Open Tender for Structuhral audit of bldgs 1a,Structuhral audit of bldgs 1b,Structuhral audit of bldgs 1c,Structuhr in SOUTH ANDAMAN, ANDAMAN & NICOBAR

Conducting structural audit for Rehabilitation for the building nos P35 URO approx total Plinth Area 33 Sqm which includes following Visual Survey Visual inspection for surface damages damage classification The visual inspection shall largely cover areas of high distress corrosion moisture leakage abnormal variations in structure algae and fungus growth efflorescence etc Visual inspection would be documented in the form of worksheets photographic records and distress over drawings Simple tools and instruments like camera with flash light magnifying glass binoculars chisel and hammer etc shall be used for measiring the distresses as per site requirement

Ultrasonic Pulse Velocity Test Nos of tests 2 for ascertaining the quality of concrete uniformity of concrete in terms of soundness and density of concrete as per IS 13311 Part 1 1992 ASTM C597 83 BS 6098 1981 and BS 1881 Part 203 and BS EN 13791 also establishing correlation chart between ultrasonic Pulse velocity and other confirmatory test having estimated insitu strength of concrete if required.

Half Cell Potential Test Nos of tests 2 Measuring the half cell surface potentials at selected locations on RCC members of the structures covered under the study to understand the extent of reinforcement corrosion in terms of probable risk of corrosion of steel bar as per ASTM C876 The rate shall include surface preparation moistening concrete surface

Report Interpretation and Recommendation Preparing and submitting comprehensive report consisting of findings from visual inspection test data interpretation of results conclusions and final recommendations along with sketch indicating the location of the test recommending suitability of the buildings for special repair or otherwise and suggesting methodology for retrofitting of the buildings Note a Each type of test will be done in all buildings as per scope of work No of tests in each building should be optimised in such a way that it gives best possible representation of the structural health of the building b Report should be duly vetted from IIT or NIT c The HD quality site photographs and video shall be provided in a good quality of CD or DVD along with soft copy

Conducting structural audit for Rehabilitation for the building nos P 321 MT at Brichgunj Military Station Sri Vijaya Puram approx total Plinth Area 186 Sqm which includes following Visual Survey Visual inspection for surface damages damage classification The visual inspection shall largely cover areas of high distress corrosion moisture leakage abnormal variations in structure algae and fungus growth efflorescence etc Visual inspection would be docemented in the form of worksheets photographic records and distress over drawings Simple tools and instruments like camera with flash light magnifying glass binoculars chisel and hammer etc shall be used for measiring the distresses as per site requirement

Ultrasonic Pulse Velocity Test Nos of tests 4 for ascertaining the quality of concrete uniformity of concrete in terms of soundness and density of concrete as per IS 13311 Part 1 on 1992 ASTM C597 83 BS 6098 1981 and BS 1881 Part 203 and BS EN 1379 also establishing correlation chart between ultrasonic Pulse velocity and other confirmatory test having estimated insitu strength of concrete if required a

Half Cell Potential Test Nos of tests 4 Measuring the half cell or surface potentials at selected locations on RCC members of the structures covered under the study to understand the extent of reinforcement corrosion in terms of probable risk of corrosion of steel bar as per ASTM C876 The rate shall include surface preparation moistening concrete surface

Report Interpretation and Recommendation Preparing and submitting comprehensive report consisting of findings from visual inspection test data interpretation of results conclusions and final recommendations along with sketch indicating the location of the test recommending suitability of the buildings for special repair or otherwise and suggesting methodology for retrofitting of the buildings Note Each type of test will be done in all buildings as per scope of work No of tests in each building should be optimised in such a way that it gives best possible representation of the structural health of the building Report should be duly vetted from IIT or NIT or any Govt Engineering College The HD quality site photographs and video shall be provided in a good quality of CD or DVD along with soft copy

M& L for carring out the soil investigation to cover field and laborotory studies includes building P414

Shifting and transportation of entire arrangement including men and materials from one bore hole to another bore hole location including setting of bore for carrying out the test

Carrying out standard penetration test SPT as per IS 2131 including collection of disturbed soil samples in bore holes at every 1 m depth or any change of strata and submit the report with all requisite data

Conducting necessary tests on all collection of DS or UDS or SPT samples which includes the determination of 1a Shrinkage limits 2b Atterberg limits 3c Natural moisture content 4d Wet and dry density 5e Particle size soil grain size 6f Consolidation test 7g Triaxial shear test 8h Specific gravity test 9i Direct shear test 10j Testing of water samples sulphates chlorides PH 11k Free swell index 12l Crushing strength of rock samples 13m Soluble salt content

Submit Structural drawings of class room based on soil bearing capacity in 03 sets Line diagram of two class room in Ground foor and first floor will be provided by the department consultant shall also submit soft copy of design calculations on STAAD or other software used for design 03 sets