Special repair of pressure pipeline of centralized pneumatic supply system IF at AF Stn Tughlakabad under GE (AF) Tughlakabad

Amount

Taking out the heavy duty MS duct cover of size 1200 mmx700mx8mm thick or approximate weight upto 80 Kg and reset the same in existing position on duct after necessary repair of pipe line complete all as specified and directed by Engr-in-charge

Taking out old unserviceable/rusted MS pipeline of 80mm size from duct including necessary unserviceable fittings and accessories etc complete all as specified and directed by Engr-in-charge.

Taking out old unserviceable/rusted MS pipeline of 25mm size from duct including necessary unserviceable fittings and accessories etc complete all as specified and directed by Engr-in-charge.

Taking out old unserviceable/rusted MS pipeline of 20mm size from duct including necessary unserviceable fittings and accessories etc complete all as specified and directed by Engr-in-charge.

Supply, lay, jointing, welding & testing of MS pipes heavy duty Class 'C' including necessary fittings as required for the following sizes laid in duct for connecting to various pressure tool/equipment at various IF and PW's for air pressure line complete all as specified and directed by Engr-in-charge of following sizes for 80 mm dia:-

For 25 mm dia

For 20 mm dia Note for item Nos 5 to 5.20: MS flanges, MS sockets, elbow, reducer etc shall deemed to be included in the unit rate.

M&L for preparation of new surfaces and eaves gutter and pipes any description not exceeding 60 cm girth including holder bats, distance pieces etc. (length measured over bends, branches etc.) including necessary writing/marking as per existing complete all as specified and directed by Engr-in-charge

S&F in replacement of the Ball valve brass with iron handle screwed both ends for iron pipe and fixed of 20mm dia size including taking down the old unserviceable valve complete all as specified and directed by Engr-in-charge.

M&L for CI butterfly valve of 25 mm bore size stainless steel disc, gear mountable as per IS 13095 class PN-1.0 complete with nuts, bolts, washer and rubber gasket including taking out the old unserviceable butterfly valve complete all as specified and directed by Engr-in-charge. Make: Cat No K702 of Kartar/Cat No 10781 of Zoloto or equivalent in Kirloskar

S&F in replacement of sluice valve flanged end drilled type with steel spindle including nuts, bolts and jointing material of class PN-1.6 ISI marked of size 80 mm bore complete all as specified and directed by Engr-in-charge. Make: Cat No K506 of Kartar/Cat No 1079B of Zoloto or equivalent in Kirloskar

M&L for cutting the hardstanding or road by manual method upto 1000 mm deep and suitable width as per SSR for laying pipes and making good the same after laying the pipe with PCC 1:4:8 type-D2 by using 40mm gradded aggregate over filled, rammed earth from the top of the ground minimum 150 mm thick to match the surroundings and making good the disturbed surfaces complete all as specified and directed by Engr-in-charge.

Note: The amount of Rs 2,31,052.00 against schedule of credit given on Tender Serial Page No 23 shall be deducted from the total amount quoted by the contractor against BOQ while deriving the contract sum for acceptance.

M/S S.K.Electricals