NCTPSI SE MII Circle AHP Breakdown Maintenance of Ash slurry Disposal Lines No 1 2 3 4 5 from NCTPS stage II compound wall to Recovery water pump house for a period of 1 year

Amount

Transportation of 12 m length or less (OD: 406mm/356 mm)second hand/New Cast basalt lines/ceramic pipes from stores to site, clearing the ash/sand below the pipe, dismantling and erection on R.C.C. sleepers,including loading at NCTPS stores, unloading at site, crane hire charges & consumables.(Material scope by TANGEDCO).

Pipe OD 406 mm

Pipe OD 356 mm

Providing new/SH/Retrived sleeve coupling set ( 406mm/356mm) in place of the damaged sleeve coupling set, including transportation charges of material from store/damaged material to stores etc., crane hire charges & consumables. (Material scope by TANGEDCO).

Pipe OD 406 mm

Pipe OD 356 mm

Providing new/SH/Retrived sleeve/ flange in place of damaged sleeve coupling joints/pipes by welding with TANGEDCO welding supply for joining the cast Basalt/MS pipes (OD: 406mm/356 mm) to arrest leak and to prevent pipe damages including clearing of ashes/sand below the pipeline, crane hire charges & consumables.(Material scope by TANGEDCO).

Pipe OD 406 mm

Pipe OD 356 mm

Providing new/SH/Retrived sleeve/ flange in place of damaged sleeve coupling joints/pipes or fresh joint by welding with DG welding set wherever welding supply is not available for joining cast basalt/MS pipes (OD: 406mm/356 mm) to arrest leak and to prevent pipe damage including crane charges, DG set & cost of consumables. (Material scope by TANGEDCO).

Pipe OD 406 mm

Pipe OD 356 mm

Dismantling the sleeve coupling joints in Ash Slurry line having (OD:406mm /356 mm) by changing damaged 'O' ring /end collar by new/ SH/ retrived 'O' ring /end collar after lifting the pipe and supporting for arresting slurry leak or for clearing the clogged ashes including crane charges & consumables. (Material scope by TANGEDCO).

Pipe OD 406 mm

Pipe OD 356 mm

Arresting of Slurry leak by Renewal of damaged gasket after removing the worn out studs by locking the pipe, cutting the bolts, cleaning the flange surface, providing the gasket, fixing the pipe and checking the alignment of pipes and attending leak if any after charging the Ash Slurry line having OD 406mm/356mm including crane hire charges and consumables. (Material scope by TANGEDCO)

Arresting of slurry leak by patch welding the punctured portions of the pipe OD 406mm/356mm with sleeve cut pieces including consumables. at various locations in Ash Slurry Disposal Lines with TANGEDCO welding supply.

Arresting of slurry leak by DG patch welding the punctured portions of the pipe OD 406mm/356mm with sleeve cut pieces at various locations welding with DG Welding set wherever welding supply is not available including hiring & handling charges for crane, DG Set, consumables.(Material scope by TANGEDCO)

Devolution of cast basalt Lined pipe having OD 406/356 mm by transporting to work spot to NCTPS stores including crane charges.

Arresting the slurry leaks due to bursting of pipe OD 406mm/356mm with MS clamps including consumables.(Material scope by TANGEDCO).

Renewal of damaged and worn-out 90/45 degree Cast Basalt Lined/ceramic/MS Lined bend by new/SH/Retrived bend including all charges such as transportation/ retrieval etc including crane charges consumables and T & P's.

E GNANAMANI