Tender For corrigendum : procurement of lab instruments for chemical lab of ogcd, dtps, htps, kasimpur - sension5 portable conductivity meter specification range:#conductivity s/cm 0 to 19.99; 200 to 1999#conductivity ms/cm 2 to 19.99; 20 to 199.9#tds: 0 to 50,000 mg/l as nacl salinity: 0 to 42 g/l (ppt)#temperature: -10.0 to 105.0 c#resolution:#conductivity 0.01; 1.0#conductivity ms/cm 0.01; 0.1#tds: 0 .00-199.9 mg/l 0.1mg/l 2 00-1999 mg/l 1 mg/l 2 .00 -19.99 g/l 0.01 g/l 2 0-50 g/l 0.1g/l #salinity: 0.1 g/l (ppt)#temperature: 0.1 c#accuracy:#conductivity: 0.5% in the first 3 ranges, 1% at highest range #td of full scale #salinity: 0.1 ppt (-2 to 35 c) #temperature: 0.1 c# , make-hach, ph meter probe (ph meter sension ph3) cat no-lzw5010t.92.0002 make hachdetails in photograph enclosed in tender document, manual sieves shaker (with sieves set - mesh size-50,+100,+200) any standard make details in photograph enclosed in tender document, centrifugal machine for oil testing, any standard maketube capacity:no.12-24:size 15 mlshould have a digital timerbody should be made of strong fabricated & corrosion resistant steel.control panel- for start/stop switch, dynamic brakes, step less speed regulator with zero start switch & speed indicator with timer and protective fuses.door interlock.maintenance free brushless drive motor with exact speed preselection and display. speed range 100 to3000 rpm and above, accuracy 1 rpm. details in photograph enclosed in tender document, orset appratus (complete set), any standard make details in photograph enclosed in tender document, ph 2700 ph meter specification #ph range -2.000 to 20.000 ph #resolution 0.1 / 0.01 / 0.001 ph #accuracy 0.002 ph + 1 lsd #cal. points up to 6 preset or 5 custom #buffer sets usa, nist, din, user 1, user 2, custom #or range 2000.0 mv #rel. mv range 2000.0 mv on 0.1 mv# accuracy 0.2 mv #temperature,range (meter) 0.0 to 100.0 c / 32.0 to 212.0 f #resolution 0.1 c / 0.1 f #accuracy 0.3 c / 0.5 f #compensation atc / mtc #power requirements 9 v dc adapter, 1.3 a (100/240 vac, smps)# make- eutech
Tender For supply of structural audit of building - identification of weak structural members , design of these structural members including certifying the load carrying , detailed methodology of structural rehabilitation , complete structural audit to be vettted by any iit nit govt engineering collage , visual observation identify and note the distress damages leakages , rebound hammer test to know the surface strength of the concrete , ultra pulse velocity test to evaluate the integrity of concrete , carbonation test to identity the depth of carbonatinon on concrete , half cell potential test to define the corrosion potential of rcc section , chemical analysis to find out the ph value of existing concrete members , chemical analysis to identify the chloride content ci , chemical analysis to identify the sulphate content so3 , core cutting and compression testing including reinforcement mapping , compile ndt report and analysis data collected to ascertain status , suggestion for remedial measures preparation and submission + /bid number : gem/2025/b/6194345 , /dated: 11-06-2025 ( ( / bid document 1 / 17
Tender For corrigendum : supply of structural audit e e - identification of weak structural members , design of these structural members including certifying the load carrying , detailed methodology of structural rehabilitation , complete structural audit to be vettted by any iit nit govt engineering collage , visual observation identify and note the distress damages leakages , rebound hammer test to know the surface strength of the concrete , ultra pulse velocity test to evaluate the integrity of concrete , carbonation test to identity the depth of carbonatinon on concrete , half cell potential test to define the corrosion potential of rcc section , chemical analysis to find out the ph value of existing concrete members , chemical analysis to identify the chloride content ci , chemical analysis to identify the sulphate content so3 , core cutting and compression testing including reinforcement mapping , compile ndt report and analysis data collected to ascertain status , suggestion for remedial measures preparation and submission + /bid number : gem/2025/b/6265913 , /dated: 11-06-2025 ( ( / bid document 1 / 17
Tender For repairing of all gear box and its accessories at wazirabad barrage. - dismantling of gearbox by removing both end couplings and extracting the complete shaft assembly from the barrage gates. this includes removal of thrust and steel blocks using skilled labour and specialized lifting equipment. the gearbox top cover (top half) shall be removed, followed by detachment of the bottom half from the main gearbox body. all internal components parts gear, changer gear assembly, bearing, limit shift assembly and shaft shall be carefully removed in sequence, ensuring proper identification and documentation of their orientation and order for accurate reassembly., dismantling of drumbox assembly by removing both end couplings and extracting the complete shaft,bear and gear assembly from the drum box .. all internal components parts gear, changer gear assembly, bearing, limit shift assembly and shaft shall be carefully removed in sequence, ensuring proper identification and documentation of their orientation and order for accurate reassembly., thorough cleaning of all components to remove debris, contaminants, and residual lubricants using appropriate cleaning agents and methods. detailed inspection of each component to assess condition, identify wear, damage, or corrosion, and document findings for further repair or replacement as required., repair of limit switch assembly of gear box including the complete overhauling /oiling and greasing including replacement of parts as per sample ., replacement of normally open (no) switch and contactor with a relay, along with the complete installation of electrical components for the gear box in the hoisting mechanism of the barrage system, replacement of brake pad as per sample along with complete fitting and integration in the gearbox assembly, replacement of brake coil as per sample along with complete fitting and integration in the gearbox assembly, replacement of bearing no 6315/c4 djb approved makes, replacement of bearing no 6312m/c3 djb approved makes, replacement bearing no 6308 2rs1 djb approved makes, replacement bearing no 6310 2rs1 djb approved makes, complete assembly of the gearbox, including packing, greasing, and installation of both end shafts with cast iron (c.i.) couplings and bolts. ensure proper alignment and secure fastening to maintain efficient power transmission and operational reliability, complete overhauling and lubrication of all moving and critical components of the drum box assembly of the gearbox, using appropriate tools such as grease guns and nipples. the work shall be carried out by skilled labor as per site requirements. ensure proper lubrication with the specified grade and viscosity of grease to maintain optimal performance and prevent wear and tear of mechanical parts including internal parts of painting, the work involves achieving precise/making alignment of the shaft connecting the drum box and gear box in the hoisting mechanism of the barrage. proper alignment is critical to prevent deviation from the guide grooves during operation particularly during lifting and to ensure long-term stability and accuracy of sluice gate movement.the job includes dismantling the existing shaft (which transmits motion between the drum box and gear box), carrying out realignment, and reinstalling the shaft with high precision. to restore the system to optimal operating condition, the work shall also involve the replacement of associated hardware components as required such as bearings, couplings, keys, and fasteners.this intervention is essential for the reliable and efficient functioning of the sluice gate lifting system and to prevent operational issues during gate actuation., after cleaning and overhauling the gear and shaft of the gearbox, refit and them in their original positions with making alignment with all movement parts of gear box and ensure that they are functioning properly., conduct load testing of 3under sluice and 3weir side gates and weir side gates during
Tender For calibration of 20 numbers of paint testing and corrosion engineering laboratory (ptcel) s equipment s/instruments (list enclosed as annexure-i)