SCHOOL IMPROVEMENTS SCHEME 2025-2026

Amount

Earth work excavation for foundation in all types of soils and sub soils including soft disintegrated rock and soft rock to the full depth including all leads and lifts etc,.. complete complying with the standard specifications , drawing and as directed by the departmental Engineers.

Plain Cement Concrete 1:4:8 Mix (one part cement, four part sand and eight part of aggrigate) using 40 mm size ISS HBG metal from approved quarry 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 Standard Specifications as per TNDSS No. 28 V, VI (S2) V,VI (S5A) VII

Supplying and Fabricaton of TMT rods including cost of cutting,bending and tying with cost of binding wire including cost and conveyance of all materials and labours charges etc., complete as per standard specification

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 contenet of 325Kg/ cum and maximum water cement ratio of 0.55 including admixture (Plasticiser / super plasticiser) in recommended proportions as per IS 9103 to accelerate, related setting of concrete, improve workability without imparing strength and durability with about (5.0cum), 7730Kg of 20mm machine crushed stone jelly and with about (3.3 cum), 5156kg of 10 - 12mm machine crushed stone jelly and with about (4.79cum) 7670 kg of Crushed Stone Sand (M- Sand), but 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 without claiming extra cost etc., complete complying with standard specification and as directed by the departmental officers -

Steel shuttering with MS Sheets and MS angels including fixing in position with country wood scantlings for drain side walls including cost and conveyance of all materials and all labour charges to site and other incidental charges etc., complete. as per standard specification 86 A & 86 K. a) Square columns

b) Plain surface

Supply and filling well gravel including cost and conveyance of gravel to site stacking them to department gauge for taking pre-measurement etc. complete as per standard specification

Brick work in cement mortar 1:5 (one cement five sand) using best quality country bricks including cost and conveyance of all materials to working site in super sector curing etc. complete. Complying with standard specifications and has directed by departmental Engineers. Including cost and conveyance of all materials to working site etc.

Plastering in Cement Mortar 1:5 Mix (one Cement, Five 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 as per TNDSS No.56 & 57

Plastering in Cement Mortar 1:3 Mix (one Cement, Three sand ) 10mm 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 as per TNDSS No.56 & 57

Supplying and fixing in position of23" size white Orissa pan Indian Water closet of approved quality with S or P trap including fixing the same in position etc., completed.

Weathering Course with Concrete Broken Brick (S.I.No.278) & ( P & D) Data 54.Jelly 20mm gauge in pure slaked lime (no sand to be added) over roof slab,the proportion of brick jelly to lime being '32 to 12.5 well beated with wooden beaters for giving required slope and thickness as directed by the departmental officers etc., complete.-10 cum

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 flushing tank with a pair of CI brackets, etc., complete with all fittings, 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

Supply and Fixing PVC Pipes Including all Cost Etc,.. Complete

Supply and fixing of M.S Grills with Doors and Windows with one coat of Red oxide with Primer including all costs such as welding, grinding and fabrication charges, cost and conveyance of all materials to site etc,complete as per standard specification.

Finishing the top of roof with one course of machine pressed tiles of size 200 mm x 200 mm x 20 mm of approved quality in Cement Mortar 1:3 (One part of Cement and Three part of Plastering Sand (P- Sand)), 12 mm 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 2.25

Paving the floor with Double charged Vitrified tiles of approved quality and colour of size 600x600x8mm thick of approved make, quality and colour in all floors over a base layer of cement mortar 1:3 (One part of Cement and Three part of Plastering Sand (P- Sand)), 20mm thick and laid straight alignment and pointed neatly with colour cement at the rate of 0.40kg/m2 laid without any air gap in the tiles neatly and fixing in position as per standard specifications and as directed by the departmental officer. The colour & quality of tiles should be got approved by Municipal Engineer before use on work

Painting two coats for Exterior surface with approved Exterior Plastic Emulsion paint approved quality and colour over a priming coat, including thorough scrapping, clean removal of dirt, etc complete and including necessary plaster of paris, putty, wherever required etc, complete as per standard specification.

Painting two coats with Ready Mixed Enamel Paint over the new iron works of approved quality and colour without priming coat including the cost all materials etc.,complete, in all floors.

Supply and run of 2 of 4 sq.mm. PVCinsulated Scunsheathed FRLScopperconductorof 1100Vgradein25mmdiaGI pipe (Class 'B') suitably bent at both ends with necessary angle iron upright and end supports for mains SD:70

Supplyandrunof2of4sq.mm. PVC insulated SC unsheathed FRL Scopperconductorof 1100V on 7/20 GIbearer wire for service connection mains SD:65

Wiringwith2x1.5sq.mm. PVC insulatedSCunsheathedFRL Scopperconductorof1 100VgradeinsuitablePVC rigidpipeonwalland ceilingwithPVC accessoriesandwith TWswitchboxand 5AFT switchwithpaintingofsuitablecolour for open PVC light point / fan point (for electronic regulator) (6 points per coil) SD:20

Wiring with2x1.5sq.mm PVC insulatedSCunsheathedFRL Scopper conductor of1100V gradeinsuitable PVCrigid pipe on wall andceilingwithPVC accessorieswith150x100x113mm TWswitchboxfor5A3pinnon inter locking Wall socketwith5Aflush typeswitchwithpainting of suitablec olourwith continuousearth wire connectionof 1.5sq.mm copper wire for open PVC plug point SD:36

supply and fixing of Eectrical material 9 W CFL Bulb

13W Street light CFL Fitting

Wiring with 2x4sq.mm. PVC-insulated SC unsheathed FRLS copper conductor cable of 1100V grade in suitable pipe on wall and ceiling with PVC accessories with 150 mm x 100 mm x 113 mm TW switch box for 15A3 pin on interlocking wall socket with 15A flush type switch with painting of suitable color with continuous earth wire connection of 4sq.mm copper wire for open PVC power plug point SD:39

Supplyandfixingof TNEB meter board suitablefor32A single phase service connection with 32Afuseunit(500V) 32A neutral linkandearthlink(1"x1/8"copper flat)onTWplankofsize375mmx300mmx19mmwithsupporting TW reepersof1" thickaneitherside with paintingwithsuitableboltandnuts for fixingtheTWplankonwallwithearth connection and inter connectionwith 7/20 PVCinsulatedcopperwirefromEBmeter tofuseunitwith1No40Amp 30 MA Double Pole RCD / RCCB (Lower End) with suitable necessary connection SD:126

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

Providing and laying, spreading and compacting graded stone aggregate to Wet mix macadam (WMM) specification including premixing the material with water at OMC in mechanical mix plant carriage to mixed material by tipper to site laying in uniform layers with paver in sub base / base course on well prepared surface and compacting with vibratory roller to achive the desired density complete as per clasue 406 of MORTH specifications.

Supplying and laying Rubberised interlocking Paver block M40 grade Providing and laying of 83mm thick high strength type conforming IS 15658-2006 of rubberized interlocking paver lock in size of minimum compressive strength of 40N/mm2 in uniform shape of approved make to be laid in flurring bone pattern with sand cushion below the uniform shap of approved non skitting surface in the top and the rate including levelling the base preparation of pavers as sub base, sand cushion 100mm thick laying out of pavement cut the pieces to fix the edge vibring the pavers,sweeping tranporting loading unloading of laying paver block as per standard specification,.

G.RAMAR (BID ID -1361940)

G RAJENDRAN (BID ID -1360829)

GOPALAKRISHNAN S G.R.CONSTRUCTION (BID ID -1360844)