Walker's Building Estimator's Reference Book, 33rd Edition Questions and Answers Flashcards

Some advantages to be realized when a ____________ is used to excavate is that it digs straight, vertical side walls (in soil which will stand), it cuts a level floor, and it reduces hand trim to a minimum.

If an ASTM standard reinforcing bar has a diameter of 1.00 inch, then it would be classified a ____________ bar.

A ____________ bond is a bond furnished by the contractor that guarantees they will sign a contract in accordance with their bid and will provide performance and payment bonds.

If #3 reinforcement bars are to be lapped a minimum of 30 times the bar diameter, the minimum length of bar lap is ____________ inches. Select the closest answer.

____________ is one of the two methods for CPM calculations.

A standard, non-modular brick is ____________ inches long.

Plans and elevations are usually drawn at no less than

Under the Uniform System developed by the Construction Specifications Institute (CSI) Division 2 includes

The area of a roof measuring 100'-0" x 100'-0" with a 1⁄4 pitch and a 12" or 1' overhanging cornice is ____________ square feet. Select the closest answer.

When excavating sandy clay/moist loam using a hydraulic tractor (crawler) backhoe with a 1-1/4 cubic yard bucket, an average of ____________ cubic yards can be excavated per 8-hour day. Select the closest answer.

The well point method of dewatering is usually

____________ board feet of wood would be required to build a partition wall that measures 8' high x 25' long and is 4" thick with one 2 x 4 sole plate but a double plate at the top. Assume studs are placed 18" on center. Select the closet answer.

If 450 bank cubic yards of dry sand is to be excavated, the number of loose cubic yards that will be excavated is ____________ cubic yards. Select the closet answer.

____________ is the material or masonry units forming a cap or finish on top of a wall and protects it from penetration of water from above.

The highest strength mortar is

The convenience outlet symbol is defined to be a

A ____________ bond is a bond assuring that the contractor will complete a project in accordance with plans and specs identified in the contract documents.

An activity with zero float is called a

In estimating quantities of excavation and concrete, both are measured by the cubic yard. One cubic yard contains ____________ cubic feet.

____________are drawings in which all horizontal and vertical lines have true length and vertical lines are vertical but horizontal lines are set at 30 degrees or -30 degrees.

One mason will lay an average of
____________light weight actual size 7 5/8" x 7 5/8" x 15 5/8" concrete blocks below grade in an 8-hour shift.

The ____________method of drilling can only be used for preliminary investigations for foundations.

Most working drawings for building construction are based on

Modular face bricks with a nominal brick size of 2 2/3" x 4" x 8" are to be used to face a 2,500 square foot wall without headers. ____________bricks will be required for this job. Select the closest answer.

____________work is usually publicly advertised.

The typical dead weight of a 3/4 inch piece of form plywood is ____________ lbs.

A ____________ contract allows the owner control over the selection of his general contractor.

Once a loan is approved and accepted, ____________is (are) NOT considered a closing cost(s).

When hauling excavated materials in trucks, the truck capacity should be at least ____________times the dipper or bucket capacity of the excavator.

A contractor can borrow money at 2 points above the current prime rate. This means that

____________determines the quality requirements on a project during the process of bidding.

A pneumatic tamper enables a worker to do nearly
____________times the work he can do by hand.

____________is not one of the three traditional methods of construction scheduling.

Most building departments require that plumbing drawings be submitted in a/an

The maximum distance that can typically be spanned by a wood truss is ____________ feet.

A masonry unit that does not meet standards or specifications and has been rejected is known as

Any discrepancies on the plans or specifications or changes the architect or owner wish to make after the plans and specifications have been issued,

The average life expectancy of truck tires in construction work is ____________hours.

The federal government, under the ____________ requires that a contractor furnish two separate bonds, one for performance and one for the payment of labor and materials.

A defect in workmanship is found 18 months after a project is completed. A ____________ bond would cover the repair.

If a contractor regularly operates within an area that requires a permit bond, the cost of this bond should be expensed

An AIA form ____________, the Contractors Qualification Statement, is used to furnish information needed to bid on public work.

Another reference name for a Bar Chart is a

The terms CPM and PERT pertain to

The principal objective of construction scheduling is to manage all of the following resources used in the construction process except for

The standard tool for resource control in project scheduling which calculates the project completion date and dates for completion of project activities and intermediate milestones is the

2600 L.F. of 2 x 4's is ____________board feet. Select the closest answer.

Equipment rental rates vary greatly throughout the country. It is standard practice to base rates on ____________ hours per month.

When renting non-tractor equipment, the ____________is usually responsible for the cost of repairs due to normal wear and tear.

The type of excavating equipment selected, as well as the size of the equipment required for a project, should be based on the,

The average useful life of a 3/4 cubic yard hydraulic backhoe is ____________years.

At a density of approximately 25 pounds per cubic foot, 1" of vermiculite concrete has an insulating value equal to approximately ____________ inches of ordinary concrete.

The R value rating of a masonry wall constructed with 10" thick hollow concrete masonry units with a

The weight of 150' of 2-1/2" x 2-1/2" x 3/16" steel angles is ____________pounds. Select the closest answer.

An 8-inch light weight concrete block has an R value of

40,000 pounds will equal ____________metric tons. Select the closest answer.

A ____________ arch has horizontal or nearly horizontal upper and lower surfaces.

Information on the nature or the thickness of underlying subsurface rock is usually obtained by

The ____________sheets in the working drawings for a project will include the site survey and grading plans.

After acquiring a piece of construction equipment, the contractor should

A blueprint shows a rectangular building lot that scales out a 15.0" by 22.5". The scale given for the site plan is 1" 12". The area of the building lot is ____________square feet. Select the closest answer.

____________is the amount of time that an activity can be delayed and is obtained by subtracting its early start (ES) from its late start (LS).

Modifications issued after contract is signed are called a(n)

Well point systems are typically used for dewatering excavations. For specific applications, the general contractor should

According to a set of plans, a contractor is to construct a residential structure that measures 40' x 60' with a hip slope sloped at 5/12 slope. The total area of the roof is ____________ square feet. Select the closest answer.

Architects and Engineers specify that fill material is to be placed in layers from ____________inches and to compact each layer with some sort of roller or tamping equipment.

When cutting old or cured concrete, using a diamond blade of correct specification, cutting time may be ____________the amount given for cutting green concrete.

The typical swell factor for an average blasted rock is ____________ %.

Vermiculite is a mineral that expands, when heated, to about ____________ times its original size.

Which of the following statements is NOT correct?

Which of the following is NOT an advantage to using Tilt-up wall panel construction?

A minor arch with a maximum span of 6 feet and a load not exceeding 1000 lb. per foot is typically referred to as a ____________ arch.

A vertical plane represented by an orthographic projection of the outside building is a (an).

____________standard bricks are required to build an 8" thick 10 ft x 20 ft wall using a 3/8" bed joint. Select the closest answer.

If the lap is 4" wide and only a single thickness of felt is used, add about ____________% to allow for laps and the additional felt required at the top and bottom of wall.

A contractor is building a house with a hip roof. The slope of the roof is 5/12. The plan dimensions of the house are 40' x 60'. Assuming a 10% waster factor, the contractor should order ____________ sheets of plywood. Select the closest answer.

A contractor is buying a bundle of 2" x 6" x 8' long. The cost of lumber is $0.25 per BF. If the cost of the bundle is $100, ____________pieces are in the bundle. Select the closest answer

One of the easiest and most frequently used methods of computing grading cuts or fills for a plot plan that shows contours is the ____________ method.

A contractor has to excavate a drainage swale that is 200' long, 16' wide and has a depth of 2' with the ends vertical. If the soil to be removed is mud, the total volume of material to be removed from the job site would be ____________ cyd. Select the closest answer.

The principal objective of a construction schedule is to

The process of constructing the temporary end of a masonry wall with the end stretcher of every alternate course projecting is known as

A shelf or ledge formed by projecting successive course of masonry out from the face of the wall, pier or column is a

A method of construction for walls that greatly reduces the investment in large quantities of forming material is known as ____________ construction. In this method, the wall panels are cast on the ground and then raised into position.

A wall built of the wythes of masonry units, separated by an air space, and tied together is known as a (an). ____________ wall.

Another name for a major arch is a ____________ arch.

In an ordinary building foundation work, the most common type of pile to be used is

The late start of an activity is the

A contractor needs to purchase 25 lengths of structural steel angle, 2 1⁄2 x 2 1⁄2 x 1/2. Each piece of 20' long. The total weight to be purchased is ____________pounds. Select the closest answer.

The type of mortar recommended to be used for stone foundation walls is

Each of the following factors must be considered when estimating the costs for the excavation of a project. Generally, the easiest to quantify is the

A diesel backhoe has a 175 HP engine. The estimated fuel consumption for the backhoe is between ____________ gallons per hour. Select the closest answer.

A contractor is operating a 225 HP backhoe. The machine is operated for 7.5 hours per shift. If the contractor is working 6 days a week and wants to size a fuel tank to give himself a one-week supply of diesel fuel, the tank would need to hold ____________ gallons. Select the closest answer.

A contractor is estimating the amount of roofing material to buy for a project. According to Walker's, a waste factor of ____________% would be used to estimate the quantity of asphalt shingles for a structure with hip roofs, including dormers and valleys.

Based on the house plan below, the total roof area is ____________ square feet Select the closest answer.