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Roof Pitch

The pitch of a roof is determined by the slope of the rafters in relation to the horizon This angle is measured not in degrees but in inches of rise per foot of run The only tools needed to determine the pitch of any roof is a ladder a torpedo level a speed square and a straightedge Get price

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How much roof space is needed for solar panels (square feet)

Apr 10 2018One rule of thumb is every square foot of roof space generates 15 watts of solar energy but that's if the sun and the panels are in the right place and the panels are a standard rating Most residential solar electric systems require between 100 square feet for small starter systems and 1 000 square feet for larger systems Get price

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orth merican teel onstruction onference Rules of Thumb for

steel weight is building height A rough approximation for steel weight per square foot in a braced building using steel with Fy = 50 ksi is Wt(psf) = stories/3 + 7 A three-story building would have a steel weight in the range of 8 psf and a 27-story building would require 16 psf Certainly this relationship is an over simplification Get price

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Quickly Calculate the Weight of Shingles

Shingles are sold in "bundles" that will cover a certain square footage of your roof—usually 33 3 square feet The weight of a bundle of shingles depends on the type of material you're dealing with Three-tab asphalt shingles weigh 50-80 pounds per bundle Architectural asphalt shingles weigh 65-80 pounds per Get price

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Air Conditioning System Sizing

Each home in Arizona has different insulation properties But the general rule of thumb is to have 1 cfm per square foot of living space So a 1600 square foot home would have 1600 CFM of cooling capacity or a 4 ton unit Said another way each ton of air conditioning will keep cool 400 square feet of Get price

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Construction India Thumbrules for Estimating Quantities

I have to construct a residential building with ground floor and first floor each having 1100 square feet what would be percentage cost for foundationbasement superstructure etc as per thumb rule in percentage please advice Murukesan Reply DeleteGet price

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Restaurant Rules of Thumb How Does Your Operation Measure

The sales volume rules of thumb above assume an industry average occupancy cost from $15 to $22 per square foot If your occupancy costs are higher than $22 per square foot the sales numbers above will be low when using them to evaluate your restaurant's profitability Percentage of Cost Rules of Thumb Food cost Get price

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What does it cost to design and build a remodel addition

"My friend told me that projects can be built for $200 per square foot" For years people have heard a general rule of thumb that houses can be built for $200 per square foot They think that if a 3000 square feet house costs $600 000 to build then a 500 square feet remodel or guest house should cost 500 square feet X $200 per foot = $100 000 Get price

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thumb rule for cement per square meter in building

Dec 17 2012CALCULATING BUILDING MATERIAL QUANTITIES – Wickes DIY For an easy rule of thumb guide you should allow 60 bricks per square metre for the building of a be needed for each bag of concrete mix As a rule of thumb More detailedGet price

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Basic rainwater collection calculations

For a quick figure you can use the rule of thumb of 5 gallons per square foot per inch of rain For an even quicker figure you can use SI units with this calculation The roof efficiency (e g 8) in liters for every mm of rain on every m 2 of roof Next Steps The spreadsheet could be developed to Get price

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Ton to Square Foot rule of thumb?

Jul 30 2011Many ask if there is a tonnage to sf rule of thumb afraid that if equipment gets too small they will sail off the edge of the earth Kinda like happened to explorers up until Columbus magically reshaped the earth from a pancake to a globe That reshaping is occurring now in our industry (of course stupid setback strategy thing needs to be weeded out of the public consciousness to really Get price

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HVAC Refresher

HVAC Refresher – Facilities Standard for the Building Services (Part 2) A Bhatia Course Content SECTION # 1 RULES OF THUMB AIR-CONDITIONING CAPACITY 1) A ton of refrigeration (1TR) signifies the ability of air-conditioning equipment to extract heat 12000 Btu/hr ASHARE (American Society of Heating Refrigeration and Air-conditioningGet price

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1 When does a space require more than one exit?

4 How many square feet per person will a tenant need? Are there any rules of thumb? Using SQUARE FEET PER PERSON is a good way to calculate how much a tenant may require as they move from one space to another As a general rule of thumb 200-250 SF per person is a fairly typical ratio that is used here in Silicon Valley Get price

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Quickly Calculate the Weight of Shingles

Shingles are sold in "bundles" that will cover a certain square footage of your roof—usually 33 3 square feet The weight of a bundle of shingles depends on the type of material you're dealing with Three-tab asphalt shingles weigh 50-80 pounds per bundle Architectural asphalt shingles weigh 65-80 pounds per Get price

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Steel Construction Rules of Thumb Floors (Beams and

Steel Construction – Rules of Thumb Floors (Beams and Girders) To calculate the necessary depth of a beam divide the span (in inches) by 20 For example a 25' span would be 25x12 / 20 = 15" The width of this beam would be between 1/3 and the depth TheGet price

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Rule of Thumb Sizing

Rule of Thumb HVAC Sizing Frequently designers and contractors guestimate the size of HVAC units by figuring 1 Ton (12 000 Btuh) of air conditioning will cover 400 square feet (Sq-Ft) of building area This ratio is vastly overused and often leads to undersized HVAC units in our climate zone (the Sacramento Valley) Get price

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HCD Mag

For example take the traditional rule of thumb of 2 500 square feet per bed for overall sizing of a hospital In a nutshell this benchmark implies that all the support spaces necessary to deliver inpatient care including food logistics and diagnostic and treatment areas have been tallied and divided by the total number of beds supported Get price

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5 Basic Rules of Thumb For Sizing Fitness Centers and Clubs

Apr 01 2015For amenity fitness centers we believe 10% to 20% is a reasonable allocation for multi-purpose areas such as stretching yoga core and free weight training activities 4 Square Footage In terms of allocating square footage for the fitness center the industry rule of thumb is approximately 10-12 square feet for each member Get price

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Rules of Thumb Church Space Dimensions and

Rules of Thumb is intended to provide general guidelines for estimations of property building space and other needs prerequisite to actual planning It is not a substitute for actual planning and design First unit building 30 to 40 square feet per person Small churches 40 to 45 square feet per person Large churches with extensive Get price

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Construction Costs Per Square Foot

Dec 07 2010Calculating construction costs per square foot has been a great way to quickly estimate the cost of construction This rule of thumb estimating has worked great for a long period of time however its usefulness is beginning to be lost This is because of two major changes in the construction industry Get price

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Structural Engineering Design Rules of Thumb

ing rules of thumb to be useful in estimating the approximate depth of a structural member as well as reviewing the reasonableness of a design It is important to note however that the depth of a member is influenced not only by the span but by such variables as spacing loads supportGet price

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How to Estimate and Prepare Drywall Take

Nov 20 2019As a general rule estimate 0 053 pounds of mud per square foot of drywall So multiply the total number of square feet by 0 053 to determine how many pounds of compound you'll need For example if you are putting up 1 600 square feet of drywall you would need How to Build a Get price

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How to size the supply duct rule Of thumb? How many square

How to size the supply duct rule Of thumb? How many square feet per 6 or 8 round duct? My house's kitchen and living - Answered by a verified HVAC Technician We use cookies to give you the best possible experience on our website I live in KY what size AC/Heating unit would you recommend for a 2000sq ft building that will be a bar Get price

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Rule of Thumb Sizing

Rule of Thumb HVAC Sizing Frequently designers and contractors guestimate the size of HVAC units by figuring 1 Ton (12 000 Btuh) of air conditioning will cover 400 square feet (Sq-Ft) of building area This ratio is vastly overused and often leads to undersized HVAC units in our climate zone (the Sacramento Valley) Get price

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Cost per Square Foot of Building a Garage

All builders have a basic per-square-foot cost which they to factor the most basic framing and construction work While this can vary somewhat from region to region depending on local labor costs a good rule of thumb is to use the national average of $40 per square foot for a garage that is being added onto the side of your home so it shares common walls or $70 per square foot if the garage Get price

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Watts per square feet in buildings

Nov 29 2006one particular tenant (motorola) went to a three shift schedual when developing the nextel telephone and the building owner made them purchase and install a certified metering system and pay all electrical costs in excess of 6 5 watts per square foot the metering system cost $66k and the extra electrical costs were very high Get price

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Rules of Thumb for Troubleshooting

One cfm per square foot of floor area is the average air quantity required for a room or entire building Rules of thumb are abbreviated short cuts time savers and approximations Each is a quick estimation of what most systems should do most of the time but remember that none of these numbers are infallible Get price

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How Much Weight Can My Deck Hold?

Jul 24 2017In short there's no one right answer to "how much can my deck hold?" However one rule of thumb to keep in mind while answering the question is that the answer commonly is that if a deck is properly designed it's built to hold 50 lbs per square foot It's possible that it could hold much more weight than 50 lbs per square foot Get price

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Better Deck Piers

The dead load figure (10 pounds per square foot) in the IRC covers the weight of framing decking and railings but generally doesn't include the weight of the footings But should it? Some argue that this weight can be ignored since the soil removed from the hole is Get price

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4 0

Building Construction Floor space roof surface area wall surface Gears Net weight gross weight horsepower number of driving axles loaded cruising speed Trucks Empty weight gross weight horsepower number of driving we typically do so in price per square foot Using this rule of thumb we can compare the cost of different Get price

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5 Basic Rules of Thumb For Sizing Fitness Centers and Clubs

Apr 01 2015For amenity fitness centers we believe 10% to 20% is a reasonable allocation for multi-purpose areas such as stretching yoga core and free weight training activities 4 Square Footage In terms of allocating square footage for the fitness center the industry rule of thumb is approximately 10-12 square feet for each member Get price

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How Much Does Snow Weigh?

is a quick rule of thumb to help you if you are concerned As a rule of thumb snow weighs approximately 20 pounds per cubic foot or 1 25 pounds per inch of depth Depending on moisture content snow can weigh from 1 pound per cubic foot to over 21 pounds per cubic foot Calculation S x 1 25 = P where S = Inches of snow on the roof (depth)Get price

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Thumb Rules used in the Construction by Civil Engineering

Dec 14 2018Thumb rules used in construction field by civil engineers Concrete quantity Shuttering area Plastering thumb rules used on construction site The Concrete Volume of 0 038m 3 of concrete is used for each Square Feet of Plan area Example - Unit Weight of Different Building Construction Materials Krishna March 9 2019 Get price

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