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