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Dive into the design process of a multiple-family home in New Orleans, emphasizing modern construction techniques and adherence to FEMA base flood elevation requirements.
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Robert Adkins Et 494 Instructor: Dr. CrisKoutsougeras Advisor: Mr. Rode 12/04/2013 Senior Design Project
Abstract • My senior design project will embody many disciplines from the engineering profession. • In particular, my project will demonstrate modern construction based engineering techniques that I have learned throughout my career at southeastern. • For this project I will fully design a multiple family home that will resemble a traditional New Orleans style home.
Project Will Include • Rough design sketch • Construction estimate • Detailed project schedule • Property and structural drawings (preformed on AutoCAD) • Property analysis
Site Analysis • Investigated different types of structures • Took basic measurements to assist in design • Researched current building code in different areas to insure proper design for structure in this area.
Site Analysis contd. 6910 Orleans Ave New Orleans, LA 70124 (Lakeview) • The site I choose for my project is in Lakeview. • Lakeview is a community in New Orleans and was hit hard by hurricane Katrina and because of this all construction on newhomes in this area must be raised. • Lot size: 50 x 145
PiliminaryDesign • When building a house in New Orleans engineers face several building requirements and constraints. • All new homes build in New Orleans (Lakeview area) must be raised. • The height someone must build their home is based on FEMA BFE (base flood elevation) requirements. • The BFE for the area my building is between 1.5 ft – 3.5 ft.
Design contd. • Through my investigations and research I decided the suitable height for my structure should be 4ft or 48in. • Using this elevation will ultimately decrease the structures chances of being devastated by flooding. • To achieve this elevation proper foundation support is critical.
Footings • Footings for each post will consist of 24”x24”x12” concrete block pads with #4 rebar ties for support. • The exterior foundation walls will consist of 24”x24”x12” concrete around the perimeter of the structure. • Due to soil conditions in this area purlins must be utilized to decrease the chance of foundation and structure damage due to the land sinking.
Post and Beam • Posts typically extend from separate concrete footings to beams or girders that are connected to the foundation. • Posts are spaced at standard intervals around the perimeter of the building and at intermediate points beneath the building. • I have utilized a post and beam foundation.
Post • The post will consist of concrete masonry units. (CMU) • The post will consist of 5 CMU stacked with #3 rebar that will secure or tie into concrete pads. • The rebar is usedto strengthen the structures foundation. • The post will be filled with concrete for additional support. • The post will support girder beam.
Girder • A girder is a structural support which is designed to carry transverse loads, and to transfer those loads to vertical supports such as columns. • The building I have design will use 6”x8” girder. • The girder will be spliced and connected using steal plates located above each post.
Foundation contd. • Floor joist- 2”x12”x20’ using these joist will allow me to span approximately 20’9’’ (16’’oc). • Each floor joist will be connected using joist hangers. • Rim joist- 2”x12”x20’ • Sill plate- 2”x8”x8’ (treated) the sill plate will be secured to foundation using 5/8” anchor bolts (24”oc) • ¾” plywood for flooring (tongue and groove)
Wall System • Wall studs – 2”x4”x10’ (16’’oc) • Corner post- (3) 2”x4”x10’ • King stud- 2”x4”x10’ • Header- 2”x6” • Top and Bottom Plate- 2”x4”x8’ (double top plate and treated bottom plate) • Windows- 2’x3’ and 6’x6’ • Doors- 80”x36”x1 ¾” • Center wall • Wall studs- 2”x4”x10’ (staggered) • Top and Bottom Plate- 2”x6”x8’
Roof System • My structure has a Gable Style roof. • Ceiling joist- 2”x8” (16”oc) • Rafter- 2”x6” (24”oc) • Pitch- 8/12 • Ridge beam- 2”x12” • Gable wall studs- 2”x4” • Sheathing- ½” plywood • Felt paper- 15lb • Shingles- Three tab 36’’x12”
Schedule • Scheduling is the process of breaking down a large project into smaller activities to determine the amount of time each activity will take. • Each activities beginning will depend on a previous activity. • The schedule will identify the total time duration of a project as well as each activities time duration • Project Name : New Orleans Multiply family home • Start Date: 06/03/2013 • End Date: 12/27/2013 • Total Duration: 208 days • Total Working Days : 151 days Et 494 (backup)\Et 494 Schedule.xlsx
Deliverables (Last Semester) Timeline 01/22/2013 – 02/07/2013 • Determine structure design 02/07/2013 – 02/14/2013 • Research and investigate different design possibilities 02/14/2013 – 02/21/2013 • Design foundation 02/21/2013 – 02/28/2013 • Design wall system 02/28/2013 – 03/18/2013 • Begin foundation estimate 03/18/2013 – 03/28/2013 • Design roof system and begin wall system estimate 03/28/2013 – 04/12/2103 • Begin roof estimate 04/12/2013 – 04/22/2013 • Complete estimate and design 04/22/2013 – 05/10/2013 • Finalize all aspect of project, make adjustments as needed, and verify project outcome with advisor
Deliverables (This Semester) Timeline 08/21/2013 – 10/20/2013 • Perform detailed drawings of structure on auto cad 10/20/2013 – 10/27/2013 • Perform detailed schedule 10/27/2013 – 10/30/2013 • Make adjustments to drawings and schedule according to design 10/30/2013 – 11/15/2013 • Finalize scheduling and begin detailed estimate according to complete drawings 11/15/2013 – 11/28/2013 • Finish detailed estimate on excel 11/28/2013 – 12/05/2013 • Finish all aspects of project (design, drawings, schedule, and estimate)
