tender for tentative estimate preliminary survey for laying of 132kv railway tss lineunder etd hapur-route survey & prepration of drawing including digging of trial pits for specified route length with the following mentioned points.(a) laying of 4x630sqmm xlpe cable from 11th overhead tower to newly planned railway 132kv tss substation in between existing running 3x400sqmm xlpe cables and running khurja-meerut railway track. (b) safe crossing of new 4x630sqmm xlpe cables from road and railway tracks.(c)providing route map and route locator for newly laid 4x630sqmm xlpe cable. (d) providing nocs from bsnl,iocl, water pipeline and etc if found during digging /laying of new 4x630sqmm xlpe cables. (if required)