Bids Are Invited For [Bidding Net] - The Purpose Of This Tender Is To Hire A Company Specialized In Septic Tank Drainage Services, Grease Traps And Inspection Boxes, With The Supply Of Material And Labor, To Be Carried Out On Demand, In School Units In The Municipality Of Oriximiná – Urban Zone, In Compliance With The Demands Of The Municipal Department Of Education – Semed, In Line With The Quantities, Specifications And Conditions Contained In The Terms Of Reference (Annex I) Of The Call For Tenders.