Doña Ana Community College Addition

Group B:Eric NavarroJose Nunez

Miguel TorresAngel Morales

Luis Elias

Doña Ana Community CollegeEach year the enrollment increases so in order to meet this demand they need to expand the facilities.

The objective of this project is to create an addition for the

Doña Ana Community college in the border community.

The Project

Job Site

Location: 1700 East O'Hara Rd. (Anthony Gap)

Job Site

The addition will take place here:

3 ClassroomsComputer lab3 Offices2 Bathrooms2 Storages

Design

Fabrication of tilt-up building walls

Concrete Tilt-Up Panels

Design

Tilt-up can be consider as a simple supported beam.

Pw= 20 psf.

H= 16 ft.

H Total = 19 ft.

Length will vary.

Metal Studs

Components

Stud Connections

Partitions

Openings

Insulation

Plasterboard

We used:720 ft metal tracks.270 Pc Metal studs (10 ft)180Pc Plasterboard (4’ x 10’)3600 ft^2 Insulation

A Look At The Project Tilt-Up Construction

Design of a Beam• Required moment

Mu= 212.62k-ft

• The Beam in dimensions 12 x 16 with 4#9 bars• The Nominal moment Capacity Mn= 235.1k-ft

• The Strain of the Steel 0.0052

• Deflection= 0.21in.

• Maximum Deflection=1.03in.

Deflection= 5wL4

384EI Mu=WuL2

8

ØRn=Mu__

Øbd2

Concrete Tilt Top Panel and Open Web Steel Joists

• Design Distributed load of wu=337.7 lb/ft

• Open Web Steel Joists, 22K6 wn= 347 lb/ft

• Deflection=0.58in.

• Maximum Deflection=1.03in.

• Concrete Tilt Top Panel

Description Pressure (psf) lb/ft

Metal Deck, 18 gage 3

Insulation Roof Boards 1.5

Steel Joists, 22K6 @ 31 ft 9.2

Mechanical Ducts 4

Skylight, Metal Frame, (3/8") 8

Gypsum Board, (5/8") 2.75

Water Proofing Membranes, 0.7

Single Ply Sheet

Acoustical Fiber Tile 1

Suspended Channel System 2

Assumed Beam Weight 40

Total Roof Dead Load 25.02 lb/ft2

Live Load 20 lb/ft2

Roof –Dead Loads Analysis

Column Analysis

12”

16”

• Dimensions

12 x 16

• Area of Steel

8#9 bars

• Column Ties

#3 bars @ 13”• Slenderness ratio

• Moment magnification= 1.07

Nominal Force on column : ΦPn =Φ.80[(.85)(f’c)(Ag-As)+(fy)(As)] KL < 34- 12( M1) r M2

SUSTAINABLE BUILT DESIGN

Insulated windows

Insulation boards (WALLS)

Insulation boards (ROOF)

Water storage tank

SUSTAINABLE BUILT DESIGN

Insulated Windows

Low-E windows

Reduce energy Cost 25% to 50%

Increase confort levels.

Eliminate hot and cold spots

Reduce noise up to 70%

SUSTAINABLE BUILT DESIGN

Insulation Boards (WALLS)

Energy Saver

Insulates any part of the building

Good thermal resistance

Reduces heat conduction

R19

SUSTAINABLE BUILT DESIGN

Insulation Roof Boards

Heat insulation, waterproof, fireproof Less smoke and harmful gas Chemical resistance Wide temperature limit R30

SUSTAINABLE BUILT DESIGN

Water Storage Tank Advantages:

Independent water system Gather water for recycling Irrigation purposes

Questions?