Build Definition and 472 Threads

Design–build (or design/build, and abbreviated D–B or D/B accordingly) is a project delivery system used in the construction industry. It is a method to deliver a project in which the design and construction services are contracted by a single entity known as the design–builder or design–build contractor. It can be subdivided into architect-led design–build (ALDB, sometimes known as designer-led design–build) and contractor-led design–build.
In contrast to "design–bid–build" (or "design–tender"), design–build relies on a single point of responsibility contract and is used to minimize risks for the project owner and to reduce the delivery schedule by overlapping the design phase and construction phase of a project.
Design-build also has a single point responsibility. The design-build contractor is responsible for all work on the project, so the client can seek legal remedies for any fault from one party.The traditional approach for construction projects consists of the appointment of a designer on one side, and the appointment of a contractor on the other side. The design–build procurement route changes the traditional sequence of work. It answers the client's wishes for a single point of responsibility in an attempt to reduce risks and overall costs. It is now commonly used in many countries and forms of contracts are widely available.
Design–build is sometimes compared to the "master builder" approach, one of the oldest forms of construction procedure. Comparing design–build to the traditional method of procurement, the authors of Design-build Contracting Handbook noted that: “from a historical perspective the so-called traditional approach is actually a very recent concept, only being in use approximately 150 years. In contrast, the design–build concept—also known as the "master builder" concept—has been reported as being in use for over four millennia."Although the Design-Build Institute of America (DBIA) takes the position that design–build can be led by a contractor, a designer, a developer or a joint venture, as long as a design–build entity holds a single contract for both design and construction, some architects have suggested that architect-led design–build is a specific approach to design–build.
Design-build plays an important role in pedagogy, both at universities and in independently organised events such as Rural Studio or ArchiCamp.

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  1. MathematicalPhysicist

    Quantum Computer, how to actually build one?

    So last year I took a course in quantum computing, but I didn't understand how can you build quantum computer? I mean do you have literature on the technical issues of physically engineering such an apparatus? The course I took was really theoretical, but I don't understand yet of how to...
  2. F

    Building a Battery for a Shoebox-Sized Vehicle

    Hi Everyone, I need to build a battery for a shoebox-sized vehicle. I'm still collecting requirements, but I'm wondering if you have any suggestions beyond a potato battery ;^) Farina
  3. K

    New Gaming Build: CPU i7-3770K, MSI Z77, G Skill, MSI GTX 680, Corsair HX850

    What do you think? *CPU/Core i7 3770K Ivy Bridge Quad Core processor *Motherboard/MSI Big Bang Mpower Z77 *Memory/G Skill RipJaws X Series 16GB (2x8GB) 1600MHz 240pin dual channel memory kit *GPU/MSI GTX 680 TwinFrozr *PSU/Corsair HX850 850W power supply *Coolermaster HAF-XM Mid Tower Case...
  4. O

    DIY Ice Rink Building Tips for Hockey Enthusiasts in South NJ

    Ok, so my 8 year old son started playing ice hockey and unfortunately to get good, you need lost of ice time which is expensive and hard to come by. I am trying to figure out how to make a homemade ice rink this winter. I live in south NJ and the winters are not cold enough to have a lasting...
  5. G

    I want to build a particle accelerator

    Hi, I'm 15 and I want to build a particle accelerator (probably in my backyard). I don't know much about physics yet, but I'm learning. I realize that this is a long-term project (my estimate is about 2 years), but I really want to do it. I don't just want instructions or anything like that, I...
  6. D

    Mr. Gorbachev, build up that resume

    Good evening ladies and gentlemen, I'm very interested in applying to grad school, in a yet-undecided subfield of theoretical physics. For one looking to build up a grad school resume, what can I do/learn while an undergrad (four semesters left)? I'm not looking for the stock (though still...
  7. B

    Schools What do chemical engineers build in college?

    I know that in undergrad (at least in my school), mechanical engineers usually have their projects on things like robots, cars, UAV, trebuchets, etc. Electrical engineers usually build clocks, calculators, data encrypters, wireless systems, ALU, motors, generators, lamps etc. Civil engineers...
  8. O

    I on how to build an inverter with solar panel

    i want to build an inverter with solar panel can someone assist me on how to use thyristor to buffer it,and how to connect it to the solar which is 500wattts.my inverter is 5kva
  9. P

    How did gravity build astronomical objects that rotate?

    How did gravity build astronomical objects that rotate? It seems to me a safe bet, supported in part by observation, that the heterogeneous assembly of known astronomical objects comprising the observed universe, whose contents range from minor planets (one named for my mother) to the recently...
  10. H

    Is possible to build an optical trap with non-laser light?

    Optical traps for refractive colloidal particles (latex) of around 1 micron always employ a laser ligth tipically of 30 mW or even less. I have never seen a report of an optical trap using a non-laser light source. I wonder if is possible to build a non-laser light optical trap and if not why. I...
  11. S

    If you had $1000 to build a generator

    ...build a generator that uses renewable energy, what type of energy would you invest in?
  12. C

    Practical for a civilian to build a space suit?

    This is for a novel I'm writing. In it, the Earth has been separated from the Sun. At this point there is still an atmosphere (at perhaps 50% of normal pressure) but the temperature has fallen to somewhere around -150 centigrade. My question is this: Could a technologically savvy private...
  13. A

    How to Build a Synchronous Demodulator Using Basic Components

    I need to make a synchronous demodulator using basic components (op-amps, etc...) and I was wondering if anyone has currently made one. I want to avoid using an custom IC chip unless there is one available. I was looking into the Analog's AD630 and TI's INA143 (which they claim can be used as...
  14. A

    Pressure build up profile in gas container

    I have methane leaking into a gas container from a connected reservoir cylinder. If the volume of the container is fixed and the initial pressure is known (say atmospheric), how can I determine the leak rate from the pressure build-up versus time relationship. The pressure versus time profile...
  15. J

    Is it safe for a 15-year-old to build an electron gun with dangerous elements?

    Im 15 from the U.K and i want to do something with my life. So i jumped to the conclusion of building something, i didnt want something like a cyclotron, but i wanted to start of with something easier such as a electron my goal is to try and build an electron gun. I want to try and make this...
  16. T

    How To Build A Simple Particle Accelerator

    Hello, all. I've heard of a few renowned scientists having build small particle accelerators in their garages as teenagers, and I've wondered how I could do the same. Obviously, I'm not looking for anything LHC-scale, but rather a few feet in circumference. I've seen similar projects on the...
  17. Integral

    Article about an application of instrumentation I am helping build

    This device was sitting outside my work area 2 weeks ago. I am enjoying working on devices which are at the forefront of oceanographic research.
  18. S

    How do i build a electronic wire strippers?

    Hi i work at mission central tearing down computers and other electronics plus i look for electronics at the curb that people threw out. I was wondering if i can make a wire strippers that will strip many size wire and also feed it through by itself or with a little help. I want to make it with...
  19. K

    Comparing Radeon HD 7970 vs Nvidia GTX 680 for Gaming PC Build

    I have a beefy budget to build a new gaming PC and I can't decide between the Radeon HD 7970 and the Nvidia GTX 680. I read that the GTX 680 uses only ~200W of power and is noticeably faster than the Radeon card, even though it has 3/4 the amount of transistors than the 7970. Should I wait...
  20. Z

    Little strange material to find or build

    Well, the thing is that since one year or more I'm trying to find a non toxic compound that can be done mixing water with "something", I need that the result of that has "like gum" properties, or a high density foam (like a hard mattress). I don't know much about chemistry but I think there must...
  21. E

    How can i build electron canyon?

    hi, I'm new in this forum, i was wondering how to build an electron canyon? does somebody knows?
  22. H

    Trying to Build a Spark Getter

    Hello, Recently I have been trying to build a spark getter. The idea is that a high voltage is applied to a capacitor consisting two titanium plates, once the breakdown voltage is reached, a spark is caused, and small particles of titanium (our getter) come off the anode and the cathode. I...
  23. D

    Electromagnet: How to build the right one?

    Hi there! I hope someone can help me ... I'm trying to build an electromagnet to use in a system inspired by Bob Beck and electro-medicine. I have a friend building me a circuit to generate a pulsed wave to drive an electromagnet. It's my job to build the electromagnet, but after several...
  24. G

    Which CPU is Better for Gaming and CAD Software: Intel or AMD?

    I'm looking at building a computer that is capable of gaming and intensive CAD software and would like some advice. Two CPU's I'm currently looking at (however other opinons are welcome!) Intel: I5-2500K quad core (3.3Ghz 3.7Ghz turbo) AMD: FX-8120 8 core (3.1Ghz) I am looking at the Radeon...
  25. N

    How do I build an electro magnet strong enough to vibrate piano strings?

    I would like to build an electro magnet capable of causing piano strings to vibrate without the strings being struck first. As long as the hammers are up, the strings would vibrate on their own accord. An E-bow, used by guitarist for the same purpose, will (sort of) work on a limited range on...
  26. E

    What kind of engine do I need to build a flying board ?

    What kind of engine do I need to build a "flying board"? Hi there, I'm pretty much new here and I've been making lots of research about engines, ion engines, turbines etc. But I still don't understand. I want to build a steel board, since I have the facility to work with any kind of metal...
  27. R

    How to build an Electrostatic Spray system with pics.

    Hi, I'm trying to build an electrostatic spray system. They are commonly used for spraying cars and pesticides onto fields of crop efficiently and easily. The spray is given a negative or positive charge that makes the spray attracted the opositely charged target (car or plant etc), ensuring...
  28. C

    DIY GSM 850 Antenna Build for Remote and Low Signal Areas

    I would like to build an antenna that will be used in a very remote area to improve our cell signals. We have access to the GSM 850 (824.2 - 849.0 Uplink | 869.2 - 894.0 Downlink). I need help in calculating the antenna length based on the frequency and need advice on the most effective...
  29. Z

    Can a 14-Year-Old Legally Build a Cyclotron?

    Ok , so I was wondering if you could legally build a cyclotron accelerator , I am fourteen years old , so if there are any permits required , would they be accessible by a fourteen year old? , I realize it has the potential to produce ionization radiation , and that's the part that i think i...
  30. T

    Electromagnet stick is the key to build a flying disk

    The electromagnet stick always head N/s, no matter how fast the rotation of the shell of the disk is, you just need to control the input voltage of it, and it will not get heavy if the Magnetic stronger. I think the input higher voltage can make it head with power and hard to change the...
  31. T

    How do you build a double-slit experiment at home?

    Is it even possible to do so? I used a thick paper sheet with 1x5 mm slits 5mm apart with a normal flashlight (just to do a rough test). I saw what looked like the patches of light with darkness in between, but it was very, very faint.. Is it possible to do an effective model with easy-to-get...
  32. J

    Unlimited resistors to build a 5 watt circuit with resistance of 10 ohms.

    Okay well my issue is from a basic problem. The problem is you are given an unlimited number of 10 Ohm resistors. They can only handle 1 watt of dissipation and you need to create a circuit that has a total resistance of 10 Ohms, and has a power dissipation of 5 Watts. They are actually looking...
  33. M

    Need to Build Two Circuits That Sense Proximity To Eachother

    Need to Build Two Circuits That "Sense" Proximity To Eachother Hi all, I am trying to build two circuits as part of an experiment that can "sense" proximity to one another. So basically, as they the two circuits get physically closer to each other (starting at a range of maybe 10-20ft), an...
  34. S

    Can someone me build the differential equation for this word problem?

    Homework Statement A tailing pond at a mine contains a million liters of water and 10 kg of the very toxic substance mercuric chloride (HgCl2), mixed evenly throughout the water in the pond. Water from the mining operation flows into the tailing pond at a rate of 10 liters per second, and...
  35. B

    If someone wants to go and (not just build), but market a flying car

    If someone wants to go and (not just build), but market a flying car and make it for everyday use just like a regular car,you have to go to an Ivy League School. It seems depressing because for some people just being practical is annoying and sad itself. (Notice I said some people because...
  36. B

    How to build a medium power cyclotron

    Hey. I am a freshman in high school, and iv'e been reading about building a cyclotron. I have the basic principles understood but can someone explain how exactly i would assemble on, and the mathematics behind it. ALso and information about how the fields interact would be phenomenal. I have...
  37. N

    How to build supersymmetry lagrangians

    Hi, In SUSY we introduce chiral superfield, vector superfield, then build some invariants and get the SUSY lagrangians which after decomposition into normal fields (F and D terms) gives us for example ordinary QED plus some other terms. And we call this SUSY-QED. I have following question...
  38. C

    Jobs where you build and test stuff.

    What kind of job in the science or engineering field would have you build stuff and do experiments. I talked to a guy that worked as an engineer, and he said they had to do a lot of paper work to do anything and he said it wasn't fun. And another guy I talked too said at nuclear power plants...
  39. wolram

    What Makes a Truly Eco-Friendly Car?

    what would you put into your eco friendly car.
  40. L

    All the ways to build positive definite matrices

    Often people asks how to obtain a positive definite matrix. I would like to make a list of all possible ways to generate positive definite matrices (I consider only square real matrices here). Please help me to complete it. Here M is any matrix, P any positive definite matrix and D any...
  41. F

    2nd year Eng.student trying to build a railgun. Verify or modify please

    Hey all Im trying to build a small railgun capable of launching a projectile(20-40g) to about 400km/h. Attached is a excel file. It is a sort of simulation. Cells in red must get values from the table. Cells in Blue must be typed in by user. Cells in Green list the Current/Mass needed...
  42. S

    Build an Ion Thruster: Research & Tools

    Hi my friends I wanted to build a ion thruster for some research projects. I searched in net and find out that there are a lot of papers relating to design and increasing performance of ion thrusters, but i couldn't find a build paper or site! Please if any of you knew about build requirement...
  43. W

    The Blushing Face of Saturn: Radiance, Luminosity & Habitable Zone

    Okay, reeling from a defeat in the stellar ring with a self gravitating mass of gas that imploded at a massive temperature when all I wanted it to do was hang around nice and calmly while I put gravitating bodies in it...now I move on to a slightly more conventional model. I do plan to do most...
  44. H

    MATLAB How to build a non-uniform initial temperature with Matlab and COMSOL-thanks

    Hi everyone, I am building a 2D geometry and specify the corresponding initial temperature (non-uniform in the domain) with the aid of MATLAB (liveLink Matlab). The geometry creating is almost finished, while the initial temperature problem puzzles me a lot. The initial temperature at...
  45. F

    Trying to build a fusor at home.

    Any tips on how to start (I've already looked at www.fusor.net) and what the projected costs would be? I'm looking to complete this by the end of the year.
  46. G

    Aspiring to build working scale models

    I will be entering university in an aerospace engineering program next year but I want to get a head start on it right now. What I mean by that is start building basic rockets and planes, or even more basic than that, I don't know. Why I am here is to ask for guidance on where to start. I...
  47. W

    Why is the nuclear shell model build around single particle motion?

    Hi everyone For the past few months I have been learning about the nucleus and the nuclear shell model. The experimental evidence for a shell structure is overwhelming and easy to understand. It is also quite straight forward to obtain the correct shell closures (magic numbers) using a 3d...
  48. F

    Misc. Water Tunnel Build Tips/Help/Review?

    Hey, so i'll just start this by saying that any/all info i present here may be wrong, I've only got physics 20 under my belt right now but I've been doing a ton of research, so if i seem like i don't know what I'm talking about, it's because i probably don't. I'm in grade 12, and I'm interested...
  49. D

    Build up/ Discharge Energy Quickly

    I'm trying to figure out what I would need to do in order to make something that could quickly store/build up energy and then disperse it completely once the build up was complete; within a few seconds passing. I'm not really looking for the quantity of energy at the moment but more of the speed...
  50. G

    Efficient Cooling Solutions for Small Spaces - Closet Size: 1.47m x 75cm x 58cm

    hello to all, im new here, I am just searching someone can mayb help me with my big sitution, i have a closet size: height: 1.47m, width: 75cm, depth: 58cm. there is a very hot MH light bulb 400W, with bellows and vents. and my temperture is around 32-36C! i looking for way too cool down...
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