insulation and sheet cladding work for stag i and ii as and when required , name of job: , up to dia 100 mm pipe 1 layer , up to dia 100 mm pipe 2 layer , up to dia 100 mm pipe 3 layer , up to dia 100 mm pipe 4 layer , up to dia 100 mm pipe 5 layer , dia 101 to dia 200 mm pipe 1 layer , dia 101 to dia 200 mm pipe 2 layer , dia 101 to dia 200 mm pipe 3 layer , dia 101 to dia 200 mm pipe 4 layer , dia 201 to dia350 mm pipe 1 layer , dia 201 to dia350 mm pipe 2 layer , dia 201 to dia350 mm pipe 3 layer , dia 201 to dia350 mm pipe 6 layer , above dia 350 mm pipe 2 layer , valve up to 100 mm nb 1 layer , valve up to 100 mm nb 3 layer , valve from 101 mm to 200 mm nb 1 layer , valve from 101 mm to 200 mm nb 2 layer , valve from 101 mm to 200 mm nb 3 layer , valve from 101 mm to 200 mm nb 4 layer , valve from 201 mm to 300 mm nb 1 layer , valve from 201 mm to 300 mm nb 2 layer , valve from 201 mm to 300 mm nb 3 layer , valve from 301 mm to max size nb 1 layer , valve from 301 mm to max size nb 2 layer , valve from 301 mm to max size nb 3 layer , valve from 301 mm to max size nb 4 layer , valve from 301 mm to max size nb 5 layer , any wall 1 layer , any wall 2 layer , any wall 3 layer , any wall 4 layer , any wall 5 layer , only cladding 1 layer , insulation of calcium silicate blocks fitting of insulation calcium silicate blocks , application of refractory application of refractory at any areas under boiler