AHP Dn Breakdown Routine Maintenance of Ash Slurry Disposal Lines No 1 to 5 from recovery water pump house

Amount

Transportation of 12Mtr pipe (OD:406mm/356/360mm) 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 will be supplied by TANGEDCO). Pipe OD 406 mm/356/360mm

Providing new/SH/Retrived sleeve coupling set (OD:406mm/356/360mm) in place of the damaged sleeve coupling set, including transportation charges of material from store/damaged material to stores etc., crane hire charges & consumables and T&P’s (Material will be supplied by TANGEDCO).Pipe OD 406 mm

Providing new/SH/Retrived sleeve coupling set (OD:406mm/356/360mm) in place of the damaged sleeve coupling set, including transportation charges of material from store/damaged material to stores etc., crane hire charges & consumables and T&P’s (Material will be supplied by TANGEDCO). Pipe OD 356/360mm

Providing new Sleeve/SH or fabricated sleeve by SH/scrap pipes/New/Retrived flange in place of damaged sleeve coupling joints/pipes by welding with TANGEDCO welding supply for joining the cast Basalt/MS pipes (OD:406mm/356/360mm) to arrest leak and to prevent pipe damages including clearing of ashes/sand below the pipeline, crane hire charges & consumables and T&P’s (Material will be supplied by TANGEDCO). Pipe OD 406 mm

Providing new Sleeve/SH or fabricated sleeve by SH/scrap pipes/New/Retrived flange in place of damaged sleeve coupling joints/pipes by welding with TANGEDCO welding supply for joining the cast Basalt/MS pipes (OD:406mm/356/360mm) to arrest leak and to prevent pipe damages including clearing of ashes/sand below the pipeline, crane hire charges & consumables and T&P’s (Material will be supplied by TANGEDCO). Pipe OD 356/360 mm

Providing new/SH or fabricated sleeve by SH/scrap pipe/Retrived sleeve/ flange in place of damaged sleeve coupling joint/pipes or fresh joints by welding with DG welding set wherever welding supply is not available for joining cast Basalt/MS pipes (OD:406mm/356/360mm) to arrest leak and to prevent pipe damages including clearing crane charges, DG set & cost of consumables (Material will be supplied by TANGEDCO). Pipe OD 406 mm

Providing new/SH or fabricated sleeve by SH/scrap pipe/Retrived sleeve/ flange in place of damaged sleeve coupling joint/pipes or fresh joints by welding with DG welding set wherever welding supply is not available for joining cast Basalt/MS pipes (OD:406mm/356/360mm) to arrest leak and to prevent pipe damages including clearing crane charges, DG set & cost of consumables (Material will be supplied by TANGEDCO). Pipe OD 356/360 mm

Dismantling the sleeve coupling joints in Ash Slurry line having (OD:406mm/356/360mm) 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 will be supplied by TANGEDCO). Pipe OD 406 mm

Dismantling the sleeve coupling joints in Ash Slurry line having (OD:406mm/356/360mm) 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 will be supplied by TANGEDCO). Pipe OD 356/360 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/356/360mm) including crane hire charges and consumables (Material will be supplied by TANGEDCO).

Arresting of slurry leak by patch welding the punctured portions of the pipe (OD:406/356/360 mm) 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:406/356/360 mm) with sleeve cut pieces at various locations welding with DG set when ever supply not available including hiring & handling charges for crane, DG set, consumables. in Ash slurry Disposal Lines with TANGEDCO welding supply. (Material will be supplied by TANGEDCO).

Devolution of cast basalt Lined pipe having (OD 406/356/360 mm) by transporting to work spot to NCTPS stores including crane charges.

Arresting the slurry leaks due to bursting of pipe having (OD 406/356/360 mm) with MS clamps including consumables and T&P’s (Material will be supplied by TANGEDCO).

Renewal of damaged and worn-out 90/45 degree Cast Basalt Lined/ceramic/MS Lined bend by new/SH/Retrived transportation/ retrieval etc including crane charges & consumables and T & P's. Material will be supplied by TANGEDCO).

D. LOGANATHAN CONTRACTOR