Eco friendly

building materials

Conference on Green Homes

Member SecretaryLaurie Baker Centre

for Habitat Studies (LBC)

Green Building Congress,

1st November , 2012

Ar. PB SajanJt. Director

COSTFORD&

Residence of

Ar. P B Sajan & Ar. Shailaja Nair

SITE PLAN

• Sloping site on

top of a hill

• 8.5 cents

(345 sqm)

Mud (without stabilisers)

Coconut tree

Kattadi (Casuarina) Poles

Bamboo

Country burnt Brick

Reused Wood

Reused Roof Tiles

Mango tree Wood

Random Rubble

MATERIALS USED

TREATMENT OF MATERIALS

Bamboo

Kattadi (Casuarina) Poles

Coconut Tree

Mango tree wood

LOCAL BAMBOO

Treatment tank

Preservative preparation

Holes in nodes for proper preservative

penetration

Smoothening of nodes

KATTADI (CASUARINA) POLES

Preparation of Kattadi poles

Treated Kattadi pole

COCONUT TREE

Clearing of outer layer of coconut trunk

Coconut trunks are immersed in

preservative

Treated Coconut Trunks

In Construction

R.R. masonry in mud mortar

FOUNDATION

WALL

Mud :Cob construction

MUD WALL

MUD WALL -Interior

BAMBOO

Bamboo Beam & Floor

Finishing of bamboo floor

Bamboo Beam & Floor

Bamboo in Openings

Bamboo in Openings

COCONUT TREE TRUNKS

Smoothened coconut trunk

Coconut Trunk Pillar

Coconut Trunk Pillar

Coconut Beam

KATTADI (Casuarina) POLE

Kattadi Poles - Roof

Kattadi Poles - Roof

Kattadi Poles - Roof

REUSED WOOD

Reused Windows

Reused ceiling planks as floor finish

Floor

Reused wood - Beam

Reused Wood

Reused Doors

Mango wood - stair planks

Mango wood - stair planks

After Completion

Comparison of Material Consumption

Material Source KM

Diesel/

Trip

(Ltr)

QuantityMaterial

Saved

Qty of

Diesel

Saved

(Ltr)

Brick Tamilnadu 174 34.8 5000 24317 169.25

Sand Tamilnadu 174 34.8 6 90 522

20mm and 40mm

broken stoneVarkala 80 16 6 55 146.67

Steel Coimbatore 920 184 16000 3866 44.459

Cement Thirunalveli 320 64 200 1099 351.68

Total 1234

Diesel saving

Energy Saving

ITEMEnergy saved

per no.Total Nos.

TOTAL ENERGY

SAVED (MJ)

BRICK 3.75 (MJ/NOS) 24317.00 91188.75

CEMENT 5.85 (MJ/KG) 54950.00 321457.50

STEEL42 (MJ/KG)

3866.00 162372.00

TOTAL 575018.25 MJ

Walking the Talk… Ar. PB SajanCOSTFORD & LBC

Thank you