Chennimalai TP Operation and Maintenance Scheme 2025-2026

Amount

Earth work excavation in all class of soils except hard rocks requiring blasting such as hard stift clay cotton hard earth shales murrams gravel stoney earth and earth mixed with small size with initial lead and lift including all incidential charges such as removing boulders sharing, strutting, watering bailing out water it necessary including all labour charges etc., Complete for foundation.

Plain Cement Concrete of mix 1 : 4 : 8 (One Cement four sand eight aggregates) using 40mm gauge hard broken including cost conveyance of all materials to site including formwork and centering labour charges, transporting and placing in position including shoring, strutting, forming protective bunds, cofferdams bailing out of water labour for mixing compacting, finishing and curing, working at depths, tools and plants and incidental charges such as sheeting, shoring and bracing and their subsequent removal etc., complete as per standard specification.

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

Supplying and fixing in Position of Indian Oriya pan type water closet with “P’’ or “S’’ trap to set in brick jelly concrete 1:4:8 Mix concrete 10 cm thick using 20mm brick jelly and top finished with c.m. 1:3 mix 20mm thick without any leakage etc. complete.

Plastering in Cement Mortar 1:3 Mix (one Cement, Three M-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

Plastering in C.M. 1 : 5 (one cement, five sand) to 12 mm thick including all cost and conveyance of all materials to site including cost of cement which will be purchared locally by the contractor and conveyance of the same to the actual work site and cost form work including watering curing and all leads of good potable water and all other.

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.

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

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.(SOR Item no.264,P.No.65)

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.

Supplying and fixing in position of Indian make White glazed earthen ware Flat Back Urinal of approved quality including dismantling masonry if necessary and redoing the same to original condition etc., complete as directed by the departmental officers.

Supplying and fixing of 18mm - 20mm thick white marble slab as partition for urinals including cutting to the required size and shape including fixing in wall and flooring including cost of slab and fixing for labour etc., complete.

Exterior Emulsion paint Two coats with good quality of approved Emulsion paint including cost of all materials to site and all labour charges for mixing applying and proper curring etc., Complete as per Standard Specifications

Painting Two Coats on new Iron works with best synthetic enamel paint of approved colour and quality etc., complete

Weathering course concrete with broken brick jelly of 20 mm gauge in pure slacked lime ( no sand to be added) over roof slab the proportion of brick jelly to lime being 32 to 12.5 by volume and laid over In a single layer and consolidated require designed and finished thickness by beating the concrete with wooden beaters of approved pattern , keeping the surface constantly welded springing lime jiggery water asper standard specification and as directed by the departmental officers.

Finishing the top of roof with one course of machine pressed tiles of size 20 x 20 x 2 cm laid in cement mortar ( One of cement and three of sand ) mixing with water proofing compound conferment ISS at 2% weight of cement used and pointed with same waterproofing compound mixed with red oxide etc., complete with standard specification

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

Rubberised Interlocking Paver Block M40 grade providing and laying of 83mm thick heigh strength type confiriming IS 15658 - 2006 of Rubberised Interlocking Paver Block in required size of mininmum compressive strength of 40N/mm2 in uniform shape of approved make to be laid in flumying bore pattern with approved nin - sticking surface in the top and the rate including levelling the base cushion 150mm thick laying out the pavement cut the pieus to fit edge, vibrating pavers, sweeping transporting leading unloading as per standard specification.

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

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.

VENGAIYAR AND CO (BID ID -1400372)