Construction of WWTP Expansion to 0.5 MGD for CCID No. 3

The work consists of providing the necessary labor, materials, equipment, and supervision to construct Wastewater Treatment Plant Expansion to 0.5 MGD for Chambers County Improvement District No. 3.

The site work contractor is responsible for all site work, including but not limited to expansion of the capacity of the existing lift station including bypass pumping, demolition and replacement of three (3) submersible pumps with all accessories, riser piping, valves, and coatings; yard piping; site work; demolition of existing fencing; installation of new wood fencing; site work; crushed concrete roads and IWTP pad; protective coatings, concrete pads; site grading; new utility electrical service; service entrance equipment; diesel generator and automatic transfer switch; 480V distribution panelboard; 120/240V panelboard; transformer; lighting contactor panel; autodialer; SPD; site lighting; electrical rack and supports; underground duct banks; wires and conduits from the terminal box at Aeration Basin No. 4 at Train No. 2 to the new electrical rack; installation of the PLC panel at the new electrical rack; modification to lift station control panel; grounding; all associated electrical and site work; facility start-up in its entirety; and all else specified and shown in the construction documents and not specifically addressed in the package plant vendor agreement, complete in place for a fully functioning plant.

The package plant vendor scope for the 300,000 gallon per day interim package wastewater treatment plant facilities shall include delivery and assembly of the facilities with all accessories and equipment; including aeration basins; multi-stage digester units; final clarifier; chlorine contact basin; non-potable water system; sodium hypochlorite disinfection equipment, disinfection equipment building, sodium bisulfite dechlorination equipment, dechlorination equipment building, and dechlorination submersible mixing pumps; eyewash and safety showers with canopy; effluent automatic sampler, walkways, bridges, and handrails; air diffusion equipment; air lifts; flow measurement equipment and PLC control panel; blowers; aboveground interconnecting piping, valves, fittings, supports; hose bibbs; control panels for equipment including the blowers, clarifier, non-potable water system, effluent flow measurement and dechlorination mixing pumps; basin lighting, and all other electrical plant devices; and electrical wiring (including wiring to the terminal boxes at Aeration Basin No. 4 at Train No. 2); and all accessories, equipment, piping, etc. within the plant, complete as specified. Within the package plant vendor scope is all the plant related functions from the stub up for screened influent piping upstream of Aeration Basin No. 4 at Train No. 2 and the stub up for the effluent piping downstream of the chlorine contact basin at Train No. 2; the dechlorination equipment and dechlorination mixing areas; and everything in between. The installation of the package plant vendor facilities shall be the responsibility of the package plant vendor. Installation includes all delivery, installation and start-up. The site work contractor shall coordinate with the package plant vendor for all connections and slab dimensions.

At the package plant vendor facilities, the site work contractor is responsible for all site work shown in the construction drawings including all work not associated with the package plant vendor facilities. However, the site work contractor is responsible for concrete slabs and pads, and all buried piping located within the limits of the proposed package plant vendor facilities. All buried piping shall be installed with a flanged stub-up approximately 12-inches (12”) above finished grade at all locations. The site work contractor shall perform all electrical work including connection from a new electrical service to the service rack including all aboveground conduit and wire to pads. The package plant vendor’s contractor is responsible for all electrical work downstream of the local control panels, including the control panels. The site work contractor is responsible for all underground duct bank work and all other electrical work from the main service rack to the local control panels for the package plant vendor equipment. The site work contractor is responsible for coordination with plant lessor firm to coordinate pipe and electrical connections, buried pipe locations, deliveries and schedules.

## Details **Bid/Project ID:** 05479-0104-01 **Type of Work:** Wastewater Treatment Plant and Lift Station Expansion **Pre-Bid Location:** Teleconference **Pre-Bid Notes:** Call in number: 425-436-6397 Access Code: 385345. Not mandatory. **Bid Location:** Teleconference **Bid Notes:** Call in number: 425-436-6397 Access Code: 385345 **Engineer/Publisher:** Quiddity Engineering, LLC **Engineer Address:** 6330 West Loop South, Suite 150, Bellaire, TX, 77401