1

Mass Housing

Case Study

Happinest – Avadi , Chennai

2

` Pan India

Presence

Bengaluru

3

Unit type Size (Sq.Ft.) Number

1 BHK E 396.00 192

1 BHK S 533.00 476

2 BHK S 677.00 592

Total Units 1260

Total BUA Area (Sq.Ft..) 7,30,444.00

4

5

Ground Level

Lime Piles Foundations

Collaboration with IIT M for foundation design

Construction Technology Foundation

6

Transit Mixer Pump Pipeline

Direct Pouring

Foundation

concrete

Lime Layer

Steel Bar

Sequence – Concrete Placing Construction Technology

7

Transit

Mixer

Pump Pipeline

Direct

Pouring

Lime Layer

Foundation

concrete

Steel Bar

Plinth Beam

Grade Slab

Shear Wall

Ground + 3 Blocks

Construction Technology

8

Stilt + 4 Blocks

Transit

Mixer

Pump Pipeline

Direct

Pouring

Lime Layer

Foundation

concrete

Steel Bar

Plinth Beam

Grade Slab

Shear Wall

Column

Stilt Roof Beam

Ch

an

ge

Construction Technology

9

Selected Technology

Hybrid

Technology

Aluminum Formwork

Cellular Lightweight Block

( CLC)

10

Modularity

Prefab Door

Frame , Shutter

Prefab window

assembly+ Shading

device

Prefab Door

frame + shutter

Prefab – Balcony, Staircase

railing

Pre – Fabricated , Ready to fit components

11

Type of ‘water jet cut’

machine to be used

Actual Site Image

Fabrication of Frame at

site- yard

Water jet technology

to make diamond cut

design on cement boards

Fixing “ diamond cut –designed” boards on frame at

yard

Shift to balcony

areas

Fixing with Nut & Bolt Total cycle

time to fix

one

completed

frame = 20

min

Balcony Railings

12

Chajja / Window shading device

Complete nut & bolt

arrangement

Prefabricated at site yard

Weather resistant uPVC sheet fixed on

MS frame

Total time cycle to fix one shading device =

15 minutes

Fixing the assembly over window with

anchor fastener

MS square tube frame

Chajja/ Window shading device

uPVC sheets

13

FRP encased CLC door

frames

Fixing with anchor

fasteners

Time cycle for fixing on one frame = 60 min

50% less costlier than

wooden frame. No

Lintel Beam

Complete frame will be

made in a factory

Wt of 2.7 m ht

frame is 15 kg

w.r.t wooden

frame of 35 kg

FRP encased Cellular Light Weight Concrete ( CLC) Frames

Actual Frame at Show Flat Cut section of frame filled with CLC

Section of frame filled with hinges

Ht 2

.7 m

ete

r

14

FRP Door Shutters

Base : MS Mould

Fiberglass reinforcem

ent

Fibers are placed on

liquid plastic resin

Air Curing for 4 Hrs for final product

Light weight ,

cost effective and easy to install

Glass Fibers

Applied liquid plastic resin

Finished Door shutter Finished Door shutter – various Designs

15

Cellular Light Weight Concrete Blocks for Building Envelope

Hybrid system : RCC in Aluminum

formwork with CLC as building envelope

CLC manufacturing unit at site

Direct control , quality , any size

Overall 20% cost effective than brick,

Cement Sand plaster

External weather shield Putty + Paint

internal putty

No extrnal, internal Cement sand

plaster

Walls and finishing on walls

16

High Volume Fly ash –Concrete (HVFAC) for all Road

network, car park, hard-stand and certain Structures

More durable concrete

Improves compressive strength with time lapse by 15% than design strength

Reduces cement consumption

Environment friendly , less embodied energy

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Water jet cut – Balcony Railings Pre-fabricated Chajjas FRP-CLC Composite door frame

CLC blocks for wall construction

Patent Registered

Registered Patents

Patent Registered

Patent Registered

Separate packages to

fabricators to fabricate the

ready to fit components

Fabricators will make the

components at their premises

and fix them at site

18

A BLOCK

19

C BLOCK

20 H BLOCK

21

F BLOCK

22 1 BHK E

23 2 BHK S

24 1 BHK S

25 LIVING ROOM

26 KITCHEN

27 BEDROOM 1

28 BEDROOM 2

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Block B

30

Block D

31

Block E

32

Block i

33 Block K

34 Block L

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Building Technology Option II

The Way Forward

36

3 D Precast Technology

casting

welded mesh 1st fix MEP conduits window & door M40 RMC

• reduces steel usage

• reduces wastage in

steel

• precise dimensions

• standardization of

design

• reduces labor cost

• no cutting & chasing

• accurate tapping

points

• precise dimensions

• can be ordered

straight from the

drawing

• better prices from

vendors / bulk

wholesale prices

• class ‘A’ finish inside

& outside

• no plastering

• power finished floor,

no screeding

required

• quicker setting time

• better strength

37

Computerized High tensile steel

mould

casting

assembly

cranes transportation mould

• patented

• mechanized

• computerized

• seamless

casting yard

gantry / all terrain

assembly

all terrain / crawler

• prime movers

• low bed trailers

38

casting

assembly

main ingredients mould crane module

module transportation crane superstructure

39

Thank You