Welcome to Civil Engineering
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The department of civil engineering is a community of learners committed to providing outstanding educational opportunities for our students. We also conduct advanced research in civil infrastructure design and environmental preservation.
Top News and Stories
- Engineering faculty members receive named positions
The Carl R. Ice College of Engineering has announced nine faculty members, including one from civil engineering, as the most recent recipients of named positions.
Civil engineering assistant professor named White House Fellows national finalist
Eric Fitzsimmons, assistant professor and the Hal and Mary Siegele professorship in engineering, civil engineering department, has a new certificate to frame and display — 2020-2021 White House Fellows national finalist.
- K-State civil engineering summit focuses on commercial vehicle safety
K-State Department of Civil Engineering faculty will host a 2021 Midwest Commercial Vehicles Safety Summit to reduce the number and severity of commercial vehicle crashes through an exchange of ideas.


By American Society of Civil Engineers
Seismic review and Retrofit of current structures describes deficiency-based and systematic systems that use performance-based rules to judge and retrofit latest constructions to resist the consequences of earthquakes. This next-generation regular combines the overview and retrofit procedure and places forth a three-tiered method for seismic evaluate in line with more than a few development functionality levelsfrom cave in prevention to operationalthat marry exact structural functionality with the functionality of nonstructural parts. The deficiency-based tactics permit the review and retrofit attempt to target particular capability deficiencies deemed, at the foundation of earlier earthquake observations, to be of outrage for a permissible set of creating forms and heights. The systematic approach, acceptable to any development, units forth a technique to guage the complete construction in a rigorous demeanour. This usual updates and replaces the former average ASCE/SEI 41-06, Seismic Rehabilitation of present structures, in addition to common ASCE/SEI 31-03, Seismic overview of present constructions.
Read Online or Download ASCE standard ASCE/SEI 41-13 : American Society of Civil Engineers : seismic evaluation and retrofit of existing buildings PDF
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The speculation of structure implicit in our international this present day, Christopher Alexander believes, is bankrupt. a growing number of individuals are acutely aware that whatever is deeply improper. but the ability of present-day principles is so nice that many suppose uncomfortable, even afraid, to claim overtly that they dislike what's occurring, simply because they're afraid to appear silly, afraid probably that they are going to be laughed at.
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Thirty-eight best architects are represented during this up-to-date version via an research of greater than a hundred structures which are assessed utilizing a diagrammatic method appropriate to any construction. This notable assortment comprises fourteen new constructions and 7 new, leading edge architects distinctive through the power, caliber, and curiosity in their designs. It supplies important information in studying architectural historical past as an evolutionary approach via exploring the commonality of layout rules mirrored in a extensive variety of buildings by way of the world over well known architects.
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For an individual who has ever questioned why suspension bridges don't cave in less than 8 lanes of site visitors, how dams carry back-or fall down under-thousands of gallons of water, or what ideas consultant the layout of a skyscraper or a kangaroo, this e-book will ease your nervousness and solution your questions. J.
Los angeles arquitectura y l. a. planificaci? n son el resultado de una integraci? n ponderada de conocimientos t? cnicos y una multiplicidad de aspectos relacionados con el conocimiento common y social. En este trabajo el autor propone, desde el ? mbito de las ciencias del medio ambiente, diversos planteamientos te?
- Baroque Architecture (History of World Architecture)
- Architecture Description Languages: IFIP TC-2 Workshop on Architecture Description Languages (WADL), World Computer Congress, Aug. 22–27, 2004, Toulouse, France
- Peter Eisenman
- ADA / ABA handbook : accessibility guidelines for buildings and facilities
Additional info for ASCE standard ASCE/SEI 41-13 : American Society of Civil Engineers : seismic evaluation and retrofit of existing buildings
In other cases, a reduced level of performance has been allowed to avoid damaging historic fabric during retroﬁt. In other cases, a higher Performance Objective has been used to enhance postearthquake repairability of historic features. Codes and policies regulating historic buildings have tried to balance a desire for improved seismic performance with a commitment to preservation. This standard’s criteria, however, do not directly or explicitly address speciﬁc preservation objectives. Where historic preservation concerns would inform a project’s seismic performance objective, this standard might therefore be inadequate if applied simply as written.
Boundary Component: A structural component at the boundary of a shear wall or a diaphragm or at an edge of an opening in a shear wall or a diaphragm that possesses tensile or compressive strength to transfer lateral forces to the seismic-forceresisting system. 1 in Chapter 2. 4 in Chapter 2. Braced Frame: A vertical seismic-force-resisting element consisting of vertical, horizontal, and diagonal components joined by concentric or eccentric connections. BSE-1E: Basic Safety Earthquake-1 for use with the Basic Performance Objective for Existing Buildings, taken as a seismic hazard with a 20% probability of exceedance in 50 years, but not greater than the BSE-1N, at a site.
Flexible Connection: A link between components that permits rotational or translational movement without degradation of performance, including universal joints, bellows expansion joints, and ﬂexible metal hose. Flexible Diaphragm: A diaphragm with horizontal deformation along its length twice or more than twice the average story drift. Seismic Evaluation and Retroﬁt of Existing Buildings Force-Controlled Action: An action that is not allowed to exceed the nominal strength of the element being evaluated.


Acer Paving & Landscaping are Approved Installers of Ecogrid permeable plastic paving. We install Ecogrid gravel stabilisers in permeable shingle driveways and parking areas, with recent installations in Wiltshire, Gloucestershire Oxfordshire and Worcestershire. Ecogrid porous paving has a multitude of other uses which are listed in the section below:
Ecogrid is a plastic porous paving product, it comes in three different depths and four different load bearing capacities. Ecogrid is a permeable paving class leader with by far the best patented locking system that you would expect from the world leader in it’s field and a world leader for the past six years.
Ecogrid needs no spikes or time consuming clips to assemble and is THE proven product for a myriad of uses.
Ecogrid is TUV tested for loads of 350/250 and 120 tonnes per square metre, however these tests are carried our empty, giving an accurate test of the load bearing quality of the grid alone. Other grid manufacturers show their load capacities as full grids, if we did this; we would show twice our published capacities at 240/500 and 700 tonnes per square metre!
Ecogrid is a ground reinforcement product made from recycled polyethylene. It is THE solution for car parks, pedestrian and cycle paths, picnic areas, golf courses, parks, fire lanes, event areas and horse paddocks. Ecogrid is an environmentally friendly alternative for use in domestic driveways, Airfield runways and taxi ways, reinforcement of roadsides, banks, shores and slopes. Ecogrid is a sustainable ground reinforcement tile that provides excellent water drainage. Ecogrid comes in four different sizes and three different colours. Black green and brown.
Acer were asked recently to suggest a solution to replace a large area of unsightly concrete with a shingle parking area. The property was near Evesham in Worcestershire and other contractors had suggested breaking up 350 square metres of concrete to allow shingle to be laid. They were correct in saying that shingle cannot be laid directly on hard paving because it would slip all over the place and be a mess in no time. Breaking up all the concrete would have been very expensive and that’s where our knowledge of gravel stabilisers and when to use concrete formliners provided the ideal solution.
Ecogrid gravel stabilisers allow shingle to be laid over concrete or tarmac whilst avoiding slipping or rutting. The concrete sloped and naturally drained in this instance so the process simply involved laying the grids and filling them with Cerney shingle.
The above two photo’s show a portion of the concrete parking area still visible as we started to lay the stabilisation grids.
The Ecogrid system is securely fixed together quite quickly, with the entire 500 square metres used on this project fitted in two days, including some preparatory work, two skips of old shingle removed and 40 tonne of shingle spread and leveled!
As part of this refurbishment of the parking and driveway in general, we also laid 150 square metres of the Ecogrid panels over the existing gravel driveway entrance. Stabilisation grids are an excellent addition to a shingle driveway, they prevent rutting and pothole repair by minimizing crushing, thus lowering the maintenance significantly and extending the life of the driveway.
Once the grids are filled, the transformation of the old concrete is dramatic! Where there was panels of tired looking concrete paving, now there is an attractive shingle parking area. With the Ecogrid installed underneath, maneuvering and walking on the shingle is so much easier.
Cerney gravel was used in this instance but we regularly specify crushed flint, (Newbury flint), Green Griggion, limestone, Cotswold chippings and Bubbenhall pea for our porous driveways, paths and parking areas.
Our second featured project is north of Cirencester in Gloucestershire. The existing shingle driveway was laid by us a few years ago. The main parking area near the house was performing well but the 50m long access road was beginning to pothole and rut. This is a continual problem with gravel and shingle drives, it only needs a small piece to be dislodged for a pothole to start to form. The answer was to lay two tramlines of Ecogrid to prevent this.
We removed the shingle from the existing road, leveled and compacted the base and repaired the potholes. The stabilisation grids were then quickly laid, (within one hour).
Once the grids were laid it was simply a matter of filling the whole area with shingle. We would normally recommend that that the entire area is covered with the plastic gridding, but in this case where the road was narrow and cars were restricted to a single route, (part of the problem in the first place), then tramlines of Ecogrid work well.
Once the shingle is laid it’s hard to tell the Ecogrid is there, (which is the whole idea). As soon as you walk or drive on it however, the surface feels much firmer and there’s none of that movement normally associated with a shingle drive.
Our final example was a worn out and tired shingle driveway in Gloucester. The owners needed a drive they could maneuver on without the shingle rutting and spreading, (something that constantly happened with the old one). Ecogrid shingle stabilisers were the perfect answer. The whole 150 square metre drive was refurbished in one day whilst the homeowners were at work.
In this example we used 10mm crushed flint, (Newbury flint), to cover the driveway. Flint is one of the best materials for a driveway, path or parking area because it’s totally frost proof, clean and almost indestructible. In fact, the majority of our shingle porous paving projects are finished with a crushed flint surface.
01793 729200 / 07802 752576


Tunnel will provide access to major commercial center for thousands of neighborhood residents.
July 20, 2009
SAN DIEGO – Sudberry Properties, Inc and H.G. Fenton Company have announced that they have reached an agreement, along with the City of San Diego, to enhance, open and maintain the pedestrian tunnel underneath Friars Road west of Qualcomm stadium near Fenton Marketplace. The tunnel is set to open July 29.
"The tunnel will significantly improve quality of life for thousands of residents currently living north of Friars Road," said Brian Schoenfisch, Senior Planner for the City of San Diego, "Instead of having to cross one of the city’s busiest roads, they will be able to safely walk or ride bikes through the tunnel to Ikea, Lowes, Costco, Islands, Oggi's Pizza, IHOP and many other shopping and restaurant destinations."


Builds a road with sidewalks and streetlights. Road is aligned with the direction that the player is facing when placed. Put a rail in its inventory to build a subway tunnel under the road, or put a minecart in its inventory to build a subway station under the road. Remove this block when the road finishes construction.
Lot Size: 16x16
Height: 3 above Road block (Tunnels)
Depth: 61 below Road block (Bridges)
Food Requirement: 1 per day
Food Type: Any food (quality 0+)
Active Time: Always


For decades, governments in Spain and Morocco have sought to bridge the 14 km sea crossing separating both countries. So near, but also, so far.
According to a press conference held by a Spanish planning group in Algeciras in May, a plan to build an underwater tunnel crossing the Strait of Gibraltar was taking shape.
Rafael García-Monge Fernández, president of the Spanish Society for Fixed Communication through the Strait of Gibraltar (SECEGSA), said that while previous feasibility studies had cast doubts on the project, a new assessment by the University of Zurich and Herrenknecht, the world’s largest tunnel construction company, argued otherwise.
The next step would be to build a tailor-made prototype tunnel borer, estimated to cost 32 million euros, according to local newspaper Diario de Cadiz.
The most financially practical solution, according to the new assessment, would be a 38 km tunnel connecting Punta Paloma in Spain with Malabata in Morocco. According to the proposal, 27 km of the tunnel would be under water with a maximum depth of 475 metres and a slope of 3 per cent. The tunnel would initially be designed only for use by trains.
The idea for a crossing was first proposed in October 1980, and both Spain and Morocco got to work. Each country created its own institution to focus on planning. Spain established the Sociedad Española de Estudios para la Comunicación Fija a través del Estrecho de Gibraltar (SECEGSA) and Morocco the Societe dÉtudes du Detroit de Gibraltar.
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But until now all the projects have been held up due to complications. In 1995, during a colloquium held in Seville, it was decided that a tunnel would be the best option. Two pilot projects were commenced and a 600-metre tunnel was built in Tarifa, Spain and a 216-metre tunnel was constructed in Malabata, Morocco.
However, the existence of two large gaps in the middle of the Strait postponed the project. The gaps had already been filled by soil movement, but the density of the material made it impossible to tunnel through, so a new route was needed.
The new study by Herrenknecht and the University of Zurich argues that it is possible to tunnel through the same route with eight new tunnel borers.
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While funds to complete the project have yet to be earmarked, SECEGSA hopes the project will boost the trans-European network of trade routes and increase tourism. SECEGSA points out on its website that travelling from Marrakech to Barcelona would take less than eight hours on high speed trains, compared to more than 14 hours by conventional trains.
However, the other side of that is not so promising: according to Ángeles Alastrué, SECEGSA’s CEO, at the moment it is impossible to set a budget for the project, when this happens Spain and Morocco will probably need to beckon other countries — and of course the EU — to foot the bill with, and it is unclear if the project’s deadline will be set for 2040, 2050 or 2060. (El Confidencial, in Spanish)
Besides, at its current proposed length, the 3 per cent exit angle of the tunnel is deemed too steep for a rail line to operate at high speed, which would be the main point of constructing it. A flatter curve at angle of 1.2 per cent — generally considered to be the maximum for technologically advanced train services — would solve this, but a longer tunnel would be needed.
And… needed? Given that the area is already well served by ferries and boats connecting Algeciras in Spain with Tangier Med, and that the latter port has been receiving lavish funding from the Moroccan government to reach its present cargo capacity of 8 million containers, an underwater train link may complement this flourishing harbour’s efforts, but also take work away from it or, worse, make it end up as a white elephant. (The Daily Telegraph)
Today, it still seems possible that one day an undersea tunnel could connect Spain and Morocco — although it may also be a completely doable plan only when seen on the drawing board.
Do you know any other similar projects?Talk


Ash Grove Concrete Mix is perfect for any job requiring concrete applications two inches or thicker. This mix can be used wherever ready-mix concrete is used, especially when smaller quantities are required.
Recommended uses include patios, slabs, curbs, steps, walkways, footers, countertops, and setting posts and poles. The uniformly blended and easy-to-use mixture contains portland cement, sand, and gravel.
Ash Grove Portland cement may be mixed with aggregates to form a premium concrete, mortar, or stucco mix. Type I and Type I/II cements are suitable for most concrete applications while Type III provides a higher early strength for use in cold weather.
Recommended uses include for concrete mix, mortar mix, stucco mix, precast, and parging.
Ash Grove Type N Cement is specially formulated to provide a mortar with a superior bond, enhanced setting time, board life, workability, water retention, and durability. This Type N cement achieves medium strength for non-load bearing walls in brick, block, or stone masonry construction.
It’s also ideal for making stucco or plaster or for making mortar repairs. The cement is a mixture of portland cement, finely ground minerals, and special admixtures for above grade or exterior construction.
Ash Grove Type S Cement is formulated to provide a mortar with enhanced setting time, workability, water retention, durability, and bond. It achieves high strength and mechanical resistance, for use in load-bearing walls or wherever higher adhesion, greater compression, and flexural strengths are needed.
It is ideal for laying block, brick, or stone, making stucco or plaster, and making mortar repairs. Type S Cement is a mixture of portland cement, finely ground minerals, and special admixtures for above or below-grade usage.
Ash Grove Mortar Mix is ideal for laying brick, block, and stone, or repairing masonry walls. It is thoroughly premixed to ensure strength and workability.
Our mortar mix is best used for masonry applications, such as fireplaces, chimneys, stucco, and tuck-pointing. It is a ready-to-use mixture made of cement, graded sand, and other ingredients for masonry applications. Dry mixing is not required.
Sturgis Materials carries Lehigh White Type N and Type S masonry cements that are ready to use at the job site. These products yield reliable workability and improved board life.
Lehigh recommends machine-mixing between 2 ¼ and 3 cubic feet of sand with each bag of white masonry cement. Products are available for exterior, above and below grade applications, as well as interior applications for load-bearing and non-load bearing walls.


With a $4.7 billion budget for infrastructure and land development last year, Bendigo Regional Council (BRC) is trying to build on a decade of success.
In 2014, the council won a $2.5 billion development deal from the Australian Government to build the Bendigo Development Center on the site of a former industrial site.
With a further $1.4 billion budget in 2020-21, the centre will include a health, social and educational centre, as well as a community health centre.
The project is being built on land which was used to make up Bendigo City Council’s land-use planning process.
It will include new buildings, a community park, a residential community centre and a school.
“We have a strong track record of delivering on the promises of our funding,” said Mayor Andrew Breslau.
“This is a major step forward in delivering on our vision of delivering the best for the community.”
A major investment in infrastructure and public infrastructure has also been put in place for the new centre.
It is expected to have a workforce of 10,000 by the time it opens.
“The project will transform the city and create a vibrant, attractive and sustainable community for the Bendigoes,” Mayor Andrew Caulfield said.
“It will provide a significant economic boost to the community, and is expected in the next 10 years to create at least 300 new jobs in the Bendiogoes and attract thousands of new residents.”
The project will also have a social impact, with the council hoping to generate $3 million annually in new tax revenue.
“Bendigo is a well-established city with strong social and economic diversity and we are excited to be bringing in Bendigo’s best-in-class infrastructure and planning to help deliver on our ambitious goals for the future,” said John Bresler, Bendigo Regional Council manager.
The council hopes the centre’s infrastructure will improve the health and wellbeing of local residents.
“There is a real need to get people back to work and to take advantage of the opportunities available in our area,” Mr Caulford said.
It’s the third major development in the city for Bendigo, after the Bendige Centre for Arts and Cultural Innovation and Bendigo Arts Park.
“I know this project is going to be a game-changer for Bendigos’ future and I want to thank everyone involved,” Mr Breslin said.


Whisper House sets on a steep forested bank with thick pine and spruce. Views to Penobscot Bay abound through pockets in the canopies of downslope trees. Designed to be non-visable from the driveway and guest parking, only a glass kiosk presents itself to visitors, with the bulk of the building being cut into the hill side beneath.
The entirety of Whisper House is regulated by a 4’ grid. This governs all major walls, spaces, and structural elements. The house was designed not to be seen from the front and there is no image of “house”. Built on a steeply sloping site, the design developed into a half underground, half out of ground structure. Ledge outcroppings are common and the design grounds the building with cast concrete walls that grow out of the ledge and define the east and west edges of the building.


Square Circle Landscapes is a team of hard landscapers providing driveways in Glasgow and surrounding areas. We are fully insured and have a fantastic team of professional landscapers in Glasgow with brilliant customer feedback and all 5 star reviews on Facebook and Google etc.
Please get in touch for a quote for supply and fit for a driveway or if you would just like driveway installation our team will keep you right.
Over time a driveway will start to look dated and tired and nothing looks worse outside your home than an old driveway! So improve the look of your property by replacing your driveway.
If you live in a nice detached family house, then there’s a possibility that you already have your driveway. Having your driveway is like having the private road that you’re responsible for. And whether you like it or not, your driveway is a part of your house that should be maintained and renovated when possible.
And not only because it provides vehicular access to your home, and a bad and gritty driveway can damage your car. Although these things aren’t set in stone, upgrading your driveway can increase the value and the resale price of your house in the real estate market. Not to mention the aesthetic appeal a nice driveway can give your home.
Concrete driveways Glasgow
Concrete driveways get a bad rep for their putting and bland appearance. But when you look at the benefits of installing a concrete driveway, then it won’t look like such a bad option. Concrete driveways are quite durable, and they can last for a long time with very minimal maintenance.
What makes it such a great option for a homeowner on a budget is how to DIY-friendly it is. Although professional help is advised, you can still install your concrete driveway yourself. Plus, concrete driveways don’t have to be unattractive; for homeowners interested in aesthetics, some great coating options are available for your concrete driveways.
At first glance, it’s common to mistake asphalt for concrete, but they are not the same thing. For one, asphalt is a lot cheaper than concrete, and it’s great for any homeowner on a budget. However, its low price tag comes at a cost.
Asphalt, unlike concrete and other driveway materials, is prone to damage and has a very short lifespan. That’s why it’s a very high maintenance material to use in your driveway, as regular maintenance is a must. And although asphalt isn’t as appealing as other materials like stone, it does get the job done and will give your driveway a nice finished look.
Aggregate is the cheapest and surprisingly most durable driveway material in the market. Relatively easy to install, aggregate or gravel are nature friendly as their materials are sourced naturally.
Aggregates or gravel are also extremely low maintenance. Just the occasional filling from time to time is enough. But, because they are prone to erosion, they need an effective drainage system to sustain them, and a basic French drain will do the trick. The downside of aggregate is its low aesthetic appeal, and it is difficult to plough for areas with heavy snowfall. Regardless, it’s a driveway material worth considering.
Stone / Monoblock driveways
Stone / Monoblock driveways in Glasgow are definitely the most aesthetically pleasing driveway materials on this list. A stone driveway can also be cohesive with other elements in your yard, such as fountains. Durability and sustainability are added advantages that make stone a great material for your driveway.
Due to the intricacies of installing a stone driveway, it can’t be a DIY project and must be professionally done. That is an added expense to an already expensive driveway material. There’s also the fact that after heavy rainfall, stone driveways tend to be slippery.
Nonetheless, they are still the most beautiful of all the driveways.
Importance of driveways
During home renovations, installing a decent and functional driveway is definitely something every homeowner needs to consider.
There are many reasons why getting a driveway is of great benefit to you and your home.
How to maintain a driveway
Maintaining a driveway depends on the type of material used in your driveway.
For example, aggregate or stone driveways are one of the most durable and easiest to maintain. As long as it has an effective drainage system, the occasional filling is all that’s needed to maintain it. While materials like asphalt are very high maintenance and require constant resealing every two to three years, according to experts.
There are many great aspects of every material used in making a driveway. In order to make the best choice, it’s important that you weigh the pros and cons to ensure you’re selecting a material that works for you and we will be able to help you with all of the above.


Some time ago, Hiab received a request from Water is our World foundation, working in cooperation with Dutch well drilling company Klinge. Good drinking water is essential for both the individual health of people but also the economic development of communities. Therefore, Water is our World has started several projects to provide drinking water for those in need in developing countries. At the moment, their main projects are in Surinam, Vietnam, Senegal and Moldova.
The foundation has a project also in Mozambique, Southern Africa, focused on drilling of wells in small villages to serve the inhabitants with taps with clean, reliable drinking water. For this project, there was a need for a service vehicle handling heavy loads – and who better to help than Hiab.
So, Hiab was happy to donate for the project a used HIAB 085D-4 loader crane, with a vertical reach of 17 meter and intended to handle loads up to 1.5 tons. The service truck with the crane was built in Holland, and transported to Chimoio in Mozambique.
We are pleased to announce that the foundation expects to drill the first wells halfway this year!
For more information on the Water is our World, please visit waterisourworld.com.
And if you would like to help or have a drinking water project that needs professional support, you can contact Theo Smit from Foundation Water is our World at firstname.lastname@example.org.


Neom, a $500 billion (Dh1.84 trillion) futuristic project planned for the north of Saudi Arabia, awarded a transport and utilities infrastructure design contract to Aecom, one of the world's biggest building consultancy firms.
In addition to design services, Aecom’s scope of work also includes environmental and geotechnical support, the US-based firm said in a statement on Tuesday. The value of the contract was not disclosed.
Aecom will help Neom to create the “primary and base infrastructure” required to support the ambitious project, Brett Smythe, chief projects officer of Neom, said.
“Neom’s next generation cognitive cities will support its cutting-edge urban environments, improving the lives of residents and businesses far beyond the capabilities of today’s smart cities … it will be a beacon for future living,” he added.
Neom is the flagship project of Saudi Arabia's post-oil diversification plan known as Vision 2030 that seeks to reduce its reliance on hydrocarbons. It is being overseen by the Public Investment Fund.
It is located in north-western Saudi Arabia and is set to include territory from the Egyptian and Jordanian borders, spanning a total area of 26,500 square kilometres. It will contain towns and cities, ports and enterprise zones, research centres, sports venues, entertainment sites and tourist destinations. The bulk of construction is due to take place over the next decade, with a target of hosting one million residents by 2030.
“We are excited to be playing such a pivotal part in delivering one of the world’s largest and most complex infrastructure projects,” Lara Poloni, Aecom’s president, said.
“Our global multi-disciplinary team of experts will bring together a diverse set of skills to deliver a sustainable project that will connect communities and create thousands of jobs across Saudi Arabia,” said Ms Poloni.
As the centrepiece of Saudi Vision 2030, Neom will become one of the world’s leading destinations to attract talent, investment and drive economic change, she added.
In July last year, Aecom was also appointed to deliver project management consultancy services for the phase one of the Neom Bay project – a 45 square kilometre portion of the site that will contain thousands of residential units, leisure, retail, commercial, public and entertainment facilities.
Neom will contain areas dedicated to future technologies in sixteen sectors including biotech, food, manufacturing and technology, among others. Private sector investment in each sector is being sought for the site, which is more than 35 times the size of Singapore with over 450km of coastline.
Its contribution to the kingdom’s gross domestic product is projected to reach $100bn in the next ten years.
In order to accelerate the delivery of the site's infrastructure, Aecom will use the latest technology to deliver a 100 per cent digital design, Bill Price, programme director at Aecom, said.
“Digital tools will play a vital role in the collaborative approach and stakeholder engagement … with quickly produced visualisations that are built from live design data that is geospatial accurate,” Mr Price said.Read the full article


This past weekend, the Ohio Valley Student Conference took place. UofL attended, competing with their 2014 bridge design. Each year, ASCE and AISC write rules to introduce the students to unprecedented challenges. That was no less true this year!
At the competition, 8 out of 12 bridges either disqualified or failed during loading. That is not an usual thing! If nothing else, this proves the challenges of this year’s rules. Unfortunately, UofL was one of those teams; you can’t win every time.
This year’s bridge had a dimensional disqualification which was unforeseen, as it only occurred when fully constructed. This is a great lesson for all engineers: it might work out on paper, but in real practice it can be a totally different story.
On a happier note, the UofL team had one of the quickest bridge construction times, and that is an impressive feat! The team has learned a lot from this year’s competition and is excited to bounce back next year!
The Steel Bridge Team at U of L is excited to be in the fabrication phase of the project. The ECTC workshop is working hard to deliver a quality bridge, and the team is thrilled to see their design come to life.
In the coming weeks, the team will be perfecting the bridge’s construction time. There will soon be tryouts for team builders, who will represent our school at the regional (and hopefully national) level! If you are interested in being a builder, email us at SteelBridge.UofL@gmail.com.
This week, the U of L Steel Bridge team submitted their final bridge design to the fabrication students at Elizabethtown Community & Technical College! The team is very excited to move forward; they are now working on completing the shop drawings for the folks at ECTC. Additionally, they plan to work with the CAD department at ECTC, so that all students involved can truly benefit from this collaborative process. Many thanks to the ECTC faculty for continuing to make this happen! The Steel Bridge Team looks forward to seeing their project come to life!
The Steel Bridge Design Team is completing their design, which is within the goal of completing the design this semester! This is a great step forward for the new team. The next step will be to order materials; namely, steel!
Like last year, the team will be working with welders and fabricators from the Elizabethtown Community and Technical College. The faculty and students from Elizabethtown will have ongoing communications with the UofL students, and it will work very much like a real engineering project. The groups will exchange Autocad drawings, mark up the drawings, communicate about improvements and any issues in fabrication, and much more. This provides a great experience for both groups, especially the engineering students from UofL, because they’re getting real life project management experience!
Many thanks to the guys at E-town for helping the team out again this year. Stay tuned for more updates on bridge fabrication, as the team watches their new project come to life!
The Steel Bridge Team is hard at work on the 2014 bridge design. Each year, the American Institute of Steel Construction (AISC) and the American Society of Civil Engineers (ASCE) present new and unique challenges in the competition rules. This year, there is a heavy constraint on the depth of the bridge. As you can imagine, this rule makes it difficult to design a stiff bridge.
With this new challenge in mind, the steel bridge team is working hard to find creative ways to make a strong, efficient bridge. Connections must be very snug, without taking forever to fasten; the final product should be practical to put together. All of these details must be considered at the very beginning design stages.
The design is moving along well, and the team is very excited to begin fabrication in January.
The Steel Bridge Team has begun its design phase, training new members on the software necessary to design a competitive bridge. AISC (American Institute of Steel Construction), the major sponsor of the Steel Bridge Competition, provides each team with STAAD software. This software assists the team in designing complicated structures.
Once the new members are proficient with STAAD, each member will be proposing a bridge design of their own. From there, the team will choose which bridge appears to be the stiffest, most efficient structure. It’s an exciting time to be a part of the team, as this design could go in many different directions!
If any student is interested in joining the team, Steel Bridge meetings are held Wednesdays at 6:00PM in the ASCE Office (W.S. Speed LL004) and the team can be contacted at SteelBridge.UofL@gmail.com.
2013 Team (L to R): Kevin McKeel, Jon-Peter Lee, Brooks Benton, Stephanie Coffey, Matt Rhoads, Marcella Kennedy, Ian vanLierop, and Sam Hornback
The U of L Steel Bridge Team completed its best year in June! The team swept the Ohio Valley Student Conference, placing 1st overall for the first time in school history. Additionally, U of L placed first in four out of six categories. These successes qualified the team for the national competition, for the second consecutive year.
At the National Student Steel Bridge Competition, the U of L team faced prestigious schools such as UC Berkeley and MIT head on. This being the second year that the team made it to nationals, the students knew to expect some heavy competition. They worked on improving the qualities that they last year saw in winning bridges: lightness, stiffness, and innovative (and minimal) member connections.
Fully loaded bridge at 2013 regionals.
Comparing the 2013 bridge with the 2012 bridge, the U of L team indeed made many improvements. The 2013 bridge was 61% lighter and had a 64% reduction in the number of bolts. These numbers brought confidence to the team, and with good reason: U of L placed 32nd out of 49 international teams. This is a 12 place improvement over last year’s national results.
The 2014 rules were recently released, and the 2014 team is currently in the process of recruiting. The U of L Steel Bridge team plans to come back strong this year, and complete the bridge design by the end of December.


What is pipe jacking? With pipe jacking, pipes are installed directly behind a machine while controlled excavation is performed at the face of the line. A flexible, structural, watertight pipeline is the result.
By supporting charities, you will not only be helping those in need but also be receiving a few benefits, including improving employee morale, gaining marketing experience, tax deductions, and improving your local communities.
What is Trenchless technology?
Trenchless technology is a type of construction that uses less manpower and fewer resources than traditional excavation methods. The system uses a variety of sensors to detect the presence of underground obstacles, and create a trench around them without having to break the surface. This method can be used for projects such as waterline repair, gas line installation, or infrastructure upgrades.
Pipe jacking has many benefits. In this article, we have laid out the advantages of pipe jacking.
Benefits Of Pipe Jacking
Traditional open-cut trenching causes several environmental problems. Air pollution and noise pollution are common side effects of open-cut trenching.
Dust particles are swept into the air during excavation, and the loud noises made by heavy-duty construction equipment can disturb the natural habitat of many animals and insects. Loud noises are known to impair an animal’s survival instincts and can lead to the extinction of some species.
Unlike traditional open-cut methods, pipe jacking requires only an entry and exit pit to be excavated. This leaves the stretch of ground in between the two points undisturbed.
With less ground disturbance, pipe jacking will impact the surrounding fauna and flora on a smaller scale. In addition to reducing restoration costs, the installation process will be quicker.
As less time and machinery are needed to complete a project, carbon emissions are sometimes lowered by up to 75%.
With the open-cut method, the length of the installation needs to be blocked off (for the safety of residents); this can include roads and walkways. The blocked-off areas will only be accessible once the installation is completed and the site is safe for the public, which can take months.
Due to the limited site footprint of pipe jacking, pipe jacking will not be as disruptive to residents and workers around the construction site compared to traditional open-cut methods.
Excavation work is considered hazardous, and failures like cave-ins can happen instantly. Working near excavations includes dangers like falling into trenches, flooding or water accumulation, a dangerous atmosphere, being struck by machinery, and equipment failures resulting in harm to workers.
As trenches get more profound, the danger to workers increases. Any excavations deeper than 1.5m is considered high risk.
Although pipe jacking is not without safety hazards, they are drastically reduced with only two pits (entry and exit) that need to be excavated. Person-hours are also reduced due to minimal excavation, which leads to fewer accidents.
For the duration of the installation, the operator is fully protected. The operator sits within a safety enclosure known as a Falling Object Protective System (FOPS). Operators don’t need to be exposed to the outside environment; should anything fall from above, they are shielded.
In cases where a trench might contain live wires, unique safety mechanisms warn employees. A strike alert mechanism inbuilt into the machine will sound if live wires are hit, informing the operator that the machine is live.
Over the last few years, trenchless technology has gained popularity. When obstacles like roads, rivers, and buildings are present, pipe jacking is the perfect solution.
Pipe Jacking can provide many benefits for your business. When done correctly, it:
-Increases production by freeing up equipment and providing extra capacity;
-Reduces downtime by increasing the efficiency of processes;
-Can prevent costly accidents by helping to avoid stuck or tangled pipes;
-Can help reduce noise levels in the workplace, making it an ideal solution for sensitive environments.
We are a team of technical content writers who produce high-quality, engaging content for our tech audience. We know the latest trends and what matters to our readers, and we share that information in a way that’s easy to understand.


Streets, Water and Drainage
John Whitmire has always placed an importance on cutting to the chase - identify what needs to be done and then get it done.
As mayor, Whitmire will place a priority on:
- Fixing the streets and reducing traffic congestion
- Repairing our aging water mains
- Taking responsibility for clearing drainage ditches and improving the system that moves flood waters to the bayous
- Focusing METRO’s transit system on getting people to work and school


Building Bhutanese Resilience Against Cataclysmic Events (BRACE)
BRACE is a foundation-building project funded by the UK's Natural Environment Research Council (NERC) as part of its Global Challenges Research Fund. The project is designed to forge new relationships among geoscientists, engineers, social scientists, historians, and policy makers to address seismic risk and develop resilience-building strategies across Bhutan. Our team will combine tectonics, seismology, geomorphology, geography, environmental history, environmental decision making, engineering, development, and education to investigate the links between historical records of seismicity, seismic hazards, and the impact of earthquakes on environmental issues, infrastructure, and populations. Our aim is to develop resilience and research capacity within Bhutan to cope with earthquakes and their cascading effects on the environment, infrastructure, business, and society.
The BRACE project team brings together a wide range of experts from Bhutan, the UK, and the USA. To find out more, visit our Who We Are page.
The project started on 9th January 2017 and will run for one year. We will update this website with news of the project as it develops, so please check back for more information over the coming months.
You can also find out more from our recent University of Bristol press release!


A656 GRADE 80 STEEL PLATE
Lapham-Hickey Steel produces high-performing A656 Grade 80 steel plate with impressive strength, remarkable resistance to corrosion and available in an array of grades. Through chemical composition and controlled mill processing, A565 Grade 80 steel plate can be easily formed and welded, and is perfect for demanding structural applications where strength-to-weight ratios are important.
What is Grade 80 steel?
Grade 80 steel is a high-strength, low-alloy steel offering weldability, formability and notch toughness. A656 steel plate is available in four grades: 50, 60, 70 and 80 (most popular) and 100. A656 steel plate is also a high-strength, low-alloy, hot-rolled structural steel used in structural applications where lighter weight and improved formability is critical
A656 Grade 80 Steel Applications
Lapham-Hickey Grade 80 steel plate and A656 steel plates provides strength, durability, and corrosion resistance required for a wide variety of uses. Use Grade 80 & A656 steel plate for:
- Truck frames
- Crane booms
- Rail car components
- Construction equipment
- General fabrication
Delivering the experience you want
Lapham-Hickey’s knowledge of the metal industry is second to none as expert engineers and skilled metallurgists design, develop and deliver reliable, durable products for the most challenging applications.
- Deep understanding of steel market cycles
- All locations conform to ISO standards to ensure you get the product you want every single time
- Strong foundation of family ownership. Lapham-Hickey was established in 1926 and is now in the capable hands of a fourth generation.
Dedicated to serving you
Lapham-Hickey provides outstanding customer service and the best technical support in the industry. Our service centers are ranked as one of the top 30 in the nation and our outstanding employees are dedicated and devoted to serve you each and every day.


BY KAREN HANSEN
In light of the new 2,600-foot well that was recently dug here into the Jordan Aquifer, I decided to do research on the early Walnut water systems, started in 1880.
The Walnut water works, when completed, will be a thing which every citizen will feel proud of. The tank which holds the water, for the supply of the hydrants, will have a capacity of 56,750 gallons or thereabouts. The well from which the water will be drawn, will be fifty feet in depth, from which it will be forced into the tank by a wind mill. The tank will be elevated, upon suitable timbers and mason work, sixteen feet, which will give the water sufficient head to throw over any building in town, or about 60 feet at the foot of Central street, at its abutment upon Pearl.
The cost of the tank, lot, well, and wind-mill will be about $1,500; this amount will be paid out of the city treasury. A pipe must then be laid from the tank along Central street to Pearl. The pipe and hydrants will cost about $500; this amount must be raised by the individual owners of the property upon and contiguous to Central street. It is then proposed to ascertain the amount of water that can be spared from the tank, and allow each building along the street to use their portion of the surplus amount, which for the purposes of street sprinkling, alone, will be worth the price of their subscriptions. (The Walnut News, August 26, 1880)
O, yes Walnut has a system of waterworks, so called. It is not so much a system of water works as a systematic drain on the town treasury. It stands as a monument to misdirected intent and misplaced money. A tower, surmounted by a windmill, a leaky tank, a hole in the ground, some rusty iron pipe and two small cisterns constitute the entire plant. The total cost has been more than enough to put up a serviceable plant complete. The prevailing idea at all times has been to get something for nothing and get it together a little at a time. Every dollar put into the wreck for the past seven or eight years, and every dollar which will be put into it in the future will be worse than thrown away. It is thrown away because no good will ever result, and it is worse than that because the whole business will throw discredit and disrepute upon any move to put up a system that will amount to something. These remarks are suggested by the fact that the town council is having another well dug on the lots by the opera house. (The Walnut Bureau, January 27, 1893, p. 4)
THE WATERWORKS COMPLETE
On April 22, 1896 the contract to erect a system of waterworks was let by the town authorities to B. P. Eagan, of Nebraska City, at a price of $9350. The standpipe was afterwards let by Mr. Egan to the Geo. E. King Bridge Co., for $1675.
The work was commenced by Mr. Egan about the middle of May and all his part was completed about the first of July….
The system consists of pumping station with two 10 inch vertical engines and 40 horse power boiler.
There is 9756 feet of mains all within a complete circuit with the exception of about 1200 feet on north Central street, 25 hydrants and 16 gate boxes.
The standpipe is built of the best steel plate, 10 feet in diameter and 100 feet high and will hold in the neighborhood of 53,000 gallons…. (The Walnut Bureau, August 7, 1896, p. 5)


BELL Group's Biogas projects use anaerobic digestion to treat the effluent gas and to generate methane-rich biogas, a mixture of CO2, CH4 (methane) and trace gases produced from anaerobically digested organic matter. Our 2MW Biogas power plant, commissioned in 2010, is noted to be the first grid-connected, CDM-Based Biogas power plant in Malaysia.
Our Biogas facilities also generate sufficient energy to be self-sustaining and to supply surplus energy to the grid.
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Orientation is of greatest importance in heating climate zones – that is, in the more southerly (temperate and cool) parts.
Orientation in its simplest form means locating living areas like the lounge room on the north side of the house, with windows having clear access to sunlight especially in mid-winter.
Effective orientation provides a minimum of about five hours of useful solar heating a day. Even with this, the glass will still be exposed to about 19 hours of varying degrees of heat loss. So it’s important that other elements of passive design support the orientation, or the effect will be lost.
Ventilation can improve comfort levels and the air quality in your home. Most Australian homes rely on a combination of exhaust fans in kitchens and bathrooms and windows and doors (and in older homes fixed wall vents) that open to provide ventilation.
Ventilation is important in passive solar design to help cool a house by allowing air to move and escape. The aim is to design for effective cross-flow of air through the building. The design must align windows with internal doors in a way that does not block breezes, and to not locate rooms where they block breeze paths.
Passive solar design uses zoning to help regulate temperature in a home. Doors close off rooms and spaces and stop warm air escaping from living areas into empty corridors. Zoning also keeps cool air in during summer so if you use the air conditioner you only cool the room you need and not the entire home.
Insulation is like a barrier, helping to regulate heat flow into and out of your home. By reducing heat flow you can maintain a comfortable temperature inside, regardless of the temperature outside. The type and level of insulation needed varies depending on where you live and the building materials used for the house. If you live in a naturally ventilated home in the tropics, the aim of insulation is to reduce the amount of heat getting in without restricting the hot air escaping. Reflective insulation under the roof and in walls that are not permanently shaded would work well.
In an alpine region, however, you would want to stop heat flowing out in winter and prevent heat coming in during summer. Such homes benefit from reflective insulation under the roof, floors and in walls, and bulk insulation in the ceiling and walls.
Thermal mass is a measure of a material’s ability to absorb and release heat. Good passive design uses thermal mass to absorb excess heat from within a house during summer days and dump it to cool night skies. In winter, solar radiation warms the mass during the day, re-radiating it to the occupants at night. It is critical that thermal mass is well insulated from external temperatures and that it is exposed to winter sun in cooler climate zones.
Bricks and concrete are the most commonly available high mass materials, but rammed earth and mud bricks can also be used.
Windows and Glazing
The size of the window has a large influence on comfort, as it is both the biggest source of heat loss and heat gain. Ideally, in most climates of except the Top End region, the top of the window should be lower than the eaves by 30% of the height from window sill to underside of eaves.
Otherwise, that window area will be permanently in shade i.e. receives no solar gain in winter. The width of the eave (or other shading device) should vary according to the height of the glass it is shading.


Gable Roofs are a traditional finished look for backyard patio covers. Our CARBOLITE Gable Roofs are designed by using fully welded aluminium trusses approved by our engineers for greater spans and piece of mind.
Using 100 x 50 x 3.0mm material (depending on spans), all aluminium is powdercoated for a low maintenance finish. The gables are produced from fully welded trusses, which are not only decorative but also efficient for greater spans. Using these members with welded webbing (small support beams within the truss), trusses can be up to 40% more efficient in spans than single spanning beams.
The trusses can be attached to the fascia (by using fascia brackets) through the existing house roof (by using Extenda brackets). The trusses fit on top of these brackets and crossbeams are attached. Once the frame is in place, the CARBOLITE system of sheets/H bars is installed on top for a fully glazed roof. Ridge caps are also used to cover the top where both sides of the sheeting meet.
For additional information, please visit the Tech Guide for our products.


Finished Lines provides complete services related to parking lot maintenance, whether your project requires seal coating and line striping, or a new construction job requiring layout, we do it all with the highest quality materials in a timely matter. Our highly trained professionals at finished lines work diligently to build long-term relationships with our customers. Our main priority is to always get the job done right, the first time. Fully licensed and insured.
- Stencils/Pavement Marking:(Arrows, Stop, Enter, Exit, Reserved, Visitor, etc)
- Parking Blocks & Bollards


building, bridges and rigid pavement are examples of reinforced concrete applications. Because of better material being used and nullifying the effect of dead loads, smaller deflections are caused. The elimination of conventional reinforcement, and in some cases the reduction in section thickness can contribute to some significant productivity improvements. Disadvantages of Ready-Mix Concrete Following are the disadvantages of ready-mix concrete: The materials are batched at a central plant, and the mixing begins at that very plant. In long structures, expansion joints are required to be provided if there is large temperature variance in the area. As with all flooring materials polished concrete has a variety of benefits that have made it an extremely popular flooring choice for commercial and manufacturing facilities, processing plants, shop and production floors, communal areas in these facilities, as well as other high traffic environments. Advantages of Lightweight Concrete. Learn about the advantages and disadvantages of flat concrete roof. So the travelling time from the plant to the site is critical over longer distances. Concrete can also be made using recycled materials - another environmentally-conscious choice for your property. Or call the Ranger Roofing of Oklahoma team for a free consultation: 918-347-4215. According to ‘Raj Premani’ (2017) (Published in: Fly Ash-A Boon for Concrete), India alone produces more than 100 million tons of fly ash every year. Concrete flooring is a common type of flooring adopted by many building owners. Disadvantages Of Self Compacting Concrete: 1. Concrete homes offer a number of advantages and disadvantages, just like any other home does. 5. The reduction in weight of concrete helps easy removal, transport and erection of precast products. Most people think that concrete build houses don’t look pleasing to the eye, but these days the external facings are so good that you hardly can make out the difference between a brick built house and a concrete block-built house. (2) good infiltration for various kinds of resin, good adsorption performance, easy … When compared to other traditional building supplies, concrete blocks add a considerable expense to a home construction. According to this study, concrete is the second most used material after water, and there are lots of reasons as to why it is so popular.Still, there are advantages and disadvantages to using concrete as a building material: Advantages of Concrete Furthermore, if you are using an existing concrete sub-floor, decorative concrete can be a very cost-effective choice. 1. Main advantages of concrete compressive testing machine: 1.The range of test force measurement becomes wider, more accurate, more stable. Disadvantages. Stamped concrete is an ever-growing popular choice due to the fact that it can be made to mimic higher-end materials such as brick and stone pavers at a fraction of those products’ cost. Advantages of silica fume in concrete: (1) silica fume is a kind of neutral inorganic filler with very stable physical and chemical properties. Fly ash creates a bad impact on the environment and human health. Deterioration of concrete is less. Foam concrete has a relatively high paste content and no coarse aggregate, it will shrink more than normal concrete. It helps in development of the early age strength of concrete which allows the early removal of formwork and thus enhances the production rate. 2. They involve things like discoloration, stains that are deeply embedded in the concrete, or imprints made when the concrete slab was initially poured. Durability A […] 7. Disadvantages of Concrete. Most common aggregates are sand, brick chips, stone chips, gravels, shells etc. Thanks to presence lime, the quantity of cement used is lower, so, the cost of raw materials for manufacturing autoclave aerated concrete is lower than that of the non-autoclave one. The road pavements which cannot change their shape without rupture are known as rigid pavements.The best example of rigid pavements is cement concrete road. Concrete may be strong, but it is made of a composite material. The following are the disadvantages of concrete. While the price of materials varies from region to region, concrete blocks typically cost two to three times as much as a more traditional wood construction. Founded by Director Chris Calvin in 2015, they are the industry leader of lightweight concrete, and their focus … Before choosing concrete flooring as an option for your building construction, you should know the advantages and disadvantages of it. Stamped Concrete Advantages and Disadvantages Concrete Deciding on which building material to surface an interior space, a garden path, patio, or driveway can be a daunting task because there are just so many choices today. Concrete flooring can be used in residential, commercial, institutional & public buildings of all types. An In-Depth Look at Concrete Construction. Reinforced concrete, as an economic building material, is very popular nowadays. This means that if a concrete roof tile is dropped, stood on, or falls off the roof, it is more likely to smash and be broken beyond repair. Stamped Concrete Patio: Pros and Cons Following the advantages and disadvantages of cement concrete road are … It does not contain crystalline water, does not participate in the curing reaction, and does not affect the reaction mechanism. Cleaning exposed aggregate concrete requires wire brushing or a strong jet of water to remove the dirt particles lodged between the aggregates. Foam concrete has a low coefficient of permeability. Disadvantages:- The main disadvantage is that concrete pipes are easily corroded at the crown because bacteria’s decompose organic matter present in sewage, hence release Hydrogen sulphide (H 2 S) gas which then in presence of moisture converts to Sulphuric acid, this acid then create small holes or patches which may result in corrosion.
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Grand Rapids, MI NO DIGGING Basement Waterproofing
Great Lakes Waterproofing is one of the largest and most dependable basement waterproofing companies in Grand Rapids, MI. Need Help Fast? Call Today! 1-888-448-2351
If you need wall reinforcement or foundation repair services in Grand Rapids, MI, Great Lakes Waterproofing has you covered. Our team of professionals will help you identify your basement wall reinforcement problems and deliver you the perfect solution. Visit our Foundation Repair page for more information on our foundation repair service.
Great Lakes Waterproofing is proud to serve the greater Grand Rapids, MI area, providing homes and businesses with Volclay brand Bentonite Clay for basement waterproofing or elevator pit waterproofing. Volclay Bentonite is a material used to stop wet foundation walls and leaky cracks in the wall. It is great for both residential and commercial use, as it is completely natural and never disintegrates. Visit our Bentonite Grout page for more information about its application.
Elevator Pit Waterproofing
Do you live in the Grand Rapids, MI area and face issues with water in your commercial/industrial elevator pit? Our team of experts uses proven techniques to help seal your elevator pit from damaging water caused by leaks in the foundation. Contact us today if elevator pit water is present in your building or call 1-888-448-2351 for your free inspection and estimate. Visit our Elevator Pit Waterproofing page to read more information about how we cure elevator pit water issues.
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More and more homeowners are starting to invest in solar power systems. Solar power technology has seen great advancements in recent years. Solar panels are a wonderful way to generate electricity for your home without impacting the environment. But there are some things that you must consider before you install rooftop solar panels:
- You need to consider how old your roof is and whether it needs repairs. You want to take care of any roof repairs before you install solar panels. The solar panels warranty will last about 20 years and a roof warranty between 10 and 15.
- Solar panels do require a specific placement in order to generate the maximum amount of power. The best placement is to have the panels face south or west. It’s important to know what direction the slopes of your roof are facing.
- It’s important to also know how much weight your roof can handle. You can have this evaluated by a professional before completing the installation.
- You also need to know where the rain will go. Sometimes solar panels can prevent water from flowing and draining properly. You want to have a plan of installation that will not impact the water runoff in any way.
These are just a few considerations to think about before you install solar panels. Make an informed decision about what to do.


Drywall and Framing
Framing and Drywall Contractors in Ontario
When it comes to framing and drywall construction, nothing is a joke. They are integral parts of your building that hold your rooms together. This means that you need the best framing and drywall contractors for your property, and here we are.
Ultimate Drywall and Framing with Streamline Renovations
The cost of framing and drywall construction can depend on a lot of factors. Some of them are mentioned below:
- The size of the space
– The material to be used
– The labor involved
– The duration of the project
– Any extra work that might be required
Every project is unique and requires special care and, hence, a customized cost. Contact us to get a free estimate for your framing and drywall needs.
You must consider the building's size and purpose to determine the best sort of framing
for you. Either a metal frame or wood framing is an option.
Steel frames are stronger and more durable. But, this framing may require special tools
and construction, which could lead to a higher cost compared to traditional wood
framing. On the other side, wood framing is less expensive and might be enough for you,
but it might not shield you from problems like holes, cracks, or mold.


Feng-pin An, P.E., has been appointed as the new area for the Fort Stockton Area Office. In his new role, Feng-pin will oversee design and construction operations in Pecos, Reeves, and Terrell counties. He will also supervise maintenance sections in Fort Stockton, Iraan, Balmorhea, Pecos, and Sanderson.
“I am excited to add Feng-pin An to our team in the Odessa District of TxDOT,” said District Engineer John Speed, P.E. “He brings a wealth of experience with him to serve the southern half of the district.”
Feng-pin joined Ford Motor Company after graduating from the University of Texas in Austin with a bachelor’s in mechanical engineering in 1999. After working on new product launches and production system improvements, he returned to school to earn his master’s in civil engineering from Texas A&M University in 2003.
He started his TxDOT career in the San Angelo District with the Sonora Area Office, gaining experience in both the Galveston and North Tarrant Area Offices (Houston and Fort Worth Districts) before earning his professional engineering license in 2007. He joined the District Lab in the Houston District where his projects included design of drill shaft foundations for the connector at US 59 and Beltway 8.
“Feng-pin An has experience with rural West Texas from his experience in the Sonora Area Office, but he also brings experience with working with large project loads from his time in the Houston and Fort Worth districts. He will have to draw from all of that to address the issues facing the Odessa District.”
Feng-pin An has a history of civil service. Between late 2009 and 2011, Feng-pin took a sabbatical to teach English in a village in Taiwan, where he was recognized for his volunteer efforts by the Taiwan Department of Interior.
After returning to Houston, Feng-pin joined TxDOT’s Central Design Team working on the completing design of US 59/ IH-69 reconstruction projects and the US 290 Segment 12 widening project. In late 2015, he became the lead design engineer in the Montgomery Area Office, supervising the design performed in the area office and supporting construction activities in the area. He became the Assistant Area Engineer in the Fort Bend Area Office in July 2016, managing several regionally significant reconstruction projects on US 59/ IH-69 and on the IH-10/ Texas Clear Lanes widening project. While in this position, he worked on improvements in customer experience and office operations.
Feng-pin and his wife, Kumi, have a 2-year-old daughter and a newborn daughter.


Subject property is located on Intercolonial Street on the Southern side of Kempt Road, Halifax. It is conveniently located near Windsor Street in the North End with quick access to Burnside, Bedford, Downtown Halifax, and Dartmouth. 5,830 Square foot building (4,190 SF main level and 1,640 SF second floor). Make up air system, oil water separator, in floor heat, 3 mini split heat pumps, two washrooms, and paved parking.More details
The Milford Industrial Park is located just norther of Halifax, NS and 30 minutes from Burnside Industrial Park. Pad ready lots are priced at $200,000 per acre(minimum 2 Acres) As-is land also available which require site work Lease rates for pad ready site: $.50 per square foot per year under 1 acre for gravel graded $.30 per square foot per year over 1 acre for gravel graded $.75 per square foot per year for under 1 acre gravel graded and fenced $.50 per square foot per year for over 1 acre gravel graded and fencedMore details
174 Trider Crescent is a 2,400 square foot owner-occupied industrial building situated on a 11,000 square foot lot in the heart of the Burnside Industrial Park with high profile exposure along Wright Avenue. The building features office admin buildout, warehouse space to the back with 13' clear height and a grade level loading door.More details
The Milford Industrial Park is located just north of Halifax, NS and 30 minutes from Burnside Industrial Park. The parcel of land will require site work to prepare for building/parking which is reflective in the price. An 8 acre pad ready site is available right next to it for $200,000 per acre. Lease rates for pad ready site: $.50per square foot per year under 1 acre for gravel graded $.30 per square foot per year over 1 acre for gravel graded $.75 per square foot per year for under 1 acre gravel graded and fenced $.50 per square foot per year for over 1 acre gravel graded and fencedMore details
2 Unit wood frame industrial flex building New construction 2 units available: Unit 1 (3,058 SF), Unit 2 (3,154 SF) or take all 6,212 SF 1 Grade level door per unit 10’ Clear ceiling height Individually metered electrical per unit Ductless heat pump Kitchenette's installed Available for fit up immediately $18 Net and $6.00 CAM & TaxMore details
The trademarks REALTOR®, REALTORS®, and the REALTOR® logo are controlled by The Canadian Real Estate Association (CREA) and identify real estate professionals who are member’s of CREA. The trademarks MLS®, Multiple Listing Service® and the associated logos are owned by CREA and identify the quality of services provided by real estate professionals who are members of CREA. Used under license.


RAWALPINDI: Rawalpindi Cantonment Board (RCB) has imposed a ban on new water connections and decided to take action against the illegal sale of tanker water being pumped from the ground through private tube wells
RCB has also warned those indulging in water wastage and has stated that they will cancel the water supply for anyone using an excessive amount of water.
Earlier, RCB had urged the residents to use water prudently in their daily routine to
avoid shortage in the coming days. They also warned that action will be taken against those using it excessively, as RCB is receiving 4 million gallons per day (MGD) from Khanpur Dam due to the fact that water level in the dam has dropped drastically. RCB spokesman, Qaiser Mahmood told APP that all out efforts are being made to meet the water demand of the residents of Cantonment areas


2019-11-07 18:42:37 BdST
Building multimodal transport hub big challenge for BR
Bangladesh Railway (BR) is facing a big challenge of setting up a multimodal transport hub in an entire area of Kamalapur Railway Station due to a lack of coordination among different agencies.
Sources said the challenge remains not only to accommodate its existing train services and planned high-speed trains with other transport modes including bus services but also to manage projects like metro rail and expressway.
BR has found that many transport agencies have taken up projects without their knowledge, linking respective alignment with Kamalapur station from various sides, they added.
"Even we were not informed about their detailed plans for their projects how and where the agencies concerned have plans," said an official.
Some major problems were identified during a coordination meeting with these agencies, he added.
A Japanese firm along with the BR is working on setting up of Kamalapur Multimodal Transport Hub (KMTH) under the government-to-government (G2G) public-private partnership (PPP) arrangement, highlighted the challenges during the meeting.
The state-owned train operator has made a progress in setting up the KMTH on its 256 acres of land as per the conceptual proposal put forward by Kajima Corporation.
The Japanese company presented a conceptual design on the proposed KMTH, accommodating BR's train services, high-speed trains, bus terminals, three mass rapid transit (MRT) lines (1,2 and 4), Dhaka Elevated Expressway (DEE) by restructuring the entire setup of station areas.
It was informed in the meeting that projects like subways, a flyover project of RAJUK and under-construction Dhaka metro rail were taken up linking with Kamalapur railway station without BR's knowledge.
RAJUK has also tagged the ramp of its proposed flyover coming from Dhaka-Mawa Road with the hub's front side. Dhaka metro rail company is working to extend MRT-6 up to Kamalapur station. MRT-6 is under-construction from Uttara to Motijheel.
BR as the leading agency has to coordinate with Bangladesh Bridges Authority, Dhaka Mass Transit Company, Dhaka Transport Coordination Authority, PPP Authority along with Bangladesh Road Transport Corporation, Rajdhani Unnayan Kartripakkha and others to manage their projects with the proposed transport hub. The Ministry of Railway and Road Transport and Highways Division and other ministries may also be engaged.
BR officials said the conceptual design was in principle approved during the 3rd platform meeting attended by principal secretary to the Prime Minister's Office.
They said as the design has been prepared, keeping a large area of land free on the front side of the station, it has been decided not to allow any project from the front-side. The Japanese firm requested all the agencies to accommodate their designs of respective alignment from the backside.
Wide-Open space is necessary to accommodate hundreds of thousands of transports and commuters to be using the transport hub as transit to go to different destinations, said an official.
Besides, BR has faced challenge of shifting Inland Container Depot (ICD) from the station area and other housing, hospital, graveyard, private land and bazaar to set up the KMTH.
Project Director M Monirul Islam Firozi said a technical professional team has already been formed to overcome all challenges.
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What We Do - Environmental Waterfront Design Consulting
Relating to the complex issues of climatic, edaphic, and biotic factors that act upon the ecological community and ultimately determine its form and survival.
DSN&A specializes in the development and presentation of environmentally sound waterfront projects.
Striking a balance between the use of the water and upland environment, DSN&A develops site-specific innovative solutions and mitigation approaches to protect and enhance the environment while allowing for more efficient use of the waterfront.
DSN&A Environment Specific Services Include:
Upland and In-Water Investigations
Sediment Sampling Analysis
Coastal Management Planning
Environmental Impact Statements
Mitigation Project Design and Implementation
Of or relating to the land, land with buildings or a section of town fronting or abutting on a body of water.
DSN&A provides innovative, realistic, and cost-effective solutions and designs for residential properties and related projects that aesthetically and functionally enhance the coastal environment as well as the quality of life for the residents,
Design and Planning
Of or relating to the conception or excution of a plan by which goals are achieved
DSN&A is a dedicated excellence in waterfront design and planning. We provide a caefully thought out Master Plan with functional and aesthetic results on a cost effictive basis, maximizing efficieny and flexibilty while blending marina and/or other near shore uses with upland activites.
DSN&A provides an integrated full service approach to the development of plans and details for the upland, shoreline interface and in-water structures and uses. We have undertaken design and redesign of:
Bulk Cargo and
Other Waterfront Properties
Relating to the provision of professional information, advice or service
At DSN&A, the environmental, planning, design, project evaluation and feasibility study disciplines are combined in one company,
bringing a well-rounded, cost effective perspective to preparing and implementing marina designs and redesigns while simultaneously respecting and enhancing the environment.
DSN&A is well suited to give you a professional opinion that is backed by years of experience, to help you make decisions like
"Pre" &"Post" Acquisition 'due diligence' property inspections and evaluations
Evaluating the need for improvements, repairs and potential future expansions
Identifying Retrofitting Opportunities
Developing Budgetary Estimates and Cost Benefits Analyses
Cleaning out the bed of a harbor, river, or other area of water by withdrawing mud, weeds, and rubbish
DSN&A is experienced in helping marinas, yacht clubs, communities, and private owners dredge their properties to ensure safe and navigable waters around their facilities.
This includes testing, planning, hydrographic surveying, governmental regulations, and completion of the process.


Çimtaş’s services include design, engineering, supply, fabrication and assembly of field-installed storage tanks for the petroleum and the petrochemical industries.
Çimtaş has a vast experience in installation of storage tanks starting from 1978 with Liquid Storage Tanks. Çimtaş provides installation services for Liquid Storage Tanks, LNG Tanks, Spherical Storage Tanks and Over Size Mounded Storage Tanks.
one of the biggest cylindrical storage tank project entailed the field installation of two LNG Storage Tanks of 140,000 m³ cumulative capacity for Egegaz LNG Terminal located in Aliağa, Izmir, Turkey; and was successfully completed within 18 months. The LNG Storage Tanks were designed by CBI as per API 620 specifications with a total steel weight of 7,000 ton. The inner tank steel material was ASTM A553 Type 1, which required advanced welding technology.
Another standout feature of this project was the lifting operation for the tank roofs. Following its ground assembly, the tank roof, with a single piece weight of 800 ton and a diameter of 80 m, was lifted to its final position, at height over 35 m, by means of compressed air.


Level of adherence to safety measures on construction sites in Abuja, Nigeria
AbstractThe construction industry is known to be one of the most hazardous industries in terms of the activities on the construction site and it has poor safety records. In order to have a comprehensive understanding and gainfully benefit from safety measures on site, the causes of accidents and level of adherence to safety rules needed to be examined. Therefore, this research assessed the level of adherence to safety measures on construction sites in Abuja, Nigeria. A well-structured self-administered questionnaire survey of 140 selected firms was conducted in Abuja. Findings showed that the Personal Protective Equipment (PPE) is the most used safety measure on construction site. Using factor analysis, the causes of accidents were classified into three dimensions namely poor safety planning; poor adherence and worker attitude, while safety measures were grouped into five underlying factors: personal protective equipment; effective enforcement; safety prevention mechanism; safety arrangement and safety culture. The study concluded that there is high adherence level to safety measures by the medium and large construction firms in the study area. It is recommended that construction firms should ensure that operatives comply with the prescribed safety and health measures so as to reduce accident occurrence on construction sites.
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How to Cite
Jimoh, R., Oyewobi, L., Isa, R., & Momoh, A. (2018). Level of adherence to safety measures on construction sites in Abuja, Nigeria. International Science and Technology Journal of Namibia, 003 - 022. Retrieved from http://journals.unam.edu.na/index.php/ISTJN/article/view/1212


Cathay Industries’ range of high-quality, synthetic iron oxide pigments is suitable for a wide range of construction applications SUCH AS colour-tinted concrete to asphalt (i.e. bus lanes), masonry, brick and block manufacture, slabs, paving, grout, mortar, roof, floor and wall tiles.
Cathay has developed tailor-made solutions for most major industrial applications.
Industrial Applications In The Construction Industry
While many of our pigments and products have construction applications – and there’s a full list with descriptions on our Products pages: Inorganic Pigments, Organic Pigments, Our Agencies – two in particular are favourites of the industry:
FERROTINT™ synthetic iron oxide powdered pigments are designed for construction-grade applications, adding vibrant colours to concrete, asphalt, bricks, blocks, paving, grout, mortar, roof, wall and floor tiles. They are UV stable, weather resistant, non-toxic, insoluble in water, have good dispersibility and are alkali and weak acid stable.
CATHAYGRAN™ pigments are quality micro-granulated with a new generation of spray-drying technology. Pigments are practically dust-free, offering optimal flow properties as well as enhanced dispersion capabilities for a better processability. Granules are easy to dose manually or automatically in all kinds of dosing systems. Contact Cathay Industries for more information on these and other products and solutions.
Contact Cathay Industries for more information on these and other products and solutions.


Building for an Era of Climate Change
In mid-January, the Rocky Mountain Institute will cut the ribbon to open its new Innovation Center in Basalt. The 15,610 square-foot office building has already been recognized as one of the world’s most energy-efficient structures, an example of how to construct buildings in an era of climate change.
That example is needed, because as architect/author Edwin Mazria has written, “it’s architects who hold the key to turning down the global thermostat.” Mazria is the founder of Architecture 2030, a movement that calls for all new buildings and building renovations to be carbon-neutral by 2030.
RMI’s Innovation Center shows how those goals can be met. To achieve “carbon neutrality” a building’s net greenhouse gas emissions must equal zero. A “net-zero energy building” is achieved when a structure produces at least as much energy as it uses each year. The Innovation Center’s tests show that it’s on track not only to be a net-zero energy building, but also to be the most efficient building in the coldest climate zone in the U.S.
The Center not only meets the highest standard of the U.S. Green Building Council – LEED Platinum – it also meets Europe’s stringent Passivhaus standards for a thermally tight (unleaky) building envelope. As of August 2010, only 13 U.S. buildings met the Passivhaus standard and only a few dozen others were being built to meet it. The Passive House Institute noted that the Innovation Center was the tightest building they had ever measured!
All of that matters to the Rocky Mountain Institute (RMI) because the organization aims to “transform global energy use to create a clean, prosperous, and secure future” by changing the way energy is produced and used. A nonprofit that has offices in Boulder and near Old Snowmass, RMI works to transform energy use in multiple areas: transportation, manufacturing, community planning, energy production and buildings.
Since 2011, for example, RMI has been working with the U.S. government’s General Services Administration (GSA) on its National Deep Energy Retrofit Program, remodeling federal buildings to move toward the net-zero goal. RMI also helped the owners of the Empire State Building by insulating the historical skyscraper and by replacing 6,514 leaky windows with new “super windows,” cutting energy costs from $11 million to around $6.6 million a year.
Cara Carmichael, an architect/engineer who has served as the project manager for the Innovation Center, says that RMI “wanted to build a replicable, model office building that would perform at net-zero energy consumption. We wanted to be able to say, ‘Yes, at 6,600 feet, it’s possible to eliminate all summer cooling equipment and also significantly downsize the heating system.’”
As Carmichael and RMI’s chief scientist Amory Lovins enter the sandstone and brick-clad building in early December, accompanied by several guests, they gesture to a living-room-sized area on the first floor. That 200-square-foot area is left over from space that would be taken up by the air conditioning system in a conventional building.
The Center’s interior is washed with natural light streaming in from south- and north-facing windows. It’s 22 degrees outside, but the building enfolds visitors with comfortable warmth. Although contractors are still wielding power tools, noise and echoes quickly disappear. The carpeting is new and painting is still being done, but they contribute not a whiff of chemical scent to indoor air quality.
An experienced observer will note the use of beetle-kill pine, recycled materials, acoustical ceilings and a colorful cascade of tropical plants on a living wall, but there’s nothing here that announces itself as uber-modern or conspicuously green. And that’s intentional. “We wanted this to be something anybody could do,” Carmichael says. Although the Innovation Center cost just over $500 per square foot to build, the premium to achieve net-zero energy, compared to a typical LEED Silver building, was only about $57 per square foot. When taking into account the building’s operational energy savings and the value provided to occupants, the simple payback is under five years.
“A net-zero energy office building is entirely possible, and it’s critical,” comments Carmichael. “We need to double-down on the performance of commercial buildings as the climate changes and weather becomes more volatile.” Carmichael, who has been with RMI for ten years and has been working with the GSA’s deep building retrofits, says, “There’s a big conversation going on right now about building resiliency – the ability of buildings to adapt to climate change. Buildings contribute the biggest slice of CO2 to the U.S. energy usage pie. If every building was as efficient as the Innovation Center, we could change that.”
The new Innovation Center will hold RMI’s local staff and will allow RMI to convene global energy and business leaders and to demonstrate how deep-green buildings should be designed, contracted, constructed and occupied.
To do all that, the structure has pushed the building envelope: It has been built with foot-thick SIPs (structurally insulated panels) to hold inside temperatures at comfortable levels. Its south wall is protected by outdoor operable venetian blinds that shield it from summer heat. Motion sensors detect empty rooms and turn off unused lights. On summer nights, windows will open automatically to let in air that will cool the building during warm days. And those windows, in Carmichael’s words, are “the best in the world.”
The Center’s windows are quad-paned sandwiches that contain two layers of glass and two HeatMirror films. The cavities are filled with Krypton gas, which is more insulating than the more-common Argon gas fill. The windows have an R-value of 13.2 (U-value of 0.076), which means that they are about as efficient as a two-by-four-inch wooden stud wall; they’re several times more efficient than a code-compliant window.
To keep people comfortable, most buildings regulate just one thing – interior air temperature. But Carmichael explains that six different factors combine to prompt people to feel hot or cold: clothing, people’s activity levels, air temperature, humidity, air velocity and surface temperatures. The Innovation Center is managed and furnished in ways that deal with several of those factors. Its heat, for example, radiates from multiple surfaces, including electric units in the floors and walls that are thermostatically controlled.
The Center’s upstairs conference room is equipped with Hyper chairs, which are somewhat akin to seats in high-end cars. Each chair is built from a breathable mesh and contains both heating coils and fans that allow its occupants to control their own comfort. The chairs are run by battery packs that hold a charge that will last for three or four days.
RMI anticipates that the Innovation Center’s operating cost will be 70 percent lower than that of a typical office building. RMI anticipates a return of over $3 million over 10-year period, including not only operating costs, but also the value a deep-green building delivers via factors such as increased worker productivity, increased building longevity and reductions in insurance. Carmichael notes that those are “squishy numbers” but that the savings numbers are drawn from a growing body of recognized green building studies.
Rocky Mountain Institute is holding five open houses for the Innovation Center between January 6 and February 25. See RMI.org for details.


May 21, 2021 2:03 pm Facts You Should Know About Slate Roofs
Written by Marty Olivieri – Owner of Olivieri Roofing
The beauty and unique nature of slate roof tiles draw millions of homeowners to use the roofing rock every year on their new home building projects and replacement roofs after a disaster. The beauty is undeniable. If you are thinking about choosing slate for your construction project, here are some facts you should know.
Slate is a long-lasting material and is purported to stay stable for 100 years when installed by a professional team, and some roofs are known to be over 200 years old. There are also many colors to choose from, along with different styles and sizes. For individuals that want to be environmentally friendly, slate is a natural material with an amazingly durable surface that is totally eco-friendly and “green” because it is a natural earth-based product.
If installed properly, slate roof tiles are considered to last for a lifetime. However, harsh weather conditions can damage tiles and cause them to break and leak. Contact a roofing company when the roof requires new tiles. If you see one damaged tile, ask for a complete roof inspection to discover possible weak spots or other cracked tiles. Once a tile allows leakage, check for damaged flashings or underlayment before repairing the surface roof tiles.
Homeowners love the low maintenance required by slate tile roofs. The tiles’ beauty and elegance can be maintained with a power washing once or twice a year. A roofing company should do this to make sure the pressure does not damage any of the older tiles if they are thinning or becoming fragile.
Your nearby roofing company or specialty contractor can help you choose the style of slate tiles to use on your home. Give the local office a call and let their representatives answer any questions you have about slate roof tiles before making your final selection. The durability and reliability of the roofing fabric will keep your home safe for many years to come.
They always complete installation, maintenance or repairs with outstanding quality and care.
Olivieri Roofing is Fully Licensed & Insured.
Contact Marty for a free estimate.
203 – 531 – 1340 (CT)
914 – 422 – 0527 (NY)


Construction Site Security
Thieves and vandals can cause immense delay to construction projects, and especially in London delays of even a few days or weeks can run to many millions of pounds lost. We offer complete, well-planned and carefully staffed site security solutions that will make sure your site is not only protected against intruders, but the safety of the public is maintained as well.
A typical construction site security package might include:
• Site Access Solutions, including Gate House Security
• Secured Visitor and Staff Solutions
• Perimeter and Interior Guard Patrols
• Delivery Security Measures
• Vandalism and Theft Prevention Measures
As construction sites prove such a lure to criminals – the value of the tools, materials and equipment stored on-site can easily number in the millions – a dynamic and professional approach to site security is necessary. That is why we maintain our personnel’s training at the cutting edge, and ensure that each is aware of the unique hazards a construction site can present.
Close Circuit have been providing construction site security for many years and currently have clients all over London including Kensington, Southwark, Hampstead & Islington to name a few.