Supply of laboratory Equipments and related items For Civil Engineering Department

Amount

CO2 Incubator/ Carbonation Test Chamber

The Chamber fabricated with high quality MS/stainless steel powder coated exterior finish and interior with standard welding for vapour type finish with the features detailed below: 1) Internal dimensions: 600mm X 600mm X 600 mm ; Volume : 210 Ltrs. 2) Heating/Temperature measurement system: In conel sheathed type evenly spaced in the annular space surrounding the working volume with range of +10 OC to +60OC having Temperature Measurement Accuracy of +/- 0.1 OC and Temperature Control Accuracy of +/- 1 OC after stabilization. 3)Humidifier system :consisting of air atomizers for humidification, warm water vapor generator, complete with blowing system, heating and over-heat safety system, air compressor with refrigerated drier and direct measurement platinum resistance type sensors for humidity measurement and control with Humidity Range (RH) : 40% to 95% RH, ± 2% in standard temp range and Humidity Measurement Accuracy : +/- 1% RH 4) CO2 Purging and Control System : consisting of CO2 purging valve assembly provided for purging of CO2 inside the chamber, transmitter for detecting CO2 level in the air, control mechanism for closing and opening if purging valve to maintain the set concentration level, Controller attached in Chrome Plated Brass regulator with Pre-heater for CO2 Cylinder with CO2 Measurement and Control Range0 to 10% (CO2 Sensor with automatic baseline Correction)Flexibility to set between Ambient 0.035% to 10%. 5) Refrigeration Unit: Single Stage Air Cooled Condenser System, complete with Compressor, Condensing unit, and CFC free refrigeration gas. 6) Door Assembly and Viewing window : Door System with full front opening type, compensating hinges with locking mechanism, 400 X 400mm viewing window suitably insulated with non-flammable Rock-wool with light and Interlock protection. 7) Fan System: High performance suitably mounted motor drives internal fan. 8) Controller system and Display: High performance Multi Loop PID Controller, PC interface with Advanced control algorithm inclusive of acquisition and configuration software, High Stability Control & High Precision input, Real time clock, High accuracy, high stability temperature and process controller, Dual 7-segment display (5 digit) of the process value and set point, Automatic tuning, self-correcting input circuit show measured variable and set value in OC, and humidity in % RH and CO2 in % Concentration. 9) Safety features: consisting of standard door interlock, under & over temperature protection, circuit breaker, thermal overload relay for fans and compressor, safety alarm for chamber malfunction and input supply variation >10%. Calibration: Standard NABL certificated Calibration for carbonation chamber/components. Other features : • Drain for condensate and cleaning water will be provided. • External Storage tank for DM/Distilled Water will be provided • Earth point will be provided • The power consumption by safety & control devices will be as low as possible. • Energy efficient motors will be used (Siemens/Alstom). • All the electrical items used shall be of std IP 55grade suitable for • Humidity chamber ( Schneider Electric ) • All the switch gears and MCB’s used in the construction shall be of high quality reputed brands • Noise Level of the chamber shall be with in 70dBA measured at 1Mtr distance Electrical Supply:415 VAC ±10%, 3 Phase, 50 Hz + N + E OR Any other equipment with equivalent or higher specifications

Rapid Chloride Test for acid and water soluble chlorides in concrete (RCT & RCTW SYSTEM)

RCT & RCTW SYSTEM for accurate and quick determination of acid and water soluble chloride ion content from powder samples of concrete obtained on-site/laboratory including RCT chloride electrode, electrometer for mV, pH and oC. electrode wetting agent, distilled water, spray bottle, polishing strips for electrode, plastic bags for powder sampling, powder collecting bowl, powder collecting pan, powder collecting clip, adjustable pliers, set of anchoring tools, mandrel, hammer, powder compression pin, powder weighing ampoules, calibration liquids (0.005%, 0.020%, 0.050%, 0.500% Cl-), Cleaning tissues, Calibration sheets for hardened concrete, Calibration sheets for fresh concrete, rubber ball dust remover, pencil and ruler, measuring tape, extraction vials, working manual, RCT calibration and application binder, attach case. OR Any other equipment with equivalent or higher specifications

Consumables for RCT and RCTW

Extra Consumables : a. Set of Calibration Liquids, RCT-1030 b. Electrode Wetting Agent, RCT-1000-1 c. Mixing container and cup, RCT-1032 d. Extraction liquid for acid soluble chloride in hardened concrete, RCT 1023 (set of 25) e. Extraction liquid for acid soluble chloride in fresh concrete, RCT 1031 (set of 4) f. Extraction liquids for water soluble chlorides in hardened concrete, RCTW 1023-1 and RCTW 1023-2 (Set of 25 each) g. Extraction liquids for water soluble chlorides in fresh concrete, RCTW 1031-1 and RCTW 1031-2 (Set of 4 each) h. Certified reference powder, RCT 1027 (Nine jars each containing in 70grams of concrete powder, with known amounts of chlorides and titrated according to AASHTO T 260) i. 1.5 gram balance for checking powder weighing ampoules supplied, RCT 995 j. pH-electrode, RCT 1028 k. Temperature probe, RCT 1029

Rainbow Indicator

Used to determine the depth of carbonation in samples of field concrete consisting of set of 4 spray bottles 80ml each, RI 8000.

Deep Purple Indicator

Used to determine the depth of carbonation in samples of field concrete consisting of set of 4 spray bottles 80ml each, RI 7000.

Ultrasonic Pulse Velocity Tester

Ultrasonic Pulse Velocity Tester confirming to ASTM C 597-02/ BS 1881 Part 203 (UK)/ ISO1920-7:2004(International)/ IS13311 (India)/ EN12504-4 (Europe) for assessment of concrete quality, uniformity, Ultrasonic Pulse Velocity, crack depth, compressive strength, detection of voids and honey combing consisting of Touch-screen, Pulse Echo Transducer incl. cable, contact tester, power supply, USB cable, calibrated tape, DVD with software, documentation, carrying straps and carrying case. Pulse Echo Transducer, incl. cable and contact tester with following details: Range 0.1 – 7930 µs; Resolution 0.1 µs (< 793 µs), 1 µs (> 793 µs); Display 7” colour display 800x480 pixels; Bandwidth 20 – 500 kHz; Receiver Gain 1x – 10’000x (0 – 80dB) [11 steps]; Memory Internal 8 GB Flash memory; Regional Settings Metric and imperial units and multi-language supported; Battery Lithium Polymer, 3.6 V, 14.0 Ah; Battery Lifetime > 8h (in standard operating mode); Operating 0°C – 30°C (Charging, running instrument); Temperature 0°C – 40°C (Charging, instrument is off) -10°C – 50°C (Non-charging) Humidity < 95 % RH, non-condensing IP Classification IP54 Accessories: Carrying strap complete, Transducer holder complete, BNC adapter cable; Cable with BNC-plug, 1.5 m (5 ft); Cable with BNC-plug, 10 m (33 ft); Ultrasound couplant, 250 ml; Shear wave couplant, 100 g; Battery complete; Quick charger (external); Calibration rod 25 μs; Calibration rod 100 μs; Calibrated Tape (Set of 5) OR Any other equipment with equivalent or higher specifications

Corrosion Monitoring & Warning System

Corro-watch: Monitoring system consisting of four black steel bars acting as anodes and a noble metal as the cathode for early warning of the onset reinforcement corrosion through estimation of the time before corrosion of reinforcement begins with complete system and accessories including cable of around 10m length. OR Any other equipment with equivalent or higher specifications

Aimil Ltd.

Avantech Engineering Consortium Pvt. Ltd.