Optical Streams part 1 & 2 - CODAworx

Optical Streams part 1 & 2

Client: City of Lafayette

Location: Lafayette, CA, United States

Completion date: 2020

Project Team


Kana Tanaka

Kana Tanaka Art, Inc.

Metal fabrication

Tony Orantes

UrbanLab Design, Inc.

Project manager

Brian Long

Lafayette Library


Lafayette Library and Learning Center, Lafayette CA

Originally, 109 Chemical Symbols from the Periodic Table of the Elements were created for the Children’s Activity Deck in 2009. Now, updated with the addition of 10 new elements and moved to the two new locations: West Deck and under the skylight of children’s section. The organic pattern of the stainless steel armature that supports the elements is inspired by the shape of local creeks that run through the city of Lafayette.

Part 1: New Location 1. Skylight at Children’s Area: 2’ x 19’ x 9’
New Location 2. West Deck: 2’ x 36’ x 17’
Laminated dichroic glass and stainless steel

Part 2: 16 portholes along the south deck wall
Glass and plexiglas in steel tubing
9” in diameter, 10” in depth (each)


In the original design, the deck area was made for pre-school children, all the art elements are designed to be accessible for their eye-level. Reflections and colored shadow patterns from the glass art pieces are visible on the deck floor and walls.


Engineering was needed to accept 16 portholes on the deck wall (concrete inside). The application of waterproof membrane on deck wall inside the wooden surface was challenging.