DWS-938 (RFB #489119) - Sewer Condition Assessments in Various Locations Throughout City of Detroit

The contract is for a term of 1 year and the work consists of:

1)    The cleaning of, and removal of foreign material from, approximately 147,612 LF of sewers in order to be able to conduct a NASSCO compliant inspection.
2)    The NASSCO-compliant inspection of approximately 338,174 LF of sewers using internal video and multi-sensor equipment for the purposes of recording structural and service defects.
3)    The inspection of approximately 824 manholes using side scanning imagery and point cloud collection equipment to NASSCO Manhole Assessment Certification Program (MACP) Level 2 inspections for the purposes of recording structural and service defects.
4)    The as-needed removal and replacement of existing privately-owned facilities (e.g., fences, gates, landscaping, and paved areas) that prevent access to City of Detroit assets (i.e., manholes).
5)    The cleaning and inspection of 2,101 catch basins, and the removal and vacuuming of dirt/debris and sludge. Catch basins in MDOT ROW (e.g. I-75, M-10, M-12, etc.) are not to be inspected however any catch basins in DWSD's jurisdiction not mapped but discovered in the field adjacent to the pipes identified for inspection are to be inspected.
6)    The dye testing of approximately 135 sinkholes.
7)    The GPS surveying of approximately 824 manholes, 2,101 catch basins.
8)    The raising to grade of approximately 81 manholes, as needed.
9)    Any work adjacent to any Wayne County and MDOT road jurisdictions shall be in accordance with the requirements of the Wayne County and MDOT Authorities respectively.