CLEANING OF FLOCCULATION TANKS

2026-11-03

Successful seller shall be required to supply the City of Philadelphia ’ s , Water Department with cleaning of flocculation tanks at the head of the primary sedimentation tanks located at the SWWPC and SEWPCP Plant Locations as listed in Sections 2 and 5 of this invitation and bid . 2 . 2 General Specifications 2 . 2 . 1 At the SWWPCP there are 4 Flocculation Tanks each of approximately 16 ’ deep , 29 ’ wide and 300 ’ long . Two ( 2 ) tanks make one set and one set shall be drained at a time by the City . At the SEWPCP there are 2 Flocculation Tanks that handle 50 % each of flow daily . 2 . 2 . 2 Grit and other inorganic material from wage settles on the bottom of these tanks – unevenly . The actual quantity of grit & other inorganic material removed during the last contract period from the 4 Flocculation Tanks at the SWWPCP was approximately 3 , 000 tons and while the 2 Flocculation Tanks at the SEWPCP was approximately 1 , 500 tons . 2 . 2 . 3 The successful seller shall be required to supply ladders , hoisting equipment , trucks back hoes , bob cats , etc ., with operators and other necessary labor to remove the material out of the flocculation tanks . They should unload material at the designated spot within the Plant . The cost of any equipment or labor needed to complete the job should be included in the tonnage cost .

Pennsylvania

2026-05-09