TECHNICAL INFORMATION:

REFERENCESAND DATA SHEETS

The links below provide a series of helpful technical information useful for design and engineering.

Head losses in closed pipe–Graphical (1/2″–>8″ Diameter)

Head losses in closed pipe–tables (3/8″–>6″ Diameter)

Hazen-Williams head loss calculator Water velocity in closed pipe

Periodic Table of the Elements:  Standard

Periodic Table of the Elements:  Dynamic

Conversion
Calculator
Conversion Tables  
THE GREENING OF COSTA RICA

A series of essays that focus on sustainable development, renewable resource, green engineering, and helpful tips for off-the-grid living and eco-friendly development in Costa Rica.

Costa Rica’s call to lead sustainability in the Carbon Age

Clearing the air of the bio-fuel boondoggle

The Winds of change start at around nine miles per hour