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Chelsea is a city in Suffolk County right across from Boston along the Mystic River. Chelsea’s total territory is only 2.5 square miles which makes it the smallest city is in Massachusetts. At the same time, it is the second most densely populated city in Massachusetts.
Chelsea has a working class community with ahigh level of industrial activity. It is one of the three cities in the state whereLatinos are in the majority. In the recent years, Chelsea kept up economic growth. It is an attractive place to live because of its closeness to Boston and due to its relative affordability, Chelsea added over 1200 houses since 2005. These are mainly lofts and condominiums that are mostly suitable for small families or young professionals. There has also been a significant development in restaurant and office place retails in this area.
Before the settlers came to the area the Massachusett tribe used to live in the territory of Chelsea. They called Chelsea Winnisimmet, meaning ‘good spring nearby’. Samuel Maverick settled the area first in 1624. The community remained part of Boston until 1739 when it was incorporated and was named after Chelsea in the UK. The city started to develop as an industrial center by the 1850’s due to wooden sailing ship industry. As steam power emerged, Chelsea switched to manufacturing rubber, boots, shoes, stoves, etc., and appeared along the banks of Boston Harbor. In 1908 there was a huge fire which left about 50% of the population homeless. Reconstructionbegan and they laid out the new city differently, with more spaces for streets. Many of the former citizens who left never came back, which opened the gates for immigrants to this area. For them, moving to Chelsea was a ‘move up’. The construction was finished by 1910, and by 1919 the population reached its peak with 52,662 people. There was another fire in 1972, where one-fifth of the city was destroyed. Then a major shift in population took place, as Chelsea became the major center of Latino immigration. Chelsea only started using a Spanish-speaking police from the 1990’s and until that, Chelsea became the most dangerous city in Massachusetts.
As of the Census of 2010, there were 35,080 residents in Chelsea. This consisted of 11,888 households and 7,608 families. The population density was 16,036 people per square mile, which is one of the highest population density in the United States. 62% of the residents are of Hispanic or Latino origin. The average income of households was $30,161 and $32,130 for families. The per capita income was $14,628. Approximately 23.3% or the population was under the poverty line.
By 2010, 38% of the residents of Chelsea reported being born outside of the United States. This is the highest percentage within Massachusetts.
Chelsea Public Schools consists of four elementary, three middle and one high school. The schooling system has historically been among the worst in the United States. There is also a private school in Chelsea, the St Rose School with 220 students. There is also the Boston University that provides Ba, Ma, and PhD education for over 33,000 students.
Are You in Chelsea Massachusetts? Do You Need Concrete Cutting?
A simple method of firmly anchoring the concrete wall to the footing is to set one man rocks into the footing, permitting them to project above the footing line; then, when the walls are poured, the concrete will envelop the upper half of the rocks and make a definite key and bond with the footing. Another method is indicated in the sketch. A two by four slightly beveled is set into the footing concrete and later withdrawn, providing a substantial keyway, which is filled with the pouring of the wall concrete, thus making a tight joint and strong bond between the concrete wall and footing. In the construction of forms for concrete the primary considerations are water tightness, rigidity, strength, and salvage value. Experience has proved spruce to be a most acceptable and satisfactory lumber for this sort of work. For very careful work, such as ornamental concrete and other small forms, white pine is recommended. Norway and Southern pine also may be used with good success. Hemlock, which is so readily available everywhere, does not prove satisfactory, as it splits very easily and has a tendency to curl. On all form work it is advisable to provide sheathing surfaced one side and one edge at least, as it is much easier and faster to work with and presents a much smoother and tighter surface to the concrete. Shiplap, or tongue and grooved lumber, is highly desirable in making the form watertight and in rigidly maintaining correct alignment. Studs should be set opposite to each other to facilitate the wiring of the form and must be spaced close enough to prohibit any bulging or weaving in the form line. It is seldom advisable to space studding more than 18 inches apart when using 1 inch sheathing.
Spreaders cut the exact width of the wall are used in spacing the two forms, and wire (usually No. 9) is run through the walls and about the studs; these are twisted until tight, which brings the entire form into position. It is impossible to set any hard and fast rule for the spacing of the wire ties, but it is seldom advisable to spread them further apart than three feet in either direction. Nails should be used sparingly, and should not be driven completely, for by leaving them out a bit they may be easily pulled when dismantling and salvaging the form lumber. Crude oil applied to the face of the forms greatly facilitates their removal and serves to preserve the lumber. Oil must not be used, however, on the forms of walls which will later be plastered, as it will make impossible a satisfactory and permanent bond. In all cases where oil is not used the forms should be well soaked with water just prior to placing the concrete. Immediately after their removal forms should be scraped free of all concrete, for while it is comparatively green this is not a difficult matter, and by so doing the lumber is made available for other work.
Forms that are built in sections for standard work should be very strongly built of well-seasoned lumber, preferably tongued and grooved. The nails should be securely driven home and holes should be bored big enough to permit pulling the tie wires through without mutilating the lumber. In butting sections together it is well to use bolts and washers, this method will insure correct alignment and eliminate unsightly offsets in the finished work. The forms should be serviceable for a great many jobs, if ordinary care is used in handling and storing them. After the work has been completed the forms should be carefully removed, thoroughly cleaned and repaired, after which they should be oiled and stored under cover, if possible. Steel forms, which are used a great deal for concrete work, can be purchased ready to use equipped with pins and braces for their erection. These are very durable and will last indefinitely if properly cared for.
They should be cleaned and oiled after each installation and when being stored. They should be sheltered from the weather to prevent rust. The table on next page will be found useful in computing the board feet required in material for forms.
Chelsea Massachusetts Concrete Cutting and Core Drilling