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May 24, 2011
WELCOME to the
Presentation on
Prepared by
Dr. Toufiq M. SerajEngineer-Planner
Managing Director, Sheltech (Pvt.) Ltd.
Guest Lecture for Course CE- 401
at Department of Civil Engineering (Seminar Room)
BUET, Dhaka
May 24, 2011
May 24, 2011
May 24, 2011
CEO
Site Engineer Site Engineer
1 n2 . . . . . . . . .
May 24, 2011
After getting detailed drawing of a Project from Design Section, it is
submitted to the Construction Department to undertake the
construction activities.
From the very beginning to completion of the project, the whole
procedure needs to be managed properly to maintain the quality of
works and to finish the project efficiently and timely.
Construction Department is responsible to supervise each and
every stages of construction activities.
GENERAL PROCEDURE TO START CONSTRUCTION IN
REAL ESTATE
May 24, 2011
Arrangement of sufficient skilled Manpower according to project size.
Preparation of Construction schedule.
Quality control of construction works following the standards and
procedures.
Monitoring work progress periodically.
Ensure Safety & Security at Construction Site(s).
Management of contractors and workers to achieve targets.
Provide training periodically/ regularly to all project-in-charge and newly
recruited engineers.
STAGES OF CONSTRUCTION MANAGEMENT
May 24, 2011
May 24, 2011
Divisional Head
For 5 to 15 apartments For 16 to 25 apartments
Site Engineer
Assistant Site Engineer
M.M.O/ R.H.O. Curing Man
Divisional Head
Project Engineer
Site Engineer
R.H.O./ M.M.O Curing Man
M.M.O. - Mixing Machine OperatorR.H.O. - Rope Hoist Operator
TYPICAL SHELTECH ORGANOGRAM OF CONSTRUCTION
MANAGEMENT
May 24, 2011
For 26 to 40 apartments
Divisional Head
Dy. Executive Engineer/ Project Engineer
Site Engineer/ Sr. A. S. E/ A.S.E
Curing Man
Site Engineer/ Sr. A. S. E/ A.S.E
M.M.O./ T.H.O/R.H.O
M.M.O./ T.H.O/R.H.O
M.M.O. : Mixing Machine Operator T.H.O.: Tower Hoist OperatorR.H.O. : Rope Hoist Operator
TYPICAL SHELTECH ORGANOGRAM OF CONSTRUCTION
MANAGEMENT
May 24, 2011
Divisional Head
Assistant Chief Engineer/ Executive Engineer
Project Engineer/ Site Engineer
ASE/ Sr. ASE
Project Engineer/ Site Engineer
ASE/ Sr. ASEASE/ Sr. ASE
ElectricianCuring ManT.H.O/R.H.O.T.H.O/R.H.O.M.M.O/T.H.O/R.H.O.M.M.O/T.H.O/R.H.O.
For 41 to 70 apartments
M.M.O :Mixing Machine Operator T.H.O.: Tower Hoist OperatorR.H.O. :Rope Hoist Operator
TYPICAL SHELTECH ORGANOGRAM OF CONSTRUCTION
MANAGEMENT
May 24, 2011
Divisional Head
Assistant Chief Engineer/ Executive Engineer
Project Engineer Project Engineer
Site Engr./ Sr. ASE
ElectricianT.H.O/R.H.OT.H.O/R.H.OT.H.O/R.H.OM.M.O/
T.H.O/R.H.OM.M.O/
T.H.O/R.H.O
For 71 to 100 apartments
Site Engr./ Sr. ASE
Site Engr./ Sr. ASE
Site Engr./ Sr. ASE/ ASE
Site Engr./ Sr. ASE/ASE
Site Engr./ Sr. ASE
M.M.O/ T.H.O/R.H.O
MMO :Mixing Machine Operator T.H.O. : Tower Hoist OperatorR.H.O. :Rope Hoist Operator
TYPICAL SHELTECH ORGANOGRAM OF CONSTRUCTION
MANAGEMENT
May 24, 2011
May 24, 2011
Depends on size of the Project, availability of Manpower and so
on. For an example:
Project Name : SHELTECH AFZAL NEER
No. of Units : 20
No. of Stories : 11 (B+G+10)
Area : 33270 Sq. ft.
PREPARATION OF CONSTRUCTION SCHEDULE
May 24, 2011
May 24, 2011
May 24, 2011
May 24, 2011
1. Footing Checklist.
2. Column Checklist.
3. Slab Checklist.
4. Beam Checklist.
5. Stair Checklist.
6. UGWR (Under Ground Water Reservoir) Checklist.
7. OHWT (Over Head Water Tank) Checklist
8. Lift Machine Room Checklist
9. Lift Core Checklist
10. Retaining Wall/ Shear Wall Checklist
11. Pile Cap Checklist
12. Pile Checklist
STRUCTURAL CHECKLIST
May 24, 2011
SAMPLE CHECKLIST
May 24, 2011
1. Brickwork, Lintel & False slab
2. Inside plaster
3. Outside plaster
4. Door frame
5. Window grill
6. Wall tile
7. Floor tile
8. Aluminum work in window
9. Door shutter
10. Painting work
11. Other works
CHECK LIST OF FINISHING WORKS
May 24, 2011
1. Groove cutting
2. G.I. Wiring
3. Vertical pipes
4. Horizontal pipes
5. Sanitary fitting & fixture
6. Drainage system (Inspection pit, sewer pipe, connection)
7. UGWR (pump, piping & connection)
8. OHWT (piping & connection)
9. Rain water pipes & disposal
CHECK LIST OF PLUMBING & SANITARY WORKS
May 24, 2011
1. Groove cutting & Conduit laying
2. Wiring
3. Position of switch & socket
4. Patch up works
5. Sub station
6. Lift
7. Other Works
CHECK LIST FOR STATUS OF ELECTRICAL WORKS
May 24, 2011
May 24, 2011
AVAILABLE STANDARDS:
1. Bangladesh National Building Code (BNBC), 1993
2. Dhaka Metropolitan Building Construction Rules, 2008
May 24, 2011
CONCRETE MIX RATIO
May 24, 2011
Corner reinforcement:
Corner reinforcement for beam supported 2-way slabs
May 24, 2011
REINFORCING DETAILS FOR SLAB OPENINGS
May 24, 2011
RECOMMENDED END HOOKS
May 24, 2011
END HOOK OF STIRRUPS
End Hooks of Stirrups are
located alternately at top
corner bar of section
May 24, 2011
TIE SPACING OF COLUMN AT JOINTS FOR EARTHQUAKE
LOADING
**At least 3 (three) Nos. Ties
must be continued through
Beam-Column joint.
May 24, 2011
STIRRUP SPACING OF BEAMS AT JOINTS FOR
EARTHQUAKE LOADING
May 24, 2011
Some pictures from construction site
representing good construction
works……
May 24, 2011
GOOD CONSTRUCTION PRACTICES
Column ties (End hooks 3” long)
May 24, 2011
U separator in wall bars
Lift core column bar & ties
GOOD CONSTRUCTION PRACTICES
May 24, 2011
Beam bar placement through the column bars avoiding congestion
End hook of beam stirrups
GOOD CONSTRUCTION PRACTICES
May 24, 2011
Beam bar placement through the column bars avoiding congestion
GOOD CONSTRUCTION PRACTICES
May 24, 2011
Block with proper size and adequately cured
GOOD CONSTRUCTION PRACTICES
Adequate number of struts to support column shutter
May 24, 2011
May 24, 2011
Task SubTask Sub-Sub Task Percentage
Structural= 45%
Foundation=
Isolated Footing=
E/C = 1.35%
Footing = 3.15%
Short column = 1.35%
Grade Beam+WR
a) Shuttering+ Rebar binding = 1.35%
b) Casting = 1.80%
Piled Foundation=
Piling = 3.15%
Pile Cap = 2.25%
Short column = 0.45%
Grade Beam+WR =
a) Shuttering+ Rebar binding = 1.80%
b) Casting = 1.35%
Mat=
Earth cutting = 1.80%
CC Work = 0.45%
Rebar binding for Mat+ RW = 3.60%
Casting for Mat+ RW = 3.15%
May 24, 2011
Foundation=
Piled Mat=
Piling = 3.15%
Earth cutting = 1.80%
CC Work = 0.45%
Rebar binding (Cap+ Mat) = 2.25%
Casting (Cap+ Mat) = 1.35%
Super Structure=
Column= 9.00%
Rebar binding = 3.6%
Form Work = 3.60%
Casting = 1.80%
Beam & Slab= 27%
Form Work = 9%
Rebar binding = 9%
Casting = 9%
Civil Work= 12%
Brickwork= 6.60%
Upto 2.5' height = 1.80%
Upto 7' height = 1.56%
Lintel, False slab = 1.20%
Upper portion = 1.20%
Duct casting+ B/W = 0.24%
Grill fitting = 0.36%
D.F fitting = 0.24%
Plaster= 5.40%
Ceiling = 1.20%
Wall = 2.40%
Outside = 1.80%
May 24, 2011
Electrical work= 9.5%
Pipe laying+Pipe fitting+ Groove
cutting =1.91%
SDB+ Mk box fitting = 1.42%
Internal wiring = 3.31%
SDB to MDB wiring = 0.95%
Switch socket fitting = 0.48%
Common space+ Granding etc.
G. Floor =0.48%
Sub-station + Generator setting
commission =0.95%
Plumbing work= 8.50%
Groove cutting = 1.28%
Vertical Piping = 1.70%
Wiring = 2.12%
Testing = 0.42%
Roof top work = 0.42%
Ground floor work = 1.70%
fixture fitting = 0.86%
Finishing Work= 25%
Tiles work 10%
a) Wall = 3.75%
b) Floor (Toilet+ Kitchen) = 2.50%
General floor = 3.75%
Paint Work (Inside) 4%
a) Upto sealer = 1.18%
b) Putty = 0.94%
c) 1st coat = 0.70%
d) Chit putty & 2nd coat = 1.18%
May 24, 2011
Paint Work (Out side) 3%
a) Upto sealer = 1.25%
b) Putty (if instructed) =
c) 1st coat = 0.50%
d) Chit putty & 2nd coat = 1.25%
Enamel Paint 1%
a) 1st coat = 0.46%
b) 2nd coat = 0.27%
c)3rd coat = 0.27%
Polish 1%
a) Primary coat ( Astor) = 0.13%
b) Upto 2nd coat polish = 0.38%
c) Upto 6th coat polish = 0.38%
Glazing = 0.13%
Door shutter fitting &
finishing 1.50%
a) Door making = 0.75%
b) Fitting = 0.45%
c) Accessories fitting = 0.30%
Aluminium Work 3%
a) Framing = 2%
b) Glass fitting = 1%
Others 1.50%
Lift+ Utility+ L.C.+ Gardening+ F.F. = 1.50%
TOTAL = 100%
May 24, 2011
May 24, 2011
Particulars Sl. No. Items for check
General
1 No. of Entrance
2 Guard post in Entrance
3
Stick, whistle, Torch light, Helmet, Umbrella, First aid
box, Movement register, Material In/Out register, Labor
register at Guard Post
4 Ground floor cleaning
5 Rubbish Dumping place cleaning
6 Temporary electrical wiring with Double insulated wire
7 Use of Socket & Plug for Electrical connection
8 Check Fencing at Boundary area
9 Fencing side lighting system
10 Safety signs
Piling1 Proper lateral protection for Rig.
2 Pile mud removal
Foundation
1 Earth protection for sliding (If req.)
2 Safe walkway for movement
3 Safety Barrier at earth excavation side.
GENERAL SAFETY CHECKLIST
May 24, 2011
Particulars Sl. No. Items for check
After 1st
slab
1 Shade at entry
2 Ground floor lighting system
3 Safety barrier at open slab (outside).
After 2nd
slab &
onwards
1 Use of safety Barrier in stair, Lift door, Voids.
2 Use of safety barrier at every opening.
3 Floor cleaning
4 Stair, lobby lighting system
5
Canopy & Safety net
i) 9 to 13 floor=canopy at 2 levels ii) 14 to 19
floor=canopy at 3 levels iii) 20 to 25 floor=canopy at 4
levels
For Workers
1 Proper use of Safety Belt in working place.
2 Use of safety helmet
3 Wears safety uniform ( Pant, Gumboot )
4 Use of Safety Glass, Gloves during welding
For Project
Staff
1 Use of Helmet at working place.
2 Use of Safety Shoe.
GENERAL SAFETY CHECKLIST
May 24, 2011
Sl. No. Items for check
1Use of 1/2" or 3/4" flexible pipe for single core temporary electrical
connection.
2 Uninsulated cable dressed by proper taping .
3Use of double insulated (like 40/.076) flexible cable for Grinding
machine, Tiles cutter, Rod cutter & other machine
4Use of Socket & Plug for Electrical connection (direct connection will not
be allowed)
5Use of ceramic plug (3 pin) and circuit breaker or cut out fuse for high
power machine (like welding machine, Roof hoist).
6 Use of proper rating socket (like 5A, 10A, 15A, 20A)
7 Use of wooden board at each floor for any temporary power supply.
8 Use of one DP/SP circuit breaker at each board.
9 Electrical safety ensured by safety in charge in the morning
ELECTRICAL SAFETY CHECKLIST
May 24, 2011
CORPORATE OFFICE PERSONNEL FEEDBACK
TopicsEvaluation
Yes No N/A
1 Were you given a safety helmet?
2 Is the site clean?
3 Is the entry to the site clean?
4Did you notice any personnel
without helmet in the project?
5Did you notice any missing safety
barriers?
6 Was the Safety check list filled up?
7
Do you think a client can move
around the site safely and
comfortably?
8Is the fire extinguisher/sand buckets
in the proper place?
May 24, 2011
TopicsEvaluation
CommentsYes No N/A
1 Was the site clean?
2Was your visited apartment
clean?
3Were you comfortable
walking around?
4Were you given a safety
helmet?
5
Did the Project personnel
give sufficient attention to
you?
6Was your site visit
enjoyable?
CLIENTS FEEDBACK
May 24, 2011
Necessary training facilities should be provided to make
employees more efficient.
It ultimately increases the quality of construction works.
Training facilities may be given to:
All project-in-charges
Newly recruited engineers
Labors
TRAINING FACILITIES
May 24, 2011