Tender For supply of injections - dismantling doors, windows and clerestory windows (steel or wood) shutter including chowkhats, architrave, holdfasts etc. complete and stacking within 50 metres lead :, of area 3 sq. metres and below, dismantling cement asbestos or other hard board ceiling or partition walls including stacking of serviceable materials and disposal of unserviceable materials within 50 metres lead., dismantling wood work in frames, trusses, purlins and rafters up to 10 metres span and 5 metres height including stacking the material within 50 metres lead :, of sectional area below 40 square centimetres, providing and fixing factory made single extruded wpc (wood polymer composite) solid door/window/clerestory windows & other frames/ chowkhat comprising of virgin pvc polymer of k value 58-60 (suspension grade), calcium carbonate and natural fibers (wood powder/ rice husk/ wheat husk) and non toxic additives (maximum toxicity index of 12 for 100 gms) fabricated with miter joints after applying pvc solvent cement and screwed with full body threaded star headed ss screws having minimum frame density of 750 kg/cum, screw withdrawal strength of 2200 n (face) & 1100 n (edge), minimum compressive strength of 58 n/mm2, modulus of elasticity 900 n/mm2 and resistance to spread of flame of class a category with property of being termite/borer proof, water/moisture proof and fire retardant and fixed in position with m.s hold fast/lugs/ss dash fasteners of required dia and length complete as per direction of engineer-in- charge. (m.s hold fast/lugs or ss dash fasteners shall be paid for separately). note: for wpc solid door/window frames, minus 5 mm tolerance in dimensions i.e depth and width of profile shall be acceptable. variation in profile dimensions on plus side shall be acceptable but no extra payment on this account shall be made., frame size 65 x 100 mm, providing and fixing panelled or panelled and glazed shutters for doors, windows and clerestory windows including isi marked aluminium butt hinges of required size with necessary screws inluding, panelling , all complete as per direction of engineer-in-charge., 30 mm thick superior hard neem wood red colour (without white) category-ii chemically treated, providing and fixing factory made upvc glazed/wire mesh windows/ doors comprising of lead free upvc multi-chambered frame, sash and mullion/coupler (where ever required) extruded profiles having minimum wall thickness of 1.70 mm for series r1 and r2 profiles and 2.10 mm for series r3 and r4 profiles conforming to en: 12608 in any shape, colour and design duly reinforced with galvanized mild steel section made of required shape & size as per cpwd specification, upvc extruded glazing beads, interlocks and lnline sash adaptor (where ever required) of appropriate dimension, epdm gasket, hardware, ss 304 grade fasteners of minimum 8 mm dia with countersunk head, comprising of matching polyamide pa6 grade sleeve for fixing frame to finished wall as per is 1367 : part 1 to 14, plastic packers, plastic caps and necessary stainless steel screws etc. profile of frame, sash & mullion (if required) shall be mitred cut and fusion welded/mechanically jointed duly sealed at all corners, including drilling of holes for fixing hardware and drainage of water etc. after fixing frame the gap between frame and adjacent finished wall shall be filled with weather proof silicon sealant over backer rod of approved size and quality, all complete as per approved drawing conforming to cpwd specification & direction of engineer-in-charge. section of steel reinforcement and cross sections of upvc profiles to be as per design approved by engineer-in-charge. wire mesh / glazing of plain/ toughened/ laminated/ double glass unit with / without high performance coatings as per design requirements and conforming to is: 3548 & is: 16231 shall be paid separately. note:- structural design proof checked from a government engineering institute,
Tender For supply of 150 sq mm (red, yellow, blue in equal quantity) electron beam thin walled flexibleelastomericcable with copper conductor for working voltage above 750 volts up to 1.8/3.0 kv
Tender For revamping civil infrastructure - construction of maintenance shed, office room and store in one roof, canteen and providing cement concrete flooring for parking area and in tnstc depot at chidambaram - earth work excavation for foundation (for narrow excavation) in all soils and sub-soils and to full depth as may be directed except in rock requiring blasting inclusive of shoring shuttering, bailing out water wherever necessary and depositing the surplus earth within the compound in places shown by the departmental officers with an initial lead of 10 mts and initial lift of 2 mts. and clearing and levelling the site, etc., complete complying with standard specification., supplying and filling in foundation, basement, etc with filling sand in layers of not more than 15 cm thick well watered, rammed and consolidated etc. complete complying with standard specification and as directed by the corporation officials., supplying and filling gravel in layers of not exceeding 15cm thick including watering well ramming and consolidation etc., complete as directed by the corporation officials., providing and laying, spreading and compacting graded stone aggregates to wet mix macadam 250mm thick specification including premixing the materials with water at omc in mechanical mix plant carriage of mixed material by tipper to site laying in uniform layers with pavers in sub base/base course on well prepared surface and compacting with vibratoy roller to acheive the desired density including cost of material, labour charges,rentals for machinery, fuel and all other incidental charges etc., complete as per clause 406 of morth rev-5 and as directed by the corporation officials., cement concrete 1:5:10 (one cement, five sand and ten hard broken stone jelly) using 40 mm gauge hard broken granite stone jelly for foundation including dewatering wherever necessary and laid in layers of not more than 15 cm thick well rammed, consolidated and curing etc. complete complying with standard specification, plain cement concrete 1:2:4 (one part of cement, two parts of sand and four parts of aggregates) using 20mm hbg jelly for flooring including finishing and supplying and fixing tar pad 12mm thick complete as directed by the corporation officials., supplying, fabricating and placing in position mild steel / ribbed tor steel grills for all rcc works as per design given including cost of steel and g.i. binding wire in all floors etc. complete complying with standard specification. (contractor has to make his own arrangements for the supply of steel and binding wire), reinforced cement concrete 1:2:4 (one cement, two sand and four hard broken stone jelly) using 20 mm gauge hard broken granite stone jelly for all rcc items of works excluding cost of reinforcement grill and fabricating charges, centering and shuttering but including laying, vibrating with mechanical vibrators, finishing, curing, etc. and providing fixtures like fan clamps in the rcc floor / roof slabs wherever necessary and bearing surfaces of walls, beams etc. shall be finished smooth with cement mortar 1:3 (one cement and three sand) and kraft paper laid over it without claiming extra, etc., complete complying with standard specification and as directed by the departmental officers, supplying and erecting steel centering including necessary supports for plane surfaces for reinforced cement concrete works such as column footings, column pedestals, plinth beams, grade beams, staircase steps, etc. which require only nominal strutting using mild steel sheets of size 90cm x 60cm and 10 bg stiffened with welded mild steel angles of size 25mm x 25mm x 3 mm for boarding, laid over silver oak joists of size 10cm x 6.5cm spaced at about 75cm centre to centre or at suitable intervals etc. complete in all floors complying with standard specifcation. (payment for centering shall be given after the concrete is laid), foundation & basement, super structure, brick work using country bricks of size 9" x 4-3
Tender For supply of thin walled flexibleelastomericcable single core with copper conductors for working voltage upto 1.8 kv/3.0 kv as per rdso's spec. elrs/spec/elc/0019, rev-4, size: 25 sq. mm. colour: red, yellow, blue & black in equal quantity.
Tender For supply of 150 sq. mm electron beam irradiated thin walled flexibleelastomericcable (e beam copper cable ,multi stranded ,single core)(,blue ,) thin walled flexibleelastomericcable with copper conductor, above 750v upto 1.8/3.0 kv, as per rdso spec no. elrs/spec/elc/0019, rev-4 or latest .
Tender For supply of thin walled flexibleelastomericcable single core with copper conductors for working voltage 750 volts, size: 2.5 mm2 conforming to rdso spec. elrs/spec/elc/0019, rev-4 of feb 2018.