bid document for selection of contractor for “topographical survey by modern technique & geotechnical investigation, planning, design ( hydraulically, aesthetically, structurally with manual operators ) , engineering and drawing as per guidelines of government of india ( goi ) , ministry of expenditure procurement manual of works contract ( latest ammendment ) & bis codal / cpheeo provisions, procurement or supply of engineering items as approved in quality assurance plan ( qap ) , health, safety & environment, construction, erection, installation, testing, trial run and commissioning succesfully of 5 mld capacity conventional storm water treatment plant ( swtp ) to deliver water fit for drinking to be used in cooling tower of assam biorefinery pvt. ltd. ( abrpl ) at numaligarh, dist. gologhat, assam, india including provision of raw water rising main ( rwrm ) & clear water rising main ( cwrm ) pipeline & associated works” on engineering procurement construction ( epc ) / design and build contract basis