Maintenance and repair works at Corporation Elementary Schools at Panaimarathur and Agri Campus, Ward No. 74, West Zone

Earth work excavation in all kinds of soil including sand, silt, wet sand under water, black cotton, stiff black cotton, clay, hard stiff clay, hard red earth, murram, stoney earth, gravel and shales etc. excepting all kinds of rock and boulders exceeding 0.014 c.u.m. in volume including rough dressing and dumping the excavated materials away from work site manually within 50m initial lead and 2m initial lift as per the direction of Engineer-in-charge.

Cement concrete 1:4:8 (one cement, four sand and Eight aggregate) using 40mm gauge hand broken granite stone jelly for foundation including dewatering if found necessary and laid in layers of not more than 15 cm thick and compacted, etc., complete complying with standard specification.

Supply and filling with well gravel layer by layer including watering, Ramping etc complete

Supply and fabrication of R.T.S. rods in various dia including cutting bending placing in position and tying etc.

Supplying and erecting centering for sides soffits including supports and strutting upto 3.29m high for plain surface such as rectangular column top and bottom slabs of boxing, sill, slabs, sun shade etc., in all floors using mild steel slabs of sizes 90cm x 60cm and BG 10 stiffened with welded mild steel angles of size 25X25x3mm for boarding laid over country wood joists of size 10cm X 6.5cm spaced at about 90cm C/C and supported by casurina props of 10cm to 13cm dia spaced at 75cm C/C etc., complete as directed. Sl.No.123 C Part-II

Cement concrete 1:1.5:3 (one cement, one and a half sand and three aggregate) using 20mm gauge hard broken granite stone jelly for All RCC items of work excluding centering, shuttering, and cost of reinforcement grill but including curing finishing etc., complete and also including fixing fan clamps and fixtures in RCC works wherever necessary as directed by departmental officer etc., complete.

8.Fly ash Brick work in CM 1:5 (one cement & five sand) using size 9"X4 3/8"X 2 3/4" including finishing, curing, etc., complete complying with standard specification - 100CFT

Manufacturing supplying and fixing of MILD STEEL DOOR made out of 50 x 50 x 6 mm M.S angle for outer frame,35 X 35 X 5mm M.S.Angle for outer frame of shutter. The entire shutter area shall be covered with CRC sheets (18 G) with 5Nos, of stiffners using M.S.Flats of size 25 X 6mm at equal intervals horizontally. The corners of the frames and shutter with CRC sheets shall be welded by adopting flash butt welding or any other suitable method. Provision towards 3Nos, of Hinges incase of single shutters / 6Nos,of Hinges incase of Double shutters of 125 X 31 X 1.25mm size placed at appropriate intervals and provisions shall be made for Tower bolts 2Nos, Aldrop 1No. The frame shall be provided with 6Nos,of Hold fast of 200mm length using 50 X 6mm M.S.Flat. The entire frame and shutter shall be provided with one coat of red oxide primer including cost of hold fasts,hinges, locking arrangements, handles wind appliences etc., complete and as directed by the departemental officers.

Supplying, fabricating, erecting structural steel work for roofing welded or bolted type using MS channels, angles, plates and round bars etc. conforming to IS specification including primer coating and enamal painting as per Design given by the departmental officers etc, complete as per standard specification

Fabricating supplying and fixing of pre painted galvanium colour sheets with the following specification. The materials should be of PPGI tile profile with a red colour or any other approved design 0.47 mm thick 24 guage having width 1050 mm. The sheet should be G.I.base pre painted hot dipped galvanized iron sheet and to be fixed with shelf tapping screws,plastic washer.The washer and screws to be fixed by using minute power machine drilled with out damaging the sheets paint coating to be regular modified polyster coat with zinc coating of Z 120 GSM paint thickness the finish should be terra cotta finish like malabar mangalore tiles finish optional matt finish. The sheet to be fixed with making suitable corrugated,cutting the sheet in to the required ssize and making ornamental designs as per the site condition and as directed by the departmental officers.

Plastering with cement mortar 1:3 mix (one cement and five sand) 12mm thick

Plastering with cement mortar 1:5 mix (one cement and five sand) 12mm thick

Flooring with scratch proof Ceramic Tiles of approved quality and colour of size 305x305x6mm in all floors over 20mm thick cement mortar 1:3 (One cement and three sand) base above the existing bed concrete and pointed with same color cement added.

Daddoing the walls with first quality approved colour glazed tiles with printed design of 150X150X6 mm laid in cement mortar 1:2 mix to 10mm thick and painting with white cement using 0.40 kg/1m2 including finishing the jointing and painting flush with tiles surface etc., complete - 10 m2

Solid PVC Door with frame Shutters using 19 Gauge 19mm MS square tubes for styles and outer frames. 15mm MS square tubes for top, lock and bottom rails. The steel tubes shall be covered with 5mm thick solid PVC Sheets. Shutter using 5mm thick solid PVC Sheets for panelling shall rigidly fixed in position including necessary furniture and fittings. The over all size of styles shall be 50mm x 30mm. The over all size of top rail, lock rail and bottom rail shall be 75mm x 30mm. The over all size of frames shall be 50mm x 45mm with suitable rabate for housing the shutter

Painting two emulsion paint two coats over a priming coat including through cleaning, scrapping, removal of dust and including necessary plaster of paris putty works wherever required etc., completed.

Painting new iron work for doors, windows, grills, weld mesh sceens etc., two coats etc complete

Wiring with 2 x 1.5 sq.mm. (22 / 0.3 ) PVC insulated single core unsheathed copper conductor cable of 1100V Grade in suitable PVC rigid pipe on wall and ceiling with PVC accessories and with TW switch box and 5A FT switch with painting of suitable colour with continuous earth wire connection of 14 SWG TC wire for open PVC light point / fan point (for electronic regulator) SD-16

Wiring with 2 x 1.5 sq.mm. (22 / 0.3 ) PVC insulated single core unsheathed copper conductor cable of 1100V grade in suitable heavy gauge MS conduit pipe on wall and ceiling with MS accessories in flush with wall with 150mm x 100mm x 75mm MS switch box with 3mm thick hylum sheet cover for 5A 3pin non interlocking CS plug with continuous earth wire connection of 14 SWG TC wire and making good of the concealed portion with suitable colour for concealed plug point SD-12

Wiring with 2 x 4 sq.mm. (56 / 0.3) PVC insulated single core unsheathed copper conductor cable of 1100V grade in suitable heavy gauge MS conduit pipe concealed in wall and ceiling with MS accessories in flush with wall with 150mm x 100mm x 75mm MS switch box concealed type with 3mm thick hylum sheet cover for 15A 3 pin flush type non interlocking CS plug with continuous earth wire connection of 14 SWG TC wire and rnaking good of the concealed portion for concealed power plug point SD-15

Supply and fixing of WT bulk head fitting with guard suitable for 15 W LED Bulb SD-15

Supply and fixing of single box type 4'40W fluorescent fitting complete with copper choke and condensor with conduit pipe suspension from the ceiling with PVC unsheathed copper leads from terminals to the fitting with tube SD-89

Supply and fixing of 1200mm (48") sweep AC ceiling fan complete with stepped electronic 300W regulator with 1 metre down rod with fan clamp with side plates and cross arm of size 450mm (18") SD-106

Supply and fixing of ceiling fixture 250 / 300mm complete with gallery etc clear glass Opac / Crystal suitable for 40W / 60W bulb with bulb SD-86

Supply and run of 2 of 4 sq.mm. (56 / 0.3) PVC insulated SC unsheathed copper conductor of 1100V grade insuitable heavy gauge MS conduit pipe concealed in wall and ceiling with continuous earth wire connection by 14 SWG TC wire and making good of the concealed portion wiith suitable colour

Old Terrace tile surface repair with UV Resistant hybrid waterproofing coating - Providing and Applying Polyurethane hybrid liquid applied GRIHA certified Waterproofing coating with flutyne protection technology, single component, cold applied, water based acrylic and UV resistant water proofing treatment to the Existing Roof having Tile or any non-porous surface applied @ 1.5 l/m2 in 2 coats to achieve 1mm DFT, having tensile strength with 45 gsm glass fibre mesh 4N/mm2 confirming to ASTM D 412; Elongation at break ≥ 300% and Crack bridging ability up to 3mm, SRI Index 106 as per ASTM E 1980- 01, Water permeability @5 bar – Nil as per EN12390 - 8:2019, including surface preparation, priming the surface with single component high-performance waterborne tile primer which is suitable for non - porous surface at a rate of 0.14 L/m2 and spreading 45 gsm glass fibre mesh of 2.5 mm x 2.5 mm sandwiched between the first and second coat completely as per specification. The finished cost to include surface preparation, making coving at Junction, treatment of cracks completely as per specification.

Supplying and fixing in position Indian water closet of size 580 X 440mm, white glazed earthen ware of approved quality with 'P' trap or 'S' trap confirming to IS:2556 - Part XII with sand cushion and forming flooring alround the closet using 40mm broken brick jelly in lime concrete 1:2:5 ( one part of lime, two parts of sand and five parts of brick jelly) 100mm thick and finishing the top to required slope and including giving necessary connection to cast iron soil pipes/ PVC pipes by dismandling brick masonry, reinforced cement concrete roof/floor slab and making good the disturbed portion to original condition without leakage etc., complete complying with standard specifications and as directed by the departmental officers.

Supplying and fixing in position White / Colour Glazed Model Floor Mounted European Water Closet of best quality and approved make with 100mm “P” or “S” trap connecting with CI pipe of 100mm dia / PVC pipe of 110mm dia, double flapped rigid PVC black seat and seat cover with CP brass hinges including cost of white cement, cement for packing, spun yarn, teak wood plugs, brass screws, etc., including supplying and fixing 10 liters capacity PVC / 12.5 liters capacity porcelain low level such as, 15mm brass ball valve with polythene float with brass handle, union coupling connected by means of 40mm white PVC flush hand using Indian adopter joint including all internal fittings, such as, 15mm bras connections, 15mm GM wheel valve, 15mm brass nipple (2 Nos.), 15mm nylon connection, TW plugs, screws and also giving necessary connection to the PVC pipe and painting the CI brackets with 2 coats of approved paint over one coat of red oxide primer, dismantling the masonry and re-doing the dismantled masonry to original condition, etc., complete complying with standard specifications. (The EWC and flushing tank with all accessories should be got approved by the Executive Engineer before use on works) Floor Fitting

S/F in position of Indian Make White/Colour glazed earthen ware lipped mouth Flat Back Urinal of best approved quality with G.I.Pipe connection to suitable length,32mm bell mouthed P.V.C connection ,15mm dia G.M.Wheel valve,fixing the urinal to the wall in position with necessary T.W.plugs ,clamps,screws, shellac etc.,including dismantling masonry if necessary and redoing the same to original condition ,fixing the 15mm dia. G.I.pipe connection and wheel valve ,painting the pipe with two coats of approved paint over one coat of primer and checked without any leakage complete, complying with standard specifications. - White Colour

30. Supply and delivery and fixing of HDPE tank as per IS 12701 / 1996 including loading, unloading, transportation and labour charges for fixing of the GI pipes and specials for pipe connection works including cutting, threading and fixing charges etc.,