tender for improvement and additional facilities at 6 nos of ohts in tirukovilur municipality.; 1 earth work excavation for foundation by manual means for isolated, combined and other type foundations 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 2.00mts. and clearing and levelling the site, etc., complete complying with standard specification and as directed by the departmental officers. 2 earth work open excavation by manual means 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 excavated earth with a lead of 10 mts. within the compound in places shown by the departmental officers and clearing and levelling the site, etc., complete complying with standard specification and as direct-ed by the departmental officers. 3 supplying and filling in foundation, basement, etc with filling crushed stone 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 departmental officers. 4 cement concrete 1:5:10 (one cement, five crushed stone 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 including curing etc. complete complying with standard specification and as directed by the departmental officers -mixing by mechanical means 5 supplying and filling in foundation, basement, etc with conveyed earth in layers of not more than 150mm thick layers well watered, rammed with surface vibrator and consolidated including conveyance charges etc. complete complying with standard specification and as directed by the departmental officers. 6 plain cement concrete 1:2:4 (one cement, two crushed stone sand and four hard broken stone jelly) using 20mm jelly for wearing coat including laying, compacting, finishing and curing, etc., complete as per standard specificatins and as directed by the departmental officers.-mixing by mechanical means 7 brick work in following cement mortar using best quality burnt clay brick of size 9” x 4 3/8” x 2 3/4” with class designation of 7.5 conforming to is 1077-1992 for foundation and basement including cost of mortar plasticizer curing, etc.,complete complying with standard specification and as directed by the departmental officers. brickwork shall be done as per is 2212-1991 adopting english bond generally.other type of bond shall be done as directed by the executive engineer in charge. upto basement 8 brick work in following cement mortar using best quality burnt clay brick of size 9” x 4 3/8” x 2 3/4” with class designation of 7.5 conforming to is 1077-1992 for foundation and basement including cost of mortar plasticizer curing, etc.,complete complying with standard specification and as directed by the departmental officers. brickwork shall be done as per is 2212-1991 adopting english bond generally.other type of bond shall be done as directed by the executive engineer in charge. ground floor 9 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, sill slabs 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 with silver oak joists of size 10cm x 5cm & 7.5cm x 5cm as support runner , vertical stiffener, side support and top horizontal stiffener spaced at about 60cm to 90cm 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). 10 supplying and erecting centering for plane surfaces such as rcc floor slab, roof slab, loft, landing slabs, etc with necessary supports and strutting upto 3.60m height in all floors with all cross bracings using ms sheets made of 10 gauge thick welded with ms angle of size 25mm x 25mm x 3mm for boarding laid over steel adjustable span of size 2m x 2m (expandable upto 3.60m) and supported by steel adjustable telescopic props of size 2m x 2m (expandable upto 3.60m) made with outer steel pipe with dia 50mm (3.60mm thick) and inner steel pipe with dia 40mm (2.90mm thick) , etc complete complying with standard specifications. steel adjustable span and steel adjustable telescopic props shall be provided as directed by the departmental officers. (payment for centering shall be given after the concrete is laid). 11 supplying and erecting steel centering including necessary supports for plane surfaces such as rectangular or square rcc columns etc. which require only nominal strutting using mild steel sheets made of 10 gauge thick welded with ms angle size 40mm x 40mm x 5 mm and supported by steel adjustable telescopic props of size 2m x 2m (expandable upto 3.60m) made with outer steel pipe with dia 50mm (3.60mm thick) and inner steel pipe with dia 40mm (2.90mm thick).etc..complete in all floors complying with standard specifcation. steel adjustable telescopic props shall be rovided as directed by the departmental officers. (payment for centering shall be given after the concrete is laid). 12 providing and laying in position, standardised concrete mix m-20 grade by insitu machine mix concrete adopting weighing batch method in accordance with is 456 using 20mm and down graded hard broken granite stone jelly for all rcc items of works with minimum cement content of 325 kg/m3 and maximum water cement ratio of 0.55, including admixture (plasticiser / super plasticiser) in recommended proportions as per is:9103 to accelerate, retard setting of concrete, improve workability without inspiring strength and durability with about (5 cu.m) 7730 kg. of 20mm machine crushed stone jelly and with about (3.3 cu.m) 5156 kg. of 10-12mm machine crushed stone jelly and with about (4.79 cu.m) 7670 kg. of crushed stone sand, but excluding cost ofreinforcement grill and fabricating charges, centering and shuttering and also including laying,vibrating with mechanical vibrators, finishing, curing, etc. and providing fixtures like fan clamps in the rcc floor/ roof slabs wherever necessary without claiming extra, etc.,complete complying with standard specification and as directed by the departmental officers. the coarse and fine aggregates to be used should comply with the requirements of is standards. (no separate payment will be made by the department for the excess usage of materials). upto basement 13 providing and laying in position, standardised concrete mix m-20 grade by insitu machine mix concrete adopting weighing batch method in accordance with is 456 using 20mm and down graded hard broken granite stone jelly for all rcc items of works with minimum cement content of 325 kg/m3 and maximum water cement ratio of 0.55, including admixture (plasticiser / super plasticiser) in recommended proportions as per is:9103 to accelerate, retard setting of concrete, improve workability without inspiring strength and durability with about (5 cu.m) 7730 kg. of 20mm machine crushed stone jelly and with about (3.3 cu.m) 5156 kg. of 10-12mm machine crushed stone jelly and with about (4.79 cu.m) 7670 kg. of crushed stone sand, but excluding cost ofreinforcement grill and fabricating charges, centering and shuttering and also including laying,vibrating with mechanical vibrators, finishing, curing, etc. and providing fixtures like fan clamps in the rcc floor/ roof slabs wherever necessary without claiming extra, etc.,complete complying with standard specification and as directed by the departmental officers. the coarse and fine aggregates to be used should comply with the requirements of is standards. (no separate payment will be made by the department for the excess usage of materials). ground floor 14 supplying, fabricating and placing in position mild steel / ribbed tor steel reinforcement grills of all variety like hysd/ctd/tmtand all grade like fe 500, fe550d, fe 500 d etc., for all rcc works as per design given including cost of steel reinforcement and g.i. binding wire, wastage etc. complete complying with standard specification and as directed by the departmental officers.(contractor has to make his own arrangements for the supply of steel reinforcement and binding wire) 15 special ceiling plastering and finishing the exposed surface of all rcc items of work such as slabs, beams, sunshades, facia, canopy slab, staircase waist slab, landing slab etc., with cement mortar 1:3 (one cement and three plastering sand) 10mm thick including mortar plasticizer at 200ml per 50kg of cement used , hacking the surfaces and curing, etc., in all floors complying with standard specification and as directed by the departmental officers 16 plastering with cement mortar 1:5 (one cement and five plastering sand), 12mm thick in all floors including mortar plasticizer at 200ml per 50kg of cement used, curing etc. complete complying with standard specification and as directed by the departmental officers. 17 providing granolithic floor finish of the following thickness with plain cement concrete 1:2:4 (one cement, two crushed stone sand and four aggregate) using 6 to12mm gauge hard broken stone jelly including laying, finishing and the top rubbed smooth with power trowel, thread lining, curing etc. complete complying with standard specification and as directed by the departmental officers. (the rate is inclusive of necessary planking for panelling wherever necessary and as directed by the departmental officers) 18 supplying and fixing mild steel grills for windows, ventilators etc.,complete complying with standard specifications and as directed by the departmental officers. 19 supplying and painting the walls with two coats of cement paint as instructed by the departmental officers including preparation of surface curing, etc., complete in all floors complying with standard specifications and as directed by the departmental officers. (the colour and shade of the cement paint shall be got approved by the executive engineer before use of work). 20 supplying and painting the walls with two coats of oil bound distemper over one coat of water based cement primer including cost for distemper, primer, cleaning and scrapping the walls, rendering the walls smooth with necessary putty, brushes, scaffolding arrangements, labour charges, etc., as per standard specification and as directed by the departmental officers. (the colour and shade of the distemper shall be got approved by the executive engineer before use of work) 21 painting old iron works such as steel doors, windows, ventilators, window bars, balustrades etc., with two coats of best approved first quality and colour of synthetic enamel paint in all floors etc., complete complying with standard specification and as directed by the departmental officers.(the make, quality and colour of paint should be got approved by the executive engineer before use on works.) 22 painting new iron works such as steel doors, windows, ventilators, window bars, balustrades etc., with two coats of best approved first quality and colour of synthetic enamel paint over the existing red oxide priming coat in all floors excluding cost of priming coat etc., complete complying with standard specification and as directed by the departmental officers. (the make, quality and colour of paint should be got approved by the executive engineer before use on works.) 23 supply and delivery fabrication of ms doors and windows with outer frame and shutter frame in ms angle of size 40mm x 40mm x 6 mm with ms flat 25mm x 25mm x 6mm and ms sheet of 18 gauge including ventilating arrangements using 20mm square ms rods with locking arrangements including two coats of approved enamel paint over coat of red oxide including cost of angles, plates, sheets, fabrication charges, cost of hold fast and transportation charges etc., complete. door 1.00x 2.10 24 supply and delivery fabrication of ms doors and windows with outer frame and shutter frame in ms angle of size 40mm x 40mm x 6 mm with ms flat 25mm x 25mm x 6mm and ms sheet of 18 gauge including ventilating arrangements using 20mm square ms rods with locking arrangements including two coats of approved enamel paint over coat of red oxide including cost of angles, plates, sheets, fabrication charges, cost of hold fast and transportation charges etc., complete. window 0.90 x 1.20 25 finishing the top of roof with one course of machine pressed tiles of following size of approved quality set in cement mortar 1:3 (one cement and three crushed stone sand) 12mm thick mixed with water proofing compound conforming to iss at 2% by weight of cement used and the joints pointed neatly to full depth of tiles with the same cement mortar mixed with red oxide and water proofing compound including curing etc., complete complying with standard specification and as directed by the departmental officers 26 manufacturing, supplying and fixing 75mm thick precast reinforced cement concrete slabs of following thickness in rcc 1:2:4 (one cement, two crushed stone sand and four aggregates), using following hbgs jelly excluding cost of reinforcement steel in position but including cost of moulding charges, casting of slab, finishing, curing and fixing in position in all floors etc., complete complying with standard specification and as directed by the departmental officers. 27 supply and deliverey of g.i & c.i pipes and specials including lobours charges etc.., 150 mm d.i pipe 28 150 mm g.i tee 29 150 mm g.i flange set 30 150 mm g.i bend 31 150 mm rubber sheet for flange set 32 wiring with 2 x 1.5 sq.mm. pvc insulated unsheathed frls sc copper conductor of 1100v grade in suitable pvc rigid pipe on wall and ceiling with pvc accessories with tw switch box with 5a ft switch inflush with wall covered with hylem sheet of 3mm thick with painting of suitable colour for open pvc light point / fan point (for electronic regulator) sd 21 33 wiring with 2 x 1.5 sq.mm pvc insulated sc unsheathed frls copper conductor of 1100v grade in suitable pvc rigid pipe on wall and ceiling with pvc accessories with 150 x 100 x 113mm tw switch box for 5a 3 pin non inter locking wall socket with 5a flush type switch with painting of suitable colour with continuous earth wire connection of 1.5 sq.mm copper wire for open pvc plug point (sd no: 36) 34 supply and fixing of 16a dp switch with metal clad of 500v with fuse and neutral (side handle) on suitable tw box pwd earthing (sd. no 146) 35 supply and run of 2 of 2.5 sq.mm pvc insulated sc unsheathed frls copper conductor of 1100 v grade in 25mm dia gi pipe (class b ) suitably bent at both ends with necessary angle iron upright and end support for service connection mains [ sd 364 ] 36 supply and fixing of tneb meter board suitable for 32a single phase service connection with 32a fuse unit (500v) 32a neutral link and earth link (1 x 1/8 copper flat) on tw plank of size 375mm x 300mm x 19mm with supporting tw reepers of 1 thick an either side with painting with suitable bolt and nuts for fixing the tw plank on wall with earth connection and inter connection with 7/20 pvc insulated copper wire from eb meter to fuse unit with 1 no 40 amp 30 ma double pole rcd / rccb (higher end) with suitable necessary connection sd 125 37 supply anf fixing of 18w 4 feet led fitting with led fitting including all cost and charges etc., complete complying with standard specification. pwd sor pg. no. 168 sl. no.15 m-1272 38 supply and fixing of 30w led street light fitting with led (higher end) with 25 mm dia. gi pipe (class b) with 1 no. 25 mm dia gi bend complete on the existing post/ on wall with pvc unsheathed frls copper leads with ms clamps and with painting . sd 454 39 goods and service tax @ 18% please enable macros to view boq information