Corporation Of Chennai Tender

Supplying ribbed tor steel rods upto 16mm dia including cutting cranking fabricating assembling laying in exact position tying with soft steel wire 16 or 18 BWG etc. complete for all RCC Works.

Supplying and erecting centering for sides and soffits including supports and strutting upto 3m high for plane surface such as RCCslab rectangular beams EESupplying and erecting centering for sides and soffits including supports and strutting upto 3m high for plane surface such as RCCslab rectangular beams TEE or L beams lintels bedblocks staircase waists and landing slabs landing beams canopy etc. with all cross bracings using mild steel sheets of a size 90x60cm and 10 gauge stiffended with welded mild steel angles of size 5x25x3mm for boarding laid over silver Oak(Country wood) joists of size 10x6.5cm spaced at about 90cm centre to centre and supported by casuarina props of 10 to 13cm dia spaced at 75cm centre to centre etc. complete.

Supplying and erecting centering for sides and soffits including supports and structting upto 3m high for plane surfaces such as RCC coloumns top and bottom slabs of boxing. sill labs sunshades etc. with necessary facia using mild steel sheets of size 90x60cm and 10 gauge stiffened with welded mild steelangles of size 25x25x3mm for boarding laid over silverOak(country wood) joists of size 10x6.5cm spaced at about 90cm centre to centre and supported by casuarina props of 10 to 13cm dia spaced at 75cm centre to centre etc. complete.

Providing and laying in position ,Standardised Concrete Mix M- 20 Grade in accordance with IS :456-2000,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 m,aximum water cement ration of 0.55, including admixture (Plasticiser/Superplasticier) in recommended proportions as per IS:9103 to accelerate ,retard setting of concrete,improve workability without impairing strength and durability with about (5.0 cum) 7730 kg of 20 mm machine crushed stone jelly and with about (3.3 cum) 5156 kg of 10-12mm machine crushed stone jelly and with about (4.79 cum) 7670 kg of sand, nut excluding cost of reinforcement grill and fabricating charges,centering and shuttering and also including laying,vibrating with mechanical vibrators,finishing,curing,etc and providing 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 Standrands.(No separate payment will be made by the Department for the excess usage of materials)

SOLID BLOCKS 40X20X20 CM Supplying and fixing Solid Blocks of following size confirming to S.S. 2145-1965 (including jam blocks closers etc.) made in CC 1:3:6 (One Cement Three Sand and Six HBSJ 6 mm) in CM 1:5 (one cement and five sand),for masonry wall partition wall including curing neat finishing etc. complete

Supplying and fixing of M.S.Grills Windows/Verandah/Ventilator s Grill of standard rectangular designusing 25mmx10mm M.S.Flats for outer frame and 20mmx5mm M.S.Flatsfor inner frame and for inner grill portion.The Vertical grillspacing should be 9.6cm. The centre portion spacing in between twogrills should be 14.5cm. 10 Nos of hold fasts of size 25mmx10mm forfixing the grill for Verandah and 8 Nos of hold fasts of size25mmx10mm for fixing the grill for Windows in the wall includingone coat of primer etc.complete. (As per sketch enclosed) andalso as directed during execution..

For making and fixing M.S.Sheet Door of required size with two shutter using necessary M.S.Angles 50x50x6mm/40x40x6mm "L" Angles as diagonal Bracings 4Nos. for each shutter and centre Bracings for 1No.for each shutter. M.S.Flats 25x6mm/40x6mm and M.S.Sheet 1.25mm thick (18 gauge) and providing hinges welded with M.S.Angles 50x50x6mm bits at three places at equal intervals on both sides Latches 25cm size length for locking arrangements providing 12mm dia. M.S.Rod running through the hinges on both vertical side for easy swining purpose of doors including one coat of pFor making and fixing M.S.Sheet Door of required size with two shutter usingnecessary M.S.Angles 50x50x6mm/40x40x6mm "L" Angles as diagonal Bracings 4Nos. for each shutter and centre Bracings for 1No.for each shutter. M.S.Flats 25x6mm/40x6mm and M.S.Sheet 1.25mm thick (18 gauge) and providing hinges welded with M.S.Angles 50x50x6mm bits at three places at equal intervals on both sides Latches 25cm size length for locking arrangements providing 12mm dia. M.S.Rod running through the hinges on both vertical side for easy swining purpose of doors including one coat of primer cutting iron members welding fixing door in position etc. complete as directed during execution (as per design drawing enclosed).(Materials to be used with relevent ISI STD)..

Plastering with cement mortar 1:4 (1 cement and 4 P sand)12mm thick including curing, etc., complete.

Supplying and fixing in position best Indian type water closet 51cm of superior quality and approved make white glazed earthernware with P or S trap and a pair of porcelin footrest and forming flooring alround water closet using 40mm size broken brick jelly concrete in C.C1:4:10(1 cement 4 river sand and 10broken brick jelly) and sand filling around the closet including finishing the surface with C.M.1:3 ( 1 cement and 3 river sand) 20mm thick including making good all the disturbed portions etc. complete.

Supplying and fixing 15x10cm stoneware gully with P or S trapwith 15x15cm C.I.grating and 10cm dia S.W.bend including 40mm size brick jelly concrete in C.M.1:4:10 ( 1 cement 4 river sand and 10 broken brick jelly 40mm gauge) 10cm thick alround the gully 11cm thick wall with stock brick work in C.M.1:4 ( 1cement and 4 river sand) upto ground level and plastering with C.M.1:3 (1 cement and 3 river sand) 12mm thick for gully silt pit of size 15x15cm etc. complete

Supplying and paving second quality colour glazed tiles 30x20cm x 6 mm with relevent ISI STD size of approved make set in C.M. 1:3 (1 cement and 3 river sand) 20mm thick and pointing with same colour cement polishing clearing etc. complete..

Providing and laying first quality Vertified tiles of all colours of size 605mmx605mmx9.6mm in cm 1:3, 12mm thick including pointing with white cement. Labour, Materials, etc. (Relevent ISI std)