maintenance works to vayalur municipal school in ward no. 1 in vridhachalam municipality- 1 paving the floor with design antiskirt ceramic tiles (colour and shade as directed) of size 305 mm x 305mm x 6 mm 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 laid in-situ and pointed with same coloured cement 2 plastering with cement mortar 1:3 (one part of cement and three 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 3 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 4 brick work in cm 1:5 (one cement & five crushed stone sand (m- sand)) using ii class ground moulded bricks of size 9 x 43/8x 2 3/4 including finishing, curing, etc., complete complying with standard specification - 5 colour wash with two coats of cement paint over one coat of cement primer as instructed by the departmental officers including preparation of surface curing, etc., complete in all floors complying with standard specifications (the colour and shade of the cement paint shall be got approved by the executive engineer before use of work). 6 supplying and fixing mild steel grills for windows, ventilators etc.,complete complying with standard specifications and as directed by the departmental officers. 7 supply and fixing of pvc solid doors using 19gauge 19mm ms sq,tubes for styles and frames, 15mm ms sq.tubes for to, lock and bottom rails. the steel tubes shall be covered with 5mm thick solid pvc sheets. shutter using 5mm thick solid pvc sheets for panelling shall rigidly fixed in positionincluding furniture and fittings. the over all size of styles shall be 50mm x 30mm. the over all size of top rail, lock rail and bottom rail shall be 75mm x 30mm. the over all size of frames shall be 50mm x 45mm with suitable tabate for housing the shutter etc, complete as per standard specification. (pwd sor item no.125(a) pg. no.43) 8 supply of pvc pipe & specials. 25mm pvc pipe 9 supply of pvc pipe & specials. 25mm pvc elbow 10 supply of pvc pipe & specials. 20mmpillartap 11 supply of pvc pipe & specials. 25mm gate valve