Tiruppur Corporation_SCHOOL_MAINTENANCE _2024-25_5

Amount

Earth work excavation for foundation in all kinds of soils and sub soils to full depth as directed by the departmental officers except hard rock inclusive of shoring strutting and balling out water wherever necessary and refilling the sides of foundation with excavated earth in layers of 15cm thick well rammed and consolidated and depositing the surplus earth with in the compound in places shown by the departmental officers with initial lead of 10 meters and initial lift of 2 meters including cost of all labour charges etc., complete as per standard specification.

Conveyance of excavated earth to a lead of 0 to 5 Km including cost of loading, transporting etc., complete complying with standard specification.

Plain Cement concrete 1:4:8 [one cement, four sand and eight course aggregates] using 40mm size Hard Broken/Machine crushed Granite Stone Jelly including dewatering if found necessary and laid in layers of not more than 15cm thick and compacted etc., complete complying with standard specification.

Supplying and erecting centering including necessary supports for the plane surfaces such as Drainage & Culvert Retaining walls etc., using mild steel sheets of size 90cm x 60cm and BG 10 stiffened with welded mild steel angles of size 25mm x 25mm x 3mm for boarding supported by casurina props of 10cm to 13cm dia spaced at suitable intervals etc., complete complying with standard specification.

Plain Cement concrete 1:2:4 [one cement, two M-sand and four course aggregates] using 20mm size Hard Broken/Machine crushed Granite Stone Jelly including dewatering if found necessary and laid in layers of not more than 15cm thick and compacted etc., complete complying with standard specification.

Plastering with cement mortar 1:5 mix, 12mm thick in all floors using clean screened sand and including cost of curing for fifteen days from the completion of the 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 with standard specification.

Paving the floor with 8mm thick Double Charged Vitrified Tiles in all floors over a base layer of cement mortar 1:3 [one cement and three M-sand] 20mm thick of walls and floors and pointed with the same colour cement neatly, including polishing with electric polishers to a high degree so as to make it perfectly smooth and showing etc., complete complying with standard specification.

Manufacturing, supplying and fixing Precast Reinforced Cement Concrete slabs of 25mm thickness in RCC 1:2:4 (one cement, two M-Sand and four course aggregates) using 10-12mm size Hard Broken/Machine crushed Granite Stone Jelly excluding cost of reinforcement steel in position but including cost of moulding charges, casting of slab, finishing, curing and fixing in position in all floors etc., complete complying with standard specification.

Dismantling the existing Doors and windows including removal of frames, hinges and fastenings including removing the debris from the site and stacking useful material at work site for reuse etc., complete complying with standard specification.

Manufacturing supplying and fixing in position of Steel Window with openable shutter frame made out of steel sections confirming to IS 7452/1982. The outer frames of windows made out of 'Z' section (F7D) of size 20x20x3mm confirming to IS 7452/1982. Mullions are made out of (F4B) 'T' section of size 46x25x3mm confirming to IS 7452/1982. The shutters are individual and each of them can be operated separately. Sash bars are made of 'T' section (T2) of size 25x22x3mm. 2 Nos of sturdy hinges and one number of handle cum ratch of special type are fixed for each openable shutter. Suitable opening is left for its easy operation. One number of window adjustable string with fixing bracket of sufficient length are provided for each shutter 4 No of 40x40x3mm angle fold fasts of 230mm length are welded to the frames at appropriate point. M.S square bars of 12mm size is welded to the inner face of the window at equal intervals not excluding 10cm spacing. All members are painted with one coat of red oxide of primer. The rate is inclusive of each of all materials, labour charges for fixing, one coat of primer, welding charges, transportation to the site of work, loading, unloading and all other incidental charges etc., complete.

Painting two coats for New iron work surface using best quality synthetic enamel paint etc., complete complying with standard specification.

Best Mangalore Ventilating Tiles (Single)

Removing and Adjusting Mangalore Roofing Tiles (Labour only)

Supply and fixing of single box type 4'40 W flu fitting complete with copper choke and condensor, with conduit pipe suspension from the ceiling with PVC unsheathed Copper leads from terminals to the fitting with tube. SD 89

Supply and fixing of 1200mm (48") sweep AC ceiling fan complete with stepped electronic 300W regulator , with 1 metre down rod with fan clamp with side plates and cross arm of size 450mm (18"). SD 106

Paving the floor with 20mm thick Cement based Hydraulically Pressed Anti-Skid (EUROCAN) tiles (Pattern design) in cement mortar 1:3 [one cement and three M-sand] 20mm thick and pointed with same colour of cement etc., complete as per standard specification.

Providing and laying, spreading and compacting graded stone aggregate to wet mix macadam (WMM) specification including premixing the material with water at OMC in mechanical mix plant carriage to mixed material by tipper to site laying in uniform layers with paver in sub base / base course on well prepared surface and compacting with vibratory roller to achive the desired density complete as per clasue 406 of MORTH specifications.

Providing and laying of 63mm thick Rubber Moulded Hydraulic Pressed Paver Block in uniform shape of approved make to be laid in flurring bond pattern with 150mm thick quarry rubbish cushion below the uniform shape of approved non-skitting surface in the top and the rates including levelling the base, preparation of pavers as sub base, quarry rubbish cushion 150mm thick, laying out of pavement, cut the pieces to fix the edge, vibring the pavers, sweeping, transporting, loading and unloading etc., complete complying with standard specification.

Add GST @ 18%

S.R.P AND CO (BID ID -1207693)