Maintanance and repair works of Thiruneermalai Middile school ward 31 Zone 1

Earth work open excavation in all soils and sub-soils and to full depth as may be directed except in rock requiring blasting inclusive of shoring shuttering, bailing out water wherever necessary and depositing the excavated earth with a lead of 10 mts. within the compound in places shown by the departmental officers and clearing and levelling the site, etc., complete complying with standard specification.

Earth work open excavation in all soils and sub-soils and to full depth as may be directed except in rock requiring blasting inclusive of shoring shuttering, bailing out water wherever necessary and depositing the excavated earth with a lead of 10 mts. within the compound in places shown by the departmental officers and clearing and levelling the site, etc., complete complying with standard specification.

Supplying and filling in foundation and basement with Crushed Stone dust in layers of not more than 15cm thick including all cost and conveyance of materials to work site from an approved quarry and including all the labour charges well rammed watered and compacted etc., complete complying with standard specification.

Supplying and filling in foundation and basement with well gravel in layers of not more than 15cm thick including all cost and conveyance of materials to work site from an approved quarry and including all the labour charges for well rammed watered and compacted etc., complete complying with standard specification.

Plain Cement Concrete 1:4:8 (one part of cement, four part of Crushed Stone Sand (M- Sand) and eight part of coarse aggregates) using 40mm size ISS HBG metal including cost and conveyance of all materials to site and including for the mixing, laying and labour charges and all incidential charges such as water providing etc., complete as per standard specification

Centering for soffits of RCC slabs of plane surface like lintels, beams ,etc.,including strutting 3m high using mild steel sheets of size 90cm X 60cm X and B.G 10 stiffened with M.S angles of size 25mm X 25mm X 3mm laid over silver Oak (C.W) joists of size 10cm X 6.5cm (spaced at about 90cm c/c )and supported dy casurina props of 10cm to 13cm dia (spaced of 75cm C/C) complying with standard specification and directed - 10 m 2 (P & D)Data 38

Column

Plinth Beam

Slab and Beam

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 -

Suppling and fabricating and placing in position MS (or) R.T.S. bar for reinforcement to all RCC works as per the design given including cost of steel and binding wire also in all floors.

Brick work in CM 1:5 (one cement & Five Crushed Stone Sand (M- Sand)) using II class ground moulded bricks of size 9" X 43/8"X 2 3/4" including finishing, curing, etc., complete complying with standard specification - 100CFT

Plastering with cement mortar 1:3 (One part of Cement and Three part of Plastering Sand (P- Sand)), 10mm thick in all floors including cost and conveyance of all materilas to site and labour charges etc,complete as per standard specifications

Plastering with cement mortar 1:5 (One part of Cement and Five part of Plastering Sand (P- Sand)) 12mm, thick in all floors including cost and conveyance of all materilas to site and labour charges etc,complete as per 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

Supply and Delivery Fabrication of MS Doors and Windows with outer frame and shutter frame in MS angle of size 40mmx40mmx6mm with MS flat 25mm x25mm x6mm and MS sheet of 18gauge using 20mm square MS Rods with locking arrangements including two coats of approved enamel paint over coat of red oxide including cost of angles ,plates,sheets ,fabrication charges cost of hold fast and transportation charges etc complete

Fully panneled double leaf window (with out ventilator)(TWAD Sor 24-25 page no 94 unique code WD -M1487)

Fully panneled double leaf Door(TWAD Sor 24-25 page no 94 unique code WD -M1481)

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.

Painting two coats of newly plastered wall surface with ready mixed Cement paint of first quality and of approved colour over a priming coat including preparing the surface, clean removal of dirt and including necessary plaster of paris putty wherever required etc., complete complying with 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.

Paving the floor with pre-polished Concrete Anti-Skid step tiles (Required shape and design) of 20mm thick of approved quality and colour laid in Cement Mortar 1:3 (One part of Cement and Three part of Plastering Sand (P- Sand)), 20mm thick and pointed with white cement mixed with colouring pigment at the rate of 0.40 Kg/sq.m., curing, etc., complete complying with standard specification and as directed by the departmental officers.

Supplying and fixing in position Cement based hydrualically pressed Anti-Skid tiles (pattern design) 20mm thick in cement mortar 1:3 (One part of Cement and Three part of Plastering Sand (P- Sand)), 20mm thick and pointed with same colour of cement etc., complete as per standard specification

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

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

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

Supply and delivery of GI pipe including all the cost and conveyance of material to work site including all the labour charges for fixing etc complete (Twad SOR 2024-25 Page No 27 Clause 5.0 Unique Code WD-M0491)

Fabricating supplying and fixing of pre painted galvanium colour sheets with the following specification. The materials should be of PPGI tile profile with a red colour or any other approved design 0.47 mm 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.

Supplying and laying Rubberised interlocking Paver block M40 grade Providing and laying of 63mm 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 150mm 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,.

Paving the floor with kota stone slab of size 600 x 600 of 18 / 20mm (un-polished) in all floors laid in of cement mortor 1:3 (One part of Cement and Three part of Plastering Sand (P- Sand)), 20mm thick and pointed with colour cement neatly including polishing with polishing stone and oxalic acid etc., so as to perfectly smooth and glossy and including hire charges for polishing machine and power consumption charges etc. The kota stone slabs and other materials to be used shall be got approved by the Executive Engineer concerned before use on work, etc., complete as per standard speicification.

Labour charges for painting Emblem in accordance with the size and specification including all consumables ,one coat of base paint ,scaffolding charges including painting Logo etc complete (TWAD 2024-25 Page No 195 Unique code WD-W0745)