First Baptist Church of Doylestown

Senior Thesis 2004 - Structural EmphasisJames Chester

Preliminary Phase II Design

First Baptist Church of DoylestownJames Chester – Structural Emphasis

FBC OF DOYLESTOWN

First Baptist Church of DoylestownJames Chester – Structural Emphasis

TOPICS

. BUILDING/PROJECT INFORMATION

. PROBLEM STATEMENT

. PROPOSAL

. BREADTH: ARCHITECTURE

. BREADTH: SCHEMATIC TECHNICAL SYSTEMS

. DEPTH: STRUCTURAL DESIGN

. CONCLUSIONS

First Baptist Church of Doylestown

. BUILDING/PROJECT INFORMATION

. GENERAL INFORMATION

. ARCHITECTURE

. INITIAL STRUCTURE

. PROBLEM STATEMENT

. PROPOSAL

. BREADTH: ARCHITECTURE

. BREADTH: SCHEMATIC TECHNICAL SYSTEMS

. DEPTH: STRUCTURAL DESIGN

. CONCLUSIONS

James Chester – Structural Emphasis

TOPICS

First Baptist Church of Doylestown

DESIGN TEAM:

Owner || First Baptist Church of Doylestown

Architect/Engineer || Mann-Hughes Architecture

Electrical || Response Engineers

Mechanical || T. Landes & Sons, Inc.

General Contractor || Berks Ridge Co. Enterprises, Inc.

James Chester – Structural Emphasis

BUILDING/PROJECT INFORMATION

First Baptist Church of Doylestown

PHASE I ADDITION:

Added || Gymnasium, Two Classroom Levels,

Meeting Area

Square Footage || 25,000 SF

Code || BOCA 1996

Cost || $3.8 Million

Site Characteristics || Sloped

James Chester – Structural Emphasis

BUILDING/PROJECT INFORMATION

First Baptist Church of DoylestownJames Chester – Structural Emphasis

BUILDING/PROJECT INFORMATION

ARCHITECTURE:

. 2 PHASE PLAN

. BRICK FAÇADE

. RECTANGULAR SITE

First Baptist Church of Doylestown

GRAVITY STRUCTURAL:

Gymnasium || Steel Shapes

Classrooms/Basement || Masonry bearing walls

Floors || Poured floor on metal deck supported with bar joists

(Non-composite design)

Foundation || Continuous footing below exterior bearing walls

spread footings support gymnasium columns

James Chester – Structural Emphasis

BUILDING/PROJECT INFORMATION

First Baptist Church of Doylestown

LATERAL STRUCTURAL:

(WIND LOADS GOVERN)

Gymnasium || Rigid steel frame both ways

Classrooms || Shear walls

James Chester – Structural Emphasis

BUILDING/PROJECT INFORMATION

First Baptist Church of Doylestown

. BUILDING/PROJECT INFORMATION

. PROBLEM STATEMENT

. PROPOSAL

. BREADTH: ARCHITECTURE

. BREADTH: SCHEMATIC TECHNICAL SYSTEMS

. DEPTH: STRUCTURAL DESIGN

. CONCLUSIONS

James Chester – Structural Emphasis

TOPICS

First Baptist Church of Doylestown

. Phase II to be designed

. Architecture

. Size

. Auditorium Considerations

James Chester – Structural Emphasis

PROBLEM STATEMENT

First Baptist Church of Doylestown

. BUILDING/PROJECT INFORMATION

. PROBLEM STATEMENT

. PROPOSAL

. BREADTH: ARCHITECTURE

. BREADTH: SCHEMATIC TECHNICAL SYSTEMS

. DEPTH: STRUCTURAL DESIGN

. CONCLUSIONS

James Chester – Structural Emphasis

TOPICS

First Baptist Church of Doylestown

. Layout Phase II

. Consider/develop auditorium HVAC and lighting needs

. Design the structural system

James Chester – Structural Emphasis

PROPOSAL

First Baptist Church of Doylestown

. BUILDING/PROJECT INFORMATION

. PROBLEM STATEMENT

. PROPOSAL

. BREADTH: ARCHITECTURE

. DESIGN

. STRUCTURAL IMPLICATIONS

. BREADTH: SCHEMATIC TECHNICAL SYSTEMS

. DEPTH: STRUCTURAL DESIGN

. CONCLUSIONS

James Chester – Structural Emphasis

TOPICS

First Baptist Church of DoylestownJames Chester – Structural Emphasis

BREADTH: ARCHITECTUREDESIGN

First Baptist Church of DoylestownJames Chester – Structural Emphasis

BREADTH: ARCHITECTURE

Important to Consider:

. Façade important to church

. Floor Plan functionality

. Gabled Roof Shape

. Structural/HVAC considerations

DESIGN

First Baptist Church of DoylestownJames Chester – Structural Emphasis

BREADTH: ARCHITECTUREDESIGN

First Baptist Church of DoylestownJames Chester – Structural Emphasis

BREADTH: ARCHITECTURE

. Rigid Steel Frame

. Masonry basement

. Brick Façade – intermediate support

STRUCTURAL IMPLICATIONS

First Baptist Church of Doylestown

. BUILDING/PROJECT INFORMATION

. PROBLEM STATEMENT

. PROPOSAL

. BREADTH: ARCHITECTURE

. BREADTH: SCHEMATIC TECHNICAL SYSTEMS

. DEPTH: STRUCTURAL DESIGN

. CONCLUSIONS

James Chester – Structural Emphasis

TOPICS

First Baptist Church of DoylestownJames Chester – Structural Emphasis

SCHEMATIC TECHNICAL SYSTEMSAuditorium Considerations - LIGHTING

. Downlighting

. Uplighting

. Theatrical Lighting

First Baptist Church of DoylestownJames Chester – Structural Emphasis

SCHEMATIC TECHNICAL SYSTEMSAuditorium Considerations - HVAC

. Multi-zoned Existing system

. Transmission Levels

. Exterior Units

First Baptist Church of Doylestown

. BUILDING/PROJECT INFORMATION

. PROBLEM STATEMENT

. PROPOSAL

. BREADTH: ARCHITECTURE

. BREADTH: SCHEMATIC TECHNICAL SYSTEMS

. DEPTH: STRUCTURAL DESIGN

. CONCLUSIONS

James Chester – Structural Emphasis

TOPICS

First Baptist Church of DoylestownJames Chester – Structural Emphasis

STRUCTURAL DESIGN

Structural Systems:

. Steel Frame

. Masonry Bearing Walls

First Baptist Church of DoylestownJames Chester – Structural Emphasis

STRUCTURAL DESIGNGravity System

. BOCA 1996 Loads similar to Phase I. High Stage Area Loads

. UFS Form Deck, 3” NW Concrete cover. WWM reinforcing

. 22K11 Floor Joists @ 2’-0” O.C. – Auditorium/Lobby

. 24K12 Floor Joists @ 2’-0” O.C. – Stage Area

First Baptist Church of DoylestownJames Chester – Structural Emphasis

STRUCTURAL DESIGNGravity System

First Baptist Church of DoylestownJames Chester – Structural Emphasis

STRUCTURAL DESIGNGravity System

23'-8" 27'-2

"

58'-6"

11'-0

"

N-S EXTERIOR/INTERIOR LOBBYNOT TO SCALE

First Baptist Church of DoylestownJames Chester – Structural Emphasis

STRUCTURAL DESIGNGravity System

. Girders ranged from W10x12 to W24x131

. Beams ranged from W12x58 to W14x82

. Columns were typically W10x33

First Baptist Church of DoylestownJames Chester – Structural Emphasis

STRUCTURAL DESIGNLateral System

. Lateral beams ranged from W10x22 to W12x53

. Columns designed with both axes in mind

First Baptist Church of DoylestownJames Chester – Structural Emphasis

STRUCTURAL DESIGNMasonry Design

. Loads from Auditorium and Lobby floor transferred

. Frame loads supported with concrete piers

INTERIOR

12” CMU, w/ #8 @ 32” O.C.

EXTERIOR

12” CMU w/ #5 @ 16” O.C.

First Baptist Church of DoylestownJames Chester – Structural Emphasis

STRUCTURAL DESIGNFoundation Design

. 3’-0” Strip Footing w/ #4’s @ 12” O.C. and (3) #5’s longitudinal

. 5’-0” x 5’-0” Spread Footings w/ (5) #5’s EA. WAY

First Baptist Church of Doylestown

. BUILDING/PROJECT INFORMATION

. PROBLEM STATEMENT

. PROPOSAL

. BREADTH: ARCHITECTURE

. BREADTH: SCHEMATIC TECHNICAL SYSTEMS

. DEPTH: STRUCTURAL DESIGN

. CONCLUSIONS

James Chester – Structural Emphasis

TOPICS

First Baptist Church of DoylestownJames Chester – Structural Emphasis

CONCLUSIONS

EFFECTIVE DESIGN?

First Baptist Church of DoylestownJames Chester – Structural Emphasis

CONCLUSIONS

YES!

EFFECTIVE DESIGN?

First Baptist Church of DoylestownJames Chester – Structural Emphasis

CONCLUSIONS

. Architectural Continuity

. Design questions answered

. Structural Consistency

EFFECTIVE DESIGN?

YES!

First Baptist Church of DoylestownJames Chester – Structural Emphasis

ACKNOWLEDGEMENTS

. Mann-Hughes Architecture

. First Baptist Church of Doylestown

. AE Faculty

. Friends and Family

. Fellow Students

First Baptist Church of DoylestownJames Chester – Structural Emphasis

Questions?