415-2025 - Chlorine Ventilation Upgrades at Regional Pumping Stations

D3.          SCOPE OF WORK

D3.1        The Work to be done under the Contract shall consist of  HVAC and associated electrical and automation upgrades at the Chlorine Buildings at the Hurst Regional Pumping Station, the MacLean Regional Pumping Station, and the McPhillips Regional Pumping Station.

D3.2        The major components of the Work are as follows:
D3.2.1             MacLean Regional Pumping Station:
(a)   The supply and installation of new HVAC equipment in the chlorine building:
(i)     New chlorine scrubber located outside;
(ii)     New make up air unit for the tonner room. Located in the pumphouse mezzanine;
(iii)     New exhaust fans for the tonner room;
(iv)     New supply and exhaust fans for the chlorinator equipment room;
(v)     New electric duct heater for the chlorinator equipment room;
(b)   removal of door between the chlorinator equipment room and the tonner room and sealing of opening;
(c)    the supply and installation of emergency safety showers at the tonner room entrances. Structural upgrades to the west and south entrances of the tonner room to accommodate safety showers;
(d)   the supply and installation of normal lighting and emergency lighting in the chlorinator equipment room and tonner rooms. Demo existing lighting;
(e)   replace all existing receptacles and switches in the chlorine building to comply Class 2 (NEMA 4X) hazardous classification;
(f)    paint all existing conduit and junction boxes, pull boxes that do not comply with Class 2 (NEMA 4X) hazardous classification;
(g)   the supply and installation of new chlorine gas detection system;
(h)   the supply and installation of an HVAC PLC panel and commissioning;
(i)     Provide and program new HVAC PLC local HMI screen as per City of Winnipeg requirements.
(j)     upgrades of the HVAC and related control systems (including PLC programming);
(k)    the supply and installation of MCC buckets with all required controls for new 600V equipment;
(l)     the supply and installation of feeder breakers for new 600V and 120/208V equipment;
(m)  the supply and installation of HVAC control and starter panels;
(n)   supply and installation of instrumentation equipment;
(o)   field calibrate and commission all new instrumentation equipment;
(p)   the supply and installation of new overhead door in the Tonner Room.
(q)   the supply and installation of new tonner storage trunnions.
(r)    provision of concrete pads, bollards, and fencing;
(s)    provision of asbestos abatement to accommodate the Work;
(t)    completion of minor structural repairs to accommodate the Work as required; and
(u)   demolition and removal of existing equipment to be replaced;
(v)    Refer to the drawing set and complete specification for additional details.
D3.2.2   McPhillips Regional Pumping Station:
(a)   The supply and installation of new HVAC equipment in the chlorine building:
(i)     New chlorine scrubber located outside;
(ii)     Two new rooftop make up air unit for the tonner room;
(iii)     New exhaust fans for the tonner room;
(iv)     New supply and exhaust fans for the chlorinator equipment room;
(v)     New electric duct heater for the chlorinator equipment room;
(b)   removal of door between the chlorinator equipment room and the tonner room and sealing of opening;
(c)    new entry vestibule for the tonner room;
(d)   provide heat tracing for drain underneath new vestibule;
(e)   the supply and installation of emergency safety shower at the tonner room entrance;
(f)    reconfigure lighting control to separate switching in chlorinator equipment and tonner room;
(g)   replace all existing receptacles and switches in the chlorine building to comply with Class 2 (NEMA 4X) hazardous classification;
(h)   paint all existing conduit and junction boxes, pull boxes that do not comply with Class 2 (NEMA 4X) hazardous classification;
(i)     the supply and installation of new chlorine gas detection system;
(j)     the supply and installation new remote I/O panel and commissioning;
(k)    provide and program additional HMI screens to existing HVAC PLC panel local HMI as per City of Winnipeg requirements.
(l)     upgrades of the HVAC and related control systems (including PLC programming);
(m)  the supply and installation of MCC buckets with all required controls for new 600V equipment;
(n)   the supply and installation of feeder breakers for new 600V and 120/208V equipment;
(o)   the supply and installation of HVAC control and starter panels;
(p)   supply and installation of instrumentation equipment;
(q)   field calibrate and commission all new instrumentation equipment;
(r)    the supply and installation of new overhead door in the Tonner Room. Modification of existing monorail system to accommodate new door.;
(s)    the supply and installation of new tonner storage trunnions;
(t)    provision of concrete pads, bollards;
(u)   expansion of existing parking lot to add more stalls and all landscaping and sodding and or seeding associated with parking lot upgrades;
(v)    provide guard rails on the roof as shown on drawings ;
(w)   provision of asbestos abatement to accommodate the Work;
(x)    completion of minor structural repairs to accommodate the Work as required; and
(y)    demolition and removal of existing equipment to be replaced;
(z)    refer to the drawing set and complete specification for additional details.
D3.2.3             Hurst Regional Pumping Station
(a)   The supply and installation a new HVAC equipment in the chlorine building:
(i)     New chlorine scrubber located outside;
(ii)     New rooftop make up air unit for the tonner room;
(iii)     New exhaust fans for the tonner room;
(iv)     New supply and exhaust fans for the chlorinator equipment room;
(v)     New electric duct heater for the chlorinator equipment room;
(b)   removal of door between the chlorinator equipment room and the tonner room and sealing of opening;
(c)    two new entry vestibules for the tonner room;
(d)   Provide heat tracing for drain underneath new vestibules.
(e)   the supply and installation of emergency safety shower at each tonner room entrance;
(f)    the supply and installation of normal lighting and emergency lighting in the chlorinator 
equipment room and tonner rooms. Demo existing lighting;
(g)   replace all existing receptacles and switches in the chlorine building to comply Class 2 (NEMA 4X) hazardous classification;
(h)   paint all existing conduit and junction boxes, pull boxes that do not comply with Class 2 (NEMA 4X) hazardous classification;
(i)     the supply and installation of new chlorine detection system;
(j)     the supply and installation new remote I/O panel and commissioning;
(k)    provide and program additional HMI screens to existing HVAC PLC panel local HMI as per City of Winnipeg requirements
(l)     upgrades of the HVAC and related control systems (including PLC programming);
(m)  the supply and installation of feeder breakers for new 600V and 120/208V equipment;
(n)   the supply and installation of HVAC control and starter panels;
(o)   supply and installation of instrumentation equipment;
(p)   field calibrate and commission all new instrumentation equipment;
(q)   supply and installation of a new fire alarm system. Demolish existing fire alarm system;
(r)    the supply and installation of new overhead door in the Tonner Room and Main Pumphouse;
(s)    the supply and installation of new tonner storage trunnions;
(t)    provision of concrete pads, bollards, and fencing;
(u)   provision for new walkway south of the station from parking lot to new concrete scrubber pad;
(v)    provision of asbestos abatement to accommodate the Work;
(w)   completion of minor structural repairs to accommodate the Work as required; and
(x)    demolition and removal of existing equipment to be replaced.
(y)    refer to the drawing set and complete specification for additional detail.
D3.3        The following shall apply to the Services:
(a)   City of Winnipeg Green Building Policy: New City-Owned Buildings and major additions; http://clkapps.winnipeg.ca/DMIS/DocExt/ViewDoc.asp?DocumentTypeId=2&DocId=5989
(b)   Universal Design Policy http://clkapps.winnipeg.ca/DMIS/DocExt/ViewDoc.asp?DocumentTypeId=2&DocId=3604
(c)      City of Winnipeg Water and Waste Department WWD CAD/GIS Standards; https://winnipeg.ca/waterandwaste/pdfs/dept/CAD-GIS-Specifications.pdf
(d)     City of Winnipeg Water & Waste Department Identification Standard; and
(e)     City of Winnipeg Water & Waste Department Electrical Design Guide.
D3.4  The funds available for Contract are: $4,850,000 (including MRST).