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Depending on the age of your home, you may have single-pane windows or double-pane insulated windows. Replacing a broken single-pane window can be easily accomplished by a homeowner with the right tools, materials, and a little time, over the period of a week or so. However, if a double-pane insulated window breaks, you will need to replace it. You should contact the manufacturer of the window and replace the affected wooden glazed sash or vinyl window glass pack. If you cannot locate the manufacturer, you should hire a local glazier to replace the broken glass with a custom-fit sash or glass pack.

Welcome to the On Site channel’s Construction Administration Column. If you are midway through a project, how do you determine the official start date?

Columnist David A. Todd, P.E., CPESC, has 37 years of experience in the architecture, engineering, and construction (AEC) industry and has performed much construction administration during that time. He will answer questions from our readers or from his own practice and will provide answers based on his understanding of the construction process and administration of the construction contract. The focus will be on the customary duties of the owner, contractor, and design professional as typically described in the contract documents.

Denver’s Union Station is a regional multi-modal hub that embodies everything about Denver’s upbeat future. The Union Depot & Railroad Company built Denver's first Union Station at the city's northwest edge. It cost $525,000 to build and opened on June 1, 1881. Union Station houses the Amtrak service and, more uniquely, the Ski Train, a local favorite that takes skiers on an entertaining ride through the Rockies to the Winter Park Ski Resort.

A Bainbridge Island home represents a marriage of modern aesthetics and sustainability.

When Ed and Joanne Ellis decided to build their dream home on Yeomalt Bluff on Bainbridge Island, Washington, their wish list was threefold: they wanted to create a luxurious yet comfortable space, achieve a high level of sustainability, and help to educate the community on the feasibility of building green without sacrificing beauty.

This month’s featured Green Home is an Energy Star-rated, LEED Gold-certified single-family home in Orleans, Massachusetts, with a minimal footprint, exceptional energy-saving features, and thoughtfully designed outdoor living spaces.

The cozy and beloved summer cottage near Cape Cod had been in the English family for two generations. Built in 1958, the little cottage served as a centralized gathering spot for family and friends, even those coming from abroad. Although other homes came and went throughout the years, the little cottage in Orleans was the place that most family members considered home. The location was perfect for relaxing, bird watching, and enjoying the beauty of the outdoors… and it was absolutely perfect for Teresa and Dan English’s full-time residence upon retirement.

There are few activities more American than watching baseball, but in Miami, extreme weather can put a damper on the beloved summer pastime. One way to ensure that the game goes on? Design a retractable roof system that allows for a variety of configurations. The new Florida Marlins ballpark, designed by Populous (formerly HOK Sport), will replace the Miami Orange Bowl, a landmark structure built in the 1930s in the Little Havana neighborhood near downtown Miami.

For several years universities in the United States have been looking into the feasibility of using asphalt pavement to collect solar energy, or, more correctly, to harvest the solar energy that asphalt pavement is already collecting. Researchers have found that the technology exists for harvesting this energy, and its implementation may not be that far off.

Good kitchen design makes entertaining easier. Here’s how to create a kitchen with an intelligent workflow.

Chasing water leaks means working backwards. Instead of using the best materials to put a project together, you must break apart a masterpiece to find a flaw. Without x-ray vision and a clear way to proceed, the job could be a real headache. A good approach to chasing water is to form a checklist of possibilities and eliminate each one until the mystery is solved. Understanding how water behaves will make working through the clues faster and more efficient.

Planting a new lawn and establishing turfgrass begins with understanding your region's climatic conditions. The United States has five climatic zones: Cool and Humid, Cool and Arid, Warm and Arid, Warm and Humid, and a Transitional zone. All turfgrass types have the ability to grow in any zone for a portion of the year. Finding the most appropriate turfgrass type for your location will provide you with the best chances for a lush, green lawn. Once you have determined your climatic zone, the question now becomes seed vs. sod.

The Falkirk Wheel, constructed in Falkirk, Scotland in 2002, was developed to connect the Forth and Clyde Canal and the Union Canal so travelers could easily navigate through central Scotland. After consideration was given to several designs including a see-saw-like structure and a rolling eggs structure, a rotating boat design was chosen. British Waterways, Morrison-Bachy-Soletanche, and specialists from Butterley Engineering, RMJM Architects, and Ove Arup Consultants engineered a one-of-a-kind rotating boat lift to connect the two canals.

One of the most important climate change reduction advances in architecture and building in America is unfolding in the foothills of the Front Range outside Denver where the National Renewable Energy Laboratory (NREL) is completing a flagship for renewability and energy efficiency. The Research Support Facilities (RSF) in Golden, Colorado, were built and furnished for $67 million, comprise 222,000 square feet of zero-energy building (ZEB), were designed by RNL Design with Stantec, and were built by Colorado’s Haselden Construction. Seeking the U.S. Green Building Council’s (USGBC) LEED Platinum status, NREL is certainly practicing what it preaches: its scientists and technologists are occupying daylit spaces this summer to deliver energy strategies as they work to battle climate change and strive for national energy independence.