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Tender For supply of caustic soda flakes, caustic soda lye and nitric acid at different unloading points at main plant, dudhsagar dairy, mehsana and at our chilling centres in gujarat.
Tender For corrigendum : supply of insulating material - supplying of nominal 2.5mm 10% thick electric insulated pvc synthetic elastomer mat confirming to is 15652 : 2006 with reference to is 5216, is 8437 along with suitable adhesive/ chemical bound, pu resin, water proofing compound and sealing material as per is 15652, suitable for class # b up to 11kv ac. technical specifications: 1. class : b suitable up to 11kv switchgear as ( per is 15652 :2006) 2. thickness: 2.50 10% 3. desired length & width: 2.0 mtrs x 1.0 mtr. ( 20mm) 4. dielectric strength: > 44 kv 5. leakage current: below 10 ma. 6. ac proof voltage: 22 kv ac voltage. 7. insulation resistance : >100000 m ohm 8. tensile strength : > 15n/mm2 9. elongation at break : 250 % min 10. composition: a) the insulating mats shall be made from the material- elastomer, free from any insertions leading to the detoriation of insulating properties. b) the upper surface of the insulating mats shall have small aberrations( rough surface without edges) to avoid slippery effects while the lower surface shall be plane or could be finished slip resistant without affecting adversely the di-electric property of the mat. 11. color: without any metallic derivatives. instructions for fixing of insulation sheet 1) special adhesive & bonding material required for fixing or pasting of insulation mat to be supplied by vendor. terms and conditions 1. test certificates for leakage current, di electric strength, ac proof voltage, insulating resistance, tensile strength and elongation will be provided with material as per is 15652 : 2006 2) as per attached indicative qp & pr specifications vendor shall submit quality plan for ntpc approval, pdi shall be done as per approved qp by ntpc. 3) type test report shall be reviewed by ntpc at the time of pdi. all materials to be supplied shall be of type tested design. the contractor shall submit for employers approval the reports of all the type tests as listed in this specification and carried out within last ten years from the date of bid opening. these reports should be for the tests conducted on the equipment similar to those proposed to be supplied under this contract and the test(s) should have been either conducted at an independent govt laboratory or should have been witnessed by a 3rd party client
Tender For bid to ras bid to ras supply of ortho phosphoric acid (sub-grade 1) as per is: 798: 1986 , light solvent naptha is: 1448, (p: 18) - 1991 , trichloroethylene as per is: 245, type-2. (for heavy duty metal degreasing) , sulphuric acid-acid sulphuric tech. 98% conforming to specn. i s: 266- 1977 second rev. & reprinted in oc , hydrochloric acid-hydrocholoric acid as per specn. is: 265-196 2 pure grade having hcl content min. 30%
Tender For repair of various items at ambikanagar library ward 82 - removing the existing cernent plaster of any thickness without causing dust nuisance and stacking the debris upto a distance of 50 metres or spreading in the compound and cleaning the site etc.complete.note: following items to be executed after prior approval of superintending engineer., providing internal cement plaster 12mm thick in single coat in cement mortar 1:4 without neeru finish to concrete or brick surfaces, in all positions including scaffolding and curing etc. complete., removing doors and windows with frames and stacking the materials as directed with all leads, lifts etc. complete., providing and fixing mild steel grill work for windows, ventilators etc. 20 kg/sqm as per drawing including fixtures, necessary welding and painting with one coats of anticorrosive paint and two coats of oil painting complete., providing and fixing solid core flush door shutter in single leaf 32 mm thick decorative type of exterior grade as per detailed drawings approved face veneers 3 mm thick on both faces or as directed, all necessary beads, mouldings and lipping, wrought iron hold fasts, chromium plated fixtures and fastenings, with brass mortise lock, chromium plated handles on bothsides, and finishing with french polish etc. complete., providing and fixing in position. (as per 1.5 * 0.1868 / 1982 ) aluminium sliding window of two tracks with rectangular pipe having overall dimension 63.5 * 38.1 * 1.02 mm at weight 0.547 kg/rmt. and window frame bottom track section 61.85 * 31.75 * 1.2r at weight 0.695 kg/rmt. top and side track section 51.85 * 31.75 * 1.3 mm at weight 0.659 kg/rmt. the shutter should be of bearing bottom 40 * 18 * 1.25 mm at weight 0.417 kg/rmt. inter locking section 40 * 18 * 1.1 mm at weight 0.469 kg/rmt. and handle section 40 * 18 * 1.25 mm at weight 0.417 kg/rmt. and top section 40 * 18 * 1.25 mm at weight 0.417 kg/rmt. as per detailed drawings and as directed by engineer in charge with all necessary aluminium sections fixtures and fastenings such as roller bearing in nylon casting and self locking catch fitted in vertical section of shutter including 5 mm thick plain glass with all required screws and nuts etc, complete. with colour anodising with box., providing and applying two coats of synthetic enamel paint of approved colour to new /old structural steel work and wood work in buildings, including scaffolding if necessary, cleaning and preparing the surface (excluding primer coat) etc. complete., dismantling the r.c.c. work 1:2:4 and sorting out the materials such as steel etc. as directed and stacking them within the specified lead as directed etc. complete., providing and laying cast in situ/ready mix cement concrete m-20 of trap/granite/quartzite/gneiss metal for r.c.c. beams and lintels as per detailed designs and drawings or as directed including centering, formwork, cover blocks, laying/pumping, compactionand roughening the surface if special finish is to be provided and curing etc. complete. (excluding reinforcement and structural steel). with fully automatic micro processor based plc with scada enabled reversible drum type mixer/concrete batch mix plant (pan mixer) etc. complete. with natural sand/v.s.i. quality artificial sand, providing and fixing in position tmt - fe-500 bar reinforcement of various diameters for r.c.c. pile caps, footings, foundations, slabs, beams columns, canopies, staircase, newels, chajjas, lintels pardis, copings, fins, arches etc. as per detailed designs, drawings and schedules. including cutting, bending, hooking the bars, binding with wires or tack welding and supporting as required complete., providing sand faced plaster externally in cement mortar using approved screened sand, in all positions including base coat of 15 mm thick in cement mortar 1:4 using waterproofing compound at 1 kg per cement bag curing the same for not less than 2 days and keeping the surface of the base coat rough to receive the sand face