BNI General Construction Costbook 2015 by William Mahoney Overview

The BNi General Construction Costbook 2015 is broken down into material and labour costs, to allow for maximum flexibility and accuracy in estimating. You’ll find this costbook data invaluable when preparing detailed estimates, bids, checking prices, and calculating the impact of change orders. What’s more, you get detailed man-hour tables that let you see the basis for the labour costs based on standard productivity rates. There are also extensive reference tables, providing supporting information, cost derivations, man-hours, estimating tips, and other related information. By purchasing this costbook, you will also receive the 2016 version on a no-risk free-trial basis. Free PDF version of this book that you can customize! As soon as you purchase this costbook you will receive an email containing a Personal Access Code you can use to download a complete PDF version of the entire book. You can even customize it by entering you own rates for 13 different labour classifications, and have every single cost item completely re-calculated. (Source: www.amazon.com)

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About Author:

William Mahoney is a veteran investor relations practitioner, journalist, and author. He spent twenty years as a communications and investor relations professional with companies such as Motorola, Scott Paper, and Esmark, and twenty-five years as an editor of investor relations and corporate governance publications, including Update, which is the official publication of the National Investor Relations Institute; Shareholder Value magazine; and the newsletter Valuation Issues. He has written a half-dozen books on investor relations and corporate governance. Mahoney began his career as a reporter for the Ft. Wayne News-Sentinel after graduating from Marquette University. (Source: www.amazon.com)

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82 CSCS Test Questions and Answers Free Online

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82 CSCS Test Questions and Answers Free Online - Page 1

In conventional construction, what is the standard size of floor/roof support members?

Compression
2x6 or greater
Axial load
The mortar

What are the standard size of floor/roof support members with lightweight construction?

LoadingEndsConnection points
BrickConcreteBlockStonework
2-4 hours, depending on the member
2x3 or 2x4with 3/8" OSB used as stems/webs

Lightweight construction relies on ____/____ for strength.

Tension and compressive
Lightweight construction relies on GEOMETRY/PHYSICS for strength.
Wood is the MOST COMMON building material used today.
Steel LOSES its strength as temperatures INCREASE.

A collapse in a lightweight building can happen completely without?

Truss
Tension
Warning
Joist

Concrete may be used as either a ____ or as a ____ ____ wall.

ConventionalLightweight - More use of geometry than mass
Concrete gains in STRENGTH for the first several weeks.
Steel LOSES its strength as temperatures INCREASE.
Concrete may be used as either a VENEER or as a LOAD BEARING wall.

How fast can a TJI joist system fail when directly impinged by flames?

3 minutes
5 minutes
Girder
Joist

Name 5 common firefighting problems for Type III construction (Ordinary)

1) Collapse2) Rapid burn times3) All structural elements add to the fire load4) Void spaces5) Fascias and overhangs
1) Encasement2) Membrane3) Spray on coating
1) Compression2) Tension3) Shear
1) Collapse2) Remodel/Renovation3) Age of structure4) Voids and Plenums5) Multiple use occupancy

How high do division walls project above the roof?

Truss
18" -24"
5 minutes
Axial load

Masonry is the common term that refers to:

BowstringArched truss
BrickConcreteBlockStonework
LoadingEndsConnection points
EncasementMembraneSpray-on coating

What is used now to replace mass?

Eccentric load
Compression
Truss
Geometry and physics

In Type III construction (Ordinary), floor joists are ____ ____ to prevent exterior walls from _____ inward when joists are burned through.

In Type III construction (Ordinary), interior walls, floors and ceilings are constructed of WOOD and other COMBUSTIBLE materials.
In Type III construction (Ordinary), pre-1950 exterior walls are generally brick and/or block with 2 WITHES connected by bond beams and/or kings row every 6th or 7th course of brick.
In Type III construction (Ordinary), floor joists are FIRE CUT to prevent exterior walls from COLLAPSING inward when joists are burned through.
Type II (Non-combustible) structural elements have LITTLE or NO PROTECTION from fire and its effects.

Name 3 benefits of lightweight roofs.

1) Cost2) Time to build (fast)3) Ability to span great distances
EncasementMembraneSpray-on coating
1) Encasement2) Membrane3) Spray on coating
1) Compression2) Tension3) Shear

What is the weakest part of any masonry wall?

5 minutes
Truss
Shear
The mortar

What are 3 structural elements of an arch?

LoadingEndsConnection points
Ordinary construction
EncasementMembraneSpray-on coating
BowstringArched truss

What is Type IV construction?

Eccentric load
Heavy timber construction
Fire-resistive construction
Tension

What is the term for: A vertical support member

Column
Joist
Beam
Truss

What is the fire resistive requirement for structural members in Type I construction?

2-4 hours, depending on the member
2x6 or greater
It will expand or elongate.
90 degree angle collapse

What are 3 fire protection methods used for steel?

BowstringArched truss
EncasementMembraneSpray-on coating
Heavy timber construction
LoadingEndsConnection points

Balloon frame construction is characterized by its _____ _____ channels that run from foundation to the roof square.

In regards to truss construction, current building practices utilize LIGHTER MATERIALS and substitute GEOMETRY and PHYSICS for mass.
Concrete contains WATER and continues to absorb more as it ages.
Balloon frame construction is characterized by its VERTICALLY UNINTERRUPTED channels that run from foundation to the roof square.
Lightweight construction relies on GEOMETRY/PHYSICS for strength.

A load parallel to the cross section of the supporting member that does not pass through the long axis, is what kind of load?

The mortar
Column
Warning
Torsional load

Modern building construction can be broken down into what 2 categories?

ConventionalLightweight - More use of geometry than mass
LoadingEndsConnection points
BowstringArched truss
Concrete gains in STRENGTH for the first several weeks.

Type IV construction (Heavy Timber) uses solid or laminated wood members of _____ _____/_____ for _____ _____.

Type IV construction (Heavy Timber) uses solid or laminated wood members of GREAT DIMENSION/MASS for STRUCTURAL MEMBERS.
Type II (Non-combustible) structural elements DO NOT ADD to the fire load.
In Type III construction (Ordinary), floor joists are FIRE CUT to prevent exterior walls from COLLAPSING inward when joists are burned through.
In Type III construction (Ordinary), pre-1950 exterior walls are generally brick and/or block with 2 WITHES connected by bond beams and/or kings row every 6th or 7th course of brick.

How are columns connected?

Bolted (most secure)Nailed/Screwed (moderately secure)Gravity fit (Subject to failure from lateral loads)
EncasementMembraneSpray-on coating
InterdependencySurface to mass ratioGeometryPhysics
1) Compression2) Tension3) Shear

In regards to truss construction, current building practices utilize _____ _____ and substitute _____ and _____ for mass.

Balloon frame construction is characterized by its VERTICALLY UNINTERRUPTED channels that run from foundation to the roof square.
Lightweight construction relies on GEOMETRY/PHYSICS for strength.
In regards to truss construction, current building practices utilize LIGHTER MATERIALS and substitute GEOMETRY and PHYSICS for mass.
Wood is the MOST COMMON building material used today.

What is Type III construction?

Wood frame construction?
Compression
Ordinary construction
Fire-resistive construction

Name 3 types of forces.

1) Compression2) Tension3) Shear
1) Encasement2) Membrane3) Spray on coating
Compression
Non-combustibleLimited Combustible

Steel is a mixture of carbon and iron ore heated and rolled into structural shapes that have types of strength?

Tension and compressive
Compression
Geometry and physics
Density and mass

How much will steel expand and at what temperature?

800-1100 degrees
Steel LOSES its strength as temperatures INCREASE.
Concrete alone, has LOW tensile strength.
1" for every 10' of length at 1000 degrees.

The final strength of concrete depends upon the ____ of water, cement and aggregate.

Concrete alone, has LOW tensile strength.
The final strength of concrete depends upon the RATIO of water, cement and aggregate.
Concrete gains in STRENGTH for the first several weeks.
Steel LOSES its strength as temperatures INCREASE.

What are 5 common firefighting problems with Type V (wood frame) construction?

1) Compression2) Tension3) Shear
1) Collapse2) Rapid burn times3) All structural elements add to the fire load4) Void spaces5) Fascias and overhangs
1) Burn time2) Strength patterns3) Predictable failure patterns4) Fails in sections rather than entirely5) Time
EncasementMembraneSpray-on coating

How quickly can lightweight wood and open web trusses fail when directly impinged by flames?

Girder
5 minutes
Truss
Joist

Exposed structural elements on Type II (Non-combustible) construction can ____ rapidly if directly impinged upon by flames.

Exposed structural elements on Type II (Non-combustible) construction can FAIL rapidly if directly impinged upon by flames.
Non-combustible construction
Concrete alone, has LOW tensile strength.
Heavy timber construction

What is Type II construction?

Non-combustible construction
Ordinary construction
Fire-resistive construction
Heavy timber construction

To avoid being trapped in collapse conditions within the buildings, where are the safer zones?

InterdependencySurface to mass ratioGeometryPhysics
1) Compression2) Tension3) Shear
EncasementMembraneSpray-on coating
Corners of buildingsAlong substantial exterior/interior wallsClose to doorways1 1/2 to 2 times the distance of the tallest wallNear or underneath desks, filing cabinets

Concrete alone, has ____ tensile strength.

Concrete alone, has LOW tensile strength.
It will expand or elongate.
Tension and compressive
Density and mass

New wood has a ____ moisture content than older wood and is not as ____.

Concrete gains in STRENGTH for the first several weeks.
Lightweight construction relies on GEOMETRY/PHYSICS for strength.
New wood has a HIGHER moisture content than older wood and is not as STRONG.
Wood is the MOST COMMON building material used today.

What are 3 types of masonry, exterior wall, collapse?

1) High temperatures while on fire2) Remodel/renovations3) Age of building4) Collapse
1) 90 degree angle collapse2) Curtain fall collapse3) Inward/outward collapse
1) Encasement2) Membrane3) Spray on coating
90 degree angle collapse

Roof decking can be:

EncasementMembraneSpray-on coating
1) Compression2) Tension3) Shear
1) Cost2) Time to build (fast)3) Ability to span great distances
PlywoodOSB or particleboardMetalConcreteSpace sheathing

What are 5 ways that beams can be supported?

LoadingEndsConnection points
Simple end supportsContinuous supportsCantileveredProppedFixed
InterdependencySurface to mass ratioGeometryPhysics
ShinglesBuilt up tar and gravelMembraneRolled RoofingSlate, tile, concreteRubberMetalOther

What is the term for a large structural member used to support beams and trusses

Beam
Arch
Shear
Girder

What kind of force tends to push or squeeze material together?

Truss
Tension
Compression
Column

BNI General Construction Costbook 2015 by William Mahoney Overview

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82 CSCS Test Questions and Answers Free Online

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