BARC/TSD/07/2022-23

Amount

Conducting Ultra Sonic Pulse Velocities Test, at all locations prepared after chipping the plaster, on columns, beams and portal frames to assess the integrity of concrete as per IS:516 (Part5-Sec1-2018) or BIS/ASTM specifications etc. complete.

Conducting Rebound Hammer Test as per IS:13311 (PartII-1992) or BIS/ASTM standards etc. complete.

Conducting Half-cell Potential Meter Test at all locations to assess the risk of corrosion including exposing the reinforcement for carrying out the test. The test shall be conducted as per ASTM-C876-15 or BIS specifications. The quoted rate shall include charges for filling back areas chipped for exposing the reinforcement with polymer modified mortar. 5 potential observations taken at one location will form a unit for measurement purposes.

Extraction and Testing of Concrete Drill Dust Samples from the structure for Chemical Test (pH, Cl, S). The samples shall be tested for Chlorides, Sulphates, PH and Alkalinity. One Set of Test consist of Three drill dust samples from depths 0-20mm, 20-40mm and 40-60mm shall be collected from each location.

Conducting Carbonation Depth Test study on the structure as per EN:14630-2006(E).

Extraction of Concrete (75mm dia) Cores from locations specified and testing for crushing strength, water absorption & unit weight as per IS:456, IS:516 & SP-24. The quoted rate shall include charges for filling back the core holes with polymer modified mortar and finishing etc. complete.

Conducting Profometer Scan at specified location of the structure for reinforcement steel location, approximate size and cover measurement, etc. complete. Note: The rates quoted for item No. 1 to 7 shall include preparation of test area, making good the areas with polymer modified mortar, disposing off debris and necessary scaffolding arrangements for testing etc. complete.

Preparation and Submission of Two Copies of Draft Report as specified followed by five copies of final report along with a soft copy of the same on Diskette Covering containing Non Destructive Test Observations, Analysis, Interpretation and Conclusions of NDT Observations, Drawing out Measures for Durability make up, Estimation of Repair Quantities, Rate, Rate Analysis for major repair items.

Conduct Distress Mapping Analysis for each floor in BARC Hospital Old Building including BARC Hospital Annex Buildingis having Basement Floor to 4th floor, A&B wing (Basement+G+4Floors) and Annex Building (G+4Floors). Distress symptoms will be marked on floor plan as per notation used or as directed by Engineer-in-Charge and prepare data sheets mentioning exact location of each crack, height, and width of crack and Preparation and submission of two copies of draft report as specified followed by five copies of final report on Diskette Covering Distress Mapping Analysis Observations with a soft copy of the same including Conclusions along with photos etc., Complete as directed by Engineer-in-Charge.

Providing and fixing double tubular scaffolding system using H- frames with cup lock type on the exterior side upto seven story height made with 40 mm dia M.S. tube 1.5 m centre to centre horizontal and vertical tubes joining with cup and lock system with M.S. tubes, M.S. tube challies, M.S clamps and M.S staircase system in the scaffolding for working platform etc. and maintaining it in a serviceable condition for the required duration as approved and removing it thereafter. The scaffolding system shall be stiffened with bracings, runners, connection with building etc. wherever required for inspection of work at required locations with essential safety features for the workmen etc. complete as per directions and as approved by the Engineer -in - charge. The elevational area of the scaffolding shall be measured for payment purposes. The payment shall be made once irrespective of duration of scaffolding Note : This Item is purely Token provision only. If required then only it will be operated or else will remain as saving.

Capstone Consultants Private Limited

TEKBURO ENGINEERING PRIVATE LIMITED

KBP Civil Engineering Servises

BECQUEREL INDUSTRIES PVT. LTD.

Advice Consultants

Gem Engserv Private Limited

Epicons Consultants Pvt Ltd

Renuka Consultants

Goma engineering and consultancy

Cortex Construction Solutions Pvt Ltd