| Topic : Waste Management in Construction |
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Construction Planning & Management
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Activity:
238 views;
last activity : 10 17 2011 07:31:42 +0000
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Lack of knowledge of the cost implications of material & lack of feeling of ownership.
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GREEN BUILDING
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Bulk Material Wastage Control Key Factor...!!!
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Recycling
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Reduce
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Tool
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Waste in construction materials : cause and remedy
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DAILY HOUSE KEEPING WITH SAFETY MANAGEMENT
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Bulk Material Wastage Control Key Factor...!!!
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Waste reducing Design and Construction Techniques
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If we plan it from the beginning the problem can be solved easily.
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Reuse
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Composting
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Proper Education and Training
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Proper Storage of waste materials
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Road construction
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Construction demolition wastes can be used for road construction.
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The main reason behind most of the wastes occuring in the construction industry is the lack of knowledge about the cost implication of the material.In most of the sites, the cost of the material is only known to the purchase department, a few in the finanace dept and those who hold the senior positions. The labours or even supervisory staff may not be really aware of the cost of the material and their properties.To reduce the wastage, the prime step is to educate all the concerned about the cost implication of the items. Second is to instill a feeling of ownership in all the employees/workers so that they would have a self impossed discipline in using the materials.This will be done only by personal level interactions with staffs/workers at all levels, addressing their constraints and personal problems etc. A moderate Human Resources department along with the Administration department can do wonders in reducing the wastage in construction industry.If these departments are functioning to identify the real problems of workers, try so solve them to some extent, the wastes can be reduced to a considerable level. |
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first of all owner has to define correct "process owners" in every step/dept of construction.process owner need not be a civil engineer!! any ordinary worker can become a good resource if used properly.wastage starts from relationship between owner and worker.as common it is, autocracy cannot bring down wastage in any process, instead, try to make the actual user of the material to understand the importance of cost and productivity.one can implement small incentives calculating profits/savings.every day GENBA like workshops at construction sites which includes low calibre workmen will certainly help to make profits and control waste.
I quite agree that it is the bottomline which has to be made aware of the cost implications ie workers/supervisors. But the sales dept must coordinate with the site coz a lot of changes by clients is done in the latter half and already procurement of material is done , the stores is reckless to report of excess as it is least aware of the changes in the end resulting in lots of excess or wastage .so a proper coordination between planning, execution, sales and stores is required.
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Today to reduce the waste a new concept in India (OLD at West) has got introduced. We must try to popularize this concept wherein the waste is / can be reused at the construction stage itself and hence reduce the waste generation and the disposal problem.
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As an idea it is supported.
i will defintly go with this idea to support my project...
Mr.Rohit i definitely agree with you.The wastes which gets accumulated after all the construction work should be recycled so that it can be used somewhere else and it will also solve the disposal problem.
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It has been observed that from past experience that major wastage in construction sites are in Bulk Materials only (Cement, Sand, Aggregates, Bricks, Steel etc.). Hence the only way to reduce wastage is through following measures:
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each point made by you is very true, if one can have the project done with keeping all the points that you have mentioned, there will be less construction waste at the site, so nice points Mr. shenoy
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Recycling should be practiced wherever possible. Compared to other wastes like e-waste etc. construction waste management is easy and if done with proper planning, most of the materials can be reused for projects. |
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Recycle and reuse is the best method. In construction industry for example excavated earth, debris of concrete, waste from demolished is the major waste comparing to other material. These can be effectively reused in many places like refilling, road formation etc.,. whereas other waste like steel scrabs, switches, wires etc. can be easily recycled.
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Reduce is basically what? preventing waste from appearing. So it helps if those building materials come in with preplanned sizes. Or you could design using standard sizes. Either way one help of eliminating the cuttings would be optimizing material usage by Reduction. Less waste and less expense
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Shravan has a point here just simply ordering materials in excess is of no use, it uses more space and money, and you can also get materials of proper shapes that fit nowadays, so there will be no cutting n all other stuff, so basically you will be reducing things, and this also brings cost reduction also....
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Hi Need to have Waste management Plan in place. The best thing is we need to have plan, process and a tool to support it. Have drafted a few steps for the framework: Step 1 – Identify who is responsible Step 2 – Identify the types and quantities of waste Step 3 – Identify waste management options Step 4 – Identify waste management sites and
contractors Step 5 - Carry out
any necessary training Step 6 – Plan for
efficient materials and waste handling Step 7 – Measure how much waste and what types of
waste are produced Step 7- Monitor &
Control via Tool Step 8- Review the
output from the Tool metrics Regards Mihir Kumar Jhaveri,
PMP,CSCM Senior Manager |
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In large construction projects wastage is bound to occure due to many reasons. Wastage occures mainly in following materials Bricks, Aggregate, sand and malba genereted from concrete work and repair work and dismantling. It is difficult to asses quantum of such waste in advance. Wastage in bricks occures due to breakage and due to seggregation of good quality material. Broken aggreagte can be used for base course in the plinth protection , under layer for footpaths. Similarly dismantled concrete can also be used or recycled in filling low lying areas footpath etc. By use of waste material in such a way cost can be saved on the project developement. But certain mechanism need to be developed for its proper measurement accounting and use on project site or in nearby araes./ |
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"SAFETY MANAGEMENT had a major role in construction waste management practice,daily house keeping acts a effective role in collecting construction wastes and these house keeping materials are accountable in project management and cost control"
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It has been observed that from past experience that major wastage in construction sites are in Bulk Materials only (Cement, Sand, Aggregates, Bricks, Steel etc.). Hence the only way to reduce wastage is through following measures:
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By designing buildings with efficient floor plans and with wall dimensions that match standard lumber sizes, architects can significantly reduce waste and cut materials and energy costs. Waste management plan should inventory the projected waste streams, set goals for recycling and reuse, and detail procedures for materials handling, onsite management, and transportation. Compiling the plan will allow you to estimate the net cost or savings for separation and recycling. |
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Metals can be recycled. Concrete waste can be used to level wet lands proposed for construction.
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Reuse is like using the existing materials instead of throwing it away. That does not include only building materials, Pipes, ceiling fixtures, bath fixtures, lamps, electrical sockets, even furnishings, bath tubs, shelves,cabinets all these can be used to some extent. Reusing does not mean YOU have to use it even donating it to non profit organizations is one very good option of construction waste management. So why simply throw it..
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Further to earlier point i can add that we can really donate these construction waste for some NGOs which are building houses for the poor for their shelter, where it can be used, so instead of just throwing away the constrcution waste we can manage them very well by being innovative...
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composting is a biodegradation which is done in huge composting pits, where many construction materials are degraded with the help of micro organisms, which will break the larger molecules to smaller and helps in making the fossil nature and then acts as manure, which can be used in agricultural fields.
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From my 32 years of experience in Civil /Construction Engineering, I found that lack of proper knowledge and training are responsible for improper execution of work. I found ignorance everywhere. Top level managers and engineers should be able to motivate people who are reporting to them. Unfortunately, this is not the case always. If head of the family is not sincere about his responsibilities and duties, how can we expect others to be efficient and organized? We have to instil good construction management practices in the minds of all concerned by imparting training and refresher courses to the people who are engaged in the construction industry. |
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yes totally agree with your argument that the head of the team should properly manage his team and help them how to go about the job, there should be discipline at the work, if they are given proper education and training, they will adapt to the methods where there is less construction waste that is happening.
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This subject is often neglected in case of projects. It is very important to have all construction waste be stored within the site itself first. A proper screen should be provided so that the waste does not get scattered and does not become an eyesore. Attempts should be made to keep the waste segregated into different heaps as far as possible so that their further gradation and reuse is facilitated. Material, which can be reused at the same site for the purpose of construction, levelling, making road/pavement etc. should also be kept in separate heaps from those, which are to be sold or landfilled.
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Yes Anjaneyula storage is one of the important aspect & from the standpoint of efficiency and liability, taking a look at what and how much material ends up in your storage site dumpster can tell you a lot about your crews and your trade contractors. One should routinely check out site waste stream as one way of evaluating efficient use of materials.....
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Construction demolition wastes can be used for road construction. Materials like concrete and bricks can be broken to required size for use in road construction.
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Materials like concrete and bricks can be broken to required size for use in road construction.
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