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1. INDUSTRIAL TRAINING REPORT
Done by
KIRAN SURESH
Roll No.:1154500010
At
Simplex Infrastructures Ltd.
SIMPLEX HOUSE, 27 SHAKESPEARE SARANI,
KOLKATA-700017
3. Acknowledgement
It is always a pleasure to remind the fine people in the Engineering program for their
sincere guidance I received to uphold my practical as well as theoretical skills in
engineering.
Firstly I would like to thank MR MD RAFIQUE KHWAJA (Director of
JIT) for meticulously planning academic curriculum in such a way that students are not
only academically sound but also industry ready by including such industrial training
patterns.
I express my immense pleasure and deep sense of gratitude to
MR. RAVI RAWAT (HOD CIVIL) for his guidness and others with me and also helped me
in completion of task.
Finally, I would also like to thanks MR Subrata Kundu (Site- In charge)for giving me
this opportunity and guiding me during the course of the training.
4. CONTENTS
Introduction
Details of the Project
Company Profile
Details
Formwork
Diagrams
plans
Plant and machineries
Quality control of site
Site execution
Safety
Material management
Conclusion
5. INTRODUCTION
We have been assigned GODREJ PRAKRITI HOUSING COMPLES III
construction sites for field study by the company.14,78,600sq ft.
residential project located in Godrej PrakritI,Girja More, B.T.
Road,Sodepur, Kolkata-700115 .This is a 39 month project with a
total value of 274 crores.In our phase named GODREJ PRAKRITI,
Phase III
There are 8 number of residential towers being constructed in
this namely K, M, N, O, P, Q, R and G blocks.R, O and N blocks
are of floor area 880 sq. meter each consisting of
(B+G+19)
K, P and Q blocks are of floor area 872 sq. meter each consisting
of (B+G+19)
M block of floor area 731 sq. meter and consists of (B+G+4).
G block of floor area 870 sq. meter and consists of (G+19).
6. DETAILS OF THE PROJECT
ABOUT THE PROJECT:
• .GODREJ PRAKRITI, Phase III
• There are 8 number of residential towers being constructed in this
namely K, M, N, O, P, Q, R and G blocks.
• R, O and N blocks are of floor area 880 sq. meter each consisting
of (B+G+19)
• K, P and Q blocks are of floor area 872 sq. meter each consisting of
(B+G+19)
• M block of floor area 731 sq. meter and consists of (B+G+4).
• G block of floor area 870 sq. meter and
consists of (G+19).
• Number of Flats : 1210
• Type of Contract : Lump Sum Contract
7. COMPANY PROFILE:
Company is an ISO family since 2004.
Introduced cast in situ driven piles in India.
An ISO 9001:2008 approved company certified by Bureau of Indian
Standards.
Employs 8110 people and has Capital Equipment of Rs.1296 Corers
as of FY, 10.
Ranked 7th among “India’s Top 10 Infrastructures Companies” by
Construction
Week.
Recognized by World Confederation of Businesses as “Inspirational
Company
with all its Rights & Privileges” in 2010.
Awarded by International BID Quality Summit, New York the
“International Quality Summit Award in Gold Category” for
achievement in Quality & Excellence in 2009.
Major construction works taken up by company in India and abroad
are Industrial construction, Infrastructures, Power Plants, Fly-overs etc.
Has many office branches in India and abroad.
8. DETAILS OF FIELD STUDY
DETAILS OF STRUCTURE
Work Progress - 7th floor
Floor Area 872 sq.
meter
No. of floors - B+G+19
No. of staircase - 2
No. of lift - 3
Per floor 8 nos. of flat
P Block
10. O BLOCK
Work Progress - 12th floor
Floor Area 880 sq.
meter
No. of floors - B+G+19
No. of staircase - 2
No. of lift – 3 (2 for
general and 1 for
emergency and freight)
Per floor 4 nos. of 2BHK,
2nos. of 2.5 BHK & 4 nos. of
3BHK
12. Formwork
• Purpose:
Shuttering or formwork is the temporary arrangement by
wood/steel/ply to hold concrete in required shape and size
up to certain period for gaining adequate strength of the
concrete. Shuttering mainly costs 25-40% of the total cost of
the project. The Shuttering and Formwork is often similarly
used but there is a little difference in it in terms of materials
to be used. In shuttering generally plywood is used by in the
case of Formwork heavier sections like battens, Waller are
used.
13. Material Used:
Steel plate and channel
Battens (75mm X 100mm and 50mm X 75mm)
Plywood of different thickness(Generally Film Face Ply of 2440mmX1220 mm
cross sections are available)
Soft pine Runner
Hard Wood Runner
MS Wailer
MS Channel
Acrow Span
Vertical adjustable prop
Cup lock System( length- 0.5m to 3.5m available)
H-frame
Clamps
Wing Nut
Base Plate
Sole Plate
Tie Rod
Nail
Binding Wire (18-22 gauge dia. bar used in site)
14. Principal Apparatus Used:
Hammer
Crow-bar
Crane
Plum Bob
Measuring Tape
Right Angle
Rope
PPE to be used:
Head Gear
Safety Shoe
Safety Harness
Hand Gloves
Apron
Goggles
Nose Mask
Life line to be placed in case of working in sufficiently higher level from
ground
Safety nets are to be provided at levels where upper floors are engaged for
work to safeguard any material falling from height and hence protects the worker
working at ground.
15. SOME DIAGRAMS OF FRAME WORK
Fig: Formwork of a Typical
Staircase
Fig: Formwork of a Shear-wall
(Sideview)
16. .
Formwork of a Column(Isometric
view)
: Formwork Junction of two
Shearwall
17. .
Formwork of a column (Plan) Formwork Junction of two Shearwall
20. Cover provided to Reinforcement:
Clear Cover
Beams 25mm
Columns 40mm
Floor/Roof Slab 20mm
Wall 25mm
Pile 50mm
Pile Cap bottom 75mm
Member/Structure 50mm
End of reinforcement bar 25mm or twice the diameter of bar whichever
is grater
26. Est ima t ion of Pil e Ca p(MKD.:-6BP1)
Sl. No.
Description of
Item
Length(m) Width(m) Depth(m)
Estimated
Quantity
Unit
1 Excavation 4.8 3.3 1.1 17.424 m3
_
2 BFS 4.3 2.8
12.04 m2
3 PCC 4.3 2.8 0.075 0.903 m3
4 RCC 3.8 2.3 0.95 8.303 m3
5 Shuttering 3.8 2.3 0.96 11.59 m2
Formulas to Determine Quantities of Various Works for a Pile Cap
1. Excavation = [(a + 2x0.5) x (b + 2x0.5) x (d + 0.15 – 0.25)] m^3
2. Brick Flat Soling (BFS) = [(a + 0.25x2) x (b + 0.25x2)] m2
3. Plain Cement Concrete (PCC) = [(a + 0.25x2) x (b + 0.25x2) x 0.075] m3
4. Reinforced Cement Concrete (RCC) = [a x b x (d – 0.25)] m3
5. Shuttering = [(a + b) x 2 x (d – 0.25)] m2
6. Bar bending schedule (BBS).
27. Bar Bending schedule
A
C
B
Theoretical Bending of a Bar
C= are length, C= (b-B)+(a-A)-2D
D= Diam
b
28. Sl.
No
Bar Mark Size/ Shape
Diameter (mm)
d
No
Length(mm)
(a+2b)
Cutting Length (mm)
(a+2b-2*2d)
Total
Length(m)
Unit Wt.
(kg/m)
Total
Weight(ton)
1 T/T
a=2144
b=300
12 26 2744 2696 70.096 0.8928 0.06258
2 B/T
a=3644
b=300
12 16 4244 4196 67.136 0.8928 0.05994
3 T/B
a=3676
b=1059
16 16 5794 5730 91.68 1.5872 0.14551
4 B/B
a=2176
b=1075
16 26 4326 4262 110.812 1.5872 0.17588
5 Skin Bar a=2200
b=2150
12 6 6500 6452 38.712 0.8928 0.03456
29. PLANT AND MACHINERIES:
Serial No Machineries Company Name Capacity
1 Batching Plant SchwingStetter 30m3/hr
2 Transit Mixture Tata, Ashok Leyland 6m3
3 Concrete Pump Schwing Stetter 50m3/hr
4 Hydra ACE 11tons
5 Backhoe Loader JCB 1m3
6 Bar Cutting Machine Jaymac, Jaypee C-42
7 Bar Bending Machine Jaymac, Jaypee B-42
8 Electric Vibrator -------- 2HP
30. .
Fig: Bar Cutting Machine Fig: Hydra (Acer-Hyno)
31. Capacity of Bar bending machine Bar Bending Machine Transit Mixer receiving concrete
Bucket of batching plant
Scrapper in the Batching
plant
Concrete Batching plant
32. Automated control
machine of Batching Plan
Tower Crane Concrete pouring Bucket
Concrete Pump( receives concrete
from mixer)
Passenger Hoist Winching Machine
33. Quality control at site:
1. Quality Testing of Materials: The materials is mainly cement, fine aggregate, coarse
aggregate, water, admixtures, concrete and reinforcement bars. These materials are tested in
the quality control laboratory by following their test specifications according to their respective
IS Codes.
2. Quality Assurance: The test results of respective materials are obtained and checked whether
they lie within their acceptance limits specified codes. Then they are assured.
1. Cement (IS 4031)
Determination of Normal Consistency.
,, ,, Initial and Final Setting time.
,, ,, Fineness of Cement.
,, ,, Compressive Strength Test.
IS SPECIFICATIONS:
Initial Setting time: Should not be less than 30 minutes.
Final Setting time: < 600 minutes.
Observation: Cement Brand used in Site: Konark
Type of Cement : Portland Slag Cement
Normal Consistency of cement: 36%
34. Water Content(%) Penetration(mm)
30 12
32 10
34 8
36 5
Initial Setting Time: 140 minutes, Final Setting Time: 240 minutes.
Fig - Test Set Up for Initial & Final Setting
Time
Test Set Up for Consistency
35. 2) Coarse Aggregates (IS 2386)
Sieve Analysis of Aggregates(10mm & 20mm).
Aggregates Impact Value.
Water Absorbption Test.
Specific Gravity by Pycnometer.
Pyconometer
36. 3. Sand (IS- 383)
Grading or Sieve Analysis of Sand
Slit and clay content
Sieve Analysis(For fine aggregate
4. Concrete(IS-456)
Compressive Strength test
Workability test
5. Brick
Dimension check of bricks
Compressive Strength Check of bricks
Material:Brick, Cement Sand mortar.
Apparatus: Compressive Strength testing
machine
Avg. Compressive Strength of Sample: 10.41
N/mm^2
37. e: 10.41 N/mm^2
SampleafterFailure(Sand filling is
used)
Sample before Failure
Compressive Strength Testing Machine
6. Steel (IS-1786)
Rolling Margin test of Reinforcement Bar
IS Specification: For 8¤-12¤- ±7%
For12¤-20¤ - ±5%
For above 20¤- ±3%
Reading at Site: For 10mm dia. Bar unit weight=
617gm/m run
Brand name: Rashmi TMT 500+.
38. SITE EXECUTION
Execution is the discipline of planning, organizing, motivating, and
controlling resources to achieve specific goals at construction site as
per the scheduled planning. A project is a temporary endeavour
with a defined beginning and end
Requirements:
Excavator
Rollers for Soil Compaction if any (Smooth Wheeled or
Pneumatic or Sheep-foot)
Shovel, Spade & Bucket,
Auto Level or Total Station if available for knowing RL,
Measuring Staff
Measuring Tape
39. SAFETY
Safety Personal Protective Equipments( PPE ):
In a particular site if personal safety is maintained by every personnel
then the total accident in the site can be controlled. It is just acts like
a pyramid, personal safety is in the base level so if it is controlled
then other accidents can be controlled simultaneously.
40. Sl No. Description Picture
1
Safety Helmets are used to protect
the head from falling materials in
construction site.
2
Safety Shoes which give us
protection on site, it has a steel plate to
its tow and protect our feet up to an
extent when a material sudden fails to
our feet. It is a very important
equipment in PPE.
3
Safety belt & Full body
Harness is very useful in
construction work, it used by labor
when working at heights to reduce
risk of falling particularly when they
are in formwork placing or plastering
of exterior parts.
etc
41. Safety controlling at site
Followings are some of the many precautionary/safety measures that are to be taken at a
construction site –
Water spray on fly ash in order to prevent dust.
Saline water is to be provided to workmen during summer to avoid heat related
illness. Proper rest is taken at intervals.
Personal Protective Equipment (PPE) is provided and worn by construction workers at
site. PPE includes hard hats/helmets, Safety Shoes, Goggles, Masks, Gloves, etc.
Medical and First Aid facilities is there.
When working at heights, workers should wear double lanyard full body harness being
anchored. Safety helmets, fall arrester, etc. are used.
Earth Leakage Circuit Breaker (ELCB) and Residual Current Circuit Breaker (RCCB) are
used in electric installations to avoid electric shock.
Check for connection and body earthing of machineries.
Transporting Vehicles must not exceed the speed limits (usually 15 Km/h max) to avoid
accidents by vehicles. For the same reason, use of mobile phones at site is minimized.
Employees are to remain at a safe distance from all equipment while it is operational.
Inspection of the equipment is done before every use.
Checking Fire Extinguishers.
Hygienic condition of labor hutment.
Checking drinking water test report.
Safety training program is in practice.
Safety Award for safety motivation is conducted.
Daily safety observation and correction is done.
42.
43. Materials Management
Profit Centre
With the process of liberalization and opening up of global economy, there
has been a drastic change in the business environment, resulting in
organization exposed to intense competition in the market place, Indian
organizations have been working out various strategies to face the above
challenges and to cut down operational cost to remain competitive.
Progressive management have since recognized that materials
management can provide opportunities to reduce operating cost and can
be treated as a profit center.
On an average, half the sales income is spent on materials. Suppose a firm
is spending 50% of its volume on materials and the profits are 10% of sales
volume. A 2% reduction in materials cost will boost the profits to 11% of
sales or the profits will be increased by 10%. To achieve the same increase
in profit through sales efforts, a 10% increase in sales volume will be
necessary. In other words, compared to sales volume, material cost has
five times the average on profits. Organizations earn or loose large sums
depending on how effective are their material management
44. CONCLUSION
The training programme helped in gathering the practical work procedure
alongside with furnishing the theoretical knowledge learnt till date. The
programme was scheduled and comprised of five different sections – Safety,
Planning, Billing, Quality Control and Site Execution. The importance of safe
working, adopting safety measures and preparedness for any unknown sudden
accidents at site were explained in the safety department. The work of the
planning engineer and the procedure of a proper planning and scheduling of the
construction work, these knowledge were shared in the planning department.
Billing department enriched us with the financial knowledge, quantification of any
work and their collaboration with the planning department. The purpose of the
quality control department, continuous checking of the materials at the site and
preparation of design mixes were taught. Finally all the gathered knowledge were
practically viewed during site execution of different blocks. Shuttering procedure,
different construction works, machineries and all the safety measures adopted
were clearly explained. Apart from technical knowledge we were grateful enough
for the engineers who shared their work experience with us. There are a lot of
things which cannot be learnt from any books or institution but an exposure to
such a construction site can only provide. Such construction site related essential
terms & knowledge of work will help us throughout our work life