tender for dismantling of our weak existing calendria & supply of fabricated new calendria with top & bottom tube plate with bottom saucer and all accessories complete for pan no.-1, pan capacity 60 ton for season 2025-26 - dismantling of our weak existing calendria & supply of fabricated new calendria with top & bottom tube plate with bottom saucer and all accessories complete for pan no.-1, pan capacity 60 ton for season 2025-26 2 specification- (a)- heating surface area-277-5 squre meter new pan calendria with bottom saucer 01 nos. (1)- thickness of calendria shell plate-16 mm. (2)- complete new calendria shell with tube plate (top and bottom) with bottom saucer. (3)- calendria dia -od-5002 mm. (4)- calendria tube plate hight center to center-900 mm, calendria shell plate hight-1100 mm. (5)- top plate dia-4970 mm. (6)- tube plate thickness -32mm (top & bottom tube plate). (7)- total no. of tube plate holes-1070 nos. (8)- tube size 102 mm od x 1.6 mm thickness. x 910 mm length. (9)- condensate outlet 6dia with box -02 nos. (10)- ammonia heavy& light connection as per s.s. pipe schedule grade 304 as per standard 50 mm with flange in out side header -12 nos. (11)- tie rod as per standard thickness32 mm- 06 nos. (12)- steam single entry jacket type 500 n.b. - 01 nos. (13)- steam jacket length 8820 mm, hight 570 mm, width 190 mm, steam jacket with baffle plate- 02 nos. (14)-down take thickness -16mm, hight 900mm. (15)- down take dia (top & bottom)-2050 mm. (16)- total no. of tubes-1070 nos. (17)- m.s. stool as per standard -04 nos. (18)- pitch 120 mm, ligament 18 mm. (19)- complete bottom saucer (m.s. plate thickness 20 mm & hight bottom saucer to tube plate outer side-230 mm,bottom saucer center hight to tube plate inner side hight -450mm. (20)- distributor (dome)-01 nos. dia 2225 mm, dome plate thickness-8 mm. (21)- discharge cone holes dia- 670 mm, as per standard. (22)- ammonia connection 1 to connect from condensate box both side -02 nos. (23)- calendria main hole dia n-500 mm, main hole cover dia-700 mm with suitable nuts & bolts. (b)- pan no-01 capacity 60 ton dismantling work of old calendria and take in out, sent to scrap station and old brass tubes are taken out work, old tube send to store receive. (c)-pan no-01 capacity 60 ton existing new calendria fitting work, errection, commissioningand fitting of new s.s. tubes (total nos. of tubes-1070 nos.) with hydraulic testing of new calendria low head type pan capacity 60 ton with all connection to be fitted, all condensate connection, stool, man hole and steam entry connection and it accessories with tube expending work along with leak proof trial with hydraulic testing complete, all work to be completed.