Erode Dt - Bhavanisagar TP - School Improvement Work 2025-26

Amount

Earth Work excavation in all classes of soils such as hard stiff clay, stiff black cotton, hard red earth, shales, murram, ordinary earth, earth mix with 50% fair sized boulders etc., with initial lead and lifts including laying, spreading, levelling, sectioning breaking clods etc., including all incidental charges etc. complete as per standard specification.(ForFoundations SS 20B )

Providing Plain Cement concrete of mix 1:4:8 (One cement four sand Eight aggregates) using 40mm ISS gauge size hard broken including cost conveyance of all materisl to site including labour charges, transporting and placing in postion including labour for mixing compacting, finishing and curring etc. including cost and conveyance of all materials and labour charges etc., complete as per standard specification

Supplying & Erecting RCC centering for sides & soffiots including necessary supports & strutting upto 3.29m height for plane surfaces in all floors with all cross bracings using mild steel sheets of size 90 x 60cm & 10 gauge stiffened, welded with steel angle of size 25 x 25 x 3mm for boarding laid over silver oak joists(Country wood) of size 10 x 6.5cm spaced @ about 90cm c/c and supported by casurina props of 10 - 13cm dia. spaced @ 75cm c/c etc., complete complying with standard specifications and as directed by the departmental officers. Rate for 10m2.for the following items (For all R.C.C Works )including cost and conveyance of all materials and labour charges etc., complete as per standard specification Grade Beam

Coloumn

Roof Slab

Supplying and Fabrication and placing in position of TMT bars for all RCC works with cost of binding wire and cost of cutting, bending ,tying in position including cost and conveyance of all materials and labour 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 -

Brick work in Cement Mortar in 1:5 ( One cement and Five Sand ) using best quality of Stock bricks 2nd class of size 9x 41/2 x 3 including all cost of materials and labour charges including Curing charges etc., complete as per Standard Specification.

Supplying and fixing MS L Angle directed by the departmental officers inclusive of cost of MS grill and labour charges including one coat of red oxide and fixing in position etc. complete (as per schedule of rates) as per standard specification

Plastering c.m 1:3 (one cement and Three sand) mix to a thick of 20mm using clean screened sand and including the cost of curing for 15 days from the completion of work and surface should free from undulations and including the cost of preparing the surface for plastering and protecting from other damages till setting of mortar etc complete complying as per MORTH Specifications. TNDSS No.56 & 57

Plastering c.m 1:3 (one cement and three sand) mix to a thick of 12mm using clean screened sand and including the cost of curing for 15 days from the completion of work and surface should free from undulations and including the cost of preparing the surface for plastering and protecting from other damages till setting of mortar etc complete complying as per MORTH Specifications. TNDSS No.56 & 57

Plastering c.m 1:5 (one cement and five sand) mix to a thick of 12mm using clean screened sand and including the cost of curing for 15 days from the completion of work and surface should free from undulations and including the cost of preparing the surface for plastering and protecting from other damages till setting of mortar etc complete complying as per MORTH Specifications. TNDSS No.56 & 57

Dadooing walls with Glazed tiles of sizes 300mm X 200mm X 6mm size of approved make and quality and colour Set in cement mortar 1:2 (One part of Cement and two part of Plastering Sand (P- Sand)) over 10 mm base layer plastering and pointing with white cement neatly as directed.

Paving the Floor with scratch proof ceromic tiles of size 305x305x6mm finished thickness with c.m 1:3-20mm Tk and polished with same color cement including all cost and convene of all materials etc.,complete

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 the new walls two coats over one coat of priming with best Emulsion paint of approved colour and quality including preparation of surface and finishing neatly etc., complete complying with standard specification and as directed by the department officers etc., complete complying with standard specifications.

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

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

Providing UPVC (Un-Plasticized Polyvinyl Chloride) Door: Providing and fixing casement doors fabricated from un-plasticized polyvinyl chloride (uPVC) sections. Profiles: The profiles should be three chamber system which provides high insulation properties with outer frame 60mm x 55mm with an outer wall thickness of 2.4mm. The window unit should be designed with all corner joints mitred and fusion welded. Windows should be steel reinforced with 25 x 24 x 25mm steel reinforcement with a thickness of 1mm to have dimensional stability. The sash should be of 60 x 102mm. The mullion should be of 60 x 74mm. The profiles should have co-extruded seals. Hardware: All the hardware like friction stays, handles should be screwed with self tapping screws. The handles, locks should be designed so that they cannot be released from outside.Glazing: The window system should be glazed with 5mm plain float glass / 6mm bison lam Installation: The profiles should be cut to length and welded 45 degrees. The window should be designed such that the water drainage does not pass through the reinforcement chamber. The window system should be fixed directly to the plastered brick wall using self expanding nylon plug and driving ms electroplated screws into plug.

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.

Painting two coats with best-approved quality Colour Enamel paint for New Iron Works including cost and conveyance of enamel paint etc., Complete.

Supplying and fixing in position best quality approved make white glazed earthenware wash hand basin of size 550 X 400 mm with a pair of cast iron brackets, including cost of 15mm diametre brass chromium plated piller tape,32 mm diametre C.P. Waste union, 32 mm diametre P.V.C. waste pipe with rubber plug and chain, 15mm diametre G.M.wheel valve, 15mm dia brass nipple, 15mm dia nylon connections etc., including fixing the wash hand basin in the wall in position with a pair of C.I. brackets with teak wood plugs and screws and giving necessary water supply connection and paintiung the brackets with two coats of paint over a primimg coat of anticorrosive paint including testing for leackage etc., complete complying with standard specifications

Wiring with 2 x 1.5 sq.mm. PVC insulated SC unsheathed FRLS copper conductor of 1100V grade in suitable PVC rigidpipe on wall and ceiling with PVC accessories and with TW switch box and 5A FT switch with painting of suitable colour for open PVC light point / fan point (for electronic regulator) (6 points per coil)-Sd-20

Supply and fixing of WT bulk head fitting with guard suitable for 11W CFL lamp with CFL sd 83

Supply and fixing of 4'40W twin street light fluorescent fitting complete with copper choke and condensor with 19mmdia GI pipe (Class 'B') with 1 No. 19mm GI bend complete on the existing post / wall with 16A aerial fuse unit on MSplate with PVC unsheathed FRLS copper leads with MS clarnps and aluminium painting with fluorescent tubes. SD-94

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 FRLS Copper leads from terminals to the fitting sd 87

supply and fixing of 1200mm (48") sweep AC ceiling fan complete ( Higher end) with 2 module 100W fan step regulator (Higher end) with 1 metre down rod on the existing fan clamp SD 467

T. KANAKARAJ (BID ID -1484618)