underwater construction

1. 18ARC8.2
Materials & Methods in Building Construction VIII
Site Visit Report
VGP MARINE KINGDOM
Name:
Report submitted by: SAFFAN AHMED
USN: 1NS19AT043

2. 18ARC8.2
Materials & Methods in Building Construction VIII
Site Visit Report
BMRCL – Kempegowda International Airport
• THE SITE VISIT WAS CONDUCTED ON
13TH OF MAY 2023
• WE LEFT FOR CHENNAI AT 6:20 AM
FROM HEBBAL AND HAD STOPPED
FOR BREAKFAST IN TAMILNADU
AROUND 10 AM
• THE TIMING OF ARRIVAL AT THE
LOCATION WAS DELAYED DUE TO
HEAVY TRAFFIC
• AFTER TRAVELLING FOR ABOUT 8
HOURS WE REACHED THE VGP
MARINE KINGDOM AND STARTED
EXPLORING THE PLACE

3. 18ARC8.2
Materials & Methods in Building Construction VIII
Site Visit Report
BMRCL – Kempegowda International Airport
Name:
• THE ARCHITECTS OF THE VGP
MARINE KINGDOM ARE
AQUAMARINE
• AREA WAS AROUND 7500 sqm.
• VOLUME OF THE TANK IS 3395 m^3.
• LENGTH OF THE TUNNEL IS 70m
• SHEAR WALLS HAVE A GAP OF 100
mm TO HOLD STIFF AND OVERCOME
THE LATERAL FORCES ON IT.
• ACRYLIC PANELS OF 750 mm THICK
ARE USED TO HOLD WATER
PRESSURE.
• AT THE TUNNEL THE EDGES ARE
MADE UP OF STEEL RINGS AND THE
MAIN MATERIAL USE WAS ACRYLIC
PANELS.

4. 18ARC8.2
Materials & Methods in Building Construction VIII
Site Visit Report
BMRCL – Kempegowda International Airport
Name:
• THERE ARE 2 TYPES OF
UNDERWATER CONSTRUCTION
TECHNIQUES
1. CAISSON’S TECHNIQUE
IT INCLUDES: BOX, OPEN, PNEUMATIC,
SUCTION.
2. COFFERDAM’S TECHNIQUE
IT INCLUDES: DICES, SINGLE WALL,
DOUBLE WALL, CELLULAR, ROCK
FILLED, CONCRETE AND SUSPENDED.
• METHOD OF PLACING CONCRETE
INCLUDE:
1. TREMIE METHOD
2. PUMP METHOD
3. TOGGLE METHOD
4. BAG WORK’S

5. 18ARC8.2
Materials & Methods in Building Construction VIII
Site Visit Report
BMRCL – Kempegowda International Airport
Name:
TREMIE METHOD
• IN THIS METHOD WE LEARNT THAT
THE TREMIE IS A WATERPIPE.
• IT IS OF 250mm DIA.
• FUNNEL SHAPED HOPPER AT ITS
UPPER END AND A LOOSE PLUG AT
THE BOTTOM.
• IT IS SUPPORTED ON A WORKING
PLATFORM, ABOVE WATER LEVEL

6. 18ARC8.2
Materials & Methods in Building Construction VIII
Site Visit Report
BMRCL – Kempegowda International Airport