete? - ANSWER -a longer time is needed According to OSHA, who has the responsibility to insure compliance to the standards and determine what safety equipment is required? - ANSWER -employer

When may compressed air be used to clean dust from equipment? - ANSWER -Only when the pressure is reduced to 30 psi or less and PPE is provided Which documents are primarily used by the contractor and architect to monitor quality? - ANSWER - submittals, shop drawings, and samples In order to protect the owner and contractor from lien filings, what document is provided by a subcontractor in exchange for final payment? - ANSWER -unconditional lien release What does a lien waiver release the owner from? - ANSWER -paying too much for services or materials A renovation project is to begin on a pre-1978 housing project. It will require the more than 2 sq. ft. of painting surface be removed or disturbs. What should the contractor do prior to beginning? - ANSWER - Distribute an EPA pamphlet entitled 'Protect Your Family from Lead in Your Home" to the property owner or adult occupant Which of the following is not a concern for a precast concrete contractor during a pre construction meeting? - ANSWER -maintaining anticipated overhead and profit margins The International Building Code states that the minimum thickness of plywood species Group I that may be used for subfloor joist spaced 16" on center is: - ANSWER -1/2" When a contract requires the contractor to indemnify the owner for any liability the owner may incur under her should: - ANSWER -have the contract reviewed by an attorney When concrete is cured properly what is included? - ANSWER -controlled drying A Proctor test is used to provide a contractor with what information? - ANSWER -soil compaction value What is considered project overhead? - ANSWER -temporary job site office

When unloading trusses what should a builder do? - ANSWER -unload as close as possible to the building site What is not appropriate eye protection for employees who wear spectacles with corrective lenses? - ANSWER -corrective spectacles only When an internal combustion engine is used indoors what must be done? - ANSWER -exhaust gases must be vented What is true regarding elevator floor control buttons? - ANSWER -must be arranged in a standard telephone pattern If an incident results in the death of a worker, what is the maximum amount of time it must be reported to OSHA? - ANSWER -8 hours What is the maximum installation interval that foundation plates or sills should be installed? - ANSWER - 6' What is the most efficient method to move material a short distance downgrade? - ANSWER -slot dozing What materials is best to fireproof steel beams and columns? - ANSWER -cellular concrete Which masonry mortar type is used to achieve a high early strength? - ANSWER -Type III For a contracting company there is a debt that has been carried for the past 3 years and is due to be paid off by the company. Where on the balance sheet should this be reflected? - ANSWER -current liabilities Which gauge of metal stud is the most cost efficient to be used in non-load bearing partitions? - ANSWER - What is the suggested angle of repose for shoring compacted sharp sand? - ANSWER -1 1/2:

A deck is required to have a guard rail when? - ANSWER -when it is more than 30" above grade A job requiring excavating was initially calculated to allow for a 10% swell factor for the soil. However during excavation it was found that the soil had a 25% actual swell factor. What effect will this have on the overall project? - ANSWER -will require more hauling and decrease in efficiency A non-sliding egress door of a group R3 occupancy building shall have a maximum threshold height of? - ANSWER -1/2" A parking lot with 30 spaces shall have a minimum of how many handicapped spaces? - ANSWER - Which formula describes a balance sheet? - ANSWER -assets = liabilities + owner's equity For a worker in a trench what is the maximum lateral distance from a means of egress? - ANSWER -25' What is not required to be provided by an employer on a job site? - ANSWER -a defibrillator What documents are required from the contractor before a final release of money? - ANSWER -affidavit of payment What procedure according to OSHA should be used by above ground personnel to best determine the number of people working underground during construction? - ANSWER -check-in/check-out A single with brick wall is 200 sq. ft. with 3/8" mortar joints, and 655 non-modular bricks per sq. ft. How many cubic feet of mortar is required? - ANSWER -11. A project contract is written for a lump sum of $200,000. The retainage for this project is 10%. The contractor has completed 90% of the project and has received all progress payments. The contractor submits a request for final payment. What should the final payment amount be? - ANSWER -between $35,000 and $40,

If a building is constructed using green procedures or guidelines, how much less energy will be required to operate it? - ANSWER -30-36% If a hotel is constructed with 20 sleeping room what is the minimum number of visible fire alarm notification devices? - ANSWER - What minimum thickness of compacted granular material is to be used as the base of a concrete curb? - ANSWER -6" A ceiling joist end may be notched a maximum of how much? - ANSWER -1/4 the joist depth A contractor should select subcontractors based on the subcontractor's: - ANSWER -ability to provide the most value to the project The effect of vibratory action on a concrete mix does what? - ANSWER -permits the use of a stiffer mixture containing larger portions of course aggregate 36 cubic yards of earth are removed from a hole and now occupies 45 cubic yards. What is the percent of swell for this dirt? - ANSWER -25% If a contract cannot be interpreted which of the following is true? - ANSWER -It is interpreted against the party who wrote it Provisions of construction document should show any requirement fo special reporting and documenting of construction activities for archaeological sensitive areas of a job site. Which provision should show this information? - ANSWER -supplementary conditions What is true regarding the elevator call buttons located in a lobby? - ANSWER -shall be raised or flush During a project the owner makes a change that would cost the contractor $2,500 in labor and materials and $700 in overhead costs. With this change the contractor will save $1,000 in labor costs and $280 in overhead costs. The original bid included a profit of 10% of all costs. If the contractor requires 10% of all costs for the changes, the change order should include an additional how much? - ANSWER -$2,

What is not a source of grey water? - ANSWER -kitchen sink What is the recommended length of tail to leave outside the edge form at each end after stressing the tendon? - ANSWER -12" which pile is used for horizontal loads? - ANSWER -sheet pile During project closeout the test and tolerance information should also include what? - ANSWER - method of testing What is the minimum clearance from the pull side of an accessible manual swinging door when approached from the front parallel to the doorway? - ANSWER -18" Consider the scenario: A benchmark has been established for building. The finished floor elevation is one foot above the benchmark. What will be the elevation of the bottom of a 4" concrete slab? - ANSWER -.667' What is a requirement in the specification to record as-built information that will be given to the owner at substantial completion? - ANSWER -project photos Bagged materials stored on a jobsite shall be stacked, by: - ANSWER -stepping back the layers and cross- keying the bags at least every ten gas high A contractor should account for added security of a project site by applying which methods? - ANSWER - utilizing locked trailers for small tools and materials, installing fencing for enclosing the perimeter of a site, installing cameras at. the jobsite For a front loading washing machine, what is the maximum allowable offset from the center of the door opening to establish clear floor space? - ANSWER -24" Where a roof meets a vertical wall which is the best method to follow? - ANSWER -install metal flashing under the shingles and siding

What is used to attach formed metal gutters to the building fascia? - ANSWER -wrap around hangers Which is the most accurate regarding a brick veneer wall? - ANSWER -the veneer carries its own weight What is considered a significant factor in determining how precast mortals should be delivered to job site? - ANSWER -whether the erector has the capability of rotating pieces How would a contractor determine which sealant to use in a particular application? - ANSWER -refer to the technical specs What is true regarding oily rags and flammable waste? - ANSWER -they should be stored in a covered container A construction delivery type that would have the contractor as an agent to the owner providing pre construction services without construction responsibilities would be? - ANSWER -CM at risk The maximum height of the top of gripping surfaces on handrails above stair nosing, ramp surfaces, and walking surfaces is what? - ANSWER -42" A performance management system should include management of performance standards and the creation of what? - ANSWER -an employee appraisal system What method is based on the actual costs? - ANSWER -cost plus What is not a manual soil test? - ANSWER -slump test