City of Phoenix #WS90500273-014

Rehabilitation of 100 Phoenix sanitary sewer manholes in North Zones 5 and 6

The City of Phoenix is seeking a construction contractor to rehabilitate 100 sanitary sewer manholes and structures in North Zones 5 and 6. - Government buyer: City of Phoenix, Water Services Department; Office of the City Engineer, Design and Construction Procurement. - Scope: Design-bid-build rehabilitation of 100 active manholes or structures identified in the city’s condition assessment. Work varies by location and may include protective coating and defect repairs, bench and channel repairs, structural inserts, PVC liner repairs, and collar, frame, and cover replacement. - Bid schedule quantities: 52 collar/frame/cover replacements (M3500028); 5,786 square feet of chimney, cone, and barrel defect-repair coating (M6256260); 77 channel-coating items (M6256260); 92 bench-repair-and-coating items (M6257015; one 48-inch and 91 60-inch); 865 vertical feet of 54-inch inserts (M6257450); 100 video quality-control items (M6261400); 100 traffic-control items (M4012000); two lump-sum flow-diversion/bypass-pumping items (M6153200); and two lump-sum mobilization/demobilization items (M1081000). These are city bid-item codes, not manufacturer part numbers. - Additional service allowances: Two off-duty law-enforcement allowances (M4013000) and two extra-work allowances (M1042005), one of each for each zone. - Notable requirements: The contractor may need to divert wastewater flows and use small-diameter flow-through plugs. Requirements include field-measuring before purchasing materials, removing steps, blast-cleaning surfaces, restoring disturbed areas, reinstating pipe connections, and completing spark and pull tests. A 2.5% Small Business Enterprise participation goal applies. - OEMs and vendors: No product manufacturers or commercial vendors are named. The city project manager identified in the plans is Saul Duran. - Performance: Complete the work within 300 calendar days after the start date specified in the Notice to Proceed; no option years or subscription period are stated.

Description

The City of Phoenix is seeking bids for construction services to rehabilitate 100 active sanitary sewer manholes or structures identified in the Large Diameter Sanitary Sewer Condition Assessment Report. Work may include corrosion-coating systems, structural inserts, and liner repairs within existing manholes. Bypass pumping may be required at select manholes, and small-diameter flow-through plugs may be used to complete the work. The project is citywide and has a 2.5% Small Business Enterprise goal.

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