1. INTRODUCTION:
CLIENT - M/S. N ROSE DEVELOPERS PVT. LTD.
ARCHITECT - K ARCH ARCHITECTS
STRUCTURAL CONSULTANT - SACPL
2. PROJECT DETAILS:
- Ground+3Basement+9 Podium Floors+5 Future Provision floors
52 typical floors+2 service floors+1 E- Deck floor
- 225m Height
- 17,63,382 Sq.ft. area
- Location: Northern Heights, Bharucha Road, Dahisar East, Mumbai, Maharashtra, 400068. (Latitude 19024’ N and Longitude 72086’ E).
Fig.- Location
3. WIND TUNNEL TEST
• Used to predict the wind loads and responses of a structure
• Done by RWDI Consulting Engineers (India) Pvt. Ltd, Trivandrum
• 1 : 400 scale model
• 2.4m x 1.8m wind tunnel
• Model surrounding details around 460 m radius
• 50 years return period
Fig.- Wind tunnel Model
Fig.- Model preparation stage
Fig.-Wind Tunnel Model
Fig.- Load sets
4.OBSERVATIONS
70% of the code loads stipulated as a minimum as per IS 16700: 2017
Fig.- Observations
4.REQUIREMENT OF TIE BEAMS
•To control torsional effects
•Provided at alternate 10 floors
Fig.- Model with tie beams
Fig.- Wing A & Wing B Typical Floor without ties
5. REQUIREMENT OF SPANDRELS
•To reduce time period
•Provided at every floors at marked locations
Fig. - Model with Spandrels
6.FOUNDATION SIZE WORKOUT
•Based on soil data inputs & architectural inputs, initial footing analysis done with 2.5m, 2.75m & 3m footing depth and following conclusion made on the basis of initial analytical observations.
•As per client’s decision 2.75m depth was finalized.
Fig. - Raft cost comparison
7. EXCAVATION
•SBC 200 T/m2
•Hard bed rock encountered at lower depth. No shoring was required
•Limited retaining wall size to 350 mm instead of heavy sizes
Fig. Bore Hole
Fig. Excavation
Fig.-Excavation section
Fig. Revit Model