School Improvement Scheme 2022-2023 and 2023-2024 - Improvement of School Building in Government High School in Thadicombu Town Panchayat, Dindigul District.

Earth work excavation for foundation and depositing on bank with in the initial lead of 10m and a lift of 2m in hard stiff clay, stiff block cotton, hard red earth, shales, murram, gravel, stoney earth and earth mixed with small size boulders etc. complete. complying with std. specifications.SS 20 B TNDSS No 23 & 24VI(S2) VII 9,10

Refilling with excavated earth in foundation and basement of not more than 15cm.thick well rammed watered and compacted etc., complete complying with standard specification.

plain Cement Concrete 1:4:8 Mix (one part of cement, four part of 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 std. specifications.TNDSS NO 28 V, VI(S2) V, VI(S5A) VII

Supplying and erecting centering for sides and soffits including supports and strutting up to 3.29mm height for plane surfaces in all floors with cross bracings using mild steel sheets of size 30cm x 55cm and 10 gauge stiffened welded with mild steel sheets of size 25mm x 25mm x 3mm for boarding and laid over silver oak (country wood). Joists of size 10cm x 6.5 cm dia spaced at about 90cm centre to centre and supported by casurina props of 10cm to 13cm dia spaced at 75cm centre to centre etc complete complying with standard specification TNDSS No. 30 &86

Plain Cement Concrete 1:3:6 Mix (One part cement, Three sand and three part of aggregate)using 20mm size ISS HBG metal machine crushed from approved quarry including cost and conveyance of all materials to site, loading and unloading charges and labour charges for mixing, laying and curing but excluding cost of reinforcement etc. Complete with std. Specifications.(using vibrater)(TNDSS No.30 V,VI (S3) VII-3

Vibrated Reinforced Cement Concrete 1:1½:3 Mix (One part cement, one and half part sand and three part of aggregate)using 20mm size ISS HBG metal machine crushed from approved quarry including cost and conveyance of all materials to site, loading and unloading charges and labour charges for mixing, laying and curing but excluding cost of reinforcement etc. Complete with std. Specifications.(using vibrater)(TNDSS No.30 V,VI (S3) VII-3

Supplying fabricating and placing in position of TMT steel rods including cost of binding wire, cost of labour charges for fabrication and placing in position etc. Complete. Complying with std. specifications. TNDSS No,97 V,VI (S6) VII (S6) VII-3

Painting Two coats using Synthetic Enemal Paint including using departmental approved colour & quality of ready mixed synthetic enamel paint, including cost of all materials, all labore charges, etc., complete.

Supply and fixing of ISA equal angle for truss including cost of Material conveyance of all material, fabrication and fixing charges etc.Complete as per ISI with rust preventive primer & ready to assemble condition for easy installation at site including dismantling making necessary with power drill to the accessories such as supplying and fixing holdfasts, plastic bush inserts receiver runner bottom shock absorbers etc. Complete as per standard specification.

Supplying and fixing of Galvalume sheet roofing using 0.6 mm thick including all cost of materials at the site and necessary bolt and nots including all labour charges etc. complete as per standard specification.

Painting two coats with ready mixed 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. - 10 sq.m

Supplying and fixing in position best Indian make white glazed earthenware WASH HAND BASIN of 560x406mm with a a pair of C.I. Brackets, 15mm dia C.P. Pillar tap, 32mm G.I. Waster water pipe, 32mm dia C.P. Brass waster coupling, plug with chain, 15mm dia PVC connection, 15mm G.M. wheel valve with ISI mark and necessary G.I. union and G.I. Elbow, including fixing wash hand basin in position with white lead, clamps, teakwood plugs, screws, rubber washer etc., complete without any leakage complying with standard specifications.

Fabricating, supplying and fixing in positon of SOLID PVC DOORS with frames of different sizes as per the specifications given below: PVC door frames made out of best quality PVC extruded section of 40mm * 58 mm * 2.50 mm +/- 0.3 mm thick, having multichamber cross section and duly reinforced with steel to be mitre cut at the corners and welded including providing tie rod at the bottom and necessary weather seal etc., and PVC door shutters made out of extruded plastic section of 60 mm * 24 mm size in the configruation of an "A" section for shutter frames and multi-chamber hollow plastic section of 200 mm *200 mm*1 mm (average thickness) with tongue and groove section for panels etc., with necessary holdfasts, rubber beedings, furniture fittings, locking arrangements etc., complete including dimantling the masnery, making chippings, holes in the RCC column, beam etc., wherever necessary with power drill to the extent required and redoing the same to the original condition after fixing etc., complete as per specifications and as directed by the dePart ofmental officers.

Supplying and fixing over the floors best quality of scratch ceramic tiles of 30 c.m x 30c.m x 6mm size of approved colour laying with cement mortor 1:3 mix pointing the joints with colour pigments etc. Complete.

Paving the floor with descrgned coloured vitrified tiles of size 600 x 600 x 8mm of best quality and approved variety complying / confirming ISI specification land over cement mortar 1:3 (one cement and three M- Sand) 20mm thick and pomted with same coloured cement neatly etc., complete.

Providing and laying, spreading and compacting graded stone aggregates to Wet Mix Macadam 250mm thick specification including premixing the materials with water at OMC in mechnanical mix plant carriage of mixed material by tipper to site laying in uniform layers with pavers in Sub Base/ Base course on well prepared surface and compacting with vibratory roller to acheive the desired density including cost of material, labour charges, rentals for machinery, fuel and all other incidental charges etc., complete as per clause 406 of MORTH

Supplying and laying Precast Designer Paver Block confirming to IS 1568-2006 specification manufacturing and laying standard of M40 grade 63mm thick (table clauses 5 and 9.14) suitable for bus terminals ,industrial complexes, road on expensive soils etc., including the cost of paver block of size 225mm x 12.50 mm x 63mm and conveyance of materials to work site mentioned in the tender schedule cost of loading and unloading handling during over Stone dust of 100mm thick (excluding the cost of M- Sand) conveyance paver block cutter to site and hire charges of vibrators and block cutter operator and labour for leveling the M- Sand to paver block etc., complete ISI 15658-2006.

V RENGANAYAGI CONTRACTOR