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Concept design of proposed retail restaurant

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Concept design of proposed retail restaurant

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12th June 2014, Sunny.

Today, we made our first visit to the site at Matilda Street. Dave gave us some briefing before we start to walk around to observe the surrounding environment and structure of the building. We are given a measuring tape and laser distance measurer to measure the size of the site and also the height of each floor. observations are jot down for further analysis.

The building is in a rectangular shape with unplastered cement and sand brick wall. Obviously the external wall was not under maintenance. We can see that there are cracks on the wall and the cement mortar corroded leaving a small cavity behind. This might be caused by sulphate attack towards the cement mortar. Sources of sulphate can be from rain water or existing sulphate present in bricks. The long and continuous cracks can be due to settlement. Therefore, proper soil investigation shall be made to prevent collapse and damage to the building.There is also some graffiti left behind.

This external staircase was not a covered access and therefore long term exposure to weather causes some weathering effects to the timber such as checking, warping, spliltting and swelling. With the presence of water, oxygen and sunlight, algae and fungi spread all over the timber. This can largely reduce the strength of the staircase. The timber shall be retreated or rebuild for safe usage. All the staircase in the building has the same problem. Staircase from first floor to second floor are also finish with carpet. However, some of the tread and riser lost the carpet protection as the carpet torn off.

There is long continuous cracks appearing on the wall in some parts of the building, notwithstanding ground floor, first floor or second floor. Cracks can be caused by various factors such as cold weather, structural problem, too much weight and moisture. Therefore, remedies shall be done to the wall to recover the defects. In UK, the weather is cold especially during the winter season. The building material will expand and shrinks depending on the situation. Therefore, cracks will likely to be formed due to this reason. Bad foundation or settlement can also be a major factors to this defects formed.

The ceiling board was fallen off in a very big patch. The timber stud and support to the roof was clearly shown and no repair works had been done to the ceiling. There are also some electrical cable visible.

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12th June 2014, Sunny. Today, we made our first visit to the site at Matilda Street. Dave gave us some briefing before we start to walk around to observe the surrounding environment and structure of the building. We are given a measuring tape and laser distance measurer to measure the size of the site and also the height of each floor.

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Grasses grow within the bricks.

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Internal rate of return for chosen development

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Internal rate of return for chosen development

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The internal rate of return for retail is 11.5881%.

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Cash flow of three proposed developments

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Cash flow of three proposed developments

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Payback period and annual average percentage rate of return is calculated for the 3 proposed developments. The best result is retail which is 7.7 years and 6.52% respectively.

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cities policies can be found for every category in Sheffield City Council website including planning permission

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The conservation area, policies and core strategy used cn be obtained here.

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The rainwater down pipe is still in a good condition. However, the bracket holding the pipe is broken.

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Carpet is used for staircase finishes. However, as we can see from the picture below, the carpet was not under proper maintenance. Some steps has damaged carpet or no carpet on certain steps.

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There are a few opening form on the slab on the first floor slab. The opening is big and dangerous. Accidents can occur if the opening was not noticed.

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Other than cracking on the external wall, the internal wall also has the cracking along the wall in a diagonal direction. I suggest that soil investigation to be done again before another development begins to ensure the safety of the building and the future occupants.

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There is racks and chairs left behind in the storage place. The floor was full of sand and the environment is dusty. It is clearly shown that this space was left unused for some period of time.

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Before the building was being transform into a storage place, it was a laboratory as mentioned earlier. However, the lab equipment was not being fully removed. There are still some machineries or equipment available inside of the building.

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Roof opening is avaible in few of the classrooms. The opening comprises of a glass cover and a grill. However, the concrete frame around the opening is not in good condition.

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second floor-WC algae and fungi inside lamp

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second floor-WC algae and fungi inside lamp

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This lamp is located inside the washroom. However, there is mould growing all over the ceiling board. We also observed some tracks of mould inside of the lamp. From all these observations, the humidity and moisture in the building is fairly high. The current condition of the building is suitable for the growth of the mould.

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second floor with torn off wall and fire detector

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second floor with torn off wall and fire detector

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The fluorescent lamp is still working well. However, the ceiling board beside the lamp had been fallen off. It is dangerous since we do not know how strong is the support to the lamp. There is chances that the lamp may fall off. There is also a fire detector next to the lamp.

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Second floor of the building is equipped with 7-partition wall classroom, washroom for male and female each and a pantry. From our observation, this level is believed to be left unused for certain period of time. The wall has large portion of the concrete falling off. This might be due to friction while removing the facilities out from the classroom.

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The PVC flooring has a lot of scratches on them and some parts of the flooring is broken and torn off. This could be due to abrasion and heavy usage previously. However, it is left unused now.

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There is also an open space behind the cafe left open for parking. The other building on the left are left unused and is believed to be abandoned.

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There is also a pile of rubbish left behind at site. The site environment is quite messy and require clearance work to be done.

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Condition of the external timber staircase

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Condition of the external timber staircase

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As we can see in the photo below, the timber deteriote over time. The aging process and exposure to weather and water penetration causes defects to the timber. the timber spilt partly due to shrinkage of timber in the process of wetting and drying after rain.

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Clear algae appear on the external staircase.

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Abandoned heating pipe outside of the building. The pipe are broken and no longer in use. it was left by the previous laboratory. The broken part of the pipe is exposed to weather and humid. The duct wrap can be clearly seen.

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External staircase leading to the first and second floor of building. The staircase are made of timber and deteriorated

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Bushes growing out from within the cracks of wall and causes loss of strength to the wall.

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Cracking & Sulphate attack to cement mortar

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Cracking & Sulphate attack to cement mortar

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This could be likely the impact of sulphate attack to the brickwall causes mortar to expand and crumble.

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External fencing on site facing outside road. Basic steel plate fencing with an additional security protection using barbed razor wire to prevent trespassing.

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Front and elevation view of building on site

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Front and elevation view of building on site

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12th June 2014. First day of site visit at Matilda Street site together . This site is originally a laboratory but is now used as a storage place by Sheffield Hallam University. The building has been transform into a storage place without any refurbishment for at least 6 years.