career episode 1 - sample assignment · career episode 1 a) introduction: ce 1.1 my first career...

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Career Episode 1 a) Introduction:

CE 1.1

My first career episode illustrates my project which is entitled as "Hukuntsi, Lehututu,

Lokgwabe, and Tshane Rural Village Water Supply Scheme". The project time period was

from October 2003 to June 2004. The main contractor for this project was Pioneer

Engineering & Consultancy (Pty) Ltd. I worked on this project as a Site Engineer/ Surveyor.

All the project activities were performed in Kgalagadi district in Gaborone.

b) Background:

CE 1.2

The pioneer engineering and consultancy (PTY) Ltd is based in Gaborone, Botswana. It

provides the services in the cleaning equipment as well as service of the equipment’s,

common office services, secretarial services, printing, providers of the internet service,

accounting and audit, construction services, air transport, construction, vehicle services,

logistics, port agent and shipping business activities.

CE 1.3

The main purpose of the project was to upgrade the existing water reticulation system of the

four villages in the Kgalagadi district such as Hukuntsi, Lokgwabe, Lehututu, and Tshane.

The major components of construction work carried out under the contract included the

following:

1. Construction of:

i. 1 x 1600m3 ground tank

ii. 1 x 1000m3 ground tank

iii. 1 x 120m3 elevated tank on 6m stand

iv. 4 x borehole pump stations

v. 160mm diameter uPVC 10km long transmission line between Hukuntsi&Lokgwabe.

vi. 110mm diameter uPVC 10km transmission line between Hukuntsi and Lehututu

villages.

vii. 90mm diameter uPVC main 12km transmission line from Hukuntsi to connect Tshane

village

viii. New 63mm uPVC pipelines for all 4 villages to expand existing reticulation system.

2. Refurbishment of two (2) existing water tanks.

CE 1.4

Being a site engineer and surveyor for this project, I carried out the following duties:


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Ensured that all the survey equipmentare calibrated properly and also in good

conditions.

Performed test for accurately verifying the dumpy level.

Developed the work strategies and plan to assure that work is carried out with limited

disruption to the residents of the village.

Coordinated at various stages of the design of the tank and performed the calculations

for ensuring the sustainable design

Assisted the teammates and supervised the daily site administration work.

Resolved the queries and concerns of the villagers or Village Development Committee

(VDC) members on behalf of the contractor.

Followed the stipulated company Quality Assurance (QA) procedures.

Arranged meetings with the project manager and the project team.

CE 1.5

My project position is defined by the below organizational chart:

c) Personal Engineering Activities:

CE 1.6

First of all, I conducted the field survey in order to analyse the field acquired data and then, I

developed the preparatory survey report. This report contained the area of the project with the

location as well as communication, status of the existing water supply, conditions of the

socio-economic, problems identification with respect to quality, quantity, and source plus

sustainability of the current system in use, strategies for basic planning with the approach

adopted in terms of the period of the design, and proposed components of projects in details. I

prepared the topographic maps by using the total station equipment before preparing the

water supply scheme which comprises of the all census village habitations, current water

sources, the network of the village road with current side drains, built-up structures like

institutions of the human settlements etc. I collected the information of the average long

SITE AGENT

I.I. RUWANPURA

(SITE ENGINEER/SURVEYOR)

SITE FOREMAN X 2




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period rainfall as well as studied and used the Kgalagadi district actual rainfall data forthe last

5 years. Then, I estimated the design population with regards to the factors which govern the

village future growth as well as the development of an area of the project in the urbanization,

industrial, commercial, social, administrative, and educational spheres. I considered the lag

period of 1 to 3 years. I also conducted the geology and hydrology survey of the three

villages. All these factors helped me to calculate the demand of the water for the planned

water supply scheme. Afterward, I developed the project implementation schedule.

CE 1.7

I conducted the dumpy level survey. I performed a test by using the level instruments to

verify the accuracy of the dumpy level. For this test, I selected two points on the ground

about 40meters apart and I set up the dumpy level roughly central between two points and

recorded levels for each point. I then shifted the dumpy level to a different point and took

levels to the same points once again. Then, I deducted the first level from the second for both

points and found largely different values. It means that the dumpy level was not calibrated

and I advised the contracts manager to send the equipment for calibration.After calibration of

the equipment’s, I performed the collimation check test before starting the survey. Afterward,

I developed a list of benchmarks for the project, however, project consultant engineer

couldn't physically locate all benchmarks on the ground because most benchmarks were

hidden in the vegetation grown over the years. However, in order to set out the pipeline, I

relocated all the missing benchmarks. Through a systematic surveying process using two

known benchmarks and a total station, I located all the missing benchmarks. I verified the

benchmarks with the consulting engineer (coordinates and levels) before setting out. Due to

my efforts, ground clearance was started on the scheduled date. Once the site was cleared, I

pointed out pegs along the pipe route. I also showed the consulting engineer areas where

pipeline encroached into private properties.

CE 1.8

Afterward, I designed the 1 x 1600 m3 and 1 x 1000 m3 ground tank in order to meet the fire

and storage demands of the three villages. First of all, I determined the dimensions of the

ground tank. I assumed that its length of the tank is equal to the three times of its breadth i.e.

L = 3B. I designed the long walls for the tank. Firstly, I considered that saturated soil

pressure which acted upon from the outside, as well as it, had no inside water pressure. I

calculated the complete depth of the walls. Then, I determined the extreme bending moment

acts on the long wall base. Afterward, I calculated the required steel area and I provided this

on the four walls outer face. Next, I considered the water pressure induced on it from the

interior and I also considered that no earth pressure acts on it from outside, then, I calculated

the base extreme water pressure. I calculated the extreme bending moment because of the

water pressure acting on the base. In the ground tank, I provided an outlet, inlet, wash-out,and

overflow. I made the floors slope to one point and then, I constructed a sump from where the

outlet was taken. I performed the calculations to determine the sump pump size. I considered

the drain line as 1.5 inches in diameter steel pipe, this was 30 feet long. I included one gate

valve, one check valve, and one elbow. I calculated the dynamic head of the sump pump

discharge and losses from the pipe fittings as well as pipes transitions. From this, I facilitated




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the way cleaning down, and I made it possible for sweeping the floor clean after reducing of

the normal storage towards the outlet level, as well as to disinfect the ground tank.

CE 1.9

I also designed the 1 x 120 m3 elevated tank on 6-meter stand. I constructed the elevated tank

in such a position that was relatively in central to the distribution. Thus, I avoided long as

well consequently largest diameter, and service mains and this had the maximum tendency to

the pumping station. I determined the height of the tank. I provided the piping system in the

elevated tank which was stainless steel. Further, the flange transitioning from the yard piping

to the stainless-steel piping was 12 in. I installed an expansion joint above the riser for

accommodating the extreme differential movement. I connected the riser pipe with the

overflow pipe, also with the lateral pipe, butterfly valve,and gate valve to accommodate the

draining of the tank. I also installed 1½ in. national standard fire hose thread to brass cap on

every drain pipe end.

CE 1.10

As a site engineer,I developed many strategies/plans to ensure that the works were carried out

with limited disruption to the residents of the village. It was important for me to work

methodically to avoid people falling into the trenches, especially the children & animals. I

prepared a work programme for each area for the consulting engineer. I did every possible

effort to achieve the progress without compromising the workmanship. I assured the safety on

the site by following the OSHA standards and used PPEs while conducting the survey. I

instructed the site workers and teammates to work efficiently and to use safety procedures. I

audited the construction site along with the safety officer to make assure that everything is

performing as per safety standards.

CE 1.11

At the peak of the project, we were working on all four villages which were roughly 10 Km

far away. That means that I had to do a lot ofdaily and weekly resource planning. I assisted

the site agent to draw up a schedule for the entire workforce of about 90 people. I also

assisted him with the allocation of plant and machinery to make sure they were adequately

resourced for the work fronts. Furthermore, I make assure that this schedule was not to

contravene the Labour Act regarding workers’ entitlement to rest periods.Furthermore, I

assisted the site agent with day to day site administration work and resolving labor related

issues. Alongside the site agent, I prepared weekly and monthly progress reports for the

project manager and for monthly progress meetings. The monthly progress reports reflected

the progress achieved against target progress. I attended monthly progress meetings and other

planning meetings with other site staff.

CE 1.12

I was responsible for measurement of work done by the subcontractors on monthly basis. I

encountered challenges especially in the measurement of rock excavations. There were




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disagreements between the consulting engineer and the subcontractor regarding rock type &

quantity that was excavated by the subcontractor. This problem was arising due to the more

volume of rock on site as compared to the quantity in the Bill of Quantities (BOQ). To

resolve this dispute, I instructed the subcontractor to expose the rock and got verification on

rock type and the quantity. Rock classification was a grey area. I convinced engineer

regarding the tender price which was based on the rock classification given in SABS 1200

Part D Section 3. I encountered a very consistent hard rock in the Lokgwabe village. I hired

30T excavator but the machine failed to remove rocks efficiently. Therefore, I didn't have any

option other rather blasting the rock. Due to all my efforts, engineers finally agreed to

renegotiate a reasonable rate for us to work on the hard rock. Otherwise, the company would

have lost a lot of money on this item in the BOQ.

CE 1.13

The project had good Safety, Health,and Environment specifications. I make assured that all

the project membersfollow project specifications and other regulations in order to improve

safety on site for both the workers and the community that was affected by the construction

works.

CE 1.14

I was responsible for resolving queries and concerns from villagers or Village Development

Committee (VDC) members on behalf of the contractor. Village heads expected and

requested us to create job opportunities for the villagers in consultation with the site agent. I

had to put workable plans to create extra jobs for village people to garner local support. I

decided all reticulation pipelines in the villages to be excavated using manual labor. I thus

ensured that we didn't lose progress by switching machine excavation to manual labor. I

worked out the number of linear meters of excavations required from one person to keep up

with the progress as well as not make losses on an excavation. We required to strike a

balance. The project had a target of 8m excavation per person per day. That worked very well

because most people finished their tasks well before daybreak. At the end of the

day,Iaccomplished the project progress with reasonable cost and also created more jobs for

villagers.

CE 1.15

I often intervened to resolve work-related conflicts among workers from different villages.

For example, when pipeline reached Lokgwabe, I received a lot of protest from Lokgwabe

residents to see workers from Hukuntsi working in their village. I managed such conflicts and

I took account of such issues during human resources planning. I also attended Kgotla

meetings on behalf of the company. I responded to questions that were raised by the

communities where work was being carried out. The resident engineer was always in

attendance to respond to the question being raised as government project implementing unit.

d) Summary:




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CE 1.16

It was my duty to make sure all stipulated company Quality Assurance (QA) procedures were

followed during construction. I made sure all works were carried out as per the project

specification and/or according to approved amendments. I was responsible for quality

assurance of pipe bedding, blanket compaction, pressure testing, rebar works, concreting and

masonry work. I kept a record of all Quality Control documents such as pressure tests results,

compaction results and concrete cube results and also records of work approvals from the

consulting engineers. At the end of the project, I helped the project manager in the final

account. I also made ensured that all survey equipment was properly calibrated and in good

working condition. Due to my survey work, managed to resolve numerous errors in the

design and avoided the possible time and/or cost claims to the client.

Career Episode 2 a) Introduction:

CE 2.1

The aforementioned career episode is the complete description of my project "Proposed

Department Store and Offices in CBD, Gaborone (SQUARE MART)". I fulfill all my

responsibilities and duties for this project as a Project Structural Engineer. During the I was

working with Abdullah Associates. The main contractor of this project was a joint venture

between Tamlac which is a locally based company and Chinese construction company named

Bohua. The due date for the project execution was Oct 2006 and finally completed in Dec

2008. The project was based in Gaborone Botswana.

b) Background:

CE 2.2

Abdullah Associates is one of the growing industries that provide services related to the

structural and geotechnical engineering and is one of the renowned company in Botswana.

They are focus on providing multi-disciplinary engineering and building solutions to a vast

number of clients. They are certified with ISO 9001: 2008.

CE 2.3

The Square CBD Gaborone is one of their biggest projects. This project entailed the

structural conceptualization, analysis, and design of the following structures:

1. Shopping complex (1600m2).

2. 10-story office building.

3. Filling station.

CE 2.4




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Being a structural engineer, I performed the following duties:

Designed the structure of the shopping complex which consisted of the structural steel

columns with rafter /girder roof system.

Designed the 10 story office building consisted of two wings, the east wing, and west

wing, each with 7 floors of roughly 400m2.

Developed the design of the top two floors joining both wings are about 1400m2 per

floor.

Designed the tower building as reinforced concrete framed structure with RC walls and

lift/stair cores to provide lateral stability.

Designed the floors of this building as one way/two-way slab system supported on

down stand beams.

Liaised with the stakeholders and the vendors while the materials procurement.

Communicated and coordinated with the other project members.

Liaised with the architecture to develop a safe design and ensured the safety of the

environment as well.

CE 2.5

My designation is represented by the below hierarchy:




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CE 2.6

In the pre-design phase, I carried out the multiple construction site analysis to get the

appropriate site for the design of the office building. I conducted the study to evaluate the

current conditions of the proposed site, for instance, I performed the geotechnical survey

along with the geotechnical engineer to know about the soil as well as geotechnical condition

below and above the surface of the project site. For this, the samples of the soil were

collected by the geotechnical engineer and these samples were tested in the laboratory to

calculate the moisture content, to determine the soil type, percolation, expansion, friction,

bearing capacity, etc. then, I studied the reports of the hydrological survey to acknowledge

myself with the pattern of the surface drainage, aquifer and recharge zones, erosion

hazardous areas, etc. All these surveys were considered very before starting the designing

phase. Afterward, I arranged a kick-off meeting with the client and demonstrated the site

survey report. I developed the project team and allocated them their daily tasks. Furthermore,

I explained my teammates briefly about their respective task and instructed them to inform

me immediately if they encountered an issue or obstacle during the tasks performed.

CE 2.7

First of all, I designed an office building. I adopted the lateral load resisting system to design

the building which was a combination of shear wall- frame system. At the conceptual design

stage, I advised the project architect to arrange core concrete shear walls as symmetrically as

PRINCIPAL STRUCTURAL ENGINEER (ANVER

ABDULLA)

STRUCTURAL TECHNICIAN

(THUTHO MBOTHO)

CIVIL

TECHNICIAN

(EARNEST MAPIRWANA)

DRAFTSMEN

(BALE MACHEKE)

I.I. RUWANPURA

(PROJECT STRUCTURAL ENGINEER)




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possible to avoid any twisting or torsion moments occurring due to lateral forces. I modeled

the building as a 3D frame in PROKON analysis software to analyze the effects of wind

loading on the structure in different directions. I found high stresses in the shear wall due to

torsional stresses. Also, I discovered high deflections on the topmost floor compared to code

allowance. This would serious problems to the building stability. Thus, I consulted with the

project team to overcome this problem. Thus, in the model, I decided to change some

brickwork into concrete walls and I also changed some column sizes until I reduced stresses

in the concrete walls to a reasonable level. Finally, I managed to find a structurally workable

solution without compromising too much on the architectural design of the building.

CE 2.8

I calculated the dead loading from design member sizes, finishes applied on the structure, and

I estimated the material densities. I obtained the imposed loading for the design from BS

6399 -1:1996 according to the occupancy and use of the space. After this, I designed the floor

slabs of this building as a conventional slab/beam system. I carried out sub-frame analysis for

floor beams designed. Then, I designed the slabs as one-way slab system due to the geometry

of the building. I designed all structural members as per BS 8110 - part 1997 standards. I

provided 6-inch cylindrical columns of concrete as well as beams on the 16 inches centers all

over the section of the wall. For these areas, I calculated #5 reinforcement bar and provided

them both horizontally and vertically.

I calculated the entire wall height. The wall designed also involved the concrete pilasters of

8-inch on either openings side and also at corners of the rear and front walls. Furthermore, I

provided pilasters of 8-inch on the office non-load-bearing sides. As per the building depth, I

provided five columns on every building sides.

Figure 1 side elevation




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Figure 2 Details of 8-inch. Pilasters

CE 2.9

During the design phase, I also encountered another big challenge due to the big mechanical

perpetrations required through the beams. Due to CBD design regulations, the maximum

height of this building was limited to 33 meter. Therefore, I reduced the floor to floor height

to keep the same number of floors as planned, however, this caused the low floor to floor

height as compared to a typical office building. In a conventional office building usually, +/-

900mm deep service zone is provided in the ceiling void. Due to low clearance between beam

and ceiling in this building mechanical ducts had to pass through down stand beams.

Mechanical ducts cross-section size was around 400 mm x 1100 mm. To find the best

suitable location for mechanical ducts to pass through, I calculated the shear force and

mapped the position of the lever arm along the beam axis.

From this method, I found suitable zones where ducts could pass through without

compromising the integrity of the beam. At certain places, I advised the mechanical engineer

to make the duct shallower and/or wider to fulfill both structural and mechanical

requirements. I found that correct rebar detailing was very important to avoid cracking

around openings. Therefore, I searched on the internet for research papers published on this

topic. I found a very useful research paper published by the department on civil engineering

of the National University of Singapore on the subject. I followed recommendations from the

research paper to develop a special rebar detail around the penetration to avoid re-entrant

corner cracking.

CE 2.10

I encountered another challenge due to the extremely poor founding conditions around the

tower block footprint. The soil was classified as collapsible, therefore, I couldn't build

foundations on this layer. I instructed the contractor to continue excavations until good

founding layer was reached. In some areas contractor excavated was around 4.5- 5.0 m deep

to reach competent material. I decided to use mass concrete fill (10 MPa) under foundations

instead of gravel compaction due to the very tight construction schedule. There was an

additional advantage using the concrete option in terms of quality control compared to gravel

compaction option.




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CE 2.11

Then, I designed the departmental store. This building was 80 m long and 80 m wide and I

constructed it using structural steel portal frames. I placed the portal frames at the 6.67-meter

spacing. For a span, the roof of about 80 m will require very heavy structural steel sections

for the portal frames. Therefore, I advised the architects to introduce some internal columns

to reduce cost on the steel structure. The architect in consultation with us introduced six (6)

internal columns which were utilized by me to support the roof. For the roof design, I

proposed 20-meter span girder which was supported on columns spaced at 20m apart. The

rafters were spaced 6.67m connected to the girder truss on one end and fixed to the perimeter

columns on the other end. I carried out the analysis and design of the steel roof which was

governed by the more onerous loading case between the 1.4DL + 1.6 LL @ load case which

is resultant downward load, the 1.2DL +1.2LL-1.2WL load case (which can either be a

resultant upward or downward load) and/or the 1.0DL -1.4WL load case (which is a resultant

upward load).

CE 2.12

For the worse loading case scenario, I did the steel truss analysis by the method of forces,

graphically or finite element analysis. These methods can only be implemented for statically

indeterminate trusses. I incorporated cross bracing and knee braces into roof structure to

provide lateral stability against wind loading whilst correctly located sag bars were also

provided to prevent buckling of cold-formed purlin sections. The design code, I used for all

structural steel elements was BS 5950. I designed the ground floor slabs to allow maximum

flexibility for future changes to the partition walls. I designed a special brick stiffener detail

to assist stability to long and high partition walls in this building.

CE 2.13

During the project construction phase, I make sure that the drawings and bar bending

schedules were issued to the contractor on time to meet the project deadlines. I supervised the

engineer for both the block and the department store. I was attending to routine inspections

and approving works as a part of construction supervision. I maintained progress records,

material certificates, inspection approvals, compactions, and concrete test results and

attending to Request for Information (RFI) were part of my day to day responsibilities on this

project. I also attended monthly site or progress meetings together with the principal

structural engineer. I was also responsible for managing office detailers and draftsmen of the

company.

CE 2.14

I estimated the whole cost of the project such as the cost of the building construction, worker

cost, material costs, etc. I calculated the cost by RS Means and it was P120 million. I also

developed the technical report of the project which included the project schedule, project

delivery system, cost evaluation, project executive summary, staffing plan, etc. I also




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developed the work break down the structure and mentioned its details in the technical report.

I submitted this report to the client.

CE 2.15

Being a structural engineer, I considered safety as an important factor. Because of a lot of

safety issue on the construction site, I followed the safety standards such as OSHA. I also

attended many safety seminars to learn more about the safety rules and regulations,

preventive techniques, and proper use of PPE. I always used a proactive strategy to reduce

the risks from the site. Further, I provided proper safety equipment such as gloves, helmet,

eye protection, etc. to the site workers and my project team. The proper fences were provided

around the excavation areas and signboards were also provided which indicated the hazards,

and warning signs.

d) Summary:

CE 2.16

I completed the project tasks within the set time period and followed the BS standards to

produce the safe design and to calculate the structural elements dimensions. This project

provides me with the continuous learning platform. My management skills got polished and it

was also fruitful in terms of professional development.

Career Episode 3:

a) Introduction:

CE 3.1

My final career episode is the detail description of my project which is named "Proposed

hotel and offices development in CBD, Gaborone (MASA TOWERS). The entire time period

of the project was from Month/2008 to Month/2011. I completed me every task and duty for

this project as a Project Structural Engineer. The main contractor of the project was ICC

Botswana. It was located in Gaborone Botswana.

b) Background:

CE 3.2

The concept design and detailing of vertical elements (columns and shear walls), as well as

foundations, were done in the sister company in South Africa. From the Gaborone office, the

detailed floor slabs, beams and retaining walls were designed. The main objectives of this




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project were the design of a building which consisted of a double basement and 2 wings, east

wing and west wing. The building had the 8 floors starting from the podium level. The

building was designed as a reinforced concrete framed structure with a ribbed slab system as

a flooring solution.

CE 3.3

As a Project Structural Engineer, I performed the following responsibilities:

Started the construction of the building by performing earthwork.

Designed a sub-surface drainage system and resolved the issues of the seepage

groundwater.

Supervised all the construction work and guided the worker on the construction site.

Designed the retaining wall and performed the calculation for it using the civil

engineering standards.

Arranged monthly meetings with the client and the project team.

Designed the SDS slabs as per the project specifications.

Managed the construction activities and prepared the project documents.

CE 3.4

The below organizational chart shows my position for this project:


PRINCIPAL STRUCTURAL ENGINEER (SYDNEY GUNSTON/STEVEN WOOD)

I.I. RUWANPURA

(PROJECT STRUCTURAL ENGINEER)

STRUCTURAL TECHNICIAN

(MOTHO)




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CE 3.5

There were two structural engineers working on the design including myself. Initially, I

arranged a kick-off meeting with the other structural engineer to understand my

responsibilities and to divide the project tasks equally. Then, I attended an introductory

meeting with the project client and the team to understand the project objectives and

requirement and demand of the client. After this, I studied the BS standards guidelines

manual and used these standards throughout the building design phase. In the project

planning phase, I studied the architectural drawings of the buildings. I developed the 3D

building model in the AutoCAD software. I discussed this model with the client and after his

approval, I started working on the project.

CE 3.6

The construction of this project was started with earthworkwork. The building had a two-

level basement measuring 100m x 100m each and the lower basement was about 8m below

natural ground level. The basement covered the entire site therefore, I planned and executed

the excavations very carefully. In order to keep the excavation stable, the perimeter sides

were cut to a slope as directed by the geotechnical engineer because the existing ground was

soft and collapsible. As a supervising engineer, I ensured that excavation work would not

compromise the safety of construction workers as well as affect the surrounding buildings.

During foundation excavations, I discovered a lot of groundwater seeping into the working

area. This caused a lot of problems to proceed with the foundation works. To overcome this

problem, I designed a sub-surface drainage system. I the contractor to install this system

across the entire basement. I connected the subsoil pipe network to a large sump where the

water was pumped into a stormwater drain outside the building. The subsoil drain system

worked really well. I managed to lower the groundwater table with this system and the

contractor managed to keep excavations free of groundwater.

CE 3.7

In the construction phase of the project, initially, I proposed the precast system for the floor

slabs. I designed and detailed the floor beams to suit precast flooring. However, I found that

the precast floor solution was abandoned due to the site for practical reasons. One challenge

was that the site didn’t have enough storage capacity to store all precast panels required for

the job. The main contractor also refused to share tower cranes with the precast subcontractor

citing that it would negatively interfere with his work progress. I arranged a meeting with the

contractor and the project team and I participated in this planning discussion to resolve this

problem. Finally, I decided to usethe Lite-Deck slab system or SDS system for suspended

floor slabs. It is basically a ribbed slab system. From a construction point of view, there are

some savings benefits derived on formwork, reinforcement and on skilled labor requirements

to install the slab. Due to low self-weight of the slab (i.e. low dead load), there were

significant savings on the column and foundation sizes. Overall,this was the cost saving

solution and it also had some environmental benefits (i.e. lower concrete volume and lesser

material use) using this slab system.




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CE 3.8

I designed the Lite-Deck slab. I designed the slabs as per the correct loads and project

specifications. The design of the Lite-Deck slab was based upon the principles of the

maximum strength which employed the same factors of loads as well as the capacity

reduction factor adopted for the ordinary system of concrete. I calculated the ultimate

uniform design load by using the below formula:

Where, w1 is the slab weight (steel deck +concrete dead load), w3 is the Dead load which is

applied on the slab, exclusive of w1, and LL is the permissible superimposed live load during

service conditions.

I determined the maximum strength of the floor slab by considering every failure mode. I

calculated the slab required length and depth by following the standards. After this, I

designed the steel C-channel from the 18 gauge (0.0516”) of the type G90, and the

galvanized steel as per ASTM A653. I calculated the channels nominal dimensions which

were 1 1/2” flange through 3 ½ inches web with the 3/8 inches thick return lip. I inserted the

channels into the channel cut-outs on the base sections bottom face. For maintaining the base

sections in its place, I fastened the three-inch self-tapping screws with plastic insulation

washers by the base section top face as well as in the stiffener. The below figures defines the

total live load and dead load calculated value and reinforcement details.




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CE 3.9

I also designed the retaining walls according to the contractor’s construction sequencing and

planning. I cast alternative 5 m stretches of the retaining wall in order to keep earth stable

during the retaining wall construction and calculated the lateral earth pressure using the

Rankine earth pressure theory. I also determined the foundation bearing capacity. I calculated

the bearing capacity by considering the simultaneous effect of the horizontal loads applied on

the foundation due to soil pressure (such as through applying factors of the load inclination),

and by using the effective reduced, foundation width from the eccentricity of the subsequent

vertical load. I neglected the passive resistance of the soil while calculating the bearing

capacity and the load inclination factors.

CE 3.10




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One of the issues that I faced was related to the reinforced column. I have found that 3

number of 2 floors reinforced concrete columns failed to meet the required strength as per the

specification. Therefore, it was very important to strengthen the columns for increasing the

axial and shear capacities. I studied different methods and considering the high stiffness to

weight ratio and strength to weight, I found that carbon fiber would be a more attractive

solution. Also, it provides a huge deformation capacity and resistance to corrosion against

environmental degradation. We have done carbon fiberreinforced polymer for strengthening

those 3 columns. For further enhancing the load carrying capacity on the concrete cover, I

proposed adding the lamina strips in the pre-cut grooves of the column. This solution was

implemented and better results were found.

CE 3.11

During construction, I personally supervised all construction work to ensure that the

contractor complied with our drawings in terms of the structural member sizes and the

material grades specified as well as the various other specifications.During construction, I

ensured that the contractor implemented quality control measures such as the testing of

concrete cubes and bricks, among other materials. The idea was to ensure that the contractor

conforms to our specifications at all times.

CE 3.12

I arranged monthly basis site meetings. The attendees to these meetings were the design team

(i.e. architect, quantity surveyor, project manager, civil engineer, electrical and mechanical

engineers) as well as the architect. The objective of these meetings was to communicate and

resolve design and construction items which may have impeded the smooth flow of

construction operations. In these meetings, I issued the site instructions to the contractor, in

writing, to effect any outstanding design issues which required urgent attention. In this way, I

was able to execute my part as the project structural engineer and thus, also assured the on-

time completion of the project.

CE 3.13

I was assigned for managing office detailers and draftsmen in the company. I make sure that

drawings and bar bending schedules were issued to the contractor timely to meet the

deadlines. I was involved with the construction supervision of the building. I attended routine

inspections and approved works as a part of the construction supervision. I dutifully

maintained progress records, inspection approvals, compactions, and concrete test results and

attended to Request for Information (RFI) meetings as part of my operational responsibilities

on this project. I also attended and contributed to the project monthly site meetings and

progress meetings.

d) Summary:

CE 3.14




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There were a lot of document flows (i.e. design, calculations,and drawings) back and forth

between our office and the slab designer. I managed this process effectively. I maintained all

the project document register. The register showed the status of a drawing at any given time.

It showed drawings received for approval, drawings approved and drawings reviewed and

commented, and drawings pending approval. I managed all of my tasks by showing

accountability and responsibly. I delivered the project on time and satisfied the client

requirements.

PROFESSIONAL ENGINEER

Summary Statement

Competency Element A brief summary of how you

have applied the element

Paragraph in the

career episode(s)

where the element is

addressed

PE1 KNOWLEDGE AND SKILL BASE

PE1.1 Comprehensive, theory-

based understanding of the

underpinning natural and

physical sciences and the

engineering fundamentals

applicable to the engineering

discipline

Utilizing my civil engineering

knowledge, I well performed my

duties related to site supervision and

design activities.

CE 1.6, CE 1.7, CE

1.8, CE 1.9, CE 2.6,

CE 2.7, CE 2.8, CE

2.9, CE 2.10, CE 2.11,

CE 2.12, CE 3.6, CE

3.7, CE 3.8, CE 3.9

PE1.2 Conceptual understanding

of the mathematics, numerical

analysis, statistics and computer

and information sciences which

underpin the engineering

discipline

I performed numerous calculations,

estimations, tabulations etc. to

support my work

CE 1.6, CE 1.8, CE

2.6, CE 2.8, CE 2.9,

CE 3.8, CE 3.9

PE1.3 In-depth understanding of

specialist bodies of knowledge

within the engineering discipline

I used different software to complete

my tasks such as; PROKON analysis

software, AutoCAD and MS Software

CE 2.7, CE 3.5

PE1.4 Discernment of

knowledge development and

research directions within the

engineering discipline

I sought technical advice from my

senior colleagues during design

review proposal. I improved my

Engineering knowledge by browsing

the latest engineering advancements

on the internet

CE 2.6

PE1.5 Knowledge of contextual

factors impacting the engineering

discipline

I followed international standards

that helped me in maintaining of the

quality of the design

CE 1.10, CE 2.8, CE 2.15,

CE 3.5




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PE1.6 Understanding of the

scope, principles, norms,

accountabilities, and bounds of

contemporary engineering

practice in the specific discipline

My design were composed of

modern and latest technologies that

were relevant to my filed. Moreover

following the engineering practice, I

fulfilled my core technical activities

I followed the safety principles and

rules so the project guaranteed

safety for everyone.

CE 1.6, CE 1.7, CE 1.8, CE

1.9, CE 2.6, CE 2.7, CE

2.8, CE 2.9, CE 2.10, CE

2.11, CE 2.12, CE 3.6, CE

3.7, CE 3.8, CE 3.9

CE 1.10, CE 1.13, CE

2.15, CE 3.6

PE2 ENGINEERING APPLICATION ABILITY

PE2.1 Application of established

engineering methods to complex

engineering problem solving

I tackled many problems during this

project. I brainstormed over it and

suggested suitable suggestions to

rectify them

CE 1.12, CE 2.7, CE

3.10

PE2.2 Fluent application of

engineering techniques, tools,and

resources

For completing various activities, I

used different software

CE 2.7, CE 3.5

PE2.3 Application of systematic

engineering synthesis and design

processes

I adopted the systematic approach

while completing my tasks

CE 1.6, CE 1.7, CE 1.8, CE

1.9, CE 2.6, CE 2.7, CE

2.8, CE 2.9, CE 2.10, CE

2.11, CE 2.12, CE 3.6, CE

3.7, CE 3.8, CE 3.9




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PE2.4 Application of systematic

approaches to the conduct and

management of engineering

projects

I worked in coordination with the

team and other associated persons

I successfully reduced the cost of the

lift up by conducting researches and

by performing cost analysis

CE 1.10, CE 1.11, CE 2.6,

CE 2.7, CE 3.13

CE 1.14, CE 2.11, CE

2.14, CE 3.7

PE3 PROFESSIONAL AND PERSONAL ATTRIBUTES

PE3.1 Ethical conduct and

professional accountability

I assured that the design was

implemented in accordance with the

international standards

I performed risk assessment test to

ensure the safety maintain during

each phase of the projects

CE 1.10, CE 2.8, CE 2.15,

CE 3.5

CE 1.13, CE 2.15, CE 3.6

PE3.2 Effective oral and written

communication in professional

and lay domains

I attended a number of meetings

with management, engineering

teams, and clients

CE 1.11, CE 1.15, CE

2.6, CE 2.13, CE 3.5,

CE 3.7, CE 3.12, CE

3.13

PE3.3 Creative innovative and

proactive demeanor

I improved my engineering

knwoledge through study and by

taking guidence from senior persons

CE 2.6

PE3.4 Professional use and

management of information

I was also involved in the

documentation procedures

CE 1.6, CE 1.11, CE 2.6,

CE 2.14, CE 3.14




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PE3.5 Orderly management of

self, and professional conduct

I planned, designed, and developed

the project methodologythis helped

me in completing my work on time

CE 1.14, CE 1.15, CE 2.6,

CE 3.5, CE 3.11

PE3.6 Effective team

membership and team leadership

Team coordination was one of the

element which resulted in a

successful outcome therefore, I paid

attention to it and showed my high

collaboration with the persons

involved in the project

CE 1.10, CE 1.11, CE 2.6,

CE 2.7

CONTINUING PROFESSIONAL DEVELOPMENT STATEMENT

TITLE DATE DURATION VENUE

FIDIC Conditions of Contracts 17th – 18th May 2012

2 Days Association of Consulting Engineers Botswana

Post Tension Design in Building & Construction

6th – 9th Nov. 2018

3 Days Protea Hotel by Marriott- O R Tambo Airport

Attending BIH project meetings Every other Tuesday from Dec. 2014 to Present

3 hours per day

Botswana Innovation Hub- Block 10, Gaborone.

The Latest Tekla Software Developments for Concrete”

4th – 6th Sept. 2018

3 Hours Webinar

Tekla Structural Designer Software 25th Jan. 2018 1 Hour Webinar

Cost and Carbon for Concrete Buildings" 14th May 2018 1 Hour Webinar

Topology Optimization Using ANSYS Workbench Mechanical

26th Apr. 2018 1 Hour Webinar




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Smooth Building Design through Advanced Interoperability

9th May 2018 1 Hour Webinar

Simulate Moving Parts Faster & Easier with Overset Mesh

16th May 2018 1 Hour Webinar

Cost and Carbon for Concrete Buildings 4th May 2018 1 Hour Webinar

Designing a basement" 23rd April 2018 1 Hour Webinar

Achieving cast in-situ visual concrete 9th Apr 2018 1 Hour Webinar

Planning a basement 19th Mar 2018 1 Hour Webinar

Power-Pad- Worked Example 8th Mar 2018

1 Hour Webinar

Introduction To Tekla Structural Designer: Integrated Model Based Design with Analysis for Faster Project Delivery

7th Feb 2018 1 Hour Webinar

Designing for material efficiency (doing more with less

15th Jan 2018 1 Hour Webinar

Build for Speed webinar 4th Dec 2017 1 Hour Webinar

Specifying Sustainable Concrete 31st Oct 2016 1 Hour Webinar



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career episode 1 - sample assignment · career episode 1 a) introduction: ce 1.1 my first career...

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