SCHOOL IMPROVEMENT GRANT WORKS 2023-24 - Construction of Toilet at Girls Higher Secondary school in Thiruvaiyaru TP

Boring, providing and installing Bored cast-in-situ reinforced cement Concrete pile of specified diametre and length below the pile cap in cement concrete 1 :1.5:3 ( 1 cement, 1 .5 Coarse sand,& 3 graded stone aggregate of 20 mm nominal size) to carry a safe working load not less than specified, excluding the cost of steel reinforcement than specified, excluding the cost of steel reinforcement but including Bentonite solution machinery charges labour chargres etc.,all complete.

Earthwork excavation for foundation in all soils and sub soils in hard stiff clay, stiff black cotton, hard red earth, shales, murram, gravel, stoney earth and earth mixed with small size boulders and to full depth as may be directed,except in hard rock,requiring blasting including shoring and shuttering and bailing out of water wherever necessary,refilling the sides of foundation with excavated earth or sand in layer of not more than 15cm thick.well rammed and consolidated and depositing on bank with initial lead and lift of 10m & initial lift of 2m and depositing the surplusr earth within the compound in places shown by the departmental officers with iniital lead and lifts,clearing and levelling the site etc., complete as per SS20B and as directed by departmental Engineers(TNBP No.17,23,24). - 1 M3

Cement concrete in 1:4:8 (one cement, Four sand and Eight aggregates) mix using 40mm hard broken granite metal for foundation and flooring including dewatering where ever necessary and laid in layers of not exceeding 15 cm thick to required thick to required thickness , including cost and conveyance of materials to work site labour charges complete with standard specifications

Supplying and Filling in foundation and basement with Filling M- Sand in layers of not more than 15cm thick well rammed,watered consolidated including cost and conveyance of materials and labour charges etc., complete as per Standard Specification and as directed by departmental Engineers(TNBP No.24&25).

Supplying, fabricating and placing in position mild steel or ribbed tor steel for all reinforced cement concrete works as per design given including cost of steel and binding wire with all conveyance and lead charges in all floors etc.complete complying with standard specifications and as directed by the deparmental engineers. TNBP No:30

Supply and erecting centering for sides and soffits including supports and strutting upto 3.29m high for plane surfaces such as RCC slabs, Rectangular beems, Tee (or) ECC Beam, Lintel, Bed Block, Staircase waist and landing slabs landing beams, canopy etc., in all floor with all cross bracings using mild steel sheets of size 90cm X 60cm and BG 10 stiffened with welded mild steel angles of size 25mm X 25 X 3mm for boarding laid over country wood joinsts of size 10cm X 6.50cm spaced at about 90cm C/C and supports by Causrina props of 10cm to 13cm dia spaced at 75cm C/C etc., completed as directed. Sl.No.123

without strutting

With strutting Square Column

With strutting Plain surface

Reinforced cement concrete 1:1.5:3 mix(One cement One and Half sand and Three aggregates) mix for all reinfoced cement concrete works using 20 mm ISS gauge hard broken grainte machine crushed metal including cost and conveyance of all materials at site including all labour charges for concrete mixing, laying, watering, curing properly but excluding cost of steel and centering etc., complete complying with standard specifications.

Foundation and basement

Above Basement Ground floor

Brick Work in CM 1:5 (One part of cement & five parts of sand) mix using Third Class Country Brick Kiln Burnt bricks 8 ¾ " x 4 ¼ " x 2 ¾" including cost and conveyance of materials to work site and including all labour charges for mixing, laying, curing the concrete etc., complete as per standard specifications and as directed by departmental Engineers – TNBP No:31

Upto basement

Above basement

Supplying and fixing of steel ventilators, door, window, grill gate using25 mm x 25 mm x 3mm L angle side frame with cross bars and G.I.Sheet 1.60mm thick including all labour and materials complete complying with standard specifications and drawings and as directed by the departmental Engineers.

Solid PVC Door 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.

Plastering with CM 1:5 (One cement and five sand) mix 12 mm thick including finishing cost and conveyance of all materials to work site and all labour charges watering, curing and and all other incidental charges etc., complete complying with standard specifications.

Plastering with CM 1:3 (One cement and three sand) mix 20mm thick including finishing cost and conveyance of all materials to work site and all labour charges watering, curing and and all other incidental charges etc., complete complying with standard specifications.

Special Ceiling Plastering with CM 1:3 (One part of cement & three parts of sand)mix for 10mm thick including cost and conveyance of materials to work site and including all labour charges for mixing, laying, curing,finishing etc., complete as per standard specifications and as directed by departmental Engineers – TNBP No:30,56&57

B) Dadooing the walls with glazed tiles of 30 c.m x 20 c.m 6mm size laid in cement mortor 1:2 mix 10mm thick and pointing with 0.40 kg white cement per m2 etc.

Laying with new C.C. Laminated tiles (Like Dora tiles Eurocon tiles etc),(anti skid) of 20mm thick of approved spl quality and set in Cement Mortar 1:3 (1 of cement and 3 of sand ) 20mm. Thick using river sand and pointing with colour cement using at the rate of 0.40 kg/M2 and mixing with colour pigment at the rate of 0.3 Kg/M2 including finishing complete with Standard Specification and as directed by the Departmental Officers etc.,

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.,

Supplying and fixing in position white glazed Indian water closet of size 580 X 440mm of Orissa type of approved quality with 'P' or 'S' trap with sand cushion and forming flooring alround the closet using 40mm broken brick jelly lime concrete 1:2:5 ; 100mm thick and finishing the top to required slope and including giving necessary connection to cast iron soil pipes by dismandling masonry / RCC works and making good the disturbed portion to original condition without leakage etc., complete complying with standard specifications and as directed by the departmental officers. (The water closet should be got approved by the Executive Engineer before use on works.)

B) Supplying and fixing in position colour glazed EUROPEAN WATER CLOSET with 'P' or 'S' trap and double flapped seat cover, 12.50 litres capacity P.V.C. low level FLUSHING TANK including all internal fittings fixed on C.I. brackets, 12mm PVC or brass nipple, chromium plated brown headed stopcock, 12mm nylon connection with necessary teakwood plugs, clamps, screws to the portion coming with walls and floors, including dismantling masonry and redoing the same to the original condition.

Supplying and fixing of position of Indian make white glazed earthwere wash basin 550mm x 400mm with all accessories such as cost Iron brackets, 32mm dia C.P. Waste coupling, Rubber plug and chain, 32mm dia 'B' class, G.I. Waste pipe, 15mm dia, G.M.Wheel valve, 15mm dia Nylon connection, 15mm dia Brass Nipples, 15mm C.P. pillar tap etc.,

Supplying and fixing of Manhole Cover SFRC etc.,

Supplying and fixing in position C.I. Man HOLE COVER (light or heavy duty) of 60x60 cm of best approved quality confirming to L.S.S.etc.,complete complying with standard specifications and drawings and as directed by the departmental Engineers

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 with TW switch box inflush with wall with 5A FT switch covered with hylum sheet of 3mm thick 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-19

Supply and fixing of WT bulk head fitting with guard (Philips/Bajaj/crompton/K.likw ) suitable for in candles cent lamp with 60 W Bulb ( SD 84 )

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

Supply and fixing of single box type 4'36W fluorescent fitting complete with electronic ballast with TW round blocks on wall or ceiling with flu tube with PVC unsheathed Copper leads from terminals to the fitting

Painting two coats with ready mixed Plastic Emulsion Paint S.I.358 Plastic emulison paint of'approved quality and colour over a priming coat, including thorough scraping, clean removal of dirt, etc complete and including necessary plaster of paris, putty, wherever required including cost and conveyance of all materials etc.and all lobour charges etc.complete as per Standard specification and as directed by the departmental officers. TNBP No:66-A.

Painting new iron work such as new iron bars/MS grills/ Weld mesh and ventilators etc., with two coats of approved paint over a coat of primer already given including all by specifications and as directed by the departmental Engineers at all locations and height and complying with standard specifications including cost and conveyance of paint and labour charges.

Supply of PVC Pipes and Specials

32mm pipe

25mm pipe

32mm Tee

32mm bend

32mm Coupling

25mm Tee

25mm bend

25mm coupling

32/25mm Reducer

25/20mm Reducer

PVC Tap

110mm PVC pipe

Supply and run of 2 of 4 sq.mm. (56 / 0.3) PVC insulated single core unsheathed copper conductor of 1100V grade in 25mm dia GI pipe (Class 'B') suitably bent at both ends with necessary angle iron upright and end supports for mains - SD 70