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 providing erecting and fixing of electric pole accessories from check post main road to say site bucharwada panchayat area diu - supplying and erecting led street light fittings with high power white leds wattage of 3 watt and above assembled on single mcpcb, efficiency more than 130 lm/w and corrosion free high pressure die cast aluminum housing with smooth finish powder coated and heat sink extruded aluminium with diffuser and polycarbonate optics/ lenses, with toughened glass with company mark/ name engraved or embossed 160 to 270v, power factor more than 0.95, thd 10%, cct 3000k to 5700k,uniformity ratio >0.45, luminaire efficacy> 100 lumens/ watt. led driver efficiency > 85%. (fittings required lm-79 & lm-80 certificates) (note: below description have shown ranges of wattage capacity of led fittings. the engineer in charge may select any wattage capacity between the ranges shown.) (a) street light (ip-65), surge protection- 4kv integral and, light must have 440vac line supply with over-voltage protection. 90 watts cat. ii (make: wipro, crompton, philips, bajaj, osram) as directed by the engineer-in-charge., providing and erecting street light pole bracket comprising main b class gi pipe of 4.2 cm/ require outside dia. complete with suitable b class g.i sleeve tubing of approx. 45cms.length and suitable for 76.5 mm / 80mm. / require size pole top having sufficient fasteners for fixing the brackets and having spread of 1 mtr. length with suitable rise as per site condition & suitable welded stiffener reducer and nipple with check nut complete painted with one coat of red oxide / pu base primer and two coats of aluminium / pu paint. paint with following nos of arms. single arm bracket 1 mtr, providing and erecting xlpe (is:7098) (i)-88 isi armoured cable multistrand aluminium conductor for 1.1 kv. to be laid on wall with necessary clamps or in existing trench / pipe of following size of cables (a) 4 core 16 sq. mm, supplying and erecting flexible pvc insulated multi strand multi core 1.1 kv grade isi marked copper wires of following size to be erected as directed 1.50 sq.mm 3 core round pvc sheathed., providing and erecting pipe type earthing having 150 cms. long and 2.5 cms. dia. galvanised iron pipe with coupling and buch buried in specially prepared earth pit complete with necessary 8 swg earth wire., supplying & erecting earth pit of minimum bore dia. 150mm size approved make earthing electrode consisting pipe-in-pipe technology as per is 3043-1987 made of corrosion free hot dipped g.i. pipes having outer pipe dia of 50mm having 80-200 micron galvanising, inner pipe dia of 25 mm having 200-250 micron galvanising, connection terminal dia of 12mm with constant ohmic value surrounded by highly conductive compound with high charge dissipation suitable for following type of applications with chamber and heavy duty cover. (approved make oem has to submit test certificate) & having back filling compound of (b) inner chemical (ccm compound)- resistivity:- 0.2 / meter testing as per iec 62561-2017, voltage drop:- 1 volt at no load & dry form, sulphar content:- 2%(c) back fill compound :- earthing compound should be capable to retain moisture for long time necessary test report must be submitted. (b) for electrical installation up to 11kv in normal soil length of pipe - 2.00 mtrs back filling compound - 1 nos bag of 25 kg., making trench in soft soil of suitable width of 90 cms deep for laying cable or locating the fault all over the run and backfilling the same and making the surface as normal ground., making trench in hard murrum / tar road of suitable width of 90 cm or required depth for laying any size of cable or locating the fault all over the run and back filling the same and making the surface as normal ground., providing & laying approved make isi marked hdpe 6kg / cm2 (class-3) as per is:4984:1995 pe-80 to be erected at road crossing on or floor as directed for laying of cable. the pipes as follow
Tender For corrigendum : design, engineering, fabrication & supply of high pressure retractable type corrosion monitoring systems comprising of tubular electrical resistance (er) probes with transmitters & assembly, retractor tool assembly as per the enclosed job specification. inspection, testing at manufacturer work, packing and supply including all commissioning spares, erection materials, all special tools and tackles including retractor tools and also documentation as per specification, datasheets, special instruction to vendor etc, other codes and standards attached or referred.
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