KEEPING INDIA’S BOOMING IT INDUSTRY WATERPROOF - CASE STUDY II
1.GPX Global Systems
DESCRIPTION OF THE PROBLEM:
GPX Global Systems builds and operates private, carrier-neutral Internet Exchanges (IX’s) and Internet Data Centers (IDC’s) in emerging, commercial markets. The company offers a world-class, carrier-neutral collocation infrastructure, and environment to clients seeking to broaden their exposure and growth into new lucrative emerging global markets. GPX operates datacenters for many Global 2000 Enterprise and Carrier clients, including Citigroup, JP Morgan, Exxon Mobil, ABM Amro, Microsoft, eBay, AOL, Google, Sprint, MCI, SBC, Deutsche Telecom, France Telecom, and many others.
One of GPX’s three gateway hubs is present in Mumbai. This hub is used by GPX’s global clients and business continuity is their chief concern. GPX Indian facility is an energy-efficient, green building certified by LEED and was a winner of the 2010 CRISIL-CREDAI Real Estate Award for ‘Most Innovative Building Design’.
The structure “Boomerang”, a 1.2 million sq ft complex at Chandivali Farm Road in Mumbai, the country’s largest single project floor plate for commercial utility.
The clients approached Sunanda’s Concrete Materials Consultancy Division, to provide a guaranteed and waterproof structure for housing their critical servers and associated IT infrastructure. This site was especially complicated due to the large floor plate of 40000 square feet.
Initial pond test uncovered a large number of leakages in the slab which were immediate points of concern for the clients whose topmost business priority was “continuous operations with zero unplanned downtime”.
A step by step analysis was carried out by Sunanda’s Concrete Materials consultancy Division, presented to the clients, approved by their International Consultants, Archway Global Systems as well as their domestic consultants, Exigo International.
GPX Global Systems, Boomerang, Mumbai
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KEEPING INDIA’S BOOMING IT INDUSTRY WATERPROOF - CASE STUDY I
1.Edelweiss/IBM
DESCRIPTION OF THE PROBLEM:
In 2008 Edelweiss, one of India’s leading financial service companies struck the highest deal in real estate by purchasing a 3 basement, G + 14 stored RCC building for approximately 250 crores with a built-up area of 2 lakh sq. ft. to house their corporate office. As part of their IT infrastructure, this building was also going to house Edelweiss’s main server room, battery room, electrical room, and...
WATERPROOFING OF STRUCTURES: CHALLENGES AND SOLUTIONS
Al Yaqoub Tower is a tall building in Dubai, United Arab Emirates. The tower reached its peak in 2010 and was completed in 2013.
Problem: To avoid seepage from wet areas and make structures durable.
Application: Waterproofing by crystallization.
Conclusion: We have suggested waterproofing by crystallization. It is an economical waterproofing system in the form of dry powder. When applied it becomes an integral part of concrete, so cannot puncture or tear. The system is durable and lasts as long as the concrete.
Location: Sheikh Zayed Road, Dubai, UAE
Client : Al Yaquob Group
Material consultant - Sunanda Speciality Coatings Pvt Ltd.
Email - info@sunandaglobal.com
Website - www.sunandaglobal.com
MECHANISM OF WATERPROOFING
Mechanism of Waterproofing by Proper Cement Hydration
One of the products of hydration of cement is cementgel or Tobermorite, which is formed upto water cement ratio 0.65 to 0.7. At lower w/c ratio, it is formed more and more and vice versa. This hydration product has absolutely least co-efficient of permeability, i.e., 7x10-14 cm/sec and by itself blocks the pores and capillary in the concrete. This can result into good waterproof concrete of 10-10 to 10-12 cm/sec. However,...
Various permutations and combinations in specifications can avoid such problems, for example, the following alternatives can be considered:
1.Give a water impermeable coating on the finished surface of IPS – Though this method can prove effective on a short-term basis, may create problems subsequently. It is observed that the coatings based on pure solvent-based polymers, though effective do not function for a larger duration due to its requirement for a thoroughly clean and dry surface. From...