PCJ Zamudio Architects

21/02/2026

A technical breakdown of a concrete staircase under construction, likely for a residential or commercial building. It serves as a visual guide for the structural dimensions required for a standard "U-shaped" or "switchback" stair design.

TECHNICAL BREAKDOWN OF DIMENSIONS
The image highlights several key architectural measurements necessary for calculating the rise, run, and footprint of the stairs:
• Total Vertical Rise (): This indicates the floor-to-floor height that the staircase must bridge.
• Step Width (): Both flights of stairs are shown to be 1 meter wide, which is a standard width for comfortable passage.
• Riser Height (): The vertical face of each individual step.
• Tread Depth (): The horizontal surface where a person places their foot.
• Landing Dimensions (): The intermediate platform where the stairs turn 180 degrees. The width accounts for the two wide flights plus a gap (wellhole) between them.

OBSERVATIONS ON CONSTRUCTION & GEOMETRY

THE "STEP" MATH
Based on the provided riser height and the () total height:
• Number of Risers: risers.
• *Note:* In a real-world scenario, a builder would likely adjust the riser height slightly (e.g., or ) to ensure an equal number of steps, as uneven steps are a major trip hazard.

STRUCTURAL CONTEXT
• Material: The stairs are cast-in-place reinforced concrete.
• Formwork: You can see wooden support beams and shoring underneath the concrete, which hold the heavy wet cement in place until it cures and gains structural integrity.
• The Landing: The landing is a critical structural element that acts as a transition point. It appears to be integrated into the surrounding masonry walls for support.

VISUAL DETAILS
• Perspective: The photo is taken from an elevated "bird's-eye" view looking down into the stairwell.
• Environment: The surrounding area shows an active construction site with raw concrete walls, wooden debris, and exposed rebar visible in the upper right corner.
• Layout: The staircase is a "half-turn" design, meaning it goes up one flight, hits a landing, and turns back in the opposite direction.
• Safety Tip: These dimensions represent a relatively steep but standard staircase. Building codes often require a specific ratio between the rise and run (tread) to ensure the stairs are safe for all ages.


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14/12/2025

Precast Building - The LEGO-Inspired Future of Construction

Precast building brings a modular, LEGO-like approach to modern construction. Each structural element-walls, slabs, beams, and columns-is manufactured in a factory under strict quality control, ensuring accuracy, strength, and consistency. These components are then transported to the site and assembled quickly, reducing labour, time, and overall project costs. Because the pieces are designed to fit perfectly, construction becomes faster, cleaner, and more predictable. This method also supports greener practices by reducing waste, minimizing onsite disruption, and optimizing material use. Precast systems enable architects and engineers to build smarter and more creatively, transforming ideas into reality with precision. It's efficient, sustainable, and truly the future of construction, one block at a time.

Video courtesy:

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13/12/2025

Exploring future construction tech! A drone-based concrete pouring concept-innovative, bold, and thought-provoking for our industry.
Saw this concept of a drone pouring concrete - definitely a wild idea, but interesting to see how fast construction tech is evolving.

14/10/2025

Ang sketch na makikita sa image ay isang conceptual study na tinatawag na Architectural Bubble Diagram. Ginagamit ito ng mga architect para ipakita kung paano magkakaugnay at anong mga space ang magkakalapit sa loob ng bahay.

Sa parteng ito ng planning, kinokonsidera na ng architect ang 4 cardinal directions (North, South, East, West)... ito ang mga pangunahing direksyon na ginagamit para malaman ang orientation ng lote, kung saan tumatama ang araw at dumadaan ang hangin. Mahalaga ito para makuha ang tamang liwanag, ventilation, at natural flow ng bawat area.

Ang bawat bilog ay kumakatawan sa isang space, at ang arrow na nagdudugtong sa kanila ay simbolo ng accessibility o koneksyon ng mga zone. Ito ang unang hakbang sa spatial planning bago pa magsimula ang final design.

23/07/2025

Soon to be done!

From Krokis to Build the simple Proposed 3-Storey Apartment Bldg.

**Salamat po Panginoon.**🙏😇💪✍️

*****on

13/04/2025

The image shows a construction site with exposed foundations for a building. The ground has been excavated, revealing trenches and prepared areas for the foundation elements.

Here's a detailed description of the visible components:

* Excavated Trenches: Deep trenches have been dug into the earth, outlining the footprint of the future building's foundation. The soil is reddish-brown.
* Isolated Footings (Zapatas): Several concrete footings are visible within the trenches. These are individual support elements for the building's columns. One footing in the foreground is specifically labeled "Zapata" with an arrow pointing to it. This footing appears to be a rectangular block of concrete.
* Tie Beams (Viga de conexión): Connecting the isolated footings are horizontal beams. One such beam is labeled "Viga de conexión" with an arrow pointing to it. A dimension indicating the height of this beam is also shown as "30cm". These beams help distribute the load and provide stability to the foundation system.
* Column Reinforcement (Columna): Rising from one of the footings is a steel reinforcement cage, which will form the internal structure of a column. This is labeled "Columna". The reinforcement consists of vertical bars held together by horizontal ties.
* Dimensions: The image includes dimensional markings around one of the footings. It shows that the width and the depth of the excavation around this particular footing are both "1.50m".
* 3D Model Overlay: A semi-transparent 3D model of the foundation structure is overlaid on the actual construction site. This model provides a clearer visualization of how the individual footings, tie beams, and columns will be interconnected to form the complete foundation system. The model shows a grid of tie beams connecting multiple footings, with columns rising from some of them.
* Surrounding Environment: In the background, there are signs of ongoing construction with some materials and possibly other excavated areas visible. There's also some vegetation and parked cars in the far background, suggesting this is an urban or suburban construction site.

Overall, the image provides a clear view of the initial stages of construction, specifically focusing on the preparation and construction of the foundation for a building using isolated footings connected by tie beams and supporting columns. The labels and dimensions in Spanish help identify and understand the different components and their sizes.


゚viralシ ©️

24/10/2023

“Home is a place you grow up wanting to leave, and grow old wanting to get back to.”

゚viralシ ゚

13/09/2023