NCTPS II MI Circle BM Unit I 600 MW Attending annual overhaul works or rectification

Amount

Renewal / Reconditioning of various sizes of metallic expansion joints in Air preheater mentioned below : This work involves arresting the upstream and down stream of duct, cutting and removal of existing eroded cover plate and metalic expansion joints and gauching, leading, lifting, positioning of new expansion joint aligning with the duct channel and complete welding / visual inspection of bellow and marking of wornout and eroded spots, checking of bellow pitch gaps, cutting, grinding and wornout & eroded eroded part of bellow, rectification of expansion joint by patch up work including consumables, scaffolding arrangement and T&p's. 1. Primary air inlet expansion joint size (Style # 01 - 4510 mm x 5860 mm x 186 mm ) - 10 Mtr 2. Secondary air inlet expansion joint size (Style # 01 - 7280 mm x 5693 mm x 186 mm ) - 10 Mtr 3. SCAPH by-pass Expansion joint Size (Style # 01 - 3910 mm x 3910 mm x 186 mm ) - 5 Mtr 4. SCAPH inlet Expansion joint size (Style # 01 - 3910 mm x 3910 mm x 186 mm ) - 5 Mtr

Charges for leading, lifting and transportation of iron and steel materials from store to site. Charges including for T&P's and consumables. (Elevation -> 20 - 50 Mtr)

Charges for fabrication and erection of MS structurals and patch up work. Charges including for T&P's and consumables. (Elevation -> 20 - 50 Mtr)

Charges for renewal of eroded / wornout bracing pipe supports with new / old pipes of dia 80/100 mm or suitable angle / channel (ECO outlet to APH outlet in flue gas duct) : This work involves cutting and removal of existing eroded / wornout bracing pipe supports in flue gas duct, gouching and edge preparation for the existing gusset plates, notch preparation for bracing pipe supports and fixing with gusset as its original position and welding to complete as directed by Engineer in charge. Charges including for leading, lifting, T&P's and consumables.

Charges for transportation of retrived material and scrap from 23mtr APH to the NCTPS II stores. Charges including charges for T&P's and consumables.

Supply of MS Plate 6mm thk Material : IS 2062 Including loading, transporting & unloading charges

Supply of Bracing pipe Size : OD 88.9 mm x 5.49 mm thk Material : SA 106 Gr B Including loading, transporting & unloading charges

Supply of Bracing pipe OD 114.3 mm x 6.02 mm thk Material : SA 106 Gr B Including loading, transporting & unloading charges

THIAGARAJAN ENGINEERING CONTRACTOR (BID ID -1113076)