steel framed parking solutions - eshow · 2013-03-11 · steel framed parking solutions monica...

Steel Framed Parking Solutions

Monica Shripka, P.E., LEED APAmerican Institute of Steel Construction Upper Midwest Regional [email protected] 312.804.3634www.aisc.org

Parking

MARKETINGPUBLICATIONSREDESIGN

Regional Engineers


technical assistance

[email protected]

conceptual solutions


The Structural Steel IndustryStructural Steel


1980

12 man-hours/ton

2009

0.5 man-hours/ton

40% higher strength

1/3 the energy

38% reduction in carbon emissions

67% reduction in overall emissions

EPA best industry performance

Structural Steel Steel Industry Progress


Structural Steel

Scrap Selection Electric Arc Furnace

Ladle Refining

Finished Product Rolling Mill Continuous Casting

EAF Steel Production


Do you know that structural steel framed parking

garages...

...represent 11% of all structured parking spaces built in 2008?

Parking Facts


Advantages

Advantages of Steel Framed Parking Structures:• Superior long-term durability

• Lower construction costs

• Reduced construction time

• More parking spaces

• Reduced foundation requirements

• Bright open interiors for added safety

• Reduced maintenance costs – Ease of inspection

• Vertical expansion

• Design flexibility – Façade options

• Sustainability


garages...

...can be built with any type of deck system?

Parking Facts

Parking Deck Systems Pre-Topped Precast Double T’s

New York JFK Airport

Parking Deck Systems Pre-topped Precast Double T’s

Tufts Health Plan

Watertown, Mass.

Manchester Airport

Parking Deck Systems Pre-topped Precast Double T’s

Newark Airport, NJ

Parking Facts

Relative CostsStructural Steel – Metal deck 1.00

Structural Steel – Precast tees 1.35

Structural Steel – Post tensioned deck 1.60

Concrete post tension frame and deck 1.80

Precast frame and tees 1.50

Structural steel is readily available


garages...

...are cost-effective?



garages...

...get built faster?

Parking Facts

Week 10 – Over 350,000 SF! Enough Said!



garages...


Parking Facts

January 2006

April 2006



garages...


Parking Facts

September 2006

July 2006



garages...

...provide a higher service level for parking in the same

footprint?

Parking Facts



garages...

...weigh 20% less than garages using other framing systems?

C-I-PPost-

tensioned

C-I-PStay-in-place

PrecastDouble Tees

C-I-PFrame

105-107 psf

PrecastFrame

113-115 psf

SteelFrame

82-84 psf 84-88 psf 94-97 psf

Parking Facts


garages...

...provide a greater degree of openness and security?

Parking Facts



garages...

...cost less to maintain over the life of the garage?

$2,000,000

$2,250,000

$2,500,000

$2,750,000

$3,000,000

$3,250,000

$3,500,000

$3,750,000

1 3 5 7 9 11 13 15 17 19 21 23 25 27 29 31 33 35 37 39 41 43 45 47 49 51 53 55 57 59

Years

2002

Dol

lars

Steel

Concrete

Parking Facts


...have inherent ease of visual inspection?

Parking FactsDo you know that structural steel framed parking

garages...

Portland AirportPortland, OR



garages...

...can be easily expanded horizontally and vertically?

Parking Facts

Station SquarePittsburgh, PA

Portland AirportPortland, OR



garages...

...provides for aesthetic expression?

Parking Facts


...and exercise greater aesthetic flexibility?

Parking Facts

Burlington AirportBurlington, VT

Harrisburg AirportHarrisburg, PA

Yale UniversityNew Haven, CT



garages...

...provides for aesthetic expression?

Parking Facts

Station PlacePortland, OR



garages...

...can fit easily on complex, irregular sites?

Parking Facts

Station PlacePortland, OR



garages...

...are inherently more sustainable?

1 ton of steel 8 tons of concrete93% recycled content 5% recycled content - maybe1.0 ton CO2/ton 1.6 tons of CO2/8 tons70 gallons of water/ton 150 gallons of water/8 tons1,860 pounds of recycled 480 pounds of recycled

material/ton material/8 tons

AT END OF BUILDING LIFE1,960 pounds multicycled 3,200 pounds down-cycled/8 tons40 pounds landfilled/ton 12,800 pounds landfilled/8 tons

Based on equivalent utilization in a building’s design

=

Parking Facts



garages...

...are the subject of several myths?

Parking Myths


Myth #1 - CorrosionParking Myths



Cricklewood Hill ApartmentsPittsburgh, PA

35 years with no maintenance


Preventing Corrosion in Steel Construction—Several Options:

1. Specify a multi-coat paint system with a zinc-rich primer and quality surface preparation SSPC-6 or SSPC-10

2. Specify galvanizing3. Specify a duplex system


Myth #1 - Corrosion

How good are high performance coatings?

Without any maintenance for 15 years

only 0.5% would require touch-up

Parking Myths

Myth #1 - Corrosion

Galvanizing

www.galvanizeit.org

Parking Myths

Myth #1 - Corrosion

Preventing Corrosion in Steel Construction—Further Considerations:1. Take special care in the fabrication and

erection process2. Regular visual inspection3. Adhere to suggested maintenance programs.

Parking Myths

Myth #2 – Fire Protection

What is an open-deck parking structure?

Parking Myths


What is an open-deck parking structure?

OPENHEIGHT

USE

Parking Myths


Fire Protection is NOT required

in all cases!

Parking Myths

Myth #2 – Fire ProtectionParking Myths

Example of Intumescent Paint

Myth #2 – Fire ProtectionParking Myths

Example of Troweled on Fire Protection

A second option for the location of the “branding title.”A second option for the location of the

“branding title.”

steel framed parking solutions - eshow · 2013-03-11 · steel framed parking solutions monica...

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