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Company Profile
Aaryan is one of the largest integrated testing and
design consulting companies empanelled with large government
organizations at state and central level in India. Working for large
upcoming infrastructure projects in the government sector, Aaryan
works closely with all stakeholders to deliver quality services on
time.
Aaryan has a rich expertise of testing, analyzing and understanding
existing structures for repairs, extension and strengthening. Long
recognized for its un-biased reports on in-situ concrete quality,
The range of services ranges from testing of structures design of
structures, preparation of structural drawings, preparation of bill
of quantities, tender documents, supervision of repairs and
rehabilitation works, complete quality assurance, project
management, retesting post repairs and certification of stability.
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NDT for Beams, Columns, Slabs
and Pile foundations |
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Ultrasonic Pulse Velocity Test
This test is used to measure the quality of
concrete by velocity of ultrasonic waves. The
velocities are affected by Homogeneity of Concrete,
Presence of Cracks, Voids & Other Imperfections that
quality of concrete. On structures correlation of
velocity with strength is used to estimate the
compressive strength of concrete in the structural
element. |
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Rebound Hammer Test
This test measures the surface hardness of concrete.
For new structures, the hardness reading is used to
co-relate the strength of concrete. The hammer has
to be used normal to the test surface, vertically
(up of down) or horizontally depending on the
structural element. |
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Half cell potential and carbonation test
Half cell potential test determines the probability
of corrosion activity taking place at the point in
the Reinforcement. A higher probability and not the
extent of corrosion.
When the cover concrete is carbonated the process of
corrosion enhances due to the reduction in the
alkalinity surrounding the reinforcement bars. The
estimation of carbonation depth thus helps in
predicting the period of protection from corrosion. |
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Core cutting and compression testing
75mm of 100mm diameter cores are taken on site using
state of the art core cutting machines. Cover meter
is used to locate the reinforcement steel before
core cutting. This prevents structural damage to the
RCC member by avoiding the reinforcement. These
cores are dressed in our lab and tested using
standard compression testing methods to determine
compressive strength and arrive at equivalent cube
strength of concrete. |
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Reinforcement mapping
The method is used to assess reinforcement bar
diameter and spacing of main bars and stirrups. For
new structures it can be used to determine the exact
usage of steel. In old buildings this is used to
gather information on the reinforcement, not
available or otherwise. This information is then
used to prepare the structural drawings as
constructed. |
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Pile integrity Test
Pile integrity test is used to assess the continuity
of piles. With this test, necking or bulging and
uniformity of quality of concrete is checked. Piles
that are doubtful for integrity are taken up for
Dynamic load testing along with some piles which are
ok. |
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Pile Dynamic Test
Pile dynamic test is used to assess the load bearing
capacity of pile. This test uses a hammer of a
couple of tons to drop on the pile. Displacements
are measured using a high tech instrument. This data
is processed to arrive at he pile dynamic load
bearing capacity as per IS-2911(part-1 section-1).
This test is easy to conduct and requires very few
site arrangements. |
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RAQ: Repairs with Assured Quality
This copyright methodology developed by Aaryan
assures correct concrete quality during repairs and
rehabilitation stage. The method is based on NDT
tests before and after repairs. This methodology
assures the RCC consultant, Owners and contractors
of quality execution of RCC repair work by co
relating various NDT test results before and after
testing.
Structural Consulting
and Quality Management Solutions
Design, Testing, Project Management,
Certification. |
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Preliminary Structural
Assessment
Brief condition Survey Report
Aaryan conducts a preliminary visual inspection report and
representative NDT report on select 5-10% of elements. Report
includes visual inspection, photography and sample NDT results.
Based on preliminary data, assessment is done whether the structure
is suited for future use (in current or modified form). Requirement
of prima facie additional strengthening or repairs is identified
here. This is used for an overall assessment of the structure. |
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Comprehensive
Structural Assessment
NDT and Condition Survey report
Performing NDT tests like UPV, Reinforcement Mapping, Half Cell,
Core Testing etc. on upto 100% of structural elements. The purpose
is to assess condition of structure and submit detailed condition
survey report. The report includes detailed NDT test results
containing individual test reports and summary report on condition
survey.
Preparation of
Structural Drawings
In many cases, structural drawings are not available. Aaryan
prepares structural drawings based on current condition of the
structure. This accounts for corrosion of steel and the
deterioration in concrete quality due to ageing. Preparation of
structural drawings is a necessary step for carrying out design
calculations. Structural drawings of all structural elements
including footings and all RCC members are done in this stage.
Preparation of preliminary estimates for BOQs.
Based on the intended use of the structure and the condition survey
report, Aaryan works out a preliminary estimate of repairs or
strengthening required. This is used for taking budgetary approvals
at the customer end. The estimates are at a very broad level and are
not a preparation of tender and do not include any detailed
specifications.
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Structural Redesign
Structural Redesign Calculations
With the inputs received from the condition survey report and
structural drawings, Aaryan redesigns the structure for new loading
conditions. A detailed report containing element wise redesign is
provided with seismic considerations. Detailed drawings for each
representative element are provided in this stage. Redesign
statement includes treatment for each member and a summary BOQ (bill
of quantities).
Detailed BOQ from redesign
BOQ for contractor bidding with exact quantities and repair activity
specifications. Aayan formulates a detailed tender allowing for
contractors to bid exactly for the repairs or strengthening work
specified in the tender.
Project Management and Quality Assurance
Aaryan sets up a project monitoring team with key resources,
technical and supervisory for schedule, consumption, time and costs
control. Preparation of detailed activity and schedule list is
included in the scope of work.
Proper records are maintained for all material coming in the site,
consumed and taken out of the site. Quantities billed consumed and
measured are billed. Corelation report on site material consumption
is prepared with incoming, outgoing material and planned schedules.
As a part of the process, Aaryan verifies contractor bills and
certifies them for payments. This ensures quality assurance of the
work carried out by the contractor is done on time. |
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Structural Certification Stage
Structural Re testing post repairs
The repair and strengthening activity usually involves a lot of
bonding, jacketing and steel addition as its activities. The
effectiveness of bonding and jacketing can only be checking using
specialized instruments and techniques for presence of voids.
Certification of repairs is done by carrying out NDT to check
effectiveness of repairs on select areas.
Structural Stability Certificate
Visual inspection of the completed site, thorough re-testing of
critical elements, verification of drawings, checking on pmc reports
is done during this process. Finally Aaryan issues a stability
certificate for the structure.
RAQ: Repairs with Assured Quality
This copyright methodology developed by Aaryan assures correct
concrete quality during repairs and rehabilitation stages. The
method is based on NDT tests before and after repairs. This
methodology assures the RCC consultant, Owners and contractors of
quality execution of RCC repair work by co relating various NDT test
results before and after testing.
CQA: Concrete Quality Assurance
Used for new constructions, this copyright methodology developed by
Aaryan assures controlled quality during rapid execution. The method
is based on periodic testing (NDT) on site. This methodology assures
the RCC consultant, owners and contractors of quality execution of
RCC work by co relating NDT tests on structural elements with design
data and in situ cube testing. |
Contact Us
Aaryan Structcon Pvt Ltd.
A Wing, 5th Floor, 515. Sagar Tech Plaza
Saki Naka, Andheri (East),
Mumbai 400 072, India.
Phone: +91-22-28525505, +91-22-67105033
Cell: +91-9820141715, Fax: +91-22-28525524
Email:
info@aaryanengineers.com
Web:
www.aaryanengineers.com |
