D3. SCOPE OF WORK
D3.1 The Work to be done under the Contract shall consist of upgrading the UV Facility including replacing the UV system, replacing gates, replacing existing roofing, improving ventilation, piping, road works, landscaping, electrical works, and construction of a storage building located at the City of Winnipeg North End Water Pollution Control Centre.
D3.2 The funds available for this Contract are $19,200,000, exclusive of any payments for early completion of the critical stages as described in D19.
D3.3 The major components of the Work are as follows:
(a) Supply and install two (2) temporary bulkheads so that secondary effluent cannot flow through or back into the UV system during construction. Remove once shutdown is over. Contractor to design bulkheads and provide Shop Drawings.
(b) UV system removal and installation is to be completed during a four (4) month shutdown of the existing disinfection system. At a minimum, two (2) channels must be fully functional and meeting licence requirements following the shutdown. All remaining work is to be done with isolation gates during operation of the facility.
(c) Supply and construct the new storage room, complete with piles, concrete pad, superstructure, electrical, mechanical, doors, overhead door, loading bay and plumbing.
(d) Install and replace the existing two (2) 4160V to 600 V transformers on the existing pad during the bypass period. Install and replace the existing two (2) 4160 to 480 V transformers on the existing pad during the bypass period. These transformers have been prepurchased by the City. If the transformers are not delivered before January 14, 2026, the existing transformers will temporarily be reused while the new transformers will be installed sequentially. Additional work to perform the temporary connection and sequential installation will be paid for with Cash Allowance #1. Contractor to provide a detailed cost breakdown upon request by the Contract Administrator.
(e) Supply and install fence and gates around the transformers.
(f) Supply and installation of an overhead door on the North side of the UV Facility.
(g) Supply and installation of two (2) ventilation fans for the UV channel, complete with controls.
(h) Replace existing roofing on existing UV Facility and tie into new storage room roof.
(i) Install new access road, and modify existing roads, complete with demolition.
(j) Install gravity flow access pipe complete with blind flanges in the UV effluent conduit.
(k) Supply and install three (3) monorails for removal of channel cover plates.
(l) Remove existing UV Systems in the three (3) channels and replace with new prepurchased UV systems from the City.
(m) Install all wiring, power supplies, fire alarms, panels, programming, instrumentation and controls required for operation of the new UV system.
(n) Remove and replace the existing 600V and 480V switchgear for operation of the UV Facility with new prepurchased Motor Control Centers from the City.
(o) Upgrade the three (3) UV channels to fit the new prepurchased UV systems including installing new concrete channel floor, grouting and securing them in place.
(p) Complete all electrical work, and controls for a fully functional and programmed UV System.
(q) Temporary services such power and water.
(r) Install removeable channel covers in each channel.
(s) Remove existing stop logs on upstream end of each UV channel and replace with slide gates and actuators in each of the three (3) channels. Gates and Actuators have been prepurchased by the City.
(t) Remove and replace existing weir gates and actuators downstream of the UV systems in each of the three (3) channels. Gates and Actuators have been prepurchased by the City.
(u) Supply and install a hatch to the east of the UV channels for access to UV effluent conduit.
(v) Move piping and electrical as required for installation of new UV system, and new doors.
(w) Supply and install all yard piping, fittings, couplings, transitions, connections, and valves.
(x) Complete all Site Work, Site grading, roadwork, and Site Utility Work.
(y) Provide all information to fill in the City of Winnipeg Asset forms such as Oracle Work and Asset Management (OWAM).
(z) All other auxiliary equipment, structures, and systems required to complete the Work.
(aa) Abate, load, transport and dispose of all known hazardous excavated soil, requiring removal to complete the Work, prior to backfilling.
