at the back of the house, bob shows the existing back deck and reveals the plans for a twolevel deck. then, dave shows bob how the crew is removing exterior clapboards to make room for drilling holes where they will blow cellulose insulation into the bathroom wall cavity. in the cl space beneath the kitchen, a crew member installs fiberglass batting between kitchen floor joists. that .
the park avenue viaduct was repaired by metronorth railroad between 1995 and 1998 for 120 million. the project replaced the existing deck with a concrete one, and repaired columns, retaining walls and girders. a lowlevel barrier was installed on either side of the viaduct to reduce noise from train wheels.
if concrete is exposed to very high temperatures very rapidly, explosive spalling of the concrete can result. in a very hot, very quick fire the water inside the concrete will boil before it evaporates. the steam inside the concrete exerts expansive pressure and can initiate and forcibly expel a spall. radiation damages
calculating the cost of a deck or patio. . that will generally equate to the price of a concrete patio. not too bad, until you factor in the price of hiring someone to put them in the ground and .
a stamped concrete patio gives you the look and texture of a stone patio for a lot less than the real thing up to 50 percent less than the cost of natural slate or limestone. that 39s not all .
dining spaces will include patio tables. for a typical 6 person outdoor patio table building an area of 12 39 x 16 39 4x5 m is ideal. if deck space is available, homeowners may choose to include a seating area for outdoor couches and benches. construction. the deck of a house is generally a wooden platform built above the ground and connected to the main building. it is generally enclosed by a .
possibly the oldest existing arch bridge is the mycenaean arkadiko bridge in greece from about 1300 bc. the stone corbel arch bridge is still used by the local populace. the wellpreserved hellenistic eleutherna bridge has a triangular corbel arch. the 4th century bc rhodes footbridge rests on an early voussoir arch.. although true arches were already known by the etruscans and ancient greeks .