tender for maintenance of 18 nos. oht in muthur town panchayat ; 1 providing two legged scaffolding using 15cm dia- meter blue-gum posts or casurina posts or best quality bamboo posts of 4m overall length ( 3m height + 0.5m. in to the ground +0.5m projection ) the distance between the two rows being 1.25m, and the spacing of posts being 2m, in both the rows with two horizantal posts with 0.5moverlap on either side and braces at 2m, c / c includinglongitudinal and transverse middle braces to step up and providing a platform with country wood planks of 40mm, thick and 1m width, etc., in a complete form using coir and nails - 1m. run. 2 a ) 0 to 3.00 m 3 b ) 3.00 to 5.50 m 4 c ) 5.50 to 8.00 m 5 supplying and painting thewalls with twocoatscolour cement paint over one coat of cement primer as instructed by the departmrntal officers includingpreparation of surface curing, etc complete in all floorscomplying with standard specification. ( the colour and shade of the paint shall be got approved by the departmental officers. ) 6 supply and fixing of pvc ventilating arrangements including cost and conveyance of all materials and all labour charges etc, 7 supply and fixing of rcc manhole cover including cost and conveyance of all materials and all labour charges etc, 8 supply and fixing of rcc inner ladder including cost and conveyance of all materials and all labour charges etc,