bids are invited for excavating in trenches n.exc 1.5 m wide and n.exc 1.5 m depth for foundation etc or for shafts wells cesspits manhole pier hole , taking up down old unserviceable ci di pipes from trenches wall floor etc for repair with all fittings , all as per item no 2.00 here in before but of size 100 mm bore. , all as per item no 2.00 here in before but of size 150 mm bore. , all as per item no 2.00 here in before but of size 200 mm bore. , m l for refixing relaying of existing old di ci tubing of size 80 mm bore obtain from item no.2.00 here in before in new or existing , all as per item no 6.00 here in before but of size 100 mm bore obtain from item no. 3.00 here in before. , all as per item no 6.00 here in before but of size 150 mm bore obtain from item no. 4.00 here in before. , all as per item no 6.00 here in before but of size 200 mm bore obtain from item no. 5.00 here in before. , supply laying jointing testing of 80 mm bore centrifugally cast spun ductile iron pressure , all as per item no 10.00 here in before but of size 100 mm bore. , all as per item no 10.00 here in before but of size 150 mm bore. , all as per item no 10.00 here in before but of size 200 mm bore. , taking up down old unserviceable gi pipes from trenches wall floor etc for repair with all fittings of 50 mm bore complete all as specified and as directed , all as per item no 14.00 here in before but of size 40 mm bore. , m l for refixing relaying existing old gi tubing of size 50mm bore obtain from item no. 14.00 , all as per item no 16.00 here in before but of size 40 mm bore obtain from item no. 15.00 here in before. , material and labour for laying of galvanised steel gl tubing 50 mm bore medium grade isi marked conforming to is 1239 , all as per item no 18.00 here in before but of size 40 mm bore. , supply laying 3 layered pp 1 30r polypropylene random copolymer pipes 32 mm outer dia with brass spindle , all as per item no 22.00 here in before but of size 100 mm bore of pipe . ,