Operation and maintanance scheme 2023-2024

Amount

Earth Work Excavation for foundation in all types of soils and sub soils to full depth (such as Soils in Rock / Silt / Light Black Cotton Soil / Ordinary Soil ) except in rock requiring blasting but inclusive of shoring, shuttering and bailing out water wherever necessary and refilling the sides of foundation with excavated earth other than sand in layers of 150 mm thick well rammed and consolidated, depositing the surplus earth in places shown by the Departmental Officers with initial lead of 10 m and initial lift of 2 m. Complete as per TNSS 23 & 24, V, VI (S2), VII, 9,10

Plain Cement Concrete of mix 1 : 4 : 8 (One part of Cement four part of sand eight part of aggregates) using 40mm gauge hard broken including cost conveyance of all materials to site including formwork and centering labour charges, transporting and placin

Supplying and erecting centering for sides and soffits including supports and strutting upto 3.00m height for plane surface such as RCC Slab, Rectangular Beams, Tee (or) ELL Beams, Lintel Bed Block, Slabs, Landing Slabs, Beams Canopy, Side Slab (or) Square (or) Round columns etc., as detailed below with all cross branching using M.S. Sheets of size 80cm x 60cm and B.G. 10 stiffended with welded M.S. Angles of size 25 x 25 x 3mm for boarding laid over silver oak or country wood joints of 10cm to 30cm to dia spaced at 75cm c/c etc., complete complying with standard specifications as directed by departmental officers etc., complete.

RCC.1:1 ½ :3 (one cement and one and half sand and three aggregates) using 20mm HBGS excluding cost of reinforcement, centering, shuttering strutting, but including cost of mixing concrete, placing, vibrating with mechanical vibrator, finishing, curing etc., complete.

Supply to steel with fabrication including cost and conveyance of all materials to site and all charges etc., complete for R.C.C.Works

Brick work in CM 1:5 (one cement & five sand) using II class ground moulded bricks of size 9"X43/8"X 23/4" standard specification including finishing, curing,etc., complete complying with standard specification 31 & Similar to 31C V, VI (S5) VII

Floor finishing with fully vitified tilles using best quality of fully vitified tiles of size 60cm x 60cm x 6mm over the base plastering cement mortar 1:3 mix, 20mm thick pointing with using white cement 4kg/10sq.mt. inculing cost and conveyance of all materials and all labour charges. Etc. complete.

Rubberised Interlocking Paver Block M40 grade providing and laying of 63mm thick heigh strength type confiriming IS 15658 - 2006 of Rubberised Interlocking Paver Block in required size of mininmum compressive strength of 40N/mm2 in uniform shape of approved make to be laid in flumying bore pattern with approved nin - sticking surface in the top and the rate including levelling the base cushion 150mm thick laying out the pavement cut the pieus to fit edge, vibrating pavers, sweeping transporting leading unloading as per standard specification..

Plastering in Cement Mortor 1:5 Mix (one part of Cement,, five part of sand)12mm thick including cost and conveyance of all materials to site, loading and unloading charges and labour charges for mixing, laying and curing etc. complete. Complying with std. specifications.TNDSS NO: 56, 57

Supplying and Painting the new plastered walls with two coats of Exterior emulsion paint (weather proof ) first class quality and of approved colour over a priming coat including thorough scrapping clean removal of dirt etc. complete and including necessary plaster paris putty etc. wherever required.as per (ISI STD) (It mustprovide excellent resistance against the growth of algae and fungi on the walls. And it must offer excellent protection against alkali and UV degradation and the durability period should be 5 years. 61 V, VI (S4) 3

Painting the old iron works such as steel doors, Windows,Ventilators windows bars,balustrades etc, in all floor with two coats of best approved first quality and colour of synthetic enamel paint of approved quality, colour and brand (to be approved by executive engineer before use on works ) over one the existing red oxide priming coat in all floors excluding cost of priming coat etc, complete complying with Standard Specification. ( The Make, Quality and colour of paint should be got approved by the engineer in charge before use on works ) ( TNSS NO or NBC No 61 V VI (54) 3)

Painting Old wood work with two finishing coats of synthetic enamel ready mixed paint of approved quality and colour over one coat priming coat in all floors including the cost of primer etc., complete complying with standard specification. (The make, quality and colour of paint should be got approved by the Executive Engineer before use on works.)

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 iron sheets with the following specification. The materials should be of PPGI tile profile with a red colour or any other approved design 0.47mm 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.

Dimandling weathering couse,Pressed Tiles inculing cost and conveyance of all materials and all labour charges. Etc. complete.

Weathering course concrete with broken brick jelly of 20 mm gauge in pure slacked lime ( no sand to be added) over roof slab the proportion of brick jelly to lime being 32 to 12.5 by volume and laid over In a single layer and consolidated require designed and finished thickness by beating the concrete with wooden beaters of approved pattern , keeping the surface constantly welded springing lime jiggery water asper standard specification and as directed by the departmental officers.

Finishing the top of flooring with granolethic floor finish in cement concrete 1:2:4 mix using 10-12mm ISS metal to 25mm thick including cost and conveyance of all materials to site and all labour charges for mixing, laying, curing etc complete

Supplying and fixing in position best quality and approved make Indian made white / colour glazed earthernware wash hand basin of size 550 x 400mm (with pedestal / without pedestal) with a pair of cast iron brackets, including cost 15mm dia brass CP pillar tap, 32mm dia "B" class GI waste pipe with rubber plug and chain, 15mm dia GM wheel valve, 15mm brass nipple, 15mm dia nylone connection, 32mm dia CP brass waste coupling including fixing of wash basin using CI brackets on to the wall in position with TW plugs and screws, rubber washers, white lead and giving necessary water supply connection and painting the brackets with two coat of painting over a priming coat of anti-corrosive paint including testing for leakages etc., complete complying with standard specification and as directed by the departmental officers. (The wash hand basin and specials should be got approved by the Executive Engineer before use on works).

Supplying and fixing in position indian make bewelled edge mirror of approved quality and brand of size 600 X 450mm wth necessary plastic back, PVC frame with bottom stand of approved colour with brass screws,rawal plugs etc., complete complying with standard specifications.

Supplying and fixing best approved quality Brass C.P / Al anodised Towel rail 600mm. long and 20mm Diameter with brackets of same material including cost of Teak-Wood plugs and C.P.Screws etc., complete complying with standard specifications

Wiring with 2 x 1.5 sqmm (22 /0.3 ) PVC insulated single core unsheathed copper conductor cable of 1100V grade in suitable PVC rigid pipe concealed in wall and ceiling with PVC accessories inflush with wall with 3mm thick hylum sheet cover with TW switch box and 5A F.T. switch with continuous earth wire connection of 14 SWG TC wire for making good of the concealed portion with suitable colour for PVC concealed light point / Fan point (For Electronic regulator). etc, complete as per standard specifications. SD 23

Supply and fixing of single box type 4'36 W flu fitting complete with copper choke and condensor with TW round blocks on wall or ceiling with flu tube with PVC unsheathed Copper leads from terminals to the fitting etc, complete as per standard specifications SD 87

Supply and fixing of 2000 lit HDPE Tank ISI make with all accessories such as Tank Nipple, Washer etc,including cost and conveyance of all materials to site etc, complete as per standard specifications. TWAD page No ; 89

Jadeswamy