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Zane Middle School tessellating concrete path

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ENGR215 Project Page in Progress
This page is a project page in progress by students in Engr215. Please refrain from making edits unless you are a member of the project team, but feel free to make comments using the discussion tab. Check back for the finished version on CHANGE THIS TO THE DATE OF FINALS WEEK.


The goal of this project is to design and create designated concrete stepping stone pathways to replace a preexisting rectangle shaped area filled with mulch in front of the school for the students at Zane Middle School in Eureka, California. Pathways will incorporate school spirit and education value by having falconhead imprints on each concrete square that makes up the path. There should be an image near the top. (image will be added when final design is complete)


This project is carried out by the group, The Green Dream Team under the supervision of instructor Lonny Grafman in the 2017 Spring semester of the Engineering 215 Introduction to Design course at Humboldt State University in Arcata, California. The administrator of this project is Trevor Hammons, whom is the Counseling Services Director at Zane Middle School. An organized aesthetically pleasing walkway system through the rectangular area is what Trevor wishes to be fulfilled. The falcon heads will be created in an MC escher style, which is the interlocking of one image within itself in an ongoing pattern. A pathway that contains easy accessibility and school inspired design produces a safe and positive learning environment while the students are walking to class.

Problem statement and criteria[edit]

The Objective of this project is to provide a piece of land that will be used to improve the aesthetic value of the school. In order to do so, native plants, pathways, and benches will be placed. Not only would this help beautify the school but also act as a pick up area for the children. This area is expected to last for a long period of time so there should be an ease of navigation and be maintainable.

Criteria Constraints Aesthetics >the latest permeable path introduced to Catherine L. Zane middle school Ease of maintenance about as much effort as it takes to maintain grass covering Ease of navigation > than the current state as a dirt lot: both in terms of the difficulties of mud in the wet seasons and as well as the prevention of child stagnation Safety greater than or equal to current government regulations Level of sustainability >current government regulations for construction upon sites owned by either public or private entities Durability lasts indefinitely without any major maintenance or replacements/fixes Education similar to projects that promote sustainable design Inspiration similar to projects that promote sustainable design

Description of final project[edit]



Quantity Material Source Cost ($) Total ($)
1 Bender Board The Mill Yard 20.00 20.00
1 Quikrete The Mill yard 5.00 5.00
1 Quikrete Portland Cement The Mill yard 12.95 12.95
1 Quikrete All Purpose Sand The Mill yard 7.95 7.95
1 Cala Lily Costco 6.95 6.95
2 Plastic Bucket The Mill yard 5.95 5.95
1 Wooden Spoon ACE 2.95 2.95
Total Cost 68.70

Testing Results[edit]

Tests will be - (i) stepping stones: (a) adhesion to mud, (b) do they pass the kid lift test?, © general aesthetics (ii) layout: (a) general aesthetics, (b) Z’s or N’s?

How to build[edit]

Stepping Stone Construction
Caption Step 1 : On a wooden slab, draw dimensions of 1x1’. Make marks where bender board (i.e. for the width of the bender board) will fit inside wooden supports. Measure width of wooden supports and draw those dimensions on the wooden slab. Drill holes for placement of wooden supports. Attach supports.
Caption Step 2 : Drill holes for placement of wooden supports. Attach supports.
Caption Step 3 : Attach supports.
Caption Step 4 : Cut bender board into four segments of two different lengths. Cut such that the area of the inside of the four segment will be 1 ft^2 (i.e. with respect to the width of the bender board). This will give two long pieces of the same length and two short pieces of the same length.
Caption Step 5 : For stamp design, create template in ACAD and synthesize plastic form.
Caption Step 6 : The stamp chosen for the final project solution was of a singular design (i.e. tessellated by hand)
Caption Step 7 : Place stamp centered in the 1'x1' slab of concrete prior to completion of drying process. Five should be able to fit centered within the slab


The groundworks project requires very little maintenance due to the permanent stability of the concrete stepping stones.


How to create an imprinted stepping stone to form a pathway
falconhead design for stepping stone Step 1 : Create a design.
Aleiha's parabolic solar cooker Step 2 : Make a stamp from it.
Backpack frame bike trailer Step 3 : Make a mould that will be the size of the stepping stone wanted


-Stepping stone cracks: Replace stepping stone

-Residue and rocks get into design: sweep out remains in order to provide traction

Discussion and next steps[edit]

Temporary: Following the final implementation of the design will be the analyzing of how it has affected the school. Seeing how the design on the stepping stones is included is learning activities and the success of those lessons will determine how well they impacted the school. Lastly, the way that the students use the pathways to diminish traffic will be seen to reflect on how it works.

Suggestions for future changes[edit]

This section will be filled in once knowing how the final product is used by the students and how it could be better with changes (This is where to lay out suggestions for how to make the project function better in the future. )


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