Page 26 - SHELTER
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THEME PAPER
1. Economic viability construction schedule. The comfort, and water tightness.
2. Time speed of construction is not Fire resistance and acoustic
3. Performance only the RCC slab cycle but performance should also be
included in these criteria.
finishes time also plays a role to
4. Constructability complete project on-time. Some Functionality
5. Functionality technologies eliminate plastering
6. Procurement and masonry requirements. So, Overall compatibility of the
the
generally
with
system
7. Sustainability these additional activities create accepted functional requirements
a great impact on saving time.
8. Risk factors However, new and innovative is defined as the functionality
The criteria falling under each technologies have a higher lead of the system. End-user
category and its inferences noted time. Lead time of engineered friendliness, system flexibility,
from the literature review and and monolithic construction height limitation and suitability
interviews are discussed here: technologies are approx. 1.5 to 3 with different site topography
months. But their execution time and climatic conditions can be
Economic viability considered under functional
cycle is substantially reduced
Economic viability is the compared to conventional requirements of the system. It is
economic benefits of the techniques. Time should be difficult to modify the custom-
system versus costs. A life cycle evaluated by lead time, slab made formwork, so they cannot
costing approach needs to be cycle, and finishing time. use this on another project unless
adopted. This can be evaluated Technologies such as Tunnel the design is identical or if the
by purchase cost, maintenance formwork and Aluminium technology is flexible enough
cost, and cost of resources - formwork system have a higher to accommodate the design
manpower, machinery, and initial cost, but it can shorten change. So, the possibility to use
materials. Purchase cost of the construction schedule and a particular technology on other
the technology considering ultimately reduce overhead costs. project and their suitability for
minimum number of sets Likewise, some technologies are design modification and design
required is considered as an less expensive, but it takes more complexity is important factor
initial investment. For example, time to complete the work. So, to be considered while selecting
in a four storey-building project, time and cost are both important construction technology. In
we cannot recover even purchase criteria at the time of evaluation, India, generally, LIG/MIG
cost of tunnel formwork. So, we depending on the project and category people are not known
have to look into the repetitions its contract clause as contractor to maintain buildings well, so
requires to recover the purchase perspective. utilities have to be provided in
cost of the technology. The initial manner which doesn’t damage
cost of a technology may be high, Performance affect structural stability of the
but it gives 100 repetitions. In Often quality of concrete building. So, compatibility with
such cases, the possibility of use formwork is judged by its MEP services should also be
in another project also becomes a surface finish and joints. evaluated. Also, there should
deciding factor. However, quality performance be ease in maintenance and
Time of technology should be the materials used should be
evaluated through criteria available in the local market.
Owner and contractor both such as structural strength and Builders should be ready to
are concerned with the project provide some modification, if the
stability, service life, thermal
24 HUDCO-HSMI Publication