MECH289 F2023 - AS.3 - TERM PROJECT - INSTRUCTION FOR POSTING

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McGill University *

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289

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Jan 9, 2024

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MECH 289 McGill University DESIGN GRAPHICS TERM PROJECT: Drawings for the Chez Soi Housing Project OVERVIEW: Drawings are an essential means of communication and collaboration for both design and production processes. In order to fully contribute in these processes, one must have the ability to interpret and visualise what is represented in the drawings produced by others. In this project, rather than starting with a blank sheet and a list of design objectives, you will have the opportunity to work with (and hopefully learn from) an existing set of construction drawings for a multi-storey concrete structure. This drawing set will show you how to thoroughly and efficiently document a structural design in concrete. It will also be a useful reference for graphic standards. SCENARIO: Imagine that you are working in a firm of consulting engineers. You have been asked to draw a section through a building structure as part of an analysis of the structural support for the exterior cladding. You have been provided with a set of structural drawings for the Chez Soi housing project, with annotations to help navigate the information. You have also been given an AutoCAD template file prepared according to the CAD standards of the office. Your section has been indicated with a blue section cut line on the plans. Once you have completed the section, you will draw a typical slab edge detail that will show how the brick cladding is supported and then prepare a 3d model of detail (for bonus marks). Your first step will be to produce hand sketches of some of these drawings. REFERENCE - Structural drawings for the Chez Soi housing project (courtesy NCK Inc.) MATERIAL: - Extracts from CISC Handbook of Steel Construction - Extracts from CMHC Best Practice Guide for Brick Veneer Steel Stud FALL 2022

FINAL Required drawings (refer to detailed instructions on the following pages): PROJECT - Title page ; DELIVERABLES: - 1:100 section of the building structure; - 1:5 detail drawing of the slab edge steel bracket supporting the brick; - 3D rendering of the detail drawing (optional for bonus marks) - Upload your AutoCAD file on MYCOURSES. NOTE: The term project will not be graded until your .dwg file is received. FORMAT: - Your Final Report must be printed on 11x17 paper using the sheet layouts provided. Use the correct .ctb file. EVALUATION: Progress Report 5% of final grade Due date: Final Report 30% of final grade Due date: Final Report Criteria Drawing TP-1 Structural Building Section 16/30 Drawing TP-2 Detail Drawing 8/30 Drawing TP-3 3D Rendering (Optional for BONUS marks) +3/24 For each drawing, there will be equal weighting applied to completeness, accuracy, and, correct use of graphic standards. Overall format and presentation (title page, titleblock, .ctb file, layout, orientation, order of drawings, stapled, etc.) 6/30 Total 33/30 Late submissions will be penalised 5% per day, regardless of whether it falls on a weekend. All late submissions must be time stamped by the Mechanical Engineering Department Office (reception desk). DECEMBER 8TH 11:59 pm DECEMBER 1ST

MECH 289 McGill University DESIGN GRAPHICS TERM PROJECT: DETAILED INSTRUCTIONS Please read through all of the following instructions carefully before beginning your Progress Report. PROGRESS REPORT For the progress report, you are required to submit a hand sketch for the TP-1 sample section that we will do together in class and a hand sketch for TP-2. Do not submit AutoCAD drawings at this point. These two sketches will demonstrate your ability to visualize and synthesize the information given and will prepare your drawing content for AutoCAD. You are encouraged to add notes, dimensions and references, as this will help to collect all the information in one place. Given the level of detail, it is essential that you use a ruler, grid paper, and a sharp pencil. For Drawing TP-1, do your gridlines first, as this will help organise what follows. Submit your 2, 11x17, landscape-oriented drawings in order and stapled in the upper left hand corner. The following information must be included in the lower right hand corner of each drawing: Course number Semester Drawing number (e.g. TP-1, TP-2) Scale (1:50 or 1:5) Student Number Student name (LAST NAME, first name) For the titleblock, you can use a blank paperspace layouts from a previous AutoCAD assignment template or you can neatly print your titleblock information by hand on a blank sheet of paper. Tape your grid paper sketch in the drawing area and submit either the original or a photocopy. Keep a copy for yourself. FINAL REPORT Your final submission will be a drawing set consisting of 3 or 4, 11x17 landscape-oriented sheets, stapled together in order (i.e. Title page, TP-1, TP-2, and optionally TP-3). You must use the AutoCAD template file provided and follow the standards for line types, hatches, graphic symbols, and dimensioning. This template can be downloaded from MyCourses after the Progress Report submission date. Title Page Prepare a title page that clearly present the contents of your report. Include the project title, a complete drawing list, and a concise project abstract summarizing the purpose and academic context of your term project. Your name, ID and date must be prominently displayed on the title page. FALL 2022

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e.g. MECH289 TERM PROJECT “CHEZ SOI” HOUSING PROJECT STRUCTURAL DRAWING STUDIES DRAWING LIST TP1 STRUCTURAL BUILDING SECTION SCALE 1:100 TP2... ABSTRACT Drawing TP-1 The first drawing sheet is the 1:100 Structural Building Section . Accurately draw all concrete elements that are cut in section as well as the concrete elements visible in elevation (columns, walls, slabs, etc) to a view depth of 6000mm. To begin this drawing, you will first need to carefully study the annotated structural reference drawings provided (best viewed on Adobe Reader.) Please read all comments to familiarise yourself with the material. They are there to guide you and identify the relevant information. Ideally, you would print these drawings out on 11x17 or larger paper, using a good quality printer, so that you don’t have to switch constantly between screen views. When you are ready to begin on AutoCAD, simply modify and add new grids and levels, some of which are already positioned in your viewport (refer to the paperspace view of TP-1 below.) FALL 2022

A legend containing all the required graphic elements is provided in modelspace – you need only copy/paste or match properties to conform to the standard. This will allow you to focus on the content and geometry of the drawing, rather the properties of the drawing elements themselves. Snapshot of TP-1 modelspace legend for graphic standards Begin by drawing and labeling all gridlines and elevation (height) references. Provide dimensions between gridlines and between elevation heights. No other dimensions are required on this drawing. Hatch all sectional elements as shown in the legend. Once you have drawn the foundations, basement and first floor, you can then hatch the ground outside the foundations (using the hatch type as shown on the legend). A ground line should be drawn at 300mm below the T.O.S. LEVEL G (i.e. top of slab, ground floor). Complete the drawing by positioning the detail call out (referencing drawing TP-2) at the slab edge of the 6 th floor level, where the section cuts through the heavy dash-dot line on S9-0 (noted as “LINTEAU DE BRIQUE,” which means “brick shelf angle”). Refer to the S9-0 extract below. FALL 2022

Drawing TP-2 The second drawing sheet is the 1:5 Brick Shelf Angle Detail . The structural steel elements for this detail are described on the upper left hand corner of S6-0 (reprinted below right). To help visualize the steel elements, an image has been provided of a similar assembly, involving a steel embed plate with Nelson studs welded to a galvanized HSS (hollow structural section) square tube and shelf angle. For reference, you have been provided the relevant pages of the CISC Steel Handbook (see Appendices). Assume that the head of the Nelson stud is 20mm in diameter and 6mm deep (included in the total length of 150). Because the Nelson studs are set in the concrete, we will represent them using hidden lines (unlike the drawing shown). Do not draw the reinforcing bars (i.e. black dots indicated as “armature”). Your detail must include the closest gridline and the dimension from the gridline to the edge of the concrete slab. The elevation tag for T.O.S. (top of slab) Level 6, must also be provided. These references help the person looking at your detail to locate it on the plan (and in their mind’s eye). NOTE: the bottom of the shelf angle must be aligned with the bottom of the concrete slab. The purpose of the shelf angle bracket is to support the vertical load of the bricks. For safety reasons, the Building Code requires shelf angles at each floor level above a certain height. A space is left between the bottom of the shelf angle and top of the brick cladding to allow for thermal and moisture expansion of the brick as well as the shrinkage and deflection of the concrete frame. The square HSS spacer helps reduce thermal bridging (thermal transmission via conductive materials in the wall which can result in heat loss and condensation); it also provides a space for insulation. To understand the end result, refer to the CMHC document in the Appendices, which shows the complete wall assembly for a similar building detail. For Detail TP-2 you are only required to draw the structural elements shown above and 6 rows of brick: i.e the 3 rows above the shelf angle and 3 rows below. The outside face of the brick is set 170mm from the outside face of the concrete structure. Assume that a modular brick is 57mm high x 92mm wide (x 195mm long) and that 3 bricks with 3 mortar joints equal 200mm. There is no mortar joint between the shelf angle and the first brick and also no mortar joint on top of the last brick. Front view of plate PL 175x150x10 FALL 2022

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Drawing TP-2 (cont.) Based on the brick spacing given, and assuming that the 5 th floor has the same shelf angle detail, calculate and provide the dimension for the expansion joint (i.e. empty space) under the shelf angle of the 6 th floor. The easiest way to calculate this is to draw it. The following dimensions must also be included in your drawing: the distance between the outer face of the concrete slab and your gridline, the distance between the edge of the concrete slab and the outer face of the brick, and the height of the three brick + three mortar joints. Drawing TP-3 (optional for bonus marks) The final drawing sheet will be used to present two views of your 3D Renderings for the TP-2 Detail . Create a real 3D model, not a 2D pictorial view. Include all the elements from TP-2: a portion of the concrete structure, the steel elements, and six courses (i.e. rows) of bricks and mortar. Brick staggered by half a brick between courses in what is known as a “running bond.” The concrete and brick courses should be modeled to a distance of at least 500mm (~2½ brick lengths). The concrete, bricks and mortar should be modeled in such a way that all the steel elements are clearly visible in at least one view. Give your slab transparency or simply draw a 3D outline to show its form. Present 2 views of your 3D model using 2 viewports on the same sheet. FALL 2022

APPENDICES FALL 2022