bids are invited for 1 90⁰ bend, long radius, bevel ended heat shrinkable sleeve coated ( as per iso-21809-3 ) , r=3d, d is dia of pipe. bend to be fabricated from line pipe, conforming to is-3589 latest edition having following specification : i ) pipe outside diameter :610 mm ( 24 inch ) ii ) pipe wall thickness: 12.5 mm ( minimum ) iii ) grade: fe 410 iv ) application: pumping of fresh water 65 nos. 2 60⁰ bend, long radius, bevel ended heat shrinkable sleeve coated ( as per iso-21809-3 ) , r=3d, d is dia of pipe bend to be fabricated from line pipe, conforming to is-3589 latest edition having following specification : i ) pipe outside diameter :610 mm ( 24 inch ) ii ) pipe wall thickness: 12.5 mm ( minimum ) iii ) grade: fe 410 iv ) application: pumping of fresh water 18 nos. 3 45⁰ bend, long radius, bevel ended heat shrinkable sleeve coated ( as per iso-21809-3 ) , r=3d, d is dia of pipe bend to be fabricated from line pipe, conforming to is-3589 latest edition having following specification : i ) pipe outside diameter :610 mm ( 24 inch ) ii ) pipe wall thickness: 12.5 mm ( minimum ) iii ) grade: fe 410 iv ) application: pumping of fresh water 18 nos. 4 30⁰ bend, long radius, bevel ended heat shrinkable sleeve coated ( as per iso-21809-3 ) , r=3d, d is dia of pipe bend to be fabricated from line pipe, conforming to is-3589 latest edition having following specification : i ) pipe outside diameter :610 mm ( 24 inch ) ii ) pipe wall thickness: 12.5 mm ( minimum ) iii ) grade: fe 410 iv ) application: pumping of fresh water total quantity : 119