Description :
Tenders for Providing Gi Pipes Class B Marked With Is: 1239 In 3.05 M Length, Their Threading And Welding With Flanges (heavy Duty) On Both Sides, Jointing With Nuts And Bolts ( W Make), Rubber Gaskets , Lowering Into Tube Wells And Testing Including Carriage, Loading, Unloading Etc. Complete In All Respects To The Satisfaction Of Engineer-in- Charge. 4. 100 Mm I/d , Installation Of Shallow/medium/deep Tubewells As Per Is 2800:1991 Supplying And Packing Graded Gravel In Bore Well Of Size As Per Isi 4097, As Amended Up To Date (grade A) And Specification Attached With This Schedule Of Item Of Work. The Gravel Should Be Free From Dust, Dirt Or Vegetable Matters. Packing To Be Done From The Housing Pipe To The Bottom Of Liner All Around In The Bore And Will Be Placed After Liner And Housing Pipes Have Been Lowered And Suitably Clamped. Thickness And Size Of The Gravel Packing Will Be Designed And Directed By The Engineer-in-charge Strictly As Per Relevant Isi.
