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1 DEPARTMENT OF PROCUREMENT SERV CES - CITY OF CHICAGO April 11,2018 This document contains: ADDENDUM NO. 3 FOR 3 & 4 Wheel Street Sweepers Specification No Revisions To The Specification Questions Submitted for Clarification of the Specification. Addendum Receipt Acknowledgment For which Bids are scheduled to be received no later than 11:00 a.m., Central Time on April 23, 2018, in the Department of Procurement Services, Bid & Bond, Room 103, City Hall. Required for use by: City of Chicago Department of Fleet and Facility Management This Addendum is distributed by: C TY OF CHICAGO Department of Procu rement Services Bidder must acknowledge receipt of this Addendum No. 3 on the Bid Execution Page (Article I l) and should complete and return the attached Acknowledgment l-åi iiî # ä i,"#i:lä:9å'fl:it i ;: : ffij? ( The information contained in this Addendum No. 3 is incorporated by reference into the original Specification issued on February 13, RAHM I. EMANUEL MAYOR JAMIE L. RHEE CHIEF PROCUREMENT OFFICER Page I

2 April 11,2018 ADDENDUM NO. 3 TO 3 & 4 WHEEL STREET SWEEPERS For Specification No FOR WHICH BIDS ARE SCHEDULED TO BE OPENED IN THE BID & BOND, ROOM 103, CITY HALL, CHICAGO, ILLINOIS BY 11 :00 a.m., CENTRAL TIME ON APRIL 23,2018. Bidder must acknowledqe receipt of this Addendum No. on the Bid Execution paqe (Article ll) and should complete and return the attached Acknowledgement bv to humberto.m ovat6dc ifu ofch icaoo.oro. SECTION l: REVISIONS TO THE SPECIFICATION Revision # Description 1) Article 5, TERMS FOR VEHICLE AND EQUIPMENT MAINTENANCE CONTRACTS, Section 5.3. Shop Facilities paragraph one, the address is revised as follows : The Contractor must have, or must provide a Subcontractor which has, factory trained mechanics and personnel, and adequate shop facilities, tools, parts and service facilities in the Chicago Metropolitan area (defined as being no more than 40 road miles from 210 W. 69th Street, Ghicago ll 60621) to service the equipment under this contract in its own shop. Upon request, the shop facility will be open to inspection by any City representatives. 2) Article 6, SCOPE OF WORK AND DETAILED SPECIFICATIONS, Section Delivery, the address and contact information is revised as follows: The Contractor must deliver the specified vehicles or equipment, complete with all attachments and ready for use. Delivery must be made between the hours of 8:00 a.m. and 2:30 p.m., Monday through Friday, excluding Holidays. Vehicles must be delivered F.O.B. Destination (City of Chicago), ll at the following address: Page 2

3 Department of Fleet and Facility Management 210 W. 69th Street Ghicago ll Attn: Kevin Campbell, Phone #: ( ) Article 6, SCOPE OF WORK AND DETAILED SPEÇIFICATIONS, Section MEETINGS & INSPECTIONS is revised to add the following paragraph as follows: A pre-delivery inspection must be performed at the manufacturing facility prior to each unit being completed and shipped. Two representatives from the using department and two representatives from the Department of Fleet and Facility Management (2FM) will attend this inspection. The expense of appropriate travel, lodging and meals for this inspection must borne by the Contractor. 4) Article 6, SCOPE OF WORK AND DETAILED SPECIFICATIONS, Section Training/Technical Assistance, paragraph three is revised as follows ln addition, for each unit delivered, the Contractor must provide an eight (8) hour training program for City trades technicians. These technicians must be trained in diagnostic and preventive maintenance procedures, general maintenance and repair along with systems reconditioning for the unit and any auxiliary items. This training will be conducted by knowledgeable, experienced personnel, at the facility of the Department of Fleet and Facility Management. The Contractor must furnish vehicletraining manuals and other multimedia training aids. 5) Article 6, SCOPE OF WORK AND DETAILED SPECIFICAT ONS, Section Electrical System (ltem C), is revised as follows: C. Unit must be equipped with a minimum capacity alternator of 95 RPM. Alternator output must exceed the electrical draw requirements of the sweeper and all specified aftermarket attachments. 6) Article 6, SCOPE OF WORK AND DETAILED SPECIFICATIONS, Section Lighting (ltem E), is revised as follows: E. A total of 2 LED amber flashing lights must be installed on the sweeper, mounted at the rear of the unit. 7) Article 6, SCOPE OF WORK AND DETAILED SPECIFICATIONS, Section Hydrostatic Drive (ltem B), is revised as follows: Page 3

4 B. The drive system must consist of hydrostatic variable displacement piston pumps and separate variable displacement wheel motors equipped with pressure override relief valves. 8) Article 6, SCOPE OF WORK AND DETAILED SPECIFICATIONS, Section Brakes (ltem G), is revised as follows: C. Brake lines must be stainless steel or rubber hose. 9) Article 6, SCOPE OF WORK AND DETAILED SPECIFICATIONS, Section Gab (ltem l), is revised as follows: l. Cab interior must be equipped with the following items: - Dual l6" diameter (approx.) steering wheels; - Dual sun visors; - Switch activated dome lights; - llluminated dash gauges, including fuel gauge, ammeter, speedometer, tachometer, engine temperature, oil pressure, hydraulic fluid temperature, and hour meter (5 digits + tenths); and - Permanent tags / labels identifying all cab controls. 10) Article 6, SCOPE OF WORK AND DETAILED SPECIFICATIONS, Section Water Spray System (ltem G), is revised as follows: G. The water spray system must utilize a diaphragm pump with run dry capability. The pump must be rated at a minimum 5 GPM at 40 PSl. 1l) Article 6, SCOPE OF WORK AND DETAILED SPECIFICATIONS, Section Painting / Rustproofing (ltem B), is revised as follows: B, All metal surfaces of cab and chassis must be primed with sufficient coats of DuPont # light gray "non-sanding" spray primer, or zinc rich primer. 12) Article 6, SCOPE OF WORK AND DETAILED SPECIFICATIONS, Section Bid Line #2: Compressed Natural Gas Engine (ltem B), is revised as follows: B. CNG engine must produce a minimum of RPM. l3) Article 6, SCOPE OF WORK AND DETAILED SPECIFICATIONS, Section Page 4

5 '1. Overall Design-Chassis (ltem C), is deleted in its entirety 14) Article 6, SCOPE OF WORKAND DETAILED SPECIFICATIONS, Section Overall Design-Chassis (ltem D), is revised as follows: D. Wheelbase must be a minimum of 136". 15) Article 6, SCOPE OF WORKAND DETAILED SPECIFICATIONS, Section Frame (ltem D), is deleted in its entirety. l6) Article 6, SCOPE OF WORKAND DETAILED SPECIFICATIONS, Section Cooling System (ltem D), is revised as follows: D. Premium or silicone radiator and heater hoses must be furnished Hose clamps must be reusable type. 17) Article 6, SCOPE OF WORK AND DETAILED SPECIFICATIONS, Section Cooling System (ltem E), is deleted in its entirety. 18) Article 6, SCOPE OF WORKAND DETAILED SPECIFICATIONS, Section Exhaust System (ltem B), is revised as follows: B. The vehicle must be equipped with a muffler and exhaust with an after-treatment system. lf vertical, stack must be equipped with a 90" elbow or rain cap. l9) Article 6, SCOPE OF WORK AND DETAILED SPECIFICATIONS, Section Lighting/Alarms (ltem H), is revised as follows: H. The vehicle must be equipped with a 36" LED roof mounted amber beacon light. Beacon must be installed on a stainless steel or aluminum gutter-mount roof bar. (Mounting method and location are subject to approval by 2FM prior to installation). 20) Article 6, SCOPE OF WORK AND DETAILED SPECIFICATIONS, Section Transmission (ltem C), is revised as follows: C. An external transmission oil filter must be plumbed "downstream" of the transmission oil cooler, and mounted in a readily accessible location, if recommended by the transmission manufacturer. Page 5

6 2l) Article 6, SCOPE OF WORK AND DETAILED SPECIFICATIONS, Section Axles (ltem A), is revised as follows: A. Front axle must be 10,000 lbs minimum rated capacity. Axle must be equipped with oil hubs. 22) Article 6, SCOPE OF WORK AND DETAILED SPECIFICATIONS, Section Steering/Suspension (ltem D), is revised as follows: D. Rear suspension must be either an air bag or rubber type; fully sprung during transport, and solid during dumping. 23) Article 6, SCOPE OF WORK AND DETAILED'SPECIFICATIONS, Section Cab, first paragraph is revised as follows: The cab must be metal construction except for the hood if applicable, with tinted safety glass throughout, and constructed as described below and equipped with the following instrumentation and accessories: 24) Article 6, SCOPE OF WORK AND DETAILED SPECIFICATIONS, Section Cab (ltem D), is revised as follows: D. Two individual operator's seats. Seats must be air suspension type, with heavy duty upholstery, high backrests and foam cushions. Three point seat belts must be provided for each seat; 25) Article 6, SCOPE OF WORK AND DETAILED SPECIFICATIONS, Section Gab (ltem l), is revised as follows: L Outside rear view mirrors, West Coast with a minimum 6-112" x 14" retractable extension arm type, right and left, hinge mounted with heavyduty bracing; adjustable right, left, fore and aft; separate 8" diameter convex mirrors. To maximize operator visibility of the curb and sweeping gear; 26) Article 6, SCOPE OF WORK AND DETAILED SPECIFICATIONS, Section Cab (ltem M), is revised as follows: M. Metal traction type access steps installed below each door; 27) Article 6, SCOPE OF WORKAND DETAILED SPECIFICATIONS, Section Gab (ltem V), is revised as follows: Page 6

7 V. Cab must be cab-over style or conventional style, with the cab or hood folding fonryard to provide access to the engine. 28) Article 6, SCOPE OF WORK AND DETAILED SPECIFICATIONS, Section Water Spray System (ltem D), is revised as follows: D. Rear or main spray bars must be constructed of non-ferrous components to prevent contamination and should be removable without the use of tools. 29) Article 6, SCOPE OF WORK AND DETAILED SPECIFICATIONS, Section Water Spray System (ltem H), is revised as follows: H. The system plumbing must incorporate a fill port and a drain valve, and allow drain water to be diverted prior to the pump. 30) Article 6, SCOPE OF WORK AND DETAILED SPECIFICATIONS, Section Main Broom (ltem J), is revised as follows: J. Main broom must be shielded by a broom hood. 3l) Article 6, SCOPE OF WORK AND DETAILED SPECIFICATIONS, Section Hopper (ltem E), is revised as follows: E. Lift capacity must be not less than 11,000 lbs. 32) Article 6, SCOPE OF WORK AND DETAILED SPECIFICATIONS, Section Painting/Rustproofing (ltem A), is revised as follows: A. All metal surfaces must be sanded, etched or shot-blasted prior to painting to ensure removal of any/all surface rust, welding slag, soot, dirt, grease and wax. 33) Article 6, SCOPE OF WORK AND DETAILED SPECIFICATIONS, Section Safety Enhancing Requirements, is added as follows: Safety Enhancing Requirements All trucks ordered under this contract must comply with MCC 2'92'597. Gontractor and any Subcontractor must retrofit large vehicles built in the performance of the contract with: A. Lateral protective devices. This requirementshall be considered Page 7

8 satisfied if: (i) the vehicle is equipped with vehicle side guards in accordance with the requirements of the Volpe side guard standard; or (ii) the vehicle is so designed or equipped at the side that, by virtue of its shape and characteristics, ts component parts can be regarded as replacing orfunctioning as vehicle side guards in accordançe with the Volpe side guard standard; or (iii) the vehicle cannot be retrofitted with lateral protective devices as attested by the Gontractor or the Subcontractor in a statement accompanied by certification from hryo manufacturers of such devices; B. Left and right side convex mirrors; and C. At least one crossover mirror on the passenger side of each conventional cab provided under this contract. D. A certification must be provided that the Gontractor and any Subcontractor in the contract have met the requirements MCC and the terms of the contract specified pursuant to that section. 34) Article 6, SCOPE OF WORK AND DETAILED SPECIFICAT ONS, Section Costs, is added as follows: Costs AII costs that the Contractor or any Subcontractor may incur to comply with contract requirements imposed pursuant to this section are incidentalto the overallcontract. No additionaltime or monies shall be granted to the Contractor for compliance with these requirements. The Gommissioner or authorized representative of 2FM is authorized to inspect or to have inspected any large vehicle constructed under this Gontract in order to ensure compliance with Safety Enhancing Equipment requirements and MCC Page 8

9 SEGTION ll: QUESTIONS SUBMITTED FOR CLARIFIGATION OF THE SPECIFICATION 1. Question: Section Electrical System: ltem C: Current: Unit must be equipped with a minimum capacity alternator of RPM. Alternator output must exceed the eleótrical draw requirements of the sweeper and all specified aftermarket attach ments. a. Request: Unit must be equipped with a minimum capacity alternator of 95 amperes. Alternator output must exceed the electrical draw requirements of the sweeper and all specified aftermarket attachments. Answer: See Revision# 5 in this Addendum. 2. Question: Section Lighting: ltem E: Current:Atotalof 2 LED amberflashing lights must be installed on the sweeper, mounted at the rear of the unit on the side panels. a. Request: A total of 2 LED amber flashing lights must be installed on the sweeper, mounted at the rear of the unit. Answer: See Revision# 6 in this Addendum. 3. Question: Section Hydrostatic Drive: ltem B: Current: The drive system must consist of hydrostatic variable displacement piston pumps and separate variable displacement wheel motors equipped with pressure override relief valves. Wheel motors must have protective shields. a. Request: Remove protective shields. 2 Answer: See Reviston#7 in this Addendum. 4. Question: Section Brakes: ltem C: Current: Brake lines must be stainless steel. a. Request: Brake lines must be rubber hose. Stainless steel is not recommended in this application due to its brittle nature. Answer: See Revision# 8 in this Addendum. 5. Question: Section Cab: ltem E: Current: The cab must be equipped with I front window on each side that will open. Page 9

10 a. Request: Non opening windows Answer: No change, must have a vent window that opens. 6. Question: Section Cab: ltem l: Current: Dual 18" diameter (approx.) steering wheels. a. Request: Dual 16" diameter (approx.) steering wheels Answer: See Revision# 9 in this Addendum. 7. Question: Section Conveyor: ltem C: Current: To provide proper clearance, the lower portion of the conveyor must be capable of raising 9" while sweeping. a. Request: To provide proper clearance, the lower portion of the conveyor must be capable of raising 9", excluding the chevron cleats, while sweeping. Answer: No change needed, Measurement is from the conveyor only, nothing specified about the chevron cleats. This will meet the specification. 8. Question: Section Water Spray System: ltem F: Current: The system plumbing must incorporate a fill port, a drain valve and a "Y" type fitting to allow drain water to be diverted prior to the pump. A petcock fitting must be installed at the lowest point of the water spray system. a. Reqgest: A petcock fitting must be installed at the lowest point of the water spray system. Answer: The petcock drain valve would meet the specification. No change needed. 9. Question: Section Water Spray System: ltem G: Current: The water spray system must utilize a twin diaphragm pump with run dry capability. The pump must be rated at a minimum 5 GPM at 40 PSl. a. Request: The water spray system must utilize a diaphragm pump with run dry capability. The pump must be rated at a minimum 5 GPM at 40 PSl, Answer: See Revision# l0 in this Addendum. Page 10

11 l0.question: Section Painting / Rustproofing: ltem A: Current: All metal surfaces must be shot-blasted prior to painting to ensure removal of any/all surface rust, welding slag, soot, dirt, grease and wax. a. Request: All metal surfaces must be shot-blasted or e-coated prior to painting to ensure removal of any/all surface rust, welding slag, soot, dirt, grease and wax. Answer: E-coating is similar to powder coating and is a metal finishing process. Shot-blasted prior to painting must be done before finishing coats. No change. ll.question: Section Painting / Rustproofing: ltem B: Current: All metal surfaces of cab and chassis must be primed with sufficient coats of DuPont# light gray "non-sanding" spray primer. a. Request: All metal surfaces of cab and chassis must be primed with sutficient coats of DuPont# light gray "non-sanding" spray primer, or zinc rich primer. Answer: See Revision# 11 in this Addendum. l2.question: Section 6.14 Bid Line#2: Compressed Natural Gas Engine: ltem B Current: CNG engine must produce 195 RPM. a. Request: CNG engine must produce RPM Answer: See Revision# 12 in this Addendum l3.question: Section Overall Design - Chassis: ltem C: Current: Bumperto back of cab (BBC) must be a maximum of 90", after allowance for vertical exhaust. a. Request: Bumper to back of cab (BBC) must be a maximum of 90", before allowance for vertical exhaust. Cab shall be a cab-over-engine (COE) type for enhanced visibility and turning radius. Answer: See Revision# l3 in this Addendum. 14. Question: Section Overall Design - must be a Maximum of 146". Chassis: ltem D: Current: Wheelbase a. Request: Wheelbase must be a maximum of 136" Page l1

12 Answer: See Revision# 14 in this Addendum. ls.question: Section Frame: ltem D: Current: Extra heavy duty steel tow hooks (Cleveland Hardware and Forging Company Model 2801-A) must be mounted to the chassis frame rails (front) in accessible locations. a. Request: Delete , tem D. Duplicate of , ltem K Answer: See Revision# 15 in this Addendum. 'l6.question: Section Cooling System: ltem E: Current: System must be equipped with a by-pass thermostat that is rated per the manufacturer's specifications. a. Request: Delete ,1tem E Answer: See Revision# 17 in this Addendum. 17. Question: Section Exhaust System: ltem B: Current: The vehicle must be equipped with a horizontal muffler and a verticalexhaust stack, and may be located on either the left or right-hand side. Stack must be equipped with a 90" elbow. a. Request: The vehicle must be equipped with a single module verticalexhaust and after-treatment system located on the left-hand side. Stack must be equipped with a rain cap and resonator". Answer: See Revision# 18 in this Addendum. ls.question: Section Fuel System: ltem A: Current: The hopper must be constructed of welded steel plate. a. Request: The hopper must be constructed of welded steel plate. The interior of the hopper must be coated with "Life Liner" epoxy liner to maximize corrosion resistance. Answer: No change. 19. Question: Section Lighting /Alarms: ltem H: Current: The vehicle must be equipped with a 36" LED roof mounted amber beacon light. Beacon must be installed on a stainless steel gutter-mount roof bar. (Mounting method and location are subject to approval by 2FM prior to installation). Page 12

13 a. Request: The vehicle must be equipped with a 36" LED roof mounted amber beacon light. Beacon must be installed on a stainless steel or aluminum gutter-mount roof bar. (Mounting method and location are subject to approval by 2FM prior to installation). Answer: See Revision# l9 in this Addendum. 20. Question: Section ,9 Transmission: ltem C: Current: An external transmission oilfilter must be plumbed "downstream" of the transmission oilcooler, and mounted in a readily accessible location. a Request: The transmission must be equipped with 2 internal oil filters. Answer: See Revision# 20 in this Addendum. 21. Question: Section Axles: ltem A: Current: Front axle must be 10,000 lbs minimum rated capacity. Axle must be equipped with oil hubs, with transparent caps. a. Request: Front axle must be 10,000 lbs minimum rated capacity. Axle must be equipped with oil hubs. Answer: See Reviston# 21 in this Addendum. 22.Question Section Steering / Suspension: ltem D: Current: Rear suspension must be either an air bag or rubber type; fully sprung during transport, and solid during sweeping. a. Request: Rear suspension must be either an air bag or rubber type; fully sprung during transport, and solid during dumping. Answer: See Revision# 22 in this Addendum 23. Question: Section Cab: Current: The cab must be metal construction with tinted safety glass throughout, and constructed as described below and equipped with the following instrumentation and accessories. a. Request: The cab must be steel construction with tinted safety glass throughout, and constructed as described below and equipped with the following instrumentation and accessories. Answer: See Revision# 23 in this Addendum. Page 13

14 24. Question: Section Cab: ltem D: Current: Two individual operator's seats. Seats must be air suspension type, with heavy duty upholstery, high backrests and foam cushions, and without armrests. Three point seat belts must be provided for each seat. a. Request: Current: Two individual operator's seats. Seats must be air suspension type, with heavy duty upholstery, high backrests and foam cushions, and armrests. Three point seat belts must be provided for each seat. Answer: See Revision#24 in this Addendum. 25. Question: Section Cab: ltem l: Current: Outside rear view mirrors, West Coast 6-112" x 16" retractable extension arm type, right and left, hinge mounted with heavy-duty bracing; adjustable right, left, fore and aft; separate 8" diameter convex mirrors; all stainless steel or anodized. To maximize operator visibility of the curb and sweeping gear, a. Request: Outside rear view mirrors shall west coast retractable extension arm type, right and left, hinge mounted with heavy-duty bracing; adjustable right, left, fore and aft; west coast mirrors shall be consist of a two-piece mirror assembly in each side, with black poly outer housings. The upper mirrorshallmeasure a minimum of 7" x14.5" and lowermirrorshallmeasure a minimum of 6" x 8". An 8" convex mirror shall be mounted below the two piece west coast mirrors on each side. See Appendix 3 for images of the mirror configuration described above. 5 Answer: See Revision# 25 in this Addendum. 26.Question: Section6.2l.3.lTWaterSpraySystem: ltem D: Current: Rearspraybars must be constructed of non-ferrous components to prevent contamination and should be removable without the use of tools. a. Request: Main broom spray nozzles must be constructed of non-ferrous components to prevent contamination and should be removable without the use of tools. Answer: See Revision# 28 in this Addendum. 2T.Question: Section 6.21,3.17 Water Spray System: ltem H: Current: The system plumbing must incorporate a fill port, a drain valve and a "Y" type fitting to allow drain water to be diverted prior to the pump. Page 14

15 a. Request: The system plumbing must incorporate a fill port and a drain valve, and allow drain water to be diverted prior to the pump. Answer: See Revision# 29 in this Addendum. 23.Question: Section Main Broom: ltem H: Current: To provide flexibility for varying sweeping conditions, main broom speed must be variable by operatorfrom cab while moving. a. Request: To provide flexibility for varying sweeping conditions, main broom speed must be matched to conveyor speed for optimal collection and conveyance of debris. Answer: No change. 2g.Question: Section Hopper: ltem E: Current: Lift capacity must be not less than 12,000 lbs. a. Request: Lift capacity must be not less than 11,000 lbs Answer: See Revision# 31 in this Addendum. 30.Question: Section Hopper: ltem F: Current: Hopper must dump at varying heights ranging from 36 inches through a height of 127 inches as measured at the lowest point under the open hopper chute. a. Request: Current: Hopper must dump at varying heights ranging from 36 inches through a height of 127 inches as measured at the lowest point under the open hopper chute. Hopper shall have a minimum 11" side shift for maximum dumping efficiency. Minimum clearance between sweeper and container in which debris is being dumped into shall be a minimum of 28". Answer: No change, meets specification. 31. Question: Overall Design - Chassis: ltem C: Specification states: Bumper to bumper of cab (BBC) must be a maximum of 90", after allowance for vertical exhaust. a. Chanqe request: Per the chassis manufacturer we request this line item be changed to: Bumper to bumper of cab (BBC) must be a maximum of 104", after allowance for vertical exhaust. Answer: See Revision# 13 in this Addendum. Page 15

16 32. Question: Cooling System: ltem D: Specification states: Premium radiator and heater hoses must be furnished. Hose clamps must be reusable type. a. Change request: Per the Chassis manufacturer we request this line item be changed to: Premium or silicone radiator and heater hoses. Hose clamps must be reusable type. Answer: See Revision# 16 in this Addendum. 33, Question: Exhaust System: ltem B. Specification states: The vehicle must be equipped with a horizontal mutfler and a vertical exhaust stack, and may be located on either the left or right-hard side. Stack muffler must be equipped with a 90 elbow. a. Change request: Per the Chassis manufacturer we request this line item be changed to: The vehicle must be equipped with a horizontal muffler and a vertical exhaust stack or vertical one piece DPF, SCR and DEF System. Either design is acceptable. Answer: See Revision# 18 in this Addendum. 34.Question: Transmission: ltem C. Specification states: An external Transmission oilfilter must be plumbed "downstream" of the transmission oilcooler, and mounted in a readily accessible location. a. Chanqe request: Per chassis manufacturer, externaltransmission filter is not available. Therefore, we ask that this line item be removed from the specification. Answer: See Revision# 20 in this Addendum. 35. Question: Axles: ltem A. Specification states: Front Axle must be 10,000 lbs minimum capacity. Axle must be equipped with oil hubs, with transparent caps. a Chanqe request: Per chassis manufacturer, tra nsparent caps are not available. Therefore, we ask that transparent caps be removed from the specification. Answer: See Revision# 21 in this Addendum. Page ló

17 36.Question: Steering/Suspension: ltem D. Specification states: Rear suspension must be either an air bag or rubber type; fully sprung during transport, and solid during sweeping. a. Change request: Per the manufacturer they utilize a live air suspension during sweeping and transport. This makes for a much smoother ride forthe operator. The air suspension automatically deflates when the dump switch is activated and also re-inflated upon the hopper being returned to storage/sweeping position. We request this line item be changed to: Rear suspension must be either an air bag or rubber type; fully sprung during transport, and solid during dumping". Answer: See Revision#22 in this Addendum. 37. Question: Cab: ltem D. Specification states: Two individual operator's seats. Seats must be air suspension type, with heavy duty upholstery high backrests and foam cushions, and without armrest. Three point seat belts must be provided for each seat. a. Chanqe request: Per the chassís manufacturer, the seats comes standard with an arm rest toward center of cab on each seat. We request this line item to be changed to: Two individual operator's seats. Seats must be air suspension type, with heavy duty upholstery high backrests and foam cushions, with or without armrest. Three point seat belts must be provided for each seat. Answer: See Revision# 24 in this Addendum. 33.Question: Cab: ltem l. Specification states: Outside rear view mirrors, West Coast 6- f2" x 16" retractable extension arm type, right and left, hinge mounted with heavy-duty bracing; adjustable right, left, fore and aft; separate 8" diameter convex mirrors; all stainless steel or anodized. To maximize operator visibility of the curb and sweeping gear; a. Chanq e reouest: Per the manufacturer the 8" diameter parabolic mirrors are constructed of black carbonate. We request this line item to be change to: Outside rear view mirrors, West Coast 6-.f2" x 16" retractable extension arm type, right and left, hinge mounted with heavy-duty bracing; adjustable right, left, fore and aft; separate 8" diameter convex mirrors, stainless steel, anodized or black carbonate mirrors to be acceptable. To maximize operator visibility of the curb and sweeping gear; Answer: See Revision# 25 in this Addendum. Page 17

18 39. Question: Section Cab: ltem M. Specification states: Steel traction type access steps installed below each door. a. Chanqe request: We request the word "steel" be changed to "metal". We request line item to be change to: metal traction type access steps installed below each door. Answer: See Revision# 26 in this Addendum. 40.Question: Section Main Broom: ltem J. Specification states: Main broom must be shielded by a broom hood. Plastic hoods are not acceptable. a. Chanqe request: Perthe manufacturerthey utilize a plastic broom hood. We request the words "Plastic hoods are not acceptable" be removed from the specification. We request this line item be changed to: Main broom must be shielded by a broom hood. Answer: See Revision# 30 in this Addendum. 41. Question: Section Painting/Rustproofing,: ltem A. Specification states: All metal surfaces must be shot-blasted prior to painting to ensure removal of any/all surface rust, welding slag, soot, dirt, grease and wax a. Chanq e reouest: Per the manufacturer they hand sand each unit. We request this line item be changed to: All metal surfaces must be shot-blasted or hand sanded prior to painting to ensure removal of any/all surface rust, welding slag, soot, dirt, grease and wax. Answer: See Revision# 32 in this Addendum 42.Question: Section Cab: Specification states: The cab must be metal construction with tinted safety glass throughout, and constructed as described below and equipped with the following instrumentation and accessories: a. Change request: Per the Conventional chassis manufacturer they would need this line item changed to: The cab must be metal construction with tinted safety glass throughout, and constructed as described below and equipped with the following instrumentation and accessories. lf applicable fiberglass tilting hood to provide access to the engine. Answer: See Revision# 23 in this Addendum Page 18

19 43, Question: Section Cab: ltem V. Specification states: Cab must be cabover style, with the cab folding fonrvard to provide access to the chassis a. Change request: Per the conventional chassis manufacturer, this line item to be changed to: Cab must be cab-over or Conventional style, with the cab or hood folding forward to provide access to the engine. Answer: See Revision# 27 in this Addendum. CITY OF CH CAGO - DEPARTMENT OF PROCUREMENT SERVICES JAMIE L. RHEE CHIEF PROCUREMENT OFF CER Page 19

20 DEPARTMENT OF PROCUREMENT SERVICES - CITY OF CHICAGO April 11,2018 Addendum No.3 SPEC F CAT ON NO FOR City of Chicago Department of Fleet and Facility Management Required by: CITY OF CHICAGO Department of Finance Consisting of Sections l, ll, and lll including this Acknowledgment. SECTION III. ADDENDUM RECEIPT ACKNOWLEDGMENT I hereby acknowledge receipt of Addendum No. 3 to the Specification named above and further state that I am authorized to execute this Acknowledgment on behalf of the company listed below. Signature of Authorized lndividual Title Name of Authorized lndividual (Type or Print) Company Name Business Telephone Number Complete and Return this Acknowledgment by to: H u m berto. Mova@c itvofch icaqo.orq Attn: Humberto Moya, Procurement Specialist Page 20