Renovation of a water / sewer project in Greater Sudbury, Ontario. Completed plans call for the renovation of a water / sewer project.

Request for Tender (RFT) for Wanapitei Water Treatment Plant Filter Upgrades. Category 2: Water and Wastewater Treatment Plants Construction/Project Value: <$5M Documents can be obtained at: https://greatersudbury.bidsandtenders.ca Question Deadline 01/31/2025 at 11:59 PM ET A. The following work will be performed for each Contract as follows: 1. Removal and disposal of existing filter media. 2. Demolition and removal of filter false floors and existing nozzle systems along with false floor support piles, etc. 3. Concrete repairs to the existing filter concrete boxes, backwash channel including major cracks and other related concrete repairs as specified and identified during inspections after media and floor removals. 4. Replacement of the existing air distribution header inside filter lower floors (plenum) along with supports, flanged connection spools imbedded in concrete. 5. Refurbishment of blind flanged access inspection connection to underdrain plenum space. 6. Installation, testing and commissioning of the new filter underdrain system supplied by Orthos Liquid Systems (Underdrain System Supplier). 7. Installation of new filter media. 8. Associated electrical and controls. B. The work of the Contract more specifically consists of, but is not limited to: 1. Decommission and removal of existing gravity Filter No. 3 and perform demolitions and removals. 2. Replacement of existing 200 mm air distribution header underneath of the existing false floor with new header pipe along with fittings, coupling, flanges, supports, fasteners. The length, alignment and air nozzles shall be coordinated with new underdrain system with no conflict with the underdrain nozzle sleave pipes. 3. Installation of new concrete false floor with new underdrain system, concrete repairs, disinfection, testing and commissioning of new systems as well as installation of new filter media. 4. Remove and replace the existing 200 mm DI air spool pipe embedded in concrete, with new S.S. flanges spool piece with water-stop and restore the concrete wall after installations as shown on Contract Drawings. 5. Supply and install bulkheads, and other temporary fittings as needed during removal and installations. 6. All installations, start-up, testing, commissioning, and training. C. The description of the work is not, nor is it intended to be, complete and all inclusive. 1. The following items shall be the base scope of work: a. Crack Repair: Preparation and sealing of cracks per Consultant's direction. Supply and installation of approved polyurethane/epoxy material by injection. Contractor shall allow for crack repair per Contract Provisional items. b. Concrete Spall Repair: Supply and installation of repair mortar/grout/concrete including surface preparation of spalled and unsound concrete. Contractor shall allow for removal and replacement of unsound concrete per Contract Provisional Items. c. Expansion/lsolation Joint Repair: Cleaning and preparation and sealing of joints. Supply and installation of joint filler, backer rod and joint sealant as applicable to waster water exposure. Contractor shall allow joint repair per Contract Provisional Items. d. Include for mobilization, scaffolding, heating, curing, ventilation, testing, and tools required to carry out work as specified, and demobilization, in the unit rate of Contract Provisional Items.